Fixed mouse clicks in Modifier Settings sometimes being in the wrong place.

Fixed typing in multiple text fields at once.

build.gradle

@@ -11,7 +11,7 @@ apply plugin: 'net.minecraftforge.gradle.forge'
 //Only edit below this line, the above code adds and enables the necessary things for Forge to be setup.
 
 
-version = "0.1.3"
+version = "1.0.3"
 group = "nl.requios.effortlessbuilding" // http://maven.apache.org/guides/mini/guide-naming-conventions.html
 archivesBaseName = "effortlessbuilding"
 
@@ -21,7 +21,7 @@ compileJava {
 }
 
 minecraft {
-    version = "1.12.2-14.23.4.2705"
+    version = "1.12.2-14.23.5.2768"
     runDir = "run"
     
     // the mappings can be changed at any time, and must be in the following format.
@@ -29,7 +29,7 @@ minecraft {
     // stable_#            stables are built at the discretion of the MCP team.
     // Use non-default mappings at your own risk. they may not always work.
     // simply re-run your setup task after changing the mappings to update your workspace.
-    mappings = "snapshot_20171003"
+    mappings = "stable_39"
     // makeObfSourceJar = false // an Srg named sources jar is made by default. uncomment this to disable.
 }
 

src/main/java/nl/requios/effortlessbuilding/Array.java

@@ -1,28 +1,27 @@
 package nl.requios.effortlessbuilding;
 
-import net.minecraft.block.Block;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.EnumHand;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Vec3d;
 import net.minecraft.util.math.Vec3i;
-import net.minecraft.world.World;
-import net.minecraftforge.event.world.BlockEvent;
 import net.minecraftforge.items.IItemHandler;
 import nl.requios.effortlessbuilding.item.ItemRandomizerBag;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class Array {
-    //TODO config file
-    public static final int MAX_COUNT = 100;
 
     public static class ArraySettings{
         public boolean enabled = false;
         public BlockPos offset = BlockPos.ORIGIN;
         public int count = 5;
 
-        public ArraySettings(){
+        public ArraySettings() {
         }
 
         public ArraySettings(boolean enabled, BlockPos offset, int count) {
@@ -30,84 +29,75 @@ public class Array {
             this.offset = offset;
             this.count = count;
         }
+
+        public int getReach() {
+            //find largest offset
+            int x = Math.abs(offset.getX());
+            int y = Math.abs(offset.getY());
+            int z = Math.abs(offset.getZ());
+            int largestOffset = Math.max(Math.max(x, y), z);
+
+            return largestOffset * count;
+        }
     }
 
-    //Called from EventHandler
+    public static List<BlockPos> findCoordinates(EntityPlayer player, BlockPos startPos) {
-    public static void onBlockPlaced(BlockEvent.PlaceEvent event) {
+        List<BlockPos> coordinates = new ArrayList<>();
-        if (event.getWorld().isRemote) return;
+
+        //find arraysettings for the player
+        ArraySettings a = BuildSettingsManager.getBuildSettings(player).getArraySettings();
+        if (!isEnabled(a)) return coordinates;
+
+        BlockPos pos = startPos;
+        Vec3i offset = new Vec3i(a.offset.getX(), a.offset.getY(), a.offset.getZ());
+
+        for (int i = 0; i < a.count; i++) {
+            pos = pos.add(offset);
+            coordinates.add(pos);
+        }
+
+        return coordinates;
+    }
+
+    public static List<IBlockState> findBlockStates(EntityPlayer player, BlockPos startPos, IBlockState blockState, ItemStack itemStack, List<ItemStack> itemStacks) {
+        List<IBlockState> blockStates = new ArrayList<>();
 
         //find arraysettings for the player that placed the block
-        ArraySettings a = BuildSettingsManager.getBuildSettings(event.getPlayer()).getArraySettings();
+        ArraySettings a = BuildSettingsManager.getBuildSettings(player).getArraySettings();
-        if (a == null || !a.enabled) return;
+        if (!isEnabled(a)) return blockStates;
 
-        if (a.offset.getX() == 0 && a.offset.getY() == 0 && a.offset.getZ() == 0) return;
+        BlockPos pos = startPos;
-
-        BlockPos pos = event.getPos();
         Vec3i offset = new Vec3i(a.offset.getX(), a.offset.getY(), a.offset.getZ());
 
         //Randomizer bag synergy
         IItemHandler bagInventory = null;
-        if (event.getPlayer().getHeldItemMainhand().getItem() instanceof ItemRandomizerBag) {
+        if (!itemStack.isEmpty() && itemStack.getItem() instanceof ItemRandomizerBag) {
-            bagInventory = ItemRandomizerBag.getBagInventory(event.getPlayer().getHeldItemMainhand());
+            bagInventory = ItemRandomizerBag.getBagInventory(itemStack);
         }
 
-        //Get itemstack
-        ItemStack itemStack = event.getPlayer().getHeldItem(event.getHand());
-
         for (int i = 0; i < a.count; i++) {
             pos = pos.add(offset);
-            if (event.getWorld().isBlockLoaded(pos, true)) {
-                if (itemStack.isEmpty()) break;
 
-                //Check if held block = placed block (otherwise its a bag or wand)
+            //Randomizer bag synergy
-                if (!event.getPlayer().isCreative() && Block.getBlockFromItem(itemStack.getItem()) == event.getPlacedBlock().getBlock()) {
+            if (bagInventory != null) {
-                    itemStack.shrink(1);
+                itemStack = ItemRandomizerBag.pickRandomStack(bagInventory);
-                }
+                blockState = BuildModifiers.getBlockStateFromItem(itemStack, player, startPos, EnumFacing.UP, new Vec3d(0, 0, 0), EnumHand.MAIN_HAND);
-
-                //Randomizer bag synergy
-                IBlockState blockState = bagInventory == null ? event.getPlacedBlock() :
-                        getBlockStateFromRandomizerBag(bagInventory, event.getWorld(), event.getPlayer(), event.getPos());
-
-                //TODO check if can place (ItemBlock) and if can break replaced
-
-                //Drop existing block
-                SurvivalHelper.dropBlock(event.getWorld(), pos, event.getPlayer());
-
-                event.getWorld().setBlockState(pos, blockState);
             }
+
+            //blockState = blockState.getBlock().getStateForPlacement(player.world, pos, )
+            blockStates.add(blockState);
+            itemStacks.add(itemStack);
         }
-        //EffortlessBuilding.log(event.getPlayer(), String.valueOf(event.getPlayer().getHeldItem(event.getHand()).getCount()));
+
+        return blockStates;
     }
 
-    private static IBlockState getBlockStateFromRandomizerBag(IItemHandler bagInventory, World world, EntityPlayer player, BlockPos pos) {
+    public static boolean isEnabled(ArraySettings a) {
-        int randomSlot = ItemRandomizerBag.pickRandomSlot(bagInventory);
+        if (a == null || !a.enabled) return false;
-        ItemStack stack = bagInventory.getStackInSlot(randomSlot);
+
-        //TODO get facing from getPlacedAgainst and getPlacedBlock
+        if (a.offset.getX() == 0 && a.offset.getY() == 0 && a.offset.getZ() == 0) return false;
-        return Block.getBlockFromItem(stack.getItem()).getStateForPlacement(world, pos, EnumFacing.NORTH, 0, 0, 0, stack.getMetadata(), player, EnumHand.MAIN_HAND);
+
+        return true;
     }
 
-    //Called from EventHandler
-    public static void onBlockBroken(BlockEvent.BreakEvent event) {
-        if (event.getWorld().isRemote) return;
-
-        //find arraysettings for the player that placed the block
-        ArraySettings a = BuildSettingsManager.getBuildSettings(event.getPlayer()).getArraySettings();
-        if (a == null || !a.enabled) return;
-
-        if (a.offset.getX() == 0 && a.offset.getY() == 0 && a.offset.getZ() == 0) return;
-
-        BlockPos pos = event.getPos();
-        Vec3i offset = new Vec3i(a.offset.getX(), a.offset.getY(), a.offset.getZ());
-        for (int i = 0; i < a.count; i++) {
-            pos = pos.add(offset);
-            if (event.getWorld().isBlockLoaded(pos, false)) {
-                //TODO check if can break
-
-                //Drop existing block
-                SurvivalHelper.dropBlock(event.getWorld(), pos, event.getPlayer());
-
-                event.getWorld().setBlockToAir(pos);
-            }
-        }
-    }
 }

src/main/java/nl/requios/effortlessbuilding/BuildConfig.java

@@ -0,0 +1,62 @@
+package nl.requios.effortlessbuilding;
+
+import net.minecraftforge.common.config.Config;
+
+import static net.minecraftforge.common.config.Config.*;
+
+@Config(modid = EffortlessBuilding.MODID, name = "EffortlessBuilding", type = Type.INSTANCE, category = "")
+public class BuildConfig {
+
+    public static Reach reach = new Reach();
+    public static SurvivalBalancers survivalBalancers = new SurvivalBalancers();
+    public static Visuals visuals = new Visuals();
+
+    public static class Reach {
+        @Comment({"Reach: how far away the player can place blocks using mirror/array etc.",
+                 "Enable the crafting of reach upgrades to increase reach.",
+                 "If disabled, reach is set to level 3 for survival players."})
+        public boolean enableReachUpgrades = true;
+
+        @Comment({"Maximum reach in creative",
+                 "Keep in mind that chunks need to be loaded to be able to place blocks inside."})
+        public int maxReachCreative = 200;
+
+        @Comment({"Maximum reach in survival without upgrades",
+                 "Reach upgrades are craftable consumables that permanently increase reach.",
+                 "Set to 0 to disable Effortless Building until the player has consumed a reach upgrade."})
+        public int maxReachLevel0 = 20;
+
+        @Comment("Maximum reach in survival with one upgrade")
+        public int maxReachLevel1 = 50;
+
+        @Comment("Maximum reach in survival with two upgrades")
+        public int maxReachLevel2 = 100;
+
+        @Comment("Maximum reach in survival with three upgrades")
+        public int maxReachLevel3 = 200;
+    }
+
+    public static class SurvivalBalancers {
+        @Comment({"Allows a survival player to break blocks that are far away, in addition to placing blocks.",
+                 "Note: this allows insta-breaking of blocks in survival."})
+        public boolean breakFar = false;
+
+        @Comment({"Increases the time to mine a block when breaking multiple at once.",
+                 "Mining time depends on how many blocks, what type of blocks, and the percentage below.",
+                 "Example: breaking 1 dirt + 1 obsidian takes the time of breaking 1 dirt + 1 obsidian."})
+        public boolean increasedMiningTime = true;
+
+        @Comment({"How much the mining time of each additional block counts towards an increased mining time.",
+                 "A percentage between 0% and 100%, where 0% is the same as disabling it,",
+                 "and 100% takes as much time as breaking each block individually.",
+                 "The block in front of you always counts as 100%."})
+        @RangeInt(min = 0, max = 100)
+        public int miningTimePercentage = 50;
+    }
+
+    public static class Visuals {
+        @Comment({"Show a block preview if you have a block in hand,",
+                 "even when mirror and array are off."})
+        public boolean alwaysShowBlockPreview = false;
+    }
+}

src/main/java/nl/requios/effortlessbuilding/BuildModifiers.java

@@ -0,0 +1,216 @@
+package nl.requios.effortlessbuilding;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.entity.player.EntityPlayerMP;
+import net.minecraft.item.ItemBlock;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.EnumHand;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.world.World;
+import net.minecraftforge.event.world.BlockEvent;
+import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.helper.SurvivalHelper;
+import nl.requios.effortlessbuilding.item.ItemRandomizerBag;
+import nl.requios.effortlessbuilding.network.BlockBrokenMessage;
+import nl.requios.effortlessbuilding.network.BlockPlacedMessage;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class BuildModifiers {
+
+    //Uses a network message to get the previous raytraceresult from the player
+    //The server could keep track of all raytraceresults but this might lag with many players
+    //Raytraceresult is needed for sideHit and hitVec
+    public static void onBlockPlacedMessage(EntityPlayer player, BlockPlacedMessage message) {
+        if (!message.isBlockHit() || message.getBlockPos() == null) return;
+
+        World world = player.world;
+        ItemRandomizerBag.renewRandomness();
+
+        BlockPos startPos = message.getBlockPos();
+
+        //Offset in direction of sidehit if not quickreplace and not replaceable
+        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(player);
+        boolean replaceable = world.getBlockState(startPos).getBlock().isReplaceable(player.world, startPos);
+        if (!buildSettings.doQuickReplace() && !replaceable) {
+            startPos = startPos.offset(message.getSideHit());
+        }
+
+        //Get under tall grass and other replaceable blocks
+        if (buildSettings.doQuickReplace() && replaceable) {
+            startPos = startPos.down();
+        }
+
+        //Check if player reach does not exceed startpos
+        int maxReach = ReachHelper.getMaxReach(player);
+        if (player.getPosition().distanceSq(startPos) > maxReach * maxReach) {
+            EffortlessBuilding.log(player, "Placement exceeds your reach.");
+            return;
+        }
+
+        //Format hitvec to 0.x
+        Vec3d hitVec = message.getHitVec();
+        hitVec = new Vec3d(Math.abs(hitVec.x - ((int) hitVec.x)), Math.abs(hitVec.y - ((int) hitVec.y)), Math.abs(hitVec.z - ((int) hitVec.z)));
+
+        //find coordinates and blockstates
+        List<BlockPos> coordinates = findCoordinates(player, startPos);
+        List<ItemStack> itemStacks = new ArrayList<>();
+        List<IBlockState> blockStates = findBlockStates(player, startPos, hitVec, message.getSideHit(), itemStacks);
+
+        //check if valid blockstates
+        if (blockStates.size() == 0 || coordinates.size() != blockStates.size()) return;
+
+        //place blocks
+        for (int i = 0; i < coordinates.size(); i++) {
+            BlockPos blockPos = coordinates.get(i);
+            IBlockState blockState = blockStates.get(i);
+            ItemStack itemStack = itemStacks.get(i);
+
+            if (world.isBlockLoaded(blockPos, true)) {
+                //check itemstack empty
+                if (itemStack.isEmpty()) continue;
+                SurvivalHelper.placeBlock(world, player, blockPos, blockState, itemStack, EnumFacing.UP, hitVec, false, false);
+            }
+        }
+    }
+
+    public static void onBlockPlaced(BlockEvent.PlaceEvent event) {
+        if (event.getWorld().isRemote) return;
+
+        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(event.getPlayer());
+        //Only use own place event if anything is enabled
+        if (isEnabled(buildSettings, event.getPos())) {
+            //EffortlessBuilding.packetHandler.sendTo(new BlockPlacedMessage(), (EntityPlayerMP) event.getPlayer());
+            event.setCanceled(true);
+        }
+
+    }
+
+    //Use a network message to break blocks in the distance using clientside mouse input
+    public static void onBlockBrokenMessage(EntityPlayer player, BlockBrokenMessage message) {
+        BlockPos blockPos = message.getBlockPos();
+        if (ReachHelper.canBreakFar(player) && message.isBlockHit()) {
+            BlockEvent.BreakEvent event = new BlockEvent.BreakEvent(player.world, blockPos, player.world.getBlockState(blockPos), player);
+            onBlockBroken(event);
+        }
+    }
+
+    public static void onBlockBroken(BlockEvent.BreakEvent event) {
+        World world = event.getWorld();
+        BlockPos pos = event.getPos();
+
+        if (world.isRemote) return;
+
+        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(event.getPlayer());
+        //Only use own break event if anything is enabled
+        if (isEnabled(buildSettings, pos)) {
+            //get coordinates
+            List<BlockPos> coordinates = findCoordinates(event.getPlayer(), pos);
+
+            //If the player is going to instabreak grass or a plant, only break other instabreaking things
+            boolean onlyInstaBreaking = world.getBlockState(pos).getBlockHardness(
+                    world, pos) == 0f;
+
+            //break all those blocks
+            for (BlockPos coordinate : coordinates) {
+                if (world.isBlockLoaded(coordinate, false)) {
+                    if (!onlyInstaBreaking || world.getBlockState(coordinate).getBlockHardness(world, coordinate) == 0f) {
+                        SurvivalHelper.breakBlock(world, event.getPlayer(), coordinate);
+                    }
+                }
+            }
+        }
+    }
+
+    public static List<BlockPos> findCoordinates(EntityPlayer player, BlockPos startPos) {
+        List<BlockPos> coordinates = new ArrayList<>();
+        //Add current block being placed too
+        coordinates.add(startPos);
+
+        List<BlockPos> arrayCoordinates = Array.findCoordinates(player, startPos);
+        coordinates.addAll(arrayCoordinates);
+        coordinates.addAll(Mirror.findCoordinates(player, startPos));
+        coordinates.addAll(RadialMirror.findCoordinates(player, startPos));
+        //get mirror for each array coordinate
+        for (BlockPos coordinate : arrayCoordinates) {
+            coordinates.addAll(Mirror.findCoordinates(player, coordinate));
+            coordinates.addAll(RadialMirror.findCoordinates(player, coordinate));
+        }
+
+        return coordinates;
+    }
+
+    public static List<IBlockState> findBlockStates(EntityPlayer player, BlockPos startPos, Vec3d hitVec, EnumFacing facing, List<ItemStack> itemStacks) {
+        List<IBlockState> blockStates = new ArrayList<>();
+        itemStacks.clear();
+
+        //Get itemstack
+        ItemStack itemStack = player.getHeldItem(EnumHand.MAIN_HAND);
+        if (itemStack.isEmpty() || !(itemStack.getItem() instanceof ItemBlock || itemStack.getItem() instanceof ItemRandomizerBag)) {
+            itemStack = player.getHeldItem(EnumHand.OFF_HAND);
+        }
+        if (itemStack.isEmpty() || !(itemStack.getItem() instanceof ItemBlock || itemStack.getItem() instanceof ItemRandomizerBag)) {
+            return blockStates;
+        }
+
+        //Get ItemBlock stack
+        ItemStack itemBlock = ItemStack.EMPTY;
+        if (itemStack.getItem() instanceof ItemBlock) itemBlock = itemStack;
+        ItemRandomizerBag.resetRandomness();
+        if (itemStack.getItem() instanceof ItemRandomizerBag) itemBlock = ItemRandomizerBag.pickRandomStack(ItemRandomizerBag.getBagInventory(itemStack));
+
+        IBlockState blockState = getBlockStateFromItem(itemBlock, player, startPos, facing, hitVec, EnumHand.MAIN_HAND);
+        //Add current block being placed too
+        blockStates.add(blockState);
+        itemStacks.add(itemStack);
+
+        List<IBlockState> arrayBlockStates = Array.findBlockStates(player, startPos, blockState, itemStack, itemStacks);
+        blockStates.addAll(arrayBlockStates);
+        blockStates.addAll(Mirror.findBlockStates(player, startPos, blockState, itemStack, itemStacks));
+        blockStates.addAll(RadialMirror.findBlockStates(player, startPos, blockState, itemStack, itemStacks));
+        //add mirror for each array coordinate
+        List<BlockPos> arrayCoordinates = Array.findCoordinates(player, startPos);
+        for (int i = 0; i < arrayCoordinates.size(); i++) {
+            BlockPos coordinate = arrayCoordinates.get(i);
+            IBlockState blockState1 = arrayBlockStates.get(i);
+            blockStates.addAll(Mirror.findBlockStates(player, coordinate, blockState1, itemStack, itemStacks));
+            blockStates.addAll(RadialMirror.findBlockStates(player, coordinate, blockState1, itemStack, itemStacks));
+        }
+
+        //Adjust blockstates for torches and ladders etc to place on a valid side
+        //TODO optimize findCoordinates (done twice now)
+        //TODO fix mirror
+//        List<BlockPos> coordinates = findCoordinates(player, startPos);
+//        for (int i = 0; i < blockStates.size(); i++) {
+//            blockStates.set(i, blockStates.get(i).getBlock().getStateForPlacement(player.world, coordinates.get(i), facing,
+//                    (float) hitVec.x, (float) hitVec.y, (float) hitVec.z, itemStacks.get(i).getMetadata(), player, EnumHand.MAIN_HAND));
+//        }
+
+        return blockStates;
+    }
+
+    public static boolean isEnabled(BuildSettingsManager.BuildSettings buildSettings, BlockPos startPos) {
+        return Mirror.isEnabled(buildSettings.getMirrorSettings(), startPos) ||
+               Array.isEnabled(buildSettings.getArraySettings()) ||
+               RadialMirror.isEnabled(buildSettings.getRadialMirrorSettings(), startPos) ||
+               buildSettings.doQuickReplace();
+    }
+
+    public static IBlockState getBlockStateFromItem(ItemStack itemStack, EntityPlayer player, BlockPos blockPos, EnumFacing facing, Vec3d hitVec, EnumHand hand) {
+        return Block.getBlockFromItem(itemStack.getItem()).getStateForPlacement(player.world, blockPos, facing,
+                ((float) hitVec.x), ((float) hitVec.y), ((float) hitVec.z), itemStack.getMetadata(), player, hand);
+    }
+
+    //Returns true if equal (or both null)
+    public static boolean compareCoordinates(List<BlockPos> coordinates1, List<BlockPos> coordinates2) {
+        if (coordinates1 == null && coordinates2 == null) return true;
+        if (coordinates1 == null || coordinates2 == null) return false;
+
+        return coordinates1.equals(coordinates2);
+    }
+}

src/main/java/nl/requios/effortlessbuilding/BuildSettingsManager.java

@@ -5,66 +5,147 @@ import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
 import net.minecraftforge.fml.common.gameevent.PlayerEvent;
-import nl.requios.effortlessbuilding.capability.BuildModifierCapability;
+import nl.requios.effortlessbuilding.capability.BuildModifierCapabilityManager;
+import nl.requios.effortlessbuilding.helper.ReachHelper;
 import nl.requios.effortlessbuilding.network.BuildSettingsMessage;
 
 @Mod.EventBusSubscriber
 public class BuildSettingsManager {
 
+    //Retrieves the buildsettings of a player through the buildModifierCapability capability
+    //Never returns null
     public static BuildSettings getBuildSettings(EntityPlayer player){
-        if (player.hasCapability(BuildModifierCapability.buildModifier, null)) {
+        if (player.hasCapability(BuildModifierCapabilityManager.buildModifierCapability, null)) {
-            BuildModifierCapability.IBuildModifier capability = player.getCapability(BuildModifierCapability.buildModifier, null);
+            BuildModifierCapabilityManager.IBuildModifierCapability capability = player.getCapability(
+                    BuildModifierCapabilityManager.buildModifierCapability, null);
+            if (capability.getBuildModifierData() == null) {
+                capability.setBuildModifierData(new BuildSettings());
+            }
             return capability.getBuildModifierData();
         }
-        EffortlessBuilding.log("buildsettings is null");
+        throw new IllegalArgumentException("Player does not have buildModifierCapability capability");
-        return null;
     }
 
     public static void setBuildSettings(EntityPlayer player, BuildSettings buildSettings) {
         if (player == null) {
-            EffortlessBuilding.log("cannot set buildsettings, player is null");
+            EffortlessBuilding.log("Cannot set buildsettings, player is null");
             return;
         }
-        if (player.hasCapability(BuildModifierCapability.buildModifier, null)) {
+        if (player.hasCapability(BuildModifierCapabilityManager.buildModifierCapability, null)) {
-            BuildModifierCapability.IBuildModifier capability = player.getCapability(BuildModifierCapability.buildModifier, null);
+            BuildModifierCapabilityManager.IBuildModifierCapability capability = player.getCapability(
+                    BuildModifierCapabilityManager.buildModifierCapability, null);
             capability.setBuildModifierData(buildSettings);
         } else {
             EffortlessBuilding.log(player, "Saving buildsettings failed.");
         }
     }
 
+    public static String sanitize(BuildSettings buildSettings, EntityPlayer player) {
+        int maxReach = ReachHelper.getMaxReach(player);
+        String error = "";
+
+        //Mirror settings
+        Mirror.MirrorSettings m = buildSettings.getMirrorSettings();
+        if (m.radius < 1) {
+            m.radius = 1;
+            error += "Mirror size has to be at least 1. This has been corrected. ";
+        }
+        if (m.getReach() > maxReach) {
+            m.radius = maxReach / 2;
+            error += "Mirror exceeds your maximum reach of " + (maxReach / 2) + ". Radius has been set to "+ (maxReach / 2) + ". ";
+        }
+
+        //Array settings
+        Array.ArraySettings a = buildSettings.getArraySettings();
+        if (a.count < 0) {
+            a.count = 0;
+            error += "Array count may not be negative. It has been reset to 0.";
+        }
+
+        if (a.getReach() > maxReach) {
+            a.count = 0;
+            error += "Array exceeds your maximum reach of " + maxReach + ". Array count has been reset to 0. ";
+        }
+
+        //Radial mirror settings
+        RadialMirror.RadialMirrorSettings r = buildSettings.getRadialMirrorSettings();
+        if (r.slices < 2) {
+            r.slices = 2;
+            error += "Radial mirror needs to have at least 2 slices. Slices has been set to 2.";
+        }
+
+        if (r.radius < 1) {
+            r.radius = 1;
+            error += "Radial mirror radius has to be at least 1. This has been corrected. ";
+        }
+        if (r.getReach() > maxReach) {
+            r.radius = maxReach / 2;
+            error += "Radial mirror exceeds your maximum reach of " + (maxReach / 2) + ". Radius has been set to "+ (maxReach / 2) + ". ";
+        }
+
+        //Other
+        if (buildSettings.reachUpgrade < 0) {
+            buildSettings.reachUpgrade = 0;
+        }
+        if (buildSettings.reachUpgrade > 3) {
+            buildSettings.reachUpgrade = 3;
+        }
+
+        return error;
+    }
+
     public static class BuildSettings {
         private Mirror.MirrorSettings mirrorSettings;
         private Array.ArraySettings arraySettings;
+        private RadialMirror.RadialMirrorSettings radialMirrorSettings;
         private boolean quickReplace = false;
+        private int reachUpgrade = 0;
 
         public BuildSettings() {
             mirrorSettings = new Mirror.MirrorSettings();
             arraySettings = new Array.ArraySettings();
+            radialMirrorSettings = new RadialMirror.RadialMirrorSettings();
         }
 
-        public BuildSettings(Mirror.MirrorSettings mirrorSettings, Array.ArraySettings arraySettings, boolean quickReplace) {
+        public BuildSettings(Mirror.MirrorSettings mirrorSettings, Array.ArraySettings arraySettings,
+                             RadialMirror.RadialMirrorSettings radialMirrorSettings, boolean quickReplace, int reachUpgrade) {
             this.mirrorSettings = mirrorSettings;
             this.arraySettings = arraySettings;
+            this.radialMirrorSettings = radialMirrorSettings;
             this.quickReplace = quickReplace;
+            this.reachUpgrade = reachUpgrade;
         }
 
         public Mirror.MirrorSettings getMirrorSettings() {
-            return mirrorSettings;
+            if (this.mirrorSettings == null) this.mirrorSettings = new Mirror.MirrorSettings();
+            return this.mirrorSettings;
         }
 
         public void setMirrorSettings(Mirror.MirrorSettings mirrorSettings) {
+            if (mirrorSettings == null) return;
             this.mirrorSettings = mirrorSettings;
         }
 
         public Array.ArraySettings getArraySettings() {
-            return arraySettings;
+            if (this.arraySettings == null) this.arraySettings = new Array.ArraySettings();
+            return this.arraySettings;
         }
 
         public void setArraySettings(Array.ArraySettings arraySettings) {
+            if (arraySettings == null) return;
             this.arraySettings = arraySettings;
         }
 
+        public RadialMirror.RadialMirrorSettings getRadialMirrorSettings() {
+            if (this.radialMirrorSettings == null) this.radialMirrorSettings = new RadialMirror.RadialMirrorSettings();
+            return this.radialMirrorSettings;
+        }
+
+        public void setRadialMirrorSettings(RadialMirror.RadialMirrorSettings radialMirrorSettings) {
+            if (radialMirrorSettings == null) return;
+            this.radialMirrorSettings = radialMirrorSettings;
+        }
+
         public boolean doQuickReplace() {
             return quickReplace;
         }
@@ -72,6 +153,14 @@ public class BuildSettingsManager {
         public void setQuickReplace(boolean quickReplace) {
             this.quickReplace = quickReplace;
         }
+
+        public int getReachUpgrade() {
+            return reachUpgrade;
+        }
+
+        public void setReachUpgrade(int reachUpgrade) {
+            this.reachUpgrade = reachUpgrade;
+        }
     }
 
     @SubscribeEvent
@@ -86,6 +175,12 @@ public class BuildSettingsManager {
         handleNewPlayer(player);
     }
 
+    @SubscribeEvent
+    public static void onPlayerChangedDimension(PlayerEvent.PlayerChangedDimensionEvent event) {
+        EntityPlayer player = event.player;
+        handleNewPlayer(player);
+    }
+
     private static void handleNewPlayer(EntityPlayer player){
         if (getBuildSettings(player) == null) {
             setBuildSettings(player, new BuildSettings());

src/main/java/nl/requios/effortlessbuilding/EffortlessBuilding.java

@@ -5,6 +5,8 @@ import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.Item;
 import net.minecraft.util.text.TextComponentString;
 import net.minecraftforge.common.capabilities.CapabilityManager;
+import net.minecraftforge.common.config.Config;
+import net.minecraftforge.common.config.ConfigManager;
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.common.Mod.EventHandler;
 import net.minecraftforge.fml.common.SidedProxy;
@@ -15,11 +17,16 @@ import net.minecraftforge.fml.common.event.FMLServerStartingEvent;
 import net.minecraftforge.fml.common.network.NetworkRegistry;
 import net.minecraftforge.fml.common.network.simpleimpl.SimpleNetworkWrapper;
 import net.minecraftforge.fml.relauncher.Side;
-import nl.requios.effortlessbuilding.capability.*;
+import nl.requios.effortlessbuilding.capability.BuildModifierCapabilityManager;
+import nl.requios.effortlessbuilding.command.CommandReach;
 import nl.requios.effortlessbuilding.gui.RandomizerBagGuiHandler;
 import nl.requios.effortlessbuilding.item.ItemRandomizerBag;
+import nl.requios.effortlessbuilding.item.ItemReachUpgrade1;
+import nl.requios.effortlessbuilding.item.ItemReachUpgrade2;
+import nl.requios.effortlessbuilding.item.ItemReachUpgrade3;
+import nl.requios.effortlessbuilding.network.BlockBrokenMessage;
+import nl.requios.effortlessbuilding.network.BlockPlacedMessage;
 import nl.requios.effortlessbuilding.network.BuildSettingsMessage;
-import nl.requios.effortlessbuilding.network.QuickReplaceMessage;
 import nl.requios.effortlessbuilding.proxy.IProxy;
 import org.apache.logging.log4j.Logger;
 
@@ -29,7 +36,7 @@ public class EffortlessBuilding
 {
     public static final String MODID = "effortlessbuilding";
     public static final String NAME = "Effortless Building";
-    public static final String VERSION = "0.1.3";
+    public static final String VERSION = "1.0.3";
 
     @Mod.Instance(EffortlessBuilding.MODID)
     public static EffortlessBuilding instance;
@@ -45,12 +52,18 @@ public class EffortlessBuilding
     public static final SimpleNetworkWrapper packetHandler = NetworkRegistry.INSTANCE.newSimpleChannel(EffortlessBuilding.MODID);
 
     public static final ItemRandomizerBag ITEM_RANDOMIZER_BAG = new ItemRandomizerBag();
+    public static final ItemReachUpgrade1 ITEM_REACH_UPGRADE_1 = new ItemReachUpgrade1();
+    public static final ItemReachUpgrade2 ITEM_REACH_UPGRADE_2 = new ItemReachUpgrade2();
+    public static final ItemReachUpgrade3 ITEM_REACH_UPGRADE_3 = new ItemReachUpgrade3();
 
     public static final Block[] BLOCKS = {
     };
 
     public static final Item[] ITEMS = {
-            ITEM_RANDOMIZER_BAG
+            ITEM_RANDOMIZER_BAG,
+            ITEM_REACH_UPGRADE_1,
+            ITEM_REACH_UPGRADE_2,
+            ITEM_REACH_UPGRADE_3
     };
 
     public static final int RANDOMIZER_BAG_GUI = 0;
@@ -61,13 +74,16 @@ public class EffortlessBuilding
     {
         logger = event.getModLog();
 
-        CapabilityManager.INSTANCE.register(BuildModifierCapability.IBuildModifier.class, new BuildModifierCapability.Storage(), BuildModifierCapability.BuildModifier.class);
+        CapabilityManager.INSTANCE.register(
+                BuildModifierCapabilityManager.IBuildModifierCapability.class, new BuildModifierCapabilityManager.Storage(), BuildModifierCapabilityManager.BuildModifierCapability.class);
 
         EffortlessBuilding.packetHandler.registerMessage(BuildSettingsMessage.MessageHandler.class, BuildSettingsMessage.class, 0, Side.SERVER);
         EffortlessBuilding.packetHandler.registerMessage(BuildSettingsMessage.MessageHandler.class, BuildSettingsMessage.class, 0, Side.CLIENT);
 
