Renamed helper package to utilities. Added systems. Removed direction parameter when placing blocks.

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

@@ -40,7 +40,7 @@ import nl.requios.effortlessbuilding.compatibility.CompatHelper;
 import nl.requios.effortlessbuilding.gui.buildmode.PlayerSettingsGui;
 import nl.requios.effortlessbuilding.gui.buildmode.RadialMenu;
 import nl.requios.effortlessbuilding.gui.buildmodifier.ModifierSettingsGui;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 import nl.requios.effortlessbuilding.network.*;
 import nl.requios.effortlessbuilding.render.BuildRenderTypes;
 import org.lwjgl.glfw.GLFW;

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

@@ -12,6 +12,7 @@ import net.minecraftforge.common.capabilities.RegisterCapabilitiesEvent;
 import net.minecraftforge.common.util.FakePlayer;
 import net.minecraftforge.event.AttachCapabilitiesEvent;
 import net.minecraftforge.event.TickEvent;
+import net.minecraftforge.event.entity.living.LivingEntityUseItemEvent;
 import net.minecraftforge.event.entity.player.PlayerEvent;
 import net.minecraftforge.event.level.BlockEvent;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
@@ -24,7 +25,7 @@ import nl.requios.effortlessbuilding.buildmodifier.UndoRedo;
 import nl.requios.effortlessbuilding.capability.ModeCapabilityManager;
 import nl.requios.effortlessbuilding.capability.ModifierCapabilityManager;
 import nl.requios.effortlessbuilding.compatibility.CompatHelper;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 import nl.requios.effortlessbuilding.network.AddUndoMessage;
 import nl.requios.effortlessbuilding.network.ClearUndoMessage;
 import nl.requios.effortlessbuilding.network.PacketHandler;
@@ -62,13 +63,12 @@ public class CommonEvents {
 
 	@SubscribeEvent
 	public static void onBlockPlaced(BlockEvent.EntityPlaceEvent event) {
-		if (event.getLevel().isClientSide()) return;
+		if (event.getLevel().isClientSide()) return; //Never called clientside anyway, but just to be sure
 
-		if (!(event.getEntity() instanceof Player)) return;
+		if (!(event.getEntity() instanceof Player player)) return;
 
 		if (event.getEntity() instanceof FakePlayer) return;
 
-		ServerPlayer player = ((ServerPlayer) event.getEntity());
 		BuildModes.BuildModeEnum buildMode = ModeSettingsManager.getModeSettings(player).getBuildMode();
 		ModifierSettingsManager.ModifierSettings modifierSettings = ModifierSettingsManager.getModifierSettings(player);
 
@@ -85,15 +85,15 @@ public class CommonEvents {
 			if (isPlayerHoldingBlock(player)) {
 				event.setCanceled(true);
 			}
-			PacketHandler.INSTANCE.send(PacketDistributor.PLAYER.with(() -> player), new RequestLookAtMessage(true));
+			PacketHandler.INSTANCE.send(PacketDistributor.PLAYER.with(() -> (ServerPlayer) player), new RequestLookAtMessage(true));
-			PacketHandler.INSTANCE.send(PacketDistributor.PLAYER.with(() -> player), new AddUndoMessage(event.getPos(), event.getBlockSnapshot().getReplacedBlock(), event.getState()));
+			PacketHandler.INSTANCE.send(PacketDistributor.PLAYER.with(() -> (ServerPlayer) player), new AddUndoMessage(event.getPos(), event.getBlockSnapshot().getReplacedBlock(), event.getState()));
 		} else {
 			//NORMAL mode, let vanilla handle block placing
 			//But modifiers should still work
 
 			//Send message to client, which sends message back with raytrace info
-			PacketHandler.INSTANCE.send(PacketDistributor.PLAYER.with(() -> player), new RequestLookAtMessage(false));
+			PacketHandler.INSTANCE.send(PacketDistributor.PLAYER.with(() -> (ServerPlayer) player), new RequestLookAtMessage(false));
-			PacketHandler.INSTANCE.send(PacketDistributor.PLAYER.with(() -> player), new AddUndoMessage(event.getPos(), event.getBlockSnapshot().getReplacedBlock(), event.getState()));
+			PacketHandler.INSTANCE.send(PacketDistributor.PLAYER.with(() -> (ServerPlayer) player), new AddUndoMessage(event.getPos(), event.getBlockSnapshot().getReplacedBlock(), event.getState()));
 		}
 	}
 
