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add shader key q3map_noDirty, which disables the dirty pass on the surface. It's handy for lightmapped terrain models where dirty produces odd darkness on mesh splits.

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This commit is contained in:
jal 2010-05-29 12:22:02 +02:00
parent 1a0d1500f7
commit 778af4dde0
3 changed files with 32 additions and 3 deletions
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24
tools/quake3/q3map2/light_ydnar.c
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@ -1546,7 +1546,8 @@ void DirtyRawLightmap( int rawLightmapNum )
rawLightmap_t *lm; rawLightmap_t *lm;
surfaceInfo_t *info; surfaceInfo_t *info;
trace_t trace; trace_t trace;
qboolean noDirty;
/* bail if this number exceeds the number of raw lightmaps */ /* bail if this number exceeds the number of raw lightmaps */
if( rawLightmapNum >= numRawLightmaps ) if( rawLightmapNum >= numRawLightmaps )
@ -1578,6 +1579,20 @@ void DirtyRawLightmap( int rawLightmapNum )
break; break;
} }
} }
noDirty = qfalse;
for( i = 0; i < trace.numSurfaces; i++ )
{
/* get surface */
info = &surfaceInfos[ trace.surfaces[ i ] ];
/* check twosidedness */
if( info->si->noDirty )
{
noDirty = qtrue;
break;
}
}
/* gather dirt */ /* gather dirt */
for( y = 0; y < lm->sh; y++ ) for( y = 0; y < lm->sh; y++ )
@ -1596,6 +1611,13 @@ void DirtyRawLightmap( int rawLightmapNum )
/* only look at mapped luxels */ /* only look at mapped luxels */
if( *cluster < 0 ) if( *cluster < 0 )
continue; continue;
/* don't apply dirty on this surface */
if( noDirty )
{
*dirt = 1.0f;
continue;
}
/* copy to trace */ /* copy to trace */
trace.cluster = *cluster; trace.cluster = *cluster;

3
tools/quake3/q3map2/q3map2.h
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@ -749,7 +749,8 @@ typedef struct shaderInfo_s
qb_t noFog; /* ydnar: supress fogging */ qb_t noFog; /* ydnar: supress fogging */
qb_t clipModel; /* ydnar: solid model hack */ qb_t clipModel; /* ydnar: solid model hack */
qb_t noVertexLight; /* ydnar: leave vertex color alone */ qb_t noVertexLight; /* ydnar: leave vertex color alone */
qb_t noDirty; /* jal: do not apply the dirty pass to this surface */
byte styleMarker; /* ydnar: light styles hack */ byte styleMarker; /* ydnar: light styles hack */
float vertexScale; /* vertex light scale */ float vertexScale; /* vertex light scale */

8
tools/quake3/q3map2/shaders.c
View File

@ -1523,6 +1523,12 @@ static void ParseShaderFile( const char *filename )
GetTokenAppend( shaderText, qfalse ); GetTokenAppend( shaderText, qfalse );
si->floodlightDirectionScale = atof( token ); si->floodlightDirectionScale = atof( token );
} }
/* jal: q3map_nodirty : skip dirty */
else if( !Q_stricmp( token, "q3map_nodirty" ) )
{
si->noDirty = qtrue;
}
/* q3map_lightmapSampleSize <value> */ /* q3map_lightmapSampleSize <value> */
else if( !Q_stricmp( token, "q3map_lightmapSampleSize" ) ) else if( !Q_stricmp( token, "q3map_lightmapSampleSize" ) )
@ -1668,7 +1674,7 @@ static void ParseShaderFile( const char *filename )
si->offset = atof( token ); si->offset = atof( token );
} }
/* ydnar: q3map_textureSize <width> <height> (substitute for q3map_lightimage derivation for terrain) */ /* ydnar: q3map_fur <numlayers> <offset> <fade> */
else if( !Q_stricmp( token, "q3map_fur" ) ) else if( !Q_stricmp( token, "q3map_fur" ) )
{ {
GetTokenAppend( shaderText, qfalse ); GetTokenAppend( shaderText, qfalse );