More memory fixes.

app/lib/surface/Camera.coffee

@@ -260,3 +260,7 @@ module.exports = class Camera extends CocoClass
     @locked = true
   unlock: ->
     @locked = false
+
+  destroy: ->
+    super()
+    @onTweenEnd = null

app/lib/surface/Surface.coffee

@@ -81,6 +81,7 @@ module.exports = Surface = class Surface extends CocoClass
   destroy: ->
     super()
     @dead = true
+    @camera?.destroy()
     createjs.Ticker.removeEventListener("tick", @tick)
     createjs.Sound.stop()
     layer.destroy() for layer in @layers
@@ -324,6 +325,7 @@ module.exports = Surface = class Surface extends CocoClass
     @stage = new createjs.Stage(@canvas[0])
     canvasWidth = parseInt(@canvas.attr('width'), 10)
     canvasHeight = parseInt(@canvas.attr('height'), 10)
+    @camera?.destroy()
     @camera = new Camera canvasWidth, canvasHeight
     @layers.push @surfaceLayer = new Layer name: "Surface", layerPriority: 0, transform: Layer.TRANSFORM_SURFACE, camera: @camera
     @layers.push @surfaceTextLayer = new Layer name: "Surface Text", layerPriority: 1, transform: Layer.TRANSFORM_SURFACE_TEXT, camera: @camera

app/views/editor/article/edit.coffee

@@ -52,7 +52,7 @@ module.exports = class ArticleEditView extends View
     b.find('#insert').html(m)
     b.find('#title').text(@treema.data.name)
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super(context)
     context.article = @article
     context

app/views/editor/components/config.coffee

@@ -20,7 +20,7 @@ module.exports = class ComponentConfigView extends CocoView
     @editing = options.editing
     @callback = options.callback
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super(context)
     context.component = @component
     context.configProperties = []

app/views/editor/level/component/edit.coffee

@@ -16,7 +16,7 @@ module.exports = class LevelComponentEditView extends View
     @levelComponent = @supermodel.getModelByOriginalAndMajorVersion LevelComponent, options.original, options.majorVersion or 0
     console.log "Couldn't get levelComponent for", options, "from", @supermodel.models unless @levelComponent
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super(context)
     context.editTitle = "#{@levelComponent.get('system')}.#{@levelComponent.get('name')}"
     context

app/views/editor/level/edit.coffee

@@ -60,7 +60,7 @@ module.exports = class EditorLevelView extends View
   initWorld: ->
     @world = new World @level.name
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super(context)
     context.level = @level
     context

app/views/editor/level/fork_view.coffee

@@ -17,7 +17,7 @@ module.exports = class LevelForkView extends View
     super options
     @level = options.level
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super(context)
     context.level = @level
     context

app/views/editor/level/save_view.coffee

@@ -17,7 +17,7 @@ module.exports = class LevelSaveView extends SaveVersionModal
     super options
     @level = options.level
     
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super(context)
     context.level = @level
     context.levelNeedsSave = @level.hasLocalChanges()

app/views/editor/level/system/edit.coffee

@@ -16,7 +16,7 @@ module.exports = class LevelSystemEditView extends View
     @levelSystem = @supermodel.getModelByOriginalAndMajorVersion LevelSystem, options.original, options.majorVersion or 0
     console.log "Couldn't get levelSystem for", options, "from", @supermodel.models unless @levelSystem
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super(context)
     context.editTitle = "#{@levelSystem.get('name')}"
     context

app/views/editor/level/thang/edit.coffee

@@ -28,7 +28,7 @@ module.exports = class LevelThangEditView extends View
     @level = options.level
     @oldID = @thangData.id
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super(context)
     context.thang = @thangData
     context

app/views/editor/level/thangs_tab_view.coffee

@@ -72,7 +72,7 @@ module.exports = class ThangsTabView extends View
     @render()  # do it again but without the loading screen
     @onLevelLoaded level: @level if @level
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super(context)
     thangTypes = (thangType.attributes for thangType in @supermodel.getModels(ThangType))
     thangTypes = _.uniq thangTypes, false, 'original'