-        EffortlessBuilding.packetHandler.registerMessage(QuickReplaceMessage.MessageHandler.class, QuickReplaceMessage.class, 1, Side.SERVER);
+        EffortlessBuilding.packetHandler.registerMessage(BlockPlacedMessage.MessageHandler.class, BlockPlacedMessage.class, 1, Side.SERVER);
-        EffortlessBuilding.packetHandler.registerMessage(QuickReplaceMessage.MessageHandler.class, QuickReplaceMessage.class, 1, Side.CLIENT);
+        EffortlessBuilding.packetHandler.registerMessage(BlockPlacedMessage.MessageHandler.class, BlockPlacedMessage.class, 1, Side.CLIENT);
+
+        EffortlessBuilding.packetHandler.registerMessage(BlockBrokenMessage.MessageHandler.class, BlockBrokenMessage.class, 2, Side.SERVER);
 
         proxy.preInit(event);
     }
@@ -77,7 +93,9 @@ public class EffortlessBuilding
     // Register network handlers
     public void init(FMLInitializationEvent event)
     {
+        ConfigManager.sync(MODID, Config.Type.INSTANCE);
         NetworkRegistry.INSTANCE.registerGuiHandler(EffortlessBuilding.instance, new RandomizerBagGuiHandler());
+
         proxy.init(event);
     }
 
@@ -91,6 +109,7 @@ public class EffortlessBuilding
     @EventHandler
     public void serverStarting(FMLServerStartingEvent event)
     {
+        event.registerServerCommand(new CommandReach());
         proxy.serverStarting(event);
     }
 

src/main/java/nl/requios/effortlessbuilding/EventHandler.java

@@ -1,23 +1,32 @@
 package nl.requios.effortlessbuilding;
 
 import net.minecraft.block.Block;
+import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemBlock;
-import net.minecraft.item.crafting.IRecipe;
-import net.minecraft.util.EnumHand;
 import net.minecraft.util.ResourceLocation;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+import net.minecraftforge.common.config.Config;
+import net.minecraftforge.common.config.ConfigManager;
 import net.minecraftforge.event.AttachCapabilitiesEvent;
 import net.minecraftforge.event.RegistryEvent;
+import net.minecraftforge.event.entity.player.PlayerEvent;
 import net.minecraftforge.event.world.BlockEvent;
+import net.minecraftforge.fml.client.event.ConfigChangedEvent;
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
-import nl.requios.effortlessbuilding.capability.BuildModifierCapability;
+import nl.requios.effortlessbuilding.capability.BuildModifierCapabilityManager;
+import nl.requios.effortlessbuilding.helper.SurvivalHelper;
+
+import java.util.List;
 
 @Mod.EventBusSubscriber
 public class EventHandler
 {
+
     @SubscribeEvent
     public static void registerBlocks(RegistryEvent.Register<Block> event)
     {
@@ -38,24 +47,69 @@ public class EventHandler
     @SubscribeEvent
     public static void attachCapabilities(AttachCapabilitiesEvent<Entity> event) {
         if (event.getObject() instanceof EntityPlayer) {
-            event.addCapability(new ResourceLocation(EffortlessBuilding.MODID, "BuildModifier"), new BuildModifierCapability.Provider());
+            event.addCapability(new ResourceLocation(EffortlessBuilding.MODID, "BuildModifier"), new BuildModifierCapabilityManager.Provider());
         }
     }
 
+    @SubscribeEvent
+    public static void onConfigChangedEvent(ConfigChangedEvent.OnConfigChangedEvent event)
+    {
+        if (event.getModID().equals(EffortlessBuilding.MODID))
+        {
+            ConfigManager.sync(EffortlessBuilding.MODID, Config.Type.INSTANCE);
+        }
+    }
+
+//    @SubscribeEvent
+//    public static void onServerTick(TickEvent.ServerTickEvent event) {
+//
+//    }
 
     @SubscribeEvent
     public static void onBlockPlaced(BlockEvent.PlaceEvent event) {
-        QuickReplace.onBlockPlaced(event);
+        //Still call it to cancel event
-        if (event.isCanceled()) return;
+        BuildModifiers.onBlockPlaced(event);
-        Mirror.onBlockPlaced(event);
-        Array.onBlockPlaced(event);
     }
 
-
     @SubscribeEvent
     public static void onBlockBroken(BlockEvent.BreakEvent event) {
-        Mirror.onBlockBroken(event);
+        BuildModifiers.onBlockBroken(event);
-        Array.onBlockBroken(event);
     }
 
+    @SubscribeEvent
+    public static void breakSpeed(PlayerEvent.BreakSpeed event) {
+        //Disable if config says so
+        if (!BuildConfig.survivalBalancers.increasedMiningTime) return;
+
+        EntityPlayer player = event.getEntityPlayer();
+        World world = player.world;
+        BlockPos pos = event.getPos();
+
+        //EffortlessBuilding.log(player, String.valueOf(event.getNewSpeed()));
+
+        float originalBlockHardness = event.getState().getBlockHardness(world, pos);
+        if (originalBlockHardness < 0) return; //Dont break bedrock
+        float totalBlockHardness = 0;
+        //get coordinates
+        List<BlockPos> coordinates = BuildModifiers.findCoordinates(player, pos);
+        for (int i = 1; i < coordinates.size(); i++) {
+            BlockPos coordinate = coordinates.get(i);
+            //get existing blockstates at those coordinates
+            IBlockState blockState = world.getBlockState(coordinate);
+            //add hardness for each blockstate, if can break
+            if (SurvivalHelper.canBreak(world, player, coordinate))
+                totalBlockHardness += blockState.getBlockHardness(world, coordinate);
+        }
+
+        //Grabbing percentage from config
+        float percentage = (float) BuildConfig.survivalBalancers.miningTimePercentage / 100;
+        totalBlockHardness *= percentage;
+        totalBlockHardness += originalBlockHardness;
+
+        float newSpeed = event.getOriginalSpeed() / totalBlockHardness * originalBlockHardness;
+        if (Float.isNaN(newSpeed) || newSpeed == 0f) newSpeed = 1f;
+        event.setNewSpeed(newSpeed);
+
+        //EffortlessBuilding.log(player, String.valueOf(event.getNewSpeed()));
+    }
 }

src/main/java/nl/requios/effortlessbuilding/Mirror.java

@@ -1,50 +1,30 @@
 package nl.requios.effortlessbuilding;
 
-import net.minecraft.block.*;
+import net.minecraft.block.BlockDirectional;
+import net.minecraft.block.BlockDispenser;
+import net.minecraft.block.BlockSlab;
+import net.minecraft.block.BlockStairs;
 import net.minecraft.block.state.IBlockState;
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.renderer.BufferBuilder;
-import net.minecraft.client.renderer.Tessellator;
-import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.EnumHand;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
-import net.minecraft.world.World;
-import net.minecraftforge.client.event.RenderWorldLastEvent;
-import net.minecraftforge.common.util.BlockSnapshot;
-import net.minecraftforge.event.world.BlockEvent;
-import net.minecraftforge.fml.common.Mod;
-import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
-import net.minecraftforge.fml.relauncher.Side;
-import net.minecraftforge.fml.relauncher.SideOnly;
 import net.minecraftforge.items.IItemHandler;
 import nl.requios.effortlessbuilding.item.ItemRandomizerBag;
-import org.lwjgl.opengl.GL11;
-import org.lwjgl.util.Color;
 
-@Mod.EventBusSubscriber
+import java.util.ArrayList;
+import java.util.List;
+
 public class Mirror {
 
-    //TODO config file
-    public static final int MAX_RADIUS = 200;
-
-    private static final Color colorX = new Color(255, 72, 52);
-    private static final Color colorY = new Color(67, 204, 51);
-    private static final Color colorZ = new Color(52, 247, 255);
-    private static final int lineAlpha = 200;
-    private static final int planeAlpha = 75;
-    private static final Vec3d epsilon = new Vec3d(0.001, 0.001, 0.001); //prevents z-fighting
-
-
     public static class MirrorSettings {
         public boolean enabled = false;
         public Vec3d position = new Vec3d(0.5, 64.5, 0.5);
         public boolean mirrorX = true, mirrorY = false, mirrorZ = false;
         public int radius = 20;
-        public boolean drawLines = true, drawPlanes = false;
+        public boolean drawLines = true, drawPlanes = true;
 
         public MirrorSettings() {
         }
@@ -59,123 +39,147 @@ public class Mirror {
             this.drawLines = drawLines;
             this.drawPlanes = drawPlanes;
         }
+
+        public int getReach() {
+            return radius * 2;
+        }
+    }
+    
+    public static List<BlockPos> findCoordinates(EntityPlayer player, BlockPos startPos) {
+        List<BlockPos> coordinates = new ArrayList<>();
+
+        //find mirrorsettings for the player
+        MirrorSettings m = BuildSettingsManager.getBuildSettings(player).getMirrorSettings();
+        if (!isEnabled(m, startPos)) return coordinates;
+
+        if (m.mirrorX) coordinateMirrorX(m, startPos, coordinates);
+        if (m.mirrorY) coordinateMirrorY(m, startPos, coordinates);
+        if (m.mirrorZ) coordinateMirrorZ(m, startPos, coordinates);
+
+        return coordinates;
     }
 
-    //Called from EventHandler
+    private static void coordinateMirrorX(MirrorSettings m, BlockPos oldBlockPos, List<BlockPos> coordinates) {
-    public static void onBlockPlaced(BlockEvent.PlaceEvent event) {
+        //find mirror position
-        if (event.getWorld().isRemote) return;
+        double x = m.position.x + (m.position.x - oldBlockPos.getX() - 0.5);
+        BlockPos newBlockPos = new BlockPos(x, oldBlockPos.getY(), oldBlockPos.getZ());
+        coordinates.add(newBlockPos);
 
-        //find mirrorsettings for the player that placed the block
+        if (m.mirrorY) coordinateMirrorY(m, newBlockPos, coordinates);
-        MirrorSettings m = BuildSettingsManager.getBuildSettings(event.getPlayer()).getMirrorSettings();
+        if (m.mirrorZ) coordinateMirrorZ(m, newBlockPos, coordinates);
-        if (m == null) return;
+    }
 
-        if (!m.enabled || (!m.mirrorX && !m.mirrorY && !m.mirrorZ)) return;
+    private static void coordinateMirrorY(MirrorSettings m, BlockPos oldBlockPos, List<BlockPos> coordinates) {
+        //find mirror position
+        double y = m.position.y + (m.position.y - oldBlockPos.getY() - 0.5);
+        BlockPos newBlockPos = new BlockPos(oldBlockPos.getX(), y, oldBlockPos.getZ());
+        coordinates.add(newBlockPos);
 
-        //if within mirror distance, mirror
+        if (m.mirrorZ) coordinateMirrorZ(m, newBlockPos, coordinates);
-        BlockPos oldBlockPos = event.getPos();
+    }
 
-        if (oldBlockPos.getX() + 0.5 < m.position.x - m.radius || oldBlockPos.getX() + 0.5 > m.position.x + m.radius ||
+    private static void coordinateMirrorZ(MirrorSettings m, BlockPos oldBlockPos, List<BlockPos> coordinates) {
-                oldBlockPos.getY() + 0.5 < m.position.y - m.radius || oldBlockPos.getY() + 0.5 > m.position.y + m.radius ||
+        //find mirror position
-                oldBlockPos.getZ() + 0.5 < m.position.z - m.radius || oldBlockPos.getZ() + 0.5 > m.position.z + m.radius)
+        double z = m.position.z + (m.position.z - oldBlockPos.getZ() - 0.5);
-            return;
+        BlockPos newBlockPos = new BlockPos(oldBlockPos.getX(), oldBlockPos.getY(), z);
+        coordinates.add(newBlockPos);
+    }
+
+    public static List<IBlockState> findBlockStates(EntityPlayer player, BlockPos startPos, IBlockState blockState, ItemStack itemStack, List<ItemStack> itemStacks) {
+        List<IBlockState> blockStates = new ArrayList<>();
+
+        //find mirrorsettings for the player
+        MirrorSettings m = BuildSettingsManager.getBuildSettings(player).getMirrorSettings();
+        if (!isEnabled(m, startPos)) return blockStates;
 
         //Randomizer bag synergy
         IItemHandler bagInventory = null;
-        if (event.getPlayer().getHeldItem(event.getHand()).getItem() == EffortlessBuilding.ITEM_RANDOMIZER_BAG) {
+        if (!itemStack.isEmpty() && itemStack.getItem() instanceof ItemRandomizerBag) {
-            bagInventory = ItemRandomizerBag.getBagInventory(event.getPlayer().getHeldItem(EnumHand.MAIN_HAND));
+            bagInventory = ItemRandomizerBag.getBagInventory(itemStack);
         }
 
-        if (m.mirrorX) {
+        if (m.mirrorX) blockStateMirrorX(player, m, startPos, blockState, bagInventory, itemStack, EnumHand.MAIN_HAND, blockStates, itemStacks);
-            placeMirrorX(event.getWorld(), event.getPlayer(), m, event.getPos(), event.getPlacedBlock(), bagInventory);
+        if (m.mirrorY) blockStateMirrorY(player, m, startPos, blockState, bagInventory, itemStack, EnumHand.MAIN_HAND, blockStates, itemStacks);
-        }
+        if (m.mirrorZ) blockStateMirrorZ(player, m, startPos, blockState, bagInventory, itemStack, EnumHand.MAIN_HAND, blockStates, itemStacks);
 
-        if (m.mirrorY) {
+        return blockStates;
-            placeMirrorY(event.getWorld(), event.getPlayer(), m, oldBlockPos, event.getPlacedBlock(), bagInventory);
-        }
-
-        if (m.mirrorZ) {
-            placeMirrorZ(event.getWorld(), event.getPlayer(), m, oldBlockPos, event.getPlacedBlock(), bagInventory);
-        }
     }
 
-    private static IBlockState getBlockStateFromRandomizerBag(IItemHandler bagInventory, World world, EntityPlayer player, BlockPos pos) {
+    private static void blockStateMirrorX(EntityPlayer player, MirrorSettings m, BlockPos oldBlockPos, IBlockState oldBlockState,
-        int randomSlot = ItemRandomizerBag.pickRandomSlot(bagInventory);
+                                          IItemHandler bagInventory, ItemStack itemStack, EnumHand hand, List<IBlockState> blockStates, List<ItemStack> itemStacks) {
-        ItemStack stack = bagInventory.getStackInSlot(randomSlot);
-        //TODO get facing from getPlacedAgainst and getPlacedBlock
-        return Block.getBlockFromItem(stack.getItem()).getStateForPlacement(world, pos, EnumFacing.NORTH, 0, 0, 0, stack.getMetadata(), player, EnumHand.MAIN_HAND);
-    }
-
-    private static void placeMirrorX(World world, EntityPlayer player, MirrorSettings m, BlockPos oldBlockPos, IBlockState oldBlockState, IItemHandler bagInventory) {
         //find mirror position
         double x = m.position.x + (m.position.x - oldBlockPos.getX() - 0.5);
         BlockPos newBlockPos = new BlockPos(x, oldBlockPos.getY(), oldBlockPos.getZ());
 
         //Randomizer bag synergy
-        if (bagInventory != null)
+        if (bagInventory != null) {
-            oldBlockState = getBlockStateFromRandomizerBag(bagInventory, world, player, oldBlockPos);
+            itemStack = ItemRandomizerBag.pickRandomStack(bagInventory);
-
+            oldBlockState = BuildModifiers.getBlockStateFromItem(itemStack, player, oldBlockPos, EnumFacing.UP, new Vec3d(0, 0, 0), hand);
-        IBlockState newBlockState = oldBlockState.withMirror(net.minecraft.util.Mirror.FRONT_BACK);
-        //place block
-        if (world.isBlockLoaded(newBlockPos, true)) {
-            placeBlock(world, player, newBlockPos, newBlockState);
         }
-        if (m.mirrorY) placeMirrorY(world, player, m, newBlockPos, newBlockState, bagInventory);
+
-        if (m.mirrorZ) placeMirrorZ(world, player, m, newBlockPos, newBlockState, bagInventory);
+        //Find blockstate
+        IBlockState newBlockState = oldBlockState == null ? null : oldBlockState.withMirror(net.minecraft.util.Mirror.FRONT_BACK);
+
+        //Store blockstate and itemstack
+        blockStates.add(newBlockState);
+        itemStacks.add(itemStack);
+
+        if (m.mirrorY) blockStateMirrorY(player, m, newBlockPos, newBlockState, bagInventory, itemStack, hand, blockStates, itemStacks);
+        if (m.mirrorZ) blockStateMirrorZ(player, m, newBlockPos, newBlockState, bagInventory, itemStack, hand, blockStates, itemStacks);
     }
 
-    private static void placeMirrorY(World world, EntityPlayer player, MirrorSettings m, BlockPos oldBlockPos, IBlockState oldBlockState, IItemHandler bagInventory) {
+    private static void blockStateMirrorY(EntityPlayer player, MirrorSettings m, BlockPos oldBlockPos, IBlockState oldBlockState,
+                                          IItemHandler bagInventory, ItemStack itemStack, EnumHand hand, List<IBlockState> blockStates, List<ItemStack> itemStacks) {
         //find mirror position
         double y = m.position.y + (m.position.y - oldBlockPos.getY() - 0.5);
         BlockPos newBlockPos = new BlockPos(oldBlockPos.getX(), y, oldBlockPos.getZ());
 
         //Randomizer bag synergy
-        if (bagInventory != null)
+        if (bagInventory != null) {
-            oldBlockState = getBlockStateFromRandomizerBag(bagInventory, world, player, oldBlockPos);
+            itemStack = ItemRandomizerBag.pickRandomStack(bagInventory);
-
+            oldBlockState = BuildModifiers.getBlockStateFromItem(itemStack, player, oldBlockPos, EnumFacing.UP, new Vec3d(0, 0, 0), hand);
-        IBlockState newBlockState = getVerticalMirror(oldBlockState);
-        //place block
-        if (world.isBlockLoaded(newBlockPos, true)) {
-            placeBlock(world, player, newBlockPos, newBlockState);
         }
-        if (m.mirrorZ) placeMirrorZ(world, player, m, newBlockPos, newBlockState, bagInventory);
+
+        //Find blockstate
+        IBlockState newBlockState = oldBlockState == null ? null : getVerticalMirror(oldBlockState);
+
+        //Store blockstate and itemstack
+        blockStates.add(newBlockState);
+        itemStacks.add(itemStack);
+
+        if (m.mirrorZ) blockStateMirrorZ(player, m, newBlockPos, newBlockState, bagInventory, itemStack, hand, blockStates, itemStacks);
     }
 
-    private static void placeMirrorZ(World world, EntityPlayer player, MirrorSettings m, BlockPos oldBlockPos, IBlockState oldBlockState, IItemHandler bagInventory) {
+    private static void blockStateMirrorZ(EntityPlayer player, MirrorSettings m, BlockPos oldBlockPos, IBlockState oldBlockState,
+                                          IItemHandler bagInventory, ItemStack itemStack, EnumHand hand, List<IBlockState> blockStates, List<ItemStack> itemStacks) {
         //find mirror position
         double z = m.position.z + (m.position.z - oldBlockPos.getZ() - 0.5);
         BlockPos newBlockPos = new BlockPos(oldBlockPos.getX(), oldBlockPos.getY(), z);
 
         //Randomizer bag synergy
-        if (bagInventory != null)
+        if (bagInventory != null) {
-            oldBlockState = getBlockStateFromRandomizerBag(bagInventory, world, player, oldBlockPos);
+            itemStack = ItemRandomizerBag.pickRandomStack(bagInventory);
-
+            oldBlockState = BuildModifiers.getBlockStateFromItem(itemStack, player, oldBlockPos, EnumFacing.UP, new Vec3d(0, 0, 0), hand);
-        IBlockState newBlockState = oldBlockState.withMirror(net.minecraft.util.Mirror.LEFT_RIGHT);
-        //place block
-        if (world.isBlockLoaded(newBlockPos, true)) {
-            placeBlock(world, player, newBlockPos, newBlockState);
         }
+
+        //Find blockstate
+        IBlockState newBlockState = oldBlockState == null ? null : oldBlockState.withMirror(net.minecraft.util.Mirror.LEFT_RIGHT);
+
+        //Store blockstate and itemstack
+        blockStates.add(newBlockState);
+        itemStacks.add(itemStack);
     }
 
-    private static void placeBlock(World world, EntityPlayer player, BlockPos newBlockPos, IBlockState newBlockState) {
+    public static boolean isEnabled(MirrorSettings m, BlockPos startPos) {
-        //Check itemstack
+        if (m == null || !m.enabled || (!m.mirrorX && !m.mirrorY && !m.mirrorZ)) return false;
-        ItemStack itemStack = player.getHeldItem(player.swingingHand); //TODO check hand
-        if (itemStack.isEmpty()) return;
 
-        //TODO check if can place
+        //within mirror distance
-        //TODO check if can break
+        if (startPos.getX() + 0.5 < m.position.x - m.radius || startPos.getX() + 0.5 > m.position.x + m.radius ||
+            startPos.getY() + 0.5 < m.position.y - m.radius || startPos.getY() + 0.5 > m.position.y + m.radius ||
+            startPos.getZ() + 0.5 < m.position.z - m.radius || startPos.getZ() + 0.5 > m.position.z + m.radius)
+            return false;
 
-        SurvivalHelper.dropBlock(world, newBlockPos, player);
+        return true;
-        world.setBlockState(newBlockPos, newBlockState);
-
-        //Check if held block = placed block (otherwise its a bag or wand)
-        if (!player.isCreative() && Block.getBlockFromItem(itemStack.getItem()) == newBlockState.getBlock()) {
-            itemStack.shrink(1);
-        }
-
-        //Array synergy
-        BlockSnapshot blockSnapshot = new BlockSnapshot(world, newBlockPos, newBlockState);
-        BlockEvent.PlaceEvent placeEvent = new BlockEvent.PlaceEvent(blockSnapshot, newBlockState, player, EnumHand.MAIN_HAND);
-        Array.onBlockPlaced(placeEvent);
     }
 
     private static IBlockState getVerticalMirror(IBlockState blockState) {
@@ -218,252 +222,4 @@ public class Mirror {
 
         return blockState;
     }
-
-    //Called from EventHandler
-    public static void onBlockBroken(BlockEvent.BreakEvent event) {
-        if (event.getWorld().isRemote) return;
-
-        //find mirrorsettings for the player that broke the block
-        MirrorSettings m = BuildSettingsManager.getBuildSettings(event.getPlayer()).getMirrorSettings();
-        if (m == null) return;
-
-        if (!m.enabled || (!m.mirrorX && !m.mirrorY && !m.mirrorZ)) return;
-
-        //if within mirror distance, break mirror block
-        BlockPos oldBlockPos = event.getPos();
-
-        if (oldBlockPos.getX() + 0.5 < m.position.x - m.radius || oldBlockPos.getX() + 0.5 > m.position.x + m.radius ||
-                oldBlockPos.getY() + 0.5 < m.position.y - m.radius || oldBlockPos.getY() + 0.5 > m.position.y + m.radius ||
-                oldBlockPos.getZ() + 0.5 < m.position.z - m.radius || oldBlockPos.getZ() + 0.5 > m.position.z + m.radius)
-            return;
-
-        if (m.mirrorX) {
-            breakMirrorX(event, m, oldBlockPos);
-        }
-
-        if (m.mirrorY) {
-            breakMirrorY(event, m, oldBlockPos);
-        }
-
-        if (m.mirrorZ) {
-            breakMirrorZ(event, m, oldBlockPos);
-        }
-    }
-
-    private static void breakMirrorX(BlockEvent.BreakEvent event, MirrorSettings m, BlockPos oldBlockPos) {
-        //find mirror position
-        double x = m.position.x + (m.position.x - oldBlockPos.getX() - 0.5);
-        BlockPos newBlockPos = new BlockPos(x, oldBlockPos.getY(), oldBlockPos.getZ());
-        //break block
-        if (event.getWorld().isBlockLoaded(newBlockPos, true)) {
-            breakBlock(event, newBlockPos);
-        }
-        if (m.mirrorY) breakMirrorY(event, m, newBlockPos);
-        if (m.mirrorZ) breakMirrorZ(event, m, newBlockPos);
-    }
-
-    private static void breakMirrorY(BlockEvent.BreakEvent event, MirrorSettings m, BlockPos oldBlockPos) {
-        //find mirror position
-        double y = m.position.y + (m.position.y - oldBlockPos.getY() - 0.5);
-        BlockPos newBlockPos = new BlockPos(oldBlockPos.getX(), y, oldBlockPos.getZ());
-        //place block
-        if (event.getWorld().isBlockLoaded(newBlockPos, true)) {
-            breakBlock(event, newBlockPos);
-        }
-        if (m.mirrorZ) breakMirrorZ(event, m, newBlockPos);
-    }
-
-    private static void breakMirrorZ(BlockEvent.BreakEvent event, MirrorSettings m, BlockPos oldBlockPos) {
-        //find mirror position
-        double z = m.position.z + (m.position.z - oldBlockPos.getZ() - 0.5);
-        BlockPos newBlockPos = new BlockPos(oldBlockPos.getX(), oldBlockPos.getY(), z);
-        //place block
-        if (event.getWorld().isBlockLoaded(newBlockPos, true)) {
-            breakBlock(event, newBlockPos);
-        }
-    }
-
-    private static void breakBlock(BlockEvent.BreakEvent event, BlockPos newBlockPos) {
-        //TODO check if can break
-
-        SurvivalHelper.dropBlock(event.getWorld(), newBlockPos, event.getPlayer());
-        event.getWorld().setBlockToAir(newBlockPos);
-
-        //Array synergy
-        BlockEvent.BreakEvent breakEvent = new BlockEvent.BreakEvent(event.getWorld(), newBlockPos, event.getState(), event.getPlayer());
-        Array.onBlockBroken(breakEvent);
-    }
-
-    @SubscribeEvent
-    @SideOnly(Side.CLIENT)
-    public static void onRender(RenderWorldLastEvent event) {
-        EntityPlayer player = Minecraft.getMinecraft().player;
-        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(player);
-        if (buildSettings == null) return;
-        MirrorSettings m = buildSettings.getMirrorSettings();
-
-        if (m == null || !m.enabled || (!m.mirrorX && !m.mirrorY && !m.mirrorZ)) return;
-
-        Vec3d playerPos = new Vec3d(player.posX, player.posY, player.posZ);
-        Vec3d pos = m.position.add(epsilon);
-        int radius = m.radius;
-
-        if (m.mirrorX) {
-            Vec3d posA = new Vec3d(pos.x, pos.y - radius, pos.z - radius);
-            Vec3d posB = new Vec3d(pos.x, pos.y + radius, pos.z + radius);
-
-            drawMirrorPlane(playerPos, posA, posB, colorX, m.drawLines, m.drawPlanes);
-        }
-        if (m.mirrorY) {
-            Vec3d posA = new Vec3d(pos.x - radius, pos.y, pos.z - radius);
-            Vec3d posB = new Vec3d(pos.x + radius, pos.y, pos.z + radius);
-
-            drawMirrorPlaneY(playerPos, posA, posB, colorY, m.drawLines, m.drawPlanes);
-        }
-        if (m.mirrorZ) {
-            Vec3d posA = new Vec3d(pos.x - radius, pos.y - radius, pos.z);
-            Vec3d posB = new Vec3d(pos.x + radius, pos.y + radius, pos.z);
-
-            drawMirrorPlane(playerPos, posA, posB, colorZ, m.drawLines, m.drawPlanes);
-        }
-
-        //Draw axis coordinated colors if two or more axes are enabled
-        //(If only one is enabled the lines are that planes color)
-        if (m.drawLines && ((m.mirrorX && m.mirrorY) || (m.mirrorX && m.mirrorZ) || (m.mirrorY && m.mirrorZ))) {
-            drawMirrorLines(playerPos, m);
-        }
-    }
-
-    @SideOnly(Side.CLIENT)
-    public static void drawMirrorPlane(Vec3d playerPos, Vec3d posA, Vec3d posB, Color c, boolean drawLines, boolean drawPlanes) {
-
-        GL11.glPushAttrib(GL11.GL_ENABLE_BIT);
-        GL11.glPushMatrix();
-        GL11.glDisable(GL11.GL_CULL_FACE);
-        GL11.glDisable(GL11.GL_LIGHTING);
-        GL11.glDisable(GL11.GL_TEXTURE_2D);
-
-        GL11.glEnable(GL11.GL_BLEND);
-        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
-        GL11.glTranslated(-playerPos.x, -playerPos.y, -playerPos.z);
-
-        GL11.glColor4d(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha);
-        GL11.glLineWidth(2);
-        GL11.glDepthMask(false);
-        Tessellator tessellator = Tessellator.getInstance();
-        BufferBuilder bufferBuilder = tessellator.getBuffer();
-
-        if (drawPlanes) {
-            bufferBuilder.begin(GL11.GL_TRIANGLE_STRIP, DefaultVertexFormats.POSITION_COLOR);
-
-            bufferBuilder.pos(posA.x, posA.y, posA.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
-            bufferBuilder.pos(posA.x, posB.y, posA.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
-            bufferBuilder.pos(posB.x, posA.y, posB.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
-            bufferBuilder.pos(posB.x, posB.y, posB.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
-
-            tessellator.draw();
-        }
-
-        if (drawLines) {
-            Vec3d middle = posA.add(posB).scale(0.5);
-            bufferBuilder.begin(GL11.GL_LINES, DefaultVertexFormats.POSITION_COLOR);
-
-            bufferBuilder.pos(posA.x, middle.y, posA.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
-            bufferBuilder.pos(posB.x, middle.y, posB.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
-            bufferBuilder.pos(middle.x, posA.y, middle.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
-            bufferBuilder.pos(middle.x, posB.y, middle.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
-
-            tessellator.draw();
-        }
-
-        GL11.glDepthMask(true);
-        GL11.glPopMatrix();
-        GL11.glPopAttrib();
-    }
-
-    @SideOnly(Side.CLIENT)
-    public static void drawMirrorPlaneY(Vec3d playerPos, Vec3d posA, Vec3d posB, Color c, boolean drawLines, boolean drawPlanes) {
-
-        GL11.glPushAttrib(GL11.GL_ENABLE_BIT);
-        GL11.glPushMatrix();
-        GL11.glDisable(GL11.GL_CULL_FACE);
-        GL11.glDisable(GL11.GL_LIGHTING);
-        GL11.glDisable(GL11.GL_TEXTURE_2D);
-
-        GL11.glEnable(GL11.GL_BLEND);
-        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
-        GL11.glTranslated(-playerPos.x, -playerPos.y, -playerPos.z);
-
-        GL11.glColor4d(c.getRed(), c.getGreen(), c.getBlue(), c.getAlpha());
-        GL11.glLineWidth(2);
-        GL11.glDepthMask(false);
-        Tessellator tessellator = Tessellator.getInstance();
-        BufferBuilder bufferBuilder = tessellator.getBuffer();
-
-        if (drawPlanes) {
-            bufferBuilder.begin(GL11.GL_TRIANGLE_STRIP, DefaultVertexFormats.POSITION_COLOR);
-
-            bufferBuilder.pos(posA.x, posA.y, posA.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
-            bufferBuilder.pos(posA.x, posA.y, posB.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
-            bufferBuilder.pos(posB.x, posA.y, posA.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
-            bufferBuilder.pos(posB.x, posA.y, posB.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
-
-            tessellator.draw();
-        }
-
-        if (drawLines) {
-            Vec3d middle = posA.add(posB).scale(0.5);
-            bufferBuilder.begin(GL11.GL_LINES, DefaultVertexFormats.POSITION_COLOR);
-
-            bufferBuilder.pos(middle.x, middle.y, posA.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
-            bufferBuilder.pos(middle.x, middle.y, posB.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
-            bufferBuilder.pos(posA.x, middle.y, middle.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
-            bufferBuilder.pos(posB.x, middle.y, middle.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
-
-            tessellator.draw();
-        }
-
-        GL11.glDepthMask(true);
-        GL11.glPopMatrix();
-        GL11.glPopAttrib();
-    }
-
-    @SideOnly(Side.CLIENT)
-    public static void drawMirrorLines(Vec3d playerPos, MirrorSettings m) {
-
-        Vec3d pos = m.position.add(epsilon);
-
-        GL11.glPushAttrib(GL11.GL_ENABLE_BIT);
-        GL11.glPushMatrix();
-        GL11.glDisable(GL11.GL_CULL_FACE);
-        GL11.glDisable(GL11.GL_LIGHTING);
-        GL11.glDisable(GL11.GL_TEXTURE_2D);
-
-        GL11.glEnable(GL11.GL_BLEND);
-        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
-        GL11.glTranslated(-playerPos.x, -playerPos.y, -playerPos.z);
-
-        GL11.glColor4d(100, 100, 100, 255);
-        GL11.glLineWidth(2);
-        GL11.glDepthMask(false);
-        Tessellator tessellator = Tessellator.getInstance();
-        BufferBuilder bufferBuilder = tessellator.getBuffer();
-
-        bufferBuilder.begin(GL11.GL_LINES, DefaultVertexFormats.POSITION_COLOR);
-
-        bufferBuilder.pos(pos.x - m.radius, pos.y, pos.z).color(colorZ.getRed(), colorZ.getGreen(), colorZ.getBlue(), lineAlpha).endVertex();
-        bufferBuilder.pos(pos.x + m.radius, pos.y, pos.z).color(colorZ.getRed(), colorZ.getGreen(), colorZ.getBlue(), lineAlpha).endVertex();
-        bufferBuilder.pos(pos.x, pos.y - m.radius, pos.z).color(colorY.getRed(), colorY.getGreen(), colorY.getBlue(), lineAlpha).endVertex();
-        bufferBuilder.pos(pos.x, pos.y + m.radius, pos.z).color(colorY.getRed(), colorY.getGreen(), colorY.getBlue(), lineAlpha).endVertex();
-        bufferBuilder.pos(pos.x, pos.y, pos.z - m.radius).color(colorX.getRed(), colorX.getGreen(), colorX.getBlue(), lineAlpha).endVertex();
-        bufferBuilder.pos(pos.x, pos.y, pos.z + m.radius).color(colorX.getRed(), colorX.getGreen(), colorX.getBlue(), lineAlpha).endVertex();
-
-        tessellator.draw();
-
-        GL11.glDepthMask(true);
-        GL11.glPopMatrix();
-        GL11.glPopAttrib();
-    }
-
-
 }

