[Bleeding] Added BlockGrowEvent. Addresses BUKKIT-104

By: Feildmaster <admin@feildmaster.com>

paper-server/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java

@@ -80,9 +80,11 @@ public class CraftBlockState implements BlockState {
     }
 
     public boolean setTypeId(final int type) {
+        if (this.type != type) {
             this.type = type;
 
             createData((byte) 0);
+        }
         return true;
     }
 
@@ -126,7 +128,7 @@ public class CraftBlockState implements BlockState {
     }
 
     private void createData(final byte data) {
-        Material mat = Material.getMaterial(type);
+        Material mat = getType();
         if (mat == null || mat.getData() == null) {
             this.data = new MaterialData(type, data);
         } else {
@@ -142,8 +144,8 @@ public class CraftBlockState implements BlockState {
         return new Location(world, x, y, z);
     }
 
-    public void setData(byte data) {
+    public void setRawData(byte data) {
-        createData(data);
+        this.data.setData(data);
     }
 
     @Override

paper-server/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java

@@ -52,6 +52,7 @@ import org.bukkit.block.BlockState;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.craftbukkit.CraftWorld;
 import org.bukkit.craftbukkit.block.CraftBlock;
+import org.bukkit.craftbukkit.block.CraftBlockState;
 import org.bukkit.craftbukkit.entity.CraftLivingEntity;
 import org.bukkit.craftbukkit.entity.CraftPlayer;
 import org.bukkit.craftbukkit.inventory.CraftItemStack;
@@ -438,4 +439,18 @@ public class CraftEventFactory {
 
         return !projectile.doesBounce();
     }
+
+    public static void handleBlockGrowEvent(World world, int x, int y, int z, int type, int data) {
+        Block block = world.getWorld().getBlockAt(x, y, z);
+        CraftBlockState state = (CraftBlockState) block.getState();
+        state.setTypeId(type);
+        state.setRawData((byte) data);
+
+        BlockGrowEvent event = new BlockGrowEvent(block, state);
+        Bukkit.getPluginManager().callEvent(event);
+
+        if (!event.isCancelled()) {
+            state.update(true);
+        }
+    }
 }