/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package com.badlogic.gdx.graphics.g3d.particles.batches;

import com.badlogic.gdx.assets.AssetManager;
import com.badlogic.gdx.graphics.g3d.Renderable;
import com.badlogic.gdx.graphics.g3d.particles.ResourceData;
import com.badlogic.gdx.graphics.g3d.particles.renderers.ModelInstanceControllerRenderData;
import com.badlogic.gdx.utils.Array;
import com.badlogic.gdx.utils.Pool;

/*** This class is used to render particles having a model instance channel.
 * @author Inferno */
public class ModelInstanceParticleBatch implements ParticleBatch<ModelInstanceControllerRenderData> {
	Array<ModelInstanceControllerRenderData> controllersRenderData;
	int bufferedParticlesCount;

	public ModelInstanceParticleBatch () {
		controllersRenderData = new Array<ModelInstanceControllerRenderData>(false, 5);
	}

	@Override
	public void getRenderables (Array<Renderable> renderables, Pool<Renderable> pool) {
		for (ModelInstanceControllerRenderData data : controllersRenderData) {
			for (int i = 0, count = data.controller.particles.size; i < count; ++i) {
				data.modelInstanceChannel.data[i].getRenderables(renderables, pool);
			}
		}
	}

	public int getBufferedCount () {
		return bufferedParticlesCount;
	}

	@Override
	public void begin () {
		controllersRenderData.clear();
		bufferedParticlesCount = 0;
	}

	@Override
	public void end () {
	}

	@Override
	public void draw (ModelInstanceControllerRenderData data) {
		controllersRenderData.add(data);
		bufferedParticlesCount += data.controller.particles.size;
	}

	@Override
	public void save (AssetManager manager, ResourceData assetDependencyData) {
	}

	@Override
	public void load (AssetManager manager, ResourceData assetDependencyData) {
	}
}