@@ -101,22 +101,23 @@ public class CommonEvents {
 	public static void onBlockBroken(BlockEvent.BreakEvent event) {
 		if (event.getLevel().isClientSide()) return;
 
-		if (event.getPlayer() instanceof FakePlayer) return;
+		Player player = event.getPlayer();
+		if (player instanceof FakePlayer) return;
 
 		//Cancel event if necessary
 		//If cant break far then dont cancel event ever
-		BuildModes.BuildModeEnum buildMode = ModeSettingsManager.getModeSettings(event.getPlayer()).getBuildMode();
+		BuildModes.BuildModeEnum buildMode = ModeSettingsManager.getModeSettings(player).getBuildMode();
-		if (buildMode != BuildModes.BuildModeEnum.DISABLED && ReachHelper.canBreakFar(event.getPlayer())) {
+		if (buildMode != BuildModes.BuildModeEnum.DISABLED && ReachHelper.canBreakFar(player)) {
 			event.setCanceled(true);
 		} else {
 			//NORMAL mode, let vanilla handle block breaking
 			//But modifiers and QuickReplace should still work
 			//Dont break the original block yourself, otherwise Tinkers Hammer and Veinminer won't work
-			BuildModes.onBlockBroken(event.getPlayer(), event.getPos(), false);
+			BuildModes.onBlockBroken(player, event.getPos(), false);
 
 			//Add to undo stack in client
-			if (event.getPlayer() instanceof ServerPlayer && event.getState() != null && event.getPos() != null) {
+			if (player instanceof ServerPlayer && event.getState() != null && event.getPos() != null) {
-				PacketDistributor.PacketTarget packetTarget = PacketDistributor.PLAYER.with(() -> (ServerPlayer) event.getPlayer());
+				PacketDistributor.PacketTarget packetTarget = PacketDistributor.PLAYER.with(() -> (ServerPlayer) player);
 				if (packetTarget != null)
 					PacketHandler.INSTANCE.send(packetTarget, new AddUndoMessage(event.getPos(), event.getState(), Blocks.AIR.defaultBlockState()));
 			}

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

@@ -22,12 +22,13 @@ import nl.requios.effortlessbuilding.compatibility.CompatHelper;
 import nl.requios.effortlessbuilding.gui.DiamondRandomizerBagContainer;
 import nl.requios.effortlessbuilding.gui.GoldenRandomizerBagContainer;
 import nl.requios.effortlessbuilding.gui.RandomizerBagContainer;
-import nl.requios.effortlessbuilding.helper.DelayedBlockPlacer;
+import nl.requios.effortlessbuilding.systems.DelayedBlockPlacer;
 import nl.requios.effortlessbuilding.item.*;
 import nl.requios.effortlessbuilding.network.PacketHandler;
 import nl.requios.effortlessbuilding.proxy.ClientProxy;
 import nl.requios.effortlessbuilding.proxy.IProxy;
 import nl.requios.effortlessbuilding.proxy.ServerProxy;
+import nl.requios.effortlessbuilding.systems.ServerBlockPlacer;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
@@ -40,6 +41,7 @@ public class EffortlessBuilding {
 	public static EffortlessBuilding instance;
 	public static IProxy proxy = DistExecutor.safeRunForDist(() -> ClientProxy::new, () -> ServerProxy::new);
 
+	public static final ServerBlockPlacer SERVER_BLOCK_PLACER = new ServerBlockPlacer();
 	public static final DelayedBlockPlacer DELAYED_BLOCK_PLACER = new DelayedBlockPlacer();
 
 	//Registration

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

@@ -6,9 +6,12 @@ import net.minecraftforge.fml.event.lifecycle.FMLClientSetupEvent;
 import nl.requios.effortlessbuilding.gui.DiamondRandomizerBagScreen;
 import nl.requios.effortlessbuilding.gui.GoldenRandomizerBagScreen;
 import nl.requios.effortlessbuilding.gui.RandomizerBagScreen;
+import nl.requios.effortlessbuilding.systems.BlockChain;
 
 public class EffortlessBuildingClient {
 
+    public static final BlockChain BLOCK_CHAIN = new BlockChain();
+
     public static void onConstructorClient(IEventBus modEventBus, IEventBus forgeEventBus) {
         modEventBus.addListener(EffortlessBuildingClient::clientSetup);
     }

src/main/java/nl/requios/effortlessbuilding/buildmode/BuildModes.java

@@ -11,8 +11,8 @@ import nl.requios.effortlessbuilding.EffortlessBuilding;
 import nl.requios.effortlessbuilding.buildmode.buildmodes.*;
 import nl.requios.effortlessbuilding.buildmodifier.BuildModifiers;
 import nl.requios.effortlessbuilding.buildmodifier.ModifierSettingsManager;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
-import nl.requios.effortlessbuilding.helper.SurvivalHelper;
+import nl.requios.effortlessbuilding.utilities.SurvivalHelper;
 import nl.requios.effortlessbuilding.network.BlockBrokenMessage;
 import nl.requios.effortlessbuilding.network.BlockPlacedMessage;
 
