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 6e385b53048da91a0f50bf02f6510de2a685baab..2c8bbf20ae7f9be2c57822833bb285b86ea1a901 100644
--- a/src/main/java/net/minecraft/server/EntityCow.java
+++ b/src/main/java/net/minecraft/server/EntityCow.java
@@ -61,7 +61,7 @@ public class EntityCow extends EntityAnimal {
 
         if (itemstack.getItem() == Items.BUCKET && !entityhuman.abilities.canInstantlyBuild && !this.isBaby()) {
             // CraftBukkit start - Got milk?
-            org.bukkit.event.player.PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent(entityhuman.world, entityhuman, this.getChunkCoordinates(), this.getChunkCoordinates(), null, itemstack, Items.MILK_BUCKET);
+            org.bukkit.event.player.PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent(entityhuman.world, entityhuman, this.getChunkCoordinates(), this.getChunkCoordinates(), null, itemstack, Items.MILK_BUCKET, enumhand); // Paper - add enumHand
 
             if (event.isCancelled()) {
                 return false;
diff --git a/src/main/java/net/minecraft/server/ItemBucket.java b/src/main/java/net/minecraft/server/ItemBucket.java
index 7c5c0498435e3fae6a7997e34f197d402daa3bd8..ffe4b9eb868ecd9582ba1d3fc3aef0f82372e852 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(world, entityhuman, blockposition, blockposition, movingobjectpositionblock.getDirection(), itemstack, dummyFluid.a());
+                        PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent(world, entityhuman, blockposition, blockposition, movingobjectpositionblock.getDirection(), itemstack, dummyFluid.a(), 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, movingobjectpositionblock, movingobjectpositionblock.getDirection(), blockposition, itemstack)) { // CraftBukkit
+                    if (this.a(entityhuman, world, blockposition2, movingobjectpositionblock, movingobjectpositionblock.getDirection(), blockposition, itemstack, enumhand)) { // CraftBukkit // Paper - add enumhand
                         this.a(world, itemstack, blockposition2);
                         if (entityhuman instanceof EntityPlayer) {
                             CriterionTriggers.y.a((EntityPlayer) entityhuman, blockposition2, itemstack);
@@ -115,10 +115,12 @@ public class ItemBucket extends Item {
 
     // CraftBukkit start
     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;
@@ -128,11 +130,11 @@ public class ItemBucket extends Item {
             boolean flag = iblockdata.a(this.fluidType);
 
             if (!iblockdata.isAir() && !flag && (!(iblockdata.getBlock() instanceof IFluidContainer) || !((IFluidContainer) iblockdata.getBlock()).canPlace(world, blockposition, iblockdata, this.fluidType))) {
-                return movingobjectpositionblock == null ? false : this.a(entityhuman, world, movingobjectpositionblock.getBlockPosition().shift(movingobjectpositionblock.getDirection()), (MovingObjectPositionBlock) null, enumdirection, clicked, itemstack); // CraftBukkit
+                return movingobjectpositionblock == null ? false : this.a(entityhuman, world, movingobjectpositionblock.getBlockPosition().shift(movingobjectpositionblock.getDirection()), (MovingObjectPositionBlock) null, enumdirection, clicked, itemstack, enumhand); // CraftBukkit
             } else {
                 // CraftBukkit start
                 if (entityhuman != null) {
-                    PlayerBucketEmptyEvent event = CraftEventFactory.callPlayerBucketEmptyEvent(world, entityhuman, blockposition, clicked, enumdirection, itemstack);
+                    PlayerBucketEmptyEvent event = CraftEventFactory.callPlayerBucketEmptyEvent(world, entityhuman, blockposition, clicked, enumdirection, itemstack, 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
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 0125bf43e3383fddf7c36d831d19cca3f1ee3fae..4329780e9de3337fd8fcca78b1ed8804e4687552 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -381,6 +381,20 @@ public class CraftEventFactory {
     }
 
     private static PlayerEvent getPlayerBucketEvent(boolean isFilling, World 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());
@@ -393,10 +407,10 @@ 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()));
         }
 
