Droid Invasion!
/**
* Copyright Hasufel ( http://wonderfl.net/user/Hasufel )
* GNU General Public License, v3 ( http://www.gnu.org/licenses/quick-guide-gplv3.html )
* Downloaded from: http://wonderfl.net/c/6a7x
*/
// Droid Invasion!
// Minimal 2d stage3d accelerated animation sprite engine
// based on work from Christer Kaitila/Chris Nuuja/Philippe Elsass/Iain Lobb - thx to all of them!
// Pushing @60fps over 500 64*64 animated sprites on Sony Xperia pro mini @1ghz Scorpion/Adreno 205/Android 2.3
// @Hasufel 2012 (2012-06-01 02:07:41)
// recompiled to get through wonderfl compiled code cache loss
package {
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Loader;
import flash.display.Sprite;
import flash.display.StageAlign;
import flash.display.StageQuality;
import flash.display.StageScaleMode;
import flash.display3D.*;
import flash.events.ErrorEvent;
import flash.events.Event;
import flash.geom.Rectangle;
import flash.utils.ByteArray;
import net.hires.debug.Stats;
[SWF(width="465", height="465", frameRate="60", backgroundColor="#000000")]
public class DroidInvasion extends Sprite {
private var _stageW:uint = stage.stageWidth;
private var _stageH:uint = stage.stageHeight;
private var _stageRect:Rectangle = new Rectangle(0,0,_stageW,_stageH);
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private var _loader:Loader;
private var _entities:EntityManager;
private var _spriteStage:LiteSpriteStage;
private var _bg:GameBackground;
private var _context3D:Context3D;
private var _textureDroids:BitmapData;
private var _textureBg:BitmapData;
//private var sc:BitmapData = new BitmapData(465, 465, false);
public function DroidInvasion():void {
//Wonderfl.disable_capture();
//addChild(new Bitmap(sc));
stage?init():addEventListener(Event.ADDED_TO_STAGE, init);
}
private function init(e:Event = null):void {
removeEventListener(Event.ADDED_TO_STAGE, init);
setProps(stage, {quality:StageQuality.LOW, scaleMode:StageScaleMode.NO_SCALE, align:StageAlign.TOP_LEFT, stageFocusRect:false, tabChildren:false});
stage.addEventListener(Event.RESIZE, onResizeEvent);
loadTexture(_textureb64,saveDroids);
}
private function loadTexture(t:String,f:Function):void {
var b:ByteArray = Base64.decode(t);
_loader = new Loader();
_loader.contentLoaderInfo.addEventListener(Event.COMPLETE,f);
_loader.loadBytes(b);
}
private function saveDroids(e:Event):void {
_textureDroids = new BitmapData(_loader.content.width,_loader.content.height,true,0x00FFFFFF);
_textureDroids.draw(_loader.content);
loadTexture(_textureBgb64,saveBg);
}
private function saveBg(e:Event):void {
_textureBg = new BitmapData(_loader.content.width,_loader.content.height,true,0x00FFFFFF);
_textureBg.draw(_loader.content);
_loader = null;
initContext3D();
}
private function initContext3D():void {
stage.stage3Ds[0].addEventListener(Event.CONTEXT3D_CREATE, onContext3DCreate);
stage.stage3Ds[0].addEventListener(ErrorEvent.ERROR, errorHandler);
stage.stage3Ds[0].requestContext3D(Context3DRenderMode.AUTO);
}
private function onContext3DCreate(e:Event):void {
_context3D = stage.stage3Ds[0].context3D;
initSpriteEngine();
}
private function errorHandler(e:ErrorEvent):void {
trace("Error while setting up Stage3D: "+e.errorID+" - " +e.text);
}
protected function onResizeEvent(event:Event):void {
_stageW = stage.stageWidth;
_stageH = stage.stageHeight;
_stageRect = new Rectangle(0,0,_stageW,_stageH);
if (_spriteStage != null ) _spriteStage.position = _stageRect;
if(_entities != null) _entities.setPosition(_stageRect);
}
private function initSpriteEngine():void {
var stats:Stats = new Stats();
