/*******************************************************************************
* 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.graphics.g3d.particles.batches.ParticleBatch;
import com.badlogic.gdx.math.Matrix4;
import com.badlogic.gdx.math.Quaternion;
import com.badlogic.gdx.math.Vector3;
import com.badlogic.gdx.math.collision.BoundingBox;
import com.badlogic.gdx.utils.Array;
import com.badlogic.gdx.utils.Disposable;
/** It's a set of particles controllers.
* It can be updated, rendered, transformed which means the changes will be applied
* on all the particles controllers.
* @author inferno */
public class ParticleEffect implements Disposable, ResourceData.Configurable{
private Array<ParticleController> controllers;
private BoundingBox bounds;
public ParticleEffect () {
controllers = new Array<ParticleController>(true, 3, ParticleController.class);
}
public ParticleEffect (ParticleEffect effect) {
controllers = new Array<ParticleController>(true, effect.controllers.size);
for (int i = 0, n = effect.controllers.size; i < n; i++)
controllers.add(effect.controllers.get(i).copy());
}
public ParticleEffect (ParticleController...emitters) {
this.controllers = new Array<ParticleController>(emitters);
}
public void init(){
for (int i = 0, n = controllers.size; i < n; i++)
controllers.get(i).init();
}
public void start () {
for (int i = 0, n = controllers.size; i < n; i++)
controllers.get(i).start();
}
public void end () {
for (int i = 0, n = controllers.size; i < n; i++)
controllers.get(i).end();
}
public void reset() {
for (int i = 0, n = controllers.size; i < n; i++)
controllers.get(i).reset();
}
public void update () {
for (int i = 0, n = controllers.size; i < n; i++)
controllers.get(i).update();
}
public void draw () {
for (int i = 0, n = controllers.size; i < n; i++)
controllers.get(i).draw();
}
/** Sets the given transform matrix on each controller.*/
public void setTransform (Matrix4 transform) {
for (int i = 0, n = controllers.size; i < n; i++)
controllers.get(i).setTransform(transform);
}
/** Applies the rotation to the current transformation matrix of each controller.*/
public void rotate(Quaternion rotation){
for (int i = 0, n = controllers.size; i < n; i++)
controllers.get(i).rotate(rotation);
}
/** Applies the rotation by the given angle around the given axis to the current transformation matrix of each controller.
* @param axis the rotation axis
* @param angle the rotation angle in degrees*/
public void rotate(Vector3 axis, float angle){
for (int i = 0, n = controllers.size; i < n; i++)
controllers.get(i).rotate(axis, angle);
}
/** Applies the translation to the current transformation matrix of each controller.*/
public void translate(Vector3 translation){
for (int i = 0, n = controllers.size; i < n; i++)
controllers.get(i).translate(translation);
}
/** Applies the scale to the current transformation matrix of each controller.*/
public void scale(float scaleX, float scaleY, float scaleZ){
for (int i = 0, n = controllers.size; i < n; i++)
controllers.get(i).scale(scaleX, scaleY, scaleZ);
}
/** Applies the scale to the current transformation matrix of each controller.*/
public void scale(Vector3 scale){
for (int i = 0, n = controllers.size; i < n; i++)
controllers.get(i).scale(scale.x, scale.y, scale.z);
}
/**@return all particle controllers. */
public Array<ParticleController> getControllers () {
return controllers;
}
/** Returns the controller with the specified name, or null. */
public ParticleController findController (String name) {
for (int i = 0, n = controllers.size; i < n; i++) {
ParticleController emitter = controllers.get(i);
if (emitter.name.equals(name)) return emitter;
}
return null;
}
public void dispose () {
for (int i = 0, n = controllers.size; i < n; i++) {
controllers.get(i).dispose();
}
}
/** @return the merged bounding box of all controllers. */
public BoundingBox getBoundingBox () {
if (bounds == null) bounds = new BoundingBox();
BoundingBox bounds = this.bounds;
bounds.inf();
for (ParticleController emitter : controllers)
bounds.ext(emitter.getBoundingBox());
return bounds;
}
/** Assign one batch, among those passed in, to each controller.
* The batch must be compatible with the controller to be assigned.*/
public void setBatch(Array<ParticleBatch<?>> batches){
for(ParticleController controller : controllers){
for(ParticleBatch<?> batch : batches)
if(controller.renderer.setBatch(batch))
break;
}
}
/** @return a copy of this effect, should be used after the particle effect has been loaded. */
public ParticleEffect copy () {
return new ParticleEffect(this);
}
/** Saves all the assets required by all the controllers inside this effect. */
public void save (AssetManager assetManager, ResourceData data){
for(ParticleController controller : controllers){
controller.save(assetManager, data);
}
}
/** Loads all the assets required by all the controllers inside this effect. */
public void load (AssetManager assetManager, ResourceData data){
int i=0;
for(ParticleController controller : controllers){
controller.load(assetManager, data);
}
}
}