First!

shaders/glsl/AmbientGlow_Brightmapped.fp

@@ -0,0 +1,15 @@
+// imitation of the Unreal Engine 1.x ambient glow effect, timing may be off
+// combining with brightmaps requires the brightmap to be embedded into the
+// alpha channel of the diffuse texture
+#define PI 3.14159265
+vec4 ProcessLight( vec4 color )
+{
+	float bright = getTexel(vTexCoord.st).a;
+	float glow = (1.0+sin(timer*2*PI))*0.25;
+	return vec4(min(color.rgb+vec3(bright)+vec3(glow),1.0),color.a);
+}
+
+vec4 ProcessTexel()
+{
+	return vec4(getTexel(vTexCoord.st).rgb,1.0);
+}