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Merge branch 'tessallation' into iqm

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This commit is contained in:
Nicole Dresselhaus 2014-05-13 14:11:25 +02:00
commit 4d31866256
5 changed files with 173 additions and 75 deletions
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8
src/Main.hs
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@ -304,6 +304,7 @@ adjustWindow = do
let hudtexid = state ^. gl.glHud.hudTexture
maptexid = state ^. gl.glMap.renderedMapTexture
smaptexid = state ^. gl.glMap.shadowMapTexture
allocaBytes (fbWidth*fbHeight*4) $ \ptr -> do
--default to ugly pink to see if
--somethings go wrong.
@ -320,6 +321,13 @@ adjustWindow = do
textureFilter Texture2D GL.$= ((Linear', Nothing), Linear')
texImage2D Texture2D GL.NoProxy 0 RGBA8 (GL.TextureSize2D fbCWidth fbCHeight) 0
(GL.PixelData GL.RGBA GL.UnsignedByte ptr)
allocaBytes (2048*2048) $ \ptr -> do
let smapdata = genColorData (2048*2048) [0]
pokeArray ptr smapdata
textureBinding Texture2D GL.$= Just smaptexid
textureFilter Texture2D GL.$= ((Nearest,Nothing), Nearest)
texImage2D Texture2D GL.NoProxy 0 GL.DepthComponent16 (GL.TextureSize2D 2048 2048) 0
(GL.PixelData GL.DepthComponent GL.UnsignedByte ptr)
checkError "setting up HUD-Tex"
return renderBuffer
modify $ gl.glRenderbuffer .~ rb

14
src/Map/Creation.hs
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@ -72,9 +72,9 @@ mnh2D (a,b) (c,d) = abs (a-c) + abs (b-d)
heightToTerrain :: MapType -> YCoord -> TileType
heightToTerrain GrassIslandMap y
| y < 0.1 = Ocean
| y < 1 = Beach
| y < 5 = Grass
| y < 10 = Hill
| y < 0.2 = Beach
| y < 1 = Grass
| y < 3 = Hill
| otherwise = Mountain
heightToTerrain _ _ = undefined
@ -87,16 +87,16 @@ river = undefined
mnt :: IO [PlayMap -> PlayMap]
mnt = do g <- newStdGen
let seeds = take 10 $ randoms g
return $ map (gaussMountain) seeds
let seeds = take 50 $ randoms g
return $ map gaussMountain seeds
gaussMountain :: Int -> PlayMap -> PlayMap
gaussMountain seed mp = aplByPlace (liftUp c) (\(_,_) -> True) mp
where
g = mkStdGen seed
c = let ((a,b), (x,y)) = bounds mp in (head (randomRs (a,x) g), (head (randomRs (b,y) g)))
amp = head $ randomRs (5.0, 20.0) g
sig = head $ randomRs (5.0, 25.0) g
amp = head $ randomRs (2.0, 5.0) g
sig = head $ randomRs (1.0, 5.0) g
fi = fromIntegral
htt = heightToTerrain

17
src/Render/Misc.hs
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@ -1,4 +1,3 @@
{-# LANGUAGE ForeignFunctionInterface #-}
module Render.Misc where
import Control.Monad
@ -75,6 +74,16 @@ createFrustum fov n' f' rat =
(V4 0 0 (-((f+n)/(f-n))) (-((2*f*n)/(f-n))))
(V4 0 0 (-1) 0)
-- | Creates an orthogonal frustum with given width, height, near and far-plane
createFrustumOrtho :: Float -> Float -> Float -> Float -> M44 CFloat
createFrustumOrtho w' h' n' f' =
let [w,h,n,f] = map realToFrac [w',h',n',f']
in
V4 (V4 (0.5/w) 0 0 0)
(V4 0 (0.5/h) 0 0)
(V4 0 0 (-2/(f-n)) ((-f+n)/(f-n)))
(V4 0 0 0 1)
-- from vmath.h
lookAt :: V3 CFloat -> V3 CFloat -> V3 CFloat -> M44 CFloat
lookAt eye center up' =
@ -128,5 +137,9 @@ tryWithTexture t f fail' =
genColorData :: Int -- ^ Amount
-> [Int8] -- ^ [r,g,b,a], [r,g,b] - whatever should be repeatet.
