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276 lines
10 KiB
CoffeeScript
276 lines
10 KiB
CoffeeScript
SpriteBuilder = require 'lib/sprites/SpriteBuilder'
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# Put this on MovieClips
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specialGoToAndStop = (frame) ->
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if frame is @currentFrame and @childrenCopy
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@addChild(@childrenCopy...)
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else
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@gotoAndStop(frame)
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@childrenCopy = @children.slice(0)
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module.exports = class SegmentedSprite extends createjs.SpriteContainer
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childMovieClips: null
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constructor: (@spriteSheet, @thangType, @spriteSheetPrefix, @resolutionFactor=SPRITE_RESOLUTION_FACTOR) ->
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@spriteSheet.mcPool ?= {}
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super(@spriteSheet)
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@addEventListener 'tick', @handleTick
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destroy: ->
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@handleTick = undefined
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@baseMovieClip.inUse = false if @baseMovieClip
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@removeAllEventListeners()
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# CreateJS.Sprite-like interface
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play: -> @paused = false unless @baseMovieClip and @animLength > 1
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stop: -> @paused = true
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gotoAndPlay: (actionName) -> @goto(actionName, false)
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gotoAndStop: (actionName) -> @goto(actionName, true)
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goto: (actionName, @paused=true) ->
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@removeAllChildren()
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@currentAnimation = actionName
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@baseMovieClip.inUse = false if @baseMovieClip
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if @childMovieClips
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mc.inUse = false for mc in @childMovieClips
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@childMovieClips = @baseMovieClip = @framerate = @animLength = null
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@actionNotSupported = false
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action = @thangType.getActions()[actionName]
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randomStart = _.string.startsWith(actionName, 'move')
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# because the resulting segmented image is set to the size of the movie clip, you can use
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# the raw registration data without scaling it.
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reg = action.positions?.registration or @thangType.get('positions')?.registration or {x:0, y:0}
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if action.animation
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@regX = -reg.x
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@regY = -reg.y
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@framerate = (action.framerate ? 20) * (action.speed ? 1)
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@childMovieClips = []
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@baseMovieClip = @buildMovieClip(action.animation)
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@baseMovieClip.inUse = true
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@frames = action.frames
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@frames = (parseInt(f) for f in @frames.split(',')) if @frames
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@animLength = if @frames then @frames.length else @baseMovieClip.timeline.duration
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@paused = true if @animLength is 1
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if @frames
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if randomStart
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@currentFrame = @frames[_.random(@frames.length - 1)]
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else
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@currentFrame = @frames[0]
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else
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if randomStart
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@currentFrame = then Math.floor(Math.random() * @animLength)
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else
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@currentFrame = 0
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@baseMovieClip.specialGoToAndStop(@currentFrame)
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for movieClip in @childMovieClips
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if movieClip.mode is 'single'
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movieClip.specialGoToAndStop(movieClip.startPosition)
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else
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movieClip.specialGoToAndStop(@currentFrame)
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@takeChildrenFromMovieClip(@baseMovieClip, @)
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@loop = action.loops isnt false
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@goesTo = action.goesTo
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@notifyActionNeedsRender(action) if @actionNotSupported
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@scaleX = @scaleY = action.scale ? @thangType.get('scale') ? 1
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else if action.container
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# All transformations will be done to the child sprite
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@regX = @regY = 0
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@scaleX = @scaleY = 1
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@childMovieClips = []
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containerName = @spriteSheetPrefix + action.container
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sprite = new createjs.Sprite(@spriteSheet)
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sprite.gotoAndStop(containerName)
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if sprite.currentFrame is 0 or @usePlaceholders
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sprite.gotoAndStop(0)
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@notifyActionNeedsRender(action)
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bounds = @thangType.get('raw').containers[action.container].b
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actionScale = (action.scale ? @thangType.get('scale') ? 1)
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sprite.scaleX = actionScale * bounds[2] / (SPRITE_PLACEHOLDER_WIDTH * @resolutionFactor)
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sprite.scaleY = actionScale * bounds[3] / (SPRITE_PLACEHOLDER_WIDTH * @resolutionFactor)
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sprite.regX = (SPRITE_PLACEHOLDER_WIDTH * @resolutionFactor) * ((-reg.x - bounds[0]) / bounds[2])
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sprite.regY = (SPRITE_PLACEHOLDER_WIDTH * @resolutionFactor) * ((-reg.y - bounds[1]) / bounds[3])
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else
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scale = @resolutionFactor * (action.scale ? @thangType.get('scale') ? 1)
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sprite.regX = -reg.x * scale
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sprite.regY = -reg.y * scale
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sprite.scaleX = sprite.scaleY = 1 / @resolutionFactor
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@children = []
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@addChild(sprite)
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else if action.goesTo
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@goto(action.goesTo, @paused)
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return
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@scaleX *= -1 if action.flipX
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@scaleY *= -1 if action.flipY
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@baseScaleX = @scaleX
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@baseScaleY = @scaleY
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return
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notifyActionNeedsRender: (action) ->
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@lank?.trigger('action-needs-render', @lank, action)
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buildMovieClip: (animationName, mode, startPosition, loops) ->
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key = JSON.stringify([@spriteSheetPrefix].concat(arguments))
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@spriteSheet.mcPool[key] ?= []
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for mc in @spriteSheet.mcPool[key]
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if not mc.inUse
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mc.gotoAndStop(mc.currentFrame+0.01) # just to make sure it has its children back
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@childMovieClips = mc.childMovieClips
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return mc
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raw = @thangType.get('raw')
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animData = raw.animations[animationName]
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@lastAnimData = animData
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locals = {}
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_.extend locals, @buildMovieClipContainers(animData.containers)
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_.extend locals, @buildMovieClipAnimations(animData.animations)
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toSkip = {}
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toSkip[shape.bn] = true for shape in animData.shapes
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toSkip[graphic.bn] = true for graphic in animData.graphics
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anim = new createjs.MovieClip()
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anim.initialize(mode ? createjs.MovieClip.INDEPENDENT, startPosition ? 0, loops ? true)
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anim.specialGoToAndStop = specialGoToAndStop
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for tweenData, i in animData.tweens
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stopped = false
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tween = createjs.Tween
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for func in tweenData
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args = $.extend(true, [], (func.a))
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if @dereferenceArgs(args, locals, toSkip) is false
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# console.debug 'Did not dereference args:', args
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stopped = true
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break
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tween = tween[func.n](args...)
