From cace64c725c45217e60399dabbaae2461b8fdb18 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 a17738f9ff..d2c2e3cc33 100644
--- a/src/main/java/net/minecraft/server/EntityCow.java
+++ b/src/main/java/net/minecraft/server/EntityCow.java
@@ -62,7 +62,7 @@ public class EntityCow extends EntityAnimal {
         if (itemstack.getItem() == Items.BUCKET && !entityhuman.abilities.canInstantlyBuild && !this.isBaby()) {
             // CraftBukkit start - Got milk?
             org.bukkit.Location loc = this.getBukkitEntity().getLocation();
-            org.bukkit.event.player.PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent(entityhuman, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ(), null, itemstack, Items.MILK_BUCKET);
+            org.bukkit.event.player.PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent(entityhuman, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ(), 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 cb28914118..5dc967f8ba 100644
--- a/src/main/java/net/minecraft/server/ItemBucket.java
+++ b/src/main/java/net/minecraft/server/ItemBucket.java
@@ -39,7 +39,7 @@ 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(entityhuman, blockposition.getX(), blockposition.getY(), blockposition.getZ(), null, itemstack, dummyFluid.b());
+                        PlayerBucketFillEvent event = CraftEventFactory.callPlayerBucketFillEvent(entityhuman, blockposition.getX(), blockposition.getY(), blockposition.getZ(), null, itemstack, dummyFluid.b(), enumhand); // Paper - add enumHand
 
                         if (event.isCancelled()) {
                             ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory(); // SPIGOT-4541
@@ -66,7 +66,7 @@ public class ItemBucket extends Item {
                     iblockdata = world.getType(blockposition);
                     BlockPosition blockposition1 = iblockdata.getBlock() instanceof IFluidContainer && this.fluidType == FluidTypes.WATER ? blockposition : movingobjectpositionblock.getBlockPosition().shift(movingobjectpositionblock.getDirection());
 
-                    if (this.a(entityhuman, world, blockposition1, movingobjectpositionblock, movingobjectpositionblock.getDirection(), blockposition, itemstack)) { // CraftBukkit
+                    if (this.a(entityhuman, world, blockposition1, movingobjectpositionblock, movingobjectpositionblock.getDirection(), blockposition, itemstack, enumhand)) { // CraftBukkit // Paper - add enumHand
                         this.a(world, itemstack, blockposition1);
                         if (entityhuman instanceof EntityPlayer) {
                             CriterionTriggers.y.a((EntityPlayer) entityhuman, blockposition1, itemstack);
@@ -116,6 +116,12 @@ public class ItemBucket extends Item {
     }
 
     public boolean a(EntityHuman entityhuman, World world, BlockPosition blockposition, @Nullable MovingObjectPositionBlock movingobjectpositionblock, EnumDirection enumdirection, BlockPosition clicked, ItemStack itemstack) {
+        // Paper start - add enumHand
+        return a(entityhuman, world, blockposition, movingobjectpositionblock, enumdirection, clicked, itemstack, null);
+    }
+
+    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;
@@ -126,11 +132,11 @@ public class ItemBucket extends Item {
             boolean flag1 = material.isReplaceable();
 
             if (!world.isEmpty(blockposition) && !flag && !flag1 && (!(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  // Paper - add enumhand
             } else {
                 // CraftBukkit start
                 if (entityhuman != null) {
-                    PlayerBucketEmptyEvent event = CraftEventFactory.callPlayerBucketEmptyEvent(entityhuman, clicked.getX(), clicked.getY(), clicked.getZ(), enumdirection, itemstack);
+                    PlayerBucketEmptyEvent event = CraftEventFactory.callPlayerBucketEmptyEvent(entityhuman, clicked.getX(), clicked.getY(), clicked.getZ(), 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
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 78baaf6253..eec3effef7 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -360,6 +360,20 @@ public class CraftEventFactory {
     }
 
     private static PlayerEvent getPlayerBucketEvent(boolean isFilling, EntityHuman who, int clickedX, int clickedY, int clickedZ, EnumDirection clickedFace, ItemStack itemstack, net.minecraft.server.Item item) {
+        // Paper start - add EnumHand
+        return getPlayerBucketEvent(isFilling, who, clickedX, clickedY, clickedZ, clickedFace, itemstack, item, null);
+    }
+
+    public static PlayerBucketEmptyEvent callPlayerBucketEmptyEvent(EntityHuman who, int clickedX, int clickedY, int clickedZ, EnumDirection clickedFace, ItemStack itemInHand, EnumHand enumHand) {
+        return (PlayerBucketEmptyEvent) getPlayerBucketEvent(false, who, clickedX, clickedY, clickedZ, clickedFace, itemInHand, Items.BUCKET, enumHand);
+    }
+
+    public static PlayerBucketFillEvent callPlayerBucketFillEvent(EntityHuman who, int clickedX, int clickedY, int clickedZ, EnumDirection clickedFace, ItemStack itemInHand, net.minecraft.server.Item bucket, EnumHand enumHand) {
+        return (PlayerBucketFillEvent) getPlayerBucketEvent(true, who, clickedX, clickedY, clickedZ, clickedFace, itemInHand, bucket, enumHand);
+    }
+
+    private static PlayerEvent getPlayerBucketEvent(boolean isFilling, EntityHuman who, int clickedX, int clickedY, int clickedZ, EnumDirection clickedFace, ItemStack itemstack, net.minecraft.server.Item item, EnumHand enumHand) {
+        // Paper end
         Player player = (who == null) ? null : (Player) who.getBukkitEntity();
         CraftItemStack itemInHand = CraftItemStack.asNewCraftStack(item);
         Material bucket = CraftMagicNumbers.getMaterial(itemstack.getItem());
@@ -372,10 +386,10 @@ public class CraftEventFactory {
 
         PlayerEvent event = null;
         if (isFilling) {
-            event = new PlayerBucketFillEvent(player, blockClicked, blockFace, bucket, itemInHand);
+            event = new PlayerBucketFillEvent(player, blockClicked, blockFace, bucket, itemInHand, enumHand == null ? null : enumHand == EnumHand.OFF_HAND ? EquipmentSlot.OFF_HAND : EquipmentSlot.HAND); // Paper - add enumHand
             ((PlayerBucketFillEvent) event).setCancelled(!canBuild(craftWorld, player, clickedX, clickedZ));
         } else {
-            event = new PlayerBucketEmptyEvent(player, blockClicked, blockFace, bucket, itemInHand);
+            event = new PlayerBucketEmptyEvent(player, blockClicked, blockFace, bucket, itemInHand, enumHand == null ? null : enumHand == EnumHand.OFF_HAND ? EquipmentSlot.OFF_HAND : EquipmentSlot.HAND); // Paper - add enumHand
             ((PlayerBucketEmptyEvent) event).setCancelled(!canBuild(craftWorld, player, clickedX, clickedZ));
         }
 
-- 
2.21.0