addChild(stats);
_spriteStage = new LiteSpriteStage(stage.stage3Ds[0], _context3D, _stageRect);
_spriteStage.configureBackBuffer(_stageW,_stageH);
_bg = new GameBackground(_stageRect,_textureBg);
_bg.createBatch(_context3D);
_spriteStage.addBatch(_bg.batch);
_bg.initBackground();
_entities = new EntityManager(_stageRect,_textureDroids);
_entities.createBatch(_context3D);
_spriteStage.addBatch(_entities.batch);
for (var i:uint = 0;i<400;++i) {
if (Math.random()*10>6) {
if (Math.random()*10>1) {
if (Math.random()*10>9){
_entities.addEntity(42+(Math.random()*8)>>0,(Math.random()*_stageW)>>0,((i*.9)>>0)+80,3,0,0,true,3,42,13);
}
else {
_entities.addEntity(16+(Math.random()*8)>>0,(Math.random()*_stageW)>>0,((i*.9)>>0)+80 ,-.4,0,0,true,6,16,13);
}
}
else {
_entities.addEntity(32+(Math.random()*6)>>0,(Math.random()*_stageW)>>0,((i*.9)>>0)+80 ,-1,0,0,true,3,32,5);
}
}
else {
_entities.addEntity((Math.random()*8)>>0,(Math.random()*_stageW)>>0,((i*.9)>>0)+80 ,-1,0,0,true,3,0,15);
}
}
stage.addEventListener(Event.ENTER_FRAME,gameEnterFrame);
}
private function gameEnterFrame(e:Event):void {
try {
_context3D.clear(0,0,0,1);
_entities.update();
_spriteStage.render();
//_context3D.drawToBitmapData(sc);
_context3D.present();
}
catch (e:Error) {}
}
private function setProps(o:*,p:Object):void {
for (var k:String in p) o[k]=p[k];
}
}
}
class Entity {
private var _speedX:Number;
private var _orSpeedX:Number;
private var _speedY:Number;
private var _orSpeedY:Number;
private var _sprite:LiteSprite;
private var _innerTime:uint;
private var _animDelay:uint;
private var _animFrames:uint;
private var _animations:Array;
private var _animStartFrame:uint;
private var _anim:Boolean;
private var _rot:Number;
public var active:Boolean = true;
public var aiFunction:Function = null;
public var isBullet:Boolean = false;
public function Entity(ls:LiteSprite = null) {
_sprite = ls;
_speedX = 0;
_speedY = 0;
_rot = 0;
_innerTime = 0;
}
public function die():void {
active = false;
sprite.visible = false;
}
public function get animations():Array {
return _animations;
}
public function set animations(ar:Array):void {
_animations = ar;
}
public function get speedX():Number {
return _speedX;
}
public function set speedX(n:Number):void {
_speedX = n;
}
public function get orSpeedX():Number {
return _orSpeedX;
}
public function set orSpeedX(n:Number):void {
_orSpeedX = n;
}
public function get speedY():Number {
return _speedY;
}
public function set speedY(n:Number):void {
_speedY = n;
}
public function get orSpeedY():Number {
return _orSpeedY;
}
public function set orSpeedY(n:Number):void {
_orSpeedY = n;
}
public function get sprite():LiteSprite {
return _sprite;
}
public function set sprite(ls:LiteSprite):void {
_sprite = ls;
}
public function get innerTime():uint {
return _innerTime;
}
public function set innerTime(n:uint):void {
_innerTime = n;
}
public function set animDelay(n:uint):void {
_animDelay = n;
}
public function get animDelay():uint {
return _animDelay;
}
public function set animStartFrame(n:uint):void {
_animStartFrame = n;
}
public function get animStartFrame():uint {
return _animStartFrame;
}
public function set animFrames(n:uint):void {
_animFrames = n;
}
public function get animFrames():uint {
return _animFrames;
}
public function set anim(n:Boolean):void {
_anim = n;
}
public function get anim():Boolean {
return _anim;
}
public function set rot(n:Number):void {
_rot = n;
}
public function get rot():Number {
return _rot;
}
}
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display3D.*;
import flash.geom.Point;
