package loon.action.sprite.effect;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.util.ArrayList;
import loon.LSystem;
import loon.action.sprite.ISprite;
import loon.core.LObject;
import loon.core.geom.RectBox;
import loon.core.graphics.opengl.GLEx;
import loon.core.graphics.opengl.LTexture;
import loon.core.timer.LTimer;
import loon.utils.MathUtils;
/**
* Copyright 2008 - 2009
*
* 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.
*
* @project loon
* @author cping
* @email：javachenpeng@yahoo.com
* @version 0.1
*/
public class FreedomEffect extends LObject implements ISprite {
/**
* 自由场景特效
*/
private static final long serialVersionUID = 1L;
private int x, y, width, height, count, layer;
private LTimer timer;
private LTexture texture;
private IKernel[] kernels;
private boolean visible = true, dirty;
private ArrayList<LTexture> tex2ds = new ArrayList<LTexture>(10);
/**
* 返回默认数量的飘雪
*
* @return
*/
public static FreedomEffect getSnowEffect() {
return FreedomEffect.getSnowEffect(60);
}
/**
* 返回指定数量的飘雪
*
* @param count
* @return
*/
public static FreedomEffect getSnowEffect(int count) {
return FreedomEffect.getSnowEffect(count, 0, 0);
}
/**
* 返回指定数量的飘雪
*
* @param count
* @param x
* @param y
* @return
*/
public static FreedomEffect getSnowEffect(int count, int x, int y) {
return FreedomEffect.getSnowEffect(count, x, y,
LSystem.screenRect.width, LSystem.screenRect.height);
}
/**
* 返回指定数量的飘雪
*
* @param count
* @param x
* @param y
* @param w
* @param h
* @return
*/
public static FreedomEffect getSnowEffect(int count, int x, int y, int w,
int h) {
return new FreedomEffect(SnowKernel.class, count, 4, x, y, w, h);
}
/**
* 返回默认数量的落雨
*
* @return
*/
public static FreedomEffect getRainEffect() {
return FreedomEffect.getRainEffect(60);
}
/**
* 返回指定数量的落雨
*
* @param count
* @return
*/
public static FreedomEffect getRainEffect(int count) {
return FreedomEffect.getRainEffect(count, 0, 0);
}
/**
* 返回指定数量的落雨
*
* @param count
* @param x
* @param y
* @return
*/
public static FreedomEffect getRainEffect(int count, int x, int y) {
return FreedomEffect.getRainEffect(count, x, y,
LSystem.screenRect.width, LSystem.screenRect.height);
}
/**
* 返回指定数量的落雨
*
* @param count
* @param x
* @param y
* @param w
* @param h
* @return
*/
public static FreedomEffect getRainEffect(int count, int x, int y, int w,
int h) {
return new FreedomEffect(RainKernel.class, count, 3, x, y, w, h);
}
/**
* 返回指定数量的樱花
*
* @return
*/
public static FreedomEffect getPetalEffect() {
return FreedomEffect.getPetalEffect(25);
}
/**
* 返回指定数量的樱花
*
* @param count
* @return
*/
public static FreedomEffect getPetalEffect(int count) {
return FreedomEffect.getPetalEffect(count, 0, 0);
}
/**
* 返回指定数量的樱花
*
* @param count
* @param x
* @param y
* @return
*/
public static FreedomEffect getPetalEffect(int count, int x, int y) {
return FreedomEffect.getPetalEffect(count, x, y,
LSystem.screenRect.width, LSystem.screenRect.height);
}
/**
* 返回指定数量的樱花
*
* @param count
* @param x
* @param y
* @param w
* @param h
* @return
*/
public static FreedomEffect getPetalEffect(int count, int x, int y, int w,
int h) {
return new FreedomEffect(PetalKernel.class, count, 1, x, y, w, h);
}
public FreedomEffect(Class<?> clazz, int count, int limit) {
this(clazz, count, limit, 0, 0);
}
public FreedomEffect(Class<?> clazz, int count, int limit, int x, int y) {
this(clazz, count, limit, x, y, LSystem.screenRect.width,
LSystem.screenRect.height);
}
public FreedomEffect(Class<?> clazz, int count, int limit, int x, int y,
int w, int h) {
this.x = x;
this.y = y;
this.width = w;
this.height = h;
this.count = count;
this.timer = new LTimer(80);
this.kernels = (IKernel[]) Array.newInstance(clazz, count);
try {
Constructor<?> constructor = clazz
.getDeclaredConstructor(new Class[] { int.class, int.class,
int.class });
for (int i = 0; i < count; i++) {
int no = MathUtils.random(0, limit);
kernels[i] = (IKernel) constructor.newInstance(new Object[] {
new Integer(no), new Integer(w), new Integer(h) });
}
} catch (Exception e) {
e.printStackTrace();
}
}
public void update(long elapsedTime) {
if (visible && timer.action(elapsedTime)) {
for (int i = 0; i < count; i++) {
kernels[i].update();
}
dirty = true;
}
}
public void createUI(GLEx g) {
if (visible) {
if (dirty) {
tex2ds.clear();
for (int i = 0; i < count; i++) {
texture = kernels[i].get();
if (!tex2ds.contains(texture)) {
tex2ds.add(texture);
texture.glBegin();
}
kernels[i].draw(g);
}
for (int i = 0; i < tex2ds.size(); i++) {
texture = tex2ds.get(i);
texture.newBatchCache(true);
texture.postLastBatchCache();
}
dirty = false;
} else {
for (int i = 0; i < tex2ds.size(); i++) {
texture = tex2ds.get(i);
texture.postLastBatchCache();
}
}
}
}
public long getDelay() {
return timer.getDelay();
}
public void setDelay(long delay) {
timer.setDelay(delay);
}
public boolean isVisible() {
return visible;
}
public void setVisible(boolean visible) {
this.visible = visible;
}
public int getHeight() {
return height;
}
public void setHeight(int height) {
this.height = height;
}
public int getWidth() {
return width;
}
public void setWidth(int width) {
this.width = width;
}
public float getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
public float getY() {
return y;
}
public void setY(int y) {
this.y = y;
}
public IKernel[] getKernels() {
return kernels;
}
public void setKernels(IKernel[] kernels) {
this.kernels = kernels;
}
public int getLayer() {
return layer;
}
public void setLayer(int layer) {
this.layer = layer;
}
public RectBox getCollisionBox() {
return getRect(x, y, width, height);
}
public int x() {
return x;
}
public int y() {
return y;
}
public LTexture getBitmap() {
return null;
}
public void dispose() {
this.visible = false;
if (kernels != null) {
for (int i = 0; i < kernels.length; i++) {
kernels[i].dispose();
kernels[i] = null;
}
}
tex2ds.clear();
}
}