PaperMC/patches/server-remapped/0260-Add-hand-to-bucket-events.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Thu, 2 Aug 2018 08:44:35 -0500
Subject: [PATCH] Add hand to bucket events


diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index d34da1eb172a7dcda564680afecf3dc145bf09f3..125a75576442eaa4f1ff6dd153bdb31097497a3f 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -724,7 +724,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
         // CraftBukkit end
 
         MinecraftServer.LOGGER.info("Preparing start region for dimension {}", worldserver.dimension().location());
-        BlockPos blockposition = worldserver.getSharedSpawnPos();
+        BlockPos blockposition = worldserver.getSpawn();
 
         worldloadlistener.updateSpawnPos(new ChunkPos(blockposition));
         ServerChunkCache chunkproviderserver = worldserver.getChunkSource();
@@ -1897,7 +1897,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
     public CommandSourceStack createCommandSourceStack() {
         ServerLevel worldserver = this.overworld();
 
-        return new CommandSourceStack(this, worldserver == null ? Vec3.ZERO : Vec3.atLowerCornerOf((Vec3i) worldserver.getSharedSpawnPos()), Vec2.ZERO, worldserver, 4, "Server", new TextComponent("Server"), this, (Entity) null);
+        return new CommandSourceStack(this, worldserver == null ? Vec3.ZERO : Vec3.atLowerCornerOf((Vec3i) worldserver.getSpawn()), Vec2.ZERO, worldserver, 4, "Server", new TextComponent("Server"), this, (Entity) null);
     }
 
     @Override
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index 883e05ba87c3bdec9a0d4bbd035b90c795448239..9143fe99e43236bf65e6f098a30d522302ad78b7 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -526,7 +526,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
         } else if (this.getSpawnProtectionRadius() <= 0) {
             return false;
         } else {
-            BlockPos blockposition1 = world.getSharedSpawnPos();
+            BlockPos blockposition1 = world.getSpawn();
             int i = Mth.abs(pos.getX() - blockposition1.getX());
             int j = Mth.abs(pos.getZ() - blockposition1.getZ());
             int k = Math.max(i, j);
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 84b2cd661697545186677ab7966556d9288c650b..2ab221e5315dde4e556ee49a6962ae0091ccf616 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1651,15 +1651,17 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
         this.getServer().getPlayerList().broadcastAll(new ClientboundSetDefaultSpawnPositionPacket(pos, angle));
     }
 
-    public BlockPos getSharedSpawnPos() {
-        BlockPos blockposition = new BlockPos(this.levelData.getXSpawn(), this.levelData.getYSpawn(), this.levelData.getZSpawn());
-
-        if (!this.getWorldBorder().isWithinBounds(blockposition)) {
-            blockposition = this.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING, new BlockPos(this.getWorldBorder().getCenterX(), 0.0D, this.getWorldBorder().getCenterZ()));
-        }
-
-        return blockposition;
-    }
+    // Paper - moved up to World
+    //public BlockPosition getSpawn() {
+    //    BlockPosition blockposition = new BlockPosition(this.worldData.a(), this.worldData.b(), this.worldData.c());
+    //
+    //    if (!this.getWorldBorder().a(blockposition)) {
+    //        blockposition = this.getHighestBlockYAt(HeightMap.Type.MOTION_BLOCKING, new BlockPosition(this.getWorldBorder().getCenterX(), 0.0D, this.getWorldBorder().getCenterZ()));
+    //    }
+    //
+    //    return blockposition;
+    //}
+    // Paper end
 
     public float getSharedSpawnAngle() {
         return this.levelData.getSpawnAngle();
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 1441a461e749dbfa303095f6b51d655c45f68ce0..5664e292046d4fcdb81340df8cee8d04aa27ca55 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -231,7 +231,7 @@ public class ServerPlayer extends Player implements ContainerListener {
     public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleHashSet; // Paper
 
