/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2013 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* The Animation Manager is used to add, play and update Phaser Animations.
* Any Game Object such as Phaser.Sprite that supports animation contains a single AnimationManager instance.
*
* @class Phaser.AnimationManager
* @constructor
* @param {Phaser.Sprite} sprite - A reference to the Game Object that owns this AnimationManager.
*/
Phaser.AnimationManager = function (sprite) {
/**
* @property {Phaser.Sprite} sprite - A reference to the parent Sprite that owns this AnimationManager.
*/
this.sprite = sprite;
/**
* @property {Phaser.Game} game - A reference to the currently running Game.
*/
this.game = sprite.game;
/**
* @property {Phaser.Frame} currentFrame - The currently displayed Frame of animation, if any.
* @default
*/
this.currentFrame = null;
/**
* @property {boolean} updateIfVisible - Should the animation data continue to update even if the Sprite.visible is set to false.
* @default
*/
this.updateIfVisible = true;
/**
* @property {Phaser.FrameData} _frameData - A temp. var for holding the currently playing Animations FrameData.
* @private
* @default
*/
this._frameData = null;
/**
* @property {object} _anims - An internal object that stores all of the Animation instances.
* @private
*/
this._anims = {};
/**
* @property {object} _outputFrames - An internal object to help avoid gc.
* @private
*/
this._outputFrames = [];
};
Phaser.AnimationManager.prototype = {
/**
* Loads FrameData into the internal temporary vars and resets the frame index to zero.
* This is called automatically when a new Sprite is created.
*
* @method Phaser.AnimationManager#loadFrameData
* @private
* @param {Phaser.FrameData} frameData - The FrameData set to load.
*/
loadFrameData: function (frameData) {
this._frameData = frameData;
this.frame = 0;
},
/**
* Adds a new animation under the given key. Optionally set the frames, frame rate and loop.
* Animations added in this way are played back with the play function.
*
* @method Phaser.AnimationManager#add
* @param {string} name - The unique (within this Sprite) name for the animation, i.e. "run", "fire", "walk".
* @param {Array} [frames=null] - An array of numbers/strings that correspond to the frames to add to this animation and in which order. e.g. [1, 2, 3] or ['run0', 'run1', run2]). If null then all frames will be used.
* @param {number} [frameRate=60] - The speed at which the animation should play. The speed is given in frames per second.
* @param {boolean} [loop=false] - Whether or not the animation is looped or just plays once.
* @param {boolean} [useNumericIndex=true] - Are the given frames using numeric indexes (default) or strings?
* @return {Phaser.Animation} The Animation object that was created.
*/
add: function (name, frames, frameRate, loop, useNumericIndex) {
if (this._frameData == null)
{
console.warn('No FrameData available for Phaser.Animation ' + name);
return;
}
frameRate = frameRate || 60;
if (typeof loop === 'undefined') { loop = false; }
if (typeof useNumericIndex === 'undefined') { useNumericIndex = true; }
// Create the signals the AnimationManager will emit
if (this.sprite.events.onAnimationStart == null)
{
this.sprite.events.onAnimationStart = new Phaser.Signal();
this.sprite.events.onAnimationComplete = new Phaser.Signal();
this.sprite.events.onAnimationLoop = new Phaser.Signal();
}
this._outputFrames.length = 0;
this._frameData.getFrameIndexes(frames, useNumericIndex, this._outputFrames);
this._anims[name] = new Phaser.Animation(this.game, this.sprite, name, this._frameData, this._outputFrames, frameRate, loop);
this.currentAnim = this._anims[name];
this.currentFrame = this.currentAnim.currentFrame;
this.sprite.setTexture(PIXI.TextureCache[this.currentFrame.uuid]);
return this._anims[name];
},
/**
* Check whether the frames in the given array are valid and exist.
*
* @method Phaser.AnimationManager#validateFrames
* @param {Array} frames - An array of frames to be validated.
* @param {boolean} [useNumericIndex=true] - Validate the frames based on their numeric index (true) or string index (false)
* @return {boolean} True if all given Frames are valid, otherwise false.
*/
validateFrames: function (frames, useNumericIndex) {
if (typeof useNumericIndex == 'undefined') { useNumericIndex = true; }
for (var i = 0; i < frames.length; i++)
{
if (useNumericIndex == true)
{
if (frames[i] > this._frameData.total)
{
return false;
}
}
else
{
if (this._frameData.checkFrameName(frames[i]) == false)
{
return false;
}
}
}
return true;
},
/**
* Play an animation based on the given key. The animation should previously have been added via sprite.animations.add()
* If the requested animation is already playing this request will be ignored. If you need to reset an already running animation do so directly on the Animation object itself.
*
* @method Phaser.AnimationManager#play
* @param {string} name - The name of the animation to be played, e.g. "fire", "walk", "jump".
