Beispiel #1
0
 public void Init(Track owner, Note note, ADSR adsr, int sampleOffset, byte vol, sbyte pan, int pitch, bool bFixed, bool bCompressed)
 {
     State = EnvelopeState.Initializing;
     _pos  = 0; _interPos = 0;
     if (Owner != null)
     {
         Owner.Channels.Remove(this);
     }
     Owner = owner;
     Owner.Channels.Add(this);
     Note                = note;
     _adsr               = adsr;
     _sampleHeader       = _mixer.Config.Reader.ReadObject <SampleHeader>(sampleOffset);
     _sampleOffset       = sampleOffset + 0x10;
     _bFixed             = bFixed;
     _bCompressed        = bCompressed;
     _decompressedSample = bCompressed ? Utils.Decompress(_sampleOffset, _sampleHeader.Length) : null;
     _bGoldenSun         = _mixer.Config.HasGoldenSunSynths && _sampleHeader.DoesLoop == 0x40000000 && _sampleHeader.LoopOffset == 0 && _sampleHeader.Length == 0;
     if (_bGoldenSun)
     {
         _gsPSG = _mixer.Config.Reader.ReadObject <GoldenSunPSG>(_sampleOffset);
     }
     SetVolume(vol, pan);
     SetPitch(pitch);
 }
Beispiel #2
0
        public PSGChannel AllocPSGChannel(Track owner, ADSR env, Note note, byte vol, sbyte pan, int instPan, int pitch, VoiceType type, object arg)
        {
            PSGChannel nChn;

            switch (type)
            {
            case VoiceType.Square1:
            {
                nChn = _sq1;
                if (nChn.State < EnvelopeState.Releasing && nChn.Owner.Index < owner.Index)
                {
                    return(null);
                }
                _sq1.Init(owner, note, env, instPan, (SquarePattern)arg);
                break;
            }

            case VoiceType.Square2:
            {
                nChn = _sq2;
                if (nChn.State < EnvelopeState.Releasing && nChn.Owner.Index < owner.Index)
                {
                    return(null);
                }
                _sq2.Init(owner, note, env, instPan, (SquarePattern)arg);
                break;
            }

            case VoiceType.PCM4:
            {
                nChn = _pcm4;
                if (nChn.State < EnvelopeState.Releasing && nChn.Owner.Index < owner.Index)
                {
                    return(null);
                }
                _pcm4.Init(owner, note, env, instPan, (int)arg);
                break;
            }

            case VoiceType.Noise:
            {
                nChn = _noise;
                if (nChn.State < EnvelopeState.Releasing && nChn.Owner.Index < owner.Index)
                {
                    return(null);
                }
                _noise.Init(owner, note, env, instPan, (NoisePattern)arg);
                break;
            }

            default: return(null);
            }
            nChn.SetVolume(vol, pan);
            nChn.SetPitch(pitch);
            return(nChn);
        }
Beispiel #3
0
        public void Init(Track owner, Note note, ADSR env, SquarePattern pattern)
        {
            Init(owner, note, env);
            switch (pattern)
            {
            default: _pat = Utils.SquareD12; break;

            case SquarePattern.D12: _pat = Utils.SquareD25; break;

            case SquarePattern.D25: _pat = Utils.SquareD50; break;

            case SquarePattern.D75: _pat = Utils.SquareD75; break;
            }
        }
Beispiel #4
0
        public PCM8Channel AllocPCM8Channel(Track owner, ADSR env, Note note, byte vol, sbyte pan, int instPan, int pitch, bool bFixed, bool bCompressed, int sampleOffset)
        {
            PCM8Channel nChn = null;
            IOrderedEnumerable <PCM8Channel> byOwner = _pcm8Channels.OrderByDescending(c => c.Owner == null ? 0xFF : c.Owner.Index);

            foreach (PCM8Channel i in byOwner) // Find free
            {
                if (i.State == EnvelopeState.Dead || i.Owner == null)
                {
                    nChn = i;
                    break;
                }
            }
            if (nChn == null) // Find releasing
            {
                foreach (PCM8Channel i in byOwner)
                {
                    if (i.State == EnvelopeState.Releasing)
                    {
                        nChn = i;
                        break;
                    }
                }
            }
            if (nChn == null) // Find prioritized
            {
                foreach (PCM8Channel i in byOwner)
                {
                    if (owner.Priority > i.Owner.Priority)
                    {
                        nChn = i;
                        break;
                    }
                }
            }
            if (nChn == null)                         // None available
            {
                PCM8Channel lowest = byOwner.First(); // Kill lowest track's instrument if the track is lower than this one
                if (lowest.Owner.Index >= owner.Index)
                {
                    nChn = lowest;
                }
            }
            if (nChn != null) // Could still be null from the above if
            {
                nChn.Init(owner, note, env, sampleOffset, vol, pan, instPan, pitch, bFixed, bCompressed);
            }
            return(nChn);
        }
Beispiel #5
0
 protected void Init(Track owner, Note note, ADSR env)
 {
     State = EnvelopeState.Initializing;
     if (Owner != null)
     {
         Owner.Channels.Remove(this);
     }
     Owner = owner;
     Owner.Channels.Add(this);
     Note    = note;
     _adsr.A = (byte)(env.A & 0x7);
     _adsr.D = (byte)(env.D & 0x7);
     _adsr.S = (byte)(env.S & 0xF);
     _adsr.R = (byte)(env.R & 0x7);
 }
Beispiel #6
0
 public void Init(Track owner, Note note, ADSR env, NoisePattern pattern)
 {
     Init(owner, note, env);
     _pat = pattern == NoisePattern.Fine ? Utils.NoiseFine : Utils.NoiseRough;
 }
Beispiel #7
0
 public void Init(Track owner, Note note, ADSR env, int sampleOffset)
 {
     Init(owner, note, env);
     _sample = Utils.PCM4ToFloat(sampleOffset);
 }