Merge branch 'NateEag-master-patch-12920' into 'master'

[xonotic/netradiant.git] / tools / quake3 / q3map2 / light_ydnar.c

diff --git a/tools/quake3/q3map2/light_ydnar.c b/tools/quake3/q3map2/light_ydnar.c
index 6317d14755466fe1a625e601efd622e9c81c5146..eee4a17362c7ddf71d218aca2de8a4a9be6c73d4 100644 (file)
--- a/tools/quake3/q3map2/light_ydnar.c
+++ b/tools/quake3/q3map2/light_ydnar.c
@@ -55,6 +55,8 @@ void ColorToBytes( const float *color, byte *colorBytes, float scale ){
        if ( scale <= 0.0f ) {
                scale = 1.0f;
        }
+       /* globally */
+       scale *= lightmapBrightness;
 
        /* make a local copy */
        VectorScale( color, scale, sample );
@@ -119,6 +121,23 @@ void ColorToBytes( const float *color, byte *colorBytes, float scale ){
        /* compensate for ingame overbrighting/bitshifting */
        VectorScale( sample, ( 1.0f / lightmapCompensate ), sample );
 
+       /* contrast */
+       if ( lightmapContrast != 1.0f ){
+               for ( i = 0; i < 3; i++ ){
+                       sample[i] = lightmapContrast * ( sample[i] - 128 ) + 128;
+                       if ( sample[i] < 0 ){
+                               sample[i] = 0;
+                       }
+               }
+               if ( ( sample[0] > 255 ) || ( sample[1] > 255 ) || ( sample[2] > 255 ) ) {
+                       max = sample[0] > sample[1] ? sample[0] : sample[1];
+                       max = max > sample[2] ? max : sample[2];
+                       sample[0] = sample[0] * 255 / max;
+                       sample[1] = sample[1] * 255 / max;
+                       sample[2] = sample[2] * 255 / max;
+               }
+       }
+
        /* sRGB lightmaps */
        if ( lightmapsRGB ) {
                sample[0] = floor( Image_sRGBFloatFromLinearFloat( sample[0] * ( 1.0 / 255.0 ) ) * 255.0 + 0.5 );
@@ -1239,6 +1258,7 @@ void MapRawLightmap( int rawLightmapNum ){
           ----------------------------------------------------------------- */
 
        /* walk the luxels */
+       /* FIXME: superSample is int, no need in floor() */
        radius = floor( superSample / 2 );
        radius = radius > 0 ? radius : 1.0f;
        radius += 1.0f;
@@ -1809,7 +1829,7 @@ static void SubsampleRawLuxel_r( rawLightmap_t *lm, trace_t *trace, vec3_t sampl
        int b, samples, mapped, lighted;
        int cluster[ 4 ];
        vec4_t luxel[ 4 ];
-       vec3_t deluxel[ 3 ];
+       vec3_t deluxel[ 4 ];
        vec3_t origin[ 4 ], normal[ 4 ];
        float biasDirs[ 4 ][ 2 ] = { { -1.0f, -1.0f }, { 1.0f, -1.0f }, { -1.0f, 1.0f }, { 1.0f, 1.0f } };
        vec3_t color, direction = { 0, 0, 0 }, total;
@@ -2219,7 +2239,7 @@ void IlluminateRawLightmap( int rawLightmapNum ){
                        }
 
                        /* set luxel filter radius */
-                       luxelFilterRadius = superSample * filterRadius / lm->sampleSize;
+                       luxelFilterRadius = lm->sampleSize != 0 ? superSample * filterRadius / lm->sampleSize : 0;
                        if ( luxelFilterRadius == 0 && ( filterRadius > 0.0f || filter ) ) {
                                luxelFilterRadius = 1;
                        }
@@ -3153,7 +3173,6 @@ void IlluminateVertexes( int num ){
 void SetupBrushesFlags( unsigned int mask_any, unsigned int test_any, unsigned int mask_all, unsigned int test_all ){
        int i, j, b;
        unsigned int compileFlags, allCompileFlags;
-       qboolean inside;
        bspBrush_t      *brush;
        bspBrushSide_t  *side;
        bspShader_t     *shader;
@@ -3180,10 +3199,9 @@ void SetupBrushesFlags( unsigned int mask_any, unsigned int test_any, unsigned i
                brush = &bspBrushes[ b ];
 
                /* check all sides */
-               inside = qtrue;
                compileFlags = 0;
                allCompileFlags = ~( 0u );
-               for ( j = 0; j < brush->numSides && inside; j++ )
+               for ( j = 0; j < brush->numSides; j++ )
                {
                        /* do bsp shader calculations */
                        side = &bspBrushSides[ brush->firstSide + j ];