stock GetSlopeAtPoint(playerid, X, Y, &Float:RXAngle, &Float:RYAngle)
{
    new Float:North[3], Float:South[3], Float:East[3], Float:West[3], Float:opposite, Float:hypotenuse;

    // Set slope positions
    North[0] = X;
    North[1] = Y + 1;

    South[0] = X;
    South[1] = Y - 1;

    East[0] = X + 1;
    East[1] = Y;

    West[0] = X - 1;
    West[1] = Y;

    // Use map andreas to get Z Values
    MapAndreas_FindZ_For2DCoord(North[0], North[1], North[2]);
    MapAndreas_FindZ_For2DCoord(South[0], South[1], South[2]);
    MapAndreas_FindZ_For2DCoord(East[0], East[1], East[2]);
    MapAndreas_FindZ_For2DCoord(West[0], West[1], West[2]);

    // Calculate Slope angles
    // North South RX
    hypotenuse = getdist3d(North[0], North[1], North[2], South[0], South[1], South[2]);
    opposite = getdist3d(North[0], North[1], North[2], North[0], North[1], South[2]);

    RXAngle = asin(floatdiv(opposite, hypotenuse));
    if(South[2] > North[2]) RXAngle *= -1;

    // West East RY
    hypotenuse = getdist3d(West[0], West[1], West[2], East[0], East[1], East[2]);
    opposite = getdist3d(West[0], West[1], West[2], West[0], West[1], East[2]);

    RYAngle = asin(floatdiv(opposite, hypotenuse));
    if(East[2] > West[2]) RYAngle *= -1;
    return 1;
}