     public ServerPlayer(MinecraftServer server, ServerLevel world, GameProfile profile, ServerPlayerGameMode interactionManager) {
-        super(world, world.getSharedSpawnPos(), world.getSharedSpawnAngle(), profile);
+        super(world, world.getSpawn(), world.getSharedSpawnAngle(), profile);
         this.respawnDimension = Level.OVERWORLD;
         interactionManager.player = this;
         this.gameMode = interactionManager;
@@ -254,7 +254,7 @@ public class ServerPlayer extends Player implements ContainerListener {
     // Yes, this doesn't match Vanilla, but it's the best we can do for now.
     // If this is an issue, PRs are welcome
     public final BlockPos getSpawnPoint(ServerLevel worldserver) {
-        BlockPos blockposition = worldserver.getSharedSpawnPos();
+        BlockPos blockposition = worldserver.getSpawn();
 
         if (worldserver.dimensionType().hasSkyLight() && worldserver.worldDataServer.getGameType() != GameType.ADVENTURE) {
             int i = Math.max(0, this.server.getSpawnRadius(worldserver));
@@ -291,7 +291,7 @@ public class ServerPlayer extends Player implements ContainerListener {
     // CraftBukkit end
 
     private void fudgeSpawnLocation(ServerLevel world) {
-        BlockPos blockposition = world.getSharedSpawnPos();
+        BlockPos blockposition = world.getSpawn();
 
         if (world.dimensionType().hasSkyLight() && world.worldDataServer.getGameType() != GameType.ADVENTURE) { // CraftBukkit
             int i = Math.max(0, this.server.getSpawnRadius(world));
@@ -464,7 +464,7 @@ public class ServerPlayer extends Player implements ContainerListener {
             }
             if (world == null || position == null) {
                 world = ((CraftWorld) Bukkit.getServer().getWorlds().get(0)).getHandle();
-                position = Vec3.atCenterOf(((ServerLevel) world).getSharedSpawnPos());
+                position = Vec3.atCenterOf(((ServerLevel) world).getSpawn());
             }
             this.level = world;
             this.setPos(position.x(), position.y(), position.z());
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 51b1ce465d23b971f7e08a3175319a33183d0398..0bb397407b55bd1c464ac603ec4c189045aabbb2 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -808,7 +808,7 @@ public abstract class PlayerList {
         entityplayer1.setShiftKeyDown(false);
 
         // entityplayer1.playerConnection.a(entityplayer1.locX(), entityplayer1.locY(), entityplayer1.locZ(), entityplayer1.yaw, entityplayer1.pitch);
-        entityplayer1.connection.send(new ClientboundSetDefaultSpawnPositionPacket(worldserver1.getSharedSpawnPos(), worldserver1.getSharedSpawnAngle()));
+        entityplayer1.connection.send(new ClientboundSetDefaultSpawnPositionPacket(worldserver1.getSpawn(), worldserver1.getSharedSpawnAngle()));
         entityplayer1.connection.send(new ClientboundChangeDifficultyPacket(worlddata.getDifficulty(), worlddata.isDifficultyLocked()));
         entityplayer1.connection.send(new ClientboundSetExperiencePacket(entityplayer1.experienceProgress, entityplayer1.totalExperience, entityplayer1.experienceLevel));
         this.sendLevelInfo(entityplayer1, worldserver1);
@@ -1090,7 +1090,7 @@ public abstract class PlayerList {
 
