Thanks, I've got another favour I need to ask you, I've already talked to ply about it, but he said you'd be better able to help me out...
I got the Parallax shader from the Ultimate Shader Pack, and it works okay on static entities, the only issue being that trademark lightmap glitch. So I tried integrating the code from the IlluminationMap shader into it, and I got the texture loading routines and such sorted, but I'm completely stumped on how to get the shader to overlay the lightmap on the Diffuse texture...
Here's the shader, I was wondering if you had any advice on how I could achieve this?
// 3D Parallax Shader - 2.0
//------------------------------------
float4x4 WorldViewProj : WorldViewProjection;
float4x4 World : WorldIT;
float4 EyePos : EyePos;
//------------------------------------
float4 LightDir <> = {0.0f, 1.0f, 0.0f, 0.0f};
float4 LightCol <> = {1.0f, 1.0f, 1.0f, 1.0f};
float4 LightAmb <> = {0.3f, 0.3f, 0.3f, 1.0f};
//------------------------------------
texture D
<
string name = "D.tga";
>;
texture H
<
string name = "H.tga";
>;
texture N
<
string name = "N.tga";
>;
texture lm
<
string name = "lm.tga";
>;
//------------------------------------
technique Height
{
pass p0
{
VertexShaderConstant[0] = <WorldViewProj>;
VertexShaderConstant[4] = <World>;
VertexShaderConstant[11] = <EyePos>;
VertexShaderConstant[12] = <LightDir>;
VertexShaderConstant[13] = <LightCol>;
VertexShaderConstant[14] = <LightAmb>;
VertexShader = asm
{
// Initilise Shader
vs.1.1
dcl_position v0
dcl_normal v1
dcl_tangent v2
dcl_binormal v3
dcl_texcoord v4
// Define Constants
def c20, 1.0f, 0.5f, 0.0f, 0.0f
// Transform Position to Clip
m4x4 oPos, v0, c0
// Move Light Vector to Object Space
mov r0, c12
m3x3 r4, r0, c4
// Normalise Light Vector (r4)
dp3 r0, r4, r4
rsq r0, r0
mul r4, r0, r4.xyz
// Move Light Vector to Texture Space
dp3 r0.x, r4, v2
dp3 r0.y, r4, v3
dp3 r0.z, r4, v1
// Scale, Bias and Output Light Vector
add r0, r0, c20.x
mul oT4, r0, c20.y
mov oD0, c13
mov oD1, c14
// Move Eye Position to Object Space
mov r0, c11
m3x3 r1, r0, c4
// Compute Normalised Eye Vector (r1)
sub r1, r1.xyz, v0
dp3 r1.w, r1, r1
rsq r1.w, r1.w
mul r1, r1, r1.w
// Move Eye Vector to Texture Space
dp3 r0.x, r1, v2
dp3 r0.y, r1, v3
// Scale and Bias Eye Vector
add r0, r0, c20.x
mul oT3, r0, c20.y
mov oT3.zw, c20.zw
// Compute Normalised Half-Vector
add r1, r1, r4
dp3 r0, r1, r1
rsq r0, r0
mul r1, r1, r0
// Move Half-Vector to Texture Space
dp3 r0.x, r1, v2
dp3 r0.y, r1, v3
dp3 r0.z, r1, v1
// Scale, Bias and Output Eye Vector
add r0, r0, c20.x
mul oT5, r0, c20.y
//mov oT5, r0
// Output Base Texture Coordinates
mov oT0, v4
mov oT1, v4
mov oT2, v4
};
PixelShader = asm
{
// Initialise Shader
ps.1.4
def c0, 0.08f, 0.08f, 1.0f, 1.0f
// Load Textures
texcrd r0.rgb, t0
texld r1, t1
texcrd r3.rgb, t3
// Multiply Shift by Height and Add to Base
mul r3.rgb, r3_bx2, c0
mul r3.rgb, r3, r1_bias
add r3.rgb, r3, r0
// Next Phase
phase
// Load Maps Based on Perturbation
texld r0, r3
texld r2, r3
texcrd r4.rgb, t4
texcrd r5.rgb, t5
// DOT3 Lighting Calculations
dp3_sat r4, r2_bx2, r4_bx2
dp3_sat r5, r2_bx2, r5_bx2
// Specular Power and Combination
mul r5, r5, r5
mul r5, r5, r5
mul r5, r5, r0.a
mad r5, r5, r5, r4
// Combine and Colour Lighting
mad r5, r5, v0, v1
// Multiply Lighting by Diffuse
mul r0, r0, r5
};
Texture[0] = <D>;
MinFilter[0] = Linear;
MagFilter[0] = Linear;
MipFilter[0] = Linear;
Texture[1] = <H>;
MinFilter[1] = Linear;
MagFilter[1] = Linear;
MipFilter[1] = Linear;
Texture[2] = <N>;
MinFilter[2] = Linear;
MagFilter[2] = Linear;
MipFilter[2] = Linear;
Texture[3] = <lm>;
MipFilter[3] = LINEAR;
MinFilter[3] = LINEAR;
MagFilter[3] = LINEAR;
//Texture[3] = Parallax Offset
//Texture[4] = Light Position in Texture Space
//Texture[5] = Half-Vector in Texture Space
}
}If I was ever given the opportunity to remove all the bad from the world, I wouldn't, because for there to be heroism, compassion and all that is good, there must also be all that is bad.