import flash.geom.Rectangle;
class EntityManager {
private const _SpritesPerRow:int = 8;
private const _SpritesPerCol:int = 8;
private var _texture:BitmapData;
private var _entityPool:Vector.<Entity>;
private var _maxX:int;
private var _minX:int;
private var _maxY:int;
private var _minY:int;
public var numCreated:int = 0;
public var spriteSheet:LiteSpriteSheet;
public var batch:LiteSpriteBatch;
public function EntityManager(r:Rectangle,t:BitmapData) {
_texture = t;
_entityPool = new Vector.<Entity>();
setPosition(r);
}
public function setPosition(r:Rectangle):void {
_maxX = r.width + 32;
_maxY = r.height;
_minX = r.x - 32;
_minY = r.y;
}
public function createBatch(context3D:Context3D):LiteSpriteBatch {
spriteSheet = new LiteSpriteSheet(_texture, _SpritesPerRow, _SpritesPerCol);
batch = new LiteSpriteBatch(context3D, spriteSheet);
return batch;
}
public function respawn(sprID:uint=0):Entity{
var currentEntityCount:int = _entityPool.length;
var a:Entity;
var i:uint = 0;
for (i = 0; i < currentEntityCount; ++i) {
a = _entityPool[i>>0];
if (!a.active && (a.sprite.spriteId == sprID)){
a.active = true;
a.sprite.visible = true;
return a;
}
}
var sprite:LiteSprite;
sprite = batch.createChild(sprID);
a = new Entity(sprite);
_entityPool.push(a);
return a;
}
public function shootBullet(owner:Entity):Entity {
var a:Entity;
a = respawn(owner.animStartFrame==0?40:41);
a.sprite.position.x = owner.sprite.position.x;
a.sprite.position.y = owner.sprite.position.y;
a.speedX = -15;
a.speedY = 0;
a.rot = 0;
a.isBullet = true;
return a;
}
public function addEntity(n:uint,x:Number=0,y:Number=0,spdX:Number=0,spdY:Number=0,rot:Number=0,anim:Boolean=false,animDelay:uint=0,animStartFrame:uint=0,animFrames:uint=0):void {
var a:Entity;
a = respawn(n);
a.sprite.position.x = x;
a.sprite.position.y = y;
a.speedX = spdX;
a.orSpeedX = spdX;
a.speedY = spdY;
a.orSpeedY = spdY;
a.rot = rot;
a.anim = anim;
a.animDelay = animDelay;
a.animFrames = animFrames;
a.animStartFrame = animStartFrame;
}
public function update():void {
var a:Entity;
var l:uint = _entityPool.length;
for(var i:uint=0; i<l ; ++i){
a = _entityPool[i>>0];
if (a.active){
if (a.anim) {
a.innerTime++;
if (a.innerTime - a.animDelay == 0) {
a.innerTime = 0;
var j:uint = a.sprite._spriteId+1;
if (a.animStartFrame != 42) {
if (j==a.animStartFrame+7 && Math.random()*10>5) {j=a.animStartFrame;}
if (j>a.animStartFrame+7) a.speedX = 0;
if (j>a.animStartFrame+a.animFrames) {shootBullet(a); j=a.animStartFrame; a.speedX = a.orSpeedX;}
}
else {
if (j>a.animStartFrame+a.animFrames) {j=a.animStartFrame;}
}
a.sprite._spriteId = j;
a.sprite.changeFrame();
}
}
a.sprite.position.x += a.speedX;
a.sprite.position.y += a.speedY;
a.sprite.rotation += a.rot;
if (a.sprite.position.x > _maxX){
a.sprite.position.x = _minX;
}
if (a.sprite.position.x < _minX){
if (a.isBullet) {
a.die();
}
else {
a.sprite.position.x = _maxX;
}
}
}
}
}
}
import flash.display.Bitmap;
import flash.display3D.*;
import flash.geom.Point;
import flash.geom.Rectangle;
class GameBackground extends EntityManager {
private const _bgSpritesPerRow:uint = 1;
private const _bgSpritesPerCol:uint = 1;
private var _texture:BitmapData;
public function GameBackground(r:Rectangle,t:BitmapData) {
_texture = t;
super(r,t);
}
override public function createBatch(context3D:Context3D):LiteSpriteBatch {
spriteSheet = new LiteSpriteSheet(_texture, _bgSpritesPerRow, _bgSpritesPerCol);
batch = new LiteSpriteBatch(context3D, spriteSheet);
return batch;
}
public function initBackground():void {
var a:Entity = respawn(0);
a = respawn(0);
