Function ModAlpha

engine/Poseidon/UI/DisplayUI.cpp:695–700

    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);
                break;
            case 0: