Added server validation: allowInSurvival and whitelist.

Instantly placing blocksets of size 1.
Added server config and moved some config values around.

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

@@ -2,18 +2,22 @@ package nl.requios.effortlessbuilding;
 
 import net.minecraftforge.common.ForgeConfigSpec;
 
+import static net.minecraftforge.common.ForgeConfigSpec.*;
+
 public class ClientConfig {
 
-	private static final ForgeConfigSpec.Builder builder = new ForgeConfigSpec.Builder();
+	private static final Builder builder = new Builder();
 	public static final Visuals visuals = new Visuals(builder);
 	public static final ForgeConfigSpec spec = builder.build();
 
 	public static class Visuals {
-		public final ForgeConfigSpec.ConfigValue<Boolean> showBlockPreviews;
+		public final BooleanValue showBlockPreviews;
-		public final ForgeConfigSpec.ConfigValue<Boolean> onlyShowBlockPreviewsWhenBuilding;
+		public final BooleanValue onlyShowBlockPreviewsWhenBuilding;
-		public final ForgeConfigSpec.ConfigValue<Integer> maxBlockPreviews;
+		public final IntValue maxBlockPreviews;
+		public final IntValue appearAnimationLength;
+		public final IntValue breakAnimationLength;
 
-		public Visuals(ForgeConfigSpec.Builder builder) {
+		public Visuals(Builder builder) {
 			builder.push("Visuals");
 
 			showBlockPreviews = builder
@@ -27,8 +31,17 @@ public class ClientConfig {
 			maxBlockPreviews = builder
 				.comment("Don't show block previews when placing more than this many blocks. " +
 						 "The outline will always be rendered.")
-				.define("maxBlockPreviews", 500);
+				.defineInRange("maxBlockPreviews", 500, 0, 5000);
 
+			appearAnimationLength = builder
+					.comment("How long it takes for a block to appear when placed in ticks.",
+							"Set to 0 to disable animation.")
+					.defineInRange("appearAnimationLength", 5, 0, 100);
+
+			breakAnimationLength = builder
+					.comment("How long the break animation is in ticks.",
+							"Set to 0 to disable animation.")
+					.defineInRange("breakAnimationLength", 10, 0, 100);
 
 			builder.pop();
 		}

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

@@ -3,23 +3,24 @@ package nl.requios.effortlessbuilding;
 import net.minecraftforge.common.ForgeConfigSpec;
 import nl.requios.effortlessbuilding.create.foundation.render.SuperByteBufferCache;
 
+import static net.minecraftforge.common.ForgeConfigSpec.*;
+
 public class CommonConfig {
 
-	private static final ForgeConfigSpec.Builder builder = new ForgeConfigSpec.Builder();
+	private static final Builder builder = new Builder();
 	public static final Reach reach = new Reach(builder);
 	public static final SurvivalBalancers survivalBalancers = new SurvivalBalancers(builder);
-	public static final Visuals visuals = new Visuals(builder);
 	public static final ForgeConfigSpec spec = builder.build();
 
 	public static class Reach {
-		public final ForgeConfigSpec.ConfigValue<Boolean> enableReachUpgrades;
+		public final BooleanValue enableReachUpgrades;
-		public final ForgeConfigSpec.ConfigValue<Integer> maxReachCreative;
+		public final IntValue maxReachCreative;
-		public final ForgeConfigSpec.ConfigValue<Integer> maxReachLevel0;
+		public final IntValue maxReachLevel0;
-		public final ForgeConfigSpec.ConfigValue<Integer> maxReachLevel1;
+		public final IntValue maxReachLevel1;
-		public final ForgeConfigSpec.ConfigValue<Integer> maxReachLevel2;
+		public final IntValue maxReachLevel2;
-		public final ForgeConfigSpec.ConfigValue<Integer> maxReachLevel3;
+		public final IntValue maxReachLevel3;
 
