From f5f1f760cda8d82835389ada0da71cf7e83be56e Mon Sep 17 00:00:00 2001
From: Jonas Betzendahl <jbetzend@techfak.uni-bielefeld.de>
Date: Sun, 27 Apr 2014 23:49:15 +0200
Subject: [PATCH 01/18] Added first test suite with first test (questionable
 .cabal though)

---
 Pioneers.cabal         | 31 +++++++++++++++++++++++++++++++
 src/Map/Map.hs         |  2 +-
 tests/MainTestSuite.hs | 20 ++++++++++++++++++++
 3 files changed, 52 insertions(+), 1 deletion(-)
 create mode 100644 tests/MainTestSuite.hs

diff --git a/Pioneers.cabal b/Pioneers.cabal
index 4aad55e..633c0c5 100644
--- a/Pioneers.cabal
+++ b/Pioneers.cabal
@@ -12,6 +12,8 @@ executable Pioneers
     ghc-options:     -Wall -Odph -rtsopts -threaded -fno-liberate-case -funfolding-use-threshold1000 -funfolding-keeness-factor1000 -optlo-O3 -fllvm
   }
   other-modules:
+                   Map.Map,
+                   Map.Combinators,
                    Map.Types,
                    Map.Graphics,
                    Map.Creation,
@@ -49,3 +51,32 @@ executable Pioneers
                    attoparsec-binary >= 0.1
   Default-Language: Haskell2010
 
+test-suite QuickCheckTests
+  type:              exitcode-stdio-1.0
+  hs-source-dirs:    tests, src
+  main-is:           MainTestSuite.hs
+  build-depends:     base,
+                     OpenGL >=2.9,
+                     bytestring >=0.10,
+                     OpenGLRaw >=1.4,
+                     text >=0.11,
+                     array >=0.4,
+                     random >=1.0.1,
+                     transformers >=0.3.0,
+                     unordered-containers >= 0.2.1,
+                     hashable >= 1.0.1.1,
+                     mtl >=2.1.2,
+                     stm >=2.4.2,
+                     vector >=0.10.9 && <0.11,
+                     distributive >=0.3.2,
+                     linear >=1.3.1,
+                     lens >=4.0,
+                     SDL2 >= 0.1.0,
+                     time >=1.4.0,
+                     GLUtil >= 0.7,
+                     attoparsec >= 0.11.2,
+                     attoparsec-binary >= 0.1,
+                     QuickCheck,
+                     test-framework,
+                     test-framework-quickcheck2
+  Default-Language: Haskell2010
diff --git a/src/Map/Map.hs b/src/Map/Map.hs
index e358cee..ba697c0 100644
--- a/src/Map/Map.hs
+++ b/src/Map/Map.hs
@@ -40,5 +40,5 @@ giveNeighbourhood mp n (a,b) = let ns = giveNeighbours mp (a,b) in
 remdups :: Ord a => [a] -> [a]
 remdups = map head . group . sort
 
-prop_rd_idempot :: Ord a => [a] -> Bool
+prop_rd_idempot :: [Int] -> Bool
 prop_rd_idempot xs = remdups xs == (remdups . remdups) xs
diff --git a/tests/MainTestSuite.hs b/tests/MainTestSuite.hs
new file mode 100644
index 0000000..9c46a05
--- /dev/null
+++ b/tests/MainTestSuite.hs
@@ -0,0 +1,20 @@
+module Main where
+
+import Test.Framework
+import Test.Framework.Providers.QuickCheck2
+ 
+import Map.Map
+
+main :: IO ()
+main = defaultMain tests
+ 
+tests :: [Test]
+tests =
+  [
+    testGroup "Map.Map"
+    [
+       testProperty "remdups idempotency" prop_rd_idempot
+    ]
+  ]
+
+

From 777c868de0aee39f58d272c7f5ebdb2abddfdc83 Mon Sep 17 00:00:00 2001
From: Jonas Betzendahl <jbetzend@techfak.uni-bielefeld.de>
Date: Mon, 28 Apr 2014 10:37:31 +0200
Subject: [PATCH 02/18] Fixed shadowing in aplAll

---
 src/Map/Creation.hs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Map/Creation.hs b/src/Map/Creation.hs
index d677cdd..da0a12b 100644
--- a/src/Map/Creation.hs
+++ b/src/Map/Creation.hs
@@ -31,7 +31,7 @@ aplByNode :: (Node -> Node) -> (Node -> Bool) -> PlayMap -> PlayMap
 aplByNode f g mp = array (bounds mp) (map (\(ab,c) -> (if g c then (ab, f c) else (ab,c))) (assocs mp)) 
 
 aplAll :: [a -> a] -> a -> a
-aplAll fs m = foldl (\ m f -> f m) m fs
+aplAll fs m = foldl (\ n f -> f n) m fs
 
 -- general 3D-Gaussian
 gauss3Dgeneral :: Floating q =>

From 07dac9aad1bc0955d49bc2b32fd181fd72b9e523 Mon Sep 17 00:00:00 2001
From: Jonas Betzendahl <jbetzend@techfak.uni-bielefeld.de>
Date: Mon, 28 Apr 2014 16:34:13 +0200
Subject: [PATCH 03/18] Added first test suite for Mapping

---
 Pioneers.cabal            |  5 +++--
 src/Map/Map.hs            |  3 ---
 tests/MainTestSuite.hs    | 20 --------------------
 tests/Map/MapTestSuite.hs | 23 +++++++++++++++++++++++
 4 files changed, 26 insertions(+), 25 deletions(-)
 delete mode 100644 tests/MainTestSuite.hs
 create mode 100644 tests/Map/MapTestSuite.hs

diff --git a/Pioneers.cabal b/Pioneers.cabal
index 633c0c5..de59517 100644
--- a/Pioneers.cabal
+++ b/Pioneers.cabal
@@ -53,8 +53,8 @@ executable Pioneers
 
 test-suite QuickCheckTests
   type:              exitcode-stdio-1.0
-  hs-source-dirs:    tests, src
-  main-is:           MainTestSuite.hs
+  hs-source-dirs:    tests/Map, src
+  main-is:           MapTestSuite.hs
   build-depends:     base,
                      OpenGL >=2.9,
                      bytestring >=0.10,
@@ -78,5 +78,6 @@ test-suite QuickCheckTests
                      attoparsec-binary >= 0.1,
                      QuickCheck,
                      test-framework,
+                     test-framework-th,
                      test-framework-quickcheck2
   Default-Language: Haskell2010
diff --git a/src/Map/Map.hs b/src/Map/Map.hs
index ba697c0..7ea3593 100644
--- a/src/Map/Map.hs
+++ b/src/Map/Map.hs
@@ -39,6 +39,3 @@ giveNeighbourhood mp n (a,b) = let ns = giveNeighbours mp (a,b) in
 -- removing duplicates in O(n log n), losing order and adding Ord requirement
 remdups :: Ord a => [a] -> [a]
 remdups = map head . group . sort
-
-prop_rd_idempot :: [Int] -> Bool
-prop_rd_idempot xs = remdups xs == (remdups . remdups) xs
diff --git a/tests/MainTestSuite.hs b/tests/MainTestSuite.hs
deleted file mode 100644
index 9c46a05..0000000
--- a/tests/MainTestSuite.hs
+++ /dev/null
@@ -1,20 +0,0 @@
-module Main where
-
-import Test.Framework
-import Test.Framework.Providers.QuickCheck2
- 
-import Map.Map
-
-main :: IO ()
-main = defaultMain tests
- 
-tests :: [Test]
-tests =
-  [
-    testGroup "Map.Map"
-    [
-       testProperty "remdups idempotency" prop_rd_idempot
-    ]
-  ]
-
-
diff --git a/tests/Map/MapTestSuite.hs b/tests/Map/MapTestSuite.hs
new file mode 100644
index 0000000..e6a715d
--- /dev/null
+++ b/tests/Map/MapTestSuite.hs
@@ -0,0 +1,23 @@
+{-# LANGUAGE TemplateHaskell #-}
+
+module Main where
+
+import Test.QuickCheck
+
+import Test.Framework
+import Test.Framework.TH
+import Test.Framework.Providers.QuickCheck2
+
+import Map.Map
+ 
+main :: IO ()
+main = $(defaultMainGenerator)
+
+prop_rd_idempot :: [Int] -> Bool
+prop_rd_idempot xs = remdups xs == (remdups . remdups) xs
+
+prop_rd_length :: [Int] -> Bool
+prop_rd_length xs = length (remdups xs) <= length xs
+
+prop_rd_sorted :: [Int] -> Property
+prop_rd_sorted xs = (not . null) xs ==> head (remdups xs) == minimum xs

From 6c4e63f085d70acf8ac2679d3bd26d87f19b35db Mon Sep 17 00:00:00 2001
From: Jonas Betzendahl <jbetzend@techfak.uni-bielefeld.de>
Date: Tue, 29 Apr 2014 00:18:38 +0200
Subject: [PATCH 04/18] cosmetics

---
 Pioneers.cabal         |  2 +-
 src/Map/Combinators.hs |  2 +-
 src/Map/Creation.hs    | 12 +-----------
 3 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/Pioneers.cabal b/Pioneers.cabal
index de59517..ec1f70a 100644
--- a/Pioneers.cabal
+++ b/Pioneers.cabal
@@ -51,7 +51,7 @@ executable Pioneers
                    attoparsec-binary >= 0.1
   Default-Language: Haskell2010
 
-test-suite QuickCheckTests
+test-suite MapTests
   type:              exitcode-stdio-1.0
   hs-source-dirs:    tests/Map, src
   main-is:           MapTestSuite.hs
diff --git a/src/Map/Combinators.hs b/src/Map/Combinators.hs
index 9dabb89..7837fac 100644
--- a/src/Map/Combinators.hs
+++ b/src/Map/Combinators.hs
@@ -31,7 +31,7 @@ gaussMountain :: Int -> PlayMap -> PlayMap
 gaussMountain seed mp = aplByPlace (liftUp c) (\(_,_) -> True) mp
   where
     g   = mkStdGen seed
-    c   = head $ randomRs (bounds mp) g
+    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
     fi  = fromIntegral
diff --git a/src/Map/Creation.hs b/src/Map/Creation.hs
index da0a12b..b5d4ec3 100644
--- a/src/Map/Creation.hs
+++ b/src/Map/Creation.hs
@@ -2,19 +2,9 @@ module Map.Creation
 where
 
 import Map.Types
-import Map.Map
+-- import Map.Map unused (for now)
 
 import Data.Array
-import System.Random
-
--- Orphan instance since this isn't where either Random nor Tuples are defined
-instance (Random x, Random y) => Random (x, y) where
-  randomR ((x1, y1), (x2, y2)) gen1 = let (a, gen2) = randomR (x1, x2) gen1
-                                          (b, gen3) = randomR (y1, y2) gen2
-                                      in ((a, b), gen3)
-
-  random                       gen1 = let (a, gen2) = random gen1
-                                          (b, gen3) = random gen2 in ((a,b), gen3)
 
