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allowing to customize how directional the light is

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git-svn-id: svn://svn.icculus.org/netradiant/trunk@397 61c419a2-8eb2-4b30-bcec-8cead039b335
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divverent 2009-10-04 13:32:41 +00:00
parent cf98832704
commit 714c463815
2 changed files with 24 additions and 0 deletions
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22
tools/quake3/q3map2/light.c
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@ -1455,6 +1455,8 @@ void TraceGrid( int num )
{ {
/* get relative directed strength */ /* get relative directed strength */
d = DotProduct( contributions[ i ].dir, gp->dir ); d = DotProduct( contributions[ i ].dir, gp->dir );
/* we map 1 to gridDirectionality, and 0 to gridAmbientDirectionality */
d = gridAmbientDirectionality + d * (gridDirectionality - gridAmbientDirectionality);
if( d < 0.0f ) if( d < 0.0f )
d = 0.0f; d = 0.0f;
@ -1988,6 +1990,26 @@ int LightMain( int argc, char **argv )
i++; i++;
} }
else if( !strcmp( argv[ i ], "-griddirectionality" ) )
{
f = atof( argv[ i + 1 ] );
if(f < 0) f = 0;
if(f > gridAmbientDirectionality) f = gridAmbientDirectionality;
Sys_Printf( "Grid directionality is %f\n", f );
gridDirectionality *= f;
i++;
}
else if( !strcmp( argv[ i ], "-gridambientdirectionality" ) )
{
f = atof( argv[ i + 1 ] );
if(f > gridDirectionality) f = gridDirectionality
if(f > 1) f = 1;
Sys_Printf( "Grid ambient directionality is %f\n", f );
gridAmbientDirectionality *= f;
i++;
}
else if( !strcmp( argv[ i ], "-gamma" ) ) else if( !strcmp( argv[ i ], "-gamma" ) )
{ {
f = atof( argv[ i + 1 ] ); f = atof( argv[ i + 1 ] );

2
tools/quake3/q3map2/q3map2.h
View File

@ -2221,6 +2221,8 @@ Q_EXTERN float bounceScale Q_ASSIGN( 0.25f );
/* vortex: gridscale and gridambientscale */ /* vortex: gridscale and gridambientscale */
Q_EXTERN float gridScale Q_ASSIGN( 1.0f ); Q_EXTERN float gridScale Q_ASSIGN( 1.0f );
Q_EXTERN float gridAmbientScale Q_ASSIGN( 1.0f ); Q_EXTERN float gridAmbientScale Q_ASSIGN( 1.0f );
Q_EXTERN float gridDirectionality Q_ASSIGN( 1.0f );
Q_EXTERN float gridAmbientDirectionality Q_ASSIGN( 0.0f );
/* ydnar: lightmap gamma/compensation */ /* ydnar: lightmap gamma/compensation */
Q_EXTERN float lightmapGamma Q_ASSIGN( 1.0f ); Q_EXTERN float lightmapGamma Q_ASSIGN( 1.0f );