mirror of
https://github.com/libretro/scummvm.git
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1304 lines
34 KiB
C++
1304 lines
34 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2007 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "common/stdafx.h"
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#include "common/system.h"
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#include "kyra/resource.h"
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#include "kyra/sound.h"
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#include "kyra/screen.h"
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#include "sound/audiocd.h"
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#include "sound/audiostream.h"
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#include "common/util.h"
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#include <math.h>
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namespace Kyra {
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enum EuD_ChannelState { _s_ready, _s_attacking, _s_decaying, _s_sustaining, _s_releasing };
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class MidiChannel_EuD : public MidiChannel {
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public:
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MidiChannel_EuD() {}
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~MidiChannel_EuD() {}
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virtual void nextTick(int32 *outbuf, int buflen) = 0;
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virtual void rate(uint16 r) = 0;
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protected:
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uint16 _rate;
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};
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class MidiChannel_EuD_FM : public MidiChannel_EuD {
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public:
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MidiChannel_EuD_FM();
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virtual ~MidiChannel_EuD_FM();
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void nextTick(int32 *outbuf, int buflen);
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void rate(uint16 r);
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// MidiChannel interface
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MidiDriver *device() { return 0; }
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byte getNumber() { return 0; }
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void release() { }
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void send(uint32 b) { }
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void noteOff(byte note);
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void noteOn(byte note, byte onVelo);
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void programChange(byte program) {}
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void pitchBend(int16 value);
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void controlChange(byte control, byte value);
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void pitchBendFactor(byte value) { }
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void sysEx_customInstrument(uint32 unused, const byte *instr);
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protected:
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Voice2612 *_voice;
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};
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class MidiChannel_EuD_WAVE : public MidiChannel_EuD {
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public:
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void nextTick(int32 *outbuf, int buflen);
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void rate(uint16 r);
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MidiChannel_EuD_WAVE();
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virtual ~MidiChannel_EuD_WAVE();
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// MidiChannel interface
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MidiDriver *device() { return 0; }
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byte getNumber() { return 0; }
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void release() { }
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void send(uint32 b) { }
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void noteOff(byte note);
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void noteOn(byte note, byte onVelo);
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void programChange(byte program) {}
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void pitchBend(int16 value);
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void controlChange(byte control, byte value);
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void pitchBendFactor(byte value) { }
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void sysEx_customInstrument(uint32 type, const byte *instr);
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protected:
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void velocity(int velo);
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void panPosition(int8 pan);
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void evpNextTick();
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int _ctrl7_volume;
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int16 _velocity;
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int16 _note;
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int32 _frequencyOffs;
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float _phase;
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int8 _current;
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struct Voice {
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char name[9];
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uint16 split[8];
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uint32 id[8];
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struct Snd {
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char name[9];
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int32 id;
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int32 numSamples;
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int32 loopStart;
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int32 loopLength;
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int32 samplingRate;
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int32 keyOffset;
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int32 keyNote;
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const int8 *_samples;
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} * _snd[8];
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struct Env {
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EuD_ChannelState state;
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int32 currentLevel;
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int32 rate;
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int32 tickCount;
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int32 totalLevel;
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int32 attackRate;
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int32 decayRate;
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int32 sustainLevel;
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int32 sustainRate;
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int32 releaseLevel;
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int32 releaseRate;
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int32 rootKeyOffset;
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int32 size;
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} * _env[8];
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} * _voice;
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};
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class MidiParser_EuD : public MidiParser {
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public:
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MidiParser_EuD();
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bool loadMusic (byte *data, uint32 unused = 0);
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int32 calculateTempo(int16 val);
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protected:
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void parseNextEvent (EventInfo &info);
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void resetTracking();
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byte * _enable;
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byte * _mode;
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byte * _channel;
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byte * _adjVelo;
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int8 * _adjNote;
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byte _tempo[3];
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uint8 _firstBaseTickStep;
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uint8 _nextBaseTickStep;
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uint32 _initialTempo;