a.sprite.position.x = a.sprite.position.y = 256;
}
}
import flash.geom.Point;
import flash.geom.Rectangle;
class LiteSprite {
internal var _parent:LiteSpriteBatch;
internal var _spriteId:uint;
internal var _childId:uint;
private var _pos:Point;
private var _visible:Boolean;
private var _scaleX:Number;
private var _scaleY:Number;
private var _rotation:Number;
private var _alpha:Number;
public function LiteSprite() {
_parent = null;
_spriteId = 0;
_childId = 0;
_pos = new Point();
_scaleX = 1;
_scaleY = 1;
_rotation = 0;
_alpha = 1;
_visible = true;
}
public function get visible():Boolean {
return _visible;
}
public function set visible(b:Boolean):void {
_visible = b;
}
public function get alpha():Number {
return _alpha;
}
public function set alpha(n:Number):void {
_alpha = n;
}
public function get position():Point {
return _pos;
}
public function set position(pt:Point):void {
_pos = pt;
}
public function get scaleX():Number {
return _scaleX;
}
public function set scaleX(n:Number):void {
_scaleX = n;
}
public function get scaleY():Number {
return _scaleY;
}
public function set scaleY(n:Number):void {
_scaleY = n;
}
public function get rotation():Number {
return _rotation;
}
public function set rotation(n:Number):void {
_rotation = n;
}
public function get spriteId():uint {
return _spriteId;
}
public function set spriteId(n:uint):void {
_spriteId = n;
}
public function get childId():uint {
return _childId;
}
public function get rect():Rectangle {
return _parent._sprites.getRect(_spriteId);
}
public function get uvCoords():Vector.<Number> {
return _parent._sprites.getUVCoords(_spriteId);
}
public function get parent():LiteSpriteBatch {
return _parent;
}
public function changeFrame():void {
_parent.changeFrame(_spriteId,_childId);
}
public function traceInfos():void {
trace('vertices:');
trace(_parent._verteces);
trace('indeces:');
trace(_parent._indeces);
trace('uvs:');
trace(_parent._uvs);
}
public function removeMe():void {
_parent.removeChild(this);
}
}
import com.adobe.utils.*;
import flash.display.BitmapData;
import flash.display3D.Context3D;
import flash.display3D.Context3DBlendFactor;
import flash.display3D.Context3DCompareMode;
import flash.display3D.Context3DProgramType;
import flash.display3D.Context3DTextureFormat;
import flash.display3D.Context3DVertexBufferFormat;
import flash.display3D.IndexBuffer3D;
import flash.display3D.Program3D;
import flash.display3D.VertexBuffer3D;
import flash.display3D.textures.Texture;
import flash.geom.Matrix;
import flash.geom.Matrix3D;
import flash.geom.Point;
import flash.geom.Rectangle;
class LiteSpriteBatch {
internal var _sprites:LiteSpriteSheet;
internal var _verteces:Vector.<Number>;
internal var _indeces:Vector.<uint>;
internal var _uvs:Vector.<Number>;
protected var _context3D:Context3D;
protected var _parent:LiteSpriteStage;
protected var _children:Vector.<LiteSprite>;
protected var _indexBuffer:IndexBuffer3D;
protected var _vertexBuffer:VertexBuffer3D;
protected var _uvBuffer:VertexBuffer3D;
protected var _shader:Program3D;
protected var _updateVBOs:Boolean;
public function LiteSpriteBatch(context3D:Context3D, spriteSheet:LiteSpriteSheet) {
_context3D = context3D;
_sprites = spriteSheet;
_verteces = new Vector.<Number>();
_indeces = new Vector.<uint>();
_uvs = new Vector.<Number>();
_children = new Vector.<LiteSprite>;
_updateVBOs = true;
setupShaders();
updateTexture();
}
public function get parent():LiteSpriteStage {
return _parent;
}
public function set parent(parentStage:LiteSpriteStage):void {
_parent = parentStage;
}
public function get numChildren():uint {
return _children.length;