         player.connection.send(new ClientboundSetBorderPacket(worldborder, ClientboundSetBorderPacket.Type.INITIALIZE));
         player.connection.send(new ClientboundSetTimePacket(world.getGameTime(), world.getDayTime(), world.getGameRules().getBoolean(GameRules.RULE_DAYLIGHT)));
-        player.connection.send(new ClientboundSetDefaultSpawnPositionPacket(world.getSharedSpawnPos(), world.getSharedSpawnAngle()));
+        player.connection.send(new ClientboundSetDefaultSpawnPositionPacket(world.getSpawn(), world.getSharedSpawnAngle()));
         if (world.isRaining()) {
             // CraftBukkit start - handle player weather
             // entityplayer.playerConnection.sendPacket(new PacketPlayOutGameStateChange(PacketPlayOutGameStateChange.b, 0.0F));
diff --git a/src/main/java/net/minecraft/server/rcon/RconConsoleSource.java b/src/main/java/net/minecraft/server/rcon/RconConsoleSource.java
index c283ea9528493fb95088870c84c6d6e3963aabb7..2633aca30601682a53b0236b94a12f0f18a87fc2 100644
--- a/src/main/java/net/minecraft/server/rcon/RconConsoleSource.java
+++ b/src/main/java/net/minecraft/server/rcon/RconConsoleSource.java
@@ -33,7 +33,7 @@ public class RconConsoleSource implements CommandSource {
     public CommandSourceStack createCommandSourceStack() {
         ServerLevel worldserver = this.server.overworld();
 
-        return new CommandSourceStack(this, Vec3.atLowerCornerOf((Vec3i) worldserver.getSharedSpawnPos()), Vec2.ZERO, worldserver, 4, "Rcon", RconConsoleSource.RCON_COMPONENT, this.server, (Entity) null);
+        return new CommandSourceStack(this, Vec3.atLowerCornerOf((Vec3i) worldserver.getSpawn()), Vec2.ZERO, worldserver, 4, "Rcon", RconConsoleSource.RCON_COMPONENT, this.server, (Entity) null);
     }
 
     // CraftBukkit start - Send a String
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 5bf6bc6a01ccde8a4d67b49293bb326cb09248d8..4503bd65b3454bad94bb7b869f4e72e3121d8a3d 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -2688,7 +2688,7 @@ public abstract class Entity implements Nameable, CommandSource, net.minecraft.s
             if (flag1) {
                 blockposition1 = ServerLevel.END_SPAWN_POINT;
             } else {
-                blockposition1 = destination.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, destination.getSharedSpawnPos());
+                blockposition1 = destination.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, destination.getSpawn());
             }
             // CraftBukkit start
             CraftPortalEvent event = callPortalEvent(this, destination, blockposition1, PlayerTeleportEvent.TeleportCause.END_PORTAL, 0, 0);
diff --git a/src/main/java/net/minecraft/world/entity/animal/Cow.java b/src/main/java/net/minecraft/world/entity/animal/Cow.java
index 90393bb196c0895f387259c2dccbb29e2ca11c87..9c67b603d4d0ee5cb7f86b25ed8754afaf9cf7b3 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Cow.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Cow.java
@@ -87,7 +87,7 @@ public class Cow extends Animal {
 
         if (itemstack.getItem() == Items.BUCKET && !this.isBaby()) {
             // CraftBukkit start - Got milk?
-            org.bukkit.event.player.PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent((ServerLevel) player.level, player, this.blockPosition(), this.blockPosition(), null, itemstack, Items.MILK_BUCKET);
+            org.bukkit.event.player.PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent((ServerLevel) player.level, player, this.blockPosition(), this.blockPosition(), null, itemstack, Items.MILK_BUCKET, hand); // Paper - add enumHand
 
             if (event.isCancelled()) {
                 return InteractionResult.PASS;
diff --git a/src/main/java/net/minecraft/world/item/BucketItem.java b/src/main/java/net/minecraft/world/item/BucketItem.java
index b426e155d13a1b2eb5ddb24a2d83cd7d1e92026b..d0e847e58483695d2af1c1410826bb25231cd6f6 100644
--- a/src/main/java/net/minecraft/world/item/BucketItem.java
+++ b/src/main/java/net/minecraft/world/item/BucketItem.java
@@ -69,7 +69,7 @@ public class BucketItem extends Item {
                     if (iblockdata.getBlock() instanceof BucketPickup) {
                         // CraftBukkit start
                         Fluid dummyFluid = ((BucketPickup) iblockdata.getBlock()).takeLiquid(DummyGeneratorAccess.INSTANCE, blockposition, iblockdata);
-                        PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent((ServerLevel) world, user, blockposition, blockposition, movingobjectpositionblock.getDirection(), itemstack, dummyFluid.getBucket());
+                        PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent((ServerLevel) world, user, blockposition, blockposition, movingobjectpositionblock.getDirection(), itemstack, dummyFluid.getBucket(), hand); // Paper - add enumhand
 
