Cocos2D-Android-1之源码详解：4.AtlasTest

package org.cocos2d.tests;

import javax.microedition.khronos.opengles.GL10;

import org.cocos2d.actions.UpdateCallback;

import org.cocos2d.actions.base.CCRepeatForever;

import org.cocos2d.actions.interval.CCFadeIn;

import org.cocos2d.actions.interval.CCFadeOut;

import org.cocos2d.actions.interval.CCJumpBy;

import org.cocos2d.actions.interval.CCRotateBy;

import org.cocos2d.actions.interval.CCScaleBy;

import org.cocos2d.actions.interval.CCSequence;

import org.cocos2d.config.ccMacros;

import org.cocos2d.layers.CCColorLayer;

import org.cocos2d.layers.CCLayer;

import org.cocos2d.layers.CCScene;

import org.cocos2d.menus.CCMenu;

import org.cocos2d.menus.CCMenuItemImage;

import org.cocos2d.nodes.CCDirector;

import org.cocos2d.nodes.CCLabel;

import org.cocos2d.nodes.CCLabelAtlas;

import org.cocos2d.nodes.CCSprite;

import org.cocos2d.opengl.CCBitmapFontAtlas;

import org.cocos2d.opengl.CCDrawingPrimitives;

import org.cocos2d.opengl.CCGLSurfaceView;

import org.cocos2d.opengl.CCTextureAtlas;

import org.cocos2d.types.CGPoint;

import org.cocos2d.types.CGSize;

import org.cocos2d.types.ccColor3B;

import org.cocos2d.types.ccColor4B;

import org.cocos2d.types.ccQuad2;

import org.cocos2d.types.ccQuad3;

import org.cocos2d.utils.CCFormatter;

import android.app.Activity;

import android.os.Bundle;

import android.view.Window;

import android.view.WindowManager;

// AtlasTest,there is a downloadable demo here:

// http://code.google.com/p/cocos2d-android-1/downloads/detail?name=CCTextureAtlas%20and%20CCBitmapFontAtlas.3gp&can=2&q=#makechanges

//

public class AtlasTest extends Activity {

// private static final String LOG_TAG = AtlasTest.class.getSimpleName();

private CCGLSurfaceView mGLSurfaceView;

@Override

protected void onCreate(Bundle savedInstanceState) {//惯例的开头

super.onCreate(savedInstanceState);

requestWindowFeature(Window.FEATURE_NO_TITLE);

getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,

WindowManager.LayoutParams.FLAG_FULLSCREEN);

getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON,

WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

mGLSurfaceView = new CCGLSurfaceView(this);//建立surface

CCDirector director = CCDirector.sharedDirector();//得到全局导演

director.attachInView(mGLSurfaceView);//把这个surface的控制权交给导演

director.setDeviceOrientation(CCDirector.kCCDeviceOrientationLandscapeLeft);//横屏

setContentView(mGLSurfaceView);//把这个surface设置为背景

// show FPS

CCDirector.sharedDirector().setDisplayFPS(true);

// frames per second

CCDirector.sharedDirector().setAnimationInterval(1.0f / 60);

CCScene scene = CCScene.node();//创建场景

scene.addChild(nextAction());//给场景添加子类

// Make the Scene active

CCDirector.sharedDirector().runWithScene(scene);//导演把这个图层拿去，操作surfaceview，把这个场景置于栈顶

}

static int sceneIdx = -1;

static Class<?> transitions[] = {

Atlas1.class,

LabelAtlasTest.class,

LabelAtlasColorTest.class,

Atlas3.class,

Atlas4.class,

Atlas5.class,

Atlas6.class,

AtlasBitmapColor.class,

AtlasFastBitmap.class,

};

@Override

public void onStart() {

super.onStart();

}

@Override

public void onPause() {

super.onPause();

CCDirector.sharedDirector().onPause();

}

@Override

public void onResume() {

super.onResume();

CCDirector.sharedDirector().onResume();