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continue if stopped
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anim.timeline.addTween(tween)
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anim.nominalBounds = new createjs.Rectangle(animData.bounds...)
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if animData.frameBounds
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anim.frameBounds = (new createjs.Rectangle(bounds...) for bounds in animData.frameBounds)
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anim.childMovieClips = @childMovieClips
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@spriteSheet.mcPool[key].push(anim)
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return anim
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buildMovieClipContainers: (localContainers) ->
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map = {}
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for localContainer in localContainers
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outerContainer = new createjs.SpriteContainer(@spriteSheet)
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innerContainer = new createjs.Sprite(@spriteSheet)
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innerContainer.gotoAndStop(@spriteSheetPrefix + localContainer.gn)
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if innerContainer.currentFrame is 0 or @usePlaceholders
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innerContainer.gotoAndStop(0)
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@actionNotSupported = true
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bounds = @thangType.get('raw').containers[localContainer.gn].b
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innerContainer.x = bounds[0]
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innerContainer.y = bounds[1]
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innerContainer.scaleX = bounds[2] / (SPRITE_PLACEHOLDER_WIDTH * @resolutionFactor)
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innerContainer.scaleY = bounds[3] / (SPRITE_PLACEHOLDER_WIDTH * @resolutionFactor)
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else
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innerContainer.scaleX = innerContainer.scaleY = 1 / (@resolutionFactor * (@thangType.get('scale') or 1))
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outerContainer.addChild(innerContainer)
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outerContainer.setTransform(localContainer.t...)
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outerContainer._off = localContainer.o if localContainer.o?
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outerContainer.alpha = localContainer.al if localContainer.al?
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map[localContainer.bn] = outerContainer
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return map
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buildMovieClipAnimations: (localAnimations) ->
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map = {}
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for localAnimation in localAnimations
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animation = @buildMovieClip(localAnimation.gn, localAnimation.a...)
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animation.inUse = true
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animation.setTransform(localAnimation.t...)
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map[localAnimation.bn] = animation
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@childMovieClips.push(animation)
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return map
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dereferenceArgs: (args, locals, toSkip) ->
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for key, val of args
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if locals[val]
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args[key] = locals[val]
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else if val is null
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args[key] = {}
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else if _.isString(val) and val.indexOf('createjs.') is 0
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args[key] = eval(val) # TODO: Security risk
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else if _.isObject(val) or _.isArray(val)
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res = @dereferenceArgs(val, locals, toSkip)
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return res if res is false
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else if _.isString(val) and toSkip[val]
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return false
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return args
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handleTick: (e) =>
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if @lastTimeStamp
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@tick(e.timeStamp - @lastTimeStamp)
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@lastTimeStamp = e.timeStamp
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tick: (delta) ->
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return if @paused or not @baseMovieClip
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return @paused = true if @animLength is 1
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newFrame = @currentFrame + @framerate * delta / 1000
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if newFrame > @animLength
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if @goesTo
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@gotoAndPlay(@goesTo)
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return
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else if not @loop
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@paused = true
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newFrame = @animLength - 1
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_.defer => @dispatchEvent('animationend')
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else
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newFrame = newFrame % @animLength
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translatedFrame = newFrame
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if @frames
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prevFrame = Math.floor(newFrame)
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nextFrame = Math.ceil(newFrame)
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if prevFrame is nextFrame
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translatedFrame = @frames[newFrame]
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else if nextFrame is @frames.length
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translatedFrame = @frames[prevFrame]
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else
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# interpolate between frames
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pct = newFrame % 1
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newFrameIndex = @frames[prevFrame] + (pct * (@frames[nextFrame] - @frames[prevFrame]))
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translatedFrame = newFrameIndex
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@currentFrame = newFrame
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return if translatedFrame is @baseMovieClip.currentFrame
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@baseMovieClip.specialGoToAndStop(translatedFrame)
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for movieClip in @childMovieClips
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movieClip.specialGoToAndStop(if movieClip.mode is 'single' then movieClip.startPosition else newFrame)
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@children = []
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@takeChildrenFromMovieClip(@baseMovieClip, @)
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takeChildrenFromMovieClip: (movieClip, recipientContainer) ->
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for child in movieClip.childrenCopy
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if child instanceof createjs.MovieClip
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childRecipient = new createjs.SpriteContainer(@spriteSheet)
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@takeChildrenFromMovieClip(child, childRecipient)
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for prop in ['regX', 'regY', 'rotation', 'scaleX', 'scaleY', 'skewX', 'skewY', 'x', 'y']
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childRecipient[prop] = child[prop]
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recipientContainer.addChild(childRecipient)
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else
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recipientContainer.addChild(child)
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# _getBounds: createjs.SpriteContainer.prototype.getBounds
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# getBounds: -> @baseMovieClip?.getBounds() or @children[0]?.getBounds() or @_getBounds()
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