float4 ps_lighting(VS_OUTPUT IN) : SV_Target
{
    if (renderingSkel || renderingRBody)
    {
        return float4(1, 1, 1, 1);
    }
    else
    {
        //shadow mapping stuff
        IN.lpos.xyz /= IN.lpos.w;

        float4 ambient = ambientBright * materialAmbient;

        if( IN.lpos.x < -1.0f || IN.lpos.x > 1.0f || IN.lpos.y < -1.0f || IN.lpos.y > 1.0f || IN.lpos.z < 0.0f  || IN.lpos.z > 1.0f )
            return ambient;

        IN.lpos.x = IN.lpos.x/2 + 0.5;
        IN.lpos.y = IN.lpos.y/-2 + 0.5;

        float shadowMapDepth = shadowMap.Sample(ShadowSampler, IN.lpos.xy).r;

        if (shadowMapDepth < IN.lpos.z) return ambient;

        float3 V = normalize(IN.eye - IN.position);
        float3 R = reflect(lightDir, IN.normal);

        float4 diffuse = diffuseBright * (materialDiffuse * saturate(dot(lightDir, IN.normal)));
        float4 specular = specularBright * pow(saturate(dot(R, V)), normalize(shine));
        float4 finalColor = ambient + diffuse;
        if (shine > 0)
        {
            finalColor = saturate(finalColor + specular);
        }



        float4 color = texDiffuse.Sample(DiffuseSampler, IN.tex0);
        float4 sphCol = sphTexture.Sample(SphereSampler, IN.spTex);
        if (useTexture)
        {
            finalColor *= color;
        }
        if (useSphere)
        {
            if (isSphereAdd)
            {
                finalColor += sphCol;
            }
            else
            {
                finalColor *= sphCol;
            }
        }
        float4 o = (finalColor * extraBright) * fadeCoef;
        if (useTexture)
        {
            o.a = color.a * materialDiffuse.a;
        }
        else
        {
            o.a = materialDiffuse.a;
        }
        return o;
    }
}