"Spawner Support"

src/main/java/com/volmit/iris/object/tile/TileData.java

@@ -19,6 +19,7 @@ public interface TileData<T extends TileState> extends Cloneable {
         KList<TileData<? extends TileState>> registry = new KList<>();
 
         registry.add(new TileSign());
+        registry.add(new TileSpawner());
 
         return registry;
     }

src/main/java/com/volmit/iris/object/tile/TileSpawner.java

@@ -0,0 +1,64 @@
+package com.volmit.iris.object.tile;
+
+import lombok.Data;
+import net.querz.nbt.tag.CompoundTag;
+import net.querz.nbt.tag.ListTag;
+import org.bukkit.block.CreatureSpawner;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.block.data.type.WallSign;
+import org.bukkit.entity.EntityType;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+
+@Data
+public class TileSpawner implements TileData<CreatureSpawner> {
+    public static int id = TileData.id;
+    private EntityType entityType;
+
+    @Override
+    public boolean isApplicable(BlockData data) {
+        return data instanceof org.bukkit.block.data.type.Sign || data instanceof WallSign;
+    }
+
+    @Override
+    public void toBukkit(CreatureSpawner t) {
+        t.setSpawnedType(entityType);
+    }
+
+    @Override
+    public void fromBukkit(CreatureSpawner sign) {
+        entityType = sign.getSpawnedType();
+    }
+
+    @Override
+    public TileSpawner clone() {
+        TileSpawner ts = new TileSpawner();
+        ts.setEntityType(getEntityType());
+        return ts;
+    }
+
+    @Override
+    public void toBinary(DataOutputStream out) throws IOException {
+        out.writeShort(id);
+        out.writeShort(entityType.ordinal());
+    }
+
+    @Override
+    public void fromBinary(DataInputStream in) throws IOException {
+        entityType = EntityType.values()[in.readShort()];
+    }
+
+    @Override
+    public void toNBT(CompoundTag tag) {
+        ListTag<CompoundTag> potentials = (ListTag<CompoundTag>) ListTag.createUnchecked(CompoundTag.class);
+        CompoundTag t = new CompoundTag();
+        CompoundTag ent = new CompoundTag();
+        ent.putString("id", entityType.getKey().toString());
+        t.put("Entity", ent);
+        t.putInt("Weight", 1);
+        potentials.add(t);
+        tag.put("SpawnPotentials", potentials);
+    }
+}