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uint32 _baseTick;
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};
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class FMT_EuphonyDriver : public MidiDriver_Emulated {
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public:
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FMT_EuphonyDriver(Audio::Mixer *mixer);
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virtual ~FMT_EuphonyDriver();
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int open();
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void close();
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void send(uint32 b);
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void send(byte channel, uint32 b);
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uint32 property(int prop, uint32 param) { return 0; }
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void setPitchBendRange(byte channel, uint range) { }
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//void sysEx(const byte *msg, uint16 length);
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void loadFmInstruments(const byte *instr);
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void loadWaveInstruments(const byte *instr);
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MidiChannel *allocateChannel() { return 0; }
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MidiChannel *getPercussionChannel() { return 0; }
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void assignFmChannel(uint8 midiChannelNumber, uint8 fmChannelNumber);
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void assignWaveChannel(uint8 midiChannelNumber, uint8 waveChannelNumber);
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void removeChannel(uint8 midiChannelNumber);
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// AudioStream API
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bool isStereo() const { return true; }
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int getRate() const { return _mixer->getOutputRate(); }
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void fading(bool status = true);
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protected:
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void nextTick(int16 *buf1, int buflen);
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int volume(int val = -1) { if (val >= 0) _volume = val; return _volume; }
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void rate(uint16 r);
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void generateSamples(int16 *buf, int len);
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MidiChannel_EuD_FM *_fChannel[6];
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MidiChannel_EuD_WAVE *_wChannel[8];
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MidiChannel_EuD * _channel[16];
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int _volume;
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bool _fading;
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int16 _fadestate;
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uint8 *_fmInstruments;
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uint8 *_waveInstruments;
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int8 * _waveSounds[10];
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};
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MidiChannel_EuD_FM::MidiChannel_EuD_FM() {
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_voice = new Voice2612;
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}
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MidiChannel_EuD_FM::~MidiChannel_EuD_FM() {
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delete _voice;
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}
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void MidiChannel_EuD_FM::noteOn(byte note, byte onVelo) {
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_voice->noteOn(note, onVelo);
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}
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void MidiChannel_EuD_FM::noteOff(byte note) {
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_voice->noteOff(note);
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}
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void MidiChannel_EuD_FM::controlChange(byte control, byte value) {
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if (control == 121) {
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// Reset controller
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delete _voice;
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_voice = new Voice2612;
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} else if (control == 10) {
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// pan position
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} else {
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_voice->setControlParameter(control, value);
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}
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}
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void MidiChannel_EuD_FM::sysEx_customInstrument(uint32, const byte *fmInst) {
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_voice->_rate = _rate;
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_voice->setInstrument(fmInst);
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}
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void MidiChannel_EuD_FM::pitchBend(int16 value) {
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_voice->pitchBend(value);
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}
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void MidiChannel_EuD_FM::nextTick(int32 *outbuf, int buflen) {
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_voice->nextTick((int*) outbuf, buflen);
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}
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void MidiChannel_EuD_FM::rate(uint16 r) {
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_rate = r;
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_voice->_rate = r;
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}
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MidiChannel_EuD_WAVE::MidiChannel_EuD_WAVE() {
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_voice = new Voice;
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for (uint8 i = 0; i < 8; i++) {
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_voice->_env[i] = new Voice::Env;
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_voice->_snd[i] = 0;
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}
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_ctrl7_volume = 127;
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velocity(0);
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_frequencyOffs = 0x2000;
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_current = -1;
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}
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MidiChannel_EuD_WAVE::~MidiChannel_EuD_WAVE() {
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for (uint8 i = 0; i < 8; i++) {
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if (_voice->_snd[i])
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delete _voice->_snd[i];
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delete _voice->_env[i];
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}
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delete _voice;
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}
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void MidiChannel_EuD_WAVE::noteOn(byte note, byte onVelo) {
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_note = note;
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velocity(onVelo);
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_phase = 0;
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for (_current = 0; _current < 7; _current++) {
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if (note <= _voice->split[_current])
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break;
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}
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_voice->_env[_current]->state = _s_attacking;
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_voice->_env[_current]->currentLevel = 0;
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_voice->_env[_current]->rate = _rate;
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_voice->_env[_current]->tickCount = 0;
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}
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void MidiChannel_EuD_WAVE::noteOff(byte note) {
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if (_current == -1)
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return;
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if (_voice->_env[_current]->state == _s_ready)
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return;
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_voice->_env[_current]->state = _s_releasing;