src/main/java/nl/requios/effortlessbuilding/QuickReplace.java

@@ -1,76 +0,0 @@
-package nl.requios.effortlessbuilding;
-
-import net.minecraft.block.Block;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.entity.player.EntityPlayerMP;
-import net.minecraft.item.ItemStack;
-import net.minecraft.util.EnumHand;
-import net.minecraft.util.math.BlockPos;
-import net.minecraftforge.common.util.BlockSnapshot;
-import net.minecraftforge.event.world.BlockEvent;
-import nl.requios.effortlessbuilding.network.QuickReplaceMessage;
-
-import java.util.Dictionary;
-import java.util.Hashtable;
-import java.util.UUID;
-
-public class QuickReplace {
-    //Dilemma in getting blockstate from event to when message is received:
-    // 1) send via client. Then hacking makes it possible to place any block.
-    // 2) save serverside. Messages may not be received chronologically so data could get switched.
-    //Solution for now: save blockstate per player. Messages from 1 player will rarely come unchronologically
-    //and players will rarely switch between blocks that quickly.
-
-    private static Dictionary<UUID, IBlockState> blockStates = new Hashtable<>();
-
-    public static void onBlockPlaced(BlockEvent.PlaceEvent event) {
-        if (event.getWorld().isRemote) return;
-        //Only serverside
-
-        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(event.getPlayer());
-        if (!buildSettings.doQuickReplace()) return;
-
-        //TODO base on player facing instead, no more messages (or break block clientside)
-
-        blockStates.put(event.getPlayer().getUniqueID(), event.getPlacedBlock());
-
-        //RayTraceResult result = event.getWorld().rayTraceBlocks(event.getPlayer().getPositionEyes(1f), event.getPlayer().getLookVec());
-        EffortlessBuilding.packetHandler.sendTo(new QuickReplaceMessage(), (EntityPlayerMP) event.getPlayer());
-
-        event.setCanceled(true);
-    }
-
-    public static void onMessageReceived(EntityPlayer player, QuickReplaceMessage message) {
-        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(player);
-        if (!buildSettings.doQuickReplace()) return;
-
-        //TODO check for bedrock, end portal etc in survival
-
-        if (!message.isBlockHit() || message.getBlockPos() == null) return;
-
-        BlockPos placedAgainstBlockPos = message.getBlockPos();
-
-        //Get under tall grass and other replaceable blocks
-        if (player.world.getBlockState(placedAgainstBlockPos).getBlock().isReplaceable(player.world, placedAgainstBlockPos)) {
-            placedAgainstBlockPos = placedAgainstBlockPos.down();
-        }
-
-        IBlockState blockState = blockStates.get(player.getUniqueID());
-
-        SurvivalHelper.dropBlock(player.world, placedAgainstBlockPos, player);
-        player.world.setBlockState(placedAgainstBlockPos, blockState);
-
-        //Shrink itemstack with 1
-        ItemStack itemStack = player.getHeldItem(player.swingingHand); //TODO check hand
-        if (!player.isCreative() && Block.getBlockFromItem(itemStack.getItem()) == blockState.getBlock()) {
-            itemStack.shrink(1);
-        }
-
-        //Mirror and Array synergy
-        BlockSnapshot blockSnapshot = new BlockSnapshot(player.world, placedAgainstBlockPos, blockState);
-        BlockEvent.PlaceEvent placeEvent = new BlockEvent.PlaceEvent(blockSnapshot, blockState, player, EnumHand.MAIN_HAND);
-        Mirror.onBlockPlaced(placeEvent);
-        Array.onBlockPlaced(placeEvent);
-    }
-}

src/main/java/nl/requios/effortlessbuilding/RadialMirror.java

@@ -0,0 +1,194 @@
+package nl.requios.effortlessbuilding;
+
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.EnumHand;
+import net.minecraft.util.Mirror;
+import net.minecraft.util.Rotation;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.MathHelper;
+import net.minecraft.util.math.Vec3d;
+import net.minecraftforge.items.IItemHandler;
+import nl.requios.effortlessbuilding.item.ItemRandomizerBag;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class RadialMirror {
+
+    public static class RadialMirrorSettings {
+        public boolean enabled = false;
+        public Vec3d position = new Vec3d(0.5, 64.5, 0.5);
+        public int slices = 4;
+        public boolean alternate = false;
+        public int radius = 20;
+        public boolean drawLines = true, drawPlanes = false;
+
+        public RadialMirrorSettings() {
+        }
+
+        public RadialMirrorSettings(boolean enabled, Vec3d position, int slices, boolean alternate, int radius, boolean drawLines, boolean drawPlanes) {
+            this.enabled = enabled;
+            this.position = position;
+            this.slices = slices;
+            this.alternate = alternate;
+            this.radius = radius;
+            this.drawLines = drawLines;
+            this.drawPlanes = drawPlanes;
+        }
+
+        public int getReach() {
+            return radius * 2;
+        }
+    }
+
+    public static List<BlockPos> findCoordinates(EntityPlayer player, BlockPos startPos) {
+        List<BlockPos> coordinates = new ArrayList<>();
+
+        //find radial mirror settings for the player
+        RadialMirrorSettings r = BuildSettingsManager.getBuildSettings(player).getRadialMirrorSettings();
+        if (!isEnabled(r, startPos)) return coordinates;
+
+        //get angle between slices
+        double sliceAngle = 2 * Math.PI / r.slices;
+
+        Vec3d startVec = new Vec3d(startPos.getX() + 0.5f, startPos.getY() + 0.5f, startPos.getZ() + 0.5f);
+        Vec3d relStartVec = startVec.subtract(r.position);
+
+        double startAngleToCenter = MathHelper.atan2(relStartVec.x, relStartVec.z);
+        if (startAngleToCenter < 0) startAngleToCenter += Math.PI;
+        double startAngleInSlice = startAngleToCenter % sliceAngle;
+
+        for (int i = 1; i < r.slices; i++) {
+            double curAngle = sliceAngle * i;
+
+            //alternate mirroring of slices
+            if (r.alternate && i%2 == 1) {
+                curAngle = curAngle - startAngleInSlice + (sliceAngle - startAngleInSlice);
+            }
+
+            Vec3d relNewVec = relStartVec.rotateYaw((float) curAngle);
+            BlockPos newBlockPos = new BlockPos(r.position.add(relNewVec));
+            if (!coordinates.contains(newBlockPos) && !newBlockPos.equals(startPos)) coordinates.add(newBlockPos);
+        }
+
+        return coordinates;
+    }
+
+    public static List<IBlockState> findBlockStates(EntityPlayer player, BlockPos startPos, IBlockState blockState, ItemStack itemStack, List<ItemStack> itemStacks) {
+        List<IBlockState> blockStates = new ArrayList<>();
+        List<BlockPos> coordinates = new ArrayList<>(); //to keep track of duplicates
+
+        //find radial mirror settings for the player that placed the block
+        RadialMirrorSettings r = BuildSettingsManager.getBuildSettings(player).getRadialMirrorSettings();
+        if (!isEnabled(r, startPos)) return blockStates;
+
+
+        //get angle between slices
+        double sliceAngle = 2 * Math.PI / r.slices;
+
+        Vec3d startVec = new Vec3d(startPos.getX() + 0.5f, startPos.getY() + 0.5f, startPos.getZ() + 0.5f);
+        Vec3d relStartVec = startVec.subtract(r.position);
+
+        double startAngleToCenter = MathHelper.atan2(relStartVec.x, relStartVec.z);
+        double startAngleToCenterMod = startAngleToCenter < 0 ? startAngleToCenter + Math.PI : startAngleToCenter;
+        double startAngleInSlice = startAngleToCenterMod % sliceAngle;
+
+        //Rotate the original blockstate
+        blockState = rotateOriginalBlockState(startAngleToCenter, blockState);
+
+        //Randomizer bag synergy
+        IItemHandler bagInventory = null;
+        if (!itemStack.isEmpty() && itemStack.getItem() instanceof ItemRandomizerBag) {
+            bagInventory = ItemRandomizerBag.getBagInventory(itemStack);
+        }
+
+        IBlockState newBlockState;
+        for (int i = 1; i < r.slices; i++) {
+            newBlockState = blockState;
+            double curAngle = sliceAngle * i;
+
+            //alternate mirroring of slices
+            if (r.alternate && i%2 == 1) {
+                curAngle = curAngle - startAngleInSlice + (sliceAngle - startAngleInSlice);
+            }
+
+            Vec3d relNewVec = relStartVec.rotateYaw((float) curAngle);
+            BlockPos newBlockPos = new BlockPos(r.position.add(relNewVec));
+            if (coordinates.contains(newBlockPos) || newBlockPos.equals(startPos)) continue; //filter out duplicates
+            coordinates.add(newBlockPos);
+
+            //Randomizer bag synergy
+            if (bagInventory != null) {
+                itemStack = ItemRandomizerBag.pickRandomStack(bagInventory);
+                newBlockState = BuildModifiers.getBlockStateFromItem(itemStack, player, startPos, EnumFacing.UP, new Vec3d(0, 0, 0), EnumHand.MAIN_HAND);
+
+                newBlockState = rotateOriginalBlockState(startAngleToCenter, newBlockState);
+            }
+
+            //rotate
+            newBlockState = rotateBlockState(relNewVec, newBlockState, r.alternate && i%2 == 1);
+
+            blockStates.add(newBlockState);
+            itemStacks.add(itemStack);
+        }
+
+        return blockStates;
+    }
+
+    private static IBlockState rotateOriginalBlockState(double startAngleToCenter, IBlockState blockState) {
+        IBlockState newBlockState = blockState;
+
+        if (startAngleToCenter < -0.751 * Math.PI || startAngleToCenter > 0.749 * Math.PI) {
+            newBlockState = blockState.withRotation(Rotation.CLOCKWISE_180);
+        } else if (startAngleToCenter < -0.251 * Math.PI) {
+            newBlockState = blockState.withRotation(Rotation.COUNTERCLOCKWISE_90);
+        } else if (startAngleToCenter > 0.249 * Math.PI) {
+            newBlockState = blockState.withRotation(Rotation.CLOCKWISE_90);
+        }
+
+        return newBlockState;
+    }
+
+    private static IBlockState rotateBlockState(Vec3d relVec, IBlockState blockState, boolean alternate) {
+        IBlockState newBlockState;
+        double angleToCenter = MathHelper.atan2(relVec.x, relVec.z); //between -PI and PI
+
+        if (angleToCenter < -0.751 * Math.PI || angleToCenter > 0.749 * Math.PI) {
+            newBlockState = blockState.withRotation(Rotation.CLOCKWISE_180);
+            if (alternate) {
+                newBlockState = newBlockState.withMirror(Mirror.FRONT_BACK);
+            }
+        } else if (angleToCenter < -0.251 * Math.PI) {
+            newBlockState = blockState.withRotation(Rotation.CLOCKWISE_90);
+            if (alternate) {
+                newBlockState = newBlockState.withMirror(Mirror.LEFT_RIGHT);
+            }
+        } else if (angleToCenter > 0.249 * Math.PI) {
+            newBlockState = blockState.withRotation(Rotation.COUNTERCLOCKWISE_90);
+            if (alternate) {
+                newBlockState = newBlockState.withMirror(Mirror.LEFT_RIGHT);
+            }
+        } else {
+            newBlockState = blockState;
+            if (alternate) {
+                newBlockState = newBlockState.withMirror(Mirror.FRONT_BACK);
+            }
+        }
+
+        return newBlockState;
+    }
+
+    public static boolean isEnabled(RadialMirrorSettings r, BlockPos startPos) {
+        if (r == null || !r.enabled) return false;
+
+        if (new Vec3d(startPos.getX() + 0.5, startPos.getY() + 0.5, startPos.getZ() + 0.5).subtract(r.position).lengthSquared() >
+            r.radius * r.radius)
+            return false;
+
+        return true;
+    }
+
+}

src/main/java/nl/requios/effortlessbuilding/SurvivalHelper.java

@@ -1,35 +0,0 @@
-package nl.requios.effortlessbuilding;
-
-import net.minecraft.block.Block;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.item.ItemStack;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.World;
-import net.minecraftforge.items.ItemHandlerHelper;
-
-import java.util.List;
-
-public class SurvivalHelper {
-
-    public static boolean canBreak(){
-        return true;
-    }
-
-    public static boolean canPlace(){
-        return true;
-    }
-
-    //Gives items directly to player
-    public static void dropBlock(World world, BlockPos pos, EntityPlayer player){
-        if (player.isCreative()) return;
-
-        IBlockState blockState = world.getBlockState(pos);
-
-        List<ItemStack> drops = blockState.getBlock().getDrops(world, pos, blockState, 0);
-        for (ItemStack drop : drops)
-        {
-            ItemHandlerHelper.giveItemToPlayer(player, drop);
-        }
-    }
-}

src/main/java/nl/requios/effortlessbuilding/capability/BuildModifierCapabilityManager.java

@@ -14,23 +14,24 @@ import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
 import nl.requios.effortlessbuilding.Array;
 import nl.requios.effortlessbuilding.BuildSettingsManager.BuildSettings;
 import nl.requios.effortlessbuilding.Mirror;
+import nl.requios.effortlessbuilding.RadialMirror;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
 @Mod.EventBusSubscriber
-public class BuildModifierCapability {
+public class BuildModifierCapabilityManager {
 
-    @CapabilityInject(IBuildModifier.class)
+    @CapabilityInject(IBuildModifierCapability.class)
-    public final static Capability<IBuildModifier> buildModifier = null;
+    public final static Capability<IBuildModifierCapability> buildModifierCapability = null;
 
-    public interface IBuildModifier {
+    public interface IBuildModifierCapability {
         BuildSettings getBuildModifierData();
 
         void setBuildModifierData(BuildSettings buildSettings);
     }
 
-    public static class BuildModifier implements IBuildModifier {
+    public static class BuildModifierCapability implements IBuildModifierCapability {
         private BuildSettings buildSettings;
 
         @Override
@@ -44,14 +45,16 @@ public class BuildModifierCapability {
         }
     }
 
-    public static class Storage implements Capability.IStorage<IBuildModifier> {
+    public static class Storage implements Capability.IStorage<IBuildModifierCapability> {
         @Override
-        public NBTBase writeNBT(Capability<IBuildModifier> capability, IBuildModifier instance, EnumFacing side) {
+        public NBTBase writeNBT(Capability<IBuildModifierCapability> capability, IBuildModifierCapability instance, EnumFacing side) {
             NBTTagCompound compound = new NBTTagCompound();
             BuildSettings buildSettings = instance.getBuildModifierData();
+            if (buildSettings == null) buildSettings = new BuildSettings();
 
             //MIRROR
             Mirror.MirrorSettings m = buildSettings.getMirrorSettings();
+            if (m == null) m = new Mirror.MirrorSettings();
             compound.setBoolean("mirrorEnabled", m.enabled);
             compound.setDouble("mirrorPosX", m.position.x);
             compound.setDouble("mirrorPosY", m.position.y);
@@ -65,18 +68,35 @@ public class BuildModifierCapability {
 
             //ARRAY
             Array.ArraySettings a = buildSettings.getArraySettings();
+            if (a == null) a = new Array.ArraySettings();
             compound.setBoolean("arrayEnabled", a.enabled);
             compound.setInteger("arrayOffsetX", a.offset.getX());
             compound.setInteger("arrayOffsetY", a.offset.getY());
             compound.setInteger("arrayOffsetZ", a.offset.getZ());
             compound.setInteger("arrayCount", a.count);
 
+            compound.setInteger("reachUpgrade", buildSettings.getReachUpgrade());
+
             //compound.setBoolean("quickReplace", buildSettings.doQuickReplace()); dont save quickreplace
+
+            //RADIAL MIRROR
+            RadialMirror.RadialMirrorSettings r = buildSettings.getRadialMirrorSettings();
+            if (r == null) r = new RadialMirror.RadialMirrorSettings();
+            compound.setBoolean("radialMirrorEnabled", r.enabled);
+            compound.setDouble("radialMirrorPosX", r.position.x);
+            compound.setDouble("radialMirrorPosY", r.position.y);
+            compound.setDouble("radialMirrorPosZ", r.position.z);
+            compound.setInteger("radialMirrorSlices", r.slices);
+            compound.setBoolean("radialMirrorAlternate", r.alternate);
+            compound.setInteger("radialMirrorRadius", r.radius);
+            compound.setBoolean("radialMirrorDrawLines", r.drawLines);
+            compound.setBoolean("radialMirrorDrawPlanes", r.drawPlanes);
+
             return compound;
         }
 
         @Override
-        public void readNBT(Capability<IBuildModifier> capability, IBuildModifier instance, EnumFacing side, NBTBase nbt) {
+        public void readNBT(Capability<IBuildModifierCapability> capability, IBuildModifierCapability instance, EnumFacing side, NBTBase nbt) {
             NBTTagCompound compound = (NBTTagCompound) nbt;
 
             //MIRROR
@@ -96,43 +116,56 @@ public class BuildModifierCapability {
             int arrayCount = compound.getInteger("arrayCount");
             Array.ArraySettings arraySettings = new Array.ArraySettings(arrayEnabled, arrayOffset, arrayCount);
 
+            int reachUpgrade = compound.getInteger("reachUpgrade");
+
             //boolean quickReplace = compound.getBoolean("quickReplace"); //dont load quickreplace
 
-            BuildSettings buildSettings = new BuildSettings(mirrorSettings, arraySettings, false);
+            //RADIAL MIRROR
+            boolean radialMirrorEnabled = compound.getBoolean("radialMirrorEnabled");
+            Vec3d radialMirrorPosition = new Vec3d(compound.getDouble("radialMirrorPosX"), compound.getDouble("radialMirrorPosY"), compound.getDouble("radialMirrorPosZ"));
+            int radialMirrorSlices = compound.getInteger("radialMirrorSlices");
+            boolean radialMirrorAlternate = compound.getBoolean("radialMirrorAlternate");
+            int radialMirrorRadius = compound.getInteger("radialMirrorRadius");
+            boolean radialMirrorDrawLines = compound.getBoolean("radialMirrorDrawLines");
+            boolean radialMirrorDrawPlanes = compound.getBoolean("radialMirrorDrawPlanes");
+            RadialMirror.RadialMirrorSettings radialMirrorSettings = new RadialMirror.RadialMirrorSettings(radialMirrorEnabled, radialMirrorPosition,
+                    radialMirrorSlices, radialMirrorAlternate, radialMirrorRadius, radialMirrorDrawLines, radialMirrorDrawPlanes);
+
+            BuildSettings buildSettings = new BuildSettings(mirrorSettings, arraySettings, radialMirrorSettings, false, reachUpgrade);
             instance.setBuildModifierData(buildSettings);
         }
     }
 
     public static class Provider implements ICapabilitySerializable<NBTBase> {
-        IBuildModifier inst = buildModifier.getDefaultInstance();
+        IBuildModifierCapability inst = buildModifierCapability.getDefaultInstance();
 
         @Override
         public boolean hasCapability(@Nonnull Capability<?> capability, @Nullable EnumFacing facing) {
-            return capability == buildModifier;
+            return capability == buildModifierCapability;
         }
 
         @Override
         public <T> T getCapability(@Nonnull Capability<T> capability, @Nullable EnumFacing facing) {
-            if (capability == buildModifier) return buildModifier.<T>cast(inst);
+            if (capability == buildModifierCapability) return buildModifierCapability.<T>cast(inst);
             return null;
         }
 
         @Override
         public NBTBase serializeNBT() {
-            return buildModifier.getStorage().writeNBT(buildModifier, inst, null);
+            return buildModifierCapability.getStorage().writeNBT(buildModifierCapability, inst, null);
         }
 
         @Override
         public void deserializeNBT(NBTBase nbt) {
-            buildModifier.getStorage().readNBT(buildModifier, inst, null, nbt);
+            buildModifierCapability.getStorage().readNBT(buildModifierCapability, inst, null, nbt);
         }
     }
 
     // Allows for the capability to persist after death.
     @SubscribeEvent
     public static void clonePlayer(PlayerEvent.Clone event) {
-        IBuildModifier original = event.getOriginal().getCapability(buildModifier, null);
+        IBuildModifierCapability original = event.getOriginal().getCapability(buildModifierCapability, null);
-        IBuildModifier clone = event.getEntity().getCapability(buildModifier, null);
+        IBuildModifierCapability clone = event.getEntity().getCapability(buildModifierCapability, null);
         clone.setBuildModifierData(original.getBuildModifierData());
     }
 }

src/main/java/nl/requios/effortlessbuilding/command/CommandReach.java

@@ -0,0 +1,43 @@
+package nl.requios.effortlessbuilding.command;
+
+import net.minecraft.command.CommandBase;
+import net.minecraft.command.CommandException;
+import net.minecraft.command.ICommandSender;
+import net.minecraft.command.WrongUsageException;
+import net.minecraft.entity.player.EntityPlayerMP;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.util.text.TextComponentString;
+import nl.requios.effortlessbuilding.BuildSettingsManager;
+import nl.requios.effortlessbuilding.EffortlessBuilding;
+import nl.requios.effortlessbuilding.network.BuildSettingsMessage;
+
+public class CommandReach extends CommandBase {
+    @Override
+    public String getName() {
+        return "reach";
+    }
+
+    @Override
+    public String getUsage(ICommandSender sender) {
+        return "commands.reach.usage";
+    }
+
+    @Override
+    public void execute(MinecraftServer server, ICommandSender sender, String[] args) throws CommandException {
+        if (args.length != 1) {
+            throw new WrongUsageException("commands.reach.usage");
+        }
+
+        if (sender instanceof EntityPlayerMP) {
+            EntityPlayerMP player = (EntityPlayerMP) sender;
+            //Set reach level to args[0]
+            BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(player);
+            buildSettings.setReachUpgrade(Integer.valueOf(args[0]));
+            BuildSettingsManager.setBuildSettings(player, buildSettings);
+            //Send to client
+            EffortlessBuilding.packetHandler.sendTo(new BuildSettingsMessage(buildSettings), player);
+
+            sender.sendMessage(new TextComponentString("Reach level of " + sender.getName() + " set to " + buildSettings.getReachUpgrade()));
+        }
+    }
+}

src/main/java/nl/requios/effortlessbuilding/gui/ArraySettingsGui.java

@@ -0,0 +1,211 @@
+package nl.requios.effortlessbuilding.gui;
+
+import net.minecraft.client.gui.GuiButton;
+import net.minecraft.client.gui.GuiScreen;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.text.TextFormatting;
+import net.minecraftforge.fml.client.config.GuiCheckBox;
+import nl.requios.effortlessbuilding.Array;
+import nl.requios.effortlessbuilding.BuildSettingsManager;
+import nl.requios.effortlessbuilding.EffortlessBuilding;
+import nl.requios.effortlessbuilding.helper.ReachHelper;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class ArraySettingsGui extends GuiCollapsibleScrollEntry {
+
+    protected List<GuiNumberField> arrayNumberFieldList = new ArrayList<>();
+
+    private GuiCheckBox buttonArrayEnabled;
+    private GuiNumberField textArrayOffsetX, textArrayOffsetY, textArrayOffsetZ, textArrayCount;
+
+    public ArraySettingsGui(GuiScrollPane scrollPane) {
+        super(scrollPane);
+    }
+
+    @Override
+    public int initGui(int id, List<GuiButton> buttonList) {
+        id = super.initGui(id, buttonList);
+
+        int y = top;
+        buttonArrayEnabled = new GuiCheckBox(id++, left - 15 + 8, y, "", false);
+        buttonList.add(buttonArrayEnabled);
+
+        y = top + 20;
+        textArrayOffsetX = new GuiNumberField(id++, id++, id++, fontRenderer, buttonList, left + 70, y, 50, 18);
+        textArrayOffsetX.setNumber(0);
+        textArrayOffsetX.setTooltip("How much each copy is shifted.");
+        arrayNumberFieldList.add(textArrayOffsetX);
+
+        textArrayOffsetY = new GuiNumberField(id++, id++, id++, fontRenderer, buttonList, left + 140, y, 50, 18);
+        textArrayOffsetY.setNumber(0);
+        textArrayOffsetY.setTooltip("How much each copy is shifted.");
+        arrayNumberFieldList.add(textArrayOffsetY);
+
+        textArrayOffsetZ = new GuiNumberField(id++, id++, id++, fontRenderer, buttonList, left + 210, y, 50, 18);
+        textArrayOffsetZ.setNumber(0);
+        textArrayOffsetZ.setTooltip("How much each copy is shifted.");
+        arrayNumberFieldList.add(textArrayOffsetZ);
+
+        y = top + 50;
+        textArrayCount = new GuiNumberField(id++, id++, id++, fontRenderer, buttonList, left + 55, y, 50, 18);
+        textArrayCount.setNumber(5);
+        textArrayCount.setTooltip("How many copies should be made.");
+        arrayNumberFieldList.add(textArrayCount);
+
+        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(mc.player);
+        if (buildSettings != null) {
+            Array.ArraySettings a = buildSettings.getArraySettings();
+            buttonArrayEnabled.setIsChecked(a.enabled);
+            textArrayOffsetX.setNumber(a.offset.getX());
+            textArrayOffsetY.setNumber(a.offset.getY());
+            textArrayOffsetZ.setNumber(a.offset.getZ());
+            textArrayCount.setNumber(a.count);
+        }
+
+        setCollapsed(!buttonArrayEnabled.isChecked());
+
+        return id;
+    }
+
+    @Override
+    public void updateScreen() {
+        super.updateScreen();
+        arrayNumberFieldList.forEach(GuiNumberField::update);
+    }
+
+    @Override
+    public void drawEntry(int slotIndex, int x, int y, int listWidth, int slotHeight, int mouseX, int mouseY,
+                          boolean isSelected, float partialTicks) {
+        super.drawEntry(slotIndex, x, y, listWidth, slotHeight, mouseX, mouseY, isSelected, partialTicks);
+
+        int yy = y;
+        int offset = 8;
+
+        buttonArrayEnabled.drawButton(this.mc, mouseX, mouseY, partialTicks);
+        if (buttonArrayEnabled.isChecked()) {
+            buttonArrayEnabled.y = yy;
+            fontRenderer.drawString("Array enabled", left + offset, yy + 2, 0xFFFFFF, true);
+
+            yy = y + 20;
+            fontRenderer.drawString("Offset", left + offset, yy + 5, 0xFFFFFF, true);
+            fontRenderer.drawString("X", left + 50 + offset, yy + 5, 0xFFFFFF, true);
+            textArrayOffsetX.y = yy;
+            fontRenderer.drawString("Y", left + 120 + offset, yy + 5, 0xFFFFFF, true);
+            textArrayOffsetY.y = yy;
+            fontRenderer.drawString("Z", left + 190 + offset, yy + 5, 0xFFFFFF, true);
+            textArrayOffsetZ.y = yy;
+
+            yy = y + 50;
+            fontRenderer.drawString("Count", left + offset, yy + 5, 0xFFFFFF, true);
+            textArrayCount.y = yy;
+
+            int currentReach = Math.max(-1, getArrayReach());
+            int maxReach = ReachHelper.getMaxReach(mc.player);
+            TextFormatting reachColor = isCurrentReachValid(currentReach, maxReach) ? TextFormatting.GRAY : TextFormatting.RED;
+            String reachText = "Reach: " + reachColor + currentReach + TextFormatting.GRAY + "/" + TextFormatting.GRAY + maxReach;
+            fontRenderer.drawString(reachText, left + 176 + offset, yy + 5, 0xFFFFFF, true);
+
+            arrayNumberFieldList.forEach(numberField -> numberField.drawNumberField(this.mc, mouseX, mouseY, partialTicks));
+        } else {
+            buttonArrayEnabled.y = yy;
+            fontRenderer.drawString("Array disabled", left + offset, yy + 2, 0x999999, true);
+        }
+
+    }
+
+    public void drawTooltip(GuiScreen guiScreen, int mouseX, int mouseY) {
+        //Draw tooltips last
+        if (buttonArrayEnabled.isChecked())
+        {
+            arrayNumberFieldList.forEach(numberField -> numberField.drawTooltip(scrollPane.parent, mouseX, mouseY));
+        }
+    }
+
+    @Override
+    public void updatePosition(int slotIndex, int x, int y, float partialTicks) {
+        super.updatePosition(slotIndex, x, y, partialTicks);
+    }
+
+    @Override
+    public void keyTyped(char typedChar, int keyCode) throws IOException {
+        super.keyTyped(typedChar, keyCode);
+        for (GuiNumberField numberField : arrayNumberFieldList) {
+            numberField.keyTyped(typedChar, keyCode);
+        }
+    }
+
+    @Override
+    public boolean mousePressed(int slotIndex, int mouseX, int mouseY, int mouseEvent, int relativeX, int relativeY) {
+        super.mousePressed(slotIndex, mouseX, mouseY, mouseEvent, relativeX, relativeY);
+        arrayNumberFieldList.forEach(numberField -> numberField.mouseClicked(mouseX, mouseY, mouseEvent));
+
+        boolean insideArrayEnabledLabel = mouseX >= left && mouseX < right && relativeY >= -2 && relativeY < 12;
+
+        if (insideArrayEnabledLabel) {
+            buttonArrayEnabled.setIsChecked(!buttonArrayEnabled.isChecked());
+            buttonArrayEnabled.playPressSound(this.mc.getSoundHandler());
+            actionPerformed(buttonArrayEnabled);
+        }
+
+        return true;
+    }
+
+    @Override
+    public void actionPerformed(GuiButton button) {
+        super.actionPerformed(button);
+        if (button == buttonArrayEnabled) {
+            setCollapsed(!buttonArrayEnabled.isChecked());
+        }
+        arrayNumberFieldList.forEach(numberField -> numberField.actionPerformed(button));
+    }
+
+    public Array.ArraySettings getArraySettings() {
+        boolean arrayEnabled = buttonArrayEnabled.isChecked();
+        BlockPos arrayOffset = new BlockPos(0, 0, 0);
+        try {
+            arrayOffset = new BlockPos(textArrayOffsetX.getNumber(), textArrayOffsetY.getNumber(), textArrayOffsetZ.getNumber());
+        } catch (NumberFormatException | NullPointerException ex) {
+            EffortlessBuilding.log(mc.player, "Array offset not a valid number.");
+        }
+
+        int arrayCount = 5;
+        try {
+            arrayCount = (int) textArrayCount.getNumber();
+        } catch (NumberFormatException | NullPointerException ex) {
+            EffortlessBuilding.log(mc.player, "Array count not a valid number.");
+        }
+
+        return new Array.ArraySettings(arrayEnabled, arrayOffset, arrayCount);
+    }
+
+    @Override
+    protected String getName() {
+        return "Array";
+    }
+
+    @Override
+    protected int getExpandedHeight() {
+        return 80;
+    }
+
+    private int getArrayReach() {
+        try
+        {
+            //find largest offset
+            double x = Math.abs(textArrayOffsetX.getNumber());
+            double y = Math.abs(textArrayOffsetY.getNumber());
+            double z = Math.abs(textArrayOffsetZ.getNumber());
+            double largestOffset = Math.max(Math.max(x, y), z);
+            return (int) (largestOffset * textArrayCount.getNumber());
+        } catch (NumberFormatException | NullPointerException ex) {
+            return -1;
+        }
+    }
+
+    private boolean isCurrentReachValid(int currentReach, int maxReach) {
+        return currentReach <= maxReach && currentReach > -1;
+    }
+}

src/main/java/nl/requios/effortlessbuilding/gui/GuiCollapsibleScrollEntry.java

@@ -0,0 +1,103 @@
+package nl.requios.effortlessbuilding.gui;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.FontRenderer;
+import net.minecraft.client.gui.GuiButton;
+import net.minecraft.client.gui.GuiScreen;
+
+import java.io.IOException;
+import java.util.List;
+
+public abstract class GuiCollapsibleScrollEntry implements GuiScrollPane.IScrollEntry {
+
+    public GuiScrollPane scrollPane;
+    protected FontRenderer fontRenderer;
+    protected Minecraft mc;
+
+    protected boolean isCollapsed = true;
+    protected int left, right, top, bottom;
+
+    public GuiCollapsibleScrollEntry(GuiScrollPane scrollPane) {
+        this.scrollPane = scrollPane;
+        this.fontRenderer = scrollPane.fontRenderer;
+        this.mc = scrollPane.parent.mc;
+    }
+
+    @Override
+    public int initGui(int id, List<GuiButton> buttonList) {
+
+        left = scrollPane.width / 2 - 140;
+        right = scrollPane.width / 2 + 140;
+        top = scrollPane.height / 2 - 100;
+        bottom = scrollPane.height / 2 + 100;
+
+        return id;
+    }
+
+    @Override
+    public void updateScreen() {
+
+    }
+
+    @Override
+    public void drawEntry(int slotIndex, int x, int y, int listWidth, int slotHeight, int mouseX, int mouseY,
+                          boolean isSelected, float partialTicks) {
+
+    }
+
+    @Override
+    public void drawTooltip(GuiScreen guiScreen, int mouseX, int mouseY) {
+
+    }
+
+    @Override
+    public void updatePosition(int slotIndex, int x, int y, float partialTicks) {
+
+    }
+
+    @Override
+    public void keyTyped(char eventChar, int eventKey) throws IOException {
+
+    }
+
+    @Override
+    public boolean mousePressed(int slotIndex, int mouseX, int mouseY, int mouseEvent, int relativeX, int relativeY) {
+        return false;
+    }
+
+    @Override
+    public void mouseReleased(int slotIndex, int x, int y, int mouseEvent, int relativeX, int relativeY) {
+
+    }
+
+    @Override
+    public void actionPerformed(GuiButton button) {
+
+    }
+
+    @Override
+    public void onGuiClosed() {
+
+    }
+
+    @Override
+    public int getHeight() {
+        return isCollapsed ? getCollapsedHeight() : getExpandedHeight();
+    }
+
+    public void setCollapsed(boolean collapsed) {
+        this.isCollapsed = collapsed;
+    }
+
+    protected String getName() {
+        return "Collapsible scroll entry";
+    }
+
+    protected int getCollapsedHeight() {
+        return 24;
+    }
+
+    protected int getExpandedHeight() {
+        return 100;
+    }
+}