 -- | Generate a new Map of given Type and Size
 --

From 683b72a413b356d99635d31ddc6ed0fae9e22955 Mon Sep 17 00:00:00 2001
From: Jonas Betzendahl <jbetzend@techfak.uni-bielefeld.de>
Date: Tue, 29 Apr 2014 01:05:05 +0200
Subject: [PATCH 05/18] Refactoring & more cosmetics

---
 Pioneers.cabal         |  1 -
 src/Map/Combinators.hs | 46 ------------------------------
 src/Map/Creation.hs    | 53 +++++++++++++++++++++++++++++++++++
 src/Map/Graphics.hs    |  6 ++--
 src/Map/StaticMaps.hs  | 63 +++++++++++++++++++++---------------------
 5 files changed, 86 insertions(+), 83 deletions(-)
 delete mode 100644 src/Map/Combinators.hs

diff --git a/Pioneers.cabal b/Pioneers.cabal
index ec1f70a..fadfec1 100644
--- a/Pioneers.cabal
+++ b/Pioneers.cabal
@@ -13,7 +13,6 @@ executable Pioneers
   }
   other-modules:
                    Map.Map,
-                   Map.Combinators,
                    Map.Types,
                    Map.Graphics,
                    Map.Creation,
diff --git a/src/Map/Combinators.hs b/src/Map/Combinators.hs
deleted file mode 100644
index 7837fac..0000000
--- a/src/Map/Combinators.hs
+++ /dev/null
@@ -1,46 +0,0 @@
-module Map.Combinators where
-
-import Map.Types
-import Map.Creation
-
-import Data.Array
-import System.Random
-
--- preliminary
-infix 5 ->-
-(->-) :: (PlayMap -> PlayMap) -> (PlayMap -> PlayMap) -> PlayMap -> PlayMap
-f ->- g = g . f
-
--- also preliminary
-infix 5 -<-
-(-<-) :: (PlayMap -> PlayMap) -> (PlayMap -> PlayMap) -> PlayMap -> PlayMap
-f -<- g = f . g
-
-lake :: Int -> PlayMap -> PlayMap
-lake = undefined
-
-river :: Int -> PlayMap -> PlayMap
-river = undefined
-
-mnt :: IO [PlayMap -> PlayMap]
-mnt = do g <- newStdGen
-         let seeds = take 10 $ 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
-    fi  = fromIntegral
-    htt = heightToTerrain
-
-    -- TODO: Fix Lambda to True with sensible function, maybe rework giveNeighbourhood in Map.Map
-    liftUp :: (Int, Int) -> Node -> Node
-    liftUp (gx,gz) (Full     (x,z) y _ b pl pa r s) = let y_neu = max y e
-                                                      in  Full (x,z) y_neu (htt GrassIslandMap y_neu) b pl pa r s
-      where e = gauss3Dgeneral amp (fi gx) (fi gz) sig sig (fi x) (fi z)
-    liftUp (gx, gz) (Minimal (x,z)) = Full (x,z) e (htt GrassIslandMap e) BFlag NoPlayer NoPath Plain []
-      where e = gauss3Dgeneral amp (fi gx) (fi gz) sig sig (fi x) (fi z)
diff --git a/src/Map/Creation.hs b/src/Map/Creation.hs
index b5d4ec3..554cb6c 100644
--- a/src/Map/Creation.hs
+++ b/src/Map/Creation.hs
@@ -2,9 +2,25 @@ module Map.Creation
 where
 
 import Map.Types
+import Map.StaticMaps
 -- import Map.Map unused (for now)
 
 import Data.Array
+import System.Random
+
+-- preliminary
+infix 5 ->-
+(->-) :: (PlayMap -> PlayMap) -> (PlayMap -> PlayMap) -> PlayMap -> PlayMap
+f ->- g = g . f
+
+-- also preliminary
+infix 5 -<-
+(-<-) :: (PlayMap -> PlayMap) -> (PlayMap -> PlayMap) -> PlayMap -> PlayMap
+f -<- g = f . g
+
+exportedMap :: IO PlayMap
+exportedMap = do mounts <- mnt
+                 return $ aplAll mounts mapEmpty
 
 -- | Generate a new Map of given Type and Size
 --
@@ -23,6 +39,9 @@ aplByNode f g mp = array (bounds mp) (map (\(ab,c) -> (if g c then (ab, f c) els
 aplAll :: [a -> a] -> a -> a
 aplAll fs m = foldl (\ n f -> f n) m fs
 
+aplAllM :: Monad m => [m a -> m a] -> m a -> m a
+aplAllM fs x = foldl (\ n f -> f n) x fs
+
 -- general 3D-Gaussian
 gauss3Dgeneral :: Floating q =>
                   q    -- ^ Amplitude
@@ -58,3 +77,37 @@ heightToTerrain GrassIslandMap y
                 | y < 10    = Hill
                 | otherwise = Mountain
 heightToTerrain _ _ = undefined
+
+
+lake :: Int -> PlayMap -> PlayMap
+lake = undefined
+
+river :: Int -> PlayMap -> PlayMap
+river = undefined
+
+mnt :: IO [PlayMap -> PlayMap]
+mnt = do g <- newStdGen
+         let seeds = take 10 $ 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
+    fi  = fromIntegral
+    htt = heightToTerrain
+
+    -- TODO: Fix Lambda to True with sensible function, maybe rework giveNeighbourhood in Map.Map
+    liftUp :: (Int, Int) -> Node -> Node
+    liftUp (gx,gz) (Full     (x,z) y _ b pl pa r s) = let y_neu = max y e
+                                                      in  Full (x,z) y_neu (htt GrassIslandMap y_neu) b pl pa r s
+      where e = gauss3Dgeneral amp (fi gx) (fi gz) sig sig (fi x) (fi z)
+    liftUp (gx, gz) (Minimal (x,z)) = Full (x,z) e (htt GrassIslandMap e) BFlag NoPlayer NoPath Plain []
+      where e = gauss3Dgeneral amp (fi gx) (fi gz) sig sig (fi x) (fi z)
+
+-- | Makes sure the edges of the Map are mountain-free
+makeIsland :: PlayMap -> PlayMap
+makeIsland = undefined -- tomorrow....
diff --git a/src/Map/Graphics.hs b/src/Map/Graphics.hs
index 5cc198a..858b1f4 100644
--- a/src/Map/Graphics.hs
+++ b/src/Map/Graphics.hs
@@ -30,9 +30,7 @@ import Linear
 import Control.Arrow         ((***))
 
 import Map.Types
-import Map.StaticMaps
 import Map.Creation
-import Map.Combinators
 
 type Height = Float
 
@@ -91,8 +89,8 @@ fgVertexIndex = (ToFloat, mapVertexArrayDescriptor 3 7) --vertex after normal
 
 getMapBufferObject :: IO (BufferObject, NumArrayIndices)
 getMapBufferObject = do
-        mountains <- mnt
-        myMap'  <- return $ convertToGraphicsMap $ convertToStripeMap $ aplAll mountains mapEmpty
+        eMap    <- exportedMap
+        myMap'  <- return $ convertToGraphicsMap $ convertToStripeMap eMap
         ! myMap <- return $ generateTriangles myMap'
         len <- return $ fromIntegral $ P.length myMap `div` numComponents
         putStrLn $ P.unwords ["num verts in map:",show len]
diff --git a/src/Map/StaticMaps.hs b/src/Map/StaticMaps.hs
index 74ea371..5ef9942 100644
--- a/src/Map/StaticMaps.hs
+++ b/src/Map/StaticMaps.hs
@@ -3,48 +3,47 @@ where
 
 import Map.Types
 import Data.Array
-import Map.Creation
 
 -- entirely empty map, only uses the minimal constructor
 mapEmpty :: PlayMap
 mapEmpty = array ((0,0), (199,199)) [((a,b), Minimal (a,b)) | a <- [0..199], b <- [0..199]]
 
-mapCenterMountain :: PlayMap
-mapCenterMountain = array ((0,0),(199,199)) nodes
-    where
-      nodes    = water ++ beach ++ grass ++ hill ++ mountain
-      water    = [((a,b), Full (a,b) 0.0       Ocean    BNothing NoPlayer NoPath Plain []) | a <- [0..199], b <- [0..199], m2d (a,b) > 95]
-      beach    = [((a,b), Full (a,b) (g2d a b) Beach    BNothing NoPlayer NoPath Plain []) | a <- [0..199], b <- [0..199], m2d (a,b) <= 95, m2d (a,b) > 75]
-      grass    = [((a,b), Full (a,b) (g2d a b) Grass    BNothing NoPlayer NoPath Plain []) | a <- [0..199], b <- [0..199], m2d (a,b) <= 75, m2d (a,b) > 25]
-      hill     = [((a,b), Full (a,b) (g2d a b) Hill     BNothing NoPlayer NoPath Plain []) | a <- [0..199], b <- [0..199], m2d (a,b) <= 25, m2d (a,b) > 10]
-      mountain = [((a,b), Full (a,b) (g2d a b) Mountain BNothing NoPlayer NoPath Plain []) | a <- [0..199], b <- [0..199], m2d (a,b) <= 10]
+--mapCenterMountain :: PlayMap
+--mapCenterMountain = array ((0,0),(199,199)) nodes
+--    where
+--      nodes    = water ++ beach ++ grass ++ hill ++ mountain
+--      water    = [((a,b), Full (a,b) 0.0       Ocean    BNothing NoPlayer NoPath Plain []) | a <- [0..199], b <- [0..199], m2d (a,b) > 95]
+--      beach    = [((a,b), Full (a,b) (g2d a b) Beach    BNothing NoPlayer NoPath Plain []) | a <- [0..199], b <- [0..199], m2d (a,b) <= 95, m2d (a,b) > 75]
+--      grass    = [((a,b), Full (a,b) (g2d a b) Grass    BNothing NoPlayer NoPath Plain []) | a <- [0..199], b <- [0..199], m2d (a,b) <= 75, m2d (a,b) > 25]
+--      hill     = [((a,b), Full (a,b) (g2d a b) Hill     BNothing NoPlayer NoPath Plain []) | a <- [0..199], b <- [0..199], m2d (a,b) <= 25, m2d (a,b) > 10]
+--      mountain = [((a,b), Full (a,b) (g2d a b) Mountain BNothing NoPlayer NoPath Plain []) | a <- [0..199], b <- [0..199], m2d (a,b) <= 10]
 
