- shadeintensity = dot / sqrt(VectorLength2(v) * VectorLength2(n));
- color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) - reduce;
- color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) - reduce;
- color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) - reduce;
- color4f[0] = bound(0, color4f[0], 1);
- color4f[1] = bound(0, color4f[1], 1);
- color4f[2] = bound(0, color4f[2], 1);
+ Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v);
+ if ((dist = DotProduct(v, v)) < 1)
+ {
+ dist = sqrt(dist);
+ distintensity = pow(1 - dist, r_shadow_attenpower) * r_shadow_attenscale;
+ Matrix4x4_Transform3x3(&r_shadow_entitytolight, normal3f, n);
+ if ((dot = DotProduct(n, v)) > 0)
+ {
+ shadeintensity = dot / sqrt(VectorLength2(v) * VectorLength2(n));
+ color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) * distintensity - reduce;
+ color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) * distintensity - reduce;
+ color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) * distintensity - reduce;
+ }
+ else
+ {
+ color4f[0] = ambientcolor[0] * distintensity - reduce;
+ color4f[1] = ambientcolor[1] * distintensity - reduce;
+ color4f[2] = ambientcolor[2] * distintensity - reduce;
+ }
+ if (fogenabled)
+ {
+ float f = VERTEXFOGTABLE(VectorDistance(v, modelorg));
+ VectorScale(color4f, f, color4f);
+ }
+ }
+ else
+ VectorClear(color4f);
+ color4f[3] = 1;