-		public Reach(ForgeConfigSpec.Builder builder) {
+		public Reach(Builder builder) {
 			builder.push("Reach");
 			enableReachUpgrades = builder
 				.comment("Reach: how far away the player can place blocks using mirror/array etc.",
@@ -30,35 +31,34 @@ public class CommonConfig {
 			maxReachCreative = builder
 				.comment("Maximum reach in creative",
 					"Keep in mind that chunks need to be loaded to be able to place blocks inside.")
-				.define("maxReachCreative", 200);
+				.defineInRange("maxReachCreative", 200, 0, 1000);
 
 			maxReachLevel0 = builder
 				.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.")
-				.define("maxReachLevel0", 20);
+				.defineInRange("maxReachLevel0", 20, 0, 1000);
 
 			maxReachLevel1 = builder
 				.comment("Maximum reach in survival with one upgrade")
-				.define("maxReachLevel1", 50);
+				.defineInRange("maxReachLevel1", 50, 0, 1000);
 
 			maxReachLevel2 = builder
 				.comment("Maximum reach in survival with two upgrades")
-				.define("maxReachLevel2", 100);
+				.defineInRange("maxReachLevel2", 100, 0, 1000);
 
 			maxReachLevel3 = builder
 				.comment("Maximum reach in survival with three upgrades")
-				.define("maxReachLevel3", 200);
+				.defineInRange("maxReachLevel3", 200, 0, 1000);
 
 			builder.pop();
 		}
 	}
 
 	public static class SurvivalBalancers {
-		public final ForgeConfigSpec.ConfigValue<Integer> quickReplaceMiningLevel;
+		public final IntValue quickReplaceMiningLevel;
-		public final ForgeConfigSpec.ConfigValue<Integer> undoStackSize;
 
-		public SurvivalBalancers(ForgeConfigSpec.Builder builder) {
+		public SurvivalBalancers(Builder builder) {
 			builder.push("SurvivalBalancers");
 
 			quickReplaceMiningLevel = builder
@@ -71,32 +71,6 @@ public class CommonConfig {
 					"4: blocks that can be harvested with netherite tools")
 				.defineInRange("quickReplaceMiningLevel", -1, -1, 3);
 
-			undoStackSize = builder
-				.comment("How many placements are remembered for the undo functionality.")
-				.worldRestart()
-				.define("undoStackSize", 50);
-
-			builder.pop();
-		}
-	}
-
-	public static class Visuals {
-		public final ForgeConfigSpec.ConfigValue<Integer> appearAnimationLength;
-		public final ForgeConfigSpec.ConfigValue<Integer> breakAnimationLength;
-
-        public Visuals(ForgeConfigSpec.Builder builder) {
-			builder.push("Visuals");
-
-			appearAnimationLength = builder
-				.comment("How long it takes for a block to appear when placed in ticks.",
-					"Set to 0 to disable animation.")
-				.define("appearAnimationLength", 5);
-
-			breakAnimationLength = builder
-				.comment("How long the break animation is in ticks.",
-					"Set to 0 to disable animation.")
-				.define("breakAnimationLength", 10);
-
 			builder.pop();
 		}
 	}

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

@@ -74,6 +74,7 @@ public class EffortlessBuilding {
 		//Register config
 		ModLoadingContext.get().registerConfig(ModConfig.Type.COMMON, CommonConfig.spec);
 		ModLoadingContext.get().registerConfig(ModConfig.Type.CLIENT, ClientConfig.spec);
+		ModLoadingContext.get().registerConfig(ModConfig.Type.SERVER, ServerConfig.spec);
 	}
 
