moved GLMapState: _renderedMapTexture to State: _mapTexture

src/Main.hs

@@ -14,7 +14,7 @@ import           Control.Lens                         ((^.), (.~), (%~))
 -- data consistency/conversion
 import           Control.Concurrent                   (threadDelay)
 import           Control.Concurrent.STM               (TQueue, newTQueueIO, atomically)
-import           Control.Concurrent.STM.TVar          (newTVarIO, writeTVar, readTVar)
+import           Control.Concurrent.STM.TVar          (newTVarIO, writeTVar, readTVar, readTVarIO)
 
 import           Control.Monad.RWS.Strict             (ask, evalRWST, get, liftIO, modify)
 import           Data.Functor                         ((<$>))
@@ -89,7 +89,8 @@ main = do
         initRendering
         --generate map vertices
         curMap <- exportedMap
-        glMap' <- initMapShader 4 =<< getMapBufferObject curMap
+        (glMap', tex) <- initMapShader 4 =<< getMapBufferObject curMap
+        tex' <- newTVarIO tex
         eventQueue <- newTQueueIO :: IO (TQueue SDL.Event)
         now <- getCurrentTime
         --font <- TTF.openFont "fonts/ttf-04B_03B_/04B_03B_.TTF" 10
@@ -140,6 +141,7 @@ main = do
                         , _tessClockTime       = now
                         }
               , _camera              = cam'
+              , _mapTexture          = tex'
               , _camStack            = camStack'
               , _mouse               = MouseState
                         { _isDragging          = False
@@ -325,8 +327,8 @@ adjustWindow = do
 
 
                    let hudtexid = state ^. gl.glHud.hudTexture
-                       maptexid = state ^. gl.glMap.renderedMapTexture
                        smaptexid = state ^. gl.glMap.shadowMapTexture
+                   maptexid <- liftIO $ readTVarIO (state ^. mapTexture)
                    allocaBytes (fbWidth*fbHeight*4) $ \ptr -> do
                                                                --default to ugly pink to see if
                                                                --somethings go wrong.

src/Render/Render.hs

@@ -62,7 +62,7 @@ initBuffer varray =
 initMapShader ::
                 Int                                -- ^ initial Tessallation-Factor
                 -> (BufferObject,NumArrayIndices)  -- ^ Buffer with Data and DataDescriptor
-                -> IO GLMapState
+                -> IO (GLMapState, TextureObject)
 initMapShader tessFac (buf, vertDes) = do
    ! vertexSource <- B.readFile mapVertexShaderFile
    ! tessControlSource <- B.readFile mapTessControlShaderFile
@@ -210,11 +210,10 @@ initMapShader tessFac (buf, vertDes) = do
             , shdrMOTessOuterIndex = UniformLocation 0 --tessLevelOuter'
             }
 
-   return GLMapState
+   return (GLMapState
         { _mapProgram         = program
         , _mapShaderData      = sdata
         , _mapObjectShaderData = smodata
-        , _renderedMapTexture = tex
         , _stateTessellationFactor = tessFac
         , _stateMap           = buf
         , _mapVert            = vertDes
@@ -224,7 +223,7 @@ initMapShader tessFac (buf, vertDes) = do
         , _mapObjects         = objs
         , _objectProgram      = objProgram
         , _shadowMapProgram   = shadowProgram
-        }
+        }, tex)
 
 initHud :: IO GLHud
 initHud = do
@@ -444,12 +443,13 @@ render = do
 
         ---- RENDER MAP IN TEXTURE <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
         -- COLORMAP
-        textureBinding Texture2D $= Just (state ^. gl.glMap.renderedMapTexture)
+        tex <- liftIO $ readTVarIO (state ^. mapTexture)
+        textureBinding Texture2D $= Just tex
         framebufferTexture2D
                 Framebuffer
                 (ColorAttachment 0)
                 Texture2D
-                (state ^. gl.glMap.renderedMapTexture)
+                tex
                 0
 
         -- Render to FrameBufferObject
@@ -501,7 +501,8 @@ render = do
         uniform (hud ^. hudTexIndex) $= Index1 (0::GLint)
 
         activeTexture  $= TextureUnit 1
-        textureBinding Texture2D $= Just (state ^. gl.glMap.renderedMapTexture)
+        tex <- liftIO $ readTVarIO (state ^. mapTexture)
+        textureBinding Texture2D $= Just tex
         uniform (hud ^. hudBackIndex) $= Index1 (1::GLint)
 
         bindBuffer ArrayBuffer $= Just (hud ^. hudVBO)

src/Types.hs

@@ -11,7 +11,7 @@ import Linear.Matrix (M44)
 import Linear (V3)
 import Control.Monad.RWS.Strict (RWST, liftIO, get)
 import Control.Monad.Writer.Strict
-import Control.Monad (when)
+--import Control.Monad (when)
 import Control.Lens
 import Graphics.Rendering.OpenGL.GL.Texturing.Objects (TextureObject)
 import Render.Types
@@ -111,7 +111,6 @@ data GLMapState = GLMapState
     , _stateMap             :: !GL.BufferObject
     , _mapVert              :: !GL.NumArrayIndices
     , _mapProgram           :: !GL.Program
-    , _renderedMapTexture   :: !TextureObject --TODO: Probably move to UI?
     , _overviewTexture      :: !TextureObject
     , _shadowMapTexture     :: !TextureObject
     , _mapTextures          :: ![TextureObject] --TODO: Fix size on list?
@@ -174,8 +173,8 @@ data GLState = GLState
 
 data UIState = UIState
     { _uiHasChanged        :: !Bool
-    , _uiMap               :: !(Map.HashMap UIId (GUIWidget Pioneers))
+    , _uiMap               :: Map.HashMap UIId (GUIWidget Pioneers)
-    , _uiObserverEvents    :: !(Map.HashMap EventKey [EventHandler Pioneers])
+    , _uiObserverEvents    :: Map.HashMap EventKey [EventHandler Pioneers]
     , _uiRoots             :: !([UIId])
     , _uiButtonState       :: !UIButtonState
     }
@@ -183,6 +182,7 @@ data UIState = UIState
 data State = State
     { _window              :: !WindowState
     , _camera              :: TVar CameraState
+    , _mapTexture          :: TVar TextureObject
     , _camStack            :: TVar (Map.HashMap UIId (CameraState, TextureObject))
     , _io                  :: !IOState
     , _mouse               :: !MouseState