non mutable for_each.cpp

//add actor doesn't have the desired effect unless the tile can be passed as a reference, but there doesn't seem to be a way to do that

void addActor( igsTile tile ) { tile.activateModule( MODULE_ACTOR ); }

igsDungeonMap::igsDungeonMap(int x, int y):
m_iMapID(0),
m_dungeon(),
m_players(),
m_mobs(),
m_items()
{
  m_dungeon.resize( x );
  TYPE_2D_TILE_VECTOR::iterator it = m_dungeon.begin();
  while( it != m_dungeon.end() ) {
    it->resize( y );
    for_each( it->begin(), it->end(), &igsDungeonMap::addActor );
    it++;
  }
}