@@ -54,7 +54,7 @@ public class BuildModes {
 
 			//Offset in direction of sidehit if not quickreplace and not replaceable
 			boolean replaceable = player.level.getBlockState(startPos).getMaterial().isReplaceable();
-			boolean becomesDoubleSlab = SurvivalHelper.doesBecomeDoubleSlab(player, startPos, message.getSideHit());
+			boolean becomesDoubleSlab = SurvivalHelper.doesBecomeDoubleSlab(player, startPos);
 			if (!modifierSettings.doQuickReplace() && !replaceable && !becomesDoubleSlab) {
 				startPos = startPos.relative(message.getSideHit());
 			}

src/main/java/nl/requios/effortlessbuilding/buildmode/ModeSettingsManager.java

@@ -7,7 +7,7 @@ import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.network.PacketDistributor;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
 import nl.requios.effortlessbuilding.capability.ModeCapabilityManager;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 import nl.requios.effortlessbuilding.network.ModeSettingsMessage;
 import nl.requios.effortlessbuilding.network.PacketHandler;
 

src/main/java/nl/requios/effortlessbuilding/buildmode/ThreeClicksBuildMode.java

@@ -4,7 +4,7 @@ import net.minecraft.world.entity.player.Player;
 import net.minecraft.core.Direction;
 import net.minecraft.core.BlockPos;
 import net.minecraft.world.phys.Vec3;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 
 import java.util.*;
 

src/main/java/nl/requios/effortlessbuilding/buildmode/TwoClicksBuildMode.java

@@ -4,7 +4,7 @@ import net.minecraft.world.entity.player.Player;
 import net.minecraft.core.Direction;
 import net.minecraft.core.BlockPos;
 import net.minecraft.world.phys.Vec3;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 
 import java.util.ArrayList;
 import java.util.Dictionary;

src/main/java/nl/requios/effortlessbuilding/buildmode/buildmodes/Floor.java

@@ -6,7 +6,7 @@ import net.minecraft.world.phys.Vec3;
 import nl.requios.effortlessbuilding.buildmode.BuildModes;
 import nl.requios.effortlessbuilding.buildmode.ModeOptions;
 import nl.requios.effortlessbuilding.buildmode.TwoClicksBuildMode;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 
 import java.util.ArrayList;
 import java.util.List;

src/main/java/nl/requios/effortlessbuilding/buildmode/buildmodes/Line.java

@@ -5,7 +5,7 @@ import net.minecraft.core.BlockPos;
 import net.minecraft.world.phys.Vec3;
 import nl.requios.effortlessbuilding.buildmode.BuildModes;
 import nl.requios.effortlessbuilding.buildmode.TwoClicksBuildMode;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 
 import java.util.ArrayList;
 import java.util.List;

src/main/java/nl/requios/effortlessbuilding/buildmode/buildmodes/Pyramid.java

@@ -2,11 +2,8 @@ package nl.requios.effortlessbuilding.buildmode.buildmodes;
 
 import net.minecraft.core.BlockPos;
 import net.minecraft.world.entity.player.Player;
-import nl.requios.effortlessbuilding.buildmode.ModeOptions;
 import nl.requios.effortlessbuilding.buildmode.ThreeClicksBuildMode;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
 
