1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
// Copyright 2006-2010 (C) - Frictional Games
//
// This file is part of HPL1 Engine
//
// For conditions of distribution and use, see copyright notice in LICENSE-shaders
//
///////////////////////////////////////////////////////
/// DIFFUSE SPOTLIGHTING FRAGMENT PROGRAM /////////////
///////////////////////////////////////////////////////
in vec4 vLightColor;
in vec2 vUv;
in vec3 vLightDir;
in vec3 vHalfVec;
in vec4 vSpotlightUv;
OUTPUT
uniform sampler2D tex0; //diffuseMap
uniform sampler2D tex1; //normalMap
uniform sampler1D tex3; //falloffMap
uniform sampler2D tex4; //spotlightMap
uniform sampler1D tex5; //spotNegRejectMap
void main()
{
vec3 diffuse = texture(tex0, vUv).xyz;
vec4 bumpVec = texture(tex1, vUv);
bumpVec.xyz = (2.0*bumpVec.xyz)-vec3(1.0);
vec3 lightVec = normalize(vLightDir);
vec3 normHalfVec = normalize(vHalfVec);
float attenuation = texture1D(tex3,dot(vLightDir,vLightDir)).x;
vec4 spotColor = texture(tex4, vSpotlightUv.xy / vSpotlightUv.w);
float rejectNeg = texture1D(tex5,vSpotlightUv.z + 0.5).x;
float specular = clamp(dot(normHalfVec, bumpVec.xyz), 0.0, 1.0);
specular = pow(specular, 16.0) * vLightColor.w * clamp(bumpVec.w, 0.0, 1.0) * clamp(spotColor.w, 0.0, 1.0);
outColor.xyz = diffuse * dot(lightVec, bumpVec.xyz) * vLightColor.xyz * spotColor.xyz +
specular;
outColor.xyz *= attenuation * rejectNeg;
}
|