}
public function createChild(spriteId:uint):LiteSprite {
var sprite:LiteSprite = new LiteSprite();
addChild(sprite, spriteId);
return sprite;
}
public function addChild(sprite:LiteSprite, spriteId:uint):void {
sprite._parent = this;
sprite._spriteId = spriteId;
sprite._childId = _children.length;
_children.push(sprite);
var childVertexFirstIndex:uint = (sprite._childId * 12) / 3;
_verteces.push(0,0,1,0,0,1,0,0,1,0,0,1);
_indeces.push(childVertexFirstIndex, childVertexFirstIndex+1, childVertexFirstIndex+2, childVertexFirstIndex, childVertexFirstIndex+2, childVertexFirstIndex+3);
var childUVCoords:Vector.<Number> = _sprites.getUVCoords(spriteId);
_uvs.push(childUVCoords[0], childUVCoords[1],childUVCoords[2], childUVCoords[3],childUVCoords[4], childUVCoords[5],childUVCoords[6], childUVCoords[7]);
_updateVBOs = true;
}
public function removeChild(child:LiteSprite):void {
var childId:uint = child._childId;
if (child._parent == this && childId < _children.length) {
child._parent = null;
_children.splice(childId,1);
var idx:uint;
for (idx = childId; idx < _children.length; ++idx) {
_children[idx>>0]._childId = idx;
}
var vertexIdx:uint = childId * 12;
var indexIdx:uint= childId * 6;
_verteces.splice(vertexIdx, 12);
_indeces.splice(indexIdx, 6);
_uvs.splice(vertexIdx, 8);
_updateVBOs = true;
}
}
public function changeFrame(spriteId:uint,childId:uint):void {
var vertexIdx:uint = childId<<3;
_uvs.splice(vertexIdx, 8);
var childUVCoords:Vector.<Number> = _sprites.getUVCoords(spriteId);
_uvs.splice(vertexIdx,0,childUVCoords[0], childUVCoords[1], childUVCoords[2], childUVCoords[3], childUVCoords[4], childUVCoords[5], childUVCoords[6], childUVCoords[7]);
_updateVBOs = true;
}
protected function setupShaders():void {
var vertexShaderAssembler:AGALMiniAssembler = new AGALMiniAssembler();
vertexShaderAssembler.assemble( Context3DProgramType.VERTEX,
"dp4 op.x, va0, vc0 \n"+ //transform from stream 0 to output clipspace
"dp4 op.y, va0, vc1 \n"+ //do the same for the y coordinate
"mov op.z, vc2.z \n"+ //we don't need to change the z coordinate
"mov op.w, vc3.w \n"+ //unused, but we need to output all data
"mov v0, va1.xy \n"+ //copy UV coords from stream 1 to fragment program
"mov v0.z, va0.z \n" //copy alpha from stream 0 to fragment program
);
var fragmentShaderAssembler:AGALMiniAssembler = new AGALMiniAssembler();
fragmentShaderAssembler.assemble( Context3DProgramType.FRAGMENT,
"tex ft0, v0, fs0 <2d,clamp,linear,mipnearest> \n"+ //sample the texture
"mul ft0, ft0, v0.zzzz\n" + //multiply by the alpha transparency
"mov oc, ft0 \n" //output the final pixel color
);
_shader = _context3D.createProgram();
_shader.upload( vertexShaderAssembler.agalcode, fragmentShaderAssembler.agalcode );
}
protected function updateTexture():void {
_sprites.uploadTexture(_context3D);
}
public function updateChildVertexData(sprite:LiteSprite):void {
var childVertexIdx:uint = sprite._childId * 12;
if (sprite.visible) {
var x:Number = sprite.position.x;
var y:Number = sprite.position.y;
var rect:Rectangle = sprite.rect;
var sinT:Number = Math.sin(sprite.rotation);
var cosT:Number = Math.cos(sprite.rotation);
var alpha:Number = sprite.alpha;
var scaledWidth:Number = rect.width * sprite.scaleX;
var scaledHeight:Number = rect.height * sprite.scaleY;
var centerX:Number = scaledWidth * .5;
var centerY:Number = scaledHeight * .5;
_verteces[childVertexIdx>>0] = x - (cosT * centerX) - (sinT * (scaledHeight - centerY));
_verteces[(childVertexIdx+1)>>0] = y - (sinT * centerX) + (cosT * (scaledHeight - centerY));
_verteces[(childVertexIdx+2)>>0] = alpha;