}

@Override

public void onDestroy() {

super.onDestroy();

CCDirector.sharedDirector().end();

// CCTextureCache.sharedTextureCache().removeAllTextures();

}

public static final int kTagTileMap = 1;

public static final int kTagSpriteManager = 1;

public static final int kTagAnimation1 = 1;

public static final int kTagBitmapAtlas1 = 1;

public static final int kTagBitmapAtlas2 = 2;

public static final int kTagBitmapAtlas3 = 3;

public static final int kTagSprite1 = 0;

public static final int kTagSprite2 = 1;

public static final int kTagSprite3 = 2;

public static final int kTagSprite4 = 3;

public static final int kTagSprite5 = 4;

public static final int kTagSprite6 = 5;

public static final int kTagSprite7 = 6;

public static final int kTagSprite8 = 7;

static CCLayer nextAction() {//同理

sceneIdx++;

sceneIdx = sceneIdx % transitions.length;

return restartAction();

}

static CCLayer backAction() {

sceneIdx--;

int total = transitions.length;

if (sceneIdx < 0)

sceneIdx += total;

return restartAction();

}

static CCLayer restartAction() {//同理

Class<?> c = transitions[sceneIdx];

try {

return (CCLayer) c.newInstance();

} catch (IllegalAccessException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (InstantiationException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

return null;

}

static abstract class AtlasDemo extends CCLayer {//主要图层

CCTextureAtlas atlas;//图像类

public AtlasDemo() {

CGSize s = CCDirector.sharedDirector().winSize();//得到屏幕大小

CCLabel label = CCLabel.makeLabel(title(),"DroidSans",32);

addChild(label,1);//添加一个label

label.setPosition(CGPoint.make(s.width / 2,s.height / 2 - 50));

//设置位置：在屏幕中间

String subtitle = subtitle();//得到标题

if( subtitle != null ) {

CCLabel l = CCLabel.makeLabel(subtitle,"DroidSerif",16);

addChild(l,1);

l.setPosition(CGPoint.ccp(s.width/2,s.height-80));

}

//还是那3组菜单项目的按钮

CCMenuItemImage item1 = CCMenuItemImage.item("b1.png","b2.png",this,"backCallback");

CCMenuItemImage item2 = CCMenuItemImage.item("r1.png","r2.png","restartCallback");

CCMenuItemImage item3 = CCMenuItemImage.item("f1.png","f2.png","nextCallback");

CCMenu menu = CCMenu.menu(item1,item2,item3);

menu.setPosition(CGPoint.make(0,0));

item1.setPosition(CGPoint.make(s.width / 2 - 100,30));

item2.setPosition(CGPoint.make(s.width / 2,30));

item3.setPosition(CGPoint.make(s.width / 2 + 100,30));

addChild(menu,1);

}

public void restartCallback(Object sender) {//方法也是

CCScene s = CCScene.node();

s.addChild(restartAction());

CCDirector.sharedDirector().replaceScene(s);

}

public void nextCallback(Object sender) {

CCScene s = CCScene.node();

s.addChild(nextAction());

CCDirector.sharedDirector().replaceScene(s);

}

public void backCallback(Object sender) {

CCScene s = CCScene.node();

s.addChild(backAction());

CCDirector.sharedDirector().replaceScene(s);

}

public String title() {

return "No title";

}

public String subtitle() {

return null;

}

}

static class Atlas1 extends AtlasDemo {//第一个类型的

CCTextureAtlas textureAtlas;//有个纹理图像

public Atlas1() {

super();

textureAtlas = new CCTextureAtlas("atlastest.png",3);//创建一个用来存储纹理的对象，他有一个弱引用存储这个文件名