 	public static void setup(final FMLCommonSetupEvent event) {

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

@@ -0,0 +1,55 @@
+package nl.requios.effortlessbuilding;
+
+import net.minecraftforge.common.ForgeConfigSpec;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import static net.minecraftforge.common.ForgeConfigSpec.*;
+
+public class ServerConfig {
+    private static final Builder builder = new Builder();
+    public static final ServerConfig.Validation validation = new ServerConfig.Validation(builder);
+    public static final ServerConfig.Memory memory = new ServerConfig.Memory(builder);
+    public static final ForgeConfigSpec spec = builder.build();
+
+    public static class Validation {
+        public final BooleanValue allowInSurvival;
+        public final BooleanValue useWhitelist;
+        public final ConfigValue<List<? extends String>> whitelist;
+
+        public Validation(Builder builder) {
+            builder.push("Validation");
+
+            allowInSurvival = builder
+                    .comment("Allow use of the mod for players that are in survival mode. Otherwise, only creative mode players can use the mod.")
+                    .define("allowInSurvival", true);
+
+            useWhitelist = builder
+                    .comment("Use a whitelist to determine which players can use the mod. If false, all players can use the mod.")
+                    .define("useWhitelist", false);
+
+            whitelist = builder
+                    .comment("List of player names that can use the mod.")
+                    .defineList("whitelist", Arrays.asList("Player1", "Player2"), o -> true);
+
+            builder.pop();
+        }
+    }
+
+    public static class Memory {
+        public final IntValue undoStackSize;
+
+        public Memory(Builder builder) {
+            builder.push("Memory");
+
+            undoStackSize = builder
+                    .comment("How many placements are remembered for the undo functionality.")
+                    .worldRestart()
+                    .defineInRange("undoStackSize", 50, 10, 200);
+
+            builder.pop();
+        }
+    }
+}

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

@@ -40,7 +40,7 @@ public class BlockPreviews {
 		if (ClientConfig.visuals.showBlockPreviews.get()) {
 			for (PlacedBlocksEntry placed : placedBlocksList) {
 
-				int totalTime = placed.breaking ? CommonConfig.visuals.breakAnimationLength.get() : CommonConfig.visuals.appearAnimationLength.get();
+				int totalTime = placed.breaking ? ClientConfig.visuals.breakAnimationLength.get() : ClientConfig.visuals.appearAnimationLength.get();
 				if (totalTime <= 0) continue;
 
 				float dissolve = (ClientEvents.ticksInGame - placed.time) / (float) totalTime;
@@ -50,7 +50,7 @@ public class BlockPreviews {
 
 		//Expire
 		placedBlocksList.removeIf(placed -> {
-			int totalTime = placed.breaking ? CommonConfig.visuals.breakAnimationLength.get() : CommonConfig.visuals.appearAnimationLength.get();
+			int totalTime = placed.breaking ? ClientConfig.visuals.breakAnimationLength.get() : ClientConfig.visuals.appearAnimationLength.get();
 			return placed.time + totalTime < ClientEvents.ticksInGame;
 		});
 	}
@@ -228,7 +228,7 @@ public class BlockPreviews {
 
 		placedBlocksList.add(new PlacedBlocksEntry(ClientEvents.ticksInGame, false, new BlockSet(blocks)));
 
-		CreateClient.OUTLINER.keep(blocks.firstPos, CommonConfig.visuals.appearAnimationLength.get());
+		CreateClient.OUTLINER.keep(blocks.firstPos, ClientConfig.visuals.appearAnimationLength.get());
 	}
 
 	public void onBlocksBroken(BlockSet blocks) {
@@ -237,7 +237,7 @@ public class BlockPreviews {
 
 		placedBlocksList.add(new PlacedBlocksEntry(ClientEvents.ticksInGame, true, new BlockSet(blocks)));
 
-		CreateClient.OUTLINER.keep(blocks.firstPos, CommonConfig.visuals.breakAnimationLength.get());
+		CreateClient.OUTLINER.keep(blocks.firstPos, ClientConfig.visuals.breakAnimationLength.get());
 	}
 
 	private void sortOnDistanceToPlayer(List<BlockPos> coordinates, Player player) {

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

@@ -17,6 +17,7 @@ import net.minecraft.world.phys.HitResult;
 import net.minecraft.world.phys.Vec3;
 import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.api.distmarker.OnlyIn;
+import nl.requios.effortlessbuilding.ClientConfig;
 import nl.requios.effortlessbuilding.ClientEvents;
 import nl.requios.effortlessbuilding.CommonConfig;
 import nl.requios.effortlessbuilding.EffortlessBuildingClient;
@@ -87,7 +88,8 @@ public class BuilderChain {
                 player.swing(InteractionHand.MAIN_HAND);
 