app/views/editor/thang/edit.coffee

@@ -52,7 +52,7 @@ module.exports = class ThangTypeEditView extends View
     @files.fetch()
     @render()
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super(context)
     context.thangType = @thangType
     context.animations = @getAnimationNames()
@@ -97,6 +97,7 @@ module.exports = class ThangTypeEditView extends View
     @stage = new createjs.Stage(canvas[0])
     canvasWidth = parseInt(canvas.attr('width'), 10)
     canvasHeight = parseInt(canvas.attr('height'), 10)
+    @camera?.destroy()
     @camera = new Camera canvasWidth, canvasHeight
 
     @torsoDot = @makeDot('blue')
@@ -371,3 +372,7 @@ module.exports = class ThangTypeEditView extends View
     @grid.alpha = 1.0
     @showAnimation()
     @showingSelectedNode = false
+
+  destroy: ->
+    super()
+    @camera?.destroy()

app/views/kinds/ModalView.coffee

@@ -16,7 +16,7 @@ module.exports = class ModalView extends CocoView
     @modalWidthPercent = options.modalWidthPercent if options.modalWidthPercent
     super options
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super(context)
     context.closeButton = @closeButton
     context

app/views/kinds/VersionsView.coffee

@@ -34,7 +34,7 @@ module.exports = class SuperVersionsView extends View
     @startsLoading = false
     @render()
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super(context)
     context.page = @page
     context.dataList = (m.attributes for m in @collection.models) if @collection

app/views/play/level/hud_view.coffee

@@ -26,7 +26,7 @@ module.exports = class HUDView extends View
   events:
     'click': -> Backbone.Mediator.publish 'focus-editor'
 
-  afterRender: =>
+  afterRender: ->
     super()
     @$el.addClass 'no-selection'
 
@@ -335,3 +335,6 @@ module.exports = class HUDView extends View
   destroy: ->
     super()
     @stage?.stopTalking()
+    @addMoreMessage = null
+    @animateEnterButton = null
+    clearInterval(@messageInterval) if @messageInterval

app/views/play/level/level_chat_view.coffee

@@ -18,14 +18,14 @@ module.exports = class LevelChatView extends View
   constructor: (options) ->
     @levelID = options.levelID
     @session = options.session
-    @session.on 'change:multiplayer', @updateMultiplayerVisibility
+    @session.on 'change:multiplayer', @updateMultiplayerVisibility, @
     @sessionID = options.sessionID
     @bus = LevelBus.get(@levelID, @sessionID)
     super()
     @regularlyClearOldMessages()
     @playNoise = _.debounce(@playNoise, 100)
 
-  updateMultiplayerVisibility: =>
+  updateMultiplayerVisibility: ->
     return unless @$el?
     if @session.get('multiplayer')
       @$el.removeClass('hide')
@@ -47,7 +47,7 @@ module.exports = class LevelChatView extends View
       if new Date().getTime() - added > 60 * 1000
         row.fadeOut(1000, -> $(this).remove())
 
-  onNewMessage: (e) =>
+  onNewMessage: (e) ->
     @$el.removeClass('hide') unless e.message.system
     @addOne(e.message)
     @trimClosedPanel()
@@ -99,7 +99,7 @@ module.exports = class LevelChatView extends View
       break if rows.length - i <= limit
       row.remove()
 
-  onChatKeydown: (e) =>
+  onChatKeydown: (e) ->
     if key.isPressed('enter')
       message = _.string.strip($(e.target).val())
       return false unless message
@@ -107,7 +107,7 @@ module.exports = class LevelChatView extends View
       $(e.target).val('')
       return false
 
