Add hard edge to non-visible areas

shader/lighting/lineShadow.geom

@@ -3,14 +3,14 @@ layout (lines_adjacency) in;
 layout (triangle_strip, max_vertices = 4) out;
 layout (std140, binding = 0) uniform TheMat { mat4 theMat; } ;
 uniform vec3 lightPos;
-vec4 shift (vec4 p) { return (vec4 (p.xyz + (2000*(p.xyz-lightPos)), 1));}
+vec4 shift (vec4 p) { return (vec4 (p.xyz + (1000*(p.xyz-lightPos)), 1));}
 vec4 f (vec4 p) {return (theMat * p);}
 void main()
 {
     vec4 p0 = gl_in[0].gl_Position;
     vec3 n0 = gl_in[2].gl_Position.xyz;
     vec3 n1 = gl_in[3].gl_Position.xyz;
-    vec3 n2 = n0 + n1; // assumes the summands are normalized
+    //vec3 n2 = n0 + n1; // assumes the summands are normalized
     vec3 lightDir = p0.xyz - lightPos.xyz;
     // first test if the edge is part of the silhouette
     // that is, if the normals of the faces connected by the edge point in

shader/lighting/occlude.frag

@@ -2,5 +2,5 @@
 out vec4 fColor;
 void main()
 {
-  fColor = vec4 (0.9,0.5,0,0);
+  fColor = vec4 (0.9,0.5,0,1);
 }

shader/lighting/occlude.geom

@@ -34,18 +34,36 @@ vec4 a6 = theMat * p6;
 vec4 a7 = theMat * p7;
 vec4 a8 = theMat * p8;
 
-  gl_Position = a4; EmitVertex();
+  //gl_Position = a4; EmitVertex();
-  gl_Position = a3; EmitVertex();
+  //gl_Position = a3; EmitVertex();
-  gl_Position = a7; EmitVertex();
+  //gl_Position = a7; EmitVertex();
-  gl_Position = a8; EmitVertex();
+  //gl_Position = a8; EmitVertex();
+  //gl_Position = a5; EmitVertex();
+  //gl_Position = a3; EmitVertex();
+  //gl_Position = a1; EmitVertex();
+  //gl_Position = a4; EmitVertex();
+  //gl_Position = a2; EmitVertex();
+  //gl_Position = a7; EmitVertex();
+  //gl_Position = a6; EmitVertex();
+
+  gl_Position = a1; EmitVertex();
   gl_Position = a5; EmitVertex();
   gl_Position = a3; EmitVertex();
-  gl_Position = a1; EmitVertex();
+  gl_Position = a8; EmitVertex();
   gl_Position = a4; EmitVertex();
-  gl_Position = a2; EmitVertex();
   gl_Position = a7; EmitVertex();
+  gl_Position = a2; EmitVertex();
   gl_Position = a6; EmitVertex();
 
+  //gl_Position = a5; EmitVertex();
+  //gl_Position = a1; EmitVertex();
+  //gl_Position = a8; EmitVertex();
+  //gl_Position = a3; EmitVertex();
+  //gl_Position = a7; EmitVertex();
+  //gl_Position = a4; EmitVertex();
+  //gl_Position = a6; EmitVertex();
+  //gl_Position = a2; EmitVertex();
+
   EndPrimitive();
 } else {}
 }

shader/lighting/wall.geom

@@ -11,7 +11,8 @@ float isLHS (vec2 startV, vec2 testV)
     return sign( -startV.x * testV.y + startV.y * testV.x);
 }
 vec4 shiftCloser (vec4 v)
-{ return vec4 (v.xy , v.z-0.0001 , v.w) ; }
+{ return vec4 (v.xy , v.z , v.w) ; }
+//{ return vec4 (v.xy , v.z-0.0001 , v.w) ; }
 void main()
 {
 vec4 p1 = vec4 (gl_in[0].gl_Position.xy,0,1);

shader/wall/blank.geom

@@ -21,8 +21,8 @@ void main()
   vec4 a1 = theMat * p1;
   vec4 a2 = theMat * p2;
 //  if (0 > isLHS (a1.xy - a2.xy, a1.xy - "viewFromPoint")) {
-    vec4 p3 = vec4 (p1.xy,150,1);
+    vec4 p3 = vec4 (p1.xy,100,1);
-    vec4 p4 = vec4 (p2.xy,150,1);
+    vec4 p4 = vec4 (p2.xy,100,1);
     vec4 a3 = theMat * p3;
     vec4 a4 = theMat * p4;
 

shader/wall/texture.geom

@@ -17,8 +17,8 @@ void main()
 
 vec4 p1 = vec4 (gl_in[0].gl_Position.xy,0,1);
 vec4 p2 = vec4 (gl_in[0].gl_Position.zw,0,1);
-vec4 p3 = vec4 (p1.xy,150,1);
+vec4 p3 = vec4 (p1.xy,100,1);
-vec4 p4 = vec4 (p2.xy,150,1);
+vec4 p4 = vec4 (p2.xy,100,1);
 
