float4x4 World;
float4x4 View;
float4x4 Projection;

float4 AmbientColor;
float AmbientIntensity;

float3 DiffuseDirection;
float4 DiffuseColor;
float DiffuseIntensity;

Texture xTexture;
Texture bTexture;

sampler TextureSampler = sampler_state { texture = <xTexture> ; magfilter = LINEAR; minfilter = LINEAR; mipfilter=LINEAR; AddressU = mirror; AddressV = mirror;};
sampler TextureSampler2 = sampler_state { texture = <bTexture> ; magfilter = LINEAR; minfilter = LINEAR; mipfilter=LINEAR; AddressU = mirror; AddressV = mirror;};
// TODO: add effect parameters here.

struct VertexShaderInput
{
    float4 Position : POSITION0;
	float2 TexCoords1 : TEXCOORD0;
	float2 TexCoords2 : TEXCOORD1;
	float BlendWeight : BLENDWEIGHT0;
	float4 Color : COLOR0;
    // TODO: add input channels such as texture
    // coordinates and vertex colors here.
};

struct VertexShaderOutput
{
    float4 Position : POSITION0;
	float3 Normal : NORMAL0;
	float2 TexCoords1 : TEXCOORD0;
	float2 TexCoords2 : TEXCOORD1;
	float BlendWeight : BLENDWEIGHT0;
	float4 Color : COLOR0;

    // TODO: add vertex shader outputs such as colors and texture
    // coordinates here. These values will automatically be interpolated
    // over the triangle, and provided as input to your pixel shader.
};

VertexShaderOutput VertexShaderFunction(VertexShaderInput input, float3 Normal : NORMAL0)
{
    VertexShaderOutput output;

    float4 worldPosition = mul(input.Position, World);
    float4 viewPosition = mul(worldPosition, View);
    output.Position = mul(viewPosition, Projection);
	output.Normal = normalize(mul(Normal,World));
	output.BlendWeight = input.BlendWeight;
	output.TexCoords1 = input.TexCoords1;
	output.TexCoords2 = input.TexCoords2;
	output.Color = input.Color;
    // TODO: add your vertex shader code here.

    return output;
}

float4 PixelShaderFunction(VertexShaderOutput input) : COLOR0
{
    // TODO: add your pixel shader code here.

	float4 norm = float4(input.Normal, 1.0);
	float4 diffuse = saturate(dot(-DiffuseDirection,norm));

	float4 blend = tex2D(TextureSampler2, input.TexCoords2) * input.BlendWeight;
	float4 normtex = tex2D(TextureSampler, input.TexCoords1) * (1 - input.BlendWeight);

	float4 merge = (blend + normtex) / 2;

	return merge * (AmbientColor*AmbientIntensity + DiffuseIntensity*DiffuseColor*diffuse + input.Color);

	// (AmbientColor*AmbientIntensity + DiffuseIntensity*DiffuseColor*diffuse)
    // return float4(1, 0, 0, 1);
}

technique Technique1
{
    pass Pass1
    {
        // TODO: set renderstates here.

        VertexShader = compile vs_3_0 VertexShaderFunction();
        PixelShader = compile ps_3_0 PixelShaderFunction();
    }
}