/*******************************************************************************
 * 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;

import com.badlogic.gdx.assets.AssetManager;
import com.badlogic.gdx.math.Matrix3;
import com.badlogic.gdx.math.Matrix4;
import com.badlogic.gdx.math.Quaternion;
import com.badlogic.gdx.math.Vector3;
import com.badlogic.gdx.utils.Disposable;
import com.badlogic.gdx.utils.Json;
import com.badlogic.gdx.utils.JsonValue;

/** It's the base class of every {@link ParticleController} component. A component duty is to participate in one or some events
 * during the simulation. (i.e it can handle the particles emission or modify particle properties, etc.).
 * @author inferno */
public abstract class ParticleControllerComponent implements Disposable, Json.Serializable, ResourceData.Configurable {
	protected static final Vector3 TMP_V1 = new Vector3(), TMP_V2 = new Vector3(), TMP_V3 = new Vector3(), TMP_V4 = new Vector3(),
		TMP_V5 = new Vector3(), TMP_V6 = new Vector3();
	protected static final Quaternion TMP_Q = new Quaternion(), TMP_Q2 = new Quaternion();
	protected static final Matrix3 TMP_M3 = new Matrix3();
	protected static final Matrix4 TMP_M4 = new Matrix4();
	protected ParticleController controller;

	/** Called to initialize new emitted particles. */
	public void activateParticles (int startIndex, int count) {
	};

	/** Called to notify which particles have been killed. */
	public void killParticles (int startIndex, int count) {
	};

	/** Called to execute the component behavior. */
	public void update () {
	};

	/** Called once during intialization */
	public void init () {
	};

	/** Called at the start of the simulation. */
	public void start () {
	};

	/** Called at the end of the simulation. */
	public void end () {
	};

	public void dispose () {
	}

	public abstract ParticleControllerComponent copy ();

	/** Called during initialization to allocate additional particles channels */
	public void allocateChannels () {
	}

	public void set (ParticleController particleController) {
		controller = particleController;
	}

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

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

	@Override
	public void write (Json json) {
	}

	@Override
	public void read (Json json, JsonValue jsonData) {
	}

}