NScumm.Scumm.Audio.IMuse.IMuseInternal.EnqueueTrigger C# (CSharp) Method

        protected int EnqueueTrigger(int sound, int marker)
        {
            var pos = _queue_pos;

            var p = _cmd_queue[pos].array;
            p[0] = TriggerId;
            p[1] = sound;
            p[2] = marker;

            pos = (uint)((pos + 1) % _cmd_queue.Length);
            if (_queue_end == pos)
            {
                _queue_pos = (uint)((pos - 1) % _cmd_queue.Length);
                return -1;
            }

            _queue_pos = pos;
            _queue_adding = true;
            _queueSound = (uint)sound;
            _queue_marker = (byte)marker;
            return 0;
        }