CGSize s = CCDirector.sharedDirector().winSize();//得到屏幕大小

ccQuad2 texCoords[] = new ccQuad2[]{//3个图片的纹理坐标

new ccQuad2(0.0f,1.0f,0.0f,0.0f),

new ccQuad2(0.0f,0.2f,0.5f,

};

ccQuad3 vertices[] = new ccQuad3[]{//顶点

new ccQuad3(0,s.width,s.height,0),

new ccQuad3(40,40,120,80,160,

new ccQuad3(s.width/2,s.width/2-50,200,100,

};

ccColor4B colors[][] = new ccColor4B[][] {//颜色

{ ccColor4B.ccc4(0,255,255),ccColor4B.ccc4(0,

ccColor4B.ccc4(0,255) },

{ ccColor4B.ccc4(255,ccColor4B.ccc4(255,

ccColor4B.ccc4(255,

};

for (int i = 0; i < 3; i++) {//分别更新了3种不同的

textureAtlas.updateQuad(texCoords[i],vertices[i],i);

textureAtlas.updateColor(colors[i],i);

}

}

public void draw(GL10 gl) {//画图方法

// Default client GL state:

// GL_VERTEX_ARRAY,GL_COLOR_ARRAY,GL_TEXTURE_COORD_ARRAY

// GL_TEXTURE_2D

textureAtlas.drawQuads(gl);//绘制文字图像

// [textureAtlas drawNumberOfQuads:3];

}

@Override

public String title() {

return "CCTextureAtlas Atlas1";

}

@Override

public String subtitle() {

return "Manual creation of CCTextureAtlas";

}

}

static class LabelAtlasTest extends AtlasDemo {//标签图字

float time;

public LabelAtlasTest() {

super();

CCLabelAtlas label1 = CCLabelAtlas.label("123 Test",//从图片中找到字符串对应的位子，宽48，高64

"tuffy_bold_italic-charmap.png",48,64,' ');//以下同理

addChild(label1,kTagSprite1);

label1.setPosition(CGPoint.ccp(10,100));

label1.setOpacity(200);

CCLabelAtlas label2 = CCLabelAtlas.label("0123456789",

"tuffy_bold_italic-charmap.png",' ');

addChild(label2,kTagSprite2);

label2.setPosition(CGPoint.ccp(10,200));

label2.setOpacity(32);

schedule(new UpdateCallback() {//时间表里添加返回事件

@Override

public void update(float d) {//事件，参数时间，是真实的间隔时间，因为会有延迟的

step(d);//方法

}

});

}

public void step(float dt) {

time += dt;//时间增量

String string = CCFormatter.format("%2.2f Test",time);//格式化

CCLabelAtlas label1 = (CCLabelAtlas) getChildByTag(kTagSprite1);//通过节点中的子类，查找标签是1的子类

label1.setString(string);把那个字符串得到

CCLabelAtlas label2 = (CCLabelAtlas) getChildByTag(kTagSprite2);//同理

label2.setString(CCFormatter.format("%d",(int)time));

}

@Override

public String title() {

return "CCLabelAtlas LabelAtlasTest";

}

public String subtitle() {

return "Updating label should be fast";

}

}

static class LabelAtlasColorTest extends AtlasDemo {//带颜色的

float time;

public LabelAtlasColorTest() {

super();

CCLabelAtlas label1 = CCLabelAtlas.label("123 Test",//同理

"tuffy_bold_italic-charmap.png",' ');

addChild(label1,200));

label2.setColor(ccColor3B.ccRED);//设置红色

CCFadeOut fade = CCFadeOut.action(1.0f);//隐藏

CCFadeIn fade_in = fade.reverse();//显示

CCSequence seq = CCSequence.actions(fade,fade_in);

CCRepeatForever repeat = CCRepeatForever.action(seq);//永久循环

label2.runAction(repeat);

schedule(new UpdateCallback() {

@Override

public void update(float d) {

step(d);

}

});

}

public void step(float dt) {

time += dt;

String string = CCFormatter.format("%2.2f Test",time);

CCLabelAtlas label1 = (CCLabelAtlas) getChildByTag(kTagSprite1);

label1.setString(string);