src/main/java/nl/requios/effortlessbuilding/gui/GuiIconButton.java

@@ -0,0 +1,75 @@
+package nl.requios.effortlessbuilding.gui;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.GuiButton;
+import net.minecraft.client.gui.GuiScreen;
+import net.minecraft.util.ResourceLocation;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class GuiIconButton extends GuiButton {
+
+    private final ResourceLocation resourceLocation;
+    private final int iconX, iconY, iconWidth, iconHeight, iconAltX, iconAltY;
+    List<String> tooltip = new ArrayList<>();
+    private boolean useAltIcon = false;
+
+    public GuiIconButton(int buttonId, int x, int y, int iconX, int iconY, ResourceLocation resourceLocation) {
+        this(buttonId, x, y, 20, 20, iconX, iconY, 20, 20, 20, 0, resourceLocation);
+    }
+
+    public GuiIconButton(int buttonId, int x, int y, int width, int height, int iconX, int iconY, int iconWidth, int iconHeight, int iconAltX, int iconAltY, ResourceLocation resourceLocation) {
+        super(buttonId, x, y, width, height, "");
+        this.iconX = iconX;
+        this.iconY = iconY;
+        this.iconWidth = iconWidth;
+        this.iconHeight = iconHeight;
+        this.iconAltX = iconAltX;
+        this.iconAltY = iconAltY;
+        this.resourceLocation = resourceLocation;
+    }
+
+    public void setTooltip(String tooltip) {
+        setTooltip(Arrays.asList(tooltip));
+    }
+
+    public void setTooltip(List<String> tooltip) {
+        this.tooltip = tooltip;
+    }
+
+    public void setUseAlternateIcon(boolean useAlternateIcon) {
+        this.useAltIcon = useAlternateIcon;
+    }
+
+    @Override
+    public void drawButton(Minecraft mc, int mouseX, int mouseY, float partialTicks) {
+        super.drawButton(mc, mouseX, mouseY, partialTicks);
+        if (this.visible)
+        {
+            this.hovered = mouseX >= this.x && mouseY >= this.y && mouseX < this.x + this.width && mouseY < this.y + this.height;
+            mc.getTextureManager().bindTexture(this.resourceLocation);
+            int currentIconX = this.iconX;
+            int currentIconY = this.iconY;
+
+            if (useAltIcon)
+            {
+                currentIconX += iconAltX;
+                currentIconY += iconAltY;
+            }
+
+            this.drawTexturedModalRect(this.x, this.y, currentIconX, currentIconY, this.iconWidth, this.iconHeight);
+        }
+    }
+
+    public void drawTooltip(GuiScreen guiScreen, int mouseX, int mouseY) {
+        boolean flag = mouseX >= x && mouseX < x + width && mouseY >= y && mouseY < y + height;
+
+        if (flag) {
+            List<String> textLines = new ArrayList<>();
+            textLines.addAll(tooltip);
+            guiScreen.drawHoveringText(textLines, mouseX - 10, mouseY + 25);
+        }
+    }
+}

src/main/java/nl/requios/effortlessbuilding/gui/GuiNumberField.java

@@ -0,0 +1,151 @@
+package nl.requios.effortlessbuilding.gui;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.*;
+import net.minecraft.util.text.TextFormatting;
+
+import java.io.IOException;
+import java.text.DecimalFormat;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class GuiNumberField extends Gui {
+
+    int x, y, width, height;
+    int buttonWidth = 10;
+
+    protected GuiTextField textField;
+    protected GuiButton minusButton, plusButton;
+
+    List<String> tooltip = new ArrayList<>();
+
+    public GuiNumberField(int id1, int id2, int id3, FontRenderer fontRenderer,
+                          List<GuiButton> buttonList, int x, int y, int width, int height) {
+        this.x = x;
+        this.y = y;
+        this.width = width;
+        this.height = height;
+
+        textField = new GuiTextField(id1, fontRenderer, x + buttonWidth + 1, y + 1, width - 2 * buttonWidth - 2, height - 2);
+        minusButton = new GuiButton(id2, x, y - 1, buttonWidth, height + 2, "-");
+        plusButton  = new GuiButton(id3, x + width - buttonWidth, y - 1, buttonWidth, height + 2, "+");
+
+        buttonList.add(minusButton);
+        buttonList.add(plusButton);
+    }
+
+    public void setNumber(double number) {
+        DecimalFormat format = new DecimalFormat("0.#");
+        textField.setText(format.format(number));
+    }
+
+    public double getNumber() {
+        if (textField.getText().isEmpty()) return 0;
+        return Double.parseDouble(textField.getText());
+    }
+
+    public void setTooltip(String tooltip) {
+        setTooltip(Arrays.asList(tooltip));
+    }
+
+    public void setTooltip(List<String> tooltip) {
+        this.tooltip = tooltip;
+    }
+
+    public boolean mouseClicked(int mouseX, int mouseY, int mouseButton) {
+        boolean result = textField.mouseClicked(mouseX, mouseY, mouseButton);
+
+        //Check if clicked inside textfield
+        boolean flag = mouseX >= x + buttonWidth && mouseX < x + width - buttonWidth && mouseY >= y && mouseY < y + height;
+
+        //Rightclicked inside textfield
+        if (flag && mouseButton == 1) {
+            textField.setText("");
+            textField.setFocused(true);
+            result = true;
+        }
+
+        return result;
+    }
+
+    public void drawNumberField(Minecraft mc, int mouseX, int mouseY, float partialTicks) {
+        textField.y = y + 1;
+        minusButton.y = y - 1;
+        plusButton.y = y - 1;
+
+        textField.drawTextBox();
+        minusButton.drawButton(mc, mouseX, mouseY, partialTicks);
+        plusButton.drawButton(mc, mouseX, mouseY, partialTicks);
+    }
+
+    public void drawTooltip(GuiScreen guiScreen, int mouseX, int mouseY) {
+        boolean insideTextField = mouseX >= x + buttonWidth && mouseX < x + width - buttonWidth && mouseY >= y && mouseY < y + height;
+        boolean insideMinusButton = mouseX >= x && mouseX < x + buttonWidth && mouseY >= y && mouseY < y + height;
+        boolean insidePlusButton = mouseX >= x + width - buttonWidth && mouseX < x + width && mouseY >= y && mouseY < y + height;
+
+        List<String> textLines = new ArrayList<>();
+
+        if (insideTextField) {
+            if (!tooltip.isEmpty())
+                textLines.addAll(tooltip);
+//            textLines.add(TextFormatting.GRAY + "Tip: try scrolling.");
+        }
+
+        if (insideMinusButton) {
+            textLines.add("Hold " + TextFormatting.AQUA + "shift " + TextFormatting.RESET + "for " + TextFormatting.RED + "10");
+            textLines.add("Hold " + TextFormatting.AQUA + "ctrl " + TextFormatting.RESET + "for " + TextFormatting.RED + "5");
+        }
+
+        if (insidePlusButton) {
+            textLines.add("Hold " + TextFormatting.AQUA + "shift " + TextFormatting.RESET + "for " + TextFormatting.DARK_GREEN + "10");
+            textLines.add("Hold " + TextFormatting.AQUA + "ctrl " + TextFormatting.RESET + "for " + TextFormatting.DARK_GREEN + "5");
+        }
+
+        guiScreen.drawHoveringText(textLines, mouseX - 10, mouseY + 25);
+
+    }
+
+    protected void actionPerformed(GuiButton button) {
+        float valueChanged = 1f;
+        if (GuiScreen.isCtrlKeyDown()) valueChanged = 5f;
+        if (GuiScreen.isShiftKeyDown()) valueChanged = 10f;
+
+        if (button == minusButton) {
+            setNumber(getNumber() - valueChanged);
+        }
+        if (button == plusButton) {
+            setNumber(getNumber() + valueChanged);
+        }
+    }
+
+    public void update() {
+        textField.updateCursorCounter();
+    }
+
+    protected void keyTyped(char typedChar, int keyCode) throws IOException {
+        if (!textField.isFocused()) return;
+//        if (Character.isDigit(typedChar) || typedChar == '.' || typedChar == '-' || keyCode == Keyboard.KEY_BACK
+//            || keyCode == Keyboard.KEY_DELETE || keyCode == Keyboard.KEY_LEFT || keyCode == Keyboard.KEY_RIGHT
+//            || keyCode == Keyboard.KEY_UP || keyCode == Keyboard.KEY_DOWN) {
+            textField.textboxKeyTyped(typedChar, keyCode);
+//        }
+    }
+
+    //Scroll inside textfield to change number
+//    public void handleMouseInput(int mouseX, int mouseY) {
+//        boolean insideTextField = mouseX >= x + buttonWidth && mouseX < x + width - buttonWidth && mouseY >= y && mouseY < y + height;
+//
+//        if (insideTextField)
+//        {
+//            int valueChanged = 0;
+//            if (Mouse.getEventDWheel() > 0)
+//                valueChanged = 1;
+//            if (Mouse.getEventDWheel() < 0)
+//                valueChanged = -1;
+//
+//            if (valueChanged != 0)
+//                setNumber(getNumber() + valueChanged);
+//        }
+//    }
+}

src/main/java/nl/requios/effortlessbuilding/gui/GuiScrollPane.java

@@ -0,0 +1,465 @@
+package nl.requios.effortlessbuilding.gui;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.FontRenderer;
+import net.minecraft.client.gui.GuiButton;
+import net.minecraft.client.gui.GuiListExtended;
+import net.minecraft.client.gui.GuiScreen;
+import net.minecraft.client.renderer.BufferBuilder;
+import net.minecraft.client.renderer.GlStateManager;
+import net.minecraft.client.renderer.Tessellator;
+import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
+import net.minecraft.util.math.MathHelper;
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
+import org.lwjgl.input.Mouse;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+@SideOnly(Side.CLIENT)
+public class GuiScrollPane extends GuiListExtended {
+
+    public GuiScreen parent;
+    public FontRenderer fontRenderer;
+    public List<IScrollEntry> listEntries;
+
+    public GuiScrollPane(GuiScreen parent, FontRenderer fontRenderer, int top, int bottom) {
+        super(parent.mc, parent.width, parent.height, top, bottom, 100);
+        this.parent = parent;
+        this.fontRenderer = fontRenderer;
+        this.setShowSelectionBox(false);
+        listEntries = new ArrayList<>();
+    }
+
+    @Override
+    public IGuiListEntry getListEntry(int index) {
+        return listEntries.get(index);
+    }
+
+    @Override
+    protected int getSize() {
+        return listEntries.size();
+    }
+
+    @Override
+    protected int getScrollBarX() {
+        //return width / 2 + 140 + 10;
+        return width - 15;
+    }
+
+    @Override
+    public int getListWidth() {
+        return 280;
+    }
+
+    //Removed background
+    @Override
+    public void drawScreen(int mouseXIn, int mouseYIn, float partialTicks)
+    {
+        if (this.visible)
+        {
+            this.mouseX = mouseXIn;
+            this.mouseY = mouseYIn;
+            int scrollBarLeft = this.getScrollBarX();
+            int scrollBarRight = scrollBarLeft + 6;
+            this.bindAmountScrolled();
+            GlStateManager.disableLighting();
+            GlStateManager.disableFog();
+
+            Tessellator tessellator = Tessellator.getInstance();
+            BufferBuilder bufferbuilder = tessellator.getBuffer();
+            int insideLeft = this.left + this.width / 2 - this.getListWidth() / 2 + 2;
+            int insideTop = this.top + 4 - (int)this.amountScrolled;
+
+            if (this.hasListHeader) {
+                this.drawListHeader(insideLeft, insideTop, tessellator);
+            }
+
+            //All entries
+            this.drawSelectionBox(insideLeft, insideTop, mouseXIn, mouseYIn, partialTicks);
+            GlStateManager.disableDepth();
+
+            //Dirt overlays on top and bottom
+//            this.overlayBackground(0, this.top, 255, 255);
+//            this.overlayBackground(this.bottom, this.height, 255, 255);
+
+            GlStateManager.enableBlend();
+            GlStateManager.tryBlendFuncSeparate(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA, GlStateManager.SourceFactor.ZERO, GlStateManager.DestFactor.ONE);
+            GlStateManager.disableAlpha();
+            GlStateManager.shadeModel(7425);
+            GlStateManager.disableTexture2D();
+
+//            //top fade
+//            bufferbuilder.begin(7, DefaultVertexFormats.POSITION_TEX_COLOR);
+//            bufferbuilder.pos((double)this.left, (double)(this.top + 5), 0.0D).tex(0.0D, 1.0D).color(100, 100, 100, 0).endVertex();
+//            bufferbuilder.pos((double)this.right, (double)(this.top + 5), 0.0D).tex(1.0D, 1.0D).color(100, 100, 100, 0).endVertex();
+//            bufferbuilder.pos((double)this.right, (double)this.top, 0.0D).tex(1.0D, 0.0D).color(100, 100, 100, 100).endVertex();
+//            bufferbuilder.pos((double)this.left, (double)this.top, 0.0D).tex(0.0D, 0.0D).color(100, 100, 100, 100).endVertex();
+//            tessellator.draw();
+
+//            //top line
+//            bufferbuilder.begin(7, DefaultVertexFormats.POSITION_TEX_COLOR);
+//            bufferbuilder.pos((double)this.left, (double)this.top, 0.0D).tex(0.0D, 1.0D).color(20, 20, 20, 255).endVertex();
+//            bufferbuilder.pos((double)this.right, (double)this.top, 0.0D).tex(1.0D, 1.0D).color(20, 20, 20, 255).endVertex();
+//            bufferbuilder.pos((double)this.right, (double)(this.top - 1), 0.0D).tex(1.0D, 0.0D).color(20, 20, 20, 255).endVertex();
+//            bufferbuilder.pos((double)this.left, (double)(this.top - 1), 0.0D).tex(0.0D, 0.0D).color(20, 20, 20, 255).endVertex();
+//            tessellator.draw();
+
+//            //bottom fade
+//            bufferbuilder.begin(7, DefaultVertexFormats.POSITION_TEX_COLOR);
+//            bufferbuilder.pos((double)this.left, (double)this.bottom, 0.0D).tex(0.0D, 1.0D).color(10, 10, 10, 100).endVertex();
+//            bufferbuilder.pos((double)this.right, (double)this.bottom, 0.0D).tex(1.0D, 1.0D).color(10, 10, 10, 100).endVertex();
+//            bufferbuilder.pos((double)this.right, (double)(this.bottom - 5), 0.0D).tex(1.0D, 0.0D).color(10, 10, 10, 0).endVertex();
+//            bufferbuilder.pos((double)this.left, (double)(this.bottom - 5), 0.0D).tex(0.0D, 0.0D).color(10, 10, 10, 0).endVertex();
+//            tessellator.draw();
+
+//            //bottom line
+//            bufferbuilder.begin(7, DefaultVertexFormats.POSITION_TEX_COLOR);
+//            bufferbuilder.pos((double)this.left, (double)(this.bottom + 1), 0.0D).tex(0.0D, 1.0D).color(20, 20, 20, 255).endVertex();
+//            bufferbuilder.pos((double)this.right, (double)(this.bottom + 1), 0.0D).tex(1.0D, 1.0D).color(20, 20, 20, 255).endVertex();
+//            bufferbuilder.pos((double)this.right, (double)this.bottom, 0.0D).tex(1.0D, 0.0D).color(20, 20, 20, 255).endVertex();
+//            bufferbuilder.pos((double)this.left, (double)this.bottom, 0.0D).tex(0.0D, 0.0D).color(20, 20, 20, 255).endVertex();
+//            tessellator.draw();
+
+            //Draw scrollbar
+            int maxScroll = this.getMaxScroll();
+            if (maxScroll > 0)
+            {
+                int k1 = (this.bottom - this.top) * (this.bottom - this.top) / this.getContentHeight();
+                k1 = MathHelper.clamp(k1, 32, this.bottom - this.top - 8);
+                int l1 = (int)this.amountScrolled * (this.bottom - this.top - k1) / maxScroll + this.top;
+
+                if (l1 < this.top)
+                {
+                    l1 = this.top;
+                }
+
+                bufferbuilder.begin(7, DefaultVertexFormats.POSITION_TEX_COLOR);
+                bufferbuilder.pos((double)scrollBarLeft, (double)this.bottom, 0.0D).tex(0.0D, 1.0D).color(0, 0, 0, 255).endVertex();
+                bufferbuilder.pos((double)scrollBarRight, (double)this.bottom, 0.0D).tex(1.0D, 1.0D).color(0, 0, 0, 255).endVertex();
+                bufferbuilder.pos((double)scrollBarRight, (double)this.top, 0.0D).tex(1.0D, 0.0D).color(0, 0, 0, 255).endVertex();
+                bufferbuilder.pos((double)scrollBarLeft, (double)this.top, 0.0D).tex(0.0D, 0.0D).color(0, 0, 0, 255).endVertex();
+                tessellator.draw();
+
+                bufferbuilder.begin(7, DefaultVertexFormats.POSITION_TEX_COLOR);
+                bufferbuilder.pos((double)scrollBarLeft, (double)(l1 + k1), 0.0D).tex(0.0D, 1.0D).color(128, 128, 128, 255).endVertex();
+                bufferbuilder.pos((double)scrollBarRight, (double)(l1 + k1), 0.0D).tex(1.0D, 1.0D).color(128, 128, 128, 255).endVertex();
+                bufferbuilder.pos((double)scrollBarRight, (double)l1, 0.0D).tex(1.0D, 0.0D).color(128, 128, 128, 255).endVertex();
+                bufferbuilder.pos((double)scrollBarLeft, (double)l1, 0.0D).tex(0.0D, 0.0D).color(128, 128, 128, 255).endVertex();
+                tessellator.draw();
+
+                bufferbuilder.begin(7, DefaultVertexFormats.POSITION_TEX_COLOR);
+                bufferbuilder.pos((double)scrollBarLeft, (double)(l1 + k1 - 1), 0.0D).tex(0.0D, 1.0D).color(192, 192, 192, 255).endVertex();
+                bufferbuilder.pos((double)(scrollBarRight - 1), (double)(l1 + k1 - 1), 0.0D).tex(1.0D, 1.0D).color(192, 192, 192, 255).endVertex();
+                bufferbuilder.pos((double)(scrollBarRight - 1), (double)l1, 0.0D).tex(1.0D, 0.0D).color(192, 192, 192, 255).endVertex();
+                bufferbuilder.pos((double)scrollBarLeft, (double)l1, 0.0D).tex(0.0D, 0.0D).color(192, 192, 192, 255).endVertex();
+                tessellator.draw();
+            }
+
+            GlStateManager.enableTexture2D();
+            GlStateManager.shadeModel(7424);
+            GlStateManager.enableAlpha();
+            GlStateManager.disableBlend();
+        }
+    }
+
+    //SLOTHEIGHT MODIFICATIONS
+    //SlotHeight is still relied on for determining how much to scroll
+    @Override
+    protected int getContentHeight() {
+        //Add every entry height
+        int height = this.headerPadding;
+        for (IScrollEntry entry : listEntries) {
+            height += entry.getHeight();
+        }
+        return height;
+    }
+
+    public int getContentHeight(int count) {
+        //Add all count entry heights
+        int height = this.headerPadding;
+        for (int i = 0; i < count; i++) {
+            IScrollEntry entry = listEntries.get(i);
+            height += entry.getHeight();
+        }
+        return height;
+    }
+
+    @Override
+    public int getSlotIndexFromScreenCoords(int posX, int posY) {
+        int left = this.left + (this.width - this.getListWidth()) / 2;
+        int right = this.left + (this.width + this.getListWidth()) / 2;
+        int relativeMouseY = getRelativeMouseY(mouseY, 0);
+
+        //Iterate over every entry until relativeMouseY falls within its height
+        for (int i = 0; i < listEntries.size(); i++) {
+            IScrollEntry entry = listEntries.get(i);
+            if (relativeMouseY <= entry.getHeight())
+                return posX < this.getScrollBarX() && posX >= left && posX <= right && i >= 0 &&
+                       relativeMouseY >= 0 && i < this.getSize() ? i : -1;
+            relativeMouseY -= entry.getHeight();
+        }
+        return -1;
+    }
+
+    @Override
+    public boolean mouseClicked(int mouseX, int mouseY, int mouseEvent)
+    {
+        int selectedSlot = this.getSlotIndexFromScreenCoords(mouseX, mouseY);
+        int relativeX = getRelativeMouseX(mouseX);
+
+        //Always pass through mouseclicked, to be able to unfocus textfields
+        for (int i = 0; i < this.listEntries.size(); i++) {
+            int relativeY = getRelativeMouseY(mouseY, i);
+            this.getListEntry(i).mousePressed(selectedSlot, mouseX, mouseY, mouseEvent, relativeX, relativeY);
+        }
+
+
+//        if (this.isMouseYWithinSlotBounds(mouseY))
+//        {
+//            int i = this.getSlotIndexFromScreenCoords(mouseX, mouseY);
+//
+//            if (i >= 0)
+//            {
+//                int relativeX = getRelativeMouseX(mouseX);
+//                int relativeY = getRelativeMouseY(mouseY, i);
+//
+//                if (this.getListEntry(i).mousePressed(i, mouseX, mouseY, mouseEvent, relativeX, relativeY))
+//                {
+//                    this.setEnabled(false);
+//                    return true;
+//                }
+//            }
+//        }
+
+        return false;
+    }
+
+    @Override
+    public boolean mouseReleased(int x, int y, int mouseEvent)
+    {
+        for (int i = 0; i < this.getSize(); ++i)
+        {
+            int relativeX = getRelativeMouseX(mouseX);
+            int relativeY = getRelativeMouseY(mouseY, i);
+            this.getListEntry(i).mouseReleased(i, x, y, mouseEvent, relativeX, relativeY);
+        }
+
+        this.setEnabled(true);
+        return false;
+    }
+
+    @Override
+    public void handleMouseInput() {
+        if (this.isMouseYWithinSlotBounds(this.mouseY)) {
+            if (Mouse.getEventButton() == 0 && Mouse.getEventButtonState() && this.mouseY >= this.top &&
+                this.mouseY <= this.bottom) {
+                int i = this.left + (this.width - this.getListWidth()) / 2;
+                int j = this.left + (this.width + this.getListWidth()) / 2;
+                int slotIndex = getSlotIndexFromScreenCoords(this.mouseX, this.mouseY);
+                int relativeMouseY = getRelativeMouseY(mouseY, slotIndex);
+
+                if (slotIndex > -1) {
+                    this.elementClicked(slotIndex, false, this.mouseX, this.mouseY);
+                    this.selectedElement = slotIndex;
+                } else if (this.mouseX >= i && this.mouseX <= j && relativeMouseY < 0) {
+                    this.clickedHeader(this.mouseX - i, this.mouseY - this.top + (int) this.amountScrolled - 4);
+                }
+            }
+
+            if (Mouse.isButtonDown(0) && this.getEnabled()) {
+                if (this.initialClickY == -1) {
+                    boolean flag1 = true;
+
+                    if (this.mouseY >= this.top && this.mouseY <= this.bottom) {
+                        int i2 = this.left + (this.width - this.getListWidth()) / 2;
+                        int j2 = this.left + (this.width + this.getListWidth()) / 2;
+                        int slotIndex = getSlotIndexFromScreenCoords(this.mouseX, this.mouseY);
+                        int relativeMouseY = getRelativeMouseY(mouseY, slotIndex);
+
+                        if (slotIndex > -1) {
+                            boolean flag = slotIndex == this.selectedElement &&
+                                           Minecraft.getSystemTime() - this.lastClicked < 250L;
+                            this.elementClicked(slotIndex, flag, this.mouseX, this.mouseY);
+                            this.selectedElement = slotIndex;
+                            this.lastClicked = Minecraft.getSystemTime();
+                        } else if (this.mouseX >= i2 && this.mouseX <= j2 && relativeMouseY < 0) {
+                            this.clickedHeader(this.mouseX - i2,
+                                    this.mouseY - this.top + (int) this.amountScrolled - 4);
+                            flag1 = false;
+                        }
+
+                        int i3 = this.getScrollBarX();
+                        int j1 = i3 + 6;
+
+                        if (this.mouseX >= i3 && this.mouseX <= j1) {
+                            this.scrollMultiplier = -1.0F;
+                            int maxScroll = this.getMaxScroll();
+
+                            if (maxScroll < 1) {
+                                maxScroll = 1;
+                            }
+
+                            int l1 = (int) ((float) ((this.bottom - this.top) * (this.bottom - this.top)) /
+                                            (float) this.getContentHeight());
+                            l1 = MathHelper.clamp(l1, 32, this.bottom - this.top - 8);
+                            this.scrollMultiplier /= (float) (this.bottom - this.top - l1) / (float) maxScroll;
+                        } else {
+                            this.scrollMultiplier = 1.0F;
+                        }
+
+                        if (flag1) {
+                            this.initialClickY = this.mouseY;
+                        } else {
+                            this.initialClickY = -2;
+                        }
+                    } else {
+                        this.initialClickY = -2;
+                    }
+                } else if (this.initialClickY >= 0) {
+                    this.amountScrolled -= (float) (this.mouseY - this.initialClickY) * this.scrollMultiplier;
+                    this.initialClickY = this.mouseY;
+                }
+            } else {
+                this.initialClickY = -1;
+            }
+
+            int i2 = Mouse.getEventDWheel();
+
+            if (i2 != 0) {
+                if (i2 > 0) {
+                    i2 = -1;
+                } else if (i2 < 0) {
+                    i2 = 1;
+                }
+
+                this.amountScrolled += (float) (i2 * this.slotHeight / 2);
+            }
+        }
+    }
+
+    //Draw in center if it fits
+    @Override
+    protected void drawSelectionBox(int insideLeft, int insideTop, int mouseXIn, int mouseYIn, float partialTicks)
+    {
+        int size = this.getSize();
+        Tessellator tessellator = Tessellator.getInstance();
+        BufferBuilder bufferbuilder = tessellator.getBuffer();
+
+        //Find y to start with
+        int y = this.headerPadding + insideTop;
+        int contentHeight = getContentHeight();
+        int insideHeight = this.bottom - this.top - 4;
+
+        if (contentHeight < insideHeight) {
+            //it fits, so we can center it vertically
+            y += (insideHeight - contentHeight) / 2;
+        }
+
+        //Draw all entries
+        for (int i = 0; i < size; ++i)
+        {
+            int entryHeight = listEntries.get(i).getHeight();
+            int entryHeight2 = entryHeight - 4;
+
+            if (y > this.bottom || y + entryHeight2 < this.top)
+            {
+                this.updateItemPos(i, insideLeft, y, partialTicks);
+            }
+
+            if (this.showSelectionBox && this.isSelected(i))
+            {
+                int i1 = this.left + this.width / 2 - this.getListWidth() / 2;
+                int j1 = this.left + this.width / 2 + this.getListWidth() / 2;
+                GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
+                GlStateManager.disableTexture2D();
+                bufferbuilder.begin(7, DefaultVertexFormats.POSITION_TEX_COLOR);
+                bufferbuilder.pos((double)i1, (double)(y + entryHeight2 + 2), 0.0D).tex(0.0D, 1.0D).color(128, 128, 128, 255).endVertex();
+                bufferbuilder.pos((double)j1, (double)(y + entryHeight2 + 2), 0.0D).tex(1.0D, 1.0D).color(128, 128, 128, 255).endVertex();
+                bufferbuilder.pos((double)j1, (double)(y - 2), 0.0D).tex(1.0D, 0.0D).color(128, 128, 128, 255).endVertex();
+                bufferbuilder.pos((double)i1, (double)(y - 2), 0.0D).tex(0.0D, 0.0D).color(128, 128, 128, 255).endVertex();
+                bufferbuilder.pos((double)(i1 + 1), (double)(y + entryHeight2 + 1), 0.0D).tex(0.0D, 1.0D).color(0, 0, 0, 255).endVertex();
+                bufferbuilder.pos((double)(j1 - 1), (double)(y + entryHeight2 + 1), 0.0D).tex(1.0D, 1.0D).color(0, 0, 0, 255).endVertex();
+                bufferbuilder.pos((double)(j1 - 1), (double)(y - 1), 0.0D).tex(1.0D, 0.0D).color(0, 0, 0, 255).endVertex();
+                bufferbuilder.pos((double)(i1 + 1), (double)(y - 1), 0.0D).tex(0.0D, 0.0D).color(0, 0, 0, 255).endVertex();
+                tessellator.draw();
+                GlStateManager.enableTexture2D();
+            }
+
+            this.drawSlot(i, insideLeft, y, entryHeight2, mouseXIn, mouseYIn, partialTicks);
+            y += entryHeight;
+        }
+    }
+
+    private int getRelativeMouseX(int mouseX) {
+        int j = this.left + this.width / 2 - this.getListWidth() / 2 + 2;
+        return mouseX - j;
+    }
+
+    private int getRelativeMouseY(int mouseY, int contentIndex) {
+        int k = this.top + 4 - this.getAmountScrolled() + getContentHeight(contentIndex) + this.headerPadding;
+        int relativeMouseY = mouseY - k;
+
+        //Content might be centered, adjust relative mouse y accordingly
+        int contentHeight = getContentHeight();
+        int insideHeight = this.bottom - this.top - 4;
+
+        if (contentHeight < insideHeight) {
+            //it fits, so we can center it vertically
+            relativeMouseY -= (insideHeight - contentHeight) / 2;
+        }
+        return relativeMouseY;
+    }
+
+    //PASSTHROUGHS
+    public int initGui(int id, List<GuiButton> buttonList) {
+        for (IScrollEntry entry : this.listEntries) {
+            id = entry.initGui(id, buttonList);
+        }
+        registerScrollButtons(id++, id++);
+        return id;
+    }
+
+    public void updateScreen() {
+        for (IScrollEntry entry : this.listEntries)
+            entry.updateScreen();
+    }
+
+    public void drawTooltip(GuiScreen guiScreen, int mouseX, int mouseY) {
+        for (IScrollEntry entry : this.listEntries)
+            entry.drawTooltip(guiScreen, mouseX, mouseY);
+    }
+
+    public void keyTyped(char eventChar, int eventKey) throws IOException {
+        for (IScrollEntry entry : this.listEntries)
+            entry.keyTyped(eventChar, eventKey);
+    }
+
+    public void actionPerformed(GuiButton button) {
+        for (IScrollEntry entry : this.listEntries)
+            entry.actionPerformed(button);
+    }
+
+    public void onGuiClosed() {
+        for (IScrollEntry entry : this.listEntries)
+            entry.onGuiClosed();
+    }
+
+    public interface IScrollEntry extends GuiListExtended.IGuiListEntry {
+        int initGui(int id, List<GuiButton> buttonList);
+
+        void updateScreen();
+
+        void drawTooltip(GuiScreen guiScreen, int mouseX, int mouseY);
+
+        void keyTyped(char eventChar, int eventKey) throws IOException;
+
+        void actionPerformed(GuiButton button);
+
+        void onGuiClosed();
+
+        int getHeight();
+    }
+}