-> [Int8]
genColorData n c = take ((length c)*n) (cycle c)
genColorData n c = take (length c*n) (cycle c)
-- from GLUtil
-- |Allocate and fill a 'BufferObject' from a list of 'Storable's.
makeBuffer :: Storable a => BufferTarget -> [a] -> IO BufferObject
makeBuffer target elems = makeBufferLen target (length elems) elems

185
src/Render/Render.hs
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@ -7,7 +7,7 @@ import Foreign.Storable
import Graphics.Rendering.OpenGL.GL
import Graphics.Rendering.OpenGL.Raw.Core31
import Graphics.Rendering.OpenGL.Raw.ARB.TessellationShader
import Graphics.GLUtil.BufferObjects (offset0)
import Graphics.GLUtil.BufferObjects
import qualified Linear as L
import Control.Lens ((^.))
import Control.Monad.RWS.Strict (liftIO)
@ -33,6 +33,8 @@ mapTessEvalShaderFile :: String
mapTessEvalShaderFile = "shaders/map/tessEval.shader"
mapFragmentShaderFile :: String
mapFragmentShaderFile = "shaders/map/fragment.shader"
mapFragmentShaderShadowMapFile :: String
mapFragmentShaderShadowMapFile = "shaders/map/fragmentShadow.shader"
objectVertexShaderFile :: String
objectVertexShaderFile = "shaders/mapobjects/vertex.shader"
@ -66,6 +68,7 @@ initMapShader tessFac (buf, vertDes) = do
! tessControlSource <- B.readFile mapTessControlShaderFile
! tessEvalSource <- B.readFile mapTessEvalShaderFile
! fragmentSource <- B.readFile mapFragmentShaderFile
! fragmentShadowSource <- B.readFile mapFragmentShaderShadowMapFile
vertexShader <- compileShaderSource VertexShader vertexSource
checkError "compile Vertex"
tessControlShader <- compileShaderSource TessControlShader tessControlSource
@ -74,7 +77,10 @@ initMapShader tessFac (buf, vertDes) = do
checkError "compile TessEval"
fragmentShader <- compileShaderSource FragmentShader fragmentSource
checkError "compile Frag"
fragmentShadowShader <- compileShaderSource FragmentShader fragmentShadowSource
checkError "compile Frag"
program <- createProgramUsing [vertexShader, tessControlShader, tessEvalShader, fragmentShader]
shadowProgram <- createProgramUsing [vertexShader, tessControlShader, tessEvalShader, fragmentShadowShader]
checkError "compile Program"
currentProgram $= Just program
@ -120,6 +126,8 @@ initMapShader tessFac (buf, vertDes) = do
texts <- genObjectNames 6
smap <- genObjectName
testobj <- parseIQM "sample.iqm"
let
@ -137,25 +145,31 @@ initMapShader tessFac (buf, vertDes) = do
currentProgram $= Just objProgram
checkError "initShader"
let sdata = MapShaderData
{ shdrVertexIndex = vertexIndex
, shdrColorIndex = colorIndex
, shdrNormalIndex = normalIndex
, shdrProjMatIndex = projectionMatrixIndex
, shdrViewMatIndex = viewMatrixIndex
, shdrModelMatIndex = modelMatrixIndex
, shdrNormalMatIndex = normalMatrixIndex
, shdrTessInnerIndex = tessLevelInner
, shdrTessOuterIndex = tessLevelOuter
}
return GLMapState
{ _mapProgram = program
, _shdrColorIndex = colorIndex
, _shdrNormalIndex = normalIndex
, _shdrVertexIndex = vertexIndex
, _shdrProjMatIndex = projectionMatrixIndex
, _shdrViewMatIndex = viewMatrixIndex
, _shdrModelMatIndex = modelMatrixIndex
, _shdrNormalMatIndex = normalMatrixIndex
, _shdrTessInnerIndex = tessLevelInner
, _shdrTessOuterIndex = tessLevelOuter
, _mapShaderData = sdata
, _renderedMapTexture = tex
, _stateTessellationFactor = tessFac
, _stateMap = buf
, _mapVert = vertDes
, _overviewTexture = overTex
, _mapTextures = texts
, _shadowMapTexture = smap
, _mapObjects = objs
, _objectProgram = objProgram