 vec4 a1 = theMat * p1;
 vec4 a2 = theMat * p2;

src/Dodge/Creature/Inanimate.hs

@@ -17,7 +17,7 @@ import Dodge.WorldEvent.Sound
 import Dodge.Creature.Update hiding (CRUpdate)
 import Picture
 import qualified IntMapHelp as IM
-import Geometry
+--import Geometry
 import Geometry.Vector3D
 import Polyhedra
 

src/Dodge/Render.hs

@@ -11,7 +11,7 @@ import Dodge.Base
 --import Dodge.Render.MenuScreen
 import Dodge.Render.Picture
 --import Dodge.Render.PerspectiveMatrix
-import Geometry
+--import Geometry
 import Geometry.Data
 --import Picture
 import Render
@@ -67,6 +67,14 @@ doDrawing pdata w = do
     createLightMap pdata (w ^. config . shadow_resolution) wallPoints lightPoints viewFroms
         (foregroundPics w) scPol
     clear [DepthBuffer]
+    
+    nWalls <- F.foldM (pokeShader $ _lightingOccludeShader pdata) (map Render22 wallPoints)
+    bindShaderBuffers [_lightingOccludeShader pdata] [nWalls]
+    currentProgram $= Just (_shaderProgram $ _lightingOccludeShader pdata)
+    uniform (head $  _shaderCustomUnis $ _lightingOccludeShader pdata)
+            $= Vector2 viewFromx viewFromy  
+    drawShader (_lightingOccludeShader pdata) nWalls
+
     depthFunc $= Just Less
     -- set blending to depend upon the alpha level already present
     blendFuncSeparate    $= ((SrcAlphaSaturate, OneMinusSrcAlpha), (Zero,One))

src/Dodge/Room/Foreground.hs

@@ -51,10 +51,7 @@ diagonalLinesRect pa pb w d ang = zip lhsPoints $ map findDiPoint lhsPoints
 highPipe :: Float -> Point2 -> Point2 -> [Polyhedra]
 highPipe h x@(xx,xy) y = 
     [ Polyhedron . map (map ( (,orange) . (+.+.+ (xx,xy,h)))) 
-        $ boxABC (a,b,0) (a',b',0) (0,0,10)
+        $ boxABC (a,b,0) (a',b',0) (0,0,5)
---    ,verticalPipe 5 orange x 0 100 
---    ,verticalPipe 5 orange y 0 100 
---    ,verticalPipe 5 orange (0.5 *.* (x +.+ y)) 50 100 
     ]
   where
     (a,b) = y -.- x

