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< h1 class = "page-title" > Source: animation/AnimationParser.js< / h1 >
< section >
< article >
< pre class = "sunlight-highlight-javascript linenums" > /**
* @author Richard Davey < rich@photonstorm.com>
* @copyright 2013 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Responsible for parsing sprite sheet and JSON data into the internal FrameData format that Phaser uses for animations.
*
* @class Phaser.AnimationParser
*/
Phaser.AnimationParser = {
/**
* Parse a Sprite Sheet and extract the animation frame data from it.
*
* @method Phaser.AnimationParser.spriteSheet
* @param {Phaser.Game} game - A reference to the currently running game.
* @param {string} key - The Game.Cache asset key of the Sprite Sheet image.
* @param {number} frameWidth - The fixed width of each frame of the animation.
* @param {number} frameHeight - The fixed height of each frame of the animation.
* @param {number} [frameMax=-1] - The total number of animation frames to extact from the Sprite Sheet. The default value of -1 means "extract all frames".
* @return {Phaser.FrameData} A FrameData object containing the parsed frames.
*/
spriteSheet: function (game, key, frameWidth, frameHeight, frameMax) {
// How big is our image?
var img = game.cache.getImage(key);
if (img == null)
{
return null;
}
var width = img.width;
var height = img.height;
if (frameWidth < = 0)
{
frameWidth = Math.floor(-width / Math.min(-1, frameWidth));
}
if (frameHeight < = 0)
{
frameHeight = Math.floor(-height / Math.min(-1, frameHeight));
}
var row = Math.round(width / frameWidth);
var column = Math.round(height / frameHeight);
var total = row * column;
if (frameMax !== -1)
{
total = frameMax;
}
// Zero or smaller than frame sizes?
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if (width === 0 || height === 0 || width < frameWidth || height < frameHeight || total === 0)
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{
console.warn("Phaser.AnimationParser.spriteSheet: width/height zero or width/height < given frameWidth/frameHeight");
return null;
}
// Let's create some frames then
var data = new Phaser.FrameData();
var x = 0;
var y = 0;
for (var i = 0; i < total; i++)
{
var uuid = game.rnd.uuid();
data.addFrame(new Phaser.Frame(i, x, y, frameWidth, frameHeight, '', uuid));
PIXI.TextureCache[uuid] = new PIXI.Texture(PIXI.BaseTextureCache[key], {
x: x,
y: y,
width: frameWidth,
height: frameHeight
});
x += frameWidth;
if (x === width)
{
x = 0;
y += frameHeight;
}
}
return data;
},
/**
* Parse the JSON data and extract the animation frame data from it.
*
* @method Phaser.AnimationParser.JSONData
* @param {Phaser.Game} game - A reference to the currently running game.
* @param {Object} json - The JSON data from the Texture Atlas. Must be in Array format.
* @param {string} cacheKey - The Game.Cache asset key of the texture image.
* @return {Phaser.FrameData} A FrameData object containing the parsed frames.
*/
JSONData: function (game, json, cacheKey) {
// Malformed?
if (!json['frames'])
{
console.warn("Phaser.AnimationParser.JSONData: Invalid Texture Atlas JSON given, missing 'frames' array");
console.log(json);
return;
}
// Let's create some frames then
var data = new Phaser.FrameData();
// By this stage frames is a fully parsed array
var frames = json['frames'];
var newFrame;
for (var i = 0; i < frames.length; i++)
{
var uuid = game.rnd.uuid();
newFrame = data.addFrame(new Phaser.Frame(
i,
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frames[i].frame.x,
frames[i].frame.y,
frames[i].frame.w,
frames[i].frame.h,
frames[i].filename,
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uuid
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));
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PIXI.TextureCache[uuid] = new PIXI.Texture(PIXI.BaseTextureCache[cacheKey], {
x: frames[i].frame.x,
y: frames[i].frame.y,
width: frames[i].frame.w,
height: frames[i].frame.h
});
if (frames[i].trimmed)
{
newFrame.setTrim(
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frames[i].trimmed,
frames[i].sourceSize.w,
frames[i].sourceSize.h,
frames[i].spriteSourceSize.x,
frames[i].spriteSourceSize.y,
frames[i].spriteSourceSize.w,
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frames[i].spriteSourceSize.h
);
// We had to hack Pixi to get this to work :(
PIXI.TextureCache[uuid].trimmed = true;
PIXI.TextureCache[uuid].trim.x = frames[i].spriteSourceSize.x;
PIXI.TextureCache[uuid].trim.y = frames[i].spriteSourceSize.y;
}
}
return data;
},
/**
* Parse the JSON data and extract the animation frame data from it.
