Method AddKey

engine/Poseidon/UI/DisplayUI.cpp:654–693

    _keys[action].Add(key);
    _collisions[action].Add(collision);
}

inline PackedColor ModAlpha(PackedColor color, float alpha)
{
    int a = toInt(alpha * color.A8());
    saturate(a, 0, 255);
    return PackedColorRGB(color, a);
}

void CKeys::DrawItem(Vector3Par position, Vector3Par down, int i, float alpha)
{
    float y1c = 0;
    float y2c = 1;
    if (i < _topString)
    {
        y1c = _topString - i;
    }
    if (i > _topString + _rows - 1)
    {
        y2c = _topString + _rows - i;
    }

    Vector3 normal = _down.CrossProduct(_right).Normalized();

    Vector3 rightSB = _right;
    if (GetSize() > _rows)
    {
        rightSB = (1.0 - _sb3DWidth) * _right;
    }
    float rightSBSize = rightSB.Size();
    Vector3 border = 0.02 * _right;

    bool selected = i == GetCurSel() && IsEnabled();
    PackedColor color = ModAlpha(GetFtColor(i), alpha);
    PackedColor selColor = color;
    if (selected && _showSelected)
    {
        PackedColor selBgColor = ModAlpha(_selBgColor, alpha);
        switch (_mode)
        {
            case -1:
                GEngine->Draw3D(position, down, 0.4 * rightSB, ClipAll, selBgColor, DisableSun, nullptr, 0, y1c, 1,
                                y2c);