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_voice->_env[_current]->releaseLevel = _voice->_env[_current]->currentLevel;
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_voice->_env[_current]->tickCount = 0;
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}
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void MidiChannel_EuD_WAVE::controlChange(byte control, byte value) {
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switch (control) {
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case 0x07:
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// volume
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_ctrl7_volume = value;
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break;
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case 0x0A:
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// pan position
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break;
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case 0x79:
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// Reset controller
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for (uint8 i = 0; i < 8; i++) {
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if (_voice->_snd[i])
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delete _voice->_snd[i];
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delete _voice->_env[i];
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}
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delete _voice;
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_voice = new Voice;
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for (uint8 i = 0; i < 8; i++) {
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_voice->_env[i] = new Voice::Env;
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_voice->_snd[i] = 0;
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}
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break;
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case 0x7B:
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noteOff(_note);
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break;
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default:
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break;
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}
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}
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void MidiChannel_EuD_WAVE::sysEx_customInstrument(uint32 type, const byte *fmInst) {
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if (type == 0x80) {
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for (uint8 i = 0; i < 8; i++) {
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const byte * const* pos = (const byte * const*) fmInst;
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for (uint8 ii = 0; ii < 10; ii++) {
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if (_voice->id[i] == *(pos[ii] + 8)) {
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if (!_voice->_snd[i])
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_voice->_snd[i] = new Voice::Snd;
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memset (_voice->_snd[i]->name, 0, 9);
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memcpy (_voice->_snd[i]->name, (const char*) pos[ii], 8);
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_voice->_snd[i]->id = READ_LE_UINT32(pos[ii] + 8);
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_voice->_snd[i]->numSamples = READ_LE_UINT32(pos[ii] + 12);
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_voice->_snd[i]->loopStart = READ_LE_UINT32(pos[ii] + 16);
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_voice->_snd[i]->loopLength = READ_LE_UINT32(pos[ii] + 20);
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_voice->_snd[i]->samplingRate = READ_LE_UINT16(pos[ii] + 24);
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_voice->_snd[i]->keyOffset = READ_LE_UINT16(pos[ii] + 26);
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_voice->_snd[i]->keyNote = *(const uint8*)(pos[ii] + 28);
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_voice->_snd[i]->_samples = (const int8*)(pos[ii] + 32);
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}
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}
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}
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} else {
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memset (_voice->name, 0, 9);
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memcpy (_voice->name, (const char*) fmInst, 8);
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for (uint8 i = 0; i < 8; i++) {
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_voice->split[i] = READ_LE_UINT16(fmInst + 16 + 2 * i);
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_voice->id[i] = READ_LE_UINT32(fmInst + 32 + 4 * i);
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_voice->_snd[i] = 0;
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_voice->_env[i]->state = _s_ready;
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_voice->_env[i]->currentLevel = 0;
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_voice->_env[i]->totalLevel = *(fmInst + 64 + 8 * i);
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_voice->_env[i]->attackRate = *(fmInst + 65 + 8 * i) * 10;
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_voice->_env[i]->decayRate = *(fmInst + 66 + 8 * i) * 10;
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_voice->_env[i]->sustainLevel = *(fmInst + 67 + 8 * i);
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_voice->_env[i]->sustainRate = *(fmInst + 68 + 8 * i) * 20;
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_voice->_env[i]->releaseRate = *(fmInst + 69 + 8 * i) * 10;
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_voice->_env[i]->rootKeyOffset = *(fmInst + 70 + 8 * i);
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}
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}
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}
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void MidiChannel_EuD_WAVE::pitchBend(int16 value) {
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_frequencyOffs = value;
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}
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void MidiChannel_EuD_WAVE::nextTick(int32 *outbuf, int buflen) {
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if (_current == -1 || !_voice->_snd[_current] || !_voice->_env[_current]->state || !_velocity) {
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velocity(0);
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_current = -1;
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return;
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}
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float phaseStep = SoundTowns::semitoneAndSampleRate_to_sampleStep(_note, _voice->_snd[_current]->keyNote -
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_voice->_env[_current]->rootKeyOffset, _voice->_snd[_current]->samplingRate, _rate, _frequencyOffs);
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int32 looplength = _voice->_snd[_current]->loopLength;
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int32 numsamples = _voice->_snd[_current]->numSamples;
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const int8 * samples = _voice->_snd[_current]->_samples;
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for (int i = 0; i < buflen; i++) {
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if (looplength > 0) {
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while (_phase >= numsamples)
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_phase -= looplength;
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} else {
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if (_phase >= numsamples) {
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velocity(0);
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_current = -1;
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break;
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}
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}
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int32 output;
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int32 phase0 = int32(_phase);
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int32 phase1 = int32(_phase + 1);
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if (phase1 >= numsamples)
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phase1 -= looplength;
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float weight0 = _phase - phase0;
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float weight1 = phase1 - _phase;
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output = int32(samples[phase0] * weight0 + samples[phase1] * weight1);
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output *= _velocity;
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output <<= 1;
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evpNextTick();
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output *= _voice->_env[_current]->currentLevel;
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output >>= 7;