-import java.util.ArrayList;
 import java.util.List;
 
 public class Pyramid extends ThreeClicksBuildMode {

src/main/java/nl/requios/effortlessbuilding/buildmode/buildmodes/SlopeFloor.java

@@ -4,7 +4,7 @@ import net.minecraft.world.entity.player.Player;
 import net.minecraft.core.BlockPos;
 import nl.requios.effortlessbuilding.buildmode.ModeOptions;
 import nl.requios.effortlessbuilding.buildmode.ThreeClicksBuildMode;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 
 import java.util.ArrayList;
 import java.util.List;

src/main/java/nl/requios/effortlessbuilding/buildmode/buildmodes/Wall.java

@@ -6,7 +6,7 @@ import net.minecraft.world.phys.Vec3;
 import nl.requios.effortlessbuilding.buildmode.BuildModes;
 import nl.requios.effortlessbuilding.buildmode.ModeOptions;
 import nl.requios.effortlessbuilding.buildmode.TwoClicksBuildMode;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 
 import java.util.ArrayList;
 import java.util.List;

src/main/java/nl/requios/effortlessbuilding/buildmodifier/BlockSet.java

@@ -10,16 +10,14 @@ public class BlockSet {
 	private final List<BlockPos> coordinates;
 	private final List<BlockState> previousBlockStates;
 	private final List<BlockState> newBlockStates;
-	private final Vec3 hitVec;
 	private final BlockPos firstPos;
 	private final BlockPos secondPos;
 
-	public BlockSet(List<BlockPos> coordinates, List<BlockState> previousBlockStates, List<BlockState> newBlockStates, Vec3 hitVec,
+	public BlockSet(List<BlockPos> coordinates, List<BlockState> previousBlockStates, List<BlockState> newBlockStates,
 					BlockPos firstPos, BlockPos secondPos) {
 		this.coordinates = coordinates;
 		this.previousBlockStates = previousBlockStates;
 		this.newBlockStates = newBlockStates;
-		this.hitVec = hitVec;
 		this.firstPos = firstPos;
 		this.secondPos = secondPos;
 	}
@@ -36,10 +34,6 @@ public class BlockSet {
 		return newBlockStates;
 	}
 
-	public Vec3 getHitVec() {
-		return hitVec;
-	}
-
 	public BlockPos getFirstPos() {
 		return firstPos;
 	}

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

@@ -17,8 +17,8 @@ import net.minecraft.world.level.Level;
 import nl.requios.effortlessbuilding.CommonConfig;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
 import nl.requios.effortlessbuilding.compatibility.CompatHelper;
-import nl.requios.effortlessbuilding.helper.DelayedBlockPlacer;
+import nl.requios.effortlessbuilding.systems.DelayedBlockPlacer;
-import nl.requios.effortlessbuilding.helper.SurvivalHelper;
+import nl.requios.effortlessbuilding.utilities.SurvivalHelper;
 import nl.requios.effortlessbuilding.item.AbstractRandomizerBagItem;
 import nl.requios.effortlessbuilding.render.BlockPreviews;
 
@@ -54,7 +54,7 @@ public class BuildModifiers {
 
 			//place blocks after delay
 			EffortlessBuilding.DELAYED_BLOCK_PLACER.placeBlocksDelayed(new DelayedBlockPlacer.Entry(world, player, coordinates,
-					blockStates, itemStacks, hitVec, placeStartPos, delay));
+					blockStates, itemStacks, placeStartPos, delay));
 		}
 	}
 
@@ -109,8 +109,7 @@ public class BuildModifiers {
 		//add to undo stack
 		BlockPos firstPos = startCoordinates.get(0);
 		BlockPos secondPos = startCoordinates.get(startCoordinates.size() - 1);
-		Vec3 hitVec = new Vec3(0.5, 0.5, 0.5);
+		UndoRedo.addUndo(player, new BlockSet(coordinates, previousBlockStates, newBlockStates, firstPos, secondPos));
-		UndoRedo.addUndo(player, new BlockSet(coordinates, previousBlockStates, newBlockStates, hitVec, firstPos, secondPos));
 
 	}
 

src/main/java/nl/requios/effortlessbuilding/buildmodifier/ModifierSettingsManager.java

@@ -8,7 +8,7 @@ import net.minecraftforge.network.PacketDistributor;
 import nl.requios.effortlessbuilding.CommonConfig;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
 import nl.requios.effortlessbuilding.capability.ModifierCapabilityManager;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 import nl.requios.effortlessbuilding.network.ModifierSettingsMessage;
 import nl.requios.effortlessbuilding.network.PacketHandler;
 

src/main/java/nl/requios/effortlessbuilding/buildmodifier/UndoRedo.java

@@ -12,9 +12,9 @@ import net.minecraft.world.phys.Vec3;
 import net.minecraft.server.level.ServerLevel;
 import nl.requios.effortlessbuilding.CommonConfig;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
-import nl.requios.effortlessbuilding.helper.FixedStack;
+import nl.requios.effortlessbuilding.utilities.FixedStack;
-import nl.requios.effortlessbuilding.helper.InventoryHelper;
+import nl.requios.effortlessbuilding.utilities.InventoryHelper;
-import nl.requios.effortlessbuilding.helper.SurvivalHelper;
+import nl.requios.effortlessbuilding.utilities.SurvivalHelper;
 import nl.requios.effortlessbuilding.render.BlockPreviews;
 