-  onIconClick: =>
+  onIconClick: ->
     openPanel = $('.open-chat-area', @$el)
     closedPanel = $('.closed-chat-area', @$el)
     @open = not @open
@@ -130,6 +130,8 @@ module.exports = class LevelChatView extends View
     openPanel.scrollTop = openPanel.scrollHeight or 1000000
 
   destroy: ->
-    console.log('DESTROY CHAT', @levelID)
     super()
     key.deleteScope('level')
+    @session.off 'change:multiplayer', @updateMultiplayerVisibility, @
+    clearInterval @clearOldMessagesInterval if @clearOldMessagesInterval
+    @clearOldMessages = null

app/views/play/level/thang_avatar_view.coffee

@@ -15,7 +15,7 @@ module.exports = class ThangAvatarView extends View
     @thang = options.thang
     @includeName = options.includeName
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super context
     context.thang = @thang
     thangs = @supermodel.getModels(ThangType)

app/views/play/level/tome/cast_button_view.coffee

@@ -19,7 +19,7 @@ module.exports = class CastButtonView extends View
     @castShortcut = "⇧↩"
     @castShortcutVerbose = "Shift+Enter"
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super context
     context.castShortcutVerbose = @castShortcutVerbose
     context

app/views/play/level/tome/problem_alert_view.coffee

@@ -15,7 +15,7 @@ module.exports = class ProblemAlertView extends View
     super options
     @problem = options.problem
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super context
     context.message = @problem.aetherProblem.message.replace("\n", "<br>")
     context.hint = @problem.aetherProblem.hint?.replace("\n", "<br>")

app/views/play/level/tome/spell_list_entry_thangs_view.coffee

@@ -13,7 +13,7 @@ module.exports = class SpellListEntryThangsView extends View
     @spell = options.spell
     @avatars = []
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super context
     context.thangs = @thangs
     context.spell = @spell

app/views/play/level/tome/spell_list_entry_view.coffee

@@ -27,7 +27,7 @@ module.exports = class SpellListEntryView extends View
     @spell = options.spell
     @showTopDivider = options.showTopDivider
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super context
     context.spell = @spell
     context.parameters = (@spell.parameters or []).join ', '
@@ -68,7 +68,7 @@ module.exports = class SpellListEntryView extends View
     return unless @controlsEnabled and _.size(@spell.thangs) > 1
     @hideThangsTimeout = _.delay @hideThangs, 100
 
-  showThangs: =>
+  showThangs: ->
     clearTimeout @hideThangsTimeout if @hideThangsTimeout
     return if @thangsView
     @thangsView = new SpellListEntryThangsView thangs: (spellThang.thang for thangID, spellThang of @spell.thangs), thang: @getPrimarySpellThang().thang, spell: @spell, supermodel: @supermodel
@@ -105,3 +105,4 @@ module.exports = class SpellListEntryView extends View
   destroy: ->
     super()
     @avatar?.destroy()
+    @hideThangs = null

app/views/play/level/tome/spell_list_tab_entry_view.coffee

@@ -19,7 +19,7 @@ module.exports = class SpellListTabEntryView extends SpellListEntryView
   constructor: (options) ->
     super options
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super context
     context
 

app/views/play/level/tome/spell_list_view.coffee

@@ -90,4 +90,5 @@ module.exports = class SpellListView extends View
 
   destroy: ->
     super()
-    entry.destroy() for entry in @entries
+    entry.destroy() for entry in @entries
+    @sortScoreForSpell = null

app/views/play/level/tome/thang_list_entry_view.coffee

@@ -34,7 +34,7 @@ module.exports = class ThangListEntryView extends View
     @reasonsToBeDisabled = {}
     @sortSpells()
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super context
     context.thang = @thang
     context.spell = @spells

app/views/play/level/tome/thang_list_view.coffee

@@ -84,4 +84,5 @@ module.exports = class ThangListView extends View
   destroy: ->
     super()
     entry.destroy() for entry in @entries
+    @sortScoreForThang = null
 

app/views/play_view.coffee

@@ -5,7 +5,7 @@ module.exports = class PlayView extends View
   id: "play-view"
   template: template
 
-  getRenderData: (context={}) =>
+  getRenderData: (context={}) ->
     context = super(context)
     context.home = true