float4 vecAmbient;
float4 vecDiffuse;
float4 vecSpecular;
float4 vecEmissive;
// transformations
float4x4 matWorld;
float4x4 matWorldViewProj;
float3 vecViewPos;
float4 vecFog;
float4 vecTime;
texture entSkin1;
texture entSkin2;
texture mtlSkin1;
samplerCUBE EnvironmentSampler = sampler_state
{
Texture = <mtlSkin1>;
MipFilter = LINEAR;
MinFilter = LINEAR;
MagFilter = LINEAR;
};
sampler ColorSampler =sampler_state
{
Texture=<entSkin1>;
MipFilter = LINEAR;
MinFilter = LINEAR;
MagFilter = LINEAR;
};
sampler NormalSampler =sampler_state
{
Texture=<entSkin2>;
MipFilter = LINEAR;
MinFilter = LINEAR;
MagFilter = LINEAR;
};
// vertex shader output structure
struct VS_OUTPUT
{
float4 Pos : POSITION;
float2 Tex : TEXCOORD0;
float3 Eye : TEXCOORD1;
float3 Norm: TEXCOORD2;
float3 m1: TEXCOORD3;
float3 m2: TEXCOORD4;
float3 m3: TEXCOORD5;
float Fog: FOG;
};
VS_OUTPUT VS(
float4 inPos : POSITION,
float3 inNormal : NORMAL,
float2 inTex : TEXCOORD0,
float3 inTangent : TEXCOORD2)
{
VS_OUTPUT Out = (VS_OUTPUT)0;
float4 Pos = mul(inPos,matWorld);
float3 Normal = normalize(mul(inNormal, (float3x3)matWorld));
Out.Pos = mul(inPos, matWorldViewProj);
Out.Fog = 1 - (distance(Pos, vecViewPos) - vecFog.x) * vecFog.z;
Out.Tex = inTex;
Out.Eye=Pos - vecViewPos;
Out.Norm=Normal;
float3x3 matTangent;
matTangent[0] = mul(inTangent,matWorld);
matTangent[1] = mul(cross(inTangent,inNormal),matWorld); // binormal
matTangent[2] = mul(inNormal,matWorld);
Out.m1=matTangent[0];
Out.m2=matTangent[1];
Out.m3=matTangent[2];
return Out;
}
float4 PS ( VS_OUTPUT In) : COLOR
{
float4 OutColor;
float4 color = tex2D(ColorSampler, In.Tex);
float4 normal = tex2D(NormalSampler, In.Tex)*2-1;
float3x3 toWorld;
toWorld[0]=In.m1;
toWorld[1]=In.m2;
toWorld[2]=In.m3;
float3 norm=mul(normal.xyz,toWorld);
float3 vec = reflect(normalize(In.Eye), norm);
float4 Environment = texCUBE(EnvironmentSampler,vec);
float3 vec2 = refract(normalize(In.Eye), norm, 0.95);
float3 vec3 = refract(normalize(In.Eye), norm, 0.9525);
float3 vec4 = refract(normalize(In.Eye), norm, 0.955);
float4 EnvRefract = float4(texCUBE(EnvironmentSampler,vec2).r,texCUBE(EnvironmentSampler,vec3).g,texCUBE(EnvironmentSampler,vec4).b,1);
float fresnel = 1-(dot(norm,-normalize(In.Eye)));
fresnel=pow(fresnel,1.5);
OutColor.rgb=lerp(color.rgb,EnvRefract,color.a)+Environment.rgb*1*fresnel;
OutColor.a=(1-color.a)+pow(fresnel,0.25);
return OutColor;
}
float4 PS_back( VS_OUTPUT In) : COLOR
{
float4 OutColor;
float4 color = tex2D(ColorSampler, In.Tex);
float3 norm=In.Norm;
float3 vec = reflect(normalize(In.Eye), norm);
float4 Environment = texCUBE(EnvironmentSampler,vec);
float fresnel = 1-abs(dot(norm,-normalize(In.Eye)));
fresnel=0.4+pow(fresnel,1.5);
OutColor.rgb=vecAmbient.rgb*Environment.rgb*1*fresnel;
OutColor.a=(1-color.a);
return OutColor;
}
technique glas
{
pass P0
{
CullMode=cw;
Zenable=true;
ZWriteEnable=true;
VertexShader = compile vs_2_0 VS();
PixelShader = compile ps_2_0 PS_back();
}
pass P1
{
CullMode=ccw;
Zenable=true;
ZWriteEnable=true;
VertexShader = compile vs_2_0 VS();
PixelShader = compile ps_2_0 PS();
}
}
