src/game/TileEngine/Buildings.cc
FOR_EACH_WORLD_TILE(i)
	{
		i->uiFlags       &= ~MAPELEMENT_REACHABLE;
		i->ubExtFlags[0] &= ~MAPELEMENT_EXT_ROOFCODE_VISITED;
	}
// reset ALL reachable flags
// do once before we start building generation for
// whole map
reset ALL reachable flags
do once before we start building generation for
whole map
reset ALL reachable flags do once before we start building generation for whole map
FOR_EACH_WORLD_TILE(i)
	{
		i->uiFlags       &= ~MAPELEMENT_REACHABLE;
		i->ubExtFlags[0] &= ~MAPELEMENT_EXT_ROOFCODE_VISITED;
	}
FOR_EACH_WORLD_TILE ( i ) { i -> uiFlags &= ~ MAPELEMENT_REACHABLE ; i -> ubExtFlags [ 0 ] &= ~ MAPELEMENT_EXT_ROOFCODE_VISITED ; }
reset ALL reachable flags
do once before we start building generation for
whole map
reset ALL reachable flags do once before we start building generation for whole map