This function will copy one room to another, removing all instances, tiles etc... from the room that is being copied to and replacing them completely with the new room contents.
|index||The index of the original room to be copied from.|
|room||The index of the room to be copied to.|
global.rm = room_add();
The above code will add a new room to the game and then copy the contents of the room indexed as "rm_Base" into it.