SPIGOT-4352: MoistureChangeEvent

nms-patches/BlockSoil.patch

@@ -12,7 +12,21 @@
  public class BlockSoil extends Block {
  
      public static final BlockStateInteger MOISTURE = BlockProperties.ai;
-@@ -63,14 +68,37 @@
+@@ -51,26 +56,49 @@
+ 
+             if (!a((IWorldReader) world, blockposition) && !world.isRainingAt(blockposition.up())) {
+                 if (i > 0) {
+-                    world.setTypeAndData(blockposition, (IBlockData) iblockdata.set(BlockSoil.MOISTURE, Integer.valueOf(i - 1)), 2);
++                    org.bukkit.craftbukkit.event.CraftEventFactory.handleMoistureChangeEvent(world, blockposition, (IBlockData) iblockdata.set(BlockSoil.MOISTURE, Integer.valueOf(i - 1)), 2); // CraftBukkit
+                 } else if (!a((IBlockAccess) world, blockposition)) {
+                     b(iblockdata, world, blockposition);
+                 }
+             } else if (i < 7) {
+-                world.setTypeAndData(blockposition, (IBlockData) iblockdata.set(BlockSoil.MOISTURE, Integer.valueOf(7)), 2);
++                org.bukkit.craftbukkit.event.CraftEventFactory.handleMoistureChangeEvent(world, blockposition, (IBlockData) iblockdata.set(BlockSoil.MOISTURE, Integer.valueOf(7)), 2); // CraftBukkit
+             }
+ 
+         }
      }
  
      public void fallOn(World world, BlockPosition blockposition, Entity entity, float f) {

src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java

@@ -373,6 +373,19 @@ public class CraftEventFactory {
         return event;
     }
 
+    public static boolean handleMoistureChangeEvent(World world, BlockPosition pos, IBlockData newBlock, int flag) {
+        CraftBlockState state = CraftBlockState.getBlockState(world, pos, flag);
+        state.setData(newBlock);
+
+        MoistureChangeEvent event = new MoistureChangeEvent(state.getBlock(), state);
+        Bukkit.getPluginManager().callEvent(event);
+
+        if (!event.isCancelled()) {
+            state.update(true);
+        }
+        return !event.isCancelled();
+    }
+
     public static boolean handleBlockSpreadEvent(World world, BlockPosition source, BlockPosition target, IBlockData block) {
         return handleBlockSpreadEvent(world, source, target, block, 2);
     }