45 enum GrfLoadingStage {
 
   58   GMB_DESERT_TREES_FIELDS    = 0, 
 
   59   GMB_DESERT_PAVED_ROADS     = 1,
 
   60   GMB_FIELD_BOUNDING_BOX     = 2, 
 
   62   GMB_AMBIENT_SOUND_CALLBACK = 4,
 
   63   GMB_CATENARY_ON_3RD_TRACK  = 5, 
 
   64   GMB_SECOND_ROCKY_TILE_SET  = 6,
 
   94 static const uint32 INVALID_GRFID = 0xFFFFFFFF;
 
  151     return (number < this->
param_end) ? this->param[number] : 0;
 
  178   return HasBit(_misc_grf_features, bit);
 
  187 void LoadNewGRF(uint load_index, uint file_index);
 
  192 void CDECL 
grfmsg(
int severity, 
const char *str, ...) WARN_FORMAT(2, 3);