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output *= _ctrl7_volume;
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output >>= 7;
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output *= 185;
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output >>= 8;
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outbuf[i] += output;
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_phase += phaseStep;
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}
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}
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void MidiChannel_EuD_WAVE::evpNextTick() {
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switch (_voice->_env[_current]->state) {
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case _s_ready:
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_voice->_env[_current]->currentLevel = 0;
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return;
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case _s_attacking:
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if (_voice->_env[_current]->attackRate == 0)
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_voice->_env[_current]->currentLevel = _voice->_env[_current]->totalLevel;
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else if (_voice->_env[_current]->attackRate >= 1270)
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_voice->_env[_current]->currentLevel = 0;
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else
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_voice->_env[_current]->currentLevel = (_voice->_env[_current]->totalLevel *
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_voice->_env[_current]->tickCount++ * 1000) /
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(_voice->_env[_current]->attackRate * _voice->_env[_current]->rate);
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if (_voice->_env[_current]->currentLevel >= _voice->_env[_current]->totalLevel) {
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_voice->_env[_current]->currentLevel = _voice->_env[_current]->totalLevel;
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_voice->_env[_current]->state = _s_decaying;
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_voice->_env[_current]->tickCount = 0;
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}
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break;
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case _s_decaying:
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if (_voice->_env[_current]->decayRate == 0)
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_voice->_env[_current]->currentLevel = _voice->_env[_current]->sustainLevel;
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else if (_voice->_env[_current]->decayRate >= 1270)
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_voice->_env[_current]->currentLevel = _voice->_env[_current]->totalLevel;
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else {
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_voice->_env[_current]->currentLevel = _voice->_env[_current]->totalLevel;
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_voice->_env[_current]->currentLevel -= ((_voice->_env[_current]->totalLevel -
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_voice->_env[_current]->sustainLevel) * _voice->_env[_current]->tickCount++ * 1000) /
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(_voice->_env[_current]->decayRate * _voice->_env[_current]->rate);
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}
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if (_voice->_env[_current]->currentLevel <= _voice->_env[_current]->sustainLevel) {
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_voice->_env[_current]->currentLevel = _voice->_env[_current]->sustainLevel;
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_voice->_env[_current]->state = _s_sustaining;
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_voice->_env[_current]->tickCount = 0;
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}
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break;
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case _s_sustaining:
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if (_voice->_env[_current]->sustainRate == 0)
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_voice->_env[_current]->currentLevel = 0;
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else if (_voice->_env[_current]->sustainRate >= 2540)
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_voice->_env[_current]->currentLevel = _voice->_env[_current]->sustainLevel;
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else {
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_voice->_env[_current]->currentLevel = _voice->_env[_current]->sustainLevel;
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_voice->_env[_current]->currentLevel -= (_voice->_env[_current]->sustainLevel *
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_voice->_env[_current]->tickCount++ * 1000) / (_voice->_env[_current]->sustainRate *
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_voice->_env[_current]->rate);
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}
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if (_voice->_env[_current]->currentLevel <= 0) {
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_voice->_env[_current]->currentLevel = 0;
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_voice->_env[_current]->state = _s_ready;
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_voice->_env[_current]->tickCount = 0;
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}
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break;
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case _s_releasing:
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if (_voice->_env[_current]->releaseRate == 0)
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_voice->_env[_current]->currentLevel = 0;
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else if (_voice->_env[_current]->releaseRate >= 1270)
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_voice->_env[_current]->currentLevel = _voice->_env[_current]->releaseLevel;
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else {
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_voice->_env[_current]->currentLevel = _voice->_env[_current]->releaseLevel;
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|
_voice->_env[_current]->currentLevel -= (_voice->_env[_current]->releaseLevel *
|
|
_voice->_env[_current]->tickCount++ * 1000) / (_voice->_env[_current]->releaseRate *
|
|
_voice->_env[_current]->rate);
|
|
}
|
|
|
|
if (_voice->_env[_current]->currentLevel <= 0) {
|
|
_voice->_env[_current]->currentLevel = 0;
|
|
_voice->_env[_current]->state = _s_ready;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void MidiChannel_EuD_WAVE::rate(uint16 r) {
|
|
_rate = r;
|
|
}
|
|
|
|
void MidiChannel_EuD_WAVE::velocity(int velo) {
|
|
_velocity = velo;
|
|
}
|
|
|
|
FMT_EuphonyDriver::FMT_EuphonyDriver(Audio::Mixer *mixer)
|
|
: MidiDriver_Emulated(mixer) {
|
|
|
|
_volume = 255;
|
|
_fadestate = 300;
|
|
|
|
MidiDriver_YM2612::createLookupTables();
|
|
|
|
for (uint8 i = 0; i < 6; i++)
|
|
_channel[i] = _fChannel[i] = new MidiChannel_EuD_FM;
|
|
for (uint8 i = 0; i < 8; i++)
|
|
_channel[i + 6] = _wChannel[i] = new MidiChannel_EuD_WAVE;
|
|
_channel[14] = _channel[15] = 0;
|
|
|
|
_fmInstruments = _waveInstruments = 0;
|
|
memset(_waveSounds, 0, sizeof(uint8*) * 10);
|
|
|
|
rate(getRate());
|
|
fading(0);
|
|
}
|
|
|
|
FMT_EuphonyDriver::~FMT_EuphonyDriver() {
|
|
for (int i = 0; i < 6; i++)
|
|
delete _fChannel[i];
|
|
for (int i = 0; i < 8; i++)
|
|
delete _wChannel[i];
|
|
|
|
MidiDriver_YM2612::removeLookupTables();
|
|
|
|
if (_fmInstruments) {
|
|
delete [] _fmInstruments;
|
|
_fmInstruments = 0;
|
|
}
|
|
|
|
if (_waveInstruments) {
|
|
delete [] _waveInstruments;
|
|
_waveInstruments = 0;
|
|
}
|
|
|
|
for (int i = 0; i < 10; i++) {
|
|
if (_waveSounds[i]) {
|
|
delete [] _waveSounds[i];
|
|
_waveSounds[i] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
int FMT_EuphonyDriver::open() {
|
|
if (_isOpen)
|
|
return MERR_ALREADY_OPEN;
|
|
|
|
MidiDriver_Emulated::open();
|
|
|
|
_mixer->playInputStream(Audio::Mixer::kMusicSoundType, &_mixerSoundHandle,
|
|
this, -1, Audio::Mixer::kMaxChannelVolume, 0, false, true);
|
|
return 0;
|
|
}
|
|
|
|
void FMT_EuphonyDriver::close() {
|
|
if (!_isOpen)
|
|
return;
|
|
_isOpen = false;
|
|
_mixer->stopHandle(_mixerSoundHandle);
|
|
}
|
|
|
|
void FMT_EuphonyDriver::send(uint32 b) {
|
|
send(b & 0xF, b & 0xFFFFFFF0);
|
|
}
|
|
|
|
void FMT_EuphonyDriver::send(byte chan, uint32 b) {
|
|
//byte param3 = (byte) ((b >> 24) & 0xFF);
|
|
|
|
byte param2 = (byte) ((b >> 16) & 0xFF);
|
|
byte param1 = (byte) ((b >> 8) & 0xFF);
|
|
byte cmd = (byte) (b & 0xF0);
|
|
if (chan > ARRAYSIZE(_channel))
|
|
return;
|
|
|
|
switch (cmd) {
|
|
case 0x80:// Note Off
|
|
if (_channel[chan])
|
|
_channel[chan]->noteOff(param1);
|
|
break;
|
|
case 0x90: // Note On
|
|
if (_channel[chan])
|
|
_channel[chan]->noteOn(param1, param2);
|
|
break;
|
|
case 0xA0: // Aftertouch
|
|
break; // Not supported.
