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unfinished -minimap support in bsp.c, do not use yet, format is not correct yet
git-svn-id: svn://svn.icculus.org/netradiant/trunk@328 61c419a2-8eb2-4b30-bcec-8cead039b335
This commit is contained in:
divverent
Thomas Debesse
parent
cfeea25feb
commit
3597ccd239
1 changed files with 138 additions and 4 deletions
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@ -44,6 +44,132 @@
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------------------------------------------------------------------------------- */
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static const char *miniMap = NULL;
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void WriteTGA24( char *filename, byte *data, int width, int height, qboolean flip );
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qboolean BrushIntersectionWithLine(bspBrush_t *brush, vec3_t start, vec3_t dir, float *t_in, float *t_out)
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{
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int i;
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qboolean in = qfalse, out = qfalse;
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bspBrushSide_t *sides = &bspBrushSides[brush->firstSide];
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for(i = 0; i < brush->numSides; ++i)
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{
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bspPlane_t *p = &bspPlanes[sides[i].planeNum];
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float sn = DotProduct(start, p->normal);
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float dn = DotProduct(dir, p->normal);
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if(dn == 0)
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{
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if(sn > p->dist)
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return qfalse; // outside!
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}
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else
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{
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float t = (p->dist - sn) / dn;
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if(dn < 0)
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{
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if(!in || t > *t_in)
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{
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*t_in = t;
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in = qtrue;
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// as t_in can only increase, and t_out can only decrease, early out
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if(*t_in >= *t_out)
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return qfalse;
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}
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}
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else
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{
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if(!out || t < *t_out)
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{
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*t_out = t;
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out = qtrue;
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// as t_in can only increase, and t_out can only decrease, early out
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if(*t_in >= *t_out)
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return qfalse;
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}
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}
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}
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}
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return in && out;
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}
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static float MiniMapSample(float x, float y)
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{
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vec3_t org, dir;
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int i, bi;
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float t0, t1;
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float samp;
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bspBrush_t *b;
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int cnt;
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org[0] = x;
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org[1] = y;
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org[2] = 0;
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dir[0] = 0;
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dir[1] = 0;
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dir[2] = 1;
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cnt = 0;
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samp = 0;
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for(i = 0; i < bspModels[0].numBSPBrushes; ++i)
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{
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bi = bspModels[0].firstBSPBrush + i;
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if(opaqueBrushes[bi >> 3] & (1 << (bi & 7)))
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{
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b = &bspBrushes[bi];
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if(BrushIntersectionWithLine(b, org, dir, &t0, &t1))
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{
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samp += t1 - t0;
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++cnt;
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}
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}
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}
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return samp;
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}
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#define MINIMAP_SIZE 512
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#define MINIMAP_SAMPLES 16
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static byte radarmapdata[MINIMAP_SIZE * MINIMAP_SIZE * 3];
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static vec3_t mi_min, mi_sz;
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static void GenerateMiniMapRunner(int y)
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{
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int x, i;
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float ymin = mi_min[1] + mi_sz[1] * ( y / (float) MINIMAP_SIZE);
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float ymax = mi_min[1] + mi_sz[1] * ((y + 1) / (float) MINIMAP_SIZE);
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for(x = 0; x < MINIMAP_SIZE; ++x)
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{
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byte *p = &radarmapdata[(y * MINIMAP_SIZE + x) * 3];
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float xmin = mi_min[0] + mi_sz[0] * ( x / (float) MINIMAP_SIZE);
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float xmax = mi_min[0] + mi_sz[0] * ((x + 1) / (float) MINIMAP_SIZE);
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float val = 0;
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for(i = 0; i < MINIMAP_SAMPLES; ++i)
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val += MiniMapSample(
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xmin + Random() * (xmax - xmin),
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ymin + Random() * (ymax - ymin)
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);
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val /= MINIMAP_SAMPLES * mi_sz[2];
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if(val < 0)
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val = 0;
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if(val > 255.0/256.0)
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val = 255.0/256.0;
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p[0] = p[1] = p[2] = val * 256.0;
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}
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}
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static void GenerateMiniMap()
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{
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VectorCopy(bspModels[0].mins, mi_min);
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VectorSubtract(bspModels[0].maxs, bspModels[0].mins, mi_sz);
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SetupBrushes();
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Sys_Printf( "\n--- GenerateMiniMap (%d) ---\n", MINIMAP_SIZE );
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RunThreadsOnIndividual(MINIMAP_SIZE, qtrue, GenerateMiniMapRunner);
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WriteTGA24(miniMap, radarmapdata, MINIMAP_SIZE, MINIMAP_SIZE, qfalse);
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}
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/*
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ProcessAdvertisements()
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@ -852,12 +978,16 @@ int BSPMain( int argc, char **argv ){
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Sys_Printf( "Deep BSP tree generation enabled\n" );
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deepBSP = qtrue;
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}
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else if( !strcmp( argv[ i ], "-bsp" ) )
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else if( !strcmp( argv[ i ], "-minimap" ) )
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{
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Sys_Printf( "-bsp argument unnecessary\n" );
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miniMap = argv[i + 1];
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i++;
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}
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else{
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Sys_FPrintf( SYS_WRN, "WARNING: Unknown option \"%s\"\n", argv[ i ] );
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else if( !strcmp( argv[ i ], "-bsp" ) )
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Sys_Printf( "-bsp argument unnecessary\n" );
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else
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{
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Sys_Printf( "WARNING: Unknown option \"%s\"\n", argv[ i ] );
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}
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}
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@ -925,6 +1055,10 @@ int BSPMain( int argc, char **argv ){
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/* finish and write bsp */
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EndBSPFile();
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/* write the mini map if needed */
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if(miniMap)
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GenerateMiniMap();
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/* remove temp map source file if appropriate */
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if ( strlen( tempSource ) > 0 ) {
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remove( tempSource );
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