DrawTile_Trees,           /* draw_tile_proc */

	GetSlopeZ_Trees,          /* get_slope_z_proc */

	ClearTile_Trees,          /* clear_tile_proc */

	GetAcceptedCargo_Trees,   /* get_accepted_cargo_proc */

	GetTileDesc_Trees,        /* get_tile_desc_proc */

	GetTileTrackStatus_Trees, /* get_tile_track_status_proc */

	ClickTile_Trees,          /* click_tile_proc */

	AnimateTile_Trees,        /* animate_tile_proc */

	TileLoop_Trees,           /* tile_loop_clear */

	ChangeTileOwner_Trees,    /* change_tile_owner_clear */

	NULL,                     /* get_produced_cargo_proc */

	NULL,                     /* vehicle_enter_tile_proc */

	GetSlopeTileh_Trees,      /* get_slope_tileh_proc */