-      g2d :: Int -> Int -> Float
-      g2d x y = gauss3D (fromIntegral x) (fromIntegral y)
+--      g2d :: Int -> Int -> Float
+--      g2d x y = gauss3D (fromIntegral x) (fromIntegral y)
 
-      m2d :: (Int,Int) -> Int
-      m2d (x,y) = mnh2D (x,y) (100,100)
+--      m2d :: (Int,Int) -> Int
+--      m2d (x,y) = mnh2D (x,y) (100,100)
 
 -- small helper for some hills. Should be replaced by multi-layer perlin-noise
 -- TODO: Replace as given in comment.
-_noisyMap :: (Floating q) => q -> q -> q
-_noisyMap x y =    gauss3Dgeneral 15 100.0 100.0 15.0 15.0 x y
-                +  gauss3Dgeneral 5  10.0 10.0 10.0 10.0 x y
-                +  gauss3Dgeneral 5  150.0 120.0 10.0 10.0 x y
-                +  gauss3Dgeneral 5  50.0 75.0 10.0 10.0 x y
+--_noisyMap :: (Floating q) => q -> q -> q
+--_noisyMap x y =    gauss3Dgeneral 15 100.0 100.0 15.0 15.0 x y
+--                +  gauss3Dgeneral 5  10.0 10.0 10.0 10.0 x y
+--                +  gauss3Dgeneral 5  150.0 120.0 10.0 10.0 x y
+--                +  gauss3Dgeneral 5  50.0 75.0 10.0 10.0 x y
 
 -- generates a noisy map
 -- TODO: add real noise to a simple pattern
-mapNoise :: PlayMap
-mapNoise = array ((0,0),(199,199)) nodes
-    where
-      nodes    = [((a,b), Full (a,b)
-                               (height a b)
-                               (heightToTerrain GrassIslandMap $ height a b)
-                               BNothing
-                               NoPlayer
-                               NoPath
-                               Plain
-                               []) | a <- [0..199], b <- [0..199]]
-                 where
-                    height a b = _noisyMap (fromIntegral a) (fromIntegral b)
+--mapNoise :: PlayMap
+--mapNoise = array ((0,0),(199,199)) nodes
+--    where
+--      nodes    = [((a,b), Full (a,b)
+--                               (height a b)
+--                               (heightToTerrain GrassIslandMap $ height a b)
+--                               BNothing
+--                               NoPlayer
+--                               NoPath
+--                               Plain
+--                               []) | a <- [0..199], b <- [0..199]]
+--                 where
+--                    height a b = _noisyMap (fromIntegral a) (fromIntegral b)

From 1f6551cf08b6d328101ceaa868f06b583914ae58 Mon Sep 17 00:00:00 2001
From: Stefan Dresselhaus <sdressel@techfak.uni-bielefeld.de>
Date: Fri, 2 May 2014 16:15:58 +0200
Subject: [PATCH 06/18] WIP DOES NOT WORK

---
 src/Render/Render.hs | 28 ++++++++++++++++++++++++++++
 src/Types.hs         |  6 ++++++
 2 files changed, 34 insertions(+)

diff --git a/src/Render/Render.hs b/src/Render/Render.hs
index 6b3e4d3..a8fafe1 100644
--- a/src/Render/Render.hs
+++ b/src/Render/Render.hs
@@ -22,6 +22,7 @@ import           Types
 import           Render.Misc
 import           Render.Types
 import           Graphics.GLUtil.BufferObjects              (makeBuffer)
+import		 Importer.IQM.Parser
 
 mapVertexShaderFile :: String
 mapVertexShaderFile = "shaders/map/vertex.shader"
@@ -32,6 +33,11 @@ mapTessEvalShaderFile = "shaders/map/tessEval.shader"
 mapFragmentShaderFile :: String
 mapFragmentShaderFile = "shaders/map/fragment.shader"
 
+objectVertexShaderFile :: String
+objectVertexShaderFile = "shaders/objects/vertex.shader"
+objectFragmentShaderFile :: String
+objectFragmentShaderFile = "shaders/objects/fragment.shader"
+
 uiVertexShaderFile :: String
 uiVertexShaderFile = "shaders/ui/vertex.shader"
 uiFragmentShaderFile :: String
@@ -113,6 +119,21 @@ initMapShader tessFac (buf, vertDes) = do
 
    texts <- genObjectNames 6
    
+   testobj <- parseIQM "sample.iqm"
+
+   let
+	objs = [GLObject testobj (Coord3D 0 10 0)]
+
+   ! vertexSource' <- B.readFile objectVertexShaderFile
+   ! fragmentSource' <- B.readFile objectFragmentShaderFile
+   vertexShader' <- compileShaderSource VertexShader vertexSource'
+   checkError "compile Object-Vertex"
+   fragmentShader' <- compileShaderSource FragmentShader fragmentSource'
+   checkError "compile Object-Fragment"
+   objProgram <- createProgramUsing [vertexShader', fragmentShader']
+   checkError "compile Object-Program"
+   
+   currentProgram $= Just objProgram
 
    checkError "initShader"
    return GLMapState
@@ -132,6 +153,8 @@ initMapShader tessFac (buf, vertDes) = do
         , _mapVert            = vertDes
         , _overviewTexture    = overTex
         , _mapTextures        = texts
+	, _mapObjects         = objs
+	, _objectProgram      = objProgram
         }
 
 initHud :: IO GLHud
@@ -354,6 +377,11 @@ render = do
         cullFace $= Just Front
 
         glDrawArrays gl_PATCHES 0 (fromIntegral numVert)
+
+
+	currentProgram $= Just (state ^. gl.glMap.objectProgram)
+	
+
         checkError "draw map"
 
         -- set sample 1 as target in renderbuffer
diff --git a/src/Types.hs b/src/Types.hs
index 115796a..c75dce9 100644
--- a/src/Types.hs
+++ b/src/Types.hs
@@ -13,7 +13,9 @@ import Control.Lens
 import Graphics.Rendering.OpenGL.GL.Texturing.Objects (TextureObject)
 import Render.Types
 import UI.UIBaseData
+import Importer.IQM.Types
 
+data Coord3D a = Coord3D a a a
 
 --Static Read-Only-State
 data Env = Env
@@ -113,8 +115,12 @@ data GLMapState = GLMapState
     , _renderedMapTexture   :: !TextureObject --TODO: Probably move to UI?
     , _overviewTexture      :: !TextureObject
     , _mapTextures          :: ![TextureObject] --TODO: Fix size on list?
+    , _objectProgram        :: !GL.Program
+    , _mapObjects           :: ![GLObject]
     }
 
+data GLObject = GLObject IQM (Coord3D Double)
+
 data GLHud = GLHud
     { _hudTexture               :: !TextureObject       -- ^ HUD-Texture itself
     , _hudTexIndex              :: !GL.UniformLocation  -- ^ Position of Overlay-Texture in Shader

From 91fbbb73505337291d31e3bb27a8f08050b62fff Mon Sep 17 00:00:00 2001
From: Stefan Dresselhaus <sdressel@techfak.uni-bielefeld.de>
Date: Sat, 3 May 2014 15:17:33 +0200
Subject: [PATCH 07/18] started to render iqm - nothing visible now.

---
 shaders/mapobjects/fragment.shader    | 157 ++++++++++++++++++++++++++
 shaders/mapobjects/tessControl.shader |  27 +++++
 shaders/mapobjects/tessEval.shader    | 149 ++++++++++++++++++++++++
 shaders/mapobjects/vertex.shader      |  18 +++
 src/Render/Render.hs                  |  12 ++
 src/Types.hs                          |  10 ++
 6 files changed, 373 insertions(+)
 create mode 100644 shaders/mapobjects/fragment.shader
 create mode 100644 shaders/mapobjects/tessControl.shader
 create mode 100644 shaders/mapobjects/tessEval.shader
 create mode 100644 shaders/mapobjects/vertex.shader