, _shadowMapProgram = shadowProgram
}
initHud :: IO GLHud
@ -190,7 +204,7 @@ initHud = do
att <- get (activeAttribs program)
putStrLn $ unlines $ "Attributes: ":map show att
putStrLn $ unlines $ ["Indices: ", show (texIndex)]
putStrLn $ unlines $ ["Indices: ", show texIndex]
checkError "initHud"
return GLHud
@ -299,38 +313,125 @@ renderObject :: MapObject -> IO ()
renderObject (MapObject model pos@(L.V3 x y z) _{-state-}) =
renderIQM model pos (L.V3 1 1 1)
drawMap :: Pioneers ()
drawMap = do
state <- RWS.get
let
d = state ^. gl.glMap.mapShaderData
vi = shdrVertexIndex d
ni = shdrNormalIndex d
ci = shdrColorIndex d
numVert = state ^. gl.glMap.mapVert
map' = state ^. gl.glMap.stateMap
tessFac = state ^. gl.glMap.stateTessellationFactor
(UniformLocation tli) = shdrTessInnerIndex d
(UniformLocation tlo) = shdrTessOuterIndex d
liftIO $ do
glUniform1f tli (fromIntegral tessFac)
glUniform1f tlo (fromIntegral tessFac)
bindBuffer ArrayBuffer $= Just map'
vertexAttribPointer ci $= fgColorIndex
vertexAttribArray ci $= Enabled
vertexAttribPointer ni $= fgNormalIndex
vertexAttribArray ni $= Enabled
vertexAttribPointer vi $= fgVertexIndex
vertexAttribArray vi $= Enabled
checkError "beforeDraw"
glPatchParameteri gl_PATCH_VERTICES 3
cullFace $= Just Front
glDrawArrays gl_PATCHES 0 (fromIntegral numVert)
checkError "draw map"
---- RENDER MAPOBJECTS --------------------------------------------
currentProgram $= Just (state ^. gl.glMap.objectProgram)
mapM_ renderObject (state ^. gl.glMap.mapObjects)
-- set sample 1 as target in renderbuffer
{-framebufferRenderbuffer
DrawFramebuffer --write-only
(ColorAttachment 1) --sample 1
Renderbuffer --const
rb --buffer-}
render :: Pioneers ()
render = do
state <- RWS.get
let xa = state ^. camera.xAngle
ya = state ^. camera.yAngle
(UniformLocation proj) = state ^. gl.glMap.shdrProjMatIndex
(UniformLocation nmat) = state ^. gl.glMap.shdrNormalMatIndex
(UniformLocation vmat) = state ^. gl.glMap.shdrViewMatIndex
(UniformLocation tli) = state ^. gl.glMap.shdrTessInnerIndex
(UniformLocation tlo) = state ^. gl.glMap.shdrTessOuterIndex
vi = state ^. gl.glMap.shdrVertexIndex
ni = state ^. gl.glMap.shdrNormalIndex
ci = state ^. gl.glMap.shdrColorIndex
numVert = state ^. gl.glMap.mapVert
map' = state ^. gl.glMap.stateMap
frust = state ^. camera.Types.frustum
camPos = state ^. camera.camObject
zDist' = state ^. camera.zDist
tessFac = state ^. gl.glMap.stateTessellationFactor
d = state ^. gl.glMap.mapShaderData
(UniformLocation proj) = shdrProjMatIndex d
(UniformLocation nmat) = shdrNormalMatIndex d
(UniformLocation vmat) = shdrViewMatIndex d
liftIO $ do
---- RENDER MAP IN TEXTURE ------------------------------------------
bindFramebuffer Framebuffer $= (state ^. gl.glFramebuffer)
bindRenderbuffer Renderbuffer $= (state ^. gl.glRenderbuffer)
{-bindRenderbuffer Renderbuffer $= (state ^. gl.glRenderbuffer)
framebufferRenderbuffer
Framebuffer
DepthAttachment
Renderbuffer
(state ^. gl.glRenderbuffer)
textureBinding Texture2D $= Just (state ^. gl.glMap.renderedMapTexture)
(state ^. gl.glRenderbuffer)-}
-- SHADOWMAP
textureBinding Texture2D $= Just (state ^. gl.glMap.shadowMapTexture)
framebufferTexture2D
Framebuffer
DepthAttachment
Texture2D
(state ^. gl.glMap.shadowMapTexture)
0
drawBuffer $= NoBuffers --color-buffer is not needed but must(?) be set up
checkError "setup Render-Target"
clear [DepthBuffer]
checkError "clearing shadowmap-buffer"
--TODO: simplified program for shadows?
