void arsup_vsLightGEN(float4 position	: POSITION,
	float3 normal : NORMAL,
	out float4 oPos : POSITION,
	out float4 oNorm : TEXCOORD0,
	out float3 oSpDir0 : TEXCOORD1,
	out float3 oSpDir1 : TEXCOORD2,
	out float3 oSpDir2 : TEXCOORD3,
	out float4 oWp : TEXCOORD4,
	uniform float4x4 wMat,
	uniform float4x4 witMat,
	uniform float4x4 wvpMat,
	uniform float4 fogParams,
	uniform float4 spotlightDir0,
	uniform float4 spotlightDir1,
	uniform float4 spotlightDir2)
{
	oWp = mul(wMat, position);
	oPos = mul(wvpMat, position);
	float fog = 1.0;
	 if (fogParams.x == 0.0)
	{
	if (fogParams.w > 0.0)
		fog = smoothstep(fogParams.y, fogParams.z, fogParams.z - oPos.z);
	}
	else
		fog = exp2(-fogParams.x * oPos.z);
	oNorm.w = fog;
	oNorm.xyz = normalize(mul((float3x3)witMat, normal));
	oSpDir0 = mul(wMat, spotlightDir0).xyz;
	oSpDir1 = mul(wMat, spotlightDir1).xyz;
	oSpDir2 = mul(wMat, spotlightDir2).xyz;
}

float4 arsup_fpLightGEN(float4 position	: POSITION,
	float4 norm : TEXCOORD0,
	float3 spDir0 : TEXCOORD1,
	float3 spDir1 : TEXCOORD2,
	float3 spDir2 : TEXCOORD3,
	float4 wp : TEXCOORD4,
	uniform float3 fogColor,
	uniform float3 ambient,
	uniform float3 lightDif0,
	uniform float4 lightPos0,
	uniform float4 lightAtt0,
	uniform float3 lightSpec0,
	uniform float3 lightDif1,
	uniform float4 lightPos1,
	uniform float4 lightAtt1,
	uniform float3 lightSpec1,
	uniform float3 lightDif2,
	uniform float4 lightPos2,
	uniform float4 lightAtt2,
	uniform float3 lightSpec2,
	uniform float3 camPos,
	uniform float4 matAmb,
	uniform float4 matEmissive,
	uniform float4 matDif,
	uniform float4 matSpec,
	uniform float matShininess,
	uniform float4 invSMSize,
	uniform float4 spotlightParams0,
	uniform float4 spotlightParams1,
	uniform float4 spotlightParams2): COLOR0
{
	float fog = norm.w;
	if (fog == 0.0) return float4(fogColor, 1.0);
	float3 normal = normalize(norm.xyz);
	float3 ld0 = normalize(lightPos0.xyz - (lightPos0.w * wp.xyz));
	float3 ld1 = normalize(lightPos1.xyz - (lightPos1.w * wp.xyz));
	float3 ld2 = normalize(lightPos2.xyz - (lightPos2.w * wp.xyz));
	// attenuation
	half lightDist = length(lightPos0.xyz - wp.xyz) / (lightAtt0.r / lightAtt0.r);
	half la0 = 1;
	half ila = 0;
	if(lightAtt0.a > 0.0)
	{
		ila = lightDist * lightDist; // quadratic falloff
		la0 = 1.0 / (lightAtt0.g + lightAtt0.b * lightDist + lightAtt0.a * ila);
	}
	// attenuation
	lightDist = length(lightPos1.xyz - wp.xyz) / (lightAtt1.r / lightAtt1.r);
	half la1 = 1;
	if(lightAtt1.a > 0.0)
	{
		ila = lightDist * lightDist; // quadratic falloff
		la1 = 1.0 / (lightAtt1.g + lightAtt1.b * lightDist + lightAtt1.a * ila);
	}
	// attenuation
	lightDist = length(lightPos2.xyz - wp.xyz) / (lightAtt2.r / lightAtt2.r);
	half la2 = 1;
	if(lightAtt2.a > 0.0)
	{
		ila = lightDist * lightDist; // quadratic falloff
		la2 = 1.0 / (lightAtt2.g + lightAtt2.b * lightDist + lightAtt2.a * ila);
	}
	float3 diffuse0 = max(dot(normal, ld0), 0) * lightDif0;
	float3 diffuse1 = max(dot(normal, ld1), 0) * lightDif1;
	float3 diffuse2 = max(dot(normal, ld2), 0) * lightDif2;
	// calculate the spotlight effect
	float spot0 = ((spotlightParams0.w == 0.0) ? 1.0 : // if so, then it's not a spot light