CCLabelAtlas label2 = (CCLabelAtlas) getChildByTag(kTagSprite2);

label2.setString(CCFormatter.format("%d",(int)time));

}

public String title() {

return "CCLabelAtlas LabelAtlasColorTest";

}

public String subtitle() {

return "Opacity + Color should work at the same time";

}

}

/*

* Use any of these editors to generate bitmap font atlas:

* http://www.n4te.com/hiero/hiero.jnlp

* http://slick.cokeandcode.com/demos/hiero.jnlp

* http://www.angelcode.com/products/bmfont/

*/

static class Atlas3 extends AtlasDemo {//地图集3

float time;

public Atlas3() {

super();

CCColorLayer col = CCColorLayer.node(ccColor4B.ccc4(128,128,255));//一个有颜色的图层

addChild(col,-10);

CCBitmapFontAtlas label1 = CCBitmapFontAtlas.bitmapFontAtlas("Test","bitmapFontTest2.fnt");//创建字体从图片

// testing anchors

label1.setAnchorPoint(CGPoint.ccp(0,0));

addChild(label1,kTagBitmapAtlas1);

CCFadeOut fade = CCFadeOut.action(1.0f);//隐藏效果

CCFadeIn fade_in = fade.reverse();//出现

CCSequence seq = CCSequence.actions(fade,fade_in);

CCRepeatForever repeat = CCRepeatForever.action(seq);

label1.runAction(repeat);

// VERY IMPORTANT

// color and opacity work OK because bitmapFontAltas2 loads a BMP image (not a PNG image)

// If you want to use both opacity and color,it is recommended to use NON premultiplied images like BMP images

// Of course,you can also tell XCode not to compress PNG images,but I think it doesn't work as expected

CCBitmapFontAtlas label2 = CCBitmapFontAtlas.bitmapFontAtlas("Test","bitmapFontTest2.fnt");

// testing anchors

label2.setAnchorPoint(CGPoint.ccp(0.5f,0.5f));

label2.setColor(ccColor3B.ccRED);

addChild(label2,kTagBitmapAtlas2);

label2.runAction(repeat.copy());

CCBitmapFontAtlas label3 = CCBitmapFontAtlas.bitmapFontAtlas("Test","bitmapFontTest2.fnt");

// testing anchors

label3.setAnchorPoint(CGPoint.ccp(1,1));

addChild(label3,kTagBitmapAtlas3);

CGSize s = CCDirector.sharedDirector().winSize();

label1.setPosition(CGPoint.ccp(0,0));

label2.setPosition(CGPoint.ccp( s.width/2,s.height/2));

label3.setPosition(CGPoint.ccp( s.width,s.height));

schedule(new UpdateCallback() {

@Override

public void update(float d) {

step(d);

}

});

}

public void step(float dt) {

time += dt;

String string = CCFormatter.format("%2.2f Test j",time);

CCBitmapFontAtlas label1 = (CCBitmapFontAtlas) getChildByTag(kTagBitmapAtlas1);//得到子类通过父类中的标签，cocos2d所有的图片都是一个节点

label1.setString(string);

CCBitmapFontAtlas label2 = (CCBitmapFontAtlas) getChildByTag(kTagBitmapAtlas2);

label2.setString(string);

CCBitmapFontAtlas label3 = (CCBitmapFontAtlas) getChildByTag(kTagBitmapAtlas3);

label3.setString(string);

}

@Override

public String title() {

return "CCBitmapFontAtlas Atlas3";

}

@Override

public String subtitle() {

return "Testing alignment. Testing opacity + tint";

}

}

/*

* Use any of these editors to generate bitmap font atlas:

* http://www.n4te.com/hiero/hiero.jnlp

* http://slick.cokeandcode.com/demos/hiero.jnlp

* http://www.angelcode.com/products/bmfont/

*/

static class Atlas4 extends AtlasDemo {

float time;

public Atlas4() {

super();

