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/EntityCow.java b/src/main/java/net/minecraft/server/EntityCow.java
index c20484220edc849e43a1067d169d4d36f0059836..42e6761c8b18b79ffd3f4d5e853ea87a2c153c23 100644
--- a/src/main/java/net/minecraft/server/EntityCow.java
+++ b/src/main/java/net/minecraft/server/EntityCow.java
@@ -58,7 +58,7 @@ public class EntityCow extends EntityAnimal {
 
         if (itemstack.getItem() == Items.BUCKET && !this.isBaby()) {
             // CraftBukkit start - Got milk?
-            org.bukkit.event.player.PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent((WorldServer) entityhuman.world, entityhuman, this.getChunkCoordinates(), this.getChunkCoordinates(), null, itemstack, Items.MILK_BUCKET);
+            org.bukkit.event.player.PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent((WorldServer) entityhuman.world, entityhuman, this.getChunkCoordinates(), this.getChunkCoordinates(), null, itemstack, Items.MILK_BUCKET, enumhand); // Paper - add enumHand
 
             if (event.isCancelled()) {
                 return EnumInteractionResult.PASS;
diff --git a/src/main/java/net/minecraft/server/ItemBucket.java b/src/main/java/net/minecraft/server/ItemBucket.java
index 48958308a89cbe39e1b4dddcdd8d1d0b5ece6339..120bf8436fd82294c339add2e7bff1cda8311aea 100644
--- a/src/main/java/net/minecraft/server/ItemBucket.java
+++ b/src/main/java/net/minecraft/server/ItemBucket.java
@@ -41,7 +41,7 @@ public class ItemBucket extends Item {
                     if (iblockdata.getBlock() instanceof IFluidSource) {
                         // CraftBukkit start
                         FluidType dummyFluid = ((IFluidSource) iblockdata.getBlock()).removeFluid(DummyGeneratorAccess.INSTANCE, blockposition, iblockdata);
-                        PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent((WorldServer) world, entityhuman, blockposition, blockposition, movingobjectpositionblock.getDirection(), itemstack, dummyFluid.a());
+                        PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent((WorldServer) world, entityhuman, blockposition, blockposition, movingobjectpositionblock.getDirection(), itemstack, dummyFluid.a(), enumhand); // Paper - add enumhand
 
                         if (event.isCancelled()) {
                             ((EntityPlayer) entityhuman).playerConnection.sendPacket(new PacketPlayOutBlockChange(world, blockposition)); // SPIGOT-5163 (see PlayerInteractManager)
@@ -69,7 +69,7 @@ public class ItemBucket extends Item {
                     iblockdata = world.getType(blockposition);
                     BlockPosition blockposition2 = iblockdata.getBlock() instanceof IFluidContainer && this.fluidType == FluidTypes.WATER ? blockposition : blockposition1;
 
-                    if (this.a(entityhuman, world, blockposition2, movingobjectpositionblock1, movingobjectpositionblock1.getDirection(), blockposition, itemstack)) { // CraftBukkit
+                    if (this.a(entityhuman, world, blockposition2, movingobjectpositionblock1, movingobjectpositionblock1.getDirection(), blockposition, itemstack, enumhand)) { // CraftBukkit // Paper - add enumhand
                         this.a(world, itemstack, blockposition2);
                         if (entityhuman instanceof EntityPlayer) {
                             CriterionTriggers.y.a((EntityPlayer) entityhuman, blockposition2, itemstack);
@@ -94,10 +94,12 @@ public class ItemBucket extends Item {
     public void a(World world, ItemStack itemstack, BlockPosition blockposition) {}
 
     public boolean a(@Nullable EntityHuman entityhuman, World world, BlockPosition blockposition, @Nullable MovingObjectPositionBlock movingobjectpositionblock) {
-        return a(entityhuman, world, blockposition, movingobjectpositionblock, null, null, null);
+        // Paper start - add enumHand
+        return a(entityhuman, world, blockposition, movingobjectpositionblock, null, null, null, null);
     }
 
-    public boolean a(EntityHuman entityhuman, World world, BlockPosition blockposition, @Nullable MovingObjectPositionBlock movingobjectpositionblock, EnumDirection enumdirection, BlockPosition clicked, ItemStack itemstack) {
+    public boolean a(EntityHuman entityhuman, World world, BlockPosition blockposition, @Nullable MovingObjectPositionBlock movingobjectpositionblock, EnumDirection enumdirection, BlockPosition clicked, ItemStack itemstack, EnumHand enumhand) {
+        // Paper end
         // CraftBukkit end
         if (!(this.fluidType instanceof FluidTypeFlowing)) {
             return false;
@@ -110,7 +112,7 @@ public class ItemBucket extends Item {
 
