some data moving

app/Main.hs

@@ -54,14 +54,13 @@ loadState = do
     <$> (SubWindow <$> newTVarIO [])
     <*> (SubMouse <$> newTVarIO [])
   
-  rawImg <- readImage "assets/img/lynx.jpg"
+  spriteDetails <- loadSprites
-  let img = case eRawImg of
-    Left err -> error err
-    Right dynImg -> convertRGBA8 dynImg
 
   return UserData
     { udSubsystems = subs
-    , udAssetSprites = M.singleton "lynx" (Sprite (V2 0 0) img)
+    , udRenderAssets = RenderAssets
+      { assetSprites = spriteDetails
+      }
     }
 
 handle = return ()
@@ -69,5 +68,6 @@ handle = return ()
 updateLoop = return ()
 
 drawLoop = do
-  ud@(UserData subs sprites) <- getAffection
+  ud@(UserData subs rassets) <- getAffection
-  draw
+  let (RenderAssets sDetails@(svo sso sdo)) = rassets
+  mapM_ (draw svo sso) (assocs sdo)

app/Renderer.hs

@@ -68,3 +68,21 @@ initSpriteShaderObjects = do
   GL.attachShader shaderProgram fragmentShader
 
   GL.linkProgram shaderProgram
+
+  return (SpriteShaderObjects vertexShader fragmentShader shaderProgram)
+
+loadSprites :: IO (AssetDetails SpriteRenderObjects SpriteShaderObjects Sprite)
+loadSprites = do
+  rawImg <- readImage "assets/img/lynx.jpg"
+  let img = case eRawImg of
+    Left err -> error err
+    Right dynImg -> convertRGBA8 dynImg
+
+  vertObj <- initSpriteRenderObjects
+  shadObj <- initSpriteShaderobjects
+
+  return AssetDetails
+    { adVertObj = vertObj
+    , adShadObj = shadObj
+    , adDataObj = M.singleton "lynx" (Sprite (V2 0 0) img)
+    }

app/Types/UserData.hs

@@ -17,11 +17,21 @@ import Codec.Picture
 import Types.Sprite
 
 data UserData = UserData
-  { udSubsystems  :: Subsystems
+  { udSubsystems   :: Subsystems
-  , udAssetSprites :: M.Map ImgId Sprite
+  , udRenderAssets :: RenderAssets
   }
 
-type ImgId = String
+data RenderAssets = RenderAssets
+  { assetSprites :: AssetDetails SpriteRenderObjects SpriteShaderObjects Sprite
+  }
+
+data Renderable dat => AssetDetails vo so dat = AssetDetails
+  { adVertObj :: vo
+  , adShadObj :: so
+  , adDataObj :: M.Map AssetId dat
+  }
+
+type AssetId = String
 
 data Subsystems = Subsystems
   { subWindow :: SubWindow