                 blocks.skipFirst = buildMode == BuildModeEnum.DISABLED;
-                long placeTime = player.level.getGameTime() + CommonConfig.visuals.appearAnimationLength.get() - 3;
+                long placeTime = player.level.getGameTime();
+                if (blocks.size() > 1) placeTime += ClientConfig.visuals.appearAnimationLength.get();
                 PacketHandler.INSTANCE.sendToServer(new ServerPlaceBlocksPacket(blocks, placeTime));
             }
         }

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

@@ -1,26 +1,17 @@
 package nl.requios.effortlessbuilding.systems;
 
-import com.google.common.collect.Lists;
+import net.minecraft.ChatFormatting;
-import net.minecraft.core.Direction;
-import net.minecraft.core.Registry;
-import net.minecraft.nbt.CompoundTag;
 import net.minecraft.server.level.ServerLevel;
-import net.minecraft.stats.Stats;
-import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResult;
 import net.minecraft.world.entity.player.Player;
-import net.minecraft.world.item.BucketItem;
-import net.minecraft.world.item.Item;
-import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.level.Level;
-import net.minecraft.world.level.block.state.BlockState;
-import net.minecraft.world.level.block.state.pattern.BlockInWorld;
-import net.minecraftforge.common.util.BlockSnapshot;
-import net.minecraftforge.event.ForgeEventFactory;
 import net.minecraftforge.items.ItemHandlerHelper;
+import nl.requios.effortlessbuilding.EffortlessBuilding;
+import nl.requios.effortlessbuilding.ServerConfig;
 import nl.requios.effortlessbuilding.create.foundation.utility.BlockHelper;
 import nl.requios.effortlessbuilding.utilities.BlockEntry;
 import nl.requios.effortlessbuilding.utilities.BlockSet;
+import nl.requios.effortlessbuilding.utilities.BlockUtilities;
 
 import java.util.*;
 
@@ -31,6 +22,7 @@ public class ServerBlockPlacer {
     private boolean isPlacingOrBreakingBlocks = false;
 
     public void placeBlocksDelayed(Player player, BlockSet blocks, long placeTime) {
+        if (!checkAndNotifyAllowedToUseMod(player)) return;
 
         delayedEntries.add(new DelayedEntry(player, blocks, placeTime));
     }
@@ -46,6 +38,7 @@ public class ServerBlockPlacer {
     }
     
     public void placeBlocks(Player player, BlockSet blocks) {
+        if (!checkAndNotifyAllowedToUseMod(player)) return;
 //        EffortlessBuilding.log(player, "Placing " + blocks.size() + " blocks");
         
         for (BlockEntry block : blocks) {
@@ -54,16 +47,17 @@ public class ServerBlockPlacer {
         }
     }
     
-    public void placeBlock(Player player, BlockEntry block) {
+    private void placeBlock(Player player, BlockEntry block) {
         Level world = player.level;
         if (!world.isLoaded(block.blockPos)) return;
 
         isPlacingOrBreakingBlocks = true;
-        boolean placedBlock = onPlaceItemIntoWorld(player, block) == InteractionResult.SUCCESS;
+        boolean placedBlock = BlockUtilities.placeBlockEntry(player, block) == InteractionResult.SUCCESS;
         isPlacingOrBreakingBlocks = false;
     }
     
     public void breakBlocks(Player player, BlockSet blocks) {
+        if (!checkAndNotifyAllowedToUseMod(player)) return;
 //        EffortlessBuilding.log(player, "Breaking " + blocks.size() + " blocks");
 
         for (BlockEntry block : blocks) {
@@ -72,7 +66,7 @@ public class ServerBlockPlacer {
         }
     }
     
