/*

George Zhang

Base rendered scene implementation.

*/

package geetransit.minecraft05.engine;

import java.util.*;

public abstract class SceneRender extends SceneBase {

private Renderer renderer;

private List<Item> items;

private Map<Mesh, List<Item>> meshMap;

public SceneRender(Renderer renderer) {

super();

this.renderer = renderer;

this.items = new ArrayList<>();

this.meshMap = new HashMap<>();

}

public SceneRender() {

this(null);

}

public Renderer getRenderer() { return this.renderer; }

public SceneRender setRenderer(Renderer renderer) { this.renderer = renderer; return this; }

public List<Item> getItems() { return this.items; }

public Map<Mesh, List<Item>> getMeshMap() { return this.meshMap; }

public SceneRender addItem(Item item) {

Mesh mesh = item.getMesh();

this.items.add(item);

this.meshMap.putIfAbsent(mesh, new ArrayList<>());

this.meshMap.get(mesh).add(item);

return this;

}

public SceneRender removeItem(Item item) {

Mesh mesh = item.getMesh();

this.items.remove(item);

this.meshMap.get(mesh).remove(item);

if (this.meshMap.get(mesh).size() == 0)

this.meshMap.remove(mesh);

return this;

}

@Override

public void init(Window window) throws Exception {

this.renderer.init(window);

super.init(window);

}

@Override

public void input(Window window) {

super.input(window);

}

@Override

public void render(Window window) {

this.renderer.render(window);

super.render(window);

}

@Override

public void cleanup() {

this.renderer.cleanup();

super.cleanup();

for (Item item : this.getItems())

item.cleanup();

}

}