|
|
case 0xB0: // Control Change
|
|
if (param1 == 0x79) {
|
|
fading(0);
|
|
for (int i = 0; i < 15; i++) {
|
|
if (_channel[i]) {
|
|
_channel[i]->controlChange(param1, param2);
|
|
_channel[i]->programChange(0);
|
|
}
|
|
}
|
|
} else if (param1 == 0x7B) {
|
|
for (int i = 0; i < 15; i++) {
|
|
if (_channel[i])
|
|
_channel[i]->controlChange(param1, param2);
|
|
}
|
|
} else {
|
|
if (_channel[chan])
|
|
_channel[chan]->controlChange(param1, param2);
|
|
}
|
|
break;
|
|
case 0xC0: // Program Change
|
|
for (int i = 0; i < 6; i++) {
|
|
if (_channel[chan] == _fChannel[i]) {
|
|
_channel[chan]->sysEx_customInstrument(0, _fmInstruments + param1 * 0x30);
|
|
break;
|
|
}
|
|
}
|
|
for (int i = 0; i < 8; i++) {
|
|
if (_channel[chan] == _wChannel[i]) {
|
|
_channel[chan]->sysEx_customInstrument(0, _waveInstruments + param1 * 0x80);
|
|
_channel[chan]->sysEx_customInstrument(0x80, (const byte*) _waveSounds);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 0xD0: // Channel Pressure
|
|
break; // Not supported.
|
|
case 0xE0: // Pitch Bend
|
|
if (_channel[chan])
|
|
_channel[chan]->pitchBend((param1 | (param2 << 7)) - 0x2000);
|
|
break;
|
|
default:
|
|
warning("FMT_EuphonyDriver: Unknown send() command 0x%02X", cmd);
|
|
}
|
|
}
|
|
|
|
void FMT_EuphonyDriver::loadFmInstruments(const byte *instr) {
|
|
if (_fmInstruments)
|
|
delete [] _fmInstruments;
|
|
_fmInstruments = new uint8[0x1800];
|
|
memcpy(_fmInstruments, instr, 0x1800);
|
|
}
|
|
|
|
void FMT_EuphonyDriver::loadWaveInstruments(const byte *instr) {
|
|
if (_waveInstruments)
|
|
delete [] _waveInstruments;
|
|
_waveInstruments = new uint8[0x1000];
|
|
memcpy(_waveInstruments, instr, 0x1000);
|
|
|
|
const uint8 *pos = (const uint8 *)(instr + 0x1000);
|
|
|
|
for (uint8 i = 0; i < 10; i++) {
|
|
if (_waveSounds[i])
|
|
delete [] _waveSounds[i];
|
|
uint32 numsamples = READ_LE_UINT32(pos + 0x0C);
|
|
_waveSounds[i] = new int8[numsamples + 0x20];
|
|
memcpy(_waveSounds[i], pos, 0x20);
|
|
pos += 0x20;
|
|
for (uint32 ii = 0; ii < numsamples; ii++) {
|
|
uint8 s = *(pos + ii);
|
|
s = (s < 0x80) ? 0x80 - s : s;
|
|
_waveSounds[i][ii + 0x20] = s ^ 0x80;
|
|
}
|
|
pos += numsamples;
|
|
}
|
|
}
|
|
|
|
|
|
void FMT_EuphonyDriver::assignFmChannel(uint8 midiChannelNumber, uint8 fmChannelNumber) {
|
|
_channel[midiChannelNumber] = _fChannel[fmChannelNumber];
|
|
}
|
|
|
|
void FMT_EuphonyDriver::assignWaveChannel(uint8 midiChannelNumber, uint8 waveChannelNumber) {
|
|
_channel[midiChannelNumber] = _wChannel[waveChannelNumber];
|
|
}
|
|
|
|
void FMT_EuphonyDriver::removeChannel(uint8 midiChannelNumber) {
|
|
_channel[midiChannelNumber] = 0;
|
|
}
|
|
|
|
void FMT_EuphonyDriver::generateSamples(int16 *data, int len) {
|
|
memset(data, 0, 2 * sizeof(int16) * len);
|
|
nextTick(data, len);
|
|
}
|
|
|
|
void FMT_EuphonyDriver::nextTick(int16 *buf1, int buflen) {
|
|
int32 *buf0 = (int32 *)buf1;
|
|
|
|
for (int i = 0; i < ARRAYSIZE(_channel); i++) {