 import java.util.*;
@@ -82,7 +82,6 @@ public class UndoRedo {
 		List<BlockPos> coordinates = blockSet.getCoordinates();
 		List<BlockState> previousBlockStates = blockSet.getPreviousBlockStates();
 		List<BlockState> newBlockStates = blockSet.getNewBlockStates();
-		Vec3 hitVec = blockSet.getHitVec();
 
 		//Find up to date itemstacks in player inventory
 		List<ItemStack> itemStacks = findItemStacksInInventory(player, previousBlockStates);
@@ -118,7 +117,7 @@ public class UndoRedo {
 					}
 					if (itemStack.isEmpty()) SurvivalHelper.breakBlock(player.level, player, coordinate, true);
 					//if previousBlockState is air, placeBlock will set it to air
-					SurvivalHelper.placeBlock(player.level, player, coordinate, previousBlockState, itemStack, Direction.UP, hitVec, true, false, false);
+					SurvivalHelper.placeBlock(player.level, player, coordinate, previousBlockState, itemStack, true, false, false);
 				}
 			}
 		}
@@ -142,7 +141,6 @@ public class UndoRedo {
 		List<BlockPos> coordinates = blockSet.getCoordinates();
 		List<BlockState> previousBlockStates = blockSet.getPreviousBlockStates();
 		List<BlockState> newBlockStates = blockSet.getNewBlockStates();
-		Vec3 hitVec = blockSet.getHitVec();
 
 		//Find up to date itemstacks in player inventory
 		List<ItemStack> itemStacks = findItemStacksInInventory(player, newBlockStates);
@@ -177,7 +175,7 @@ public class UndoRedo {
 						}
 					}
 					if (itemStack.isEmpty()) SurvivalHelper.breakBlock(player.level, player, coordinate, true);
-					SurvivalHelper.placeBlock(player.level, player, coordinate, newBlockState, itemStack, Direction.UP, hitVec, true, false, false);
+					SurvivalHelper.placeBlock(player.level, player, coordinate, newBlockState, itemStack, true, false, false);
 				}
 			}
 		}

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

@@ -15,7 +15,7 @@ import nl.requios.effortlessbuilding.gui.elements.GuiCheckBoxFixed;
 import nl.requios.effortlessbuilding.gui.elements.GuiCollapsibleScrollEntry;
 import nl.requios.effortlessbuilding.gui.elements.GuiNumberField;
 import nl.requios.effortlessbuilding.gui.elements.GuiScrollPane;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 
 import java.util.ArrayList;
 import java.util.List;

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

@@ -14,7 +14,7 @@ import nl.requios.effortlessbuilding.EffortlessBuilding;
 import nl.requios.effortlessbuilding.buildmodifier.Mirror;
 import nl.requios.effortlessbuilding.buildmodifier.ModifierSettingsManager;
 import nl.requios.effortlessbuilding.gui.elements.*;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 
 import java.util.ArrayList;
 import java.util.Arrays;

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

@@ -14,7 +14,7 @@ import nl.requios.effortlessbuilding.EffortlessBuilding;
 import nl.requios.effortlessbuilding.buildmodifier.ModifierSettingsManager;
 import nl.requios.effortlessbuilding.buildmodifier.RadialMirror;
 import nl.requios.effortlessbuilding.gui.elements.*;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 
 import java.util.ArrayList;
 import java.util.Arrays;

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

@@ -27,7 +27,7 @@ import nl.requios.effortlessbuilding.buildmode.BuildModes;
 import nl.requios.effortlessbuilding.buildmode.ModeSettingsManager;
 import nl.requios.effortlessbuilding.buildmodifier.ModifierSettingsManager;
 import nl.requios.effortlessbuilding.capability.ItemHandlerCapabilityProvider;
-import nl.requios.effortlessbuilding.helper.SurvivalHelper;
+import nl.requios.effortlessbuilding.utilities.SurvivalHelper;
 
 import javax.annotation.Nullable;
 import javax.annotation.ParametersAreNonnullByDefault;
@@ -163,7 +163,7 @@ public abstract class AbstractRandomizerBagItem extends Item {
             BlockPlaceContext blockItemUseContext = new BlockPlaceContext(new UseOnContext(player, InteractionHand.MAIN_HAND, new BlockHitResult(hitVec, facing, pos, false)));
             BlockState blockState = Block.byItem(toPlace.getItem()).getStateForPlacement(blockItemUseContext);
 