diff --git a/shaders/mapobjects/fragment.shader b/shaders/mapobjects/fragment.shader
new file mode 100644
index 0000000..ec6ac9f
--- /dev/null
+++ b/shaders/mapobjects/fragment.shader
@@ -0,0 +1,157 @@
+#version 330
+
+//#include "3rdParty/noise.glsl"
+
+vec3 mod289(vec3 x) {
+  return x - floor(x * (1.0 / 289.0)) * 289.0;
+}
+
+vec4 mod289(vec4 x) {
+  return x - floor(x * (1.0 / 289.0)) * 289.0;
+}
+
+vec4 permute(vec4 x) {
+     return mod289(((x*34.0)+1.0)*x);
+}
+
+vec4 taylorInvSqrt(vec4 r)
+{
+  return 1.79284291400159 - 0.85373472095314 * r;
+}
+
+float snoise(vec3 v)
+  { 
+  const vec2  C = vec2(1.0/6.0, 1.0/3.0) ;
+  const vec4  D = vec4(0.0, 0.5, 1.0, 2.0);
+
+// First corner
+  vec3 i  = floor(v + dot(v, C.yyy) );
+  vec3 x0 =   v - i + dot(i, C.xxx) ;
+
+// Other corners
+  vec3 g = step(x0.yzx, x0.xyz);
+  vec3 l = 1.0 - g;
+  vec3 i1 = min( g.xyz, l.zxy );
+  vec3 i2 = max( g.xyz, l.zxy );
+
+  //   x0 = x0 - 0.0 + 0.0 * C.xxx;
+  //   x1 = x0 - i1  + 1.0 * C.xxx;
+  //   x2 = x0 - i2  + 2.0 * C.xxx;
+  //   x3 = x0 - 1.0 + 3.0 * C.xxx;
+  vec3 x1 = x0 - i1 + C.xxx;
+  vec3 x2 = x0 - i2 + C.yyy; // 2.0*C.x = 1/3 = C.y
+  vec3 x3 = x0 - D.yyy;      // -1.0+3.0*C.x = -0.5 = -D.y
+
+// Permutations
+  i = mod289(i); 
+  vec4 p = permute( permute( permute( 
+             i.z + vec4(0.0, i1.z, i2.z, 1.0 ))
+           + i.y + vec4(0.0, i1.y, i2.y, 1.0 )) 
+           + i.x + vec4(0.0, i1.x, i2.x, 1.0 ));
+
+// Gradients: 7x7 points over a square, mapped onto an octahedron.
+// The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294)
+  float n_ = 0.142857142857; // 1.0/7.0
+  vec3  ns = n_ * D.wyz - D.xzx;
+
+  vec4 j = p - 49.0 * floor(p * ns.z * ns.z);  //  mod(p,7*7)
+
+  vec4 x_ = floor(j * ns.z);
+  vec4 y_ = floor(j - 7.0 * x_ );    // mod(j,N)
+
+  vec4 x = x_ *ns.x + ns.yyyy;
+  vec4 y = y_ *ns.x + ns.yyyy;
+  vec4 h = 1.0 - abs(x) - abs(y);
+
+  vec4 b0 = vec4( x.xy, y.xy );
+  vec4 b1 = vec4( x.zw, y.zw );
+
+  //vec4 s0 = vec4(lessThan(b0,0.0))*2.0 - 1.0;
+  //vec4 s1 = vec4(lessThan(b1,0.0))*2.0 - 1.0;
+  vec4 s0 = floor(b0)*2.0 + 1.0;
+  vec4 s1 = floor(b1)*2.0 + 1.0;
+  vec4 sh = -step(h, vec4(0.0));
+
+  vec4 a0 = b0.xzyw + s0.xzyw*sh.xxyy ;
+  vec4 a1 = b1.xzyw + s1.xzyw*sh.zzww ;
+
+  vec3 p0 = vec3(a0.xy,h.x);
+  vec3 p1 = vec3(a0.zw,h.y);
+  vec3 p2 = vec3(a1.xy,h.z);
+  vec3 p3 = vec3(a1.zw,h.w);
+
+//Normalise gradients
+  vec4 norm = taylorInvSqrt(vec4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3)));
+  p0 *= norm.x;
+  p1 *= norm.y;
+  p2 *= norm.z;
+  p3 *= norm.w;
+
+// Mix final noise value
+  vec4 m = max(0.6 - vec4(dot(x0,x0), dot(x1,x1), dot(x2,x2), dot(x3,x3)), 0.0);
+  m = m * m;
+  return 42.0 * dot( m*m, vec4( dot(p0,x0), dot(p1,x1), 
+                                dot(p2,x2), dot(p3,x3) ) );
+  }
+
+float fog(float dist) {
+    dist = max(0,dist - 50);
+    dist = dist * 0.05;
+//    dist = dist*dist;
+    return 1-exp(-dist);
+}
+
+smooth in vec3 teNormal;
+smooth in vec3 tePosition;
+smooth in float fogDist;
+smooth in float gmix;
+in vec4 teColor;
+
+out vec4 fgColor;
+
+uniform mat4 ViewMatrix;
+uniform mat4 ProjectionMatrix;
+
+void main(void)
+{
+    //fog color
+    vec4 fogColor = vec4(0.6,0.7,0.8,1.0);
+
+    //heliospheric lighting
+    vec4 light = vec4(1.0,1.0,1.0,1.0);
+    vec4 dark  = vec4(0.0,0.0,0.0,1.0);
+    //direction to sun from origin
+    vec3 lightDir = normalize(ViewMatrix * vec4(5.0,5.0,1.0,0.0)).xyz;
+
+    float costheta = dot(teNormal, lightDir);
+    float a = costheta * 0.5 + 0.5;
+
+    //create gravel-texel
+    vec3 uvw = tePosition;
+    // Six components of noise in a fractal sum
+    //float n = snoise(uvw * 10);
+    float n = 0;
+    n += 0.5 * snoise(uvw * 20.0);
+    //n += 0.25 * snoise(uvw * 40.0);
+    //n += 0.125 * snoise(uvw * 80.0);
+    //n += 0.0625 * snoise(uvw * 160.0);
+    //n += 0.03125 * snoise(uvw * 320.0);
+    n = abs(n*2);//[0,1]
+
+    //dirt
+    float d = snoise(uvw);
+    d += 0.5 * snoise(uvw * 2);
+    d += 0.25 * snoise(uvw * 4);
+    d = d/3*2 +0.5;
+
+    //                  base, dirt, noise-level*(above 0?)*(linear blend by y)
+    vec4 texBase = mix(teColor, vec4(0.45,0.27,0.1,1),d*d*step(0.01,tePosition.y)*clamp(tePosition.y/2,0,2));
+    //                  stone highlights
+    vec4 texHighlights = mix(texBase, vec4(0.9*n,0.9*n,0.9*n,1),n*n*n);
+    //mix highlights into Color with inclination, if inclination^2 > 0.35
+    vec4 texColor = mix(texBase,texHighlights, (gmix*(1-gmix))*4*(gmix*(1-gmix))*4);
+    vec4 Color = texColor;
+
+    fgColor = Color * mix(dark, light, a);
+    fgColor = mix(fgColor,fogColor,fog(fogDist));
+}
\ No newline at end of file
diff --git a/shaders/mapobjects/tessControl.shader b/shaders/mapobjects/tessControl.shader
new file mode 100644
index 0000000..e7a5d25
--- /dev/null
+++ b/shaders/mapobjects/tessControl.shader
@@ -0,0 +1,27 @@
+#version 330
+#extension GL_ARB_tessellation_shader : require
+
+layout(vertices = 3) out;
+in vec3 vPosition[];
+in vec4 vColor[];
+in vec3 vNormal[];
+out vec3 tcPosition[];
+out vec4 tcColor[];
+out vec3 tcNormal[];
+uniform float TessLevelInner = 1.0; // controlled by keyboard buttons
+uniform float TessLevelOuter = 1.0; // controlled by keyboard buttons
+
+#define ID gl_InvocationID
+
+void main()
+{
+    tcPosition[ID] = vPosition[ID];
+    tcColor[ID] = vColor[ID];
+    tcNormal[ID] = vNormal[ID];
+    if (ID == 0) {
+        gl_TessLevelInner[0] = TessLevelInner;
+        gl_TessLevelOuter[0] = TessLevelOuter;
+        gl_TessLevelOuter[1] = TessLevelOuter;
+        gl_TessLevelOuter[2] = TessLevelOuter;
+    }
+}
\ No newline at end of file
diff --git a/shaders/mapobjects/tessEval.shader b/shaders/mapobjects/tessEval.shader
new file mode 100644
index 0000000..51cc5b3
--- /dev/null
+++ b/shaders/mapobjects/tessEval.shader
@@ -0,0 +1,149 @@
+#version 330
+
+#extension GL_ARB_tessellation_shader : require
+
+//#include "shaders/3rdParty/noise.glsl"
+
+vec3 mod289(vec3 x) {
+  return x - floor(x * (1.0 / 289.0)) * 289.0;
+}
+
+vec4 mod289(vec4 x) {
+  return x - floor(x * (1.0 / 289.0)) * 289.0;
+}
+
+vec4 permute(vec4 x) {
+     return mod289(((x*34.0)+1.0)*x);
+}
+
+vec4 taylorInvSqrt(vec4 r)
+{
+  return 1.79284291400159 - 0.85373472095314 * r;
+}
+
+float snoise(vec3 v)
+  {
+  const vec2  C = vec2(1.0/6.0, 1.0/3.0) ;
+  const vec4  D = vec4(0.0, 0.5, 1.0, 2.0);
+
+// First corner
+  vec3 i  = floor(v + dot(v, C.yyy) );
+  vec3 x0 =   v - i + dot(i, C.xxx) ;
+
+// Other corners
+  vec3 g = step(x0.yzx, x0.xyz);
+  vec3 l = 1.0 - g;
+  vec3 i1 = min( g.xyz, l.zxy );
+  vec3 i2 = max( g.xyz, l.zxy );
+
+  //   x0 = x0 - 0.0 + 0.0 * C.xxx;
+  //   x1 = x0 - i1  + 1.0 * C.xxx;
+  //   x2 = x0 - i2  + 2.0 * C.xxx;
+  //   x3 = x0 - 1.0 + 3.0 * C.xxx;
+  vec3 x1 = x0 - i1 + C.xxx;
+  vec3 x2 = x0 - i2 + C.yyy; // 2.0*C.x = 1/3 = C.y
+  vec3 x3 = x0 - D.yyy;      // -1.0+3.0*C.x = -0.5 = -D.y
+
+// Permutations
+  i = mod289(i);
+  vec4 p = permute( permute( permute(
+             i.z + vec4(0.0, i1.z, i2.z, 1.0 ))
+           + i.y + vec4(0.0, i1.y, i2.y, 1.0 ))
+           + i.x + vec4(0.0, i1.x, i2.x, 1.0 ));
+
+// Gradients: 7x7 points over a square, mapped onto an octahedron.
+// The ring size 17*17 = 289 is close to a multiple of 49 (49*6 = 294)
+  float n_ = 0.142857142857; // 1.0/7.0
+  vec3  ns = n_ * D.wyz - D.xzx;
+
+  vec4 j = p - 49.0 * floor(p * ns.z * ns.z);  //  mod(p,7*7)
+
+  vec4 x_ = floor(j * ns.z);
+  vec4 y_ = floor(j - 7.0 * x_ );    // mod(j,N)
+
+  vec4 x = x_ *ns.x + ns.yyyy;
+  vec4 y = y_ *ns.x + ns.yyyy;
+  vec4 h = 1.0 - abs(x) - abs(y);
+
+  vec4 b0 = vec4( x.xy, y.xy );
+  vec4 b1 = vec4( x.zw, y.zw );
+
+  //vec4 s0 = vec4(lessThan(b0,0.0))*2.0 - 1.0;
+  //vec4 s1 = vec4(lessThan(b1,0.0))*2.0 - 1.0;
+  vec4 s0 = floor(b0)*2.0 + 1.0;
+  vec4 s1 = floor(b1)*2.0 + 1.0;
+  vec4 sh = -step(h, vec4(0.0));
+
+  vec4 a0 = b0.xzyw + s0.xzyw*sh.xxyy ;
+  vec4 a1 = b1.xzyw + s1.xzyw*sh.zzww ;
+
+  vec3 p0 = vec3(a0.xy,h.x);
+  vec3 p1 = vec3(a0.zw,h.y);
+  vec3 p2 = vec3(a1.xy,h.z);
+  vec3 p3 = vec3(a1.zw,h.w);
+
+//Normalise gradients
+  vec4 norm = taylorInvSqrt(vec4(dot(p0,p0), dot(p1,p1), dot(p2, p2), dot(p3,p3)));
+  p0 *= norm.x;
+  p1 *= norm.y;
+  p2 *= norm.z;
+  p3 *= norm.w;
+
+// Mix final noise value
+  vec4 m = max(0.6 - vec4(dot(x0,x0), dot(x1,x1), dot(x2,x2), dot(x3,x3)), 0.0);
+  m = m * m;
+  return 42.0 * dot( m*m, vec4( dot(p0,x0), dot(p1,x1),
+                                dot(p2,x2), dot(p3,x3) ) );
+  }
+
+
+layout(triangles, equal_spacing, cw) in;
+in vec3 tcPosition[];
+in vec4 tcColor[];
+in vec3 tcNormal[];
+out vec4 teColor;
+smooth out vec3 tePosition;
+smooth out vec3 teNormal;
+smooth out float fogDist;
+smooth out float gmix; //mixture of gravel
+//out vec3 tePatchDistance;
+//constant projection matrix
+uniform mat4 ProjectionMatrix;
+uniform mat4 ViewMatrix;
+uniform mat3 NormalMatrix;
+
+void main()
+{
+    //NORMAL
+    vec3 n0 = gl_TessCoord.x * tcNormal[0];
+    vec3 n1 = gl_TessCoord.y * tcNormal[1];
+    vec3 n2 = gl_TessCoord.z * tcNormal[2];
+    vec3 tessNormal = normalize(n0 + n1 + n2);
+    teNormal = NormalMatrix * tessNormal;
+
+    //POSITION
+    vec3 p0 = gl_TessCoord.x * tcPosition[0];
+    vec3 p1 = gl_TessCoord.y * tcPosition[1];
+    vec3 p2 = gl_TessCoord.z * tcPosition[2];
+    tePosition = p0 + p1 + p2;
+
+    //sin(a,b) = length(cross(a,b))
+    float i0 = (1-gl_TessCoord.x)*gl_TessCoord.x * length(cross(tcNormal[0],tessNormal));
+    float i1 = (1-gl_TessCoord.y)*gl_TessCoord.y * length(cross(tcNormal[1],tessNormal));
+    float i2 = (1-gl_TessCoord.z)*gl_TessCoord.z * length(cross(tcNormal[2],tessNormal));
+    float standout = i0+i1+i2;
+    tePosition = tePosition+tessNormal*standout;
+    tePosition = tePosition+0.05*snoise(tePosition);
+    gl_Position = ProjectionMatrix * ViewMatrix * vec4(tePosition, 1);
+    fogDist = gl_Position.z;
+
+    //COLOR-BLENDING
+    vec4 c0 = (1-exp(gl_TessCoord.x)) * tcColor[0];
+    vec4 c1 = (1-exp(gl_TessCoord.y)) * tcColor[1];
+    vec4 c2 = (1-exp(gl_TessCoord.z)) * tcColor[2];
+    teColor = (c0 + c1 + c2)/((1-exp(gl_TessCoord.x))+(1-exp(gl_TessCoord.y))+(1-exp(gl_TessCoord.z)));
+
+    //mix gravel based on incline (sin (normal,up))
+    gmix = length(cross(tessNormal, vec3(0,1,0)));
+
+}
diff --git a/shaders/mapobjects/vertex.shader b/shaders/mapobjects/vertex.shader
new file mode 100644
index 0000000..c6e3c7c
--- /dev/null
+++ b/shaders/mapobjects/vertex.shader
@@ -0,0 +1,18 @@
+#version 330
+
+//vertex-data
+in vec4 Color;
+in vec3 Position;
+in vec3 Normal;
+
+//output-data for later stages
+out vec4 vColor;
+out vec3 vPosition;
+out vec3 vNormal;
+
+void main()
+{
+    vPosition = Position;
+    vNormal = Normal;
+    vColor = Color;
+}
\ No newline at end of file
diff --git a/src/Render/Render.hs b/src/Render/Render.hs
index 6b3e4d3..64cc307 100644
--- a/src/Render/Render.hs
+++ b/src/Render/Render.hs
@@ -132,6 +132,8 @@ initMapShader tessFac (buf, vertDes) = do
         , _mapVert            = vertDes
         , _overviewTexture    = overTex
         , _mapTextures        = texts
+	, _objectsProgram     = program
+	, _mapObjects         = []
         }
 
