feat: when block is placed under water

Author: d3cryptofc

src/main/java/br/minilambda/event/DirtToMudUsingWater.java

@@ -5,6 +5,7 @@
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.BlockFromToEvent;
+import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.event.player.PlayerBucketEmptyEvent;
 
 public class DirtToMudUsingWater implements Listener {
@@ -78,4 +79,24 @@ public void onWaterFlow(BlockFromToEvent event) {
         // Set bottom block type to mud block.
         bottomBlock.setType(Material.MUD);
     }
+
+    @EventHandler
+    public void onBlockPlaceUnderWater(BlockPlaceEvent event){
+        /*
+         * When block is placed under water.
+         */
+        // Getting block placed.
+        Block block = event.getBlock();
+        // Getting top block.
+        Block topBlock = block.getWorld().getBlockAt(
+            block.getX(),
+            block.getY() + 1,
+            block.getZ()
+        );
+
+        // If block type is dirt and top block is water, set block type to mud.
+        if(block.getType() == Material.DIRT && topBlock.getType() == Material.WATER){
+            block.setType(Material.MUD);
+        }
+    }
 }