-            SurvivalHelper.placeBlock(world, player, pos, blockState, toPlace, facing, hitVec, false, false, true);
+            SurvivalHelper.placeBlock(world, player, pos, blockState, toPlace, false, false, true);
 
             //Synergy
             //Works without calling

src/main/java/nl/requios/effortlessbuilding/item/ReachUpgrade1Item.java

@@ -12,7 +12,7 @@ import net.minecraft.world.level.Level;
 import nl.requios.effortlessbuilding.CommonConfig;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
 import nl.requios.effortlessbuilding.buildmodifier.ModifierSettingsManager;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 
 import javax.annotation.Nullable;
 import javax.annotation.ParametersAreNonnullByDefault;

src/main/java/nl/requios/effortlessbuilding/item/ReachUpgrade2Item.java

@@ -12,7 +12,7 @@ import net.minecraft.world.level.Level;
 import nl.requios.effortlessbuilding.CommonConfig;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
 import nl.requios.effortlessbuilding.buildmodifier.ModifierSettingsManager;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 
 import javax.annotation.Nullable;
 import javax.annotation.ParametersAreNonnullByDefault;

src/main/java/nl/requios/effortlessbuilding/item/ReachUpgrade3Item.java

@@ -12,7 +12,7 @@ import net.minecraft.world.level.Level;
 import nl.requios.effortlessbuilding.CommonConfig;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
 import nl.requios.effortlessbuilding.buildmodifier.ModifierSettingsManager;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
 
 import javax.annotation.Nullable;
 import javax.annotation.ParametersAreNonnullByDefault;

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

@@ -93,7 +93,6 @@ public class AddUndoMessage {
 					new ArrayList<BlockState>() {{
 						add(message.getNewBlockState());
 					}},
-					new Vec3(0, 0, 0),
 					message.getCoordinate(), message.getCoordinate()));
 		}
 	}

src/main/java/nl/requios/effortlessbuilding/render/BlockPreviews.java

@@ -30,9 +30,8 @@ import nl.requios.effortlessbuilding.compatibility.CompatHelper;
 import nl.requios.effortlessbuilding.create.AllSpecialTextures;
 import nl.requios.effortlessbuilding.create.CreateClient;
 import nl.requios.effortlessbuilding.create.foundation.utility.Color;
-import nl.requios.effortlessbuilding.create.foundation.utility.VecHelper;
+import nl.requios.effortlessbuilding.utilities.ReachHelper;
-import nl.requios.effortlessbuilding.helper.ReachHelper;
+import nl.requios.effortlessbuilding.utilities.SurvivalHelper;
-import nl.requios.effortlessbuilding.helper.SurvivalHelper;
 import nl.requios.effortlessbuilding.item.AbstractRandomizerBagItem;
 
 import java.util.ArrayList;
@@ -270,7 +269,7 @@ public class BlockPreviews {
 			//Check if we can place
 			boolean canPlace = true;
 			if (checkCanPlace) {
-				canPlace = SurvivalHelper.canPlace(player.level, player, blockPos, blockState, itemstack, modifierSettings.doQuickReplace(), Direction.UP);
+				canPlace = SurvivalHelper.canPlace(player.level, player, blockPos, blockState, itemstack, modifierSettings.doQuickReplace());
 			} else {
 				//If check is turned off, check if blockstate is the same (for dissolve effect)
 				canPlace = player.level.getBlockState(blockPos) != blockState;

src/main/java/nl/requios/effortlessbuilding/render/RenderHandler.java

@@ -23,7 +23,7 @@ import nl.requios.effortlessbuilding.buildmode.BuildModes;
 import nl.requios.effortlessbuilding.buildmode.ModeSettingsManager;
 import nl.requios.effortlessbuilding.buildmodifier.ModifierSettingsManager;
 import nl.requios.effortlessbuilding.compatibility.CompatHelper;
-import nl.requios.effortlessbuilding.helper.SurvivalHelper;
+import nl.requios.effortlessbuilding.utilities.SurvivalHelper;
 
 /***
  * Main render class for Effortless Building
@@ -61,7 +61,7 @@ public class RenderHandler {
 