 initHud :: IO GLHud
@@ -265,6 +267,10 @@ renderOverview = do
         checkError "draw map"
 -}
 
+renderObject :: MapObject -> IO ()
+renderObject (MapObject model (L.V3 x y z) _{-state-}) = 
+	undefined
+		
 
 render :: Pioneers ()
 render = do
@@ -356,6 +362,12 @@ render = do
         glDrawArrays gl_PATCHES 0 (fromIntegral numVert)
         checkError "draw map"
 
+	---- RENDER MAPOBJECTS --------------------------------------------
+	
+	currentProgram $= Just (state ^. gl.glMap.objectsProgram)
+
+	mapM_ renderObject (state ^. gl.glMap.mapObjects)
+
         -- set sample 1 as target in renderbuffer
         {-framebufferRenderbuffer
                 DrawFramebuffer              --write-only
diff --git a/src/Types.hs b/src/Types.hs
index 115796a..8f6aae6 100644
--- a/src/Types.hs
+++ b/src/Types.hs
@@ -8,11 +8,13 @@ import           Foreign.C                            (CFloat)
 import qualified Data.HashMap.Strict                  as Map
 import           Data.Time                            (UTCTime)
 import Linear.Matrix (M44)
+import Linear (V3)
 import Control.Monad.RWS.Strict (RWST)
 import Control.Lens
 import Graphics.Rendering.OpenGL.GL.Texturing.Objects (TextureObject)
 import Render.Types
 import UI.UIBaseData
+import Importer.IQM.Types
 
 
 --Static Read-Only-State
@@ -113,8 +115,16 @@ data GLMapState = GLMapState
     , _renderedMapTexture   :: !TextureObject --TODO: Probably move to UI?
     , _overviewTexture      :: !TextureObject
     , _mapTextures          :: ![TextureObject] --TODO: Fix size on list?
+    , _objectsProgram       :: !GL.Program
+    , _mapObjects           :: ![MapObject]
     }
 
+data MapObject = MapObject !IQM !MapCoordinates !MapObjectState
+
+data MapObjectState = MapObjectState ()
+
+type MapCoordinates = V3 CFloat
+
 data GLHud = GLHud
     { _hudTexture               :: !TextureObject       -- ^ HUD-Texture itself
     , _hudTexIndex              :: !GL.UniformLocation  -- ^ Position of Overlay-Texture in Shader

From f7cc34b3a0d5250f019260b29ac7a6273e6ff277 Mon Sep 17 00:00:00 2001
From: Stefan Dresselhaus <sdressel@techfak.uni-bielefeld.de>
Date: Mon, 5 May 2014 08:11:33 +0200
Subject: [PATCH 08/18] first try at adaptive performance

---
 src/Main.hs | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/src/Main.hs b/src/Main.hs
index 935f2ec..209ae84 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -228,17 +228,29 @@ run = do
       }
     -}
 
-    mt <- liftIO $ do
-        let double = fromRational.toRational :: (Real a) => a -> Double
+    (mt,tc,sleepAmount) <- liftIO $ do
+        let 	double = fromRational.toRational :: (Real a) => a -> Double
+		targetFramerate = 40.0
+		targetFrametime = 1.0/targetFramerate
+		targetFrametimeμs = targetFrametime * 1000000.0
         now <- getCurrentTime
         diff <- return $ diffUTCTime now (state ^. io.clock) -- get time-diffs
         title <- return $ unwords ["Pioneers @ ",show ((round . double $ 1.0/diff)::Int),"fps"]
         setWindowTitle (env ^. windowObject) title
-        sleepAmount <- return $ floor (max 0 (0.04 - diff))*1000000 -- get time until next frame in microseconds
-        threadDelay sleepAmount
-        return now
+        let 	sleepAmount = floor ((targetFrametime - double diff)*1000000) :: Int -- get time until next frame in microseconds
+		tessChange
+			| (sleepAmount > (floor $0.1*targetFrametimeμs)) && (state ^. gl.glMap.stateTessellationFactor < 5) = ((+)1 :: Int -> Int) 
+									-- > factor < 5 & 10% of frame idle -> increase graphics
+			| sleepAmount < 0 && (state ^. gl.glMap.stateTessellationFactor > 1) = (flip (-) 1 :: Int -> Int)
+									-- frame used up completely -> decrease
+			| otherwise = ((+)0 :: Int -> Int)              -- 0ms > x > 10% -> keep settings
+        when (sleepAmount > 0) $ threadDelay sleepAmount
+	print targetFrametimeμs
+        return (now,tessChange,sleepAmount)
     -- set state with new clock-time
-    modify $ io.clock .~ mt
+    modify $ (io.clock .~ mt)
+           . (gl.glMap.stateTessellationFactor %~ tc)
+    liftIO $ putStrLn $ concat $ ["TessFactor at: ",show (state ^. gl.glMap.stateTessellationFactor), " - slept for ",show sleepAmount, "μs."]
     shouldClose' <- return $ state ^. window.shouldClose
     unless shouldClose' run
 

From c37a49a9480d0a40c8192b67eb3b2df073ca86df Mon Sep 17 00:00:00 2001
From: Stefan Dresselhaus <sdressel@techfak.uni-bielefeld.de>
Date: Mon, 5 May 2014 08:19:07 +0200
Subject: [PATCH 09/18] added missing hsSDL2-stuff to dependencies.

