float sRes : RES = 0;
float4 sNight : NIGHT;

#include "mta-helper.fx"

// Variable to fetch the texture from the script
texture gTexture;

sampler Sampler0 = sampler_state
{
    Texture         = (gTexture0);
    MinFilter       = Linear;
    MagFilter       = Linear;
    MipFilter       = Linear;
};

struct PSInput
{
    float4 Position : POSITION0;
    float4 Diffuse : COLOR0;
    float2 TexCoord: TEXCOORD0;
};

float4 PixelShaderFunction(PSInput PS) : COLOR0
{
    float2 uv = PS.TexCoord - fmod(PS.TexCoord, sRes);
    float4 texel = tex2D(Sampler0, uv);

    float alpha = tex2D(Sampler0, PS.TexCoord).a;

    float4 finalColor = texel * PS.Diffuse * sNight;
    finalColor.a = alpha * PS.Diffuse.a;

    return finalColor;
};

technique night
{
    pass P0
    {
        DepthBias=-0.0002;
        PixelShader  = compile ps_2_0 PixelShaderFunction();
    }
    pass P1
    {
        Texture[0] = gTexture;
    }
};

technique fallback
{
    pass P0
    {
        // Draw normally
    }
};