	   saturate((dot(normalize(-spDir0), ld0) - spotlightParams0.y) / (spotlightParams0.x - spotlightParams0.y)));
	float spot1 = ((spotlightParams1.w == 0.0) ? 1.0 : // if so, then it's not a spot light
	   saturate((dot(normalize(-spDir1), ld1) - spotlightParams1.y) / (spotlightParams1.x - spotlightParams1.y)));
	float spot2 = ((spotlightParams2.w == 0.0) ? 1.0 : // if so, then it's not a spot light
	   saturate((dot(normalize(-spDir2), ld2) - spotlightParams2.y) / (spotlightParams2.x - spotlightParams2.y)));
	float3 camDir = normalize(camPos - wp.xyz);
	float3 halfVec = normalize(ld0 + camDir);
	float3 specularLight = pow(max(dot(normal, halfVec), 0), matShininess) * lightSpec0 * la0;
	halfVec = normalize(ld1 + camDir);
	specularLight += pow(max(dot(normal, halfVec), 0), matShininess) * lightSpec1 * la1;
	halfVec = normalize(ld2 + camDir);
	specularLight += pow(max(dot(normal, halfVec), 0), matShininess) * lightSpec2 * la2;
	float3 diffuseLight = (diffuse0 * spot0 * la0) + (diffuse1 * spot1 * la1) + (diffuse2 * spot2 * la2);
	float3 ambientColor = max(matEmissive.rgb, ambient * matAmb.rgb);
	float3 diffuseContrib = matDif.rgb;
	float3 specularContrib = specularLight * matSpec.rgb;
	float3 light0C = clamp(ambientColor + (diffuseLight * diffuseContrib) + specularContrib, 0.0, 1.0);
	float alpha = matDif.a;
	return float4((fog * light0C) + (fogColor * (1.0 - fog)), alpha);
}

void arsup_vsLightGEN0(float4 position	: POSITION,
	float3 normal : NORMAL,
	float2 uv0 : TEXCOORD0,
	out float4 oPos : POSITION,
	out float4 oNorm : TEXCOORD0,
	out float3 oSpDir0 : TEXCOORD1,
	out float3 oSpDir1 : TEXCOORD2,
	out float3 oSpDir2 : TEXCOORD3,
	out float4 oWp : TEXCOORD4,
	out float4 oUv0 : TEXCOORD5,
	uniform float4x4 wMat,
	uniform float4x4 witMat,
	uniform float4x4 wvpMat,
	uniform float4 fogParams,
	uniform float4 spotlightDir0,
	uniform float4 spotlightDir1,
	uniform float4 spotlightDir2)
{
	oWp = mul(wMat, position);
	oPos = mul(wvpMat, position);
	float fog = 1.0;
	 if (fogParams.x == 0.0)
	{
	if (fogParams.w > 0.0)
		fog = smoothstep(fogParams.y, fogParams.z, fogParams.z - oPos.z);
	}
	else
		fog = exp2(-fogParams.x * oPos.z);
	oNorm.w = fog;
	oUv0.xy = uv0;
	oNorm.xyz = normalize(mul((float3x3)witMat, normal));
	oSpDir0 = mul(wMat, spotlightDir0).xyz;
	oSpDir1 = mul(wMat, spotlightDir1).xyz;
	oSpDir2 = mul(wMat, spotlightDir2).xyz;
}

float4 arsup_fpLightGENDIFF0(float4 position	: POSITION,
	float4 norm : TEXCOORD0,
	float3 spDir0 : TEXCOORD1,
	float3 spDir1 : TEXCOORD2,
	float3 spDir2 : TEXCOORD3,
	float4 wp : TEXCOORD4,
	float4 uv0 : TEXCOORD5,
	uniform float3 fogColor,
	uniform float3 ambient,
	uniform float3 lightDif0,
	uniform float4 lightPos0,
	uniform float4 lightAtt0,
	uniform float3 lightSpec0,
	uniform float3 lightDif1,
	uniform float4 lightPos1,
	uniform float4 lightAtt1,
	uniform float3 lightSpec1,
	uniform float3 lightDif2,
	uniform float4 lightPos2,
	uniform float4 lightAtt2,
	uniform float3 lightSpec2,
	uniform float3 camPos,
	uniform float4 matAmb,
	uniform float4 matEmissive,
	uniform float4 matDif,
	uniform float4 matSpec,
	uniform float matShininess,