                         if (event.isCancelled()) {
                             ((ServerPlayer) user).connection.send(new ClientboundBlockUpdatePacket(world, blockposition)); // SPIGOT-5163 (see PlayerInteractManager)
@@ -97,7 +97,7 @@ public class BucketItem extends Item {
                     iblockdata = world.getBlockState(blockposition);
                     BlockPos blockposition2 = iblockdata.getBlock() instanceof LiquidBlockContainer && this.content == Fluids.WATER ? blockposition : blockposition1;
 
-                    if (this.a(user, world, blockposition2, movingobjectpositionblock1, movingobjectpositionblock1.getDirection(), blockposition, itemstack)) { // CraftBukkit
+                    if (this.a(user, world, blockposition2, movingobjectpositionblock1, movingobjectpositionblock1.getDirection(), blockposition, itemstack, hand)) { // CraftBukkit // Paper - add enumhand
                         this.checkExtraContent(world, itemstack, blockposition2);
                         if (user instanceof ServerPlayer) {
                             CriteriaTriggers.PLACED_BLOCK.trigger((ServerPlayer) user, blockposition2, itemstack);
@@ -122,10 +122,12 @@ public class BucketItem extends Item {
     public void checkExtraContent(Level world, ItemStack stack, BlockPos pos) {}
 
     public boolean emptyBucket(@Nullable Player player, Level world, BlockPos pos, @Nullable BlockHitResult movingobjectpositionblock) {
-        return a(player, world, pos, movingobjectpositionblock, null, null, null);
+        // Paper start - add enumHand
+        return a(player, world, pos, movingobjectpositionblock, null, null, null, null);
     }
 
-    public boolean a(Player entityhuman, Level world, BlockPos blockposition, @Nullable BlockHitResult movingobjectpositionblock, Direction enumdirection, BlockPos clicked, ItemStack itemstack) {
+    public boolean a(Player entityhuman, Level world, BlockPos blockposition, @Nullable BlockHitResult movingobjectpositionblock, Direction enumdirection, BlockPos clicked, ItemStack itemstack, InteractionHand enumhand) {
+        // Paper end
         // CraftBukkit end
         if (!(this.content instanceof FlowingFluid)) {
             return false;
@@ -138,7 +140,7 @@ public class BucketItem extends Item {
 
             // CraftBukkit start
             if (flag1 && entityhuman != null) {
-                PlayerBucketEmptyEvent event = CraftEventFactory.callPlayerBucketEmptyEvent((ServerLevel) world, entityhuman, blockposition, clicked, enumdirection, itemstack);
+                PlayerBucketEmptyEvent event = CraftEventFactory.callPlayerBucketEmptyEvent((ServerLevel) world, entityhuman, blockposition, clicked, enumdirection, itemstack, enumhand); // Paper - add enumhand
                 if (event.isCancelled()) {
                     ((ServerPlayer) entityhuman).connection.send(new ClientboundBlockUpdatePacket(world, blockposition)); // SPIGOT-4238: needed when looking through entity
                     ((ServerPlayer) entityhuman).getBukkitEntity().updateInventory(); // SPIGOT-4541
@@ -147,7 +149,7 @@ public class BucketItem extends Item {
             }
             // CraftBukkit end
             if (!flag1) {
-                return movingobjectpositionblock != null && this.a(entityhuman, world, movingobjectpositionblock.getBlockPos().relative(movingobjectpositionblock.getDirection()), (BlockHitResult) null, enumdirection, clicked, itemstack); // CraftBukkit
+                return movingobjectpositionblock != null && this.a(entityhuman, world, movingobjectpositionblock.getBlockPos().relative(movingobjectpositionblock.getDirection()), (BlockHitResult) null, enumdirection, clicked, itemstack, enumhand); // CraftBukkit // Paper - add enumhand
             } else if (world.dimensionType().ultraWarm() && this.content.is((Tag) FluidTags.WATER)) {
                 int i = blockposition.getX();
                 int j = blockposition.getY();
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 7a9ccd203885b9b369767d1fb8c53783201d0f0f..b75ffafb6840b6acab6e5b0ef5e222c4fa130977 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -277,6 +277,17 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
     }
     // Paper end
 
