- changed shaders.

wadsrc/static/shaders/glsl/main.vp

@@ -43,6 +43,11 @@ void main()
 	#endif
 	
 	gl_Position = ProjectionMatrix * eyeCoordPos;
+	
+	// clip planes used for reflective flats
 	gl_ClipDistance[0] = worldcoord.y - uClipHeightBottom;
 	gl_ClipDistance[1] = uClipHeightTop - worldcoord.y;
+	
+	gl_ClipDistance[2] = worldcoord.y - uClipSplit.x;
+	gl_ClipDistance[3] = uClipSplit.y - worldcoord.y;
 }

wadsrc/static/shaders/glsl/shaderdefs.i

@@ -7,6 +7,7 @@ precision highp float;
 uniform vec4 uCameraPos;
 uniform int uTextureMode;
 uniform float uClipHeightTop, uClipHeightBottom;
+uniform vec2 uClipSplit;
 
 uniform float uAlphaThreshold;
 
@@ -29,6 +30,9 @@ uniform vec4 uGlowTopColor;
 uniform vec4 uGlowBottomPlane;
 uniform vec4 uGlowBottomColor;
 
+uniform vec4 uSplitTopPlane;
+uniform vec4 uSplitBottomPlane;
+
 // Lighting + Fog
 uniform vec4 uLightAttr;
 #define uLightLevel uLightAttr.a