_verteces[(childVertexIdx+3)>>0] = x - (cosT * centerX) + (sinT * centerY);
_verteces[(childVertexIdx+4)>>0] = y - (sinT * centerX) - (cosT * centerY);
_verteces[(childVertexIdx+5)>>0] = alpha;
_verteces[(childVertexIdx+6)>>0] = x + (cosT * (scaledWidth - centerX)) + (sinT * centerY);
_verteces[(childVertexIdx+7)>>0] = y + (sinT * (scaledWidth - centerX)) - (cosT * centerY);
_verteces[(childVertexIdx+8)>>0] = alpha;
_verteces[(childVertexIdx+9)>>0] = x + (cosT * (scaledWidth - centerX)) - (sinT * (scaledHeight - centerY));
_verteces[(childVertexIdx+10)>>0] = y + (sinT * (scaledWidth - centerX)) + (cosT * (scaledHeight - centerY));
_verteces[(childVertexIdx+11)>>0] = alpha;
}
else {
for (var i:uint = 0; i < 12; ++i) {
_verteces[(childVertexIdx+i)>>0] = 0;
}
}
}
public function draw():void {
var n:uint = _children.length;
if (n == 0) return;
for (var i:uint = 0; i < n; ++i) {
updateChildVertexData(_children[i>>0]);
}
_context3D.setProgram(_shader);
_context3D.setBlendFactors(Context3DBlendFactor.ONE, Context3DBlendFactor.ONE_MINUS_SOURCE_ALPHA);
_context3D.setProgramConstantsFromMatrix(Context3DProgramType.VERTEX, 0, _parent.modelViewMatrix, true);
_context3D.setTextureAt(0, _sprites._texture);
if (_updateVBOs) {
_vertexBuffer = _context3D.createVertexBuffer(_verteces.length/3, 3);
_indexBuffer = _context3D.createIndexBuffer(_indeces.length);
_uvBuffer = _context3D.createVertexBuffer(_uvs.length>>1, 2);
_indexBuffer.uploadFromVector(_indeces, 0, _indeces.length);
_uvBuffer.uploadFromVector(_uvs, 0, _uvs.length>>1);
_updateVBOs = false;
}
_vertexBuffer.uploadFromVector(_verteces, 0, _verteces.length / 3);
_context3D.setVertexBufferAt(0, _vertexBuffer, 0, Context3DVertexBufferFormat.FLOAT_3);
_context3D.setVertexBufferAt(1, _uvBuffer, 0, Context3DVertexBufferFormat.FLOAT_2);
_context3D.drawTriangles(_indexBuffer, 0, n<<1);
}
}
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Stage;
import flash.display3D.Context3D;
import flash.display3D.Context3DTextureFormat;
import flash.display3D.IndexBuffer3D;
import flash.display3D.textures.Texture;
import flash.geom.Point;
import flash.geom.Rectangle;
import flash.geom.Matrix;
class LiteSpriteSheet {
internal var _texture : Texture;
protected var _spriteSheet : BitmapData;
protected var _uvCoords : Vector.<Number>;
protected var _rects : Vector.<Rectangle>;
public function LiteSpriteSheet(SpriteSheetBitmapData:BitmapData, numSpritesW:int=8, numSpritesH:int=8) {
_uvCoords = new Vector.<Number>();
_rects = new Vector.<Rectangle>();
_spriteSheet = SpriteSheetBitmapData;
createUVs(numSpritesW, numSpritesH);
}
public function createUVs(numSpritesW:uint, numSpritesH:uint):void {
var destRect:Rectangle;
for (var y:uint = 0; y<numSpritesH; ++y){
for (var x:uint = 0; x<numSpritesW; ++x){
_uvCoords.push(
x / numSpritesW, (y+1) / numSpritesH,
x / numSpritesW, y / numSpritesH,
(x+1) / numSpritesW, y / numSpritesH,
(x + 1) / numSpritesW, (y + 1) / numSpritesH);
destRect = new Rectangle();
destRect.left = 0;
destRect.top = 0;
destRect.right = _spriteSheet.width / numSpritesW;
destRect.bottom = _spriteSheet.height / numSpritesH;
_rects.push(destRect);
}
}
}
public function removeSprite(spriteId:uint):void {
if (spriteId < _uvCoords.length) {
_uvCoords = _uvCoords.splice(spriteId<<3, 8);
_rects.splice(spriteId, 1);
}
}
public function get numSprites():uint {
return _rects.length;
}
public function getRect(spriteId:uint):Rectangle {
return _rects[spriteId];
}
public function getUVCoords(spriteId:uint):Vector.<Number>{
var startIdx:uint = spriteId<<3;
return _uvCoords.slice(startIdx, startIdx+8);