src/main/java/nl/requios/effortlessbuilding/gui/MirrorSettingsGui.java

@@ -0,0 +1,295 @@
+package nl.requios.effortlessbuilding.gui;
+
+import net.minecraft.client.gui.GuiButton;
+import net.minecraft.client.gui.GuiScreen;
+import net.minecraft.util.ResourceLocation;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.util.text.TextFormatting;
+import net.minecraftforge.fml.client.config.GuiCheckBox;
+import nl.requios.effortlessbuilding.BuildSettingsManager;
+import nl.requios.effortlessbuilding.EffortlessBuilding;
+import nl.requios.effortlessbuilding.Mirror;
+import nl.requios.effortlessbuilding.helper.ReachHelper;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class MirrorSettingsGui extends GuiCollapsibleScrollEntry {
+
+    protected static final ResourceLocation BUILDING_ICONS = new ResourceLocation(EffortlessBuilding.MODID, "textures/gui/building_icons.png");
+
+    protected List<GuiButton> mirrorButtonList = new ArrayList<>();
+    protected List<GuiIconButton> mirrorIconButtonList = new ArrayList<>();
+    protected List<GuiNumberField> mirrorNumberFieldList = new ArrayList<>();
+
+    private GuiNumberField textMirrorPosX, textMirrorPosY, textMirrorPosZ, textMirrorRadius;
+    private GuiCheckBox buttonMirrorEnabled, buttonMirrorX, buttonMirrorY, buttonMirrorZ;
+    private GuiIconButton buttonCurrentPosition, buttonToggleOdd, buttonDrawPlanes, buttonDrawLines;
+    private boolean drawPlanes, drawLines, toggleOdd;
+
+    public MirrorSettingsGui(GuiScrollPane scrollPane) {
+        super(scrollPane);
+    }
+
+    @Override
+    public int initGui(int id, List<GuiButton> buttonList) {
+        id = super.initGui(id, buttonList);
+
+        int y = top - 2;
+        buttonMirrorEnabled = new GuiCheckBox(id++, left - 15 + 8, y, "", false);
+        buttonList.add(buttonMirrorEnabled);
+
+        y = top + 18;
+        textMirrorPosX = new GuiNumberField(id++, id++, id++, fontRenderer, buttonList, left + 58, y, 62, 18);
+        textMirrorPosX.setNumber(0);
+        textMirrorPosX.setTooltip(
+                Arrays.asList("The position of the mirror.", TextFormatting.GRAY + "For odd numbered builds add 0.5."));
+        mirrorNumberFieldList.add(textMirrorPosX);
+
+        textMirrorPosY = new GuiNumberField(id++, id++, id++, fontRenderer, buttonList, left + 138, y, 62, 18);
+        textMirrorPosY.setNumber(64);
+        textMirrorPosY.setTooltip(Arrays.asList("The position of the mirror.", TextFormatting.GRAY + "For odd numbered builds add 0.5."));
+        mirrorNumberFieldList.add(textMirrorPosY);
+
+        textMirrorPosZ = new GuiNumberField(id++, id++, id++, fontRenderer, buttonList, left + 218, y, 62, 18);
+        textMirrorPosZ.setNumber(0);
+        textMirrorPosZ.setTooltip(Arrays.asList("The position of the mirror.", TextFormatting.GRAY + "For odd numbered builds add 0.5."));
+        mirrorNumberFieldList.add(textMirrorPosZ);
+
+        y = top + 50;
+        buttonMirrorX = new GuiCheckBox(id++, left + 60, y, " X", true);
+        mirrorButtonList.add(buttonMirrorX);
+
+        buttonMirrorY = new GuiCheckBox(id++, left + 100, y, " Y", false);
+        mirrorButtonList.add(buttonMirrorY);
+
+        buttonMirrorZ = new GuiCheckBox(id++, left + 140, y, " Z", false);
+        mirrorButtonList.add(buttonMirrorZ);
+
+        y = top + 47;
+        textMirrorRadius = new GuiNumberField(id++, id++, id++, fontRenderer, buttonList, left + 218, y, 62, 18);
+        textMirrorRadius.setNumber(50);
+        //TODO change to diameter (remove /2)
+        textMirrorRadius.setTooltip(Arrays.asList("How far the mirror reaches in any direction.",
+                TextFormatting.GRAY + "Max: " + TextFormatting.GOLD + ReachHelper.getMaxReach(mc.player) / 2,
+                TextFormatting.GRAY + "Upgradeable in survival with reach upgrades."));
+        mirrorNumberFieldList.add(textMirrorRadius);
+
+        y = top + 72;
+        buttonCurrentPosition = new GuiIconButton(id++, left + 5, y, 0, 0, BUILDING_ICONS);
+        buttonCurrentPosition.setTooltip("Set mirror position to current player position");
+        mirrorIconButtonList.add(buttonCurrentPosition);
+
+        buttonToggleOdd = new GuiIconButton(id++, left + 35, y, 0, 20, BUILDING_ICONS);
+        buttonToggleOdd.setTooltip(Arrays.asList("Set mirror position to middle of block", "for odd numbered builds"));
+        mirrorIconButtonList.add(buttonToggleOdd);
+
+        buttonDrawLines = new GuiIconButton(id++, left + 65, y, 0, 40, BUILDING_ICONS);
+        buttonDrawLines.setTooltip("Show lines");
+        mirrorIconButtonList.add(buttonDrawLines);
+
+        buttonDrawPlanes = new GuiIconButton(id++, left + 95, y, 0, 60, BUILDING_ICONS);
+        buttonDrawPlanes.setTooltip("Show area");
+        mirrorIconButtonList.add(buttonDrawPlanes);
+
+        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(mc.player);
+        if (buildSettings != null) {
+            Mirror.MirrorSettings m = buildSettings.getMirrorSettings();
+            buttonMirrorEnabled.setIsChecked(m.enabled);
+            textMirrorPosX.setNumber(m.position.x);
+            textMirrorPosY.setNumber(m.position.y);
+            textMirrorPosZ.setNumber(m.position.z);
+            buttonMirrorX.setIsChecked(m.mirrorX);
+            buttonMirrorY.setIsChecked(m.mirrorY);
+            buttonMirrorZ.setIsChecked(m.mirrorZ);
+            textMirrorRadius.setNumber(m.radius);
+            drawLines = m.drawLines;
+            drawPlanes = m.drawPlanes;
+            buttonDrawLines.setUseAlternateIcon(drawLines);
+            buttonDrawPlanes.setUseAlternateIcon(drawPlanes);
+            buttonDrawLines.setTooltip(drawLines ? "Hide lines" : "Show lines");
+            buttonDrawPlanes.setTooltip(drawPlanes ? "Hide area" : "Show area");
+            if (textMirrorPosX.getNumber() == Math.floor(textMirrorPosX.getNumber())) {
+                toggleOdd = false;
+                buttonToggleOdd.setTooltip(Arrays.asList("Set mirror position to middle of block", "for odd numbered builds"));
+            } else {
+                toggleOdd = true;
+                buttonToggleOdd.setTooltip(Arrays.asList("Set mirror position to corner of block", "for even numbered builds"));
+            }
+            buttonToggleOdd.setUseAlternateIcon(toggleOdd);
+        }
+
+        buttonList.addAll(mirrorButtonList);
+        buttonList.addAll(mirrorIconButtonList);
+
+        setCollapsed(!buttonMirrorEnabled.isChecked());
+
+        return id;
+    }
+
+    @Override
+    public void updateScreen() {
+        super.updateScreen();
+        mirrorNumberFieldList.forEach(GuiNumberField::update);
+    }
+
+    @Override
+    public void drawEntry(int slotIndex, int x, int y, int listWidth, int slotHeight, int mouseX, int mouseY,
+                          boolean isSelected, float partialTicks) {
+        super.drawEntry(slotIndex, x, y, listWidth, slotHeight, mouseX, mouseY, isSelected, partialTicks);
+
+        int yy = y;
+        int offset = 8;
+
+        buttonMirrorEnabled.drawButton(this.mc, mouseX, mouseY, partialTicks);
+        if (buttonMirrorEnabled.isChecked()) {
+            buttonMirrorEnabled.y = yy;
+            fontRenderer.drawString("Mirror enabled", left + offset, yy + 2, 0xFFFFFF, true);
+
+            yy = y + 18;
+            fontRenderer.drawString("Position", left + offset, yy + 5, 0xFFFFFF, true);
+            fontRenderer.drawString("X", left + 40 + offset, yy + 5, 0xFFFFFF, true);
+            textMirrorPosX.y = yy;
+            fontRenderer.drawString("Y", left + 120 + offset, yy + 5, 0xFFFFFF, true);
+            textMirrorPosY.y = yy;
+            fontRenderer.drawString("Z", left + 200 + offset, yy + 5, 0xFFFFFF, true);
+            textMirrorPosZ.y = yy;
+
+            yy = y + 50;
+            fontRenderer.drawString("Direction", left + offset, yy + 2, 0xFFFFFF, true);
+            buttonMirrorX.y = yy;
+            buttonMirrorY.y = yy;
+            buttonMirrorZ.y = yy;
+            fontRenderer.drawString("Radius", left + 176 + offset, yy + 2, 0xFFFFFF, true);
+            textMirrorRadius.y = yy - 3;
+
+            yy = y + 72;
+            buttonCurrentPosition.y = yy;
+            buttonToggleOdd.y = yy;
+            buttonDrawLines.y = yy;
+            buttonDrawPlanes.y = yy;
+
+            mirrorButtonList.forEach(button -> button.drawButton(this.mc, mouseX, mouseY, partialTicks));
+            mirrorIconButtonList.forEach(button -> button.drawButton(this.mc, mouseX, mouseY, partialTicks));
+            mirrorNumberFieldList.forEach(numberField -> numberField.drawNumberField(this.mc, mouseX, mouseY, partialTicks));
+        } else {
+            buttonMirrorEnabled.y = yy;
+            fontRenderer.drawString("Mirror disabled", left + offset, yy + 2, 0x999999, true);
+        }
+
+    }
+
+    public void drawTooltip(GuiScreen guiScreen, int mouseX, int mouseY) {
+        //Draw tooltips last
+        if (buttonMirrorEnabled.isChecked())
+        {
+            mirrorIconButtonList.forEach(iconButton -> iconButton.drawTooltip(scrollPane.parent, mouseX, mouseY));
+            mirrorNumberFieldList.forEach(numberField -> numberField.drawTooltip(scrollPane.parent, mouseX, mouseY));
+        }
+    }
+
+    @Override
+    public void updatePosition(int slotIndex, int x, int y, float partialTicks) {
+        super.updatePosition(slotIndex, x, y, partialTicks);
+    }
+
+    @Override
+    public void keyTyped(char typedChar, int keyCode) throws IOException {
+        super.keyTyped(typedChar, keyCode);
+        for (GuiNumberField numberField : mirrorNumberFieldList) {
+            numberField.keyTyped(typedChar, keyCode);
+        }
+    }
+
+    @Override
+    public boolean mousePressed(int slotIndex, int mouseX, int mouseY, int mouseEvent, int relativeX, int relativeY) {
+        super.mousePressed(slotIndex, mouseX, mouseY, mouseEvent, relativeX, relativeY);
+        mirrorNumberFieldList.forEach(numberField -> numberField.mouseClicked(mouseX, mouseY, mouseEvent));
+
+        boolean insideMirrorEnabledLabel = mouseX >= left && mouseX < right && relativeY >= -2 && relativeY < 12;
+
+        if (insideMirrorEnabledLabel) {
+            buttonMirrorEnabled.setIsChecked(!buttonMirrorEnabled.isChecked());
+            buttonMirrorEnabled.playPressSound(this.mc.getSoundHandler());
+            actionPerformed(buttonMirrorEnabled);
+        }
+
+        return true;
+    }
+
+    @Override
+    public void actionPerformed(GuiButton button) {
+        super.actionPerformed(button);
+        if (button == buttonMirrorEnabled) {
+            setCollapsed(!buttonMirrorEnabled.isChecked());
+        }
+        if (button == buttonCurrentPosition) {
+            Vec3d pos = new Vec3d(Math.floor(mc.player.posX) + 0.5, Math.floor(mc.player.posY) + 0.5, Math.floor(mc.player.posZ) + 0.5);
+            textMirrorPosX.setNumber(pos.x);
+            textMirrorPosY.setNumber(pos.y);
+            textMirrorPosZ.setNumber(pos.z);
+        }
+        if (button == buttonToggleOdd) {
+            toggleOdd = !toggleOdd;
+            buttonToggleOdd.setUseAlternateIcon(toggleOdd);
+            if (toggleOdd) {
+                buttonToggleOdd.setTooltip(Arrays.asList("Set mirror position to corner of block", "for even numbered builds"));
+                textMirrorPosX.setNumber(textMirrorPosX.getNumber() + 0.5);
+                textMirrorPosY.setNumber(textMirrorPosY.getNumber() + 0.5);
+                textMirrorPosZ.setNumber(textMirrorPosZ.getNumber() + 0.5);
+            } else {
+                buttonToggleOdd.setTooltip(Arrays.asList("Set mirror position to middle of block", "for odd numbered builds"));
+                textMirrorPosX.setNumber(Math.floor(textMirrorPosX.getNumber()));
+                textMirrorPosY.setNumber(Math.floor(textMirrorPosY.getNumber()));
+                textMirrorPosZ.setNumber(Math.floor(textMirrorPosZ.getNumber()));
+            }
+        }
+        if (button == buttonDrawLines) {
+            drawLines = !drawLines;
+            buttonDrawLines.setUseAlternateIcon(drawLines);
+            buttonDrawLines.setTooltip(drawLines ? "Hide lines" : "Show lines");
+        }
+        if (button == buttonDrawPlanes) {
+            drawPlanes = !drawPlanes;
+            buttonDrawPlanes.setUseAlternateIcon(drawPlanes);
+            buttonDrawPlanes.setTooltip(drawPlanes ? "Hide area" : "Show area");
+        }
+        mirrorNumberFieldList.forEach(numberField -> numberField.actionPerformed(button));
+    }
+
+    public Mirror.MirrorSettings getMirrorSettings() {
+        boolean mirrorEnabled = buttonMirrorEnabled.isChecked();
+
+        Vec3d mirrorPos = new Vec3d(0, 64, 0);
+        try {
+            mirrorPos = new Vec3d(textMirrorPosX.getNumber(), textMirrorPosY.getNumber(), textMirrorPosZ.getNumber());
+        } catch (NumberFormatException | NullPointerException ex) {
+            EffortlessBuilding.log(mc.player, "Mirror position not a valid number.");
+        }
+
+        boolean mirrorX = buttonMirrorX.isChecked();
+        boolean mirrorY = buttonMirrorY.isChecked();
+        boolean mirrorZ = buttonMirrorZ.isChecked();
+
+        int mirrorRadius = 50;
+        try {
+            mirrorRadius = (int) textMirrorRadius.getNumber();
+        } catch (NumberFormatException | NullPointerException ex) {
+            EffortlessBuilding.log(mc.player, "Mirror radius not a valid number.");
+        }
+
+        return new Mirror.MirrorSettings(mirrorEnabled, mirrorPos, mirrorX, mirrorY, mirrorZ, mirrorRadius, drawLines, drawPlanes);
+    }
+
+    @Override
+    protected String getName() {
+        return "Mirror";
+    }
+
+    @Override
+    protected int getExpandedHeight() {
+        return 100;
+    }
+}

src/main/java/nl/requios/effortlessbuilding/gui/RadialMirrorSettingsGui.java

@@ -0,0 +1,302 @@
+package nl.requios.effortlessbuilding.gui;
+
+import net.minecraft.client.gui.GuiButton;
+import net.minecraft.client.gui.GuiScreen;
+import net.minecraft.util.ResourceLocation;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.util.text.TextFormatting;
+import net.minecraftforge.fml.client.config.GuiCheckBox;
+import nl.requios.effortlessbuilding.BuildSettingsManager;
+import nl.requios.effortlessbuilding.EffortlessBuilding;
+import nl.requios.effortlessbuilding.RadialMirror;
+import nl.requios.effortlessbuilding.helper.ReachHelper;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class RadialMirrorSettingsGui extends GuiCollapsibleScrollEntry {
+
+    protected static final ResourceLocation BUILDING_ICONS = new ResourceLocation(EffortlessBuilding.MODID, "textures/gui/building_icons.png");
+
+    protected List<GuiButton> radialMirrorButtonList = new ArrayList<>();
+    protected List<GuiIconButton> radialMirrorIconButtonList = new ArrayList<>();
+    protected List<GuiNumberField> radialMirrorNumberFieldList = new ArrayList<>();
+
+    private GuiNumberField textRadialMirrorPosX, textRadialMirrorPosY, textRadialMirrorPosZ, textRadialMirrorSlices, textRadialMirrorRadius;
+    private GuiCheckBox buttonRadialMirrorEnabled, buttonRadialMirrorAlternate;
+    private GuiIconButton buttonCurrentPosition, buttonToggleOdd, buttonDrawPlanes, buttonDrawLines;
+    private boolean drawPlanes, drawLines, toggleOdd;
+
+    public RadialMirrorSettingsGui(GuiScrollPane scrollPane) {
+        super(scrollPane);
+    }
+
+    @Override
+    public int initGui(int id, List<GuiButton> buttonList) {
+        id = super.initGui(id, buttonList);
+
+        int y = top - 2;
+        buttonRadialMirrorEnabled = new GuiCheckBox(id++, left - 15 + 8, y, "", false);
+        buttonList.add(buttonRadialMirrorEnabled);
+
+        y = top + 18;
+        textRadialMirrorPosX = new GuiNumberField(id++, id++, id++, fontRenderer, buttonList, left + 58, y, 62, 18);
+        textRadialMirrorPosX.setNumber(0);
+        textRadialMirrorPosX.setTooltip(
+                Arrays.asList("The position of the radial mirror.", TextFormatting.GRAY + "For odd numbered builds add 0.5."));
+        radialMirrorNumberFieldList.add(textRadialMirrorPosX);
+
+        textRadialMirrorPosY = new GuiNumberField(id++, id++, id++, fontRenderer, buttonList, left + 138, y, 62, 18);
+        textRadialMirrorPosY.setNumber(64);
+        textRadialMirrorPosY.setTooltip(Arrays.asList("The position of the radial mirror.", TextFormatting.GRAY + "For odd numbered builds add 0.5."));
+        radialMirrorNumberFieldList.add(textRadialMirrorPosY);
+
+        textRadialMirrorPosZ = new GuiNumberField(id++, id++, id++, fontRenderer, buttonList, left + 218, y, 62, 18);
+        textRadialMirrorPosZ.setNumber(0);
+        textRadialMirrorPosZ.setTooltip(Arrays.asList("The position of the radial mirror.", TextFormatting.GRAY + "For odd numbered builds add 0.5."));
+        radialMirrorNumberFieldList.add(textRadialMirrorPosZ);
+
+        y = top + 47;
+        textRadialMirrorSlices = new GuiNumberField(id++, id++, id++, fontRenderer, buttonList, left + 55, y, 50, 18);
+        textRadialMirrorSlices.setNumber(4);
+        textRadialMirrorSlices.setTooltip(Arrays.asList("The number of repeating slices.", TextFormatting.GRAY + "Minimally 2."));
+        radialMirrorNumberFieldList.add(textRadialMirrorSlices);
+
+        textRadialMirrorRadius = new GuiNumberField(id++, id++, id++, fontRenderer, buttonList, left + 218, y, 62, 18);
+        textRadialMirrorRadius.setNumber(50);
+        //TODO change to diameter (remove /2)
+        textRadialMirrorRadius.setTooltip(Arrays.asList("How far the radial mirror reaches from its center position.",
+                TextFormatting.GRAY + "Max: " + TextFormatting.GOLD + ReachHelper.getMaxReach(mc.player) / 2,
+                TextFormatting.GRAY + "Upgradeable in survival with reach upgrades."));
+        radialMirrorNumberFieldList.add(textRadialMirrorRadius);
+
+
+        y = top + 72;
+        buttonCurrentPosition = new GuiIconButton(id++, left + 5, y, 0, 0, BUILDING_ICONS);
+        buttonCurrentPosition.setTooltip("Set radial mirror position to current player position");
+        radialMirrorIconButtonList.add(buttonCurrentPosition);
+
+        buttonToggleOdd = new GuiIconButton(id++, left + 35, y, 0, 20, BUILDING_ICONS);
+        buttonToggleOdd.setTooltip(Arrays.asList("Set radial mirror position to middle of block", "for odd numbered builds"));
+        radialMirrorIconButtonList.add(buttonToggleOdd);
+
+        buttonDrawLines = new GuiIconButton(id++, left + 65, y, 0, 40, BUILDING_ICONS);
+        buttonDrawLines.setTooltip("Show lines");
+        radialMirrorIconButtonList.add(buttonDrawLines);
+
+        buttonDrawPlanes = new GuiIconButton(id++, left + 95, y, 0, 60, BUILDING_ICONS);
+        buttonDrawPlanes.setTooltip("Show area");
+        radialMirrorIconButtonList.add(buttonDrawPlanes);
+
+        y = top + 76;
+        buttonRadialMirrorAlternate = new GuiCheckBox(id++, left + 140, y, " Alternate", false);
+        radialMirrorButtonList.add(buttonRadialMirrorAlternate);
+
+        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(mc.player);
+        if (buildSettings != null) {
+            RadialMirror.RadialMirrorSettings r = buildSettings.getRadialMirrorSettings();
+            buttonRadialMirrorEnabled.setIsChecked(r.enabled);
+            textRadialMirrorPosX.setNumber(r.position.x);
+            textRadialMirrorPosY.setNumber(r.position.y);
+            textRadialMirrorPosZ.setNumber(r.position.z);
+            textRadialMirrorSlices.setNumber(r.slices);
+            buttonRadialMirrorAlternate.setIsChecked(r.alternate);
+            textRadialMirrorRadius.setNumber(r.radius);
+            drawLines = r.drawLines;
+            drawPlanes = r.drawPlanes;
+            buttonDrawLines.setUseAlternateIcon(drawLines);
+            buttonDrawPlanes.setUseAlternateIcon(drawPlanes);
+            buttonDrawLines.setTooltip(drawLines ? "Hide lines" : "Show lines");
+            buttonDrawPlanes.setTooltip(drawPlanes ? "Hide area" : "Show area");
+            if (textRadialMirrorPosX.getNumber() == Math.floor(textRadialMirrorPosX.getNumber())) {
+                toggleOdd = false;
+                buttonToggleOdd.setTooltip(Arrays.asList("Set radial mirror position to middle of block", "for odd numbered builds"));
+            } else {
+                toggleOdd = true;
+                buttonToggleOdd.setTooltip(Arrays.asList("Set radial mirror position to corner of block", "for even numbered builds"));
+            }
+            buttonToggleOdd.setUseAlternateIcon(toggleOdd);
+        }
+
+        buttonList.addAll(radialMirrorButtonList);
+        buttonList.addAll(radialMirrorIconButtonList);
+
+        setCollapsed(!buttonRadialMirrorEnabled.isChecked());
+
+        return id;
+    }
+
+    @Override
+    public void updateScreen() {
+        super.updateScreen();
+        radialMirrorNumberFieldList.forEach(GuiNumberField::update);
+    }
+
+    @Override
+    public void drawEntry(int slotIndex, int x, int y, int listWidth, int slotHeight, int mouseX, int mouseY,
+                          boolean isSelected, float partialTicks) {
+        super.drawEntry(slotIndex, x, y, listWidth, slotHeight, mouseX, mouseY, isSelected, partialTicks);
+
+        int yy = y;
+        int offset = 8;
+
+        buttonRadialMirrorEnabled.drawButton(this.mc, mouseX, mouseY, partialTicks);
+        if (buttonRadialMirrorEnabled.isChecked()) {
+            buttonRadialMirrorEnabled.y = yy;
+            fontRenderer.drawString("Radial mirror enabled", left + offset, yy + 2, 0xFFFFFF, true);
+
+            yy = y + 18;
+            fontRenderer.drawString("Position", left + offset, yy + 5, 0xFFFFFF, true);
+            fontRenderer.drawString("X", left + 40 + offset, yy + 5, 0xFFFFFF, true);
+            textRadialMirrorPosX.y = yy;
+            fontRenderer.drawString("Y", left + 120 + offset, yy + 5, 0xFFFFFF, true);
+            textRadialMirrorPosY.y = yy;
+            fontRenderer.drawString("Z", left + 200 + offset, yy + 5, 0xFFFFFF, true);
+            textRadialMirrorPosZ.y = yy;
+
+            yy = y + 50;
+            fontRenderer.drawString("Slices", left + offset, yy + 2, 0xFFFFFF, true);
+            textRadialMirrorSlices.y = yy - 3;
+            fontRenderer.drawString("Radius", left + 176 + offset, yy + 2, 0xFFFFFF, true);
+            textRadialMirrorRadius.y = yy - 3;
+
+            yy = y + 72;
+            buttonCurrentPosition.y = yy;
+            buttonToggleOdd.y = yy;
+            buttonDrawLines.y = yy;
+            buttonDrawPlanes.y = yy;
+
+            yy = y + 76;
+            buttonRadialMirrorAlternate.y = yy;
+
+            radialMirrorButtonList.forEach(button -> button.drawButton(this.mc, mouseX, mouseY, partialTicks));
+            radialMirrorIconButtonList.forEach(button -> button.drawButton(this.mc, mouseX, mouseY, partialTicks));
+            radialMirrorNumberFieldList
+                    .forEach(numberField -> numberField.drawNumberField(this.mc, mouseX, mouseY, partialTicks));
+        } else {
+            buttonRadialMirrorEnabled.y = yy;
+            fontRenderer.drawString("Radial mirror disabled", left + offset, yy + 2, 0x999999, true);
+        }
+
+    }
+
+    public void drawTooltip(GuiScreen guiScreen, int mouseX, int mouseY) {
+        //Draw tooltips last
+        if (buttonRadialMirrorEnabled.isChecked())
+        {
+            radialMirrorIconButtonList.forEach(iconButton -> iconButton.drawTooltip(scrollPane.parent, mouseX, mouseY));
+            radialMirrorNumberFieldList.forEach(numberField -> numberField.drawTooltip(scrollPane.parent, mouseX, mouseY));
+        }
+    }
+
+    @Override
+    public void updatePosition(int slotIndex, int x, int y, float partialTicks) {
+        super.updatePosition(slotIndex, x, y, partialTicks);
+    }
+
+    @Override
+    public void keyTyped(char typedChar, int keyCode) throws IOException {
+        super.keyTyped(typedChar, keyCode);
+        for (GuiNumberField numberField : radialMirrorNumberFieldList) {
+            numberField.keyTyped(typedChar, keyCode);
+        }
+    }
+
+    @Override
+    public boolean mousePressed(int slotIndex, int mouseX, int mouseY, int mouseEvent, int relativeX, int relativeY) {
+        super.mousePressed(slotIndex, mouseX, mouseY, mouseEvent, relativeX, relativeY);
+        radialMirrorNumberFieldList.forEach(numberField -> numberField.mouseClicked(mouseX, mouseY, mouseEvent));
+
+        boolean insideRadialMirrorEnabledLabel = mouseX >= left && mouseX < right && relativeY >= -2 && relativeY < 12;
+
+        if (insideRadialMirrorEnabledLabel) {
+            buttonRadialMirrorEnabled.setIsChecked(!buttonRadialMirrorEnabled.isChecked());
+            buttonRadialMirrorEnabled.playPressSound(this.mc.getSoundHandler());
+            actionPerformed(buttonRadialMirrorEnabled);
+        }
+
+        return true;
+    }
+
+    @Override
+    public void actionPerformed(GuiButton button) {
+        super.actionPerformed(button);
+        if (button == buttonRadialMirrorEnabled) {
+            setCollapsed(!buttonRadialMirrorEnabled.isChecked());
+        }
+        if (button == buttonCurrentPosition) {
+            Vec3d pos = new Vec3d(Math.floor(mc.player.posX) + 0.5, Math.floor(mc.player.posY) + 0.5, Math.floor(mc.player.posZ) + 0.5);
+            textRadialMirrorPosX.setNumber(pos.x);
+            textRadialMirrorPosY.setNumber(pos.y);
+            textRadialMirrorPosZ.setNumber(pos.z);
+        }
+        if (button == buttonToggleOdd) {
+            toggleOdd = !toggleOdd;
+            buttonToggleOdd.setUseAlternateIcon(toggleOdd);
+            if (toggleOdd) {
+                buttonToggleOdd.setTooltip(Arrays.asList("Set mirror position to corner of block", "for even numbered builds"));
+                textRadialMirrorPosX.setNumber(textRadialMirrorPosX.getNumber() + 0.5);
+                textRadialMirrorPosY.setNumber(textRadialMirrorPosY.getNumber() + 0.5);
+                textRadialMirrorPosZ.setNumber(textRadialMirrorPosZ.getNumber() + 0.5);
+            } else {
+                buttonToggleOdd.setTooltip(Arrays.asList("Set mirror position to middle of block", "for odd numbered builds"));
+                textRadialMirrorPosX.setNumber(Math.floor(textRadialMirrorPosX.getNumber()));
+                textRadialMirrorPosY.setNumber(Math.floor(textRadialMirrorPosY.getNumber()));
+                textRadialMirrorPosZ.setNumber(Math.floor(textRadialMirrorPosZ.getNumber()));
+            }
+        }
+        if (button == buttonDrawLines) {
+            drawLines = !drawLines;
+            buttonDrawLines.setUseAlternateIcon(drawLines);
+            buttonDrawLines.setTooltip(drawLines ? "Hide lines" : "Show lines");
+        }
+        if (button == buttonDrawPlanes) {
+            drawPlanes = !drawPlanes;
+            buttonDrawPlanes.setUseAlternateIcon(drawPlanes);
+            buttonDrawPlanes.setTooltip(drawPlanes ? "Hide area" : "Show area");
+        }
+        radialMirrorNumberFieldList.forEach(numberField -> numberField.actionPerformed(button));
+    }
+
+    public RadialMirror.RadialMirrorSettings getRadialMirrorSettings() {
+        boolean radialMirrorEnabled = buttonRadialMirrorEnabled.isChecked();
+
+        Vec3d radialMirrorPos = new Vec3d(0, 64, 0);
+        try {
+            radialMirrorPos = new Vec3d(textRadialMirrorPosX.getNumber(), textRadialMirrorPosY.getNumber(), textRadialMirrorPosZ
+                    .getNumber());
+        } catch (NumberFormatException | NullPointerException ex) {
+            EffortlessBuilding.log(mc.player, "Radial mirror position not a valid number.");
+        }
+
+        int radialMirrorSlices = 4;
+        try {
+            radialMirrorSlices = (int) textRadialMirrorSlices.getNumber();
+        } catch (NumberFormatException | NullPointerException ex) {
+            EffortlessBuilding.log(mc.player, "Radial mirror slices not a valid number.");
+        }
+
+        boolean radialMirrorAlternate = buttonRadialMirrorAlternate.isChecked();
+
+        int radialMirrorRadius = 50;
+        try {
+            radialMirrorRadius = (int) textRadialMirrorRadius.getNumber();
+        } catch (NumberFormatException | NullPointerException ex) {
+            EffortlessBuilding.log(mc.player, "Mirror radius not a valid number.");
+        }
+
+        return new RadialMirror.RadialMirrorSettings(radialMirrorEnabled, radialMirrorPos, radialMirrorSlices, radialMirrorAlternate, radialMirrorRadius, drawLines, drawPlanes);
+    }
+
+    @Override
+    protected String getName() {
+        return "Radial mirror";
+    }
+
+    @Override
+    protected int getExpandedHeight() {
+        return 100;
+    }
+}

src/main/java/nl/requios/effortlessbuilding/gui/RandomizerBagContainer.java

@@ -4,7 +4,6 @@ import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.entity.player.InventoryPlayer;
 import net.minecraft.inventory.ClickType;
 import net.minecraft.inventory.Container;
-import net.minecraft.inventory.IInventory;
 import net.minecraft.inventory.Slot;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.EnumHand;
@@ -46,9 +45,17 @@ public class RandomizerBagContainer extends Container {
         return true;
     }
 
+    @Override
+    public Slot getSlot(int parSlotIndex)
+    {
+        if(parSlotIndex >= inventorySlots.size())
+            parSlotIndex = inventorySlots.size() - 1;
+        return super.getSlot(parSlotIndex);
+    }
+
     @Override
     public ItemStack transferStackInSlot(EntityPlayer playerIn, int slotIndex) {
-        ItemStack itemstack = null;
+        ItemStack itemstack = ItemStack.EMPTY;
         Slot slot = this.inventorySlots.get(slotIndex);
 
         if (slot != null && slot.getHasStack()) {
@@ -59,7 +66,7 @@ public class RandomizerBagContainer extends Container {
             if (slotIndex < INV_START) {
                 // try to place in player inventory / action bar
                 if (!this.mergeItemStack(itemstack1, INV_START, HOTBAR_END + 1, true)) {
-                    return null;
+                    return ItemStack.EMPTY;
                 }
 
                 slot.onSlotChange(itemstack1, itemstack);
@@ -72,7 +79,7 @@ public class RandomizerBagContainer extends Container {
                 if (slotIndex >= INV_START) {
                     // place in custom inventory
                     if (!this.mergeItemStack(itemstack1, 0, INV_START, false)) {
-                        return null;
+                        return ItemStack.EMPTY;
                     }
                 }
 
@@ -85,7 +92,7 @@ public class RandomizerBagContainer extends Container {
             }
 
             if (itemstack1.getCount() == itemstack.getCount()) {
-                return null;
+                return ItemStack.EMPTY;
             }
 
             slot.onTake(playerIn, itemstack1);
@@ -102,9 +109,26 @@ public class RandomizerBagContainer extends Container {
     @Override
     public ItemStack slotClick(int slot, int dragType, ClickType clickTypeIn, EntityPlayer player) {
         // this will prevent the player from interacting with the item that opened the inventory:
+        ItemStack clickItemStack = super.slotClick(slot, dragType, clickTypeIn, player);
         if (slot >= 0 && getSlot(slot) != null && getSlot(slot).getStack() == player.getHeldItem(EnumHand.MAIN_HAND)) {
-            return null;
+            return ItemStack.EMPTY;
         }
-        return super.slotClick(slot, dragType, clickTypeIn, player);
+        return clickItemStack;
     }
+
+    /**
+     * Callback for when the crafting gui is closed.
+     */
+//    @Override
+//    public void onContainerClosed(EntityPlayer player)
+//    {
+//        if(player.inventory.getItemStack() != null)
+//        {
+//            player.entityDropItem(player.inventory.getItemStack(), 0.5f);
+//        }
+//        if(!player.world.isRemote)
+//        {
+//            detectAndSendChanges();
+//        }
+//    }
 }

src/main/java/nl/requios/effortlessbuilding/gui/RandomizerBagGuiHandler.java

@@ -1,12 +1,12 @@
 package nl.requios.effortlessbuilding.gui;
 
 import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.util.EnumHand;
 import net.minecraft.world.World;
 import net.minecraftforge.fml.common.network.IGuiHandler;
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
 import net.minecraftforge.items.CapabilityItemHandler;
+import net.minecraftforge.items.IItemHandler;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
 
 import javax.annotation.Nullable;
@@ -17,8 +17,10 @@ public class RandomizerBagGuiHandler implements IGuiHandler {
     public Object getServerGuiElement(int ID, EntityPlayer player, World world, int x, int y, int z) {
         if (ID == EffortlessBuilding.RANDOMIZER_BAG_GUI) {
             // Use the player's held item to create the container
-            return new RandomizerBagContainer(player.inventory,
+            IItemHandler capability = player.getHeldItemMainhand().hasCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, null) ?
-                    player.getHeldItem(EnumHand.MAIN_HAND).getCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, null));
+                    player.getHeldItemMainhand().getCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, null) :
+                    player.getHeldItemOffhand().getCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, null);
+            return new RandomizerBagContainer(player.inventory, capability);
         }
         return null;
     }
@@ -29,8 +31,10 @@ public class RandomizerBagGuiHandler implements IGuiHandler {
     public Object getClientGuiElement(int ID, EntityPlayer player, World world, int x, int y, int z) {
         if (ID == EffortlessBuilding.RANDOMIZER_BAG_GUI) {
             // Use the player's held item to create the client-side gui container
-            return new RandomizerBagGuiContainer(player.inventory,
+            IItemHandler capability = player.getHeldItemMainhand().hasCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, null) ?
-                    player.getHeldItem(EnumHand.MAIN_HAND).getCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, null));
+                    player.getHeldItemMainhand().getCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, null) :
+                    player.getHeldItemOffhand().getCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, null);
+            return new RandomizerBagGuiContainer(player.inventory, capability);
         }
         return null;
     }

src/main/java/nl/requios/effortlessbuilding/gui/SettingsGui.java

@@ -1,158 +1,51 @@
 package nl.requios.effortlessbuilding.gui;
 