---
 deps/getDeps.sh | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/deps/getDeps.sh b/deps/getDeps.sh
index bde7d1f..4c17d5e 100755
--- a/deps/getDeps.sh
+++ b/deps/getDeps.sh
@@ -14,7 +14,7 @@ fi
 
 if [[ $install -eq 0 ]]
 then
-	sudo apt-get install libsdl2-dev libsdl2-ttf-dev
+	sudo apt-get install libsdl2-dev libsdl2-ttf-dev libsdl2-image-dev libsdl2-mixer-dev
 fi
 
 
@@ -38,6 +38,25 @@ else
 	cd ..
 fi
 
+if [ ! -d "hsSDL2-mixer" ]
+then
+	git clone https://github.com/jdeseno/hs-sdl2-mixer hsSDL2-mixer
+else
+	cd hsSDL2-mixer
+	git pull
+	cd ..
+fi
+
+if [ ! -d "hsSDL2-image" ]
+then
+	git clone https://github.com/jdeseno/hs-sdl2-image hsSDL2-image
+else
+	cd hsSDL2-image
+	git pull
+	cd ..
+fi
+
+
 echo "trying to build"
 
 cabal install haddock
@@ -51,7 +70,7 @@ cabal install --only-dependencies
 cabal build
 cd ..
 
-for t in "hsSDL2-ttf"
+for t in "hsSDL2-ttf" "hsSDL2-mixer" "hsSDL2-image"
 do
 	echo "building ${t}.."
 	cd "${t}"

From 376375008c8044ba6e5cbc25906cf5f5f8a068dc Mon Sep 17 00:00:00 2001
From: Stefan Dresselhaus <sdressel@techfak.uni-bielefeld.de>
Date: Wed, 7 May 2014 09:51:35 +0200
Subject: [PATCH 10/18] tessellation-factor is now adaptive

- tessellation gets reduced in distance
- tess-factor is now adaptive
---
 shaders/map/tessControl.shader | 31 ++++++++++++++++++++++++++-----
 src/Main.hs                    | 12 +++++++-----
 src/Types.hs                   |  1 +
 3 files changed, 34 insertions(+), 10 deletions(-)

diff --git a/shaders/map/tessControl.shader b/shaders/map/tessControl.shader
index e7a5d25..a6f81b1 100644
--- a/shaders/map/tessControl.shader
+++ b/shaders/map/tessControl.shader
@@ -10,6 +10,9 @@ out vec4 tcColor[];
 out vec3 tcNormal[];
 uniform float TessLevelInner = 1.0; // controlled by keyboard buttons
 uniform float TessLevelOuter = 1.0; // controlled by keyboard buttons
+uniform mat4 ProjectionMatrix;
+uniform mat4 ViewMatrix;
+uniform mat3 NormalMatrix;
 
 #define ID gl_InvocationID
 
@@ -18,10 +21,28 @@ void main()
     tcPosition[ID] = vPosition[ID];
     tcColor[ID] = vColor[ID];
     tcNormal[ID] = vNormal[ID];
+    float dist = (ProjectionMatrix * ViewMatrix * vec4(vPosition[ID], 1)).z;
     if (ID == 0) {
-        gl_TessLevelInner[0] = TessLevelInner;
-        gl_TessLevelOuter[0] = TessLevelOuter;
-        gl_TessLevelOuter[1] = TessLevelOuter;
-        gl_TessLevelOuter[2] = TessLevelOuter;
+	if (dist < 30) {
+	        gl_TessLevelInner[0] = TessLevelInner;
+        	gl_TessLevelOuter[0] = TessLevelOuter;
+	        gl_TessLevelOuter[1] = TessLevelOuter;
+        	gl_TessLevelOuter[2] = TessLevelOuter;
+	} else if (dist < 50) {
+	        gl_TessLevelInner[0] = max(TessLevelInner-1.0,1.0);
+        	gl_TessLevelOuter[0] = max(TessLevelOuter-1.0,1.0);
+	        gl_TessLevelOuter[1] = max(TessLevelOuter-1.0,1.0);
+        	gl_TessLevelOuter[2] = max(TessLevelOuter-1.0,1.0);
+	} else if (dist < 100) {
+	        gl_TessLevelInner[0] = max(TessLevelInner-2.0,1.0);
+        	gl_TessLevelOuter[0] = max(TessLevelOuter-2.0,1.0);
+	        gl_TessLevelOuter[1] = max(TessLevelOuter-2.0,1.0);
+        	gl_TessLevelOuter[2] = max(TessLevelOuter-2.0,1.0);
+	} else {
+	        gl_TessLevelInner[0] = 1.0;
+        	gl_TessLevelOuter[0] = 1.0;
+	        gl_TessLevelOuter[1] = 1.0;
+        	gl_TessLevelOuter[2] = 1.0;
+	}
     }
-}
\ No newline at end of file
+}
diff --git a/src/Main.hs b/src/Main.hs
index 209ae84..f033a77 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -132,6 +132,7 @@ main =
                         }
               , _io                  = IOState
                         { _clock               = now
+                        , _tessClockFactor     = 0
                         }
               , _mouse               = MouseState
                         { _isDown              = False
@@ -234,23 +235,24 @@ run = do
 		targetFrametime = 1.0/targetFramerate
 		targetFrametimeμs = targetFrametime * 1000000.0
         now <- getCurrentTime
-        diff <- return $ diffUTCTime now (state ^. io.clock) -- get time-diffs
-        title <- return $ unwords ["Pioneers @ ",show ((round . double $ 1.0/diff)::Int),"fps"]
+        let diff  = diffUTCTime now (state ^. io.clock) -- get time-diffs
+            title = unwords ["Pioneers @ ",show ((round . double $ 1.0/diff)::Int),"fps"]
         setWindowTitle (env ^. windowObject) title
         let 	sleepAmount = floor ((targetFrametime - double diff)*1000000) :: Int -- get time until next frame in microseconds
+                clockFactor = (state ^. io.tessClockFactor)
 		tessChange
-			| (sleepAmount > (floor $0.1*targetFrametimeμs)) && (state ^. gl.glMap.stateTessellationFactor < 5) = ((+)1 :: Int -> Int) 
+			| (clockFactor > (2*targetFrametimeμs)) && (state ^. gl.glMap.stateTessellationFactor < 5) = ((+)1 :: Int -> Int) 
 									-- > factor < 5 & 10% of frame idle -> increase graphics
 			| sleepAmount < 0 && (state ^. gl.glMap.stateTessellationFactor > 1) = (flip (-) 1 :: Int -> Int)
 									-- frame used up completely -> decrease
 			| otherwise = ((+)0 :: Int -> Int)              -- 0ms > x > 10% -> keep settings
         when (sleepAmount > 0) $ threadDelay sleepAmount
-	print targetFrametimeμs
         return (now,tessChange,sleepAmount)
     -- set state with new clock-time
     modify $ (io.clock .~ mt)
            . (gl.glMap.stateTessellationFactor %~ tc)
-    liftIO $ putStrLn $ concat $ ["TessFactor at: ",show (state ^. gl.glMap.stateTessellationFactor), " - slept for ",show sleepAmount, "μs."]
+           . (io.tessClockFactor %~ (((+) (fromIntegral sleepAmount)).((*) 0.99)))
+    -- liftIO $ putStrLn $ concat $ ["TessFactor at: ",show (state ^. gl.glMap.stateTessellationFactor), " - slept for ",show sleepAmount, "μs."]
     shouldClose' <- return $ state ^. window.shouldClose
     unless shouldClose' run
 
diff --git a/src/Types.hs b/src/Types.hs
index 8f6aae6..af45b18 100644
--- a/src/Types.hs
+++ b/src/Types.hs
@@ -51,6 +51,7 @@ data CameraState = CameraState
 
 data IOState = IOState
     { _clock               :: !UTCTime
+    , _tessClockFactor     :: !Double
     }
 
 data GameState = GameState

From a91aad5daabaf4cf52f7dd848e7c528da2aa400e Mon Sep 17 00:00:00 2001
From: Stefan Dresselhaus <sdressel@techfak.uni-bielefeld.de>
Date: Wed, 7 May 2014 10:12:18 +0200
Subject: [PATCH 11/18] better noise-function

---
 shaders/map/tessEval.shader |  3 ++-
 src/Render/Render.hs        | 19 +++++++++++++------
 src/Types.hs                |  5 -----
 3 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/shaders/map/tessEval.shader b/shaders/map/tessEval.shader
index 51cc5b3..2a90b55 100644
--- a/shaders/map/tessEval.shader
+++ b/shaders/map/tessEval.shader
@@ -133,7 +133,8 @@ void main()
     float i2 = (1-gl_TessCoord.z)*gl_TessCoord.z * length(cross(tcNormal[2],tessNormal));
     float standout = i0+i1+i2;
     tePosition = tePosition+tessNormal*standout;
-    tePosition = tePosition+0.05*snoise(tePosition);
+    vec3 tmp = tePosition+1*snoise(tePosition/20);
+    tePosition = vec3(tePosition.x, tmp.y, tePosition.z);
     gl_Position = ProjectionMatrix * ViewMatrix * vec4(tePosition, 1);
     fogDist = gl_Position.z;
 
diff --git a/src/Render/Render.hs b/src/Render/Render.hs
index 23871f3..4878bc2 100644
--- a/src/Render/Render.hs
+++ b/src/Render/Render.hs
@@ -23,6 +23,7 @@ import           Render.Misc
 import           Render.Types
 import           Graphics.GLUtil.BufferObjects              (makeBuffer)
 import		 Importer.IQM.Parser
+import           Importer.IQM.Types
 
 mapVertexShaderFile :: String
 mapVertexShaderFile = "shaders/map/vertex.shader"
@@ -34,9 +35,9 @@ mapFragmentShaderFile :: String
 mapFragmentShaderFile = "shaders/map/fragment.shader"
 
 objectVertexShaderFile :: String
-objectVertexShaderFile = "shaders/objects/vertex.shader"
+objectVertexShaderFile = "shaders/mapobjects/vertex.shader"
 objectFragmentShaderFile :: String
-objectFragmentShaderFile = "shaders/objects/fragment.shader"
+objectFragmentShaderFile = "shaders/mapobjects/fragment.shader"
 
 uiVertexShaderFile :: String
 uiVertexShaderFile = "shaders/ui/vertex.shader"
@@ -122,7 +123,7 @@ initMapShader tessFac (buf, vertDes) = do
    testobj <- parseIQM "sample.iqm"
 
    let
-	objs = [GLObject testobj (Coord3D 0 10 0)]
+	objs = [MapObject testobj (L.V3 0 10 0) (MapObjectState ())]
 