src/Render.hs

@@ -65,54 +65,48 @@ createLightMap pdata resDiv wallPoints lightPoints (viewFromx,viewFromy) fpics s
     -- set the viewport size to that of the render buffer
     viewport $= (vppos, divideSize resDiv vpsize)
     bindFramebuffer Framebuffer $= _spareFBO pdata
-
     -- store wall and light positions into buffer
     nWallLights <- F.foldM (pokeShader $ _lightingWallShader pdata) (map Render22 wallPoints)
     bindShaderBuffers [_lightingWallShader pdata] [nWallLights]
     nWalls <- F.foldM (pokeShader $ _lightingOccludeShader pdata) (map Render22 wallPoints)
     bindShaderBuffers [_lightingOccludeShader pdata] [nWalls]
-
     -- store foreground silhouette geometry into buffer
     nSils <- F.foldM (pokeShader $ _lightingLineShadowShader pdata) (concatMap polyToRender fpics)
     bindShaderBuffers [_lightingLineShadowShader pdata] [nSils]
-
     -- store foreground geometry and floor into buffer
     let addC (xx,yy) = (xx,yy,0)
     nsurfVs <- F.foldM (pokeShader (_lightingSurfaceShader pdata)) 
         $ [Render3 $ polyToTris $ map addC $ scPol ]
         ++ concatMap polyToGeoRender (fpics)
     bindShaderBuffers [_lightingSurfaceShader pdata] [nsurfVs]
-
-
 -- clear buffer to full alpha and furthest depth
 -- clearColor is specified in preloadRender
     clear [ColorBuffer,DepthBuffer]
--- draw walls from your point of view in order to set z buffer
-    colorMask $= Color4 Disabled Disabled Disabled Disabled
-    currentProgram $= Just (_shaderProgram $ _lightingOccludeShader pdata)
-    uniform (head $  _shaderCustomUnis $ _lightingOccludeShader pdata)
-            $= Vector2 viewFromx viewFromy  
     cullFace $= Just Back
-    drawShader (_lightingOccludeShader pdata) nWalls
+-- draw walls from your point of view in order to set z buffer
-
+    currentProgram $= Just (_shaderProgram $ _lightingWallShader pdata)
-    cullFace $= Nothing
+    drawShader (_lightingWallShader pdata) nWallLights
-
+    --colorMask $= Color4 Disabled Disabled Disabled Disabled
+    --currentProgram $= Just (_shaderProgram $ _lightingOccludeShader pdata)
+    --uniform (head $  _shaderCustomUnis $ _lightingOccludeShader pdata)
+    --        $= Vector2 viewFromx viewFromy  
+    --drawShader (_lightingOccludeShader pdata) nWalls
 ---- draw foreground elements to set z buffer
-    --_ <- renderFoldable pdata $ picToLTree (Just 0) (polysToPic fpics)
     currentProgram $= Just (_shaderProgram $ _lightingSurfaceShader pdata)
     drawShader (_lightingSurfaceShader pdata) nsurfVs 
-
 -- for each of the lights: 
 -- stencil out the walls from this light's point of view
 -- draw fading lightmap circles on the floor
 -- draw fading lightmaps on the walls
+    --cullFace $= Nothing
     depthMask $= Disabled
     blendFunc $= (Zero, OneMinusSrcAlpha)
     stencilTest $= Enabled
     --depthFunc $= Just Less
     forM_ lightPoints $ \((x,y,z),r,lum) -> do
--- stencil out walls
+        -- stencil out shadows
-        depthFunc $= Just Less
+        --depthFunc $= Just Less
+        depthFunc $= Just Lequal
         colorMask $= Color4 Disabled Disabled Disabled Disabled
         clear [StencilBuffer]
         cullFace $= Just Back
@@ -122,7 +116,6 @@ createLightMap pdata resDiv wallPoints lightPoints (viewFromx,viewFromy) fpics s
         uniform (head $  _shaderCustomUnis $ _lightingOccludeShader pdata)
             $= Vector3 x y z
         drawShader (_lightingOccludeShader pdata) nWalls
-
         --cullFace $= Nothing
         currentProgram $= Just (_shaderProgram $ _lightingLineShadowShader pdata)
         uniform (head $  _shaderCustomUnis $ _lightingLineShadowShader pdata)
@@ -137,19 +130,18 @@ createLightMap pdata resDiv wallPoints lightPoints (viewFromx,viewFromy) fpics s
         currentProgram $= Just (_shaderProgram $ _lightingLineShadowShader pdata)
         drawShader (_lightingLineShadowShader pdata) nSils
         depthFunc $= Just Lequal
--- draw floor light circles
+        -- draw geometry surfaces
-        cullFace $= Nothing
+        cullFace $= Just Back
         colorMask $= Color4 Disabled Disabled Disabled Enabled
         stencilFunc $= (Equal, 0, 255)
--- draw floor surface
         currentProgram $= Just (_shaderProgram $ _lightingSurfaceShader pdata)
         uniform (head $  _shaderCustomUnis $ _lightingSurfaceShader pdata)
             $= Vector3 x y z
         uniform (_shaderCustomUnis (_lightingSurfaceShader pdata) !! 1)
             $= Vector2 r lum
         drawShader (_lightingSurfaceShader pdata) nsurfVs 
-        
+        -- draw wall light "circles"
--- draw wall light "circles"
+        --cullFace $= Nothing
         currentProgram $= Just (_shaderProgram $ _lightingWallShader pdata)
         uniform (head $ _shaderCustomUnis $ _lightingWallShader pdata)
             $= Vector3 x y z
@@ -159,30 +151,26 @@ createLightMap pdata resDiv wallPoints lightPoints (viewFromx,viewFromy) fpics s
     cullFace $= Nothing
     stencilTest $= Disabled
     blend $= Disabled
-
+    -- set the viewport size to that of the window
--- set the viewport size to that of the window
     viewport $= (vppos, vpsize)
--- disable depth testing for blurring
+    -- disable depth testing for blurring
     depthFunc $= Just Always
--- draw the lightmap on a full size fbo
+    -- draw the lightmap on a full size fbo
     bindFramebuffer Framebuffer $= fst3 (_fbo2 pdata)
     colorMask $= Color4 Disabled Disabled Disabled Enabled
     bindShaderBuffers [_boxBlurShader pdata] [4]
     textureBinding Texture2D $= Just (_fboTexture pdata)
--- by upscaling the shadowmap texture and using Linear' magnification
+    -- by upscaling the shadowmap texture and using Linear' magnification
--- interpolation, we get a poor mans blur, not sure about performance
+    -- interpolation, we get a poor mans blur, not sure about performance
     textureFilter Texture2D $= ((Linear',Just Linear') , Linear')
     generateMipmap' Texture2D
     drawShader (_boxBlurShader pdata) 4
-
+    -- ping pong blur between '_fbo2' and '_fbo3' as many times as desired
--- ping pong blur between '_fbo2' and '_fbo3' as many times as desired
     replicateM_ 3 $ pingPongBlur pdata
-
+    -- reset drawing parameters ready for drawing on top of the light map
--- reset drawing parameters ready for drawing on top of the light map
     colorMask $= Color4 Enabled Enabled Enabled Enabled
     depthMask $= Enabled
     blend $= Enabled
-
 {- |
 Blur between two framebuffers.
 Assumes no depth testing is done (depthFunc %= Just Always).