-import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiButton;
 import net.minecraft.client.gui.GuiScreen;
-import net.minecraft.client.gui.GuiTextField;
+import nl.requios.effortlessbuilding.*;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.Vec3d;
-import net.minecraftforge.fml.client.config.GuiCheckBox;
-import nl.requios.effortlessbuilding.Array;
-import nl.requios.effortlessbuilding.BuildSettingsManager;
-import nl.requios.effortlessbuilding.EffortlessBuilding;
-import nl.requios.effortlessbuilding.Mirror;
 import nl.requios.effortlessbuilding.network.BuildSettingsMessage;
 import nl.requios.effortlessbuilding.proxy.ClientProxy;
-import org.lwjgl.input.Keyboard;
 
 import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
 
 public class SettingsGui extends GuiScreen {
 
-    protected List<GuiTextField> textFieldList = new ArrayList<>();
+    private GuiScrollPane scrollPane;
+    private GuiButton buttonClose;
 
-    protected List<GuiButton> mirrorButtonList = new ArrayList<>();
+    private MirrorSettingsGui mirrorSettingsGui;
-    protected List<GuiTextField> mirrorTextFieldList = new ArrayList<>();
+    private ArraySettingsGui arraySettingsGui;
-    protected List<GuiTextField> arrayTextFieldList = new ArrayList<>();
+    private RadialMirrorSettingsGui radialMirrorSettingsGui;
-
-    private GuiTextField textMirrorPosX, textMirrorPosY, textMirrorPosZ, textMirrorRadius;
-    private GuiCheckBox buttonMirrorEnabled, buttonMirrorX, buttonMirrorY, buttonMirrorZ;
-    private GuiButton buttonDrawPlanes, buttonDrawLines;
-    private boolean drawPlanes, drawLines;
-    private GuiButton buttonCurrentPosition, buttonClose;
-
-    private GuiCheckBox buttonArrayEnabled;
-    private GuiTextField textArrayOffsetX, textArrayOffsetY, textArrayOffsetZ, textArrayCount;
-
-    private int left, right, top, bottom;
 
     @Override
     //Create buttons and labels and add them to buttonList/labelList
     public void initGui() {
         int id = 0;
-        left = width / 2 - 140;
-        right = width / 2 + 140;
-        top = height / 2 - 100;
-        bottom = height / 2 + 100;
 
-        //MIRROR
+        scrollPane = new GuiScrollPane(this, fontRenderer, 8, height - 30);
-        int y = top - 2;
-        buttonMirrorEnabled = new GuiCheckBox(id++, left - 15 + 8, y, "", false);
-        buttonList.add(buttonMirrorEnabled);
 
-        y = top + 18;
+        mirrorSettingsGui = new MirrorSettingsGui(scrollPane);
-        textMirrorPosX = new GuiTextField(id++, fontRenderer, left + 70, y, 50, 18);
+        scrollPane.listEntries.add(mirrorSettingsGui);
-        textMirrorPosX.setText("0.5");
-        mirrorTextFieldList.add(textMirrorPosX);
 
-        textMirrorPosY = new GuiTextField(id++, fontRenderer, left + 140, y, 50, 18);
+        arraySettingsGui = new ArraySettingsGui(scrollPane);
-        textMirrorPosY.setText("64.5");
+        scrollPane.listEntries.add(arraySettingsGui);
-        mirrorTextFieldList.add(textMirrorPosY);
 
-        textMirrorPosZ = new GuiTextField(id++, fontRenderer, left + 210, y, 50, 18);
+        radialMirrorSettingsGui = new RadialMirrorSettingsGui(scrollPane);
-        textMirrorPosZ.setText("0.5");
+        scrollPane.listEntries.add(radialMirrorSettingsGui);
-        mirrorTextFieldList.add(textMirrorPosZ);
 
-        y = top + 50;
+        id = scrollPane.initGui(id, buttonList);
-        buttonMirrorX = new GuiCheckBox(id++, left + 60, y, " X", true);
-        mirrorButtonList.add(buttonMirrorX);
 
-        buttonMirrorY = new GuiCheckBox(id++, left + 100, y, " Y", false);
+        //Close button
-        mirrorButtonList.add(buttonMirrorY);
+        int y = height - 26;
-
-        buttonMirrorZ = new GuiCheckBox(id++, left + 140, y, " Z", false);
-        mirrorButtonList.add(buttonMirrorZ);
-
-        y = top + 47;
-        textMirrorRadius = new GuiTextField(id++, fontRenderer, left + 220, y, 60, 18);
-        textMirrorRadius.setText("50");
-        mirrorTextFieldList.add(textMirrorRadius);
-
-        y = top + 72;
-        buttonCurrentPosition = new GuiButton(id++, left + 5, y, 110, 20, "Set to current pos");
-        mirrorButtonList.add(buttonCurrentPosition);
-
-        buttonDrawLines = new GuiButton(id++, left + 127, y, 70, 20, "Show lines");
-        mirrorButtonList.add(buttonDrawLines);
-
-        buttonDrawPlanes = new GuiButton(id++, left + 209, y, 75, 20, "Show area");
-        mirrorButtonList.add(buttonDrawPlanes);
-
-        //ARRAY
-        y = top + 100;
-        buttonArrayEnabled = new GuiCheckBox(id++, left - 15 + 8, y, "", false);
-        buttonList.add(buttonArrayEnabled);
-
-        y = top + 120;
-        textArrayOffsetX = new GuiTextField(id++, fontRenderer, left + 70, y, 50, 18);
-        textArrayOffsetX.setText("0");
-        arrayTextFieldList.add(textArrayOffsetX);
-
-        textArrayOffsetY = new GuiTextField(id++, fontRenderer, left + 140, y, 50, 18);
-        textArrayOffsetY.setText("0");
-        arrayTextFieldList.add(textArrayOffsetY);
-
-        textArrayOffsetZ = new GuiTextField(id++, fontRenderer, left + 210, y, 50, 18);
-        textArrayOffsetZ.setText("0");
-        arrayTextFieldList.add(textArrayOffsetZ);
-
-        y = top + 150;
-        textArrayCount = new GuiTextField(id++, fontRenderer, left + 55, y, 50, 18);
-        textArrayCount.setText("5");
-        arrayTextFieldList.add(textArrayCount);
-
-        //CLOSE
-        y = height - 40;
         buttonClose = new GuiButton(id++, width / 2 - 100, y, "Close");
         buttonList.add(buttonClose);
 
-        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(mc.player);
-        if (buildSettings != null) {
-            //MIRROR
-            Mirror.MirrorSettings m = buildSettings.getMirrorSettings();
-            buttonMirrorEnabled.setIsChecked(m.enabled);
-            textMirrorPosX.setText(String.valueOf(m.position.x));
-            textMirrorPosY.setText(String.valueOf(m.position.y));
-            textMirrorPosZ.setText(String.valueOf(m.position.z));
-            buttonMirrorX.setIsChecked(m.mirrorX);
-            buttonMirrorY.setIsChecked(m.mirrorY);
-            buttonMirrorZ.setIsChecked(m.mirrorZ);
-            textMirrorRadius.setText(String.valueOf(m.radius));
-            drawLines = m.drawLines;
-            drawPlanes = m.drawPlanes;
-            buttonDrawLines.displayString = drawLines ? "Hide lines" : "Show lines";
-            buttonDrawPlanes.displayString = drawPlanes ? "Hide area" : "Show area";
-
-            //ARRAY
-            Array.ArraySettings a = buildSettings.getArraySettings();
-            buttonArrayEnabled.setIsChecked(a.enabled);
-            textArrayOffsetX.setText(String.valueOf(a.offset.getX()));
-            textArrayOffsetY.setText(String.valueOf(a.offset.getY()));
-            textArrayOffsetZ.setText(String.valueOf(a.offset.getZ()));
-            textArrayCount.setText(String.valueOf(a.count));
-        }
-
-        buttonList.addAll(mirrorButtonList);
-        textFieldList.addAll(mirrorTextFieldList);
-        textFieldList.addAll(arrayTextFieldList);
     }
 
     @Override
     //Process general logic, i.e. hide buttons
     public void updateScreen() {
-        textFieldList.forEach(GuiTextField::updateCursorCounter);
+        scrollPane.updateScreen();
     }
 
     @Override
@@ -161,154 +54,79 @@ public class SettingsGui extends GuiScreen {
     public void drawScreen(int mouseX, int mouseY, float partialTicks) {
         this.drawDefaultBackground();
 
-        int y = top;
+        scrollPane.drawScreen(mouseX, mouseY, partialTicks);
-        int offset = 8;
-
-        buttonMirrorEnabled.drawButton(this.mc, mouseX, mouseY, partialTicks);
-        if (buttonMirrorEnabled.isChecked()) {
-            fontRenderer.drawString("Mirror enabled", left + offset, y, 0xFFFFFF, true);
-
-            y = top + 18 + 5;
-            fontRenderer.drawString("Position", left + offset, y, 0xFFFFFF, true);
-            fontRenderer.drawString("X", left + 50 + offset, y, 0xFFFFFF, true);
-            fontRenderer.drawString("Y", left + 120 + offset, y, 0xFFFFFF, true);
-            fontRenderer.drawString("Z", left + 190 + offset, y, 0xFFFFFF, true);
-
-            y = top + 52;
-            fontRenderer.drawString("Direction", left + offset, y, 0xFFFFFF, true);
-            fontRenderer.drawString("Size", left + 190, y, 0xFFFFFF, true);
-
-            mirrorButtonList.forEach(button -> button.drawButton(this.mc, mouseX, mouseY, partialTicks));
-            mirrorTextFieldList.forEach(textField -> textField.drawTextBox());
-        } else {
-            fontRenderer.drawString("Mirror disabled", left + offset, y, 0x999999, true);
-        }
-
-        y = top + 100 + 2;
-        buttonArrayEnabled.drawButton(this.mc, mouseX, mouseY, partialTicks);
-        if (buttonArrayEnabled.isChecked()) {
-            fontRenderer.drawString("Array enabled", left + offset, y, 0xFFFFFF, true);
-
-            y = top + 120 + 5;
-            fontRenderer.drawString("Offset", left + offset, y, 0xFFFFFF, true);
-            fontRenderer.drawString("X", left + 50 + offset, y, 0xFFFFFF, true);
-            fontRenderer.drawString("Y", left + 120 + offset, y, 0xFFFFFF, true);
-            fontRenderer.drawString("Z", left + 190 + offset, y, 0xFFFFFF, true);
-
-            y = top + 150 + 5;
-            fontRenderer.drawString("Count", left + offset, y, 0xFFFFFF, true);
-
-            arrayTextFieldList.forEach(textField -> textField.drawTextBox());
-        } else {
-            fontRenderer.drawString("Array disabled", left + offset, y, 0x999999, true);
-        }
 
         buttonClose.drawButton(this.mc, mouseX, mouseY, partialTicks);
+
+        scrollPane.drawTooltip(this, mouseX, mouseY);
     }
 
     @Override
     protected void keyTyped(char typedChar, int keyCode) throws IOException {
         super.keyTyped(typedChar, keyCode);
-        if (Character.isDigit(typedChar) || typedChar == '.' || typedChar == '-' || keyCode == Keyboard.KEY_BACK || keyCode == Keyboard.KEY_DELETE) {
+        scrollPane.keyTyped(typedChar, keyCode);
-            for (GuiTextField textField : textFieldList) {
-                if (textField.isFocused()) {
-                    textField.textboxKeyTyped(typedChar, keyCode);
-                }
-            }
-        }
         if (keyCode == ClientProxy.keyBindings[0].getKeyCode()) {
-            Minecraft.getMinecraft().player.closeScreen();
+            mc.player.closeScreen();
         }
     }
 
     @Override
     protected void mouseClicked(int mouseX, int mouseY, int mouseButton) throws IOException {
         super.mouseClicked(mouseX, mouseY, mouseButton);
-        textFieldList.forEach(textField -> textField.mouseClicked(mouseX, mouseY, mouseButton));
+        scrollPane.mouseClicked(mouseX, mouseY, mouseButton);
     }
 
     @Override
-    protected void actionPerformed(GuiButton button) throws IOException {
+    protected void mouseReleased(int mouseX, int mouseY, int state) {
+        if (state != 0 || !scrollPane.mouseReleased(mouseX, mouseY, state))
+        {
+            super.mouseReleased(mouseX, mouseY, state);
+        }
+    }
+
+    @Override
+    public void handleMouseInput() throws IOException {
+        super.handleMouseInput();
+        scrollPane.handleMouseInput();
+
+        //Scrolling numbers
+//        int mouseX = Mouse.getEventX() * this.width / this.mc.displayWidth;
+//        int mouseY = this.height - Mouse.getEventY() * this.height / this.mc.displayHeight - 1;
+//        numberFieldList.forEach(numberField -> numberField.handleMouseInput(mouseX, mouseY));
+    }
+
+    @Override
+    protected void actionPerformed(GuiButton button) {
         //check what button and action type (left/right click)
         if (button == buttonClose) {
             mc.player.closeScreen();
         }
-        if (button == buttonCurrentPosition) {
+        scrollPane.actionPerformed(button);
-            Vec3d pos = new Vec3d(Math.floor(mc.player.posX) + 0.5, Math.floor(mc.player.posY) + 0.5, Math.floor(mc.player.posZ) + 0.5);
-            textMirrorPosX.setText(String.valueOf(pos.x));
-            textMirrorPosY.setText(String.valueOf(pos.y));
-            textMirrorPosZ.setText(String.valueOf(pos.z));
-        }
-        if (button == buttonDrawLines) {
-            drawLines = !drawLines;
-            buttonDrawLines.displayString = drawLines ? "Hide lines" : "Show lines";
-        }
-        if (button == buttonDrawPlanes) {
-            drawPlanes = !drawPlanes;
-            buttonDrawPlanes.displayString = drawPlanes ? "Hide area" : "Show area";
-        }
     }
 
     @Override
     public void onGuiClosed() {
+        scrollPane.onGuiClosed();
+
         //save everything
-
+        Mirror.MirrorSettings m = mirrorSettingsGui.getMirrorSettings();
-        //MIRROR
+        Array.ArraySettings a = arraySettingsGui.getArraySettings();
-        boolean mirrorEnabled = buttonMirrorEnabled.isChecked();
+        RadialMirror.RadialMirrorSettings r = radialMirrorSettingsGui.getRadialMirrorSettings();
-
-        Vec3d mirrorPos = new Vec3d(0.5, 64.5, 0.5);
-        try {
-            mirrorPos = new Vec3d(Double.parseDouble(textMirrorPosX.getText()), Double.parseDouble(textMirrorPosY.getText()), Double.parseDouble(textMirrorPosZ.getText()));
-        } catch (NumberFormatException | NullPointerException ex) {
-            EffortlessBuilding.log(Minecraft.getMinecraft().player, "Mirror position not valid.", true);
-            EffortlessBuilding.log("Mirror position not valid. Resetting to default.");
-        }
-
-        boolean mirrorX = buttonMirrorX.isChecked();
-        boolean mirrorY = buttonMirrorY.isChecked();
-        boolean mirrorZ = buttonMirrorZ.isChecked();
-
-        int mirrorRadius = 50;
-        try {
-            mirrorRadius = Math.min(Integer.parseInt(textMirrorRadius.getText()), Mirror.MAX_RADIUS);
-        } catch (NumberFormatException | NullPointerException ex) {
-            EffortlessBuilding.log(Minecraft.getMinecraft().player, "Mirror radius not valid.", true);
-            EffortlessBuilding.log("Mirror radius not valid. Resetting to default.");
-        }
-        mirrorRadius = Math.max(1, mirrorRadius);
-        mirrorRadius = Math.min(Mirror.MAX_RADIUS, mirrorRadius);
-
-        Mirror.MirrorSettings m = new Mirror.MirrorSettings(mirrorEnabled, mirrorPos, mirrorX, mirrorY, mirrorZ, mirrorRadius, drawLines, drawPlanes);
-
-        //ARRAY
-        boolean arrayEnabled = buttonArrayEnabled.isChecked();
-        BlockPos arrayOffset = new BlockPos(0, 0, 0);
-        try {
-            arrayOffset = new BlockPos(Integer.parseInt(textArrayOffsetX.getText()), Integer.parseInt(textArrayOffsetY.getText()), Integer.parseInt(textArrayOffsetZ.getText()));
-        } catch (NumberFormatException | NullPointerException ex) {
-            EffortlessBuilding.log(Minecraft.getMinecraft().player, "Array offset not valid.", true);
-            EffortlessBuilding.log("Array offset not valid. Resetting to default.");
-        }
-
-        int arrayCount = 5;
-        try {
-            arrayCount = Integer.parseInt(textArrayCount.getText());
-        } catch (NumberFormatException | NullPointerException ex) {
-            EffortlessBuilding.log(Minecraft.getMinecraft().player, "Array count not valid.", true);
-            EffortlessBuilding.log("Array count not valid. Resetting to default.");
-        }
-        arrayCount = Math.max(1, arrayCount);
-        arrayCount = Math.min(Array.MAX_COUNT, arrayCount);
-
-        Array.ArraySettings a = new Array.ArraySettings(arrayEnabled, arrayOffset, arrayCount);
 
         BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(mc.player);
         if (buildSettings == null) buildSettings = new BuildSettingsManager.BuildSettings();
         buildSettings.setMirrorSettings(m);
         buildSettings.setArraySettings(a);
+        buildSettings.setRadialMirrorSettings(r);
+
+        //Sanitize
+        String error = BuildSettingsManager.sanitize(buildSettings, mc.player);
+        if (!error.isEmpty()) EffortlessBuilding.log(mc.player, error);
+
         BuildSettingsManager.setBuildSettings(mc.player, buildSettings);
 
         //Send to server
         EffortlessBuilding.packetHandler.sendToServer(new BuildSettingsMessage(buildSettings));
     }
+
 }

src/main/java/nl/requios/effortlessbuilding/helper/ReachConditionFactory.java

@@ -0,0 +1,15 @@
+package nl.requios.effortlessbuilding.helper;
+
+import com.google.gson.JsonObject;
+import net.minecraftforge.common.crafting.IConditionFactory;
+import net.minecraftforge.common.crafting.JsonContext;
+import nl.requios.effortlessbuilding.BuildConfig;
+
+import java.util.function.BooleanSupplier;
+
+public class ReachConditionFactory implements IConditionFactory {
+    @Override
+    public BooleanSupplier parse(JsonContext context, JsonObject json) {
+        return () -> BuildConfig.reach.enableReachUpgrades;
+    }
+}

src/main/java/nl/requios/effortlessbuilding/helper/ReachHelper.java

@@ -0,0 +1,27 @@
+package nl.requios.effortlessbuilding.helper;
+
+import net.minecraft.entity.player.EntityPlayer;
+import nl.requios.effortlessbuilding.BuildConfig;
+import nl.requios.effortlessbuilding.BuildSettingsManager;
+
+public class ReachHelper {
+    public static int getMaxReach(EntityPlayer player) {
+        if (player.isCreative()) return BuildConfig.reach.maxReachCreative;
+
+        if (!BuildConfig.reach.enableReachUpgrades) return BuildConfig.reach.maxReachLevel3;
+
+        //Check buildsettings for reachUpgrade
+        int reachUpgrade = BuildSettingsManager.getBuildSettings(player).getReachUpgrade();
+        switch (reachUpgrade) {
+            case 0: return BuildConfig.reach.maxReachLevel0;
+            case 1: return BuildConfig.reach.maxReachLevel1;
+            case 2: return BuildConfig.reach.maxReachLevel2;
+            case 3: return BuildConfig.reach.maxReachLevel3;
+        }
+        return BuildConfig.reach.maxReachLevel0;
+    }
+
+    public static boolean canBreakFar(EntityPlayer player) {
+        return player.isCreative() || BuildConfig.survivalBalancers.breakFar;
+    }
+}

src/main/java/nl/requios/effortlessbuilding/helper/RenderHelper.java

@@ -0,0 +1,435 @@
+package nl.requios.effortlessbuilding.helper;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.*;
+import net.minecraft.client.renderer.texture.TextureMap;
+import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.ItemBlock;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.SoundCategory;
+import net.minecraft.util.SoundEvent;
+import net.minecraft.util.math.*;
+import net.minecraft.world.IWorldEventListener;
+import net.minecraft.world.World;
+import net.minecraftforge.client.event.RenderWorldLastEvent;
+import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+import net.minecraftforge.fml.relauncher.Side;
+import nl.requios.effortlessbuilding.*;
+import nl.requios.effortlessbuilding.item.ItemRandomizerBag;
+import nl.requios.effortlessbuilding.proxy.ClientProxy;
+import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL14;
+import org.lwjgl.util.Color;
+
+import javax.annotation.Nullable;
+import java.util.ArrayList;
+import java.util.List;
+
+@Mod.EventBusSubscriber(Side.CLIENT)
+public class RenderHelper implements IWorldEventListener {
+
+    private static final Color colorX = new Color(255, 72, 52);
+    private static final Color colorY = new Color(67, 204, 51);
+    private static final Color colorZ = new Color(52, 247, 255);
+    private static final Color colorRadial = new Color(52, 247, 255);
+    private static final int lineAlpha = 200;
+    private static final int planeAlpha = 75;
+    private static final Vec3d epsilon = new Vec3d(0.001, 0.001, 0.001); //prevents z-fighting
+
+    private static List<BlockPos> previousCoordinates;
+
+    private static void begin(float partialTicks) {
+        EntityPlayer player = Minecraft.getMinecraft().player;
+        double playerX = player.prevPosX + (player.posX - player.prevPosX) * partialTicks;
+        double playerY = player.prevPosY + (player.posY - player.prevPosY) * partialTicks;
+        double playerZ = player.prevPosZ + (player.posZ - player.prevPosZ) * partialTicks;
+        Vec3d playerPos = new Vec3d(playerX, playerY, playerZ);
+
+        GL11.glPushMatrix();
+        GL11.glTranslated(-playerPos.x, -playerPos.y, -playerPos.z);
+
+        GL11.glDepthMask(false);
+    }
+
+    private static void beginLines() {
+        GL11.glPushAttrib(GL11.GL_ENABLE_BIT);
+        GL11.glDisable(GL11.GL_CULL_FACE);
+        GL11.glDisable(GL11.GL_LIGHTING);
+        GL11.glDisable(GL11.GL_TEXTURE_2D);
+
+        GL11.glEnable(GL11.GL_BLEND);
+        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
+
+        GL11.glLineWidth(2);
+    }
+
+    private static void endLines() {
+        GL11.glPopAttrib();
+    }
+
+    private static void beginBlockPreviews() {
+        GL11.glPushAttrib(GL11.GL_ENABLE_BIT);
+        GL11.glEnable(GL11.GL_CULL_FACE);
+        GL11.glEnable(GL11.GL_TEXTURE_2D);
+        Minecraft.getMinecraft().renderEngine.bindTexture(TextureMap.LOCATION_BLOCKS_TEXTURE);
+        GlStateManager.enableBlend();
+        GlStateManager.blendFunc(GL11.GL_CONSTANT_ALPHA, GL11.GL_ONE_MINUS_CONSTANT_ALPHA);
+        GL14.glBlendColor(1F, 1F, 1F, 0.8f);
+    }
+
+    private static void endBlockPreviews() {
+        GlStateManager.blendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
+        GlStateManager.disableBlend();
+        GL11.glPopAttrib();
+    }
+
+    private static void end() {
+        GL11.glDepthMask(true);
+        GL11.glPopMatrix();
+    }
+
+    private static void renderBlockPreview(BlockRendererDispatcher dispatcher, BlockPos blockPos, IBlockState blockState) {
+        GlStateManager.pushMatrix();
+        GlStateManager.translate(blockPos.getX(), blockPos.getY(), blockPos.getZ());
+        GlStateManager.rotate(-90.0F, 0.0F, 1.0F, 0.0F);
+        GlStateManager.translate(-0.005f, -0.005f, 0.005f);
+        GlStateManager.scale(1.01f, 1.01f, 1.01f);
+        dispatcher.renderBlockBrightness(blockState, 0.85f);
+        GlStateManager.popMatrix();
+    }
+
+    public static void renderBlockOutline(BlockPos pos) {
+        renderBlockOutline(pos, pos);
+    }
+
+    //Renders outline. Pos1 has to be minimal x,y,z and pos2 maximal x,y,z
+    public static void renderBlockOutline(BlockPos pos1, BlockPos pos2) {
+        GL11.glLineWidth(2);
+
+        AxisAlignedBB aabb = new AxisAlignedBB(pos1, pos2.add(1, 1, 1)).grow(0.0020000000949949026);
+
+        RenderGlobal.drawSelectionBoundingBox(aabb, 0f, 0f, 0f, 0.4f);
+    }
+
+    @SubscribeEvent
+    public static void onRender(RenderWorldLastEvent event) {
+        EntityPlayer player = Minecraft.getMinecraft().player;
+        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(player);
+
+        begin(event.getPartialTicks());
+
+        beginLines();
+        //Mirror lines and areas
+        Mirror.MirrorSettings m = buildSettings.getMirrorSettings();
+        if (m != null && m.enabled && (m.mirrorX || m.mirrorY || m.mirrorZ))
+        {
+            Vec3d pos = m.position.add(epsilon);
+            int radius = m.radius;
+
+            if (m.mirrorX)
+            {
+                Vec3d posA = new Vec3d(pos.x, pos.y - radius, pos.z - radius);
+                Vec3d posB = new Vec3d(pos.x, pos.y + radius, pos.z + radius);
+
+                drawMirrorPlane(posA, posB, colorX, m.drawLines, m.drawPlanes, true);
+            }
+            if (m.mirrorY)
+            {
+                Vec3d posA = new Vec3d(pos.x - radius, pos.y, pos.z - radius);
+                Vec3d posB = new Vec3d(pos.x + radius, pos.y, pos.z + radius);
+
+                drawMirrorPlaneY(posA, posB, colorY, m.drawLines, m.drawPlanes);
+            }
+            if (m.mirrorZ)
+            {
+                Vec3d posA = new Vec3d(pos.x - radius, pos.y - radius, pos.z);
+                Vec3d posB = new Vec3d(pos.x + radius, pos.y + radius, pos.z);
+
+                drawMirrorPlane(posA, posB, colorZ, m.drawLines, m.drawPlanes, true);
+            }
+
+            //Draw axis coordinated colors if two or more axes are enabled
+            //(If only one is enabled the lines are that planes color)
+            if (m.drawLines && ((m.mirrorX && m.mirrorY) || (m.mirrorX && m.mirrorZ) || (m.mirrorY && m.mirrorZ)))
+            {
+                drawMirrorLines(m);
+            }
+        }
+
+        //Radial mirror lines and areas
+        RadialMirror.RadialMirrorSettings r = buildSettings.getRadialMirrorSettings();
+        if (r != null && r.enabled)
+        {
+            Vec3d pos = r.position.add(epsilon);
+            int radius = r.radius;
+
+            float angle = 2f * ((float) Math.PI) / r.slices;
+            Vec3d relStartVec = new Vec3d(radius, 0, 0);
+            if (r.slices%4 == 2) relStartVec = relStartVec.rotateYaw(angle / 2f);
+
+            for (int i = 0; i < r.slices; i++) {
+                Vec3d relNewVec = relStartVec.rotateYaw(angle * i);
+                Vec3d newVec = pos.add(relNewVec);
+
+                Vec3d posA = new Vec3d(pos.x, pos.y - radius, pos.z);
+                Vec3d posB = new Vec3d(newVec.x, pos.y + radius, newVec.z);
+                drawMirrorPlane(posA, posB, colorRadial, r.drawLines, r.drawPlanes, false);
+            }
+        }
+        endLines();
+
+        //Render block previews
+        RayTraceResult lookingAt = ClientProxy.getLookingAt(player);
+        //Checking for null is necessary! Even in vanilla when looking down ladders it is occasionally null (instead of Type MISS)
+        if (lookingAt != null && lookingAt.typeOfHit == RayTraceResult.Type.BLOCK)
+        {
+            beginBlockPreviews();
+            BlockRendererDispatcher dispatcher = Minecraft.getMinecraft().getBlockRendererDispatcher();
+            BlockPos startPos = lookingAt.getBlockPos();
+
+            //Check if tool (or none) in hand
+            ItemStack mainhand = player.getHeldItemMainhand();
+            boolean toolInHand = !(!mainhand.isEmpty() && (mainhand.getItem() instanceof ItemBlock || mainhand.getItem() instanceof ItemRandomizerBag));
+            boolean replaceable =
+                    player.world.getBlockState(startPos).getBlock().isReplaceable(player.world, startPos);
+            if (!buildSettings.doQuickReplace() && !toolInHand && !replaceable) {
+                startPos = startPos.offset(lookingAt.sideHit);
+            }
+
+            //Get under tall grass and other replaceable blocks
+            if (buildSettings.doQuickReplace() && !toolInHand && replaceable) {
+                startPos = startPos.down();
+            }
+
+            if (BuildModifiers.isEnabled(buildSettings, startPos) || BuildConfig.visuals.alwaysShowBlockPreview) {
+                //get coordinates
+                List<BlockPos> newCoordinates = BuildModifiers.findCoordinates(player, startPos);
+
+                //check if they are different from previous
+                if (!BuildModifiers.compareCoordinates(previousCoordinates, newCoordinates)) {
+                    previousCoordinates = newCoordinates;
+                    //if so, renew randomness of randomizer bag
+                    ItemRandomizerBag.renewRandomness();
+                }
+
+                Vec3d hitVec = lookingAt.hitVec;
+                hitVec = new Vec3d(Math.abs(hitVec.x - ((int) hitVec.x)), Math.abs(hitVec.y - ((int) hitVec.y)),
+                        Math.abs(hitVec.z - ((int) hitVec.z)));
+                List<ItemStack> itemStacks = new ArrayList<>();
+                List<IBlockState> blockStates = BuildModifiers.findBlockStates(player, startPos, hitVec, lookingAt.sideHit, itemStacks);
+
+                //check if valid blockstates
+                if (blockStates.size() != 0 && newCoordinates.size() == blockStates.size()) {
+                    for (int i = newCoordinates.size() - 1; i >= 0; i--) {
+                        BlockPos blockPos = newCoordinates.get(i);
+                        IBlockState blockState = blockStates.get(i);
+                        ItemStack itemstack = itemStacks.get(i);
+                        //Check if can place
+                        if (!itemstack.isEmpty() && SurvivalHelper.canPlayerEdit(player, player.world, blockPos, itemstack) &&
+                            SurvivalHelper.mayPlace(player.world, Block.getBlockFromItem(itemstack.getItem()), blockState, blockPos, false, EnumFacing.UP, player) &&
+                            SurvivalHelper.canReplace(player.world, player, blockPos)) {
+                            renderBlockPreview(dispatcher, blockPos, blockState);
+                        }
+                    }
+                }
+            }
+            endBlockPreviews();
+
+            beginLines();
+            //Draw outlines if tool in hand
+            //Find proper raytrace: either normal range or increased range depending on canBreakFar
+            RayTraceResult objectMouseOver = Minecraft.getMinecraft().objectMouseOver;
+            RayTraceResult breakingRaytrace = ReachHelper.canBreakFar(player) ? lookingAt : objectMouseOver;
+            if (toolInHand && breakingRaytrace != null && breakingRaytrace.typeOfHit == RayTraceResult.Type.BLOCK) {
+                List<BlockPos> breakCoordinates = BuildModifiers.findCoordinates(player, breakingRaytrace.getBlockPos());
+
+                //Only render first outline if further than normal reach
+                boolean excludeFirst = objectMouseOver != null && objectMouseOver.typeOfHit == RayTraceResult.Type.BLOCK;
+                for (int i = excludeFirst ? 1 : 0; i < breakCoordinates.size(); i++) {
+                    BlockPos coordinate = breakCoordinates.get(i);
+
+                    IBlockState blockState = player.world.getBlockState(coordinate);
+                    if (!blockState.getBlock().isAir(blockState, player.world, coordinate)) {
+                        if (SurvivalHelper.canBreak(player.world, player, coordinate) || i == 0) {
+                            renderBlockOutline(coordinate);
+                        }
+                    }
+                }
+            }
+            endLines();
+        }
+
+        end();
+    }
+
+
+    //----Mirror----
+
+    public static void drawMirrorPlane(Vec3d posA, Vec3d posB, Color c, boolean drawLines, boolean drawPlanes, boolean drawVerticalLines) {
+
+        GL11.glColor4d(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha);
+        Tessellator tessellator = Tessellator.getInstance();
+        BufferBuilder bufferBuilder = tessellator.getBuffer();
+
+        if (drawPlanes) {
+            bufferBuilder.begin(GL11.GL_TRIANGLE_STRIP, DefaultVertexFormats.POSITION_COLOR);
+
+            bufferBuilder.pos(posA.x, posA.y, posA.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
+            bufferBuilder.pos(posA.x, posB.y, posA.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
+            bufferBuilder.pos(posB.x, posA.y, posB.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
+            bufferBuilder.pos(posB.x, posB.y, posB.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
+
+            tessellator.draw();
+        }
+
+        if (drawLines) {
+            Vec3d middle = posA.add(posB).scale(0.5);
+            bufferBuilder.begin(GL11.GL_LINES, DefaultVertexFormats.POSITION_COLOR);
+
+            bufferBuilder.pos(posA.x, middle.y, posA.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
+            bufferBuilder.pos(posB.x, middle.y, posB.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
+            if (drawVerticalLines) {
+                bufferBuilder.pos(middle.x, posA.y, middle.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
+                bufferBuilder.pos(middle.x, posB.y, middle.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
+            }
+
+            tessellator.draw();
+        }
+    }
+
+    public static void drawMirrorPlaneY(Vec3d posA, Vec3d posB, Color c, boolean drawLines, boolean drawPlanes) {
+
+        GL11.glColor4d(c.getRed(), c.getGreen(), c.getBlue(), c.getAlpha());
+        Tessellator tessellator = Tessellator.getInstance();
+        BufferBuilder bufferBuilder = tessellator.getBuffer();
+
+        if (drawPlanes) {
+            bufferBuilder.begin(GL11.GL_TRIANGLE_STRIP, DefaultVertexFormats.POSITION_COLOR);
+
+            bufferBuilder.pos(posA.x, posA.y, posA.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
+            bufferBuilder.pos(posA.x, posA.y, posB.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
+            bufferBuilder.pos(posB.x, posA.y, posA.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
+            bufferBuilder.pos(posB.x, posA.y, posB.z).color(c.getRed(), c.getGreen(), c.getBlue(), planeAlpha).endVertex();
+
+            tessellator.draw();
+        }
+
+        if (drawLines) {
+            Vec3d middle = posA.add(posB).scale(0.5);
+            bufferBuilder.begin(GL11.GL_LINES, DefaultVertexFormats.POSITION_COLOR);
+
+            bufferBuilder.pos(middle.x, middle.y, posA.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
+            bufferBuilder.pos(middle.x, middle.y, posB.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
+            bufferBuilder.pos(posA.x, middle.y, middle.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
+            bufferBuilder.pos(posB.x, middle.y, middle.z).color(c.getRed(), c.getGreen(), c.getBlue(), lineAlpha).endVertex();
+
+            tessellator.draw();
+        }
+    }
+
+    public static void drawMirrorLines(Mirror.MirrorSettings m) {
+
+        Vec3d pos = m.position.add(epsilon);
+
+        GL11.glColor4d(100, 100, 100, 255);
+        GL11.glLineWidth(2);
+        Tessellator tessellator = Tessellator.getInstance();
+        BufferBuilder bufferBuilder = tessellator.getBuffer();
+
+        bufferBuilder.begin(GL11.GL_LINES, DefaultVertexFormats.POSITION_COLOR);
+
+        bufferBuilder.pos(pos.x - m.radius, pos.y, pos.z).color(colorX.getRed(), colorX.getGreen(), colorX.getBlue(), lineAlpha).endVertex();
+        bufferBuilder.pos(pos.x + m.radius, pos.y, pos.z).color(colorX.getRed(), colorX.getGreen(), colorX.getBlue(), lineAlpha).endVertex();
+        bufferBuilder.pos(pos.x, pos.y - m.radius, pos.z).color(colorY.getRed(), colorY.getGreen(), colorY.getBlue(), lineAlpha).endVertex();
+        bufferBuilder.pos(pos.x, pos.y + m.radius, pos.z).color(colorY.getRed(), colorY.getGreen(), colorY.getBlue(), lineAlpha).endVertex();
+        bufferBuilder.pos(pos.x, pos.y, pos.z - m.radius).color(colorZ.getRed(), colorZ.getGreen(), colorZ.getBlue(), lineAlpha).endVertex();
+        bufferBuilder.pos(pos.x, pos.y, pos.z + m.radius).color(colorZ.getRed(), colorZ.getGreen(), colorZ.getBlue(), lineAlpha).endVertex();
+
+        tessellator.draw();
+    }
+
+    //IWORLDEVENTLISTENER IMPLEMENTATION
+    @Override
+    public void notifyBlockUpdate(World worldIn, BlockPos pos, IBlockState oldState, IBlockState newState, int flags) {
+
+    }
+
+    @Override
+    public void notifyLightSet(BlockPos pos) {
+
+    }
+
+    @Override
+    public void markBlockRangeForRenderUpdate(int x1, int y1, int z1, int x2, int y2, int z2) {
+
+    }
+
+    @Override
+    public void playSoundToAllNearExcept(@Nullable EntityPlayer player, SoundEvent soundIn, SoundCategory category,
+                                         double x, double y, double z, float volume, float pitch) {
+
+    }
+
+    @Override
+    public void playRecord(SoundEvent soundIn, BlockPos pos) {
+
+    }
+
+    @Override
+    public void spawnParticle(int particleID, boolean ignoreRange, double xCoord, double yCoord, double zCoord,
+                              double xSpeed, double ySpeed, double zSpeed, int... parameters) {
+
+    }
+
+    @Override
+    public void spawnParticle(int id, boolean ignoreRange, boolean p_190570_3_, double x, double y, double z,
+                              double xSpeed, double ySpeed, double zSpeed, int... parameters) {
+
+    }
+
+    @Override
+    public void onEntityAdded(Entity entityIn) {
+
+    }
+
+    @Override
+    public void onEntityRemoved(Entity entityIn) {
+
+    }
+
+    @Override
+    public void broadcastSound(int soundID, BlockPos pos, int data) {
+
+    }
+
+    @Override
+    public void playEvent(EntityPlayer player, int type, BlockPos blockPosIn, int data) {
+
+    }
+
+    //Sends breaking progress for all coordinates to renderglobal, so all blocks get visually broken
+    @Override
+    public void sendBlockBreakProgress(int breakerId, BlockPos pos, int progress) {
+        Minecraft mc = Minecraft.getMinecraft();
+
+        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(mc.player);
+        if (!BuildModifiers.isEnabled(buildSettings, pos)) return;
+
+        List<BlockPos> coordinates = BuildModifiers.findCoordinates(mc.player, pos);
+        for (int i = 1; i < coordinates.size(); i++) {
+            BlockPos coordinate = coordinates.get(i);
+            if (SurvivalHelper.canBreak(mc.world, mc.player, coordinate)) {
+                //Send i as entity id because only one block can be broken per id
+                //Unless i happens to be the player id, then take something else
+                int fakeId = mc.player.getEntityId() != i ? i : coordinates.size();
+                mc.renderGlobal.sendBlockBreakProgress(fakeId, coordinate, progress);
+            }
+        }
+    }
+}

