diff options
Diffstat (limited to 'engines/sci/sound/drivers/midi.cpp')
-rw-r--r-- | engines/sci/sound/drivers/midi.cpp | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/engines/sci/sound/drivers/midi.cpp b/engines/sci/sound/drivers/midi.cpp index 889a875804..4f3f0da4b0 100644 --- a/engines/sci/sound/drivers/midi.cpp +++ b/engines/sci/sound/drivers/midi.cpp @@ -158,10 +158,10 @@ public: int getFirstChannel() const override; int getLastChannel() const override; void setVolume(byte volume) override; - virtual void onNewSound() override; int getVolume() override; void setReverb(int8 reverb) override; void playSwitch(bool play) override; + virtual void initTrack(SciSpan<const byte> &) override; private: bool isMt32GmPatch(const SciSpan<const byte> &data); @@ -479,14 +479,6 @@ int MidiPlayer_Midi::getVolume() { return _masterVolume; } -void MidiPlayer_Midi::onNewSound() { - if (_defaultReverb >= 0) - // SCI0 in combination with MT-32 requires a reset of the reverb to - // the default value that is present in either the MT-32 patch data - // or MT32.DRV itself. - setReverb(_defaultReverb); -} - void MidiPlayer_Midi::setReverb(int8 reverb) { assert(reverb < kReverbConfigNr); @@ -507,6 +499,43 @@ void MidiPlayer_Midi::playSwitch(bool play) { } } +void MidiPlayer_Midi::initTrack(SciSpan<const byte> &header) { + if (_version > SCI_VERSION_0_LATE) + return; + + if (_defaultReverb >= 0) + // SCI0 in combination with MT-32 requires a reset of the reverb to + // the default value that is present in either the MT-32 patch data + // or MT32.DRV itself. + setReverb(_defaultReverb); + + /* TODO: I have no idea what SCI_VERSION_0_EARLY games do here. + Therefore the extra code is restricted to SCI_VERSION_0_LATE for now.*/ + if (_version == SCI_VERSION_0_EARLY) + return; + + uint8 caps = header.getInt8At(0); + if (caps != 0 && caps != 2) + return; + + uint8 readPos = 3; + byte msg[9]; + uint8 flags = 0; + + for (int i = 1; i < 9; ++i) { + readPos++; + flags = header.getInt8At(readPos++); + msg[i - 1] = (flags & 1) ? i : 0x10; + } + + flags = header.getInt8At(readPos); + msg[8] = (flags & 0x80) ? 9 : 0x10; + + // assign channels + Sci::SciSpan<const byte> s(msg, 9); + sendMt32SysEx(0x10000D, s, false); +} + bool MidiPlayer_Midi::isMt32GmPatch(const SciSpan<const byte> &data) { uint32 size = data.size(); |