examples: add batch asset files

examples/basic/test_scene2/assets/init.lua

@@ -0,0 +1,13 @@
+local folder = "examples/basic/test_scene2/"
+
+return {
+  ["images"] = {
+    {"debris",  folder .. "assets/debris.png"}
+  },
+  ["tilesets"] = {
+    {"weapon",  folder .. "assets/weapon"}
+  },
+  ["sprites"] = {
+    {"poof",    folder .. "assets/poof"}
+  }
+}

examples/basic/test_scene2/init.lua

@@ -31,9 +31,7 @@ local World   = require "gamecore.modules.world.baseworld"
 function TestScene:new()
   TestScene.super.new(self)
 
-  self.assets:addImage("debris", folder .. "assets/debris.png")
-  self.assets:addSprite("poof", folder .. "assets/poof")
-  self.assets:addTileset("weapon", folder .. "assets/weapon")
+  self.assets:batchImport("examples.basic.test_scene2.assets")
 
   self.i = 0
   self.estImpair = false

examples/mainmenu/assets/init.lua

@@ -0,0 +1,10 @@
+return {
+  ["imagefonts"] = {
+    {"medium",    "examples/mainmenu/assets/medium"}
+  },
+  ["sfx"] = {
+    {"navigate",  "examples/mainmenu/assets/menu_move.mp3"},
+    {"confirm",   "examples/mainmenu/assets/menu_confirm.mp3"},
+    {"cancel",    "examples/mainmenu/assets/menu_error.mp3"},
+  }
+}

examples/mainmenu/init.lua

@@ -33,11 +33,7 @@ local ExitWidget    = Widget.Text:extend()
 
 function MainMenu:new()
   MainMenu.super.new(self)
-  self.assets:addImageFont("medium", "examples/mainmenu/assets/medium")
-
-  self.assets:addSFX("navigate",  "examples/mainmenu/assets/menu_move.mp3")
-  self.assets:addSFX("confirm",   "examples/mainmenu/assets/menu_confirm.mp3")
-  self.assets:addSFX("cancel",    "examples/mainmenu/assets/menu_error.mp3")
+  self.assets:batchImport("examples.mainmenu.assets")
 
   self:addMenu("main", true)
   self:addSubMenu("basic", "basic")