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Label.coffee
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Label.coffee
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CocoClass = require 'core/CocoClass'
createjs = require 'lib/createjs-parts'
# Default parameters are using short name (char)
DEFAULT_STYLE_CHAR = {dialogue: 'D', say: 'S', name: 'N', variable: 'V', text: 'T', editor: 'E'}
DEFAULT_LABEL_OPTIONS = {
marginX: {D: 5, S: 6, N: 3, V: 0, T: 0, E: 0},
marginY: {D: 6, S: 4, N: 3, V: 0, T: 0, E: 0},
fontWeight: {D: 'bold', S: 'bold', N: 'bold', V: 'bold', T: 'bold', E: 'regular'},
shadow: {D: false, S: true, N: true, V: true, T: false, E: false},
shadowColor: {D: '#FFF', S: '#000', N: '#000', V: "#000", T: "#FFF", E: '#000'},
fontSize: {D: 25, S: 12, N: 24, V: 18, T: 20, E: 8},
lineSpacing: {D: 2, S: 2, N: 2, V: 2, T: 2, E: 2},
fontFamily: {D: 'Arial', S: 'Arial', N: 'Arial', B: 'Arial', V: 'Arial', T: 'Arial', E: 'Arial'},
textAlign: {D: 'left', S: 'left', N: 'left', B: 'left', V: 'left', T: 'left', E: 'left'},
fontColor: {D: '#000', S: '#FFF', N: '#6c6', V: '#fff', T: '#000', E: '#6c6'},
backgroundFillColor: {D: 'white', S: 'rgba(0,0,0,0.4)', N: 'rgba(0,0,0,0.7)', V: 'rgba(0,0,0,0.7)', T: 'rgba(0,0,0,0)', E: 'rgba(0,0,0,0.8)'},
backgroundStrokeColor: {D: 'black', S: 'rgba(0,0,0,0.6)', N: 'rgba(0,0,0,0)', V: 'rgba(0,0,0,0)', T: 'rgba(0,0,0,0)', E: 'rgba(0,0,0,0)'},
backgroundStrokeStyle: {D: 2, S: 1, N: 1, V: 1, T: 0, E: 0},
backgroundBorderRadius: {D: 10, S: 3, N: 3, V: 3, T: 0, E: 1},
layerPriority: {D: 10, S: 5, N: 5, V: 5, T: 10, E: 5},
maxWidth: {D: 300, S: 300, N: 180, V: 100, T: 100, E: 100},
maxLength: {D: 100, S: 100, N: 30, V: 30, T: 100, E: 50}
}
module.exports = class Label extends CocoClass
@STYLE_DIALOGUE = 'dialogue' # A speech bubble from a script
@STYLE_SAY = 'say' # A piece of text generated from the world
@STYLE_NAME = 'name' # A name like Scott set up for the Wizard
# We might want to combine 'say' and 'name'; they're very similar
# Nick designed 'say' based off of Scott's 'name' back when they were using two systems
@STYLE_VAR = 'variable'
@STYLE_TEXT = 'text' # "Direct" label on the sprite pos without following screen caps
@STYLE_EDITOR = 'editor' # Like STYLE_NAME, but smaller, for use in level editor
@BITMAP_SPACE = 20 # Size extenstion for speech bubbles for box pointers
subscriptions: {}
constructor: (options) ->
super()
options ?= {}
@sprite = options.sprite
@camera = options.camera
@layer = options.layer
@style = options.style ? (@sprite?.thang?.labelStyle || Label.STYLE_SAY)
@labelOptions = options.labelOptions ? {}
@returnBounds = @labelOptions.returnBounds
console.error @toString(), 'needs a sprite.' unless @sprite
console.error @toString(), 'needs a camera.' unless @camera
console.error @toString(), 'needs a layer.' unless @layer
@setText options.text if options.text
destroy: ->
@setText null
super()
toString: -> "<Label for #{@sprite?.thang?.id ? 'None'}: #{@text?.substring(0, 10) ? ''}>"
setText: (text) ->