    ! vertexSource' <- B.readFile objectVertexShaderFile
    ! fragmentSource' <- B.readFile objectFragmentShaderFile
@@ -288,9 +289,15 @@ renderOverview = do
         checkError "draw map"
 -}
 
+
+-- | renders an IQM-Model at Position with scaling
+renderIQM :: IQM -> L.V3 CFloat -> L.V3 CFloat -> IO ()
+renderIQM m p@(L.V3 x y z) s@(L.V3 sx sy sz) = do
+	return ()
+
 renderObject :: MapObject -> IO ()
-renderObject (MapObject model (L.V3 x y z) _{-state-}) = 
-	undefined
+renderObject (MapObject model pos@(L.V3 x y z) _{-state-}) = 
+	renderIQM model pos (L.V3 1 1 1)
 		
 
 render :: Pioneers ()
@@ -390,7 +397,7 @@ render = do
 
 	---- RENDER MAPOBJECTS --------------------------------------------
 	
-	currentProgram $= Just (state ^. gl.glMap.objectsProgram)
+	currentProgram $= Just (state ^. gl.glMap.objectProgram)
 
 	mapM_ renderObject (state ^. gl.glMap.mapObjects)
 
diff --git a/src/Types.hs b/src/Types.hs
index dd0d029..3b83f11 100644
--- a/src/Types.hs
+++ b/src/Types.hs
@@ -118,11 +118,6 @@ data GLMapState = GLMapState
     , _overviewTexture      :: !TextureObject
     , _mapTextures          :: ![TextureObject] --TODO: Fix size on list?
     , _objectProgram        :: !GL.Program
-    , _mapObjects           :: ![GLObject]
-    }
-
-data GLObject = GLObject IQM (Coord3D Double)
-    , _objectsProgram       :: !GL.Program
     , _mapObjects           :: ![MapObject]
     }
 

From bd7870a76efe5d1cf44c2d43ed1dae822fd6f6e9 Mon Sep 17 00:00:00 2001
From: Stefan Dresselhaus <sdressel@techfak.uni-bielefeld.de>
Date: Sat, 10 May 2014 17:33:33 +0200
Subject: [PATCH 12/18] forgot change

---
 COMPILING            | 13 ++++++++++---
 src/Render/Render.hs |  4 ----
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/COMPILING b/COMPILING
index b4c7ad9..a4cb00d 100644
--- a/COMPILING
+++ b/COMPILING
@@ -1,6 +1,13 @@
+# on ubuntu14.04 (trusty) and later
+
+just run 
+> ./build.sh
+
+# manual installation
+
 set up external dependencies:
 
-> sudo apt-get install libsdl2-dev
+> sudo apt-get install libsdl2-dev libsdl2-ttf-dev libsdl2-image-dev libsdl2-mixer-dev
 > cd deps && ./getDeps.sh && cd ..
 
 NOTE: ubuntu saucy currently only has libsdl2-dev.2.0.0 in the repositories, but we need libsdl2-dev.2.0.1
@@ -12,8 +19,8 @@ make sure the compiled files are in your PATH (e.g. include $HOME/.cabal/bin in
 
 install dependencies & configure app
 > cabal sandbox init
-> cabal sandbox --add-source deps/hsSDL2
-> cabal sandbox --add-source deps/hsSDL2-ttf
+> cabal sandbox add-source deps/hsSDL2
+> cabal sandbox add-source deps/hsSDL2-ttf
 > cabal install --only-dependencies
 > cabal configure
 
diff --git a/src/Render/Render.hs b/src/Render/Render.hs
index 4878bc2..c6e4369 100644
--- a/src/Render/Render.hs
+++ b/src/Render/Render.hs
@@ -389,10 +389,6 @@ render = do
 
         glDrawArrays gl_PATCHES 0 (fromIntegral numVert)
 
-
-	currentProgram $= Just (state ^. gl.glMap.objectProgram)
-	
-
         checkError "draw map"
 
 	---- RENDER MAPOBJECTS --------------------------------------------

From e4fec7c3de60138f50c0f6ae52b9b7ed738cf36c Mon Sep 17 00:00:00 2001
From: Stefan Dresselhaus <sdressel@techfak.uni-bielefeld.de>
Date: Sat, 10 May 2014 17:33:33 +0200
Subject: [PATCH 13/18] forgot change, fixed compiling

---
 COMPILING            | 13 ++++++++++---
 src/Render/Render.hs |  4 ----
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/COMPILING b/COMPILING
index b4c7ad9..a4cb00d 100644
--- a/COMPILING
+++ b/COMPILING
@@ -1,6 +1,13 @@
+# on ubuntu14.04 (trusty) and later
+
+just run 
+> ./build.sh
+
+# manual installation
+
 set up external dependencies:
 
-> sudo apt-get install libsdl2-dev
+> sudo apt-get install libsdl2-dev libsdl2-ttf-dev libsdl2-image-dev libsdl2-mixer-dev
 > cd deps && ./getDeps.sh && cd ..
 
 NOTE: ubuntu saucy currently only has libsdl2-dev.2.0.0 in the repositories, but we need libsdl2-dev.2.0.1
@@ -12,8 +19,8 @@ make sure the compiled files are in your PATH (e.g. include $HOME/.cabal/bin in
 
 install dependencies & configure app
 > cabal sandbox init
-> cabal sandbox --add-source deps/hsSDL2
-> cabal sandbox --add-source deps/hsSDL2-ttf
+> cabal sandbox add-source deps/hsSDL2
+> cabal sandbox add-source deps/hsSDL2-ttf
 > cabal install --only-dependencies
 > cabal configure
 
diff --git a/src/Render/Render.hs b/src/Render/Render.hs
index 4878bc2..c6e4369 100644
--- a/src/Render/Render.hs
+++ b/src/Render/Render.hs
@@ -389,10 +389,6 @@ render = do
 
         glDrawArrays gl_PATCHES 0 (fromIntegral numVert)
 
-
-	currentProgram $= Just (state ^. gl.glMap.objectProgram)
-	
-
         checkError "draw map"
 
 	---- RENDER MAPOBJECTS --------------------------------------------

From a57cada9459d4bc3af8de651a46c001a96bce98b Mon Sep 17 00:00:00 2001
From: Stefan Dresselhaus <sdressel@techfak.uni-bielefeld.de>
Date: Sat, 10 May 2014 20:22:49 +0200
Subject: [PATCH 14/18] changed SDL to qualified import

---
 src/Main.hs | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/src/Main.hs b/src/Main.hs
index b4eb989..0aa092d 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -27,7 +27,7 @@ import           Foreign.Marshal.Alloc                (allocaBytes)
 import           Control.Lens                         ((^.), (.~), (%~))
 
 -- GUI
-import           Graphics.UI.SDL                      as SDL
+import qualified Graphics.UI.SDL                      as SDL
 
 -- Render
 import qualified Graphics.Rendering.OpenGL.GL         as GL
@@ -65,15 +65,15 @@ testParser a = putStrLn . show  =<< parseIQM a
 
 main :: IO ()
 main =
-    SDL.withInit [InitVideo, InitAudio, InitEvents, InitTimer] $ --also: InitNoParachute -> faster, without parachute!
-      SDL.withWindow "Pioneers" (SDL.Position 100 100) (Size 1024 600) [WindowOpengl     -- we want openGL
-                                                                             ,WindowShown      -- window should be visible
-                                                                             ,WindowResizable  -- and resizable
-                                                                             ,WindowInputFocus -- focused (=> active)
-                                                                             ,WindowMouseFocus -- Mouse into it
+    SDL.withInit [SDL.InitVideo, SDL.InitAudio, SDL.InitEvents, SDL.InitTimer] $ --also: InitNoParachute -> faster, without parachute!
+      SDL.withWindow "Pioneers" (SDL.Position 100 100) (SDL.Size 1024 600) [SDL.WindowOpengl     -- we want openGL
+                                                                             ,SDL.WindowShown      -- window should be visible
+                                                                             ,SDL.WindowResizable  -- and resizable
+                                                                             ,SDL.WindowInputFocus -- focused (=> active)
+                                                                             ,SDL.WindowMouseFocus -- Mouse into it
                                                                              --,WindowInputGrabbed-- never let go of input (KB/Mouse)
                                                                              ] $ \window' -> do
-       withOpenGL window' $ do
+       SDL.withOpenGL window' $ do
 
         --Create Renderbuffer & Framebuffer
         -- We will render to this buffer to copy the result into textures
@@ -82,12 +82,12 @@ main =
         GL.bindFramebuffer GL.Framebuffer GL.$= frameBuffer
         GL.bindRenderbuffer GL.Renderbuffer GL.$= renderBuffer
 
-        (Size fbWidth fbHeight) <- glGetDrawableSize window'
+        (SDL.Size fbWidth fbHeight) <- SDL.glGetDrawableSize window'
         initRendering
         --generate map vertices
         glMap' <- initMapShader 4 =<< getMapBufferObject
         print window'
-        eventQueue <- newTQueueIO :: IO (TQueue Event)
+        eventQueue <- newTQueueIO :: IO (TQueue SDL.Event)
         putStrLn "foo"
         now <- getCurrentTime
         putStrLn "foo"
@@ -181,7 +181,7 @@ run = do
 
     -- draw Scene
     draw
-    liftIO $ glSwapWindow (env ^. windowObject)
+    liftIO $ SDL.glSwapWindow (env ^. windowObject)
     -- getEvents & process
     processEvents
 
