flak_m/shaders/glsl/MeshEnviroMap.fp
Marisa Kirisame da8f6fc4b2 Finishing touches for hexen compatibility (1.1 update):
- Fully implemented ammo cubes.
 - Fixed environment map shaders (incorrect texture coords were being used).
 - HUD support for displaying Hexen keys.
 - Fixed "has no ammo" messages displaying more often than they should.
 - Fixed lack of footsteps with UT physics disabled.
 - Sneaky initial Strife compatibility work:
   - Impact Hammer will have reduced alert distance.
   - HUD support for displaying Strife keys.
2019-12-15 14:48:57 +01:00

7 lines
256 B
GLSL

// imitation of the Unreal Engine 1.x bMeshEnviroMap effect, not 1:1 but gets close
vec4 ProcessTexel()
{
vec3 eyedir = normalize(uCameraPos.xyz-pixelpos.xyz);
vec3 norm = reflect(eyedir,normalize(vWorldNormal.xyz));
return getTexel(norm.xz*0.5+0.5);
}