|
|
if (_channel[i])
|
|
_channel[i]->nextTick(buf0, buflen);
|
|
}
|
|
|
|
for (int i = 0; i < buflen; ++i) {
|
|
int s = int( float(buf0[i] * volume()) * float((float)_fadestate / 300) );
|
|
buf1[i*2] = buf1[i*2+1] = (s >> 9) & 0xffff;
|
|
}
|
|
|
|
if (_fading) {
|
|
if (_fadestate)
|
|
_fadestate--;
|
|
else
|
|
_fading = false;
|
|
}
|
|
}
|
|
|
|
void FMT_EuphonyDriver::rate(uint16 r) {
|
|
for (uint8 i = 0; i < 16; i++) {
|
|
if (_channel[i])
|
|
_channel[i]->rate(r);
|
|
}
|
|
}
|
|
|
|
void FMT_EuphonyDriver::fading(bool status) {
|
|
_fading = status;
|
|
if (!_fading)
|
|
_fadestate = 300;
|
|
}
|
|
|
|
MidiParser_EuD::MidiParser_EuD() : MidiParser(),
|
|
_firstBaseTickStep(0x33), _nextBaseTickStep(0x33) {
|
|
_initialTempo = calculateTempo(0x5a);
|
|
}
|
|
|
|
void MidiParser_EuD::parseNextEvent(EventInfo &info) {
|
|
byte *pos = _position._play_pos;
|
|
|
|
while (true) {
|
|
byte cmd = *pos;
|
|
byte evt = (cmd & 0xF0);
|
|
|
|
if (evt == 0x90) {
|
|
byte chan = pos[1];
|
|
|
|
if (_enable[chan]) {
|
|
uint16 tick = (pos[2] | ((uint16) pos[3] << 7)) + _baseTick;
|
|
info.start = pos + 6;
|
|
uint32 last = _position._last_event_tick;
|
|
info.delta = (tick < last) ? 0 : (tick - last);
|
|
|
|
info.event = 0x90 | _channel[chan];
|
|
info.length = pos[7] | (pos[8] << 4) | (pos[9] << 8) | (pos[10] << 12);
|
|
|
|
int8 note = (int8) pos[4];
|
|
if (_adjNote[chan]) {
|
|
note = (note & 0x7f) & _adjNote[chan];
|
|
if (note > 0x7c)
|
|
note -= 0x0c;
|
|
else if (note < 0)
|
|
note += 0x0c;
|
|
}
|
|
info.basic.param1 = (byte) note;
|
|
|
|
uint8 onVelo = (pos[5] & 0x7f) + _adjVelo[chan];
|
|
if (onVelo > 0x7f)
|
|
onVelo = 0x7f;
|
|
if (onVelo < 1)
|
|
onVelo = 1;
|
|
info.basic.param2 = onVelo;
|
|
|
|
pos += 12;
|
|
break;
|
|
} else {
|
|
pos += 6;
|
|
}
|
|
} else if (evt == 0xB0 || evt == 0xC0 || evt == 0xe0) {
|
|
byte chan = pos[1];
|
|
|
|
if (_enable[chan]) {
|
|
info.start = pos;
|
|
uint16 tick = (pos[2] | ((uint16) pos[3] << 7)) + _baseTick;
|
|
uint32 last = _position._last_event_tick;
|
|
info.delta = (tick < last) ? 0 : (tick - last);
|
|
info.event = evt | _channel[chan];
|
|
info.length = 0;
|
|
info.basic.param1 = pos[4];
|
|
info.basic.param2 = pos[5];
|
|
pos += 6;
|
|
break;
|
|
} else {
|
|
pos += 6;
|
|
}
|
|
} else if (cmd == 0xF2) {
|
|
static uint16 tickTable [] = { 0x180, 0xC0, 0x80, 0x60, 0x40, 0x30, 0x20, 0x18 };
|
|
_baseTick += tickTable[_nextBaseTickStep >> 4] * ((_nextBaseTickStep & 0x0f) + 1);
|
|
_nextBaseTickStep = pos[1];
|
|
pos += 6;
|
|
} else if (cmd == 0xF8) {
|
|
int32 tempo = calculateTempo(pos[4] | (pos[5] << 7));
|
|
info.event = 0xff;
|
|
info.length = 3;
|
|
info.ext.type = 0x51;
|
|
_tempo[0] = (tempo >> 16) & 0xff;
|
|
_tempo[1] = (tempo >> 8) & 0xff;
|
|
_tempo[2] = tempo & 0xff;
|
|
info.ext.data = (byte*) _tempo;
|
|
pos += 6;
|
|
break;
|
|
} else if (cmd == 0xFD || cmd == 0xFE) {
|
|
// End of track.