+    // Paper start - moved up from WorldServer
+    public BlockPos getSpawn() {
+        BlockPos blockposition = new BlockPos(this.levelData.getXSpawn(), this.levelData.getYSpawn(), this.levelData.getZSpawn());
+
+        if (!this.getWorldBorder().isWithinBounds(blockposition)) {
+            blockposition = this.getHeightmapPos(Heightmap.Types.MOTION_BLOCKING, new BlockPos(this.getWorldBorder().getCenterX(), 0.0D, this.getWorldBorder().getCenterZ()));
+        }
+
+        return blockposition;
+    }
+    // Paper end
     @Override
     public boolean isClientSide() {
         return this.isClientSide;
diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
index 8a71eaf2855be0d415d1f7b18dbec98353fe5b47..b90a275a0dc2913809ce16659eed445501e486de 100644
--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
@@ -268,7 +268,7 @@ public final class NaturalSpawner {
     private static boolean isRightDistanceToPlayerAndSpawnPoint(ServerLevel world, ChunkAccess chunk, BlockPos.MutableBlockPos pos, double squaredDistance) {
         if (squaredDistance <= 576.0D) {
             return false;
-        } else if (world.getSharedSpawnPos().closerThan((Position) (new Vec3((double) pos.getX() + 0.5D, (double) pos.getY(), (double) pos.getZ() + 0.5D)), 24.0D)) {
+        } else if (world.getSpawn().closerThan((Position) (new Vec3((double) pos.getX() + 0.5D, (double) pos.getY(), (double) pos.getZ() + 0.5D)), 24.0D)) {
             return false;
         } else {
             ChunkPos chunkcoordintpair = new ChunkPos(pos);
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 9807612aed6c4393cbe1f4b6078e45bf1ba3deb2..159c32d6678e83f2d98ea6a1ad48346c9de017e1 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -327,7 +327,7 @@ public class CraftWorld implements World {
 
     @Override
     public Location getSpawnLocation() {
-        BlockPos spawn = world.getSharedSpawnPos();
+        BlockPos spawn = world.getSpawn();
         return new Location(this, spawn.getX(), spawn.getY(), spawn.getZ());
     }
 
@@ -1926,7 +1926,7 @@ public class CraftWorld implements World {
     public void setKeepSpawnInMemory(boolean keepLoaded) {
         world.keepSpawnInMemory = keepLoaded;
         // Grab the worlds spawn chunk
-        BlockPos chunkcoordinates = this.world.getSharedSpawnPos();
+        BlockPos chunkcoordinates = this.world.getSpawn();
         if (keepLoaded) {
             world.getChunkSource().addRegionTicket(TicketType.START, new ChunkPos(chunkcoordinates), 11, Unit.INSTANCE);
         } else {
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 4cd08821305590e21a01cc4dda05370c2b721ac2..1877267344df1ff5b4de6a4e0c239f488cd52c1f 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -222,7 +222,7 @@ public class CraftEventFactory {
     public static Entity entityDamage; // For use in EntityDamageByEntityEvent
 
