float4x4 matWorldViewProj;
float4x4 matWorld;
float4 vecViewPos;
float4 vecViewDir;
float4 vecFog;
float4 vecFogColor;
float4 vecLight;
float4 vecColor;
float4 vecAmbient;

int iLights;
float4 vecLightColor[8];
float4 vecLightPos[8];

texture entSkin1;
sampler ColorSampler = sampler_state { Texture = <entSkin1>; Mipfilter = Linear; Minfilter = Linear; Magfilter = Linear; };

void VS (
	in float4 inposition : POSITION,
	in float3 innormal : NORMAL,
	in float2 intex : TEXCOORD0,
	out float4 outposition : POSITION,
	out float3 outnormal : TEXCOORD0,
	out float2 outtex : TEXCOORD1,
	out float3 outworldPos : TEXCOORD2 )
	{
		inposition.w = 1.0f;
		outposition = mul ( inposition, matWorldViewProj );
		outnormal = mul ( innormal, (float3x3)matWorld );
		outtex.xy = intex.xy;
		outworldPos = mul ( inposition, matWorld ).xyz;
	}

float4 PS (
	float3 normal : TEXCOORD0,
	float2 tex : TEXCOORD1,
	float3 worldPos : TEXCOORD2 ) : COLOR0
	{
		normal.xyz = normalize ( normal.xyz );
		float4 textureColor = tex2D ( ColorSampler, tex.xy );
		float4 finalColor;
		finalColor.rgb = vecAmbient.rgb * vecLight.rgb;
		for ( int i=0; i<iLights; i++ )
		{
			float3 lightDir = normalize ( vecLightPos[i].xyz - worldPos.xyz );
			float Distance = distance ( vecLightPos[i].xyz, worldPos.xyz );
			float Radiance = saturate ( ( vecLightPos[i].w - Distance ) / vecLightPos[i].w );
			finalColor.rgb += vecLightColor[i].rgb * saturate(dot(lightDir.xyz,normal.xyz)) * Radiance;
		}
		finalColor.rgb *= textureColor.rgb;
		finalColor.rgb = lerp ( finalColor.rgb, textureColor.rgb, textureColor.a );
		float Distance = distance ( vecViewPos.xyz, worldPos.xyz );
		float Fog = saturate ( ( Distance - vecFog.x ) * vecFog.z );
		finalColor.rgb = lerp ( color.rgb, vecFogColor, Fog );
		finalColor.a = 1.0f;
	   return finalColor;
	}

technique
{
	pass pass0
	{
		ZWriteEnable = True;
		AlphaBlendEnable = False;
		
		VertexShader = compile vs_3_0 VS(); 
		PixelShader  = compile ps_3_0 PS(); 
	}
}