             // CraftBukkit start
             if (flag1 && entityhuman != null) {
-                PlayerBucketEmptyEvent event = CraftEventFactory.callPlayerBucketEmptyEvent((WorldServer) world, entityhuman, blockposition, clicked, enumdirection, itemstack);
+                PlayerBucketEmptyEvent event = CraftEventFactory.callPlayerBucketEmptyEvent((WorldServer) world, entityhuman, blockposition, clicked, enumdirection, itemstack, enumhand); // Paper - add enumhand
                 if (event.isCancelled()) {
                     ((EntityPlayer) entityhuman).playerConnection.sendPacket(new PacketPlayOutBlockChange(world, blockposition)); // SPIGOT-4238: needed when looking through entity
                     ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory(); // SPIGOT-4541
@@ -119,7 +121,7 @@ public class ItemBucket extends Item {
             }
             // CraftBukkit end
             if (!flag1) {
-                return movingobjectpositionblock != null && this.a(entityhuman, world, movingobjectpositionblock.getBlockPosition().shift(movingobjectpositionblock.getDirection()), (MovingObjectPositionBlock) null, enumdirection, clicked, itemstack); // CraftBukkit
+                return movingobjectpositionblock != null && this.a(entityhuman, world, movingobjectpositionblock.getBlockPosition().shift(movingobjectpositionblock.getDirection()), (MovingObjectPositionBlock) null, enumdirection, clicked, itemstack, enumhand); // CraftBukkit // Paper - add enumhand
             } else if (world.getDimensionManager().isNether() && this.fluidType.a((Tag) TagsFluid.WATER)) {
                 int i = blockposition.getX();
                 int j = blockposition.getY();
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index ce596bd1268eb7d6d20709fe1e00a59ccc50957d..3fc77d08e77b1594967c9e08efbd9102265603ea 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -218,6 +218,17 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
     }
     // Paper end
 
+    // Paper start - moved up from WorldServer
+    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
     @Override
     public boolean s_() {
         return this.isClientSide;
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 46624d1832eb76aed688da5e1cf6c7dc304d610b..c8a990ab5db73b9e13b60b55f10142fe20e8179a 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -1536,15 +1536,17 @@ public class WorldServer extends World implements GeneratorAccessSeed {
         this.getMinecraftServer().getPlayerList().sendAll(new PacketPlayOutSpawnPosition(blockposition, f));
     }
 
-    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 - 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 v() {
         return this.worldData.d();
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 6458cd6823ea066588742f8105048001395e4dde..1c806c97bf77cb3a71086d51110605b147bdbfbf 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -234,7 +234,7 @@ public class CraftEventFactory {
     public static Entity entityDamage; // For use in EntityDamageByEntityEvent
 
     // helper methods
-    private static boolean canBuild(WorldServer world, Player player, int x, int z) {
+    private static boolean canBuild(World world, Player player, int x, int z) {
         int spawnSize = Bukkit.getServer().getSpawnRadius();
 
         if (world.getDimensionKey() != World.OVERWORLD) return true;
@@ -413,6 +413,20 @@ public class CraftEventFactory {
     }
 
     private static PlayerEvent getPlayerBucketEvent(boolean isFilling, WorldServer world, EntityHuman who, BlockPosition changed, BlockPosition clicked, EnumDirection clickedFace, ItemStack itemstack, net.minecraft.server.Item item) {
+        // Paper start - add enumHand
+        return getPlayerBucketEvent(isFilling, world, who, changed, clicked, clickedFace, itemstack, item, null);
+    }
+
+    public static PlayerBucketEmptyEvent callPlayerBucketEmptyEvent(World world, EntityHuman who, BlockPosition changed, BlockPosition clicked, EnumDirection clickedFace, ItemStack itemstack, EnumHand enumHand) {
+        return (PlayerBucketEmptyEvent) getPlayerBucketEvent(false, world, who, changed, clicked, clickedFace, itemstack, Items.BUCKET, enumHand);
+    }
+
+    public static PlayerBucketFillEvent callPlayerBucketFillEvent(World world, EntityHuman who, BlockPosition changed, BlockPosition clicked, EnumDirection clickedFace, ItemStack itemInHand, net.minecraft.server.Item bucket, EnumHand enumHand) {
+        return (PlayerBucketFillEvent) getPlayerBucketEvent(true, world, who, clicked, changed, clickedFace, itemInHand, bucket, enumHand);
+    }
+
+    private static PlayerEvent getPlayerBucketEvent(boolean isFilling, World world, EntityHuman who, BlockPosition changed, BlockPosition clicked, EnumDirection clickedFace, ItemStack itemstack, net.minecraft.server.Item item, EnumHand enumHand) {
+        // Paper end
         Player player = (Player) who.getBukkitEntity();
         CraftItemStack itemInHand = CraftItemStack.asNewCraftStack(item);
         Material bucket = CraftMagicNumbers.getMaterial(itemstack.getItem());
@@ -425,10 +439,10 @@ 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 == EnumHand.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 == EnumHand.OFF_HAND ? EquipmentSlot.OFF_HAND : EquipmentSlot.HAND); // Paper - add enumHand
             ((PlayerBucketEmptyEvent) event).setCancelled(!canBuild(world, player, changed.getX(), changed.getZ()));
         }
 