// Upper Label

CCBitmapFontAtlas label = CCBitmapFontAtlas.bitmapFontAtlas("Bitmap Font Atlas","bitmapFontTest.fnt");//又是一个图片字体集合

addChild(label);

CGSize s = CCDirector.sharedDirector().winSize();

label.setPosition(CGPoint.ccp(s.width/2,s.height/2));

label.setAnchorPoint(CGPoint.ccp(0.5f,0.5f));//设置锚点，也就是旋转中心

CCSprite BChar = (CCSprite) label.getChildByTag(0);

CCSprite FChar = (CCSprite) label.getChildByTag(7);

CCSprite AChar = (CCSprite) label.getChildByTag(12);

CCRotateBy rotate = CCRotateBy.action(2,360);//旋转动作

CCRepeatForever rot_4ever = CCRepeatForever.action(rotate);//永久动作

CCScaleBy scale = CCScaleBy.action(2,1.5f);//缩放比例

CCScaleBy scale_back = scale.reverse();//反缩放

CCSequence scale_seq = CCSequence.actions(scale,scale_back);//顺序执行

CCRepeatForever scale_4ever = CCRepeatForever.action(scale_seq);

//永久执行

CCJumpBy jump = CCJumpBy.action(0.5f,CGPoint.zero(),60,1);//相对跳跃

CCRepeatForever jump_4ever = CCRepeatForever.action(jump);

//永久跳跃

CCFadeOut fade_out = CCFadeOut.action(1);//淡出

CCFadeIn fade_in = CCFadeIn.action(1);//显示

CCSequence seq = CCSequence.actions(fade_out,fade_in);//动作

CCRepeatForever fade_4ever = CCRepeatForever.action(seq);//永久动作

BChar.runAction(rot_4ever);//让精灵执行

BChar.runAction(scale_4ever);

FChar.runAction(jump_4ever);

AChar.runAction(fade_4ever);

// Bottom Label

CCBitmapFontAtlas label2 = CCBitmapFontAtlas.bitmapFontAtlas("00.0","bitmapFontTest.fnt");//图片字体集

addChild(label2,kTagBitmapAtlas2);

label2.setPosition(CGPoint.ccp(s.width/2.0f,80));

CCSprite lastChar = (CCSprite)label2.getChildByTag(3);

lastChar.runAction(rot_4ever.copy());

schedule(new UpdateCallback() {

@Override

public void update(float d) {

step(d);

}

},0.1f);

}

public void draw(GL10 gl) {//同上 一个显示时间的类

CGSize s = CCDirector.sharedDirector().winSize();

CCDrawingPrimitives.ccDrawLine(gl,CGPoint.ccp(0,s.height/2),CGPoint.ccp(s.width,s.height/2) );//运用绘画原语来画线

CCDrawingPrimitives.ccDrawLine(gl,CGPoint.ccp(s.width/2,s.height) );

}

public void step(float dt) {//还是个显示时间的

time += dt;

String string = CCFormatter.format("%04.1f",time);

CCBitmapFontAtlas label1 = (CCBitmapFontAtlas) getChildByTag(kTagBitmapAtlas2);

label1.setString(string);

}

@Override

public String title() {

return "CCBitmapFontAtlas Atlas4";

}

public String subtitle() {

return "Using fonts as CCSprite objects. Some characters should rotate.";

}

}

/*

* Use any of these editors to generate bitmap font atlas:

* http://www.n4te.com/hiero/hiero.jnlp

* http://slick.cokeandcode.com/demos/hiero.jnlp

* http://www.angelcode.com/products/bmfont/

*/

static class Atlas5 extends AtlasDemo {

public Atlas5() {

super();

CCBitmapFontAtlas label = CCBitmapFontAtlas.bitmapFontAtlas("abcdefg","bitmapFontTest4.fnt");

addChild(label);

CGSize s = CCDirector.sharedDirector().winSize();

label.setPosition(CGPoint.ccp(s.width/2,0.5f));