-    public void breakBlock(Player player, BlockEntry block) {
+    private void breakBlock(Player player, BlockEntry block) {
         ServerLevel world = (ServerLevel) player.level;
         if (!world.isLoaded(block.blockPos) || world.isEmptyBlock(block.blockPos)) return;
 
@@ -85,6 +79,24 @@ public class ServerBlockPlacer {
         isPlacingOrBreakingBlocks = false;
     }
 
+    public boolean checkAndNotifyAllowedToUseMod(Player player) {
+        if (!isAllowedToUseMod(player)) {
+            EffortlessBuilding.log(player, ChatFormatting.RED + "You are not allowed to use Effortless Building.");
+            return false;
+        }
+        return true;
+    }
+
+    public boolean isAllowedToUseMod(Player player) {
+        if (!ServerConfig.validation.allowInSurvival.get() && !player.isCreative()) return false;
+
+        if (ServerConfig.validation.useWhitelist.get()) {
+            return ServerConfig.validation.whitelist.get().contains(player.getGameProfile().getName());
+        }
+
+        return true;
+    }
+    
     public Set<DelayedEntry> getDelayedEntries() {
         return delayedEntriesView;
     }
@@ -95,96 +107,4 @@ public class ServerBlockPlacer {
     
     public record DelayedEntry(Player player, BlockSet blocks, long placeTime) {}
 
-    //ForgeHooks::onPlaceItemIntoWorld
-    private InteractionResult onPlaceItemIntoWorld(Player player, BlockEntry block) {
-
-        ItemStack itemstack = block.itemStack;
-        Level level = player.level;
-
-        if (player != null && !player.getAbilities().mayBuild && !itemstack.hasAdventureModePlaceTagForBlock(level.registryAccess().registryOrThrow(Registry.BLOCK_REGISTRY), new BlockInWorld(level, block.blockPos, false)))
-            return InteractionResult.PASS;
-
-        // handle all placement events here
-        Item item = itemstack.getItem();
-        int size = itemstack.getCount();
-        CompoundTag nbt = null;
-        if (itemstack.getTag() != null)
-            nbt = itemstack.getTag().copy();
-
-        if (!(itemstack.getItem() instanceof BucketItem)) // if not bucket
-            level.captureBlockSnapshots = true;
-
-        ItemStack copy = itemstack.copy();
-        ////
-        BlockHelper.placeSchematicBlock(level, player, block.newBlockState, block.blockPos, block.itemStack, null);
-        ////
-        InteractionResult ret = InteractionResult.SUCCESS;
-        if (itemstack.isEmpty())
-            ForgeEventFactory.onPlayerDestroyItem(player, copy, InteractionHand.MAIN_HAND);
-
-        level.captureBlockSnapshots = false;
-
-        if (ret.consumesAction())
-        {
-            // save new item data
-            int newSize = itemstack.getCount();
-            CompoundTag newNBT = null;
-            if (itemstack.getTag() != null)
-            {
-                newNBT = itemstack.getTag().copy();
-            }
-            @SuppressWarnings("unchecked")
-            List<BlockSnapshot> blockSnapshots = (List<BlockSnapshot>)level.capturedBlockSnapshots.clone();
-            level.capturedBlockSnapshots.clear();
-
-            // make sure to set pre-placement item data for event
-            itemstack.setCount(size);
-            itemstack.setTag(nbt);
-
-            Direction side = Direction.UP;
-
-            boolean eventResult = false;
-            if (blockSnapshots.size() > 1)
-            {
-                eventResult = ForgeEventFactory.onMultiBlockPlace(player, blockSnapshots, side);
-            }
-            else if (blockSnapshots.size() == 1)
-            {
-                eventResult = ForgeEventFactory.onBlockPlace(player, blockSnapshots.get(0), side);
-            }
-
-            if (eventResult)
-            {
-                ret = InteractionResult.FAIL; // cancel placement
-                // revert back all captured blocks
-                for (BlockSnapshot blocksnapshot : Lists.reverse(blockSnapshots))
-                {
-                    level.restoringBlockSnapshots = true;
-                    blocksnapshot.restore(true, false);
-                    level.restoringBlockSnapshots = false;
-                }
-            }
-            else
-            {
-                // Change the stack to its new content
-                itemstack.setCount(newSize);
-                itemstack.setTag(newNBT);
-
-                for (BlockSnapshot snap : blockSnapshots)
-                {
-                    int updateFlag = snap.getFlag();
-                    BlockState oldBlock = snap.getReplacedBlock();
-                    BlockState newBlock = level.getBlockState(snap.getPos());
-                    newBlock.onPlace(level, snap.getPos(), oldBlock, false);
-
-                    level.markAndNotifyBlock(snap.getPos(), level.getChunkAt(snap.getPos()), oldBlock, newBlock, updateFlag, 512);
-                }
-                if (player != null)
-                    player.awardStat(Stats.ITEM_USED.get(item));
-            }
-        }
-        level.capturedBlockSnapshots.clear();
-
-        return ret;
-    }
 }