src/main/java/nl/requios/effortlessbuilding/helper/SurvivalHelper.java

@@ -0,0 +1,232 @@
+package nl.requios.effortlessbuilding.helper;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockLiquid;
+import net.minecraft.block.SoundType;
+import net.minecraft.block.material.Material;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.enchantment.EnchantmentHelper;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.init.Blocks;
+import net.minecraft.init.Enchantments;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemBlock;
+import net.minecraft.item.ItemStack;
+import net.minecraft.stats.StatList;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.SoundCategory;
+import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.world.IBlockAccess;
+import net.minecraft.world.World;
+import net.minecraftforge.items.IItemHandler;
+import net.minecraftforge.items.ItemHandlerHelper;
+import nl.requios.effortlessbuilding.BuildSettingsManager;
+import nl.requios.effortlessbuilding.EffortlessBuilding;
+import nl.requios.effortlessbuilding.item.ItemRandomizerBag;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import java.util.List;
+
+public class SurvivalHelper {
+
+    //Used for all placing of blocks in this mod.
+    //Checks if area is loaded, if player has the right permissions, if existing block can be replaced (drops it if so) and consumes an item from the stack.
+    //Based on ItemBlock#onItemUse
+    public static boolean placeBlock(World world, EntityPlayer player, BlockPos pos, IBlockState blockState, ItemStack itemstack, EnumFacing facing, Vec3d hitVec, boolean skipCollisionCheck, boolean playSound) {
+        if (!world.isBlockLoaded(pos, true)) return false;
+
+        //Randomizer bag synergy
+        //Find itemstack that belongs to the blockstate
+        if (itemstack.getItem() == EffortlessBuilding.ITEM_RANDOMIZER_BAG) {
+            IItemHandler bagInventory = ItemRandomizerBag.getBagInventory(itemstack);
+            itemstack = ItemRandomizerBag.findStack(bagInventory, Item.getItemFromBlock(blockState.getBlock()));
+        }
+
+        //Check if itemstack is correct
+        if (!(itemstack.getItem() instanceof ItemBlock) || Block.getBlockFromItem(itemstack.getItem()) != blockState.getBlock()) {
+            EffortlessBuilding.log(player, "Cannot (re)place block", true);
+            EffortlessBuilding.log("SurvivalHelper#placeBlock: itemstack " + itemstack.toString() + " does not match blockstate " + blockState.toString());
+            return false;
+        }
+
+        Block block = ((ItemBlock) itemstack.getItem()).getBlock();
+
+        if (!itemstack.isEmpty() && canPlayerEdit(player, world, pos, itemstack) &&
+            mayPlace(world, block, blockState, pos, skipCollisionCheck, facing.getOpposite(), player) &&
+            canReplace(world, player, pos)) {
+
+            //Drop existing block
+            dropBlock(world, player, pos);
+
+            boolean placed = ((ItemBlock) itemstack.getItem()).placeBlockAt(itemstack, player, world, pos, facing, (float) hitVec.x, (float) hitVec.y, (float) hitVec.z, blockState);
+            if (!placed) return false;
+
+            //From ItemBlock#placeBlockAt
+//            if (!world.setBlockState(pos, blockState, 11)) return false;
+//
+            IBlockState state = world.getBlockState(pos);
+//            if (state.getBlock() == block)
+//            {
+//                ((ItemBlock) itemstack.getItem()).setTileEntityNBT(world, player, pos, itemstack);
+//                block.onBlockPlacedBy(world, pos, state, player, itemstack);
+//
+////                if (player instanceof EntityPlayerMP)
+////                    CriteriaTriggers.PLACED_BLOCK.trigger((EntityPlayerMP)player, pos, itemstack);
+//            }
+
+            if (playSound) {
+                SoundType soundtype = state.getBlock().getSoundType(state, world, pos, player);
+                world.playSound(null, pos, soundtype.getPlaceSound(), SoundCategory.BLOCKS, (soundtype.getVolume() + 1.0F) / 2.0F, soundtype.getPitch() * 0.8F);
+            }
+
+            if (!player.isCreative() && Block.getBlockFromItem(itemstack.getItem()) == block) {
+                itemstack.shrink(1);
+            }
+
+            return true;
+        }
+        return false;
+    }
+
+    //Used for all breaking of blocks in this mod.
+    //Checks if area is loaded, if appropriate tool is used in survival mode, and drops the block directly into the players inventory
+    public static boolean breakBlock(World world, EntityPlayer player, BlockPos pos) {
+        if (!world.isBlockLoaded(pos, false)) return false;
+
+        //Check if can break
+        if (canBreak(world, player, pos))
+        {
+            //Drop existing block
+            dropBlock(world, player, pos);
+
+            //Damage tool
+            player.getHeldItemMainhand().onBlockDestroyed(world, world.getBlockState(pos), pos, player);
+
+            world.setBlockToAir(pos);
+            return true;
+        }
+        return false;
+    }
+
+    //Can break using held tool? (or in creative)
+    public static boolean canBreak(World world, EntityPlayer player, BlockPos pos) {
+        IBlockState blockState = world.getBlockState(pos);
+        if (blockState.getBlock() instanceof BlockLiquid) return false;
+
+        if (player.isCreative()) return true;
+
+        return canHarvestBlock(blockState.getBlock(), player, world, pos);
+    }
+
+    //From ForgeHooks#canHarvestBlock
+    public static boolean canHarvestBlock(@Nonnull Block block, @Nonnull EntityPlayer player, @Nonnull IBlockAccess world, @Nonnull BlockPos pos)
+    {
+        IBlockState state = world.getBlockState(pos);
+        state = state.getBlock().getActualState(state, world, pos);
+
+        //Dont break bedrock
+        if (state.getBlockHardness((World) world, pos) < 0) {
+            return false;
+        }
+
+        if (state.getMaterial().isToolNotRequired())
+        {
+            return true;
+        }
+
+        ItemStack stack = player.getHeldItemMainhand();
+        String tool = block.getHarvestTool(state);
+        if (stack.isEmpty() || tool == null)
+        {
+            return player.canHarvestBlock(state);
+        }
+
+        if (stack.getItemDamage() >= stack.getMaxDamage()) return false;
+
+        int toolLevel = stack.getItem().getHarvestLevel(stack, tool, player, state);
+        if (toolLevel < 0)
+        {
+            return player.canHarvestBlock(state);
+        }
+
+        return toolLevel >= block.getHarvestLevel(state);
+    }
+
+    //Can be harvested with hand? (or in creative)
+    public static boolean canReplace(World world, EntityPlayer player, BlockPos pos){
+        if (player.isCreative()) return true;
+
+        IBlockState state = world.getBlockState(pos);
+        state = state.getBlock().getActualState(state, world, pos);
+        if (state.getMaterial().isToolNotRequired()) return true;
+
+        return false;
+    }
+
+    //Gives items directly to player
+    public static void dropBlock(World world, EntityPlayer player, BlockPos pos){
+        if (player.isCreative()) return;
+
+        IBlockState blockState = world.getBlockState(pos);
+        Block block = blockState.getBlock();
+
+        block.harvestBlock(world, player, pos, blockState, world.getTileEntity(pos), player.getHeldItemMainhand());
+
+//        int fortune = EnchantmentHelper.getEnchantmentLevel(Enchantments.FORTUNE, player.getHeldItemMainhand());
+//        List<ItemStack> drops = blockState.getBlock().getDrops(world, pos, blockState, fortune);
+//        for (ItemStack drop : drops)
+//        {
+//            ItemHandlerHelper.giveItemToPlayer(player, drop);
+//        }
+    }
+
+    //From EntityPlayer#canPlayerEdit
+    public static boolean canPlayerEdit(EntityPlayer player, World world, BlockPos pos, ItemStack stack)
+    {
+        if (player.capabilities.allowEdit)
+        {
+            //True in creative and survival mode
+            return true;
+        }
+        else
+        {
+            //Adventure mode
+            Block block = world.getBlockState(pos).getBlock();
+            return stack.canPlaceOn(block) || stack.canEditBlocks();
+        }
+    }
+
+    //From World#mayPlace
+    public static boolean mayPlace(World world, Block blockIn, IBlockState newBlockState, BlockPos pos, boolean skipCollisionCheck, EnumFacing sidePlacedOn, @Nullable Entity placer)
+    {
+        IBlockState iblockstate1 = world.getBlockState(pos);
+        AxisAlignedBB axisalignedbb = skipCollisionCheck ? Block.NULL_AABB : blockIn.getDefaultState().getCollisionBoundingBox(world, pos);
+
+        if (axisalignedbb != Block.NULL_AABB && !world.checkNoEntityCollision(axisalignedbb.offset(pos)))
+        {
+            return false;
+        }
+
+        //Check if same block
+        //Necessary otherwise extra items will be dropped
+        if (iblockstate1 == newBlockState) {
+            return false;
+        }
+
+        if (iblockstate1.getMaterial() == Material.CIRCUITS && blockIn == Blocks.ANVIL)
+        {
+            return true;
+        }
+
+        //Check quickreplace
+        if (placer instanceof EntityPlayer && BuildSettingsManager.getBuildSettings(((EntityPlayer) placer)).doQuickReplace()) {
+            return true;
+        }
+
+        return iblockstate1.getBlock().isReplaceable(world, pos) && blockIn.canPlaceBlockOnSide(world, pos, sidePlacedOn);
+    }
+}

src/main/java/nl/requios/effortlessbuilding/item/ItemRandomizerBag.java

@@ -13,34 +13,34 @@ import net.minecraft.util.EnumActionResult;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.EnumHand;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Vec3d;
 import net.minecraft.util.text.TextFormatting;
 import net.minecraft.world.World;
 import net.minecraftforge.common.capabilities.ICapabilityProvider;
-import net.minecraftforge.common.util.BlockSnapshot;
-import net.minecraftforge.event.world.BlockEvent;
 import net.minecraftforge.items.CapabilityItemHandler;
 import net.minecraftforge.items.IItemHandler;
-import nl.requios.effortlessbuilding.Array;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
-import nl.requios.effortlessbuilding.Mirror;
 import nl.requios.effortlessbuilding.capability.ItemHandlerCapabilityProvider;
+import nl.requios.effortlessbuilding.helper.SurvivalHelper;
 
 import javax.annotation.Nullable;
 import java.util.ArrayList;
+import java.util.Calendar;
 import java.util.List;
 import java.util.Random;
 
 public class ItemRandomizerBag extends Item {
     public static final int INV_SIZE = 5;
 
-    private static Random rand = new Random(1337);
+    private static long currentSeed = 1337;
+    private static Random rand = new Random(currentSeed);
 
     public ItemRandomizerBag() {
         this.setRegistryName(EffortlessBuilding.MODID, "randomizer_bag");
-        this.setUnlocalizedName(this.getRegistryName().toString());
+        this.setTranslationKey(this.getRegistryName().toString());
 
         this.maxStackSize = 1;
-        this.setCreativeTab(CreativeTabs.DECORATIONS);
+        this.setCreativeTab(CreativeTabs.TOOLS);
     }
 
     @Override
@@ -59,11 +59,7 @@ public class ItemRandomizerBag extends Item {
             if (bagInventory == null)
                 return EnumActionResult.FAIL;
 
-            int randomSlot = pickRandomSlot(bagInventory);
+            ItemStack toPlace = pickRandomStack(bagInventory);
-            if (randomSlot < 0 || randomSlot > bagInventory.getSlots()) return EnumActionResult.FAIL;
-
-            ItemStack toPlace = bagInventory.getStackInSlot(randomSlot);
-
             if (toPlace.isEmpty()) return EnumActionResult.FAIL;
 
             //Previously: use onItemUse to place block (no synergy)
@@ -76,42 +72,34 @@ public class ItemRandomizerBag extends Item {
 
             IBlockState blockState = Block.getBlockFromItem(toPlace.getItem()).getStateForPlacement(world, pos, facing,
                     hitX, hitY, hitZ, toPlace.getMetadata(), player, hand);
-            world.setBlockState(pos, blockState);
 
-            //Synergy
+            SurvivalHelper.placeBlock(world, player, pos, blockState, toPlace, facing, new Vec3d(hitX, hitY, hitZ), false, true);
-            BlockSnapshot blockSnapshot = new BlockSnapshot(player.world, pos, blockState);
+
-            BlockEvent.PlaceEvent placeEvent = new BlockEvent.PlaceEvent(blockSnapshot, blockState, player, hand);
-            Mirror.onBlockPlaced(placeEvent);
-            Array.onBlockPlaced(placeEvent);
         }
         return EnumActionResult.SUCCESS;
     }
 
     @Override
     public ActionResult<ItemStack> onItemRightClick(World world, EntityPlayer player, EnumHand hand) {
+        ItemStack bag = player.getHeldItem(hand);
 
         if (player.isSneaking()) {
-            if (world.isRemote) return new ActionResult<>(EnumActionResult.SUCCESS, player.getHeldItem(hand));
+            if (world.isRemote) return new ActionResult<>(EnumActionResult.SUCCESS, bag);
             //Open inventory
             player.openGui(EffortlessBuilding.instance, EffortlessBuilding.RANDOMIZER_BAG_GUI, world, 0, 0, 0);
         } else {
             //Use item
             //Get bag inventory
-            ItemStack bag = player.getHeldItem(hand);
             IItemHandler bagInventory = getBagInventory(bag);
             if (bagInventory == null)
-                return new ActionResult<>(EnumActionResult.FAIL, player.getHeldItem(hand));
+                return new ActionResult<>(EnumActionResult.FAIL, bag);
 
-            int randomSlot = pickRandomSlot(bagInventory);
+            ItemStack toUse = pickRandomStack(bagInventory);
-            if (randomSlot < 0 || randomSlot > bagInventory.getSlots())
+            if (toUse.isEmpty()) return new ActionResult<>(EnumActionResult.FAIL, bag);
-                return new ActionResult<>(EnumActionResult.FAIL, player.getHeldItem(hand));
-
-            ItemStack toUse = bagInventory.getStackInSlot(randomSlot);
-            if (toUse.isEmpty()) return new ActionResult<>(EnumActionResult.FAIL, player.getHeldItem(hand));
 
             return toUse.useItemRightClick(world, player, hand);
         }
-        return new ActionResult<>(EnumActionResult.PASS, player.getHeldItem(hand));
+        return new ActionResult<>(EnumActionResult.PASS, bag);
     }
 
     /**
@@ -131,7 +119,7 @@ public class ItemRandomizerBag extends Item {
      * @param bagInventory
      * @return
      */
-    public static int pickRandomSlot(IItemHandler bagInventory) {
+    public static ItemStack pickRandomStack(IItemHandler bagInventory) {
         //Find how many stacks are non-empty, and save them in a list
         int nonempty = 0;
         List<ItemStack> nonEmptyStacks = new ArrayList<>(INV_SIZE);
@@ -148,12 +136,26 @@ public class ItemRandomizerBag extends Item {
         if (nonEmptyStacks.size() != originalSlots.size())
             throw new Error("NonEmptyStacks and OriginalSlots not same size");
 
-        if (nonempty == 0) return -1;
+        if (nonempty == 0) return ItemStack.EMPTY;
 
         //Pick random slot
         int randomSlot = rand.nextInt(nonempty);
+        if (randomSlot < 0 || randomSlot > bagInventory.getSlots()) return ItemStack.EMPTY;
 
-        return originalSlots.get(randomSlot);
+        int originalSlot = originalSlots.get(randomSlot);
+        if (originalSlot < 0 || originalSlot > bagInventory.getSlots()) return ItemStack.EMPTY;
+
+        return bagInventory.getStackInSlot(originalSlot);
+    }
+
+    public static ItemStack findStack(IItemHandler bagInventory, Item item) {
+        for (int i = 0; i < bagInventory.getSlots(); i++) {
+            ItemStack stack = bagInventory.getStackInSlot(i);
+            if (!stack.isEmpty() && stack.getItem() == item) {
+                return stack;
+            }
+        }
+        return ItemStack.EMPTY;
     }
 
     @Override
@@ -172,4 +174,18 @@ public class ItemRandomizerBag extends Item {
         tooltip.add(TextFormatting.BLUE + "Rightclick" + TextFormatting.GRAY + " to place a random block");
         tooltip.add(TextFormatting.BLUE + "Sneak + rightclick" + TextFormatting.GRAY + " to open inventory");
     }
+
+    @Override
+    public String getTranslationKey() {
+        return super.getTranslationKey();
+    }
+
+    public static void resetRandomness() {
+        rand.setSeed(currentSeed);
+    }
+
+    public static void renewRandomness() {
+        currentSeed = Calendar.getInstance().getTimeInMillis();
+        rand.setSeed(currentSeed);
+    }
 }

src/main/java/nl/requios/effortlessbuilding/item/ItemReachUpgrade1.java

@@ -0,0 +1,73 @@
+package nl.requios.effortlessbuilding.item;
+
+import net.minecraft.client.util.ITooltipFlag;
+import net.minecraft.creativetab.CreativeTabs;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.*;
+import net.minecraft.util.text.TextFormatting;
+import net.minecraft.world.World;
+import nl.requios.effortlessbuilding.BuildConfig;
+import nl.requios.effortlessbuilding.BuildSettingsManager;
+import nl.requios.effortlessbuilding.EffortlessBuilding;
+import nl.requios.effortlessbuilding.helper.ReachHelper;
+
+import javax.annotation.Nullable;
+import java.util.List;
+
+public class ItemReachUpgrade1 extends Item {
+
+    public ItemReachUpgrade1() {
+        this.setRegistryName(EffortlessBuilding.MODID, "reach_upgrade1");
+        this.setTranslationKey(this.getRegistryName().toString());
+
+        this.maxStackSize = 1;
+        this.setCreativeTab(CreativeTabs.TOOLS);
+    }
+
+    @Override
+    public ActionResult<ItemStack> onItemRightClick(World world, EntityPlayer player, EnumHand hand) {
+        if (player.isCreative()) {
+            if (world.isRemote) EffortlessBuilding.log(player, "Reach upgrades are not necessary in creative.");
+            if (world.isRemote) EffortlessBuilding.log(player, "Still want increased reach? Use the config.");
+            return new ActionResult<>(EnumActionResult.PASS, player.getHeldItem(hand));
+        }
+
+        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(player);
+        int currentLevel = buildSettings.getReachUpgrade();
+        if (currentLevel == 0) {
+            buildSettings.setReachUpgrade(1);
+
+            if (world.isRemote) EffortlessBuilding.log(player, "Upgraded reach to level " + ReachHelper.getMaxReach(player));
+            player.setHeldItem(hand, ItemStack.EMPTY);
+
+            SoundEvent soundEvent = new SoundEvent(new ResourceLocation("entity.player.levelup"));
+            player.playSound(soundEvent, 1f, 1f);
+        } else if (currentLevel > 0) {
+            if (world.isRemote) EffortlessBuilding.log(player, "Already used this upgrade! Current reach is " + ReachHelper
+                    .getMaxReach(player) + ".");
+
+            SoundEvent soundEvent = new SoundEvent(new ResourceLocation("item.armor.equip_leather"));
+            player.playSound(soundEvent, 1f, 1f);
+        }
+        return new ActionResult<>(EnumActionResult.PASS, player.getHeldItem(hand));
+    }
+
+    @Override
+    public ItemStack onItemUseFinish(ItemStack stack, World worldIn, EntityLivingBase entityLiving) {
+        EffortlessBuilding.log("used");
+        return ItemStack.EMPTY;
+    }
+
+    @Override
+    public void addInformation(ItemStack stack, @Nullable World world, List<String> tooltip, ITooltipFlag flag) {
+        tooltip.add(TextFormatting.GRAY + "Consume to increase reach to " + TextFormatting.BLUE + BuildConfig.reach.maxReachLevel1);
+    }
+
+    @Override
+    public String getTranslationKey() {
+        return super.getTranslationKey();
+    }
+}

src/main/java/nl/requios/effortlessbuilding/item/ItemReachUpgrade2.java

@@ -0,0 +1,71 @@
+package nl.requios.effortlessbuilding.item;
+
+import net.minecraft.client.util.ITooltipFlag;
+import net.minecraft.creativetab.CreativeTabs;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.*;
+import net.minecraft.util.text.TextFormatting;
+import net.minecraft.world.World;
+import nl.requios.effortlessbuilding.BuildConfig;
+import nl.requios.effortlessbuilding.BuildSettingsManager;
+import nl.requios.effortlessbuilding.EffortlessBuilding;
+import nl.requios.effortlessbuilding.helper.ReachHelper;
+
+import javax.annotation.Nullable;
+import java.util.List;
+
+public class ItemReachUpgrade2 extends Item {
+
+    public ItemReachUpgrade2() {
+        this.setRegistryName(EffortlessBuilding.MODID, "reach_upgrade2");
+        this.setTranslationKey(this.getRegistryName().toString());
+
+        this.maxStackSize = 1;
+        this.setCreativeTab(CreativeTabs.TOOLS);
+    }
+
+    @Override
+    public ActionResult<ItemStack> onItemRightClick(World world, EntityPlayer player, EnumHand hand) {
+        if (player.isCreative()) {
+            if (world.isRemote) EffortlessBuilding.log(player, "Reach upgrades are not necessary in creative.");
+            if (world.isRemote) EffortlessBuilding.log(player, "Still want increased reach? Use the config.");
+            return new ActionResult<>(EnumActionResult.PASS, player.getHeldItem(hand));
+        }
+
+        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(player);
+        int currentLevel = buildSettings.getReachUpgrade();
+        if (currentLevel == 1) {
+            buildSettings.setReachUpgrade(2);
+            if (world.isRemote) EffortlessBuilding.log(player, "Upgraded reach to level " + ReachHelper.getMaxReach(player));
+            player.setHeldItem(hand, ItemStack.EMPTY);
+
+            SoundEvent soundEvent = new SoundEvent(new ResourceLocation("entity.player.levelup"));
+            player.playSound(soundEvent, 1f, 1f);
+        } else if (currentLevel < 1) {
+            if (world.isRemote) EffortlessBuilding.log(player, "Use Reach Upgrade 1 first.");
+
+            SoundEvent soundEvent = new SoundEvent(new ResourceLocation("item.armor.equip_leather"));
+            player.playSound(soundEvent, 1f, 1f);
+        } else if (currentLevel > 1) {
+            if (world.isRemote) EffortlessBuilding.log(player, "Already used this upgrade! Current reach is " + ReachHelper
+                    .getMaxReach(player) + ".");
+
+            SoundEvent soundEvent = new SoundEvent(new ResourceLocation("item.armor.equip_leather"));
+            player.playSound(soundEvent, 1f, 1f);
+        }
+        return new ActionResult<>(EnumActionResult.PASS, player.getHeldItem(hand));
+    }
+
+    @Override
+    public void addInformation(ItemStack stack, @Nullable World world, List<String> tooltip, ITooltipFlag flag) {
+        tooltip.add(TextFormatting.GRAY + "Consume to increase reach to " + TextFormatting.BLUE + BuildConfig.reach.maxReachLevel2);
+        tooltip.add(TextFormatting.GRAY + "Previous upgrades need to be consumed first");
+    }
+
+    @Override
+    public String getTranslationKey() {
+        return super.getTranslationKey();
+    }
+}

src/main/java/nl/requios/effortlessbuilding/item/ItemReachUpgrade3.java

@@ -0,0 +1,74 @@
+package nl.requios.effortlessbuilding.item;
+
+import net.minecraft.client.util.ITooltipFlag;
+import net.minecraft.creativetab.CreativeTabs;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.*;
+import net.minecraft.util.text.TextFormatting;
+import net.minecraft.world.World;
+import nl.requios.effortlessbuilding.BuildConfig;
+import nl.requios.effortlessbuilding.BuildSettingsManager;
+import nl.requios.effortlessbuilding.EffortlessBuilding;
+import nl.requios.effortlessbuilding.helper.ReachHelper;
+
+import javax.annotation.Nullable;
+import java.util.List;
+
+public class ItemReachUpgrade3 extends Item {
+
+    public ItemReachUpgrade3() {
+        this.setRegistryName(EffortlessBuilding.MODID, "reach_upgrade3");
+        this.setTranslationKey(this.getRegistryName().toString());
+
+        this.maxStackSize = 1;
+        this.setCreativeTab(CreativeTabs.TOOLS);
+    }
+
+    @Override
+    public ActionResult<ItemStack> onItemRightClick(World world, EntityPlayer player, EnumHand hand) {
+        if (player.isCreative()) {
+            if (world.isRemote) EffortlessBuilding.log(player, "Reach upgrades are not necessary in creative.");
+            if (world.isRemote) EffortlessBuilding.log(player, "Still want increased reach? Use the config.");
+            return new ActionResult<>(EnumActionResult.PASS, player.getHeldItem(hand));
+        }
+
+        BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(player);
+        int currentLevel = buildSettings.getReachUpgrade();
+        if (currentLevel == 2) {
+            buildSettings.setReachUpgrade(3);
+            if (world.isRemote) EffortlessBuilding.log(player, "Upgraded reach to level " + ReachHelper.getMaxReach(player));
+            player.setHeldItem(hand, ItemStack.EMPTY);
+
+            SoundEvent soundEvent = new SoundEvent(new ResourceLocation("entity.player.levelup"));
+            player.playSound(soundEvent, 1f, 1f);
+        } else if (currentLevel < 2) {
+            if (currentLevel == 0)
+                if (world.isRemote) EffortlessBuilding.log(player, "Use Reach Upgrade 1 and 2 first.");
+            if (currentLevel == 1)
+                if (world.isRemote) EffortlessBuilding.log(player, "Use Reach Upgrade 2 first.");
+
+            SoundEvent soundEvent = new SoundEvent(new ResourceLocation("item.armor.equip_leather"));
+            player.playSound(soundEvent, 1f, 1f);
+        } else if (currentLevel > 2) {
+            if (world.isRemote) EffortlessBuilding.log(player, "Already used this upgrade! Current reach is " + ReachHelper
+                    .getMaxReach(player) + ".");
+
+            SoundEvent soundEvent = new SoundEvent(new ResourceLocation("item.armor.equip_leather"));
+            player.playSound(soundEvent, 1f, 1f);
+        }
+        return new ActionResult<>(EnumActionResult.PASS, player.getHeldItem(hand));
+    }
+
+    @Override
+    public void addInformation(ItemStack stack, @Nullable World world, List<String> tooltip, ITooltipFlag flag) {
+        tooltip.add(TextFormatting.GRAY + "Consume to increase reach to " + TextFormatting.BLUE + BuildConfig.reach.maxReachLevel3);
+        tooltip.add(TextFormatting.GRAY + "Previous upgrades need to be consumed first");
+    }
+
+    @Override
+    public String getTranslationKey() {
+        return super.getTranslationKey();
+    }
+}

src/main/java/nl/requios/effortlessbuilding/network/BlockBrokenMessage.java

@@ -0,0 +1,91 @@
+package nl.requios.effortlessbuilding.network;
+
+import io.netty.buffer.ByteBuf;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.RayTraceResult;
+import net.minecraft.util.math.Vec3d;
+import net.minecraftforge.fml.common.network.simpleimpl.IMessage;
+import net.minecraftforge.fml.common.network.simpleimpl.IMessageHandler;
+import net.minecraftforge.fml.common.network.simpleimpl.MessageContext;
+import net.minecraftforge.fml.relauncher.Side;
+import nl.requios.effortlessbuilding.BuildModifiers;
+import nl.requios.effortlessbuilding.EffortlessBuilding;
+
+public class BlockBrokenMessage implements IMessage {
+
+    private boolean blockHit;
+    private BlockPos blockPos;
+    private EnumFacing sideHit;
+    private Vec3d hitVec;
+
+    public BlockBrokenMessage() {
+        this.blockHit = false;
+        this.blockPos = BlockPos.ORIGIN;
+        this.sideHit = EnumFacing.UP;
+        this.hitVec = new Vec3d(0, 0, 0);
+    }
+
+    public BlockBrokenMessage(RayTraceResult result) {
+        this.blockHit = result.typeOfHit == RayTraceResult.Type.BLOCK;
+        this.blockPos = result.getBlockPos();
+        this.sideHit = result.sideHit;
+        this.hitVec = result.hitVec;
+    }
+
+    public boolean isBlockHit() {
+        return blockHit;
+    }
+
+    public BlockPos getBlockPos() {
+        return blockPos;
+    }
+
+    public EnumFacing getSideHit() {
+        return sideHit;
+    }
+
+    public Vec3d getHitVec() {
+        return hitVec;
+    }
+
+    @Override
+    public void toBytes(ByteBuf buf) {
+        buf.writeBoolean(blockHit);
+        buf.writeInt(blockPos.getX());
+        buf.writeInt(blockPos.getY());
+        buf.writeInt(blockPos.getZ());
+        buf.writeInt(sideHit.getIndex());
+        buf.writeDouble(hitVec.x);
+        buf.writeDouble(hitVec.y);
+        buf.writeDouble(hitVec.z);
+    }
+
+    @Override
+    public void fromBytes(ByteBuf buf) {
+        blockHit = buf.readBoolean();
+        blockPos = new BlockPos(buf.readInt(), buf.readInt(), buf.readInt());
+        sideHit = EnumFacing.byIndex(buf.readInt());
+        hitVec = new Vec3d(buf.readDouble(), buf.readDouble(), buf.readDouble());
+    }
+
+    // The params of the IMessageHandler are <REQ, REPLY>
+    public static class MessageHandler implements IMessageHandler<BlockBrokenMessage, IMessage> {
+        // Do note that the default constructor is required, but implicitly defined in this case
+
+        @Override
+        public IMessage onMessage(BlockBrokenMessage message, MessageContext ctx) {
+            //EffortlessBuilding.log("message received on " + ctx.side + " side");
+
+            if (ctx.side == Side.SERVER) {
+                //Received serverside
+                EffortlessBuilding.proxy.getThreadListenerFromContext(ctx).addScheduledTask(() -> {
+                    BuildModifiers.onBlockBrokenMessage(ctx.getServerHandler().player, message);
+                });
+            }
+            // No response packet
+            return null;
+        }
+    }
+
+}

src/main/java/nl/requios/effortlessbuilding/network/BlockPlacedMessage.java

@@ -4,30 +4,34 @@ import io.netty.buffer.ByteBuf;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.RayTraceResult;
+import net.minecraft.util.math.Vec3d;
 import net.minecraftforge.fml.common.network.simpleimpl.IMessage;
 import net.minecraftforge.fml.common.network.simpleimpl.IMessageHandler;
 import net.minecraftforge.fml.common.network.simpleimpl.MessageContext;
 import net.minecraftforge.fml.relauncher.Side;
+import nl.requios.effortlessbuilding.BuildModifiers;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
-import nl.requios.effortlessbuilding.QuickReplace;
 import nl.requios.effortlessbuilding.proxy.ClientProxy;
 