* @param {number} [frameRate=null] - The framerate to play the animation at. The speed is given in frames per second. If not provided the previously set frameRate of the Animation is used.
* @param {boolean} [loop=null] - Should the animation be looped after playback. If not provided the previously set loop value of the Animation is used.
* @return {Phaser.Animation} A reference to playing Animation instance.
*/
play: function (name, frameRate, loop) {
if (this._anims[name])
{
if (this.currentAnim == this._anims[name])
{
if (this.currentAnim.isPlaying == false)
{
return this.currentAnim.play(frameRate, loop);
}
}
else
{
this.currentAnim = this._anims[name];
return this.currentAnim.play(frameRate, loop);
}
}
},
/**
* Stop playback of an animation. If a name is given that specific animation is stopped, otherwise the current animation is stopped.
* The currentAnim property of the AnimationManager is automatically set to the animation given.
*
* @method Phaser.AnimationManager#stop
* @param {string} [name=null] - The name of the animation to be stopped, e.g. "fire". If none is given the currently running animation is stopped.
* @param {boolean} [resetFrame=false] - When the animation is stopped should the currentFrame be set to the first frame of the animation (true) or paused on the last frame displayed (false)
*/
stop: function (name, resetFrame) {
if (typeof resetFrame == 'undefined') { resetFrame = false; }
if (typeof name == 'string')
{
if (this._anims[name])
{
this.currentAnim = this._anims[name];
this.currentAnim.stop(resetFrame);
}
}
else
{
if (this.currentAnim)
{
this.currentAnim.stop(resetFrame);
}
}
},
/**
* The main update function is called by the Sprites update loop. It's responsible for updating animation frames and firing related events.
*
* @method Phaser.AnimationManager#update
* @protected
* @return {boolean} True if a new animation frame has been set, otherwise false.
*/
update: function () {
if (this.updateIfVisible && this.sprite.visible == false)
{
return false;
}
if (this.currentAnim && this.currentAnim.update() == true)
{
this.currentFrame = this.currentAnim.currentFrame;
this.sprite.currentFrame = this.currentFrame;
return true;
}
return false;
},
/**
* Destroys all references this AnimationManager contains. Sets the _anims to a new object and nulls the current animation.
*
* @method Phaser.AnimationManager#destroy
*/
destroy: function () {
this._anims = {};
this._frameData = null;
this._frameIndex = 0;
this.currentAnim = null;
this.currentFrame = null;
}
};
/**
* @name Phaser.AnimationManager#frameData
* @property {Phaser.FrameData} frameData - The current animations FrameData.
* @readonly
*/
Object.defineProperty(Phaser.AnimationManager.prototype, "frameData", {
get: function () {
return this._frameData;
}
});
/**
* @name Phaser.AnimationManager#frameTotal
* @property {number} frameTotal - The total number of frames in the currently loaded FrameData, or -1 if no FrameData is loaded.
* @readonly
*/
Object.defineProperty(Phaser.AnimationManager.prototype, "frameTotal", {
get: function () {
if (this._frameData)
{
return this._frameData.total;
}
else
{
return -1;
}
}
});
/**
* @name Phaser.AnimationManager#paused
* @property {boolean} paused - Gets and sets the paused state of the current animation.
*/
Object.defineProperty(Phaser.AnimationManager.prototype, "paused", {
get: function () {
return this.currentAnim.isPaused;
},
set: function (value) {
this.currentAnim.paused = value;
}
});
/**
* @name Phaser.AnimationManager#frame
* @property {number} frame - Gets or sets the current frame index and updates the Texture Cache for display.
*/
Object.defineProperty(Phaser.AnimationManager.prototype, "frame", {
get: function () {
if (this.currentFrame)
{
return this._frameIndex;
}
},
set: function (value) {
if (this._frameData && this._frameData.getFrame(value) !== null)
{
this.currentFrame = this._frameData.getFrame(value);
this._frameIndex = value;
this.sprite.currentFrame = this.currentFrame;
this.sprite.setTexture(PIXI.TextureCache[this.currentFrame.uuid]);
}
}
});
/**
* @name Phaser.AnimationManager#frameName
* @property {string} frameName - Gets or sets the current frame name and updates the Texture Cache for display.
*/
Object.defineProperty(Phaser.AnimationManager.prototype, "frameName", {
get: function () {
if (this.currentFrame)
{
return this.currentFrame.name;
}
},
set: function (value) {
if (this._frameData && this._frameData.getFrameByName(value) !== null)
{
this.currentFrame = this._frameData.getFrameByName(value);
this._frameIndex = this.currentFrame.index;
this.sprite.currentFrame = this.currentFrame;
this.sprite.setTexture(PIXI.TextureCache[this.currentFrame.uuid]);
}
else
{
console.warn("Cannot set frameName: " + value);
}
}
});