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

@@ -10,6 +10,7 @@ import net.minecraft.core.BlockPos;
 import net.minecraft.server.level.ServerLevel;
 import nl.requios.effortlessbuilding.CommonConfig;
 import nl.requios.effortlessbuilding.EffortlessBuilding;
+import nl.requios.effortlessbuilding.ServerConfig;
 import nl.requios.effortlessbuilding.utilities.UndoRedoBlockSet;
 import nl.requios.effortlessbuilding.utilities.FixedStack;
 import nl.requios.effortlessbuilding.utilities.InventoryHelper;
@@ -49,7 +50,7 @@ public class UndoRedo {
 
 		//If no stack exists, make one
 		if (!undoStacks.containsKey(player.getUUID())) {
-			undoStacks.put(player.getUUID(), new FixedStack<>(new UndoRedoBlockSet[CommonConfig.survivalBalancers.undoStackSize.get()]));
+			undoStacks.put(player.getUUID(), new FixedStack<>(new UndoRedoBlockSet[ServerConfig.memory.undoStackSize.get()]));
 		}
 
 		undoStacks.get(player.getUUID()).push(blockSet);
@@ -62,7 +63,7 @@ public class UndoRedo {
 
 		//If no stack exists, make one
 		if (!redoStacks.containsKey(player.getUUID())) {
-			redoStacks.put(player.getUUID(), new FixedStack<>(new UndoRedoBlockSet[CommonConfig.survivalBalancers.undoStackSize.get()]));
+			redoStacks.put(player.getUUID(), new FixedStack<>(new UndoRedoBlockSet[ServerConfig.memory.undoStackSize.get()]));
 		}
 
 		redoStacks.get(player.getUUID()).push(blockSet);

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

@@ -1,22 +1,35 @@
 package nl.requios.effortlessbuilding.utilities;
 
+import com.google.common.collect.Lists;
 import net.minecraft.client.Minecraft;
 import net.minecraft.core.Direction;
+import net.minecraft.core.Registry;
+import net.minecraft.nbt.CompoundTag;
 import net.minecraft.sounds.SoundEvent;
 import net.minecraft.sounds.SoundSource;
+import net.minecraft.stats.Stats;
 import net.minecraft.world.InteractionHand;
+import net.minecraft.world.InteractionResult;
 import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.BucketItem;
+import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.context.BlockPlaceContext;
 import net.minecraft.world.level.ClipContext;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.*;
 import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.block.state.pattern.BlockInWorld;
 import net.minecraft.world.level.block.state.properties.Half;
 import net.minecraft.world.level.block.state.properties.SlabType;
 import net.minecraft.world.phys.BlockHitResult;
 import net.minecraft.world.phys.HitResult;
 import net.minecraft.world.phys.Vec3;
+import net.minecraftforge.common.util.BlockSnapshot;
+import net.minecraftforge.event.ForgeEventFactory;
+import nl.requios.effortlessbuilding.create.foundation.utility.BlockHelper;
+
+import java.util.List;
 