}
public function uploadTexture(context3D:Context3D):void {
if (_texture == null) {
_texture = context3D.createTexture(_spriteSheet.width, _spriteSheet.height, Context3DTextureFormat.BGRA, false);
}
_texture.uploadFromBitmapData(_spriteSheet);
var currentWidth:int = _spriteSheet.width >> 1;
var currentHeight:int = _spriteSheet.height >> 1;
var canvas:BitmapData = new BitmapData(currentWidth, currentHeight, true, 0);
var transform:Matrix = new Matrix(.5, 0, 0, .5);
var level:uint = 1;
while (currentWidth >= 1 || currentHeight >= 1) {
canvas.fillRect(new Rectangle(0, 0, Math.max(currentWidth,1), Math.max(currentHeight,1)), 0);
canvas.draw(_spriteSheet, transform, null, null, null, true);
_texture.uploadFromBitmapData(canvas, level++);
transform.scale(.5, .5);
currentWidth = currentWidth >> 1;
currentHeight = currentHeight >> 1;
}
}
}
import flash.display.Stage3D;
import flash.display3D.Context3D;
import flash.geom.Matrix3D;
import flash.geom.Rectangle;
class LiteSpriteStage {
protected var _stage3D:Stage3D;
protected var _context3D:Context3D;
protected var _rect:Rectangle;
protected var _batches:Vector.<LiteSpriteBatch>;
protected var _modelViewMatrix:Matrix3D;
public function LiteSpriteStage(stage3D:Stage3D, context3D:Context3D, r:Rectangle) {
_stage3D = stage3D;
_context3D = context3D;
_batches = new Vector.<LiteSpriteBatch>;
this.position = r;
}
public function get position():Rectangle {
return _rect;
}
public function set position(r:Rectangle):void {
_rect = r;
_stage3D.x = r.x;
_stage3D.y = r.y;
configureBackBuffer(r.width, r.height);
_modelViewMatrix = new Matrix3D();
_modelViewMatrix.appendTranslation(-r.width/2, -r.height/2, 0);
_modelViewMatrix.appendScale(2.0/r.width, -2.0/r.height, 1);
}
internal function get modelViewMatrix():Matrix3D {
return _modelViewMatrix;
}
public function configureBackBuffer(w:uint, h:uint):void {
_context3D.configureBackBuffer(w, h, 0, false);
}
public function addBatch(b:LiteSpriteBatch):void {
b.parent = this;
_batches.push(b);
}
public function removeBatch(batch:LiteSpriteBatch):void {
for (var i:uint = 0; i < _batches.length; ++i) {
if (_batches[i>>0] == batch) {
batch.parent = null;
_batches.splice(i, 1);
}
}
}
public function render():void {
for (var i:uint = 0; i < _batches.length; ++i) {
_batches[i>>0].draw();
}
}
}
import flash.utils.ByteArray;
class Base64 {
private static const _decodeChars:Vector.<int> = InitDecodeChar();
public static function decode(str:String):ByteArray {
var c1:int;
var c2:int;
var c3:int;
var c4:int;
var i:int;
var len:int;
var out:ByteArray;
len = str.length;
i = 0;
out = new ByteArray();
var byteString:ByteArray = new ByteArray();
byteString.writeUTFBytes(str);
while (i<len) {
do {
c1 = _decodeChars[byteString[i++]];
} while (i < len && c1 == -1);
if (c1 == -1) break;
do {
c2 = _decodeChars[byteString[i++]];
} while (i < len && c2 == -1);
if (c2 == -1) break;
out.writeByte((c1 << 2) | ((c2 & 0x30) >> 4));
do {
c3 = byteString[i++];
if (c3 == 61) return out;
c3 = _decodeChars[c3];
} while (i < len && c3 == -1);
if (c3 == -1) break;
out.writeByte(((c2 & 0x0f) << 4) | ((c3 & 0x3c) >> 2));
do {
c4 = byteString[i++];
if (c4 == 61) return out;
c4 = _decodeChars[c4];
} while (i < len && c4 == -1);
if (c4 == -1) break;
out.writeByte(((c3 & 0x03) << 6) | c4);
}
return out;
}
public static function InitDecodeChar():Vector.<int> {
var decodeChars:Vector.<int> = new Vector.<int>();
decodeChars.push(-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
-1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
return decodeChars;
}
}