currentProgram $= Just (state ^. gl.glMap.mapProgram)
checkError "setting up shadowmap-program"
--set up projection (= copy from state)
--TODO: Fix width/depth
with (distribute (createFrustumOrtho 20 20 0 100)) $ \ptr ->
glUniformMatrix4fv proj 1 0 (castPtr (ptr :: Ptr (L.M44 CFloat)))
checkError "copy shadowmap-projection"
--set up camera
--TODO: Fix magic constants... and camPos
let ! cam = getCam camPos 1 0.7 0
with (distribute cam) $ \ptr ->
glUniformMatrix4fv vmat 1 0 (castPtr (ptr :: Ptr (L.M44 CFloat)))
checkError "copy shadowmap-cam"
--set up normal--Mat transpose((model*camera)^-1)
--needed?
let normal' = (case L.inv33 (fmap (^. L._xyz) cam ^. L._xyz) of
(Just a) -> a
Nothing -> L.eye3) :: L.M33 CFloat
nmap = collect id normal' :: L.M33 CFloat --transpose...
with (distribute nmap) $ \ptr ->
glUniformMatrix3fv nmat 1 0 (castPtr (ptr :: Ptr (L.M33 CFloat)))
checkError "nmat"
drawMap
liftIO $ do
checkError "draw ShadowMap"
-- COLORMAP
textureBinding Texture2D $= Just (state ^. gl.glMap.renderedMapTexture)
framebufferTexture2D
Framebuffer
(ColorAttachment 0)
@ -371,38 +472,8 @@ render = do
checkError "nmat"
glUniform1f tli (fromIntegral tessFac)
glUniform1f tlo (fromIntegral tessFac)
bindBuffer ArrayBuffer $= Just map'
vertexAttribPointer ci $= fgColorIndex
vertexAttribArray ci $= Enabled
vertexAttribPointer ni $= fgNormalIndex
vertexAttribArray ni $= Enabled
vertexAttribPointer vi $= fgVertexIndex
vertexAttribArray vi $= Enabled
checkError "beforeDraw"
glPatchParameteri gl_PATCH_VERTICES 3
cullFace $= Just Front
glDrawArrays gl_PATCHES 0 (fromIntegral numVert)
checkError "draw map"
---- RENDER MAPOBJECTS --------------------------------------------
currentProgram $= Just (state ^. gl.glMap.objectProgram)
mapM_ renderObject (state ^. gl.glMap.mapObjects)
-- set sample 1 as target in renderbuffer
{-framebufferRenderbuffer
DrawFramebuffer --write-only
(ColorAttachment 1) --sample 1
Renderbuffer --const
rb --buffer-}
drawMap --draw map -> put to another function for readability
liftIO $ do
---- COMPOSE RENDERING --------------------------------------------
-- Render to BackBuffer (=Screen)

24
src/Types.hs
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@ -101,24 +101,30 @@ data KeyboardState = KeyboardState
data GLMapState = GLMapState
{ _shdrVertexIndex :: !GL.AttribLocation
, _shdrColorIndex :: !GL.AttribLocation
, _shdrNormalIndex :: !GL.AttribLocation
, _shdrProjMatIndex :: !GL.UniformLocation
, _shdrViewMatIndex :: !GL.UniformLocation
, _shdrModelMatIndex :: !GL.UniformLocation
, _shdrNormalMatIndex :: !GL.UniformLocation
, _shdrTessInnerIndex :: !GL.UniformLocation
, _shdrTessOuterIndex :: !GL.UniformLocation
{ _mapShaderData :: !MapShaderData
, _stateTessellationFactor :: !Int
, _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?
, _objectProgram :: !GL.Program
, _mapObjects :: ![MapObject]
, _shadowMapProgram :: !GL.Program
}
data MapShaderData = MapShaderData
{ shdrVertexIndex :: !GL.AttribLocation
, shdrColorIndex :: !GL.AttribLocation
, shdrNormalIndex :: !GL.AttribLocation
, shdrProjMatIndex :: !GL.UniformLocation
, shdrViewMatIndex :: !GL.UniformLocation
, shdrModelMatIndex :: !GL.UniformLocation
, shdrNormalMatIndex :: !GL.UniformLocation
, shdrTessInnerIndex :: !GL.UniformLocation
, shdrTessOuterIndex :: !GL.UniformLocation
}
data MapObject = MapObject !IQM !MapCoordinates !MapObjectState