|
|
if (_autoLoop)
|
|
pos = info.start = _tracks[0];
|
|
else
|
|
info.start = pos;
|
|
|
|
uint32 last = _position._last_event_tick;
|
|
uint16 tick = (pos[2] | ((uint16) pos[3] << 7)) + _baseTick;
|
|
info.delta = (tick < last) ? 0 : (tick - last);
|
|
info.event = 0xFF;
|
|
info.ext.type = 0x2F;
|
|
info.ext.data = pos;
|
|
break;
|
|
} else {
|
|
error("Unknown Euphony music event 0x%02X", (int)cmd);
|
|
memset(&info, 0, sizeof(info));
|
|
pos = 0;
|
|
break;
|
|
}
|
|
}
|
|
_position._play_pos = pos;
|
|
}
|
|
|
|
bool MidiParser_EuD::loadMusic(byte *data, uint32) {
|
|
unloadMusic();
|
|
|
|
_enable = data + 0x354;
|
|
_mode = data + 0x374;
|
|
_channel = data + 0x394;
|
|
_adjVelo = data + 0x3B4;
|
|
_adjNote = (int8*) data + 0x3D4;
|
|
|
|
_firstBaseTickStep = data[0x804];
|
|
_initialTempo = calculateTempo((data[0x805] > 0xfc) ? 0x5a : data[0x805]);
|
|
|
|
_num_tracks = 1;
|
|
_ppqn = 120;
|
|
_tracks[0] = data + 0x806;
|
|
|
|
resetTracking();
|
|
setTrack (0);
|
|
|
|
return true;
|
|
}
|
|
|
|
int32 MidiParser_EuD::calculateTempo(int16 val) {
|
|
int32 tempo = val;
|
|
|
|
if (tempo < 0)
|
|
tempo = 0;
|
|
if (tempo > 0x1F4)
|
|
tempo = 0x1F4;
|
|
|
|
tempo = 0x4C4B4 / (tempo + 0x1E);
|
|
while (tempo < 0x451)
|
|
tempo <<= 1;
|
|
tempo <<= 8;
|
|
|
|
return tempo;
|
|
}
|
|
|
|
void MidiParser_EuD::resetTracking() {
|
|
MidiParser::resetTracking();
|
|
_nextBaseTickStep = _firstBaseTickStep;
|
|
_baseTick = 0;
|
|
setTempo(_initialTempo);
|
|
}
|
|
|
|
SoundTowns::SoundTowns(KyraEngine *vm, Audio::Mixer *mixer) : Sound(vm, mixer), _lastTrack(-1),
|
|
_currentSFX(0), _sfxFileData(0), _sfxFileIndex((uint)-1), _sfxWDTable(0), _parser(0), _musicTrackData(0) {
|
|
|
|
_driver = new FMT_EuphonyDriver(_mixer);
|
|
int ret = open();
|
|
if (ret != MERR_ALREADY_OPEN && ret != 0) {
|
|
error("couldn't open midi driver");
|
|
}
|
|
}
|
|
|
|
SoundTowns::~SoundTowns() {
|
|
AudioCD.stop();
|
|
haltTrack();
|
|
delete [] _sfxFileData;
|
|
|
|
Common::StackLock lock(_mutex);
|
|
_driver->setTimerCallback(0, 0);
|
|
close();
|
|
|
|
if (_musicTrackData)
|
|
delete [] _musicTrackData;
|
|
|
|
_driver = 0;
|
|
}
|
|
|
|
bool SoundTowns::init() {
|
|
_vm->checkCD();
|
|
int unused = 0;
|
|
_sfxWDTable = _vm->staticres()->loadRawData(kKyra1TownsSFXTable, unused);
|
|
|
|
return loadInstruments();
|
|
}
|
|
|
|
void SoundTowns::process() {
|
|
AudioCD.updateCD();
|
|
}
|
|
|
|
namespace {
|
|
|
|
struct CDTrackTable {
|
|
uint32 fileOffset;
|
|
bool loop;
|
|
int track;
|
|
};
|
|
|
|
} // end of anonymous namespace
|
|
|
|
void SoundTowns::playTrack(uint8 track) {
|
|
if (track < 2)
|
|
return;
|
|
track -= 2;
|
|
|
|