-public class QuickReplaceMessage implements IMessage {
+public class BlockPlacedMessage implements IMessage {
 
     private boolean blockHit;
     private BlockPos blockPos;
     private EnumFacing sideHit;
+    private Vec3d hitVec;
 
-    public QuickReplaceMessage() {
+    public BlockPlacedMessage() {
         this.blockHit = false;
         this.blockPos = BlockPos.ORIGIN;
         this.sideHit = EnumFacing.UP;
+        this.hitVec = new Vec3d(0, 0, 0);
     }
 
-    public QuickReplaceMessage(RayTraceResult result) {
+    public BlockPlacedMessage(RayTraceResult result) {
         this.blockHit = result.typeOfHit == RayTraceResult.Type.BLOCK;
         this.blockPos = result.getBlockPos();
         this.sideHit = result.sideHit;
+        this.hitVec = result.hitVec;
     }
 
     public boolean isBlockHit() {
@@ -42,6 +46,10 @@ public class QuickReplaceMessage implements IMessage {
         return sideHit;
     }
 
+    public Vec3d getHitVec() {
+        return hitVec;
+    }
+
     @Override
     public void toBytes(ByteBuf buf) {
         buf.writeBoolean(blockHit);
@@ -49,41 +57,39 @@ public class QuickReplaceMessage implements IMessage {
         buf.writeInt(blockPos.getY());
         buf.writeInt(blockPos.getZ());
         buf.writeInt(sideHit.getIndex());
+        buf.writeDouble(hitVec.x);
+        buf.writeDouble(hitVec.y);
+        buf.writeDouble(hitVec.z);
     }
 
     @Override
     public void fromBytes(ByteBuf buf) {
         blockHit = buf.readBoolean();
         blockPos = new BlockPos(buf.readInt(), buf.readInt(), buf.readInt());
-        sideHit = EnumFacing.getFront(buf.readInt());
+        sideHit = EnumFacing.byIndex(buf.readInt());
+        hitVec = new Vec3d(buf.readDouble(), buf.readDouble(), buf.readDouble());
     }
 
     // The params of the IMessageHandler are <REQ, REPLY>
-    public static class MessageHandler implements IMessageHandler<QuickReplaceMessage, IMessage> {
+    public static class MessageHandler implements IMessageHandler<BlockPlacedMessage, IMessage> {
         // Do note that the default constructor is required, but implicitly defined in this case
 
         @Override
-        public IMessage onMessage(QuickReplaceMessage message, MessageContext ctx) {
+        public IMessage onMessage(BlockPlacedMessage message, MessageContext ctx) {
             //EffortlessBuilding.log("message received on " + ctx.side + " side");
 
             if (ctx.side == Side.CLIENT){
                 //Received clientside
                 //Send back your info
-                return new QuickReplaceMessage(ClientProxy.previousLookAt);
+                return new BlockPlacedMessage(ClientProxy.previousLookAt);
-
-                //TODO break block then return
-//                Minecraft.getMinecraft().addScheduledTask(() -> {
-//                    EffortlessBuilding.packetHandler.sendToServer(new QuickReplaceMessage(Minecraft.getMinecraft().objectMouseOver));
-//                });
-
             } else {
                 //Received serverside
                 EffortlessBuilding.proxy.getThreadListenerFromContext(ctx).addScheduledTask(() -> {
-                    QuickReplace.onMessageReceived(ctx.getServerHandler().player, message);
+                    BuildModifiers.onBlockPlacedMessage(ctx.getServerHandler().player, message);
                 });
+                // No response packet
+                return null;
             }
-            // No response packet
-            return null;
         }
     }
 }

src/main/java/nl/requios/effortlessbuilding/network/BuildSettingsMessage.java

@@ -1,20 +1,15 @@
 package nl.requios.effortlessbuilding.network;
 
 import io.netty.buffer.ByteBuf;
-import net.minecraft.client.Minecraft;
 import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.util.IThreadListener;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
 import net.minecraftforge.fml.common.network.simpleimpl.IMessage;
 import net.minecraftforge.fml.common.network.simpleimpl.IMessageHandler;
 import net.minecraftforge.fml.common.network.simpleimpl.MessageContext;
-import nl.requios.effortlessbuilding.Array;
+import nl.requios.effortlessbuilding.*;
-import nl.requios.effortlessbuilding.BuildSettingsManager;
 import nl.requios.effortlessbuilding.BuildSettingsManager.BuildSettings;
-import nl.requios.effortlessbuilding.EffortlessBuilding;
-import nl.requios.effortlessbuilding.Mirror;
 
 public class BuildSettingsMessage implements IMessage {
 
@@ -31,49 +26,96 @@ public class BuildSettingsMessage implements IMessage {
     public void toBytes(ByteBuf buf) {
         //MIRROR
         Mirror.MirrorSettings m = buildSettings.getMirrorSettings();
-        buf.writeBoolean(m.enabled);
+        buf.writeBoolean(m != null);
-        buf.writeDouble(m.position.x);
+        if (m != null) {
-        buf.writeDouble(m.position.y);
+            buf.writeBoolean(m.enabled);
-        buf.writeDouble(m.position.z);
+            buf.writeDouble(m.position.x);
-        buf.writeBoolean(m.mirrorX);
+            buf.writeDouble(m.position.y);
-        buf.writeBoolean(m.mirrorY);
+            buf.writeDouble(m.position.z);
-        buf.writeBoolean(m.mirrorZ);
+            buf.writeBoolean(m.mirrorX);
-        buf.writeInt(m.radius);
+            buf.writeBoolean(m.mirrorY);
-        buf.writeBoolean(m.drawLines);
+            buf.writeBoolean(m.mirrorZ);
-        buf.writeBoolean(m.drawPlanes);
+            buf.writeInt(m.radius);
+            buf.writeBoolean(m.drawLines);
+            buf.writeBoolean(m.drawPlanes);
+        }
 
         //ARRAY
         Array.ArraySettings a = buildSettings.getArraySettings();
-        buf.writeBoolean(a.enabled);
+        buf.writeBoolean(a != null);
-        buf.writeInt(a.offset.getX());
+        if (a != null) {
-        buf.writeInt(a.offset.getY());
+            buf.writeBoolean(a.enabled);
-        buf.writeInt(a.offset.getZ());
+            buf.writeInt(a.offset.getX());
-        buf.writeInt(a.count);
+            buf.writeInt(a.offset.getY());
+            buf.writeInt(a.offset.getZ());
+            buf.writeInt(a.count);
+        }
 
         buf.writeBoolean(buildSettings.doQuickReplace());
+
+        buf.writeInt(buildSettings.getReachUpgrade());
+
+        //RADIAL MIRROR
+        RadialMirror.RadialMirrorSettings r = buildSettings.getRadialMirrorSettings();
+        buf.writeBoolean(r != null);
+        if (r != null) {
+            buf.writeBoolean(r.enabled);
+            buf.writeDouble(r.position.x);
+            buf.writeDouble(r.position.y);
+            buf.writeDouble(r.position.z);
+            buf.writeInt(r.slices);
+            buf.writeBoolean(r.alternate);
+            buf.writeInt(r.radius);
+            buf.writeBoolean(r.drawLines);
+            buf.writeBoolean(r.drawPlanes);
+        }
     }
 
     @Override
     public void fromBytes(ByteBuf buf) {
         //MIRROR
-        boolean mirrorEnabled = buf.readBoolean();
+        Mirror.MirrorSettings m = new Mirror.MirrorSettings();
-        Vec3d mirrorPosition = new Vec3d(buf.readDouble(), buf.readDouble(), buf.readDouble());
+        if (buf.readBoolean()) {
-        boolean mirrorX = buf.readBoolean();
+            boolean mirrorEnabled = buf.readBoolean();
-        boolean mirrorY = buf.readBoolean();
+            Vec3d mirrorPosition = new Vec3d(buf.readDouble(), buf.readDouble(), buf.readDouble());
-        boolean mirrorZ = buf.readBoolean();
+            boolean mirrorX = buf.readBoolean();
-        int mirrorRadius = buf.readInt();
+            boolean mirrorY = buf.readBoolean();
-        boolean mirrorDrawLines = buf.readBoolean();
+            boolean mirrorZ = buf.readBoolean();
-        boolean mirrorDrawPlanes = buf.readBoolean();
+            int mirrorRadius = buf.readInt();
-        Mirror.MirrorSettings m = new Mirror.MirrorSettings(mirrorEnabled, mirrorPosition, mirrorX, mirrorY, mirrorZ, mirrorRadius, mirrorDrawLines, mirrorDrawPlanes);
+            boolean mirrorDrawLines = buf.readBoolean();
+            boolean mirrorDrawPlanes = buf.readBoolean();
+            m = new Mirror.MirrorSettings(mirrorEnabled, mirrorPosition, mirrorX, mirrorY, mirrorZ, mirrorRadius,
+                            mirrorDrawLines, mirrorDrawPlanes);
+        }
 
         //ARRAY
-        boolean arrayEnabled = buf.readBoolean();
+        Array.ArraySettings a = new Array.ArraySettings();
-        BlockPos arrayOffset = new BlockPos(buf.readInt(), buf.readInt(), buf.readInt());
+        if (buf.readBoolean()) {
-        int arrayCount = buf.readInt();
+            boolean arrayEnabled = buf.readBoolean();
-        Array.ArraySettings a = new Array.ArraySettings(arrayEnabled, arrayOffset, arrayCount);
+            BlockPos arrayOffset = new BlockPos(buf.readInt(), buf.readInt(), buf.readInt());
+            int arrayCount = buf.readInt();
+            a = new Array.ArraySettings(arrayEnabled, arrayOffset, arrayCount);
+        }
 
         boolean quickReplace = buf.readBoolean();
-        buildSettings = new BuildSettings(m, a, quickReplace);
+
+        int reachUpgrade = buf.readInt();
+
+        //RADIAL MIRROR
+        RadialMirror.RadialMirrorSettings r = new RadialMirror.RadialMirrorSettings();
+        if (buf.readBoolean()) {
+            boolean radialMirrorEnabled = buf.readBoolean();
+            Vec3d radialMirrorPosition = new Vec3d(buf.readDouble(), buf.readDouble(), buf.readDouble());
+            int radialMirrorSlices = buf.readInt();
+            boolean radialMirrorAlternate = buf.readBoolean();
+            int radialMirrorRadius = buf.readInt();
+            boolean radialMirrorDrawLines = buf.readBoolean();
+            boolean radialMirrorDrawPlanes = buf.readBoolean();
+            r = new RadialMirror.RadialMirrorSettings(radialMirrorEnabled, radialMirrorPosition, radialMirrorSlices,
+                            radialMirrorAlternate, radialMirrorRadius, radialMirrorDrawLines, radialMirrorDrawPlanes);
+        }
+
+        buildSettings = new BuildSettings(m, a, r, quickReplace, reachUpgrade);
     }
 
     // The params of the IMessageHandler are <REQ, REPLY>
@@ -84,25 +126,18 @@ public class BuildSettingsMessage implements IMessage {
         public IMessage onMessage(BuildSettingsMessage message, MessageContext ctx) {
             //EffortlessBuilding.log("message received on " + ctx.side + " side");
 
-            // This is the player the packet was sent to the server from
-            EntityPlayer player = EffortlessBuilding.proxy.getPlayerEntityFromContext(ctx);
             // The value that was sent
             BuildSettings buildSettings = message.buildSettings;
-            Mirror.MirrorSettings m = buildSettings.getMirrorSettings();
-            Array.ArraySettings a = buildSettings.getArraySettings();
-
-            // Sanitize
-            m.radius = Math.min(m.radius, Mirror.MAX_RADIUS);
-            m.radius = Math.max(1, m.radius);
-
-            a.count = Math.min(a.count, Array.MAX_COUNT);
-            a.count = Math.max(0, a.count);
 
             // Execute the action on the main server thread by adding it as a scheduled task
             IThreadListener threadListener = EffortlessBuilding.proxy.getThreadListenerFromContext(ctx);
             threadListener.addScheduledTask(() -> {
-                EntityPlayer p = EffortlessBuilding.proxy.getPlayerEntityFromContext(ctx);
+                EntityPlayer player = EffortlessBuilding.proxy.getPlayerEntityFromContext(ctx);
-                BuildSettingsManager.setBuildSettings(p, buildSettings);
+
+                // Sanitize
+                BuildSettingsManager.sanitize(buildSettings, player);
+
+                BuildSettingsManager.setBuildSettings(player, buildSettings);
             });
             // No response packet
             return null;

src/main/java/nl/requios/effortlessbuilding/proxy/ClientProxy.java

@@ -1,6 +1,8 @@
 package nl.requios.effortlessbuilding.proxy;
 
 import net.minecraft.block.Block;
+import net.minecraft.block.SoundType;
+import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.entity.EntityPlayerSP;
 import net.minecraft.client.renderer.block.model.ModelResourceLocation;
@@ -8,23 +10,39 @@ import net.minecraft.client.settings.KeyBinding;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.item.Item;
+import net.minecraft.item.ItemBlock;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.EnumHand;
 import net.minecraft.util.IThreadListener;
+import net.minecraft.util.SoundCategory;
+import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.util.text.TextFormatting;
 import net.minecraftforge.client.event.ModelRegistryEvent;
 import net.minecraftforge.client.model.ModelLoader;
+import net.minecraftforge.event.entity.EntityJoinWorldEvent;
 import net.minecraftforge.fml.client.registry.ClientRegistry;
 import net.minecraftforge.fml.common.Mod;
-import net.minecraftforge.fml.common.event.*;
+import net.minecraftforge.fml.common.event.FMLInitializationEvent;
+import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
+import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
+import net.minecraftforge.fml.common.event.FMLServerStartingEvent;
+import net.minecraftforge.fml.common.eventhandler.Event;
 import net.minecraftforge.fml.common.eventhandler.EventPriority;
 import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
 import net.minecraftforge.fml.common.gameevent.InputEvent;
 import net.minecraftforge.fml.common.gameevent.TickEvent;
 import net.minecraftforge.fml.common.network.simpleimpl.MessageContext;
 import net.minecraftforge.fml.relauncher.Side;
+import nl.requios.effortlessbuilding.BuildModifiers;
 import nl.requios.effortlessbuilding.BuildSettingsManager;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
 import nl.requios.effortlessbuilding.gui.SettingsGui;
+import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.helper.RenderHelper;
+import nl.requios.effortlessbuilding.item.ItemRandomizerBag;
+import nl.requios.effortlessbuilding.network.BlockBrokenMessage;
+import nl.requios.effortlessbuilding.network.BlockPlacedMessage;
 import nl.requios.effortlessbuilding.network.BuildSettingsMessage;
 import org.lwjgl.input.Keyboard;
 
@@ -33,6 +51,7 @@ public class ClientProxy implements IProxy {
     public static KeyBinding[] keyBindings;
     public static RayTraceResult previousLookAt;
     public static RayTraceResult currentLookAt;
+    private static int breakCooldown = 0;
 
     @Override
     public void preInit(FMLPreInitializationEvent event) {
@@ -41,11 +60,12 @@ public class ClientProxy implements IProxy {
     @Override
     public void init(FMLInitializationEvent event) {
         // register key bindings
-        keyBindings = new KeyBinding[2];
+        keyBindings = new KeyBinding[3];
 
         // instantiate the key bindings
-        keyBindings[0] = new KeyBinding("key.hud.desc", Keyboard.KEY_ADD, "key.effortlessbuilding.category");
+        keyBindings[0] = new KeyBinding("key.effortlessbuilding.hud.desc", Keyboard.KEY_ADD, "key.effortlessbuilding.category");
-        keyBindings[1] = new KeyBinding("key.replace.desc", Keyboard.KEY_SUBTRACT, "key.effortlessbuilding.category");
+        keyBindings[1] = new KeyBinding("key.effortlessbuilding.replace.desc", Keyboard.KEY_SUBTRACT, "key.effortlessbuilding.category");
+        keyBindings[2] = new KeyBinding("key.effortlessbuilding.creative.desc", Keyboard.KEY_F4, "key.effortlessbuilding.category");
 
         // register all the key bindings
         for (int i = 0; i < keyBindings.length; ++i) {
@@ -70,7 +90,7 @@ public class ClientProxy implements IProxy {
 
     @Override
     public void serverStarting(FMLServerStartingEvent event) {
-        // This will never get called on client side
+        //This will get called clientside
     }
 
     @SubscribeEvent
@@ -84,27 +104,108 @@ public class ClientProxy implements IProxy {
         }
     }
 
-    @SubscribeEvent(priority = EventPriority.NORMAL, receiveCanceled = true)
+    @SubscribeEvent
-    public static void onKeyPress(InputEvent.KeyInputEvent event) {
+    public static void onEntityJoinWorld(EntityJoinWorldEvent event) {
-        // check each enumerated key binding type for pressed and take appropriate action
+        if (event.getEntity() == Minecraft.getMinecraft().player) {
-        EntityPlayerSP player = Minecraft.getMinecraft().player;
+            event.getWorld().addEventListener(new RenderHelper());
-        if (keyBindings[0].isPressed()) {
+        }
-            // do stuff for this key binding here
+    }
-            // remember you may need to send packet to server
+
-            if (Minecraft.getMinecraft().currentScreen == null) {
+    @SubscribeEvent
-                Minecraft.getMinecraft().displayGuiScreen(new SettingsGui());
+    public static void onMouseInput(InputEvent.MouseInputEvent event) {
-            } else {
+        Minecraft mc = Minecraft.getMinecraft();
-                player.closeScreen();
+        EntityPlayerSP player = mc.player;
+
+        if (!BuildModifiers.isEnabled(BuildSettingsManager.getBuildSettings(player), player.getPosition())) return;
+
+        if (mc.gameSettings.keyBindUseItem.isPressed()) {
+            //KeyBinding.setKeyBindState(mc.gameSettings.keyBindUseItem.getKeyCode(), false);
+
+            ItemStack currentItemStack = player.getHeldItem(EnumHand.MAIN_HAND);
+            if (currentItemStack.getItem() instanceof ItemBlock ||
+                (currentItemStack.getItem() instanceof ItemRandomizerBag && !player.isSneaking())) {
+                //find position in distance
+                RayTraceResult lookingAt = getLookingAt(player);
+                if (lookingAt != null && lookingAt.typeOfHit == RayTraceResult.Type.BLOCK) {
+                    EffortlessBuilding.packetHandler.sendToServer(new BlockPlacedMessage(lookingAt));
+
+                    //play sound if further than normal
+                    if ((lookingAt.hitVec.subtract(player.getPositionEyes(1f))).lengthSquared() > 25f) {
+                        BlockPos blockPos = lookingAt.getBlockPos();
+                        IBlockState state = player.world.getBlockState(blockPos);
+                        SoundType soundtype = state.getBlock().getSoundType(state, player.world, blockPos, player);
+                        player.world.playSound(player, blockPos, soundtype.getPlaceSound(), SoundCategory.BLOCKS,
+                                (soundtype.getVolume() + 1.0F) / 2.0F, soundtype.getPitch() * 0.8F);
+                        player.swingArm(EnumHand.MAIN_HAND);
+                    }
+                }
             }
         }
+
+        if (mc.gameSettings.keyBindAttack.isKeyDown()) {
+            //KeyBinding.setKeyBindState(mc.gameSettings.keyBindAttack.getKeyCode(), false);
+
+            //Break block in distance in creative (or survival if enabled in config)
+            if (ReachHelper.canBreakFar(player)) {
+                if (breakCooldown <= 0) {
+                    breakCooldown = 6;
+                    RayTraceResult lookingAt = getLookingAt(player);
+                    if (lookingAt != null && lookingAt.typeOfHit == RayTraceResult.Type.BLOCK) {
+                        EffortlessBuilding.packetHandler.sendToServer(new BlockBrokenMessage(lookingAt));
+
+                        //play sound
+                        BlockPos blockPos = lookingAt.getBlockPos();
+                        IBlockState state = player.world.getBlockState(blockPos);
+                        SoundType soundtype = state.getBlock().getSoundType(state, player.world, blockPos, player);
+                        player.world.playSound(player, blockPos, soundtype.getBreakSound(), SoundCategory.BLOCKS,
+                                (soundtype.getVolume() + 1.0F) / 2.0F, soundtype.getPitch() * 0.8F);
+                        player.swingArm(EnumHand.MAIN_HAND);
+                    }
+                } else {
+                    breakCooldown--;
+                }
+            }
+        } else {
+            breakCooldown = 0;
+        }
+        event.setResult(Event.Result.ALLOW);
+    }
+
+    @SubscribeEvent(priority = EventPriority.NORMAL, receiveCanceled = true)
+    public static void onKeyPress(InputEvent.KeyInputEvent event) {
+        EntityPlayerSP player = Minecraft.getMinecraft().player;
+
+        //Remember to send packet to server if necessary
+        //Show HUD
+        if (keyBindings[0].isPressed()) {
+            //Disabled if max reach is 0, might be set in the config that way.
+            if (ReachHelper.getMaxReach(player) == 0) {
+                EffortlessBuilding.log(player, "Effortless Building is disabled until your reach has increased. Increase your reach with craftable reach upgrades.");
+            } else {
+                if (Minecraft.getMinecraft().currentScreen == null) {
+                    Minecraft.getMinecraft().displayGuiScreen(new SettingsGui());
+                } else {
+                    player.closeScreen();
+                }
+            }
+        }
+
+        //QuickReplace toggle
         if (keyBindings[1].isPressed()) {
-            // do stuff for this key binding here
-            // remember you may need to send packet to server
             BuildSettingsManager.BuildSettings buildSettings = BuildSettingsManager.getBuildSettings(player);
             buildSettings.setQuickReplace(!buildSettings.doQuickReplace());
             EffortlessBuilding.log(player, "Set "+ TextFormatting.GOLD + "Quick Replace " + TextFormatting.RESET + (buildSettings.doQuickReplace() ? "on" : "off"));
             EffortlessBuilding.packetHandler.sendToServer(new BuildSettingsMessage(buildSettings));
         }
+
+        //Creative/survival mode toggle
+        if (keyBindings[2].isPressed()) {
+            if (player.isCreative()) {
+                player.sendChatMessage("/gamemode 0");
+            } else {
+                player.sendChatMessage("/gamemode 1");
+            }
+        }
     }
 
     @SubscribeEvent
@@ -112,6 +213,7 @@ public class ClientProxy implements IProxy {
         if (event.phase != TickEvent.Phase.START) return;
 
         RayTraceResult objectMouseOver = Minecraft.getMinecraft().objectMouseOver;
+        //Checking for null is necessary! Even in vanilla when looking down ladders it is occasionally null (instead of Type MISS)
         if (objectMouseOver == null) return;
 
         if (currentLookAt == null) {
@@ -131,7 +233,18 @@ public class ClientProxy implements IProxy {
                 }
             }
         }
+    }
 
+    public static RayTraceResult getLookingAt(EntityPlayer player) {
+//        World world = player.world;
 
+        //base distance off of player ability (config)
+        float raytraceRange = ReachHelper.getMaxReach(player) / 4f;
+
+//        Vec3d look = player.getLookVec();
+//        Vec3d start = new Vec3d(player.posX, player.posY + player.getEyeHeight(), player.posZ);
+//        Vec3d end = new Vec3d(player.posX + look.x * raytraceRange, player.posY + player.getEyeHeight() + look.y * raytraceRange, player.posZ + look.z * raytraceRange);
+        return player.rayTrace(raytraceRange, 1f);
+//        return world.rayTraceBlocks(start, end, false, false, false);
     }
 }

src/main/java/nl/requios/effortlessbuilding/proxy/ServerProxy.java

@@ -1,6 +1,5 @@
 package nl.requios.effortlessbuilding.proxy;
 
-import net.minecraft.client.entity.AbstractClientPlayer;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.util.IThreadListener;
@@ -9,10 +8,6 @@ import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
 import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
 import net.minecraftforge.fml.common.event.FMLServerStartingEvent;
 import net.minecraftforge.fml.common.network.simpleimpl.MessageContext;
-import net.minecraftforge.fml.relauncher.Side;
-import nl.requios.effortlessbuilding.EffortlessBuilding;
-import nl.requios.effortlessbuilding.network.BuildSettingsMessage;
-import nl.requios.effortlessbuilding.network.QuickReplaceMessage;
 
 public class ServerProxy implements IProxy
 {
@@ -35,7 +30,6 @@ public class ServerProxy implements IProxy
     @Override
     public void serverStarting(FMLServerStartingEvent event)
     {
-        //event.registerServerCommand(new CommandStructureCapture());
     }
 
     @Override

src/main/resources/assets/effortlessbuilding/lang/en_us.lang

@@ -1,5 +1,11 @@
 key.effortlessbuilding.category=Effortless Building
-key.hud.desc=Open Settings
+key.effortlessbuilding.hud.desc=Open Settings
-key.replace.desc=Switch Replace Mode
+key.effortlessbuilding.replace.desc=Toggle QuickReplace
+key.effortlessbuilding.creative.desc=Toggle Survival/Creative Mode
 
-item.effortlessbuilding:randomizer_bag.name=Randomizer Bag
+item.effortlessbuilding:randomizer_bag.name=Randomizer Bag
+item.effortlessbuilding:reach_upgrade1.name=Reach Upgrade 1
+item.effortlessbuilding:reach_upgrade2.name=Reach Upgrade 2
+item.effortlessbuilding:reach_upgrade3.name=Reach Upgrade 3
+
+commands.reach.usage=/reach <level>

src/main/resources/assets/effortlessbuilding/models/item/reach_upgrade1.json

@@ -0,0 +1,6 @@
+{
+    "parent": "item/generated",
+    "textures": {
+        "layer0": "effortlessbuilding:items/reachupgrade1"
+    }
+}

src/main/resources/assets/effortlessbuilding/models/item/reach_upgrade2.json

@@ -0,0 +1,6 @@
+{
+    "parent": "item/generated",
+    "textures": {
+        "layer0": "effortlessbuilding:items/reachupgrade2"
+    }
+}

src/main/resources/assets/effortlessbuilding/models/item/reach_upgrade3.json

@@ -0,0 +1,6 @@
+{
+    "parent": "item/generated",
+    "textures": {
+        "layer0": "effortlessbuilding:items/reachupgrade3"
+    }
+}

src/main/resources/assets/effortlessbuilding/recipes/_factories.json

@@ -0,0 +1,5 @@
+{
+    "conditions": {
+        "enable_reach_upgrades": "nl.requios.effortlessbuilding.helper.ReachConditionFactory"
+    }
+}

src/main/resources/assets/effortlessbuilding/recipes/reach_upgrade1.json

@@ -0,0 +1,21 @@
+{
+    "conditions": [{
+        "type": "effortlessbuilding:enable_reach_upgrades"
+    }],
+    "type": "minecraft:crafting_shaped",
+    "pattern": [
+        " S",
+        "/ "
+    ],
+    "key": {
+        "S": {
+            "item": "minecraft:string"
+        },
+		"/": {
+            "item": "minecraft:stick"
+        }
+    },
+    "result": {
+        "item": "effortlessbuilding:reach_upgrade1"
+    }
+}

src/main/resources/assets/effortlessbuilding/recipes/reach_upgrade2.json

@@ -0,0 +1,21 @@
+{
+    "conditions": [{
+        "type": "effortlessbuilding:enable_reach_upgrades"
+    }],
+    "type": "minecraft:crafting_shaped",
+    "pattern": [
+        " M",
+        "/ "
+    ],
+    "key": {
+        "M": {
+            "item": "minecraft:magma_cream"
+        },
+		"/": {
+            "item": "minecraft:bone"
+        }
+    },
+    "result": {
+        "item": "effortlessbuilding:reach_upgrade2"
+    }
+}

src/main/resources/assets/effortlessbuilding/recipes/reach_upgrade3.json

@@ -0,0 +1,25 @@
+{
+    "conditions": [{
+        "type": "effortlessbuilding:enable_reach_upgrades"
+    }],
+    "type": "minecraft:crafting_shaped",
+    "pattern": [
+        " FE",
+        " /F",
+		"/  "
+    ],
+    "key": {
+        "E": {
+            "item": "minecraft:ender_eye"
+        },
+		"F": {
+            "item": "minecraft:feather"
+        },
+		"/": {
+            "item": "minecraft:blaze_rod"
+        }
+    },
+    "result": {
+        "item": "effortlessbuilding:reach_upgrade3"
+    }
+}

src/main/resources/mcmod.info

@@ -2,7 +2,7 @@
 {
   "modid": "effortlessbuilding",
   "name": "Effortless Building",
-  "description": "Makes building easier by providing tools like mirrors, arrays, quickreplace and a block randomizer.",
+  "description": "Makes building easier by providing tools like mirrors, arrays, QuickReplace and a block randomizer. For survival and creative mode.",
   "version": "${version}",
   "mcversion": "${mcversion}",
   "url": "https://minecraft.curseforge.com/projects/effortless-building",