Fix BlockDropItemEvent for Skulls and Shulker Boxes

nms-patches/PlayerInteractManager.patch

@@ -82,8 +82,8 @@
                  f = iblockdata.getDamage(this.player, this.player.world, blockposition);
 +                // Allow fire punching to be blocked
 +                this.world.douseFire((EntityHuman) null, blockposition, enumdirection);
-+            }
-+
+             }
+ 
 +            if (event.useItemInHand() == Event.Result.DENY) {
 +                // If we 'insta destroyed' then the client needs to be informed.
 +                if (f > 1.0f) {
@@ -97,8 +97,8 @@
 +                // Let the client know the block still exists
 +                ((EntityPlayer) this.player).playerConnection.sendPacket(new PacketPlayOutBlockChange(this.world, blockposition));
 +                return;
-             }
- 
++            }
++
 +            if (blockEvent.getInstaBreak()) {
 +                f = 2.0f;
 +            }
@@ -126,7 +126,7 @@
          }
  
      }
-@@ -190,13 +252,88 @@
+@@ -190,13 +252,97 @@
  
      public boolean breakBlock(BlockPosition blockposition) {
          IBlockData iblockdata = this.world.getType(blockposition);
@@ -180,7 +180,8 @@
 +                for (EnumDirection dir : EnumDirection.values()) {
 +                    ((EntityPlayer) this.player).playerConnection.sendPacket(new PacketPlayOutBlockChange(world, blockposition.shift(dir)));
 +                }
-+
+ 
+-        if (!this.player.getItemInMainHand().getItem().a(iblockdata, this.world, blockposition, (EntityHuman) this.player)) {
 +                // Update any tile entity data for this block
 +                TileEntity tileentity = this.world.getTileEntity(blockposition);
 +                if (tileentity != null) {
@@ -190,8 +191,7 @@
 +            }
 +        }
 +        // CraftBukkit end
- 
--        if (!this.player.getItemInMainHand().getItem().a(iblockdata, this.world, blockposition, (EntityHuman) this.player)) {
++
 +        if (false && !this.player.getItemInMainHand().getItem().a(iblockdata, this.world, blockposition, (EntityHuman) this.player)) { // CraftBukkit - false
              return false;
          } else {
@@ -201,22 +201,31 @@
              Block block = iblockdata.getBlock();
  
 +            // CraftBukkit start - Special case skulls, their item data comes from a tile entity (Also check if block should drop items)
-+            if (iblockdata.getBlock() instanceof BlockSkullAbstract && !this.isCreative() && event.isDropItems()) {
-+                iblockdata.getBlock().dropNaturally(iblockdata, world, blockposition, 1.0F, 0);
-+                return this.c(blockposition);
-+            }
++            // And shulker boxes too for duplication on BlockPlaceEvent cancel reasons (Also check if block should drop items)
++            if ((iblockdata.getBlock() instanceof BlockSkullAbstract || iblockdata.getBlock() instanceof BlockShulkerBox) && !this.isCreative() && event.isDropItems()) {
++                org.bukkit.block.BlockState state = bblock.getState();
++                world.captureDrops = new ArrayList<>();
 +
-+            // And shulker boxes too for duplication on cancel reasons (Also check if block should drop items)
-+            if (iblockdata.getBlock() instanceof BlockShulkerBox && event.isDropItems()) {
 +                iblockdata.getBlock().dropNaturally(iblockdata, world, blockposition, 1.0F, 0);
-+                return this.c(blockposition);
++                boolean flag = this.c(blockposition);
++
++                if (event.isDropItems()) {
++                    for (EntityItem item : world.captureDrops) {
++                        if (!org.bukkit.craftbukkit.event.CraftEventFactory.callBlockDropItemEvent(bblock, state, this.player, item).isCancelled()) {
++                            world.addEntity(item);
++                        }
++                    }
++                }
++
++                world.captureDrops = null;
++                return flag;
 +            }
 +            // CraftBukkit end
 +
              if ((block instanceof BlockCommand || block instanceof BlockStructure) && !this.player.isCreativeAndOp()) {
                  this.world.notify(blockposition, iblockdata, iblockdata, 3);
                  return false;
-@@ -221,6 +358,10 @@
+@@ -221,6 +367,10 @@
                      }
                  }
  
@@ -227,7 +236,7 @@
                  boolean flag = this.c(blockposition);
  
                  if (!this.isCreative()) {
-@@ -228,13 +369,31 @@
+@@ -228,13 +378,31 @@
                      boolean flag1 = this.player.hasBlock(iblockdata);
  
                      itemstack1.a(this.world, iblockdata, blockposition, this.player);
@@ -260,7 +269,7 @@
                  return flag;
              }
          }
-@@ -277,11 +436,40 @@
+@@ -277,11 +445,40 @@
          }
      }
  
@@ -301,7 +310,7 @@
  
              if (tileentity instanceof ITileInventory) {
                  Block block = iblockdata.getBlock();
-@@ -305,24 +493,26 @@
+@@ -305,24 +502,26 @@
              boolean flag = !entityhuman.getItemInMainHand().isEmpty() || !entityhuman.getItemInOffHand().isEmpty();
              boolean flag1 = entityhuman.isSneaking() && flag;