Function ClassifyAMFaces

Descent3/TelComAutoMap.cpp:206–234

void AutomapClearVisMap() { memset(AutomapVisMap, 0, MAX_ROOMS); }

void ClassifyAMFaces() {
  int i = 0;
  for (i = 0; i <= Highest_room_index; i++) {
    if (Rooms[i].used) {
      Small_faces[i] = (uint8_t *)mem_malloc(Rooms[i].num_faces);
      ASSERT(Small_faces[i]);

      memset(Small_faces[i], 0, Rooms[i].num_faces);

      room *rp = &Rooms[i];

      for (int t = 0; t < rp->num_faces; t++) {
        face *fp = &rp->faces[t];

        vector verts[MAX_VERTS_PER_FACE];
        vector center;
        for (int k = 0; k < fp->num_verts; k++)
          verts[k] = rp->verts[fp->face_verts[k]];

        float size = vm_GetCentroidFast(&center, verts, fp->num_verts);

        if (size < 120)
          Small_faces[i][t] = 1;
        if (size < 60)
          Small_faces[i][t] = 2;
      }
    }
  }
}

void FreeAMFaces() {
  for (int i = 0; i <= Highest_room_index; i++) {