Implement script region check

src/main/java/emu/grasscutter/game/entity/GameEntity.java

@@ -34,6 +34,10 @@ public abstract class GameEntity {
 		return this.id;
 	}
 	
+	public int getEntityType() {
+		return getId() >> 24;
+	}
+	
 	public World getWorld() {
 		return this.getScene().getWorld();
 	}

src/main/java/emu/grasscutter/game/world/Scene.java

@@ -508,6 +508,7 @@ public class Scene {
 			}
 			
 			group.triggers.forEach(getScriptManager()::registerTrigger);
+			group.regions.forEach(getScriptManager()::registerRegion);
 		}
 		
 		// Spawn gadgets AFTER triggers are added
@@ -526,6 +527,7 @@ public class Scene {
 		
 		for (SceneGroup group : block.groups) {
 			group.triggers.forEach(getScriptManager()::deregisterTrigger);
+			group.regions.forEach(getScriptManager()::deregisterRegion);
 		}
 	}