 			//Check if tool (or none) in hand
 			boolean replaceable = player.level.getBlockState(startPos).getMaterial().isReplaceable();
-			boolean becomesDoubleSlab = SurvivalHelper.doesBecomeDoubleSlab(player, startPos, blockLookingAt.getDirection());
+			boolean becomesDoubleSlab = SurvivalHelper.doesBecomeDoubleSlab(player, startPos);
 			if (!modifierSettings.doQuickReplace() && !noBlockInHand && !replaceable && !becomesDoubleSlab) {
 				startPos = startPos.relative(blockLookingAt.getDirection());
 			}

src/main/java/nl/requios/effortlessbuilding/systems/BlockChain.java

@@ -0,0 +1,11 @@
+package nl.requios.effortlessbuilding.systems;
+
+import net.minecraftforge.api.distmarker.Dist;
+import net.minecraftforge.api.distmarker.OnlyIn;
+
+// Receives block placed events, then finds additional blocks we want to place through various systems,
+// and then sends them to the server to be placed
+@OnlyIn(Dist.CLIENT)
+public class BlockChain {
+
+}

src/main/java/nl/requios/effortlessbuilding/systems/DelayedBlockPlacer.java

@@ -1,16 +1,15 @@
-package nl.requios.effortlessbuilding.helper;
+package nl.requios.effortlessbuilding.systems;
 
 import net.minecraft.core.BlockPos;
-import net.minecraft.core.Direction;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.Blocks;
 import net.minecraft.world.level.block.state.BlockState;
-import net.minecraft.world.phys.Vec3;
 import nl.requios.effortlessbuilding.buildmodifier.BlockSet;
 import nl.requios.effortlessbuilding.buildmodifier.UndoRedo;
-import nl.requios.effortlessbuilding.create.foundation.utility.AnimationTickHolder;
+import nl.requios.effortlessbuilding.utilities.InventoryHelper;
+import nl.requios.effortlessbuilding.utilities.SurvivalHelper;
 
 import java.util.*;
 
@@ -45,18 +44,16 @@ public class DelayedBlockPlacer {
         private List<BlockPos> coordinates;
         private List<BlockState> blockStates;
         private List<ItemStack> itemStacks;
-        private Vec3 hitVec;
         private boolean placeStartPos;
         private int ticksTillPlacement;
 
         public Entry(Level world, Player player, List<BlockPos> coordinates, List<BlockState> blockStates,
-                     List<ItemStack> itemStacks, Vec3 hitVec, boolean placeStartPos, int ticksTillPlacement) {
+                     List<ItemStack> itemStacks, boolean placeStartPos, int ticksTillPlacement) {
             this.world = world;
             this.player = player;
             this.coordinates = coordinates;
             this.blockStates = blockStates;
             this.itemStacks = itemStacks;
-            this.hitVec = hitVec;
             this.placeStartPos = placeStartPos;
             this.ticksTillPlacement = ticksTillPlacement;
         }
@@ -80,7 +77,7 @@ public class DelayedBlockPlacer {
 						itemStack = InventoryHelper.findItemStackInInventory(player, blockState.getBlock());
 						if (itemStack.isEmpty()) continue;
 					}
-					SurvivalHelper.placeBlock(world, player, blockPos, blockState, itemStack, Direction.UP, hitVec, false, false, false);
+					SurvivalHelper.placeBlock(world, player, blockPos, blockState, itemStack, false, false, false);
 				}
 			}
 
@@ -100,7 +97,7 @@ public class DelayedBlockPlacer {
                 //add to undo stack
                 BlockPos firstPos = coordinates.get(0);
                 BlockPos secondPos = coordinates.get(coordinates.size() - 1);
-                UndoRedo.addUndo(player, new BlockSet(coordinates, previousBlockStates, newBlockStates, hitVec, firstPos, secondPos));
+                UndoRedo.addUndo(player, new BlockSet(coordinates, previousBlockStates, newBlockStates, firstPos, secondPos));
             }
         }
 

src/main/java/nl/requios/effortlessbuilding/systems/ServerBlockPlacer.java

@@ -0,0 +1,6 @@
+package nl.requios.effortlessbuilding.systems;
+
+// Receives block placement requests from the client and places them
+public class ServerBlockPlacer {
+
+}

src/main/java/nl/requios/effortlessbuilding/utilities/FixedStack.java

@@ -1,4 +1,4 @@
-package nl.requios.effortlessbuilding.helper;
+package nl.requios.effortlessbuilding.utilities;
 
