txd = engineLoadTXD ( "tree1.txd" ) engineImportTXD ( txd, 623 ) txd = engineLoadTXD ( "tree3.txd" ) engineImportTXD ( txd, 622 ) txd = engineLoadTXD ( "tree2.txd" ) engineImportTXD ( txd, 621 ) dff = engineLoadDFF ( "tree3.dff", 622 ) engineReplaceModel ( dff, 622 ) dff = engineLoadDFF ( "tree2.dff", 621 ) engineReplaceModel ( dff, 621 ) dff = engineLoadDFF ( "tree1.dff", 623 ) engineReplaceModel ( dff, 623 )