//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_CheckArea(tmp_area_t *tmparea)
{
int side;
tmp_face_t *face;
plane_t *plane;
vec3_t wcenter, acenter = {0, 0, 0};
vec3_t normal;
float n, dist;
if (tmparea->invalid) Log_Print("AAS_CheckArea: invalid area\n");
for (n = 0, face = tmparea->tmpfaces; face; face = face->next[side])
{
//side of the face the area is on
side = face->frontarea != tmparea;
WindingCenter(face->winding, wcenter);
VectorAdd(acenter, wcenter, acenter);
n++;
} //end for
n = 1 / n;
VectorScale(acenter, n, acenter);
for (face = tmparea->tmpfaces; face; face = face->next[side])
{
//side of the face the area is on
side = face->frontarea != tmparea;
#ifdef L_DEBUG
if (WindingError(face->winding))
{
Log_Write("AAS_CheckArea: area %d face %d: %s\r\n", tmparea->areanum,
face->num, WindingErrorString());
} //end if
#endif
plane = &mapplanes[face->planenum ^ side];
if (DotProduct(plane->normal, acenter) - plane->dist < 0)
{
Log_Print("AAS_CheckArea: area %d face %d is flipped\n", tmparea->areanum, face->num);
Log_Print("AAS_CheckArea: area %d center is %f %f %f\n", tmparea->areanum, acenter[0], acenter[1], acenter[2]);
} //end if
//check if the winding plane is the same as the face plane
WindingPlane(face->winding, normal, &dist);
plane = &mapplanes[face->planenum];
#ifdef L_DEBUG
if (fabs(dist - plane->dist) > 0.4 ||
fabs(normal[0] - plane->normal[0]) > 0.0001 ||
fabs(normal[1] - plane->normal[1]) > 0.0001 ||
fabs(normal[2] - plane->normal[2]) > 0.0001)
{
Log_Write("AAS_CheckArea: area %d face %d winding plane unequal to face plane\r\n",
tmparea->areanum, face->num);
} //end if
#endif
} //end for
} //end of the function AAS_CheckArea
void Sin_FixTextureReferences( void ) {
int i, j, k, we;
sin_dbrushside_t *brushside;
sin_dbrush_t *brush;
sin_dface_t *face;
winding_t *w;
memset( sin_dbrushsidetextured, false, SIN_MAX_MAP_BRUSHSIDES );
//go over all the brushes
for ( i = 0; i < sin_numbrushes; i++ )
{
brush = &sin_dbrushes[i];
//hint brushes are not textured
if ( Sin_HintSkipBrush( brush ) ) {
continue;
}
//go over all the sides of the brush
for ( j = 0; j < brush->numsides; j++ )
{
brushside = &sin_dbrushsides[brush->firstside + j];
//
w = Sin_BrushSideWinding( brush, brushside );
if ( !w ) {
sin_dbrushsidetextured[brush->firstside + j] = true;
continue;
} //end if
else
{
//RemoveEqualPoints(w, 0.2);
if ( WindingIsTiny( w ) ) {
FreeWinding( w );
sin_dbrushsidetextured[brush->firstside + j] = true;
continue;
} //end if
else
{
we = WindingError( w );
if ( we == WE_NOTENOUGHPOINTS
|| we == WE_SMALLAREA
|| we == WE_POINTBOGUSRANGE
// || we == WE_NONCONVEX
) {
FreeWinding( w );
sin_dbrushsidetextured[brush->firstside + j] = true;
continue;
} //end if
} //end else
} //end else
if ( WindingArea( w ) < 20 ) {
sin_dbrushsidetextured[brush->firstside + j] = true;
} //end if
//find a face for texturing this brush
for ( k = 0; k < sin_numfaces; k++ )
{
face = &sin_dfaces[k];
//if the face is in the same plane as the brush side
if ( ( face->planenum & ~1 ) != ( brushside->planenum & ~1 ) ) {
continue;
}
//if the face is partly or totally on the brush side
if ( Sin_FaceOnWinding( face, w ) ) {
brushside->texinfo = face->texinfo;
sin_dbrushsidetextured[brush->firstside + j] = true;
break;
} //end if
} //end for
FreeWinding( w );
} //end for
} //end for
} //end of the function Sin_FixTextureReferences*/
void Q3_FindVisibleBrushSides(void)
{
int i, j, k, we, numtextured, numsides;
float dot;
dplane_t *plane;
dbrushside_t *brushside;
dbrush_t *brush;
dsurface_t *surface;
winding_t *w;
memset(dbrushsidetextured, false, MAX_MAP_BRUSHSIDES);
//
numsides = 0;
//create planes for the planar surfaces
Q3_CreatePlanarSurfacePlanes();
Log_Print("searching visible brush sides...\n");
Log_Print("%6d brush sides", numsides);
//go over all the brushes
for (i = 0; i < q3_numbrushes; i++)
{
brush = &dbrushes[i];
//go over all the sides of the brush
for (j = 0; j < brush->numSides; j++)
{
qprintf("\r%6d", numsides++);
brushside = &dbrushsides[brush->firstSide + j];
//
w = Q3_BrushSideWinding(brush, brushside);
if (!w)
{
dbrushsidetextured[brush->firstSide + j] = true;
continue;
} //end if
else
{
//RemoveEqualPoints(w, 0.2);
if (WindingIsTiny(w))
{
FreeWinding(w);
dbrushsidetextured[brush->firstSide + j] = true;
continue;
} //end if
else
{
we = WindingError(w);
if (we == WE_NOTENOUGHPOINTS
|| we == WE_SMALLAREA
|| we == WE_POINTBOGUSRANGE
// || we == WE_NONCONVEX
)
{
FreeWinding(w);
dbrushsidetextured[brush->firstSide + j] = true;
continue;
} //end if
} //end else
} //end else
if (WindingArea(w) < 20)
{
dbrushsidetextured[brush->firstSide + j] = true;
continue;
} //end if
//find a face for texturing this brush
for (k = 0; k < q3_numDrawSurfaces; k++)
{
surface = &drawSurfaces[k];
if (surface->surfaceType != MST_PLANAR) continue;
//
//Q3_SurfacePlane(surface, plane.normal, &plane.dist);
plane = &q3_surfaceplanes[k];
//the surface plane and the brush side plane should be pretty much the same
if (fabs(fabs(plane->dist) - fabs(dplanes[brushside->planeNum].dist)) > 5) continue;
dot = DotProduct(plane->normal, dplanes[brushside->planeNum].normal);
if (dot > -0.9 && dot < 0.9) continue;
//if the face is partly or totally on the brush side
if (Q3_FaceOnWinding(surface, w))
{
dbrushsidetextured[brush->firstSide + j] = true;
//Log_Write("Q3_FaceOnWinding");
break;
} //end if
} //end for
FreeWinding(w);
} //end for
} //end for
qprintf("\r%6d brush sides\n", numsides);
numtextured = 0;
for (i = 0; i < q3_numbrushsides; i++)
{
if (forcesidesvisible) dbrushsidetextured[i] = true;
if (dbrushsidetextured[i]) numtextured++;
} //end for
Log_Print("%d brush sides textured out of %d\n", numtextured, q3_numbrushsides);
} //end of the function Q3_FindVisibleBrushSides