# Returns whether an update was actually performed
return false if text is @text
@text = text
@build()
true
build: ->
if @layer and not @layer.destroyed
@layer.removeLabel @ if @background or @label
@label = null
@background = null
return unless @text # null or '' should both be skipped
o = @buildLabelOptions()
@label = @buildLabel o
@background = @buildBackground o
@layer.addLabel @
update: ->
return unless @text and @sprite.sprite
offset = {x: 0, y: 0} # default and for Label.STYLE_TEXT
if @sprite.getOffset
offset = @sprite.getOffset(if @style in [Label.STYLE_DIALOGUE, Label.STYLE_SAY] then 'mouth' else 'aboveHead')
offset.y += 10 if @style is Label.STYLE_VAR
rotation = @sprite.getRotation()
offset.x *= -1 if rotation >= 135 or rotation <= -135
@label.x = @background.x = @sprite.sprite.x + offset.x
@label.y = @background.y = @sprite.sprite.y + offset.y
if @returnBounds and @background.bitmapCache and @sprite?.options?.camera
cache = @background.bitmapCache
camera = @sprite.options.camera
width = (@background.bitmapCache.width - Label.BITMAP_SPACE) * @background.scaleX
height = (@background.bitmapCache.height - Label.BITMAP_SPACE) * @background.scaleY
x = @background.x - @background.regX * @background.scaleX
y = @background.y - @background.regY * @background.scaleY
posLB = camera.surfaceToWorld({x: x, y: y + height})
posRT = camera.surfaceToWorld({x: x + width, y: y})
@sprite.thang?.labelBounds = {x1: posLB.x, x2: posRT.x, y1: posLB.y, y2: posRT.y}
null
show: ->
return unless @label
@layer.addLabel @
@layer.updateLayerOrder()
hide: ->
return unless @label
@layer.removeLabel @
buildLabelOptions: ->
o = {}
st = DEFAULT_STYLE_CHAR[@style]
for prop, styleValues of DEFAULT_LABEL_OPTIONS
o[prop] = styleValues[st]
if @style isnt Label.STYLE_TEXT
# 'text' is only non limited
o.maxWidth = Math.max(@camera.canvasWidth / 2 - 100, o.maxWidth)
if (@style in [Label.STYLE_NAME, Label.STYLE_EDITOR]) and @sprite?.thang?.team is 'humans'
o.fontColor = '#c66'
else if (@style in [Label.STYLE_NAME, Label.STYLE_EDITOR]) and @sprite?.thang?.team is 'ogres'
o.fontColor = '#66c'
# We allow to override options from thang.sayLabelOptions
o = _.merge(o, @labelOptions)
o.fontDescriptor = "#{o.fontWeight} #{o.fontSize}px #{o.fontFamily}"
multiline = @addNewLinesToText _.string.prune(@text, o.maxLength), o.fontDescriptor, o.maxWidth
o.text = multiline.text
o.textWidth = multiline.textWidth
o
buildLabel: (o) ->
label = new createjs.Text o.text, o.fontDescriptor, o.fontColor
label.lineHeight = o.fontSize + o.lineSpacing
label.x = o.marginX
label.y = o.marginY
label.textAlign = o.textAlign
label.shadow = new createjs.Shadow o.shadowColor, 1, 1, 0 if o.shadow
label.layerPriority = o.layerPriority
label.name = "Sprite Label - #{@style}"
bounds = label.getBounds()
label.cache(bounds.x, bounds.y, bounds.width, bounds.height)
o.textHeight = label.getMeasuredHeight()
o.label = label
label
buildBackground: (o) ->
w = o.textWidth + 2 * o.marginX
h = o.textHeight + 2 * o.marginY + 1 # Is this +1 needed?
