//
// Bump + Diffuse (entity bump)
//
/************* UNTWEAKABLES **************/
float4x4 WorldIT : WorldInverseTranspose;
float4x4 WorldViewProj : WorldViewProjection;
float4x4 World : World;
float4x4 ViewInv : ViewInverse;
/************* SURFACE **************/
string XFile = "x.x";
float4 FixedLightSource
<
string UIType = "Fixed Light Source";
> = {0.0f, 50000.0f, 0.0f, 0.0f};
float4 AmbiColor : Ambient
<
string UIName = "Ambient Light Color";
> = {0.5f, 0.5f, 0.5f, 1.0f};
float4 SurfColor : Diffuse
<
string UIName = "Surface Color";
string UIType = "Color";
> = {1.0f, 1.0f, 1.0f, 1.0f};
float Bumpy
<
string UIType = "slider";
float UIMin = 0.0;
float UIMax = 10.0;
float UIStep = 0.1;
string UIName = "bump power";
> = 5.0;
/************* TEXTURES **************/
texture colorTexture2 : DiffuseMap
<
string Name = "D.tga";
string type = "2D";
>;
texture normalTexture : DiffuseMap
<
string Name = "N.tga";
string type = "2D";
>;
sampler2D colorSampler2 = sampler_state
{
Texture = <colorTexture2>;
MinFilter = Linear;
MagFilter = Linear;
MipFilter = Linear;
};
sampler2D normalSampler = sampler_state
{
Texture = <normalTexture>;
MinFilter = Linear;
MagFilter = Linear;
MipFilter = Linear;
};
/************* DATA STRUCTS **************/
/* data from application vertex buffer */
struct appdata {
float3 Position : POSITION;
float4 UV1 : TEXCOORD0;
float4 Normal : NORMAL;
float4 Tangent : TANGENT0;
float4 Binormal : BINORMAL0;
};
/* data passed from vertex shader to pixel shader */
struct vertexOutput {
float4 HPosition : POSITION;
float4 TexCoord1 : TEXCOORD0;
float3 LightVec : TEXCOORD1;
float3 WorldNormal : TEXCOORD2;
float3 WorldEyeVec : TEXCOORD3;
float3 WorldTangent : TEXCOORD4;
float3 WorldBinorm : TEXCOORD5;
};
/*********** vertex shader ******/
vertexOutput mainVS(appdata IN)
{
vertexOutput OUT;
OUT.WorldNormal = mul(IN.Normal, WorldIT).xyz;
OUT.WorldTangent = mul(IN.Tangent, WorldIT).xyz;
OUT.WorldBinorm = mul(IN.Binormal, WorldIT).xyz;
float4 tempPos = float4(IN.Position.x,IN.Position.y,IN.Position.z,1.0);
float3 worldSpacePos = mul(tempPos, World).xyz;
OUT.LightVec = FixedLightSource - worldSpacePos;
OUT.TexCoord1 = IN.UV1;
OUT.WorldEyeVec = normalize(ViewInv[3].xyz - worldSpacePos);
OUT.HPosition = mul(tempPos, WorldViewProj);
return OUT;
}
/********* pixel shader ********/
float4 mainPS(vertexOutput IN) : COLOR
{
float4 map = tex2D(colorSampler2,IN.TexCoord1.xy);
float3 bumps = Bumpy * (tex2D(normalSampler,IN.TexCoord1.xy).xyz-(0.5).xxx);
float3 Ln = normalize(IN.LightVec);
float3 Nn = normalize(IN.WorldNormal);
float3 Tn = normalize(IN.WorldTangent);
float3 Bn = normalize(IN.WorldBinorm);
float3 Nb = Nn + (bumps.x * Tn + bumps.y * Bn);
Nb = normalize(Nb);
float4 mapcolor = map * (0.5+dot(Ln,Nb));
float intensity = dot(Ln,Nb) * (AmbiColor*0.5);
float4 result = (mapcolor * (SurfColor+AmbiColor)) + intensity;
result.w=map.w;
return result;
}
/****** technique *******/
technique dx9textured
{
pass p0
{
// lighting
Lighting = FALSE;
SpecularEnable = FALSE;
FogEnable = FALSE;
// same vertex shader for both DX9 techniques
VertexShader = compile vs_1_1 mainVS();
PixelShader = compile ps_2_0 mainPS();
}
}
/***************************** eof ***/
Correct me if im wrong, but this is for bump maps and not normal maps? (difference being bump map uses monochrome to indicate height or each point, normal uses RGB to show angle of pixel)
