void AAS_FloodAreas(vec3_t origin)
{
int areanum, cluster, *done;
done = (int *) GetClearedMemory(aasworld.numareas * sizeof(int));
areanum = AAS_PointAreaNum(origin);
cluster = AAS_AreaCluster(areanum);
AAS_FloodAreas_r(areanum, cluster, done);
}
/*
=======================================================================================================================================
AAS_FloodAreas_r
=======================================================================================================================================
*/
void AAS_FloodAreas_r(int areanum, int cluster, int *done) {
int nextareanum, i, facenum;
aas_area_t *area;
aas_face_t *face;
aas_areasettings_t *settings;
aas_reachability_t *reach;
AAS_ShowAreaPolygons(areanum, 1, qtrue);
// pointer to the convex area
area = &aasworld.areas[areanum];
settings = &aasworld.areasettings[areanum];
// walk through the faces of the area
for (i = 0; i < area->numfaces; i++) {
facenum = abs(aasworld.faceindex[area->firstface + i]);
face = &aasworld.faces[facenum];
if (face->frontarea == areanum) {
nextareanum = face->backarea;
} else {
nextareanum = face->frontarea;
}
if (!nextareanum) {
continue;
}
if (done[nextareanum]) {
continue;
}
done[nextareanum] = qtrue;
if (aasworld.areasettings[nextareanum].contents & AREACONTENTS_VIEWPORTAL) {
continue;
}
if (AAS_AreaCluster(nextareanum) != cluster) {
continue;
}
AAS_FloodAreas_r(nextareanum, cluster, done);
}
for (i = 0; i < settings->numreachableareas; i++) {
reach = &aasworld.reachability[settings->firstreachablearea + i];
nextareanum = reach->areanum;
if (!nextareanum) {
continue;
}
if (done[nextareanum]) {
continue;
}
done[nextareanum] = qtrue;
if (aasworld.areasettings[nextareanum].contents & AREACONTENTS_VIEWPORTAL) {
continue;
}
if (AAS_AreaCluster(nextareanum) != cluster) {
continue;
}
/*
if ((reach->traveltype & TRAVELTYPE_MASK) == TRAVEL_WALKOFFLEDGE) {
AAS_DebugLine(reach->start, reach->end, 1);
}
*/
AAS_FloodAreas_r(nextareanum, cluster, done);
}
}
