struct appdata {
	float3 Position : POSITION;
	float3 Normal : NORMAL;
};


struct vpconn {
	float4 Hposition : POSITION;
	float4 TexCoord0 : TEXCOORD0;
	float4 TexCoord1 : TEXCOORD1;
	float4 Color0 : COLOR0;
};


vpconn main(appdata IN,
			uniform float4x4 WorldViewProj,
			uniform float4x4 TexTransform,
			uniform float3x3 WorldIT,
			uniform float3 LightVec)
{
	vpconn OUT;
	
	float3 worldNormal = normalize(mul(WorldIT, IN.Normal));
	
	float ldotn = max(dot(LightVec, worldNormal), 0.0);
	OUT.Color0.xyz = ldotn.xxx;
	
	float4 tempPos;
	tempPos.xyz = IN.Position.xyz;
	tempPos.w = 1.0;
	
	OUT.TexCoord0 = mul(TexTransform, tempPos);
	OUT.TexCoord1 = mul(TexTransform, tempPos);
	
	OUT.Hposition = mul(WorldViewProj, tempPos);
	
	return OUT;
}


struct v2f_simple {
	float4 Hposition : POSITION;
	float4 TexCoord0 : TEXCOORD0;
	float4 TexCoord1 : TEXCOORD1;
	float4 Color0 : COLOR0;
};


float4 main(v2f_simple IN,
			uniform sampler2D ShadowMap,
			uniform sampler2D SpotLight) : COLOR
{
	float4 shadow = tex2D(ShadowMap, IN.TexCoord0.xy);
	float4 spotlight = tex2D(SpotLight, IN.TexCoord1.xy);
	float4 lighting = IN.Color0;
	return shadow * spotlight * lighting;
}