     // helper methods
-    private static boolean canBuild(ServerLevel world, Player player, int x, int z) {
+    private static boolean canBuild(Level world, Player player, int x, int z) {
         int spawnSize = Bukkit.getServer().getSpawnRadius();
 
         if (world.dimension() != Level.OVERWORLD) return true;
@@ -230,7 +230,7 @@ public class CraftEventFactory {
         if (((CraftServer) Bukkit.getServer()).getHandle().getOps().isEmpty()) return true;
         if (player.isOp()) return true;
 
-        BlockPos chunkcoordinates = world.getSharedSpawnPos();
+        BlockPos chunkcoordinates = world.getSpawn();
 
         int distanceFromSpawn = Math.max(Math.abs(x - chunkcoordinates.getX()), Math.abs(z - chunkcoordinates.getZ()));
         return distanceFromSpawn > spawnSize;
@@ -412,6 +412,20 @@ public class CraftEventFactory {
     }
 
     private static PlayerEvent getPlayerBucketEvent(boolean isFilling, ServerLevel world, net.minecraft.world.entity.player.Player who, BlockPos changed, BlockPos clicked, Direction clickedFace, ItemStack itemstack, net.minecraft.world.item.Item item) {
+        // Paper start - add enumHand
+        return getPlayerBucketEvent(isFilling, world, who, changed, clicked, clickedFace, itemstack, item, null);
+    }
+
+    public static PlayerBucketEmptyEvent callPlayerBucketEmptyEvent(Level world, net.minecraft.world.entity.player.Player who, BlockPos changed, BlockPos clicked, Direction clickedFace, ItemStack itemstack, InteractionHand enumHand) {
+        return (PlayerBucketEmptyEvent) getPlayerBucketEvent(false, world, who, changed, clicked, clickedFace, itemstack, Items.BUCKET, enumHand);
+    }
+
+    public static PlayerBucketFillEvent callPlayerBucketFillEvent(Level world, net.minecraft.world.entity.player.Player who, BlockPos changed, BlockPos clicked, Direction clickedFace, ItemStack itemInHand, net.minecraft.world.item.Item bucket, InteractionHand enumHand) {
+        return (PlayerBucketFillEvent) getPlayerBucketEvent(true, world, who, clicked, changed, clickedFace, itemInHand, bucket, enumHand);
+    }
+
+    private static PlayerEvent getPlayerBucketEvent(boolean isFilling, Level world, net.minecraft.world.entity.player.Player who, BlockPos changed, BlockPos clicked, Direction clickedFace, ItemStack itemstack, net.minecraft.world.item.Item item, InteractionHand enumHand) {
+        // Paper end
         Player player = (Player) who.getBukkitEntity();
         CraftItemStack itemInHand = CraftItemStack.asNewCraftStack(item);
         Material bucket = CraftMagicNumbers.getMaterial(itemstack.getItem());
@@ -424,10 +438,10 @@ public class CraftEventFactory {
 
         PlayerEvent event;
         if (isFilling) {
-            event = new PlayerBucketFillEvent(player, block, blockClicked, blockFace, bucket, itemInHand);
+            event = new PlayerBucketFillEvent(player, block, blockClicked, blockFace, bucket, itemInHand, enumHand == null ? null : enumHand == InteractionHand.OFF_HAND ? EquipmentSlot.OFF_HAND : EquipmentSlot.HAND); // Paper - add enumHand
             ((PlayerBucketFillEvent) event).setCancelled(!canBuild(world, player, changed.getX(), changed.getZ()));
         } else {
-            event = new PlayerBucketEmptyEvent(player, block, blockClicked, blockFace, bucket, itemInHand);
+            event = new PlayerBucketEmptyEvent(player, block, blockClicked, blockFace, bucket, itemInHand, enumHand == null ? null : enumHand == InteractionHand.OFF_HAND ? EquipmentSlot.OFF_HAND : EquipmentSlot.HAND); // Paper - add enumHand
             ((PlayerBucketEmptyEvent) event).setCancelled(!canBuild(world, player, changed.getX(), changed.getZ()));
         }