background = new createjs.Shape()
background.name = "Sprite Label Background - #{@style}"
g = background.graphics
g.beginFill o.backgroundFillColor
g.beginStroke o.backgroundStrokeColor
g.setStrokeStyle o.backgroundStrokeStyle
radius = o.backgroundBorderRadius # Rounded rectangle border radius
pointerHeight = 10 # Height of pointer triangle
pointerWidth = 8 # Actual width of pointer triangle
pointerWidth += radius # Convenience value including pointer width and border radius
if @style is 'dialogue' and not o.withoutPointer
# Figure out the position of the pointer for the bubble
sup = x: @sprite.sprite.x, y: @sprite.sprite.y # a little more accurate to aim for mouth--how?
cap = @camera.surfaceToCanvas sup
o.hPos = if cap.x / @camera.canvasWidth > 0.53 then 'right' else 'left'
o.vPos = if cap.y / @camera.canvasHeight > 0.53 then 'bottom' else 'top'
pointerPos = "#{o.vPos}-#{o.hPos}"
# TODO: we should redo this when the Thang moves enough, not just when we change its text
#return if pointerPos is @lastBubblePos and blurb is @lastBlurb
# Draw a rounded rectangle with the pointer coming out of it
g.moveTo(radius, 0)
if pointerPos is 'top-left'
g.lineTo(radius / 2, -pointerHeight)
g.lineTo(pointerWidth, 0)
else if pointerPos is 'top-right'
g.lineTo(w - pointerWidth, 0)
g.lineTo(w - radius / 2, -pointerHeight)
# Draw top and right edges
g.lineTo(w - radius, 0)
g.quadraticCurveTo(w, 0, w, radius)
g.lineTo(w, h - radius)
g.quadraticCurveTo(w, h, w - radius, h)
if pointerPos is 'bottom-right'
g.lineTo(w - radius / 2, h + pointerHeight)
g.lineTo(w - pointerWidth, h)
else if pointerPos is 'bottom-left'
g.lineTo(pointerWidth, h)
g.lineTo(radius / 2, h + pointerHeight)
# Draw bottom and left edges
g.lineTo(radius, h)
g.quadraticCurveTo(0, h, 0, h - radius)
g.lineTo(0, radius)
g.quadraticCurveTo(0, 0, radius, 0)
else
# Just draw a rounded rectangle
o.hPos ?= "middle"
o.vPos ?= "middle"
pointerHeight = 0
g.drawRoundRect(o.label.x - o.marginX, o.label.y - o.marginY, w, h, o.backgroundBorderRadius)
background.regX = w / 2
background.regY = h + 2 # Just above health bar, say
# Center the container where the mouth of the speaker will be
if o.hPos is "left"
background.regX = 3
else if o.hPos is "right"
background.regX = o.textWidth + 3
if o.vPos is "bottom"
background.regY = h + pointerHeight
else if o.vPos is "top"
background.regY = -pointerHeight
if @style is Label.STYLE_TEXT
if o.hPos is 'left'
background.regX = 0
else if o.hPos is 'right'
background.regX = o.textWidth
background.regY = h / 2
if o.vPos is "bottom"
background.regY = h
else if o.vPos is "top"
background.regY = 0
o.label.regX = background.regX - o.marginX
o.label.regY = background.regY - o.marginY
space = Label.BITMAP_SPACE
offset = -1 * space / 2
background.cache(offset, offset, w + space, h + space)
g.endStroke()
g.endFill()
background.layerPriority = o.layerPriority - 1
background
addNewLinesToText: (originalText, fontDescriptor, maxWidth=400) ->
rows = []
row = []
words = _.string.words originalText
textWidth = 0
for word in words
row.push(word)
text = new createjs.Text(_.string.join(' ', row...), fontDescriptor, '#000')
width = text.getMeasuredWidth()
if width > maxWidth
if row.length is 1 # one long word, truncate it
row[0] = _.string.truncate(row[0], 40)
text.text = row[0]
textWidth = Math.max(text.getMeasuredWidth(), textWidth)
rows.push(row)
row = []
else
row.pop()
rows.push(row)
row = [word]
else
textWidth = Math.max(textWidth, width)
rows.push(row) if row.length
for row, i in rows
rows[i] = _.string.join(' ', row...)
text: _.string.join("\n", rows...), textWidth: textWidth