Engine.PlayerPawn

// Determines how weapons and their muzzle flash are placed and scaled when drawn in the first person view.
// 0 - the weapon and its muzzle flash are placed and scaled like in UT 436.
// > 0 - muzzle flash is adjusted by the viewport's aspect ratio and FOVAngle.
// 1 - the weapon is placed like in UT 436, taking 4:3 FOV as the FOVAngle.
// 2 - the weapon is placed at its default position or possibly shifted from such a position closer to the viewport
//     depending on viewport's FOVAngle and WeaponFOVScaling.
var globalconfig transient byte WeaponFOVFix;

// Determines how much the weapon is moved towards the viewport when using WeaponFOVFix == 2 with a large FOVAngle.
// Min value is 0.0 which corresponds to the Unreal 1 method, max value is 1.0.
var globalconfig transient float WeaponFOVScaling;


exec function SetNarrowFOV(float FOV)
{
    local string CurrentRes;
    local int i;
    local float ScreenWidth, ScreenHeight;

    CurrentRes = ConsoleCommand("GetCurrentRes");
    i = InStr(CurrentRes, "x");
    if (i > 0)
    {
        ScreenWidth = int(Left(CurrentRes, i));
        ScreenHeight = int(Mid(CurrentRes, i + 1));
        if (ScreenWidth > 0 && ScreenHeight > 0)
            SetDesiredFOV(Atan(Tan(FClamp(FOV, 1.0, 179.0) * Pi / 360.0) *
                FMax(1.0, 0.75 * ScreenWidth / ScreenHeight)) * 360.0 / Pi);
    }
}