	uniform float4 invSMSize,
	uniform float4 spotlightParams0,
	uniform float4 spotlightParams1,
	uniform float4 spotlightParams2,
	uniform sampler2D diffuseMap : register(s0)): COLOR0
{
	float fog = norm.w;
	if (fog == 0.0) return float4(fogColor, 1.0);
	float3 normal = normalize(norm.xyz);
	float3 ld0 = normalize(lightPos0.xyz - (lightPos0.w * wp.xyz));
	float3 ld1 = normalize(lightPos1.xyz - (lightPos1.w * wp.xyz));
	float3 ld2 = normalize(lightPos2.xyz - (lightPos2.w * wp.xyz));
	// attenuation
	half lightDist = length(lightPos0.xyz - wp.xyz) / (lightAtt0.r / lightAtt0.r);
	half la0 = 1;
	half ila = 0;
	if(lightAtt0.a > 0.0)
	{
		ila = lightDist * lightDist; // quadratic falloff
		la0 = 1.0 / (lightAtt0.g + lightAtt0.b * lightDist + lightAtt0.a * ila);
	}
	// attenuation
	lightDist = length(lightPos1.xyz - wp.xyz) / (lightAtt1.r / lightAtt1.r);
	half la1 = 1;
	if(lightAtt1.a > 0.0)
	{
		ila = lightDist * lightDist; // quadratic falloff
		la1 = 1.0 / (lightAtt1.g + lightAtt1.b * lightDist + lightAtt1.a * ila);
	}
	// attenuation
	lightDist = length(lightPos2.xyz - wp.xyz) / (lightAtt2.r / lightAtt2.r);
	half la2 = 1;
	if(lightAtt2.a > 0.0)
	{
		ila = lightDist * lightDist; // quadratic falloff
		la2 = 1.0 / (lightAtt2.g + lightAtt2.b * lightDist + lightAtt2.a * ila);
	}
	float3 diffuse0 = max(dot(normal, ld0), 0) * lightDif0;
	float3 diffuse1 = max(dot(normal, ld1), 0) * lightDif1;
	float3 diffuse2 = max(dot(normal, ld2), 0) * lightDif2;
	// calculate the spotlight effect
	float spot0 = ((spotlightParams0.w == 0.0) ? 1.0 : // if so, then it's not a spot light
	   saturate((dot(normalize(-spDir0), ld0) - spotlightParams0.y) / (spotlightParams0.x - spotlightParams0.y)));
	float spot1 = ((spotlightParams1.w == 0.0) ? 1.0 : // if so, then it's not a spot light
	   saturate((dot(normalize(-spDir1), ld1) - spotlightParams1.y) / (spotlightParams1.x - spotlightParams1.y)));
	float spot2 = ((spotlightParams2.w == 0.0) ? 1.0 : // if so, then it's not a spot light
	   saturate((dot(normalize(-spDir2), ld2) - spotlightParams2.y) / (spotlightParams2.x - spotlightParams2.y)));
	float3 camDir = normalize(camPos - wp.xyz);
	float3 halfVec = normalize(ld0 + camDir);
	float3 specularLight = pow(max(dot(normal, halfVec), 0), matShininess) * lightSpec0 * la0;
	halfVec = normalize(ld1 + camDir);
	specularLight += pow(max(dot(normal, halfVec), 0), matShininess) * lightSpec1 * la1;
	halfVec = normalize(ld2 + camDir);
	specularLight += pow(max(dot(normal, halfVec), 0), matShininess) * lightSpec2 * la2;
	float3 diffuseLight = (diffuse0 * spot0 * la0) + (diffuse1 * spot1 * la1) + (diffuse2 * spot2 * la2);
	float3 ambientColor = max(matEmissive.rgb, ambient * matAmb.rgb);
	float3 diffuseContrib = matDif.rgb;
	float4 diffuseTex = tex2D(diffuseMap, uv0.xy);
	ambientColor *= diffuseTex.rgb;
	diffuseContrib *= diffuseTex.rgb;
	float3 specularContrib = specularLight * matSpec.rgb;
	float3 light0C = clamp(ambientColor + (diffuseLight * diffuseContrib) + specularContrib, 0.0, 1.0);
	float alpha = matDif.a;
	alpha *= diffuseTex.a;
	return float4((fog * light0C) + (fogColor * (1.0 - fog)), alpha);
}