pituicat/src/Scenes/Test.hs

{-# LANGUAGE OverloadedStrings #-}
module Scenes.Test where

import Affection

import SDL (($=), get)
import qualified SDL

import qualified Graphics.Rendering.OpenGL as GL

import Control.Concurrent.STM

import Control.Monad (void)

import Linear

-- internal imports

import Types
import Map
import Classes.Scene

data Test = Test
  { testMap :: TMVar LevelMap
  , testLoaded :: TVar Bool
  }

instance Scene Test where

  initScene = Test <$> newEmptyTMVarIO <*> newTVarIO False

  loadScene level progress = do
    atomically $ do
      void $ takeTMVar progress
      putTMVar progress (0, "Loading test level...")
    loadedMap <- constructMap testLevelDesc 0
    atomically $ putTMVar (testMap level) loadedMap
    void $ atomically $ do
      void $ takeTMVar progress
      putTMVar progress (0.5, "Loaded test level map!")
    void $ atomically $ swapTVar (testLoaded level) True

    let projection = ortho 0 800 0 600 (-1) 1 :: M44 GL.GLfloat
        view = mkTransformationMat (identity :: M33 GL.GLfloat) (V3 0 0 0)
        model = mkTransformationMat (identity :: M33 GL.GLfloat) (V3 0 0 0)

    vertexArrayObject <- GL.genObjectName
    vertexArray <- newVertexArray

    GL.bindVertexArrayObject $= Just vertexArrayObject

    void $ atomically $ do
      void $ takeTMVar progress
      putTMVar progress (1, "Loaded graphics!")


  isSceneLoaded = liftIO . atomically . readTVar . testLoaded

  update _ _ = return ()

  onEvents _ _ = return ()

  render _ = return ()

testLevelDesc :: LevelDescriptor
testLevelDesc = LevelDescriptor
  [ (0, "res/maps/00_test/00_test.bmp")
  ]
  0
  "res/tiles/00_test/00_test.png"
  (3, 3)