}

public String title() {

return "CCBitmapFontAtlas Atlas5";

}

public String subtitle() {

return "Testing padding";

}

}

/*

* Use any of these editors to generate bitmap font atlas:

* http://www.n4te.com/hiero/hiero.jnlp

* http://slick.cokeandcode.com/demos/hiero.jnlp

* http://www.angelcode.com/products/bmfont/

*/

static class Atlas6 extends AtlasDemo {//同理

public Atlas6() {

super();

CGSize s = CCDirector.sharedDirector().winSize();

CCBitmapFontAtlas label = null;

label = CCBitmapFontAtlas.bitmapFontAtlas("FaFeFiFoFu","bitmapFontTest5.fnt");

addChild(label);

label.setPosition(CGPoint.ccp(s.width/2,s.height/2+50));

label.setAnchorPoint(CGPoint.ccp(0.5f,0.5f));

label = CCBitmapFontAtlas.bitmapFontAtlas("fafefifofu",0.5f));

label = CCBitmapFontAtlas.bitmapFontAtlas("aeiou",s.height/2-50));

label.setAnchorPoint(CGPoint.ccp(0.5f,0.5f));

}

public String title() {

return "CCBitmapFontAtlas Atlas6";

}

public String subtitle() {

return "Rendering should be OK. Testing offset";

}

}

/*

* Use any of these editors to generate bitmap font atlas:

* http://www.n4te.com/hiero/hiero.jnlp

* http://slick.cokeandcode.com/demos/hiero.jnlp

* http://www.angelcode.com/products/bmfont/

*/

static class AtlasBitmapColor extends AtlasDemo {

public AtlasBitmapColor() {

super();

CGSize s = CCDirector.sharedDirector().winSize();

CCBitmapFontAtlas label = null;

label = CCBitmapFontAtlas.bitmapFontAtlas("Blue","bitmapFontTest5.fnt");

label.setColor(ccColor3B.ccBLUE);

addChild(label);

label.setPosition(CGPoint.ccp(s.width/2,s.height/4));

label.setAnchorPoint(CGPoint.ccp(0.5f,0.5f));

label = CCBitmapFontAtlas.bitmapFontAtlas("Red",2*s.height/4));

label.setAnchorPoint(CGPoint.ccp(0.5f,0.5f));

label.setColor(ccColor3B.ccRED);

label = CCBitmapFontAtlas.bitmapFontAtlas("G",3*s.height/4));

label.setAnchorPoint(CGPoint.ccp(0.5f,0.5f));

label.setColor(ccColor3B.ccGREEN);

label.setString("Green");

}

public String title() {

return "CCBitmapFontAtlas AtlasBitmapColor";

}

public String subtitle() {

return "Testing color";

}

}

/*

* Use any of these editors to generate bitmap font atlas:

* http://www.n4te.com/hiero/hiero.jnlp

* http://slick.cokeandcode.com/demos/hiero.jnlp

* http://www.angelcode.com/products/bmfont/

*/

static class AtlasFastBitmap extends AtlasDemo {

public AtlasFastBitmap() {

super();

// Upper Label

for( int i=0 ; i < 100;i ++ ) {

CCBitmapFontAtlas label = CCBitmapFontAtlas.bitmapFontAtlas(

String.format("-%d-",i),"bitmapFontTest.fnt");

//同理

addChild(label);

CGSize s = CCDirector.sharedDirector().winSize();

CGPoint p = CGPoint.ccp( ccMacros.CCRANDOM_0_1() * s.width,ccMacros.CCRANDOM_0_1() * s.height);

label.setPosition(p);

label.setAnchorPoint(CGPoint.ccp(0.5f,0.5f));

}

}

public String title() {

return "CCBitmapFontAtlas AtlasFastBitmap";

}

public String subtitle() {

return "Creating several CCBitmapFontAtlas with the same .fnt file should be fast";

}

}

}

（编辑：李大同）

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