*
* @method Phaser.AnimationParser.JSONDataHash
* @param {Phaser.Game} game - A reference to the currently running game.
* @param {Object} json - The JSON data from the Texture Atlas. Must be in JSON Hash format.
* @param {string} cacheKey - The Game.Cache asset key of the texture image.
* @return {Phaser.FrameData} A FrameData object containing the parsed frames.
*/
JSONDataHash: function (game, json, cacheKey) {
// Malformed?
if (!json['frames'])
{
console.warn("Phaser.AnimationParser.JSONDataHash: Invalid Texture Atlas JSON given, missing 'frames' object");
console.log(json);
return;
}
// Let's create some frames then
var data = new Phaser.FrameData();
// By this stage frames is a fully parsed array
var frames = json['frames'];
var newFrame;
var i = 0;
for (var key in frames)
{
var uuid = game.rnd.uuid();
newFrame = data.addFrame(new Phaser.Frame(
i,
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frames[key].frame.x,
frames[key].frame.y,
frames[key].frame.w,
frames[key].frame.h,
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key,
uuid
));
PIXI.TextureCache[uuid] = new PIXI.Texture(PIXI.BaseTextureCache[cacheKey], {
x: frames[key].frame.x,
y: frames[key].frame.y,
width: frames[key].frame.w,
height: frames[key].frame.h
});
if (frames[key].trimmed)
{
newFrame.setTrim(
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frames[key].trimmed,
frames[key].sourceSize.w,
frames[key].sourceSize.h,
frames[key].spriteSourceSize.x,
frames[key].spriteSourceSize.y,
frames[key].spriteSourceSize.w,
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frames[key].spriteSourceSize.h
);
// We had to hack Pixi to get this to work :(
PIXI.TextureCache[uuid].trimmed = true;
PIXI.TextureCache[uuid].trim.x = frames[key].spriteSourceSize.x;
PIXI.TextureCache[uuid].trim.y = frames[key].spriteSourceSize.y;
}
i++;
}
return data;
},
/**
* Parse the XML data and extract the animation frame data from it.
*
* @method Phaser.AnimationParser.XMLData
* @param {Phaser.Game} game - A reference to the currently running game.
* @param {Object} xml - The XML data from the Texture Atlas. Must be in Starling XML format.
* @param {string} cacheKey - The Game.Cache asset key of the texture image.
* @return {Phaser.FrameData} A FrameData object containing the parsed frames.
*/
XMLData: function (game, xml, cacheKey) {
// Malformed?
if (!xml.getElementsByTagName('TextureAtlas'))
{
console.warn("Phaser.AnimationParser.XMLData: Invalid Texture Atlas XML given, missing < TextureAtlas> tag");
return;
}
// Let's create some frames then
var data = new Phaser.FrameData();
var frames = xml.getElementsByTagName('SubTexture');
var newFrame;
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var uuid;
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var name;
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var frame;
var x;
var y;
var width;
var height;
var frameX;
var frameY;
var frameWidth;
var frameHeight;
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for (var i = 0; i < frames.length; i++)
{
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uuid = game.rnd.uuid();
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frame = frames[i].attributes;
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name = frame.name.nodeValue;
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x = parseInt(frame.x.nodeValue, 10);
y = parseInt(frame.y.nodeValue, 10);
width = parseInt(frame.width.nodeValue, 10);
height = parseInt(frame.height.nodeValue, 10);
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frameX = null;
frameY = null;
if (frame.frameX)
{
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frameX = Math.abs(parseInt(frame.frameX.nodeValue, 10));
frameY = Math.abs(parseInt(frame.frameY.nodeValue, 10));
frameWidth = parseInt(frame.frameWidth.nodeValue, 10);
frameHeight = parseInt(frame.frameHeight.nodeValue, 10);
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}
newFrame = data.addFrame(new Phaser.Frame(i, x, y, width, height, name, uuid));
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PIXI.TextureCache[uuid] = new PIXI.Texture(PIXI.BaseTextureCache[cacheKey], {
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x: x,
y: y,
width: width,
height: height
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});
// Trimmed?
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if (frameX !== null || frameY !== null)
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{
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newFrame.setTrim(true, width, height, frameX, frameY, frameWidth, frameHeight);
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PIXI.TextureCache[uuid].realSize = { x: frameX, y: frameY, w: frameWidth, h: frameHeight };
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// We had to hack Pixi to get this to work :(
PIXI.TextureCache[uuid].trimmed = true;
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PIXI.TextureCache[uuid].trim.x = frameX;
PIXI.TextureCache[uuid].trim.y = frameY;
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}
}
return data;
}
};
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Phaser Copyright © 2012-2013 Photon Storm Ltd.
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