forked from Warsow/glsl
/
defaultMaterial.frag.glsl
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/
defaultMaterial.frag.glsl
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#include "include/common.glsl"
#include "include/lightmap.glsl"
#include "include/uniforms.glsl"
#include "include/varying_material.glsl"
#include_if(NUM_DLIGHTS) "include/dlights.glsl"
#include_if(APPLY_FOG) "include/fog.glsl"
#include_if(APPLY_GREYSCALE) "include/greyscale.glsl"
#include_if(APPLY_OFFSETMAPPING) "include/material_offsetmapping.frag.glsl"
#include_if(NUM_LIGHTMAPS) "include/material_lightmaps.frag.glsl"
#include_if(APPLY_DIRECTIONAL_LIGHT) "include/material_dirlight.frag.glsl"
uniform sampler2D u_BaseTexture;
uniform sampler2D u_NormalmapTexture;
uniform sampler2D u_GlossTexture;
#ifdef APPLY_DECAL
uniform sampler2D u_DecalTexture;
#endif
#ifdef APPLY_ENTITY_DECAL
uniform sampler2D u_EntityDecalTexture;
#endif
#if defined(APPLY_OFFSETMAPPING) || defined(APPLY_RELIEFMAPPING)
uniform float u_OffsetMappingScale;
#endif
#ifdef APPLY_DRAWFLAT
uniform myhalf3 u_WallColor;
uniform myhalf3 u_FloorColor;
#endif
uniform myhalf2 u_GlossFactors; // gloss scaling and exponent factors
void main()
{
#if defined(APPLY_OFFSETMAPPING) || defined(APPLY_RELIEFMAPPING)
// apply offsetmapping
vec2 TexCoordOffset = OffsetMapping(u_NormalmapTexture, v_TexCoord_FogCoord.st, v_EyeVector, u_OffsetMappingScale);
#define v_TexCoord TexCoordOffset
#else
#define v_TexCoord v_TexCoord_FogCoord.st
#endif
myhalf3 surfaceNormal;
myhalf3 surfaceNormalModelspace;
myhalf3 weightedDiffuseNormalModelspace;
#if !defined(APPLY_DIRECTIONAL_LIGHT) && !defined(NUM_LIGHTMAPS)
myhalf4 color = myhalf4 (1.0, 1.0, 1.0, 1.0);
#else
myhalf4 color = myhalf4 (0.0, 0.0, 0.0, 1.0);
#endif
myhalf4 decal = myhalf4 (0.0, 0.0, 0.0, 1.0);
myhalf3 lightColor = myhalf3 (0.0);
myhalf3 specular = myhalf3 (0.0);
// get the surface normal
surfaceNormal = normalize(myhalf3(qf_texture (u_NormalmapTexture, v_TexCoord)) - myhalf3 (0.5));
surfaceNormalModelspace = normalize(v_StrMatrix * surfaceNormal);
#ifdef APPLY_DIRECTIONAL_LIGHT
lightColor += DirectionalLightColor(surfaceNormalModelspace, weightedDiffuseNormalModelspace);
#endif
#ifdef NUM_LIGHTMAPS
lightColor += LightmapColor(surfaceNormalModelspace, weightedDiffuseNormalModelspace);
#endif
#if defined(NUM_DLIGHTS)
lightColor += DynamicLightsSurfaceColor(v_Position, surfaceNormalModelspace);
#endif
#ifdef APPLY_SPECULAR
#ifdef NORMALIZE_DIFFUSE_NORMAL
myhalf3 specularNormal = normalize (myhalf3 (normalize (weightedDiffuseNormalModelspace)) + myhalf3 (normalize (u_EntityDist - v_Position)));
#else
myhalf3 specularNormal = normalize (weightedDiffuseNormalModelspace + myhalf3 (normalize (u_EntityDist - v_Position)));
#endif
myhalf specularProduct = myhalf(dot (surfaceNormalModelspace, specularNormal));
specular = myhalf3(qf_texture(u_GlossTexture, v_TexCoord).r * u_GlossFactors.x * pow(myhalf(max(specularProduct, 0.0)), u_GlossFactors.y));
#endif // APPLY_SPECULAR
#if defined(APPLY_BASETEX_ALPHA_ONLY) && !defined(APPLY_DRAWFLAT)
color.rgb = lightColor.rgb + specular.rgb;
color = min(color, myhalf4(qf_texture(u_BaseTexture, v_TexCoord).a));
#else
myhalf4 diffuse;
#ifdef APPLY_DRAWFLAT
myhalf n = myhalf(step(DRAWFLAT_NORMAL_STEP, abs(v_StrMatrix[2].z)));
diffuse = myhalf4(mix(u_WallColor, u_FloorColor, n), myhalf(qf_texture(u_BaseTexture, v_TexCoord).a));
#else
diffuse = myhalf4(qf_texture(u_BaseTexture, v_TexCoord));
#endif
#ifdef APPLY_ENTITY_DECAL
myhalf3 entColor = LinearColor(u_EntityColor.rgb);
#ifdef APPLY_ENTITY_DECAL_ADD
decal.rgb = myhalf3(qf_texture(u_EntityDecalTexture, v_TexCoord));
diffuse.rgb += entColor * decal.rgb;
#else
decal = myhalf4(entColor, 1.0) * myhalf4(qf_texture(u_EntityDecalTexture, v_TexCoord));
diffuse.rgb = mix(diffuse.rgb, decal.rgb, decal.a);
#endif // APPLY_ENTITY_DECAL_ADD
#endif // APPLY_ENTITY_DECAL
color = myhalf4(lightColor.rgb * (diffuse.rgb + specular.rgb), diffuse.a);
#endif // defined(APPLY_BASETEX_ALPHA_ONLY) && !defined(APPLY_DRAWFLAT)
#ifdef APPLY_DECAL
#ifdef APPLY_DECAL_ADD
decal.rgb = myhalf3(qf_FrontColor.rgb) * myhalf3(qf_texture(u_DecalTexture, v_TexCoord));
color.rgb += decal.rgb;
#else
decal = myhalf4(qf_FrontColor.rgb, 1.0) * myhalf4(qf_texture(u_DecalTexture, v_TexCoord));
color.rgb = mix(color.rgb, decal.rgb, decal.a);
#endif // APPLY_DECAL_ADD
color.a *= myhalf(qf_FrontColor.a);
#else
#if !defined (APPLY_DIRECTIONAL_LIGHT) || !defined(APPLY_DIRECTIONAL_LIGHT_MIX)
# if defined(APPLY_ENV_MODULATE_COLOR)
color *= myhalf4(qf_FrontColor);
# endif
#else
color.a *= myhalf(qf_FrontColor.a);
#endif
#endif // APPLY_DECAL
#ifdef QF_ALPHATEST
QF_ALPHATEST(color.a);
#endif
#ifdef APPLY_GREYSCALE
color.rgb = Greyscale(color.rgb);
#endif
#if defined(APPLY_FOG) && !defined(APPLY_FOG_COLOR)
myhalf fogDensity = FogDensity(v_TexCoord_FogCoord.pq);
color.rgb = mix(color.rgb, LinearColor(u_FogColor), fogDensity);
#endif
qf_FragColor = vec4(sRGBColor(color));
}