 //Common
 public class BlockUtilities {
@@ -47,6 +60,98 @@ public class BlockUtilities {
         return result;
     }
 
+    //ForgeHooks::onPlaceItemIntoWorld
+    public static InteractionResult placeBlockEntry(Player player, BlockEntry block) {
+        ItemStack itemstack = block.itemStack;
+        Level level = player.level;
+
+        if (player != null && !player.getAbilities().mayBuild && !itemstack.hasAdventureModePlaceTagForBlock(level.registryAccess().registryOrThrow(Registry.BLOCK_REGISTRY), new BlockInWorld(level, block.blockPos, false)))
+            return InteractionResult.PASS;
+
+        // handle all placement events here
+        Item item = itemstack.getItem();
+        int size = itemstack.getCount();
+        CompoundTag nbt = null;
+        if (itemstack.getTag() != null)
+            nbt = itemstack.getTag().copy();
+
+        if (!(itemstack.getItem() instanceof BucketItem)) // if not bucket
+            level.captureBlockSnapshots = true;
+
+        ItemStack copy = itemstack.copy();
+        ////
+        BlockHelper.placeSchematicBlock(level, player, block.newBlockState, block.blockPos, block.itemStack, null);
+        ////
+        InteractionResult ret = InteractionResult.SUCCESS;
+        if (itemstack.isEmpty())
+            ForgeEventFactory.onPlayerDestroyItem(player, copy, InteractionHand.MAIN_HAND);
+
+        level.captureBlockSnapshots = false;
+
+        if (ret.consumesAction())
+        {
+            // save new item data
+            int newSize = itemstack.getCount();
+            CompoundTag newNBT = null;
+            if (itemstack.getTag() != null)
+            {
+                newNBT = itemstack.getTag().copy();
+            }
+            @SuppressWarnings("unchecked")
+            List<BlockSnapshot> blockSnapshots = (List<BlockSnapshot>)level.capturedBlockSnapshots.clone();
+            level.capturedBlockSnapshots.clear();
+
+            // make sure to set pre-placement item data for event
+            itemstack.setCount(size);
+            itemstack.setTag(nbt);
+
+            Direction side = Direction.UP;
+
+            boolean eventResult = false;
+            if (blockSnapshots.size() > 1)
+            {
+                eventResult = ForgeEventFactory.onMultiBlockPlace(player, blockSnapshots, side);
+            }
+            else if (blockSnapshots.size() == 1)
+            {
+                eventResult = ForgeEventFactory.onBlockPlace(player, blockSnapshots.get(0), side);
+            }
+
+            if (eventResult)
+            {
+                ret = InteractionResult.FAIL; // cancel placement
+                // revert back all captured blocks
+                for (BlockSnapshot blocksnapshot : Lists.reverse(blockSnapshots))
+                {
+                    level.restoringBlockSnapshots = true;
+                    blocksnapshot.restore(true, false);
+                    level.restoringBlockSnapshots = false;
+                }
+            }
+            else
+            {
+                // Change the stack to its new content
+                itemstack.setCount(newSize);
+                itemstack.setTag(newNBT);
+
+                for (BlockSnapshot snap : blockSnapshots)
+                {
+                    int updateFlag = snap.getFlag();
+                    BlockState oldBlock = snap.getReplacedBlock();
+                    BlockState newBlock = level.getBlockState(snap.getPos());
+                    newBlock.onPlace(level, snap.getPos(), oldBlock, false);
+
+                    level.markAndNotifyBlock(snap.getPos(), level.getChunkAt(snap.getPos()), oldBlock, newBlock, updateFlag, 512);
+                }
+                if (player != null)
+                    player.awardStat(Stats.ITEM_USED.get(item));
+            }
+        }
+        level.capturedBlockSnapshots.clear();
+
+        return ret;
+    }
+
     public static void playSoundIfFurtherThanNormal(Player player, BlockEntry blockEntry, boolean breaking) {
 
         if (Minecraft.getInstance().hitResult != null && Minecraft.getInstance().hitResult.getType() == HitResult.Type.BLOCK)