{hexToHSL, hslToHex} = require 'lib/utils' module.exports = class SpriteBuilder constructor: (@thangType, @options) -> @options ?= {} raw = @thangType.get('raw') @shapeStore = raw.shapes @containerStore = raw.containers @animationStore = raw.animations @buildColorMaps() setOptions: (@options) -> buildMovieClip: (animationName, mode, startPosition, loops, labels) -> animData = @animationStore[animationName] unless animData console.error 'couldn\'t find animData from', @animationStore, 'for', animationName return null locals = {} _.extend locals, @buildMovieClipShapes(animData.shapes) _.extend locals, @buildMovieClipContainers(animData.containers) _.extend locals, @buildMovieClipAnimations(animData.animations) _.extend locals, @buildMovieClipGraphics(animData.graphics) anim = new createjs.MovieClip() if not labels labels = {} labels[animationName] = 0 anim.initialize(mode ? createjs.MovieClip.INDEPENDENT, startPosition ? 0, loops ? true, labels) for tweenData in animData.tweens tween = createjs.Tween for func in tweenData args = _.cloneDeep(func.a) @dereferenceArgs(args, locals) tween = tween[func.n](args...) anim.timeline.addTween(tween) anim.nominalBounds = new createjs.Rectangle(animData.bounds...) if animData.frameBounds anim.frameBounds = (new createjs.Rectangle(bounds...) for bounds in animData.frameBounds) anim dereferenceArgs: (args, locals) -> for key, val of args if locals[val] args[key] = locals[val] else if val is null args[key] = {} else if _.isString(val) and val.indexOf('createjs.') is 0 args[key] = eval(val) # TODO: Security risk else if _.isObject(val) or _.isArray(val) @dereferenceArgs(val, locals) args buildMovieClipShapes: (localShapes) -> map = {} for localShape in localShapes if localShape.im shape = new createjs.Shape() shape._off = true else shape = @buildShapeFromStore(localShape.gn) if localShape.m shape.mask = map[localShape.m] map[localShape.bn] = shape map buildMovieClipContainers: (localContainers) -> map = {} for localContainer in localContainers container = @buildContainerFromStore(localContainer.gn) container.setTransform(localContainer.t...) container._off = localContainer.o if localContainer.o? container.alpha = localContainer.al if localContainer.al? map[localContainer.bn] = container map buildMovieClipAnimations: (localAnimations) -> map = {} for localAnimation in localAnimations animation = @buildMovieClip(localAnimation.gn, localAnimation.a...) animation.setTransform(localAnimation.t...) map[localAnimation.bn] = animation map buildMovieClipGraphics: (localGraphics) -> map = {} for localGraphic in localGraphics graphic = new createjs.Graphics().p(localGraphic.p) map[localGraphic.bn] = graphic map buildShapeFromStore: (shapeKey, debug=false) -> shapeData = @shapeStore[shapeKey] shape = new createjs.Shape() if shapeData.lf? shape.graphics.lf shapeData.lf... else if shapeData.fc? shape.graphics.f @colorMap[shapeKey] or shapeData.fc else if shapeData.rf? shape.graphics.rf shapeData.rf... if shapeData.ls? shape.graphics.ls shapeData.ls... else if shapeData.sc? shape.graphics.s shapeData.sc shape.graphics.ss shapeData.ss... if shapeData.ss? shape.graphics.de shapeData.de... if shapeData.de? shape.graphics.p shapeData.p if shapeData.p? shape.setTransform shapeData.t... shape buildContainerFromStore: (containerKey) -> console.error 'Yo we don\'t have no containerKey' unless containerKey contData = @containerStore[containerKey] cont = new createjs.Container() cont.initialize() for childData in contData.c if _.isString(childData) child = @buildShapeFromStore(childData) else continue if not childData.gn child = @buildContainerFromStore(childData.gn) child.setTransform(childData.t...) cont.addChild(child) cont.bounds = new createjs.Rectangle(contData.b...) cont buildColorMaps: -> @colorMap = {} colorGroups = @thangType.get('colorGroups') return if _.isEmpty colorGroups colorConfig = @options.colorConfig # colorConfig ?= {team: {hue:0.4, saturation: -0.5, lightness: -0.5}} # test config return if not colorConfig for group, config of colorConfig continue unless colorGroups[group] # color group not found... @buildColorMapForGroup(colorGroups[group], config) buildColorMapForGroup: (shapes, config) -> return unless shapes.length colors = @initColorMap(shapes) @adjustHuesForColorMap(colors, config.hue) @adjustValueForColorMap(colors, 1, config.saturation) @adjustValueForColorMap(colors, 2, config.lightness) @applyColorMap(shapes, colors) initColorMap: (shapes) -> colors = {} for shapeKey in shapes shape = @shapeStore[shapeKey] continue if (not shape.fc?) or colors[shape.fc] hsl = hexToHSL(shape.fc) colors[shape.fc] = hsl colors adjustHuesForColorMap: (colors, targetHue) -> hues = (hsl[0] for hex, hsl of colors) # 'rotate' the hue spectrum so averaging works if Math.max(hues) - Math.min(hues) > 0.5 hues = (if h < 0.5 then h + 1.0 else h for h in hues) averageHue = sum(hues) / hues.length averageHue %= 1 # end result should be something like a hue array of [0.9, 0.3] gets an average of 0.1 targetHue ?= 0 diff = targetHue - averageHue hsl[0] = (hsl[0] + diff + 1) % 1 for hex, hsl of colors adjustValueForColorMap: (colors, index, targetValue) -> values = (hsl[index] for hex, hsl of colors) averageValue = sum(values) / values.length targetValue ?= 0.5 diff = targetValue - averageValue for hex, hsl of colors hsl[index] = Math.max(0, Math.min(1, hsl[index] + diff)) applyColorMap: (shapes, colors) -> for shapeKey in shapes shape = @shapeStore[shapeKey] continue if (not shape.fc?) or not(colors[shape.fc]) @colorMap[shapeKey] = hslToHex(colors[shape.fc]) sum = (nums) -> _.reduce(nums, (s, num) -> s + num)