Set up the level loader to get thangtype names first, then load the thang types themselves so the world can be generated in parallel with thang type loading and rendering.

app/collections/CocoCollection.coffee

@@ -9,3 +9,8 @@ module.exports = class CocoCollection extends Backbone.Collection
 
   getURL: ->
     return if _.isString @url then @url else @url()
+
+  fetch: ->
+    @jqxhr = super(arguments...)
+    @loading = true
+    @jqxhr

app/collections/ThangNamesCollection.coffee

@@ -6,6 +6,9 @@ module.exports = class ThangNamesCollection extends CocoCollection
   model: ThangType
   isCachable: false
 
-  constructor: (ids) ->
-    console.log 'data', {type:'POST', data:{ids:ids}}
-    super([], {type:'POST', data:{ids:ids}})
+  constructor: (@ids) -> super()
+    
+  fetch: (options) ->
+    options ?= {}
+    _.extend options, {type:'POST', data:{ids:@ids}}
+    super(options)

app/lib/LevelLoader.coffee

@@ -105,19 +105,18 @@ module.exports = class LevelLoader extends CocoClass
 
     objUniq = (array) -> _.uniq array, false, (arg) -> JSON.stringify(arg)
 
-    thangNames = new ThangNamesCollection(thangIDs)
-    @supermodel.loadCollection thangNames, 'thang_names'
-#    for thangID in _.uniq thangIDs
-#      url = "/db/thang.type/#{thangID}/version"
-#      url += "?project=true" if @headless and not @editorMode
-#      res = @maybeLoadURL url, ThangType, 'thang'
-#      @listenToOnce res.model, 'sync', @buildSpriteSheetsForThangType if res
+    worldNecessities = []
+
+    @thangIDs = _.uniq thangIDs
+    thangNames = new ThangNamesCollection(@thangIDs)
+    worldNecessities.push @supermodel.loadCollection(thangNames, 'thang_names')
+          
     for obj in objUniq componentVersions
       url = "/db/level.component/#{obj.original}/version/#{obj.majorVersion}"
-      @maybeLoadURL url, LevelComponent, 'component'
+      worldNecessities.push @maybeLoadURL(url, LevelComponent, 'component')
     for obj in objUniq systemVersions
       url = "/db/level.system/#{obj.original}/version/#{obj.majorVersion}"
-      @maybeLoadURL url, LevelSystem, 'system'
+      worldNecessities.push @maybeLoadURL(url, LevelSystem, 'system')
     for obj in objUniq articleVersions
       url = "/db/article/#{obj.original}/version/#{obj.majorVersion}"
       @maybeLoadURL url, Article, 'article'
@@ -129,6 +128,17 @@ module.exports = class LevelLoader extends CocoClass
       wizard = ThangType.loadUniversalWizard()
       @supermodel.loadModel wizard, 'thang'
       
+    jqxhrs = (resource.jqxhr for resource in worldNecessities when resource?.jqxhr)
+    $.when(jqxhrs...).done(@onWorldNecessitiesLoaded)
+
+  onWorldNecessitiesLoaded: =>
+    @initWorld()
+    for thangID in @thangIDs
+      url = "/db/thang.type/#{thangID}/version"
+      url += "?project=true" if @headless and not @editorMode
+      res = @maybeLoadURL url, ThangType, 'thang'
+      @listenToOnce res.model, 'sync', @buildSpriteSheetsForThangType if res
+
   maybeLoadURL: (url, Model, resourceName) ->
     return if @supermodel.getModel(url)
     model = new Model().setURL url
@@ -138,7 +148,6 @@ module.exports = class LevelLoader extends CocoClass
     @loadLevelSounds()
     @denormalizeSession()
     app.tracker.updatePlayState(@level, @session) unless @headless
-    @initWorld()
 
   denormalizeSession: ->
     return if @headless or @sessionDenormalized or @spectateMode
@@ -201,7 +210,6 @@ module.exports = class LevelLoader extends CocoClass
     @world = new World @level.get('name')
     serializedLevel = @level.serialize(@supermodel)
     @world.loadFromLevel serializedLevel, false
-    console.log 'INITIALIZED!', (new Date().getTime() - @t0) / 1000
 
   # Initial Sound Loading
 

app/lib/surface/SpriteBoss.coffee

@@ -48,7 +48,7 @@ module.exports = class SpriteBoss extends CocoClass
   toString: -> "<SpriteBoss: #{@spriteArray.length} sprites>"
 
   thangTypeFor: (type) ->
-    _.find @options.thangTypes, (m) -> m.get('original') is type or m.get('name') is type
+    _.find @options.thangTypes, (m) -> m.get('actions') and m.get('original') is type or m.get('name') is type
 
   createLayers: ->
     @spriteLayers = {}
@@ -145,7 +145,7 @@ module.exports = class SpriteBoss extends CocoClass
 
   addThangToSprites: (thang, layer=null) ->
     return console.warn 'Tried to add Thang to the surface it already has:', thang.id if @sprites[thang.id]
-    thangType = _.find @options.thangTypes, (m) -> m.get('name') is thang.spriteName
+    thangType = _.find @options.thangTypes, (m) -> m.get('actions') and m.get('name') is thang.spriteName
     options = @createSpriteOptions thang: thang
     options.resolutionFactor = if thangType.get('kind') is 'Floor' then 2 else 4
     sprite = new CocoSprite thangType, options

app/models/CocoModel.coffee

@@ -37,6 +37,8 @@ class CocoModel extends Backbone.Model
     @markToRevert()
     @loadFromBackup()
     
+  getNormalizedURL: -> "#{@urlRoot}/#{@id}"
+
   set: ->
     res = super(arguments...)
     @saveBackup() if @saveBackups and @loaded and @hasLocalChanges()
@@ -75,9 +77,9 @@ class CocoModel extends Backbone.Model
     return super attrs, options
 
   fetch: ->
-    res = super(arguments...)
+    @jqxhr = super(arguments...)
     @loading = true
-    res
+    @jqxhr
 
   markToRevert: ->
     if @type() is 'ThangType'

app/models/SuperModel.coffee

@@ -199,6 +199,7 @@ class ModelResource extends Resource
     super(name, value)
     @model = modelOrCollection
     @fetchOptions = fetchOptions
+    @jqxhr = @model.jqxhr
 
   load: ->
     @markLoading()