float4x4 View;
float4x4 Projection;

float3 LightDirection = float3(1, -1, 0);
float TextureTiling = 1;

texture2D BaseTexture;

sampler2D BaseTextureSampler = sampler_state {
    Texture = <BaseTexture>;
    AdressU = Wrap;
    AderssV = Wrap;
    MinFilter = Anisotropic;
    MaxFilter = Anisotropic;
};

struct VertexShaderInput
{
    float4 Position : POSITION0;
    float2 UV : TEXCORRD0;
    float3 Normal : NORMAL0;
};

struct VertexShaderOutput
{
    float4 Position : POSITION0;
    float2 UV : TEXCOORD0;
    float3 Normal : TEXCOORD1;
};

VertexShaderOutput VertexShaderFunction(VertexShaderInput input)
{
    VertexShaderOutput output;

    output.Position = mul(input.Position, mul(View, Projection));
    output.Normal = input.Normal;
    output.UV = input.UV;

    return output;
}

float4 PixelShaderFunction(VertexShaderOutput input) : COLOR0
{
    float light = dot(normalize(input.Normal), normalize(LightDirection));
    light = clamp(light + 0.4f, 0, 1);

    float3 tex = tex2D(BaseTextureSampler, input.UV * TextureTiling);

    return float4(tex * light, 1);
}

technique Technique1
{
    pass Pass1
    {
        VertexShader = compile vs_2_0 VertexShaderFunction();
        PixelShader = compile ps_2_0 PixelShaderFunction();
    }
}