@@ -237,7 +237,7 @@ run = do
         now <- getCurrentTime
         let diff  = diffUTCTime now (state ^. io.clock) -- get time-diffs
             title = unwords ["Pioneers @ ",show ((round . double $ 1.0/diff)::Int),"fps"]
-        setWindowTitle (env ^. windowObject) title
+        SDL.setWindowTitle (env ^. windowObject) title
         let 	sleepAmount = floor ((targetFrametime - double diff)*1000000) :: Int -- get time until next frame in microseconds
                 clockFactor = (state ^. io.tessClockFactor)
 		tessChange
@@ -327,14 +327,14 @@ adjustWindow = do
 
 processEvents :: Pioneers ()
 processEvents = do
-    me <- liftIO pollEvent
+    me <- liftIO SDL.pollEvent
     case me of
       Just e -> do
           processEvent e
           processEvents
       Nothing -> return ()
 
-processEvent :: Event -> Pioneers ()
+processEvent :: SDL.Event -> Pioneers ()
 processEvent e = do
     eventCallback e
     -- env <- ask
@@ -343,7 +343,7 @@ processEvent e = do
             case winEvent of
                 SDL.Closing ->
                         modify $ window.shouldClose .~ True
-                SDL.Resized {windowResizedTo=size} -> do
+                SDL.Resized {SDL.windowResizedTo=size} -> do
                         modify $ (window . width .~ SDL.sizeWidth size)
                                . (window . height .~ SDL.sizeHeight size)
                         adjustWindow

From 8dea8d1ed9e94085577a835ecd2cbc59060fb366 Mon Sep 17 00:00:00 2001
From: Stefan Dresselhaus <sdressel@techfak.uni-bielefeld.de>
Date: Sun, 11 May 2014 10:52:45 +0200
Subject: [PATCH 15/18] refined shaders

- grid is now visible
- grid-points are different colored
- tesselated triangles wont get "gridded".
---
 shaders/map/fragment.shader | 14 +++++++++++++-
 shaders/map/tessEval.shader |  2 ++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/shaders/map/fragment.shader b/shaders/map/fragment.shader
index ec6ac9f..e211418 100644
--- a/shaders/map/fragment.shader
+++ b/shaders/map/fragment.shader
@@ -106,6 +106,7 @@ smooth in vec3 tePosition;
 smooth in float fogDist;
 smooth in float gmix;
 in vec4 teColor;
+in vec3 tePatchDistance;
 
 out vec4 fgColor;
 
@@ -116,6 +117,10 @@ void main(void)
 {
     //fog color
     vec4 fogColor = vec4(0.6,0.7,0.8,1.0);
+    //grid color
+    vec4 grid = vec4(0.0,0.0,0.0,1.0);
+    //point color
+    vec4 point = vec4(1.0,0.9,0.1,1.0);
 
     //heliospheric lighting
     vec4 light = vec4(1.0,1.0,1.0,1.0);
@@ -154,4 +159,11 @@ void main(void)
 
     fgColor = Color * mix(dark, light, a);
     fgColor = mix(fgColor,fogColor,fog(fogDist));
-}
\ No newline at end of file
+
+    //mix onto tri-borders
+    float mixer = clamp(exp(1.0-50.0*min(tePatchDistance.x,min(tePatchDistance.y,tePatchDistance.z))),0,1);
+    fgColor = mix(fgColor, grid, mixer);
+    
+    mixer = clamp(exp(1.0-50.0*min(tePatchDistance.x+tePatchDistance.y,min(tePatchDistance.x+tePatchDistance.z,tePatchDistance.y+tePatchDistance.z))),0,1);
+    fgColor = mix(fgColor, point, mixer);
+}
diff --git a/shaders/map/tessEval.shader b/shaders/map/tessEval.shader
index 513df69..c4abf04 100644
--- a/shaders/map/tessEval.shader
+++ b/shaders/map/tessEval.shader
@@ -106,6 +106,7 @@ smooth out vec3 tePosition;
 smooth out vec3 teNormal;
 smooth out float fogDist;
 smooth out float gmix; //mixture of gravel
+out vec3 tePatchDistance;
 //out vec3 tePatchDistance;
 //constant projection matrix
 uniform mat4 ProjectionMatrix;
@@ -126,6 +127,7 @@ void main()
     vec3 p1 = gl_TessCoord.y * tcPosition[1];
     vec3 p2 = gl_TessCoord.z * tcPosition[2];
     tePosition = p0 + p1 + p2;
+    tePatchDistance = gl_TessCoord;
 
     //sin(a,b) = length(cross(a,b))
     float i0 = (1-gl_TessCoord.x)*gl_TessCoord.x * length(cross(tcNormal[0],tessNormal));

From d1adff31d58a35f5fbc4b8935f64035b7179277e Mon Sep 17 00:00:00 2001
From: Stefan Dresselhaus <sdressel@techfak.uni-bielefeld.de>
Date: Sun, 11 May 2014 12:38:39 +0200
Subject: [PATCH 16/18] removed some print-foo

---
 src/Main.hs | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/Main.hs b/src/Main.hs
index 0aa092d..e7c9ac8 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -86,11 +86,8 @@ main =
         initRendering
         --generate map vertices
         glMap' <- initMapShader 4 =<< getMapBufferObject
-        print window'
         eventQueue <- newTQueueIO :: IO (TQueue SDL.Event)
-        putStrLn "foo"
         now <- getCurrentTime
-        putStrLn "foo"
         --font <- TTF.openFont "fonts/ttf-04B_03B_/04B_03B_.TTF" 10
         --TTF.setFontStyle font TTFNormal
         --TTF.setFontHinting font TTFHNormal

From ffc0281ab4d98fc6c21ead6e60e2b99ce4e41e0b Mon Sep 17 00:00:00 2001
From: Stefan Dresselhaus <sdressel@techfak.uni-bielefeld.de>
Date: Sun, 11 May 2014 21:12:53 +0200
Subject: [PATCH 17/18] frame-limiter now works correctly, scaling up/down
 should be smoother

---
 src/Main.hs | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/Main.hs b/src/Main.hs
index e7c9ac8..0a72ba3 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -226,29 +226,32 @@ run = do
       }
     -}
 
-    (mt,tc,sleepAmount) <- liftIO $ do
+    (mt,tc,sleepAmount,frameTime) <- liftIO $ do
         let 	double = fromRational.toRational :: (Real a) => a -> Double
-		targetFramerate = 40.0
+		targetFramerate = 60.0
 		targetFrametime = 1.0/targetFramerate
 		targetFrametimeμs = targetFrametime * 1000000.0
         now <- getCurrentTime
         let diff  = diffUTCTime now (state ^. io.clock) -- get time-diffs
             title = unwords ["Pioneers @ ",show ((round . double $ 1.0/diff)::Int),"fps"]
+            ddiff = double diff
         SDL.setWindowTitle (env ^. windowObject) title
         let 	sleepAmount = floor ((targetFrametime - double diff)*1000000) :: Int -- get time until next frame in microseconds
                 clockFactor = (state ^. io.tessClockFactor)
 		tessChange
-			| (clockFactor > (2*targetFrametimeμs)) && (state ^. gl.glMap.stateTessellationFactor < 5) = ((+)1 :: Int -> Int) 
-									-- > factor < 5 & 10% of frame idle -> increase graphics
-			| sleepAmount < 0 && (state ^. gl.glMap.stateTessellationFactor > 1) = (flip (-) 1 :: Int -> Int)
-									-- frame used up completely -> decrease
+			| (clockFactor < (75*targetFrametime)) && (state ^. gl.glMap.stateTessellationFactor < 5) = ((+)1 :: Int -> Int) 
+										-- > last 100 frames had > 25% leftover (on avg.)
+			| (clockFactor > (110*targetFrametime)) && (state ^. gl.glMap.stateTessellationFactor > 1) = (flip (-) 1 :: Int -> Int)
+									-- > last 100 frames had < 90% of target-fps
 			| otherwise = ((+)0 :: Int -> Int)              -- 0ms > x > 10% -> keep settings
         when (sleepAmount > 0) $ threadDelay sleepAmount
-        return (now,tessChange,sleepAmount)
+	now' <- getCurrentTime
+        return (now',tessChange,sleepAmount,ddiff)
     -- set state with new clock-time
+    liftIO $ putStrLn $ unwords ["clockFactor:",show (state ^. io.tessClockFactor),"\ttc:", show (tc (state ^. gl.glMap.stateTessellationFactor)),"\tsleep ",show frameTime,"ms"]
     modify $ (io.clock .~ mt)
            . (gl.glMap.stateTessellationFactor %~ tc)
-           . (io.tessClockFactor %~ (((+) (fromIntegral sleepAmount)).((*) 0.99)))
+           . (io.tessClockFactor %~ (((+) frameTime).((*) 0.99)))
     -- liftIO $ putStrLn $ concat $ ["TessFactor at: ",show (state ^. gl.glMap.stateTessellationFactor), " - slept for ",show sleepAmount, "μs."]
     shouldClose' <- return $ state ^. window.shouldClose
     unless shouldClose' run

From dba5c9d8098a44421b8b03667d9246c79a4f7ed4 Mon Sep 17 00:00:00 2001
From: Stefan Dresselhaus <sdressel@techfak.uni-bielefeld.de>
Date: Mon, 12 May 2014 11:30:29 +0200
Subject: [PATCH 18/18] removed debug-print

---
 src/Main.hs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Main.hs b/src/Main.hs
index 0a72ba3..9196daf 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -248,7 +248,7 @@ run = do
 	now' <- getCurrentTime
         return (now',tessChange,sleepAmount,ddiff)
     -- set state with new clock-time
-    liftIO $ putStrLn $ unwords ["clockFactor:",show (state ^. io.tessClockFactor),"\ttc:", show (tc (state ^. gl.glMap.stateTessellationFactor)),"\tsleep ",show frameTime,"ms"]
+    --liftIO $ putStrLn $ unwords ["clockFactor:",show (state ^. io.tessClockFactor),"\ttc:", show (tc (state ^. gl.glMap.stateTessellationFactor)),"\tsleep ",show frameTime,"ms"]
     modify $ (io.clock .~ mt)
            . (gl.glMap.stateTessellationFactor %~ tc)
            . (io.tessClockFactor %~ (((+) frameTime).((*) 0.99)))