setSFXoccupy(setSFXoccupy_argument)
{
terraintype = setSFXoccupy_argument;

                if(terraintype == 2)
		{
                move base to y-axis [-0.85] speed [50];
                set UPRIGHT to 1;
                }
		else
		{
                move base to y-axis [0.0] speed [50];
                set UPRIGHT to 0;
                }
                if(terraintype == 4)
		{
                move base to y-axis [0] speed [50];
                set UPRIGHT to 0;
                }
		else
		{
                move base to y-axis [-0.85] speed [50];
                set UPRIGHT to 1;
                }
}