package shootergame.world;

import java.util.ArrayList;
import java.util.Random;

import shootergame.display.Camera;
import shootergame.world.layer.Layer;
import shootergame.world.layer.layergen.LayerGen;

public class World
{
	private ArrayList<Layer> layers = new ArrayList<Layer>();
	private int layer_id = 0;
	private Layer layer;
	
	public World(Random rand, LayerGen ... layergen)
	{
		// Loop over the layer generators
		for(LayerGen lg : layergen)
		{
			// Create new layers
			layers.add(new Layer(rand, lg));
		}
		
		// Set the current layer
		layer = layers.get(layer_id);
	}
	
	public void render(Camera camera) {
		layer.render(camera);
	}
	
	public void tickEntities() {
		layer.tickEntities();
	}
	
	public void spawnRandomEntities() {
		layer.spawnRandomEntities();
	}
	
	public int getLayerID() {
		return layer_id;
	}
	
	public void setLayerID(int id) {
		layer_id = id;
	}
	
	public Layer getLayer() {
		return layer;
	}
}