 //Stack with fixed size. Removes (overwrites) oldest element on push.
 public class FixedStack<T> {

src/main/java/nl/requios/effortlessbuilding/utilities/InventoryHelper.java

@@ -1,4 +1,4 @@
-package nl.requios.effortlessbuilding.helper;
+package nl.requios.effortlessbuilding.utilities;
 
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.entity.player.Player;

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

@@ -1,4 +1,4 @@
-package nl.requios.effortlessbuilding.helper;
+package nl.requios.effortlessbuilding.utilities;
 
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.util.Mth;

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

@@ -1,4 +1,4 @@
-package nl.requios.effortlessbuilding.helper;
+package nl.requios.effortlessbuilding.utilities;
 
 import net.minecraft.advancements.CriteriaTriggers;
 import net.minecraft.core.BlockPos;
@@ -35,7 +35,7 @@ public class SurvivalHelper {
 	//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(Level world, Player player, BlockPos pos, BlockState blockState,
-									 ItemStack origstack, Direction facing, Vec3 hitVec, boolean skipPlaceCheck,
+									 ItemStack origstack, boolean skipPlaceCheck,
 									 boolean skipCollisionCheck, boolean playSound) {
 		if (!world.isLoaded(pos)) return false;
 		ItemStack itemstack = origstack;
@@ -57,7 +57,7 @@ public class SurvivalHelper {
 
 
 		//More manual with ItemBlock#placeBlockAt
-		if (skipPlaceCheck || canPlace(world, player, pos, blockState, itemstack, skipCollisionCheck, facing.getOpposite())) {
+		if (skipPlaceCheck || canPlace(world, player, pos, blockState, itemstack, skipCollisionCheck)) {
 			//Drop existing block
 			dropBlock(world, player, pos);
 
@@ -182,10 +182,9 @@ public class SurvivalHelper {
 	 * @param newBlockState      the blockstate that is going to be placed
 	 * @param itemStack          the itemstack used for placing
 	 * @param skipCollisionCheck skips collision check with entities
-	 * @param sidePlacedOn
 	 * @return Whether the player may place the block at pos with itemstack
 	 */
-	public static boolean canPlace(Level world, Player player, BlockPos pos, BlockState newBlockState, ItemStack itemStack, boolean skipCollisionCheck, Direction sidePlacedOn) {
+	public static boolean canPlace(Level world, Player player, BlockPos pos, BlockState newBlockState, ItemStack itemStack, boolean skipCollisionCheck) {
 
 		if (!player.isCreative()) {
 			//Check if itemstack is correct
@@ -202,7 +201,7 @@ public class SurvivalHelper {
 			block = newBlockState.getBlock();
 
 		return canPlayerEdit(player, world, pos, itemStack) &&
-			mayPlace(world, block, newBlockState, pos, skipCollisionCheck, sidePlacedOn, player) &&
+			mayPlace(world, block, newBlockState, pos, skipCollisionCheck, player) &&
 			canReplace(world, player, pos);
 	}
 
@@ -248,7 +247,7 @@ public class SurvivalHelper {
 	}
 
 	//From World#mayPlace
-	private static boolean mayPlace(Level world, Block blockIn, BlockState newBlockState, BlockPos pos, boolean skipCollisionCheck, Direction sidePlacedOn, @Nullable Entity placer) {
+	private static boolean mayPlace(Level world, Block blockIn, BlockState newBlockState, BlockPos pos, boolean skipCollisionCheck, @Nullable Entity placer) {
 		BlockState currentBlockState = world.getBlockState(pos);
 		VoxelShape voxelShape = skipCollisionCheck ? null : blockIn.defaultBlockState().getCollisionShape(world, pos);
 
@@ -257,7 +256,7 @@ public class SurvivalHelper {
 		}
 
 		//Check if double slab
-		if (placer != null && doesBecomeDoubleSlab(((Player) placer), pos, sidePlacedOn)) {
+		if (placer != null && doesBecomeDoubleSlab(((Player) placer), pos)) {
 			return true;
 		}
 
@@ -290,7 +289,7 @@ public class SurvivalHelper {
 		return ForgeEventFactory.doPlayerHarvestCheck(player, blockState, true);
 	}
 
-	public static boolean doesBecomeDoubleSlab(Player player, BlockPos pos, Direction facing) {
+	public static boolean doesBecomeDoubleSlab(Player player, BlockPos pos) {
 		BlockState placedBlockState = player.level.getBlockState(pos);
 
 		ItemStack itemstack = player.getItemInHand(InteractionHand.MAIN_HAND);