static const CDTrackTable tTable[] = {
|
|
{ 0x04000, 1, 0 },
|
|
{ 0x05480, 1, 6 },
|
|
{ 0x05E70, 0, 1 },
|
|
{ 0x06D90, 1, 3 },
|
|
{ 0x072C0, 0, -1 },
|
|
{ 0x075F0, 1, -1 },
|
|
{ 0x07880, 1, -1 },
|
|
{ 0x089C0, 0, -1 },
|
|
{ 0x09080, 0, -1 },
|
|
{ 0x091D0, 1, 4 },
|
|
{ 0x0A880, 1, 5 },
|
|
{ 0x0AF50, 0, -1 },
|
|
{ 0x0B1A0, 1, -1 },
|
|
{ 0x0B870, 0, -1 },
|
|
{ 0x0BCF0, 1, -1 },
|
|
{ 0x0C5D0, 1, 7 },
|
|
{ 0x0D3E0, 1, 8 },
|
|
{ 0x0e7b0, 1, 2 },
|
|
{ 0x0edc0, 0, -1 },
|
|
{ 0x0eef0, 1, 9 },
|
|
{ 0x10540, 1, 10 },
|
|
{ 0x10d80, 0, -1 },
|
|
{ 0x10E30, 0, -1 },
|
|
{ 0x10FC0, 0, -1 },
|
|
{ 0x11310, 1, -1 },
|
|
{ 0x11A20, 1, -1 },
|
|
{ 0x12380, 0, -1 },
|
|
{ 0x12540, 1, -1 },
|
|
{ 0x12730, 1, -1 },
|
|
{ 0x12A90, 1, 11 },
|
|
{ 0x134D0, 0, -1 },
|
|
{ 0x00000, 0, -1 },
|
|
{ 0x13770, 0, -1 },
|
|
{ 0x00000, 0, -1 },
|
|
{ 0x00000, 0, -1 },
|
|
{ 0x00000, 0, -1 },
|
|
{ 0x00000, 0, -1 },
|
|
{ 0x14710, 1, 12 },
|
|
{ 0x15DF0, 1, 13 },
|
|
{ 0x16030, 1, 14 },
|
|
{ 0x17030, 0, -1 },
|
|
{ 0x17650, 0, -1 },
|
|
{ 0x134D0, 0, -1 },
|
|
{ 0x178E0, 1, -1 },
|
|
{ 0x18200, 0, -1 },
|
|
{ 0x18320, 0, -1 },
|
|
{ 0x184A0, 0, -1 },
|
|
{ 0x18BB0, 0, -1 },
|
|
{ 0x19040, 0, 19 },
|
|
{ 0x19B50, 0, 20 },
|
|
{ 0x17650, 0, -1 },
|
|
{ 0x1A730, 1, 21 },
|
|
{ 0x00000, 0, -1 },
|
|
{ 0x12380, 0, -1 },
|
|
{ 0x1B810, 0, -1 },
|
|
{ 0x1BA50, 0, 15 },
|
|
{ 0x1C190, 0, 16 },
|
|
{ 0x1CA50, 0, 17 },
|
|
{ 0x1D100, 0, 18 },
|
|
};
|
|
|
|
int trackNum = tTable[track].track;
|
|
bool loop = tTable[track].loop;
|
|
|
|
if (track == _lastTrack && _musicEnabled)
|
|
return;
|
|
|
|
haltTrack();
|
|
|
|
if (_musicEnabled == 2 && trackNum != -1) {
|
|
AudioCD.play(trackNum+1, loop ? -1 : 1, 0, 0);
|
|
AudioCD.updateCD();
|
|
} else if (_musicEnabled) {
|
|
playEuphonyTrack(tTable[track].fileOffset, loop);
|
|
}
|
|
|
|
_lastTrack = track;
|
|
}
|
|
|
|
void SoundTowns::haltTrack() {
|
|
_lastTrack = -1;
|
|
AudioCD.stop();
|
|
AudioCD.updateCD();
|
|
if (_parser) {
|
|
Common::StackLock lock(_mutex);
|
|
|
|
_parser->setTrack(0);
|
|
_parser->jumpToTick(0);
|
|
|
|
_parser->unloadMusic();
|
|
delete _parser;
|
|
_parser = 0;
|
|
|
|
setVolume(255);
|
|
}
|
|
}
|
|
|
|
void SoundTowns::loadSoundFile(uint file) {
|
|
if (_sfxFileIndex == file)
|
|
return;
|
|
_sfxFileIndex = file;
|
|
delete [] _sfxFileData;
|
|
_sfxFileData = _vm->resource()->fileData(soundFilename(file), 0);
|
|
}
|
|
|
|
void SoundTowns::playSoundEffect(uint8 track) {
|
|
if (!_sfxEnabled || !_sfxFileData)
|
|
return;
|
|
|
|
if (track == 0 || track == 10) {
|
|
_mixer->stopHandle(_sfxHandle);
|
|
return;
|
|
} else if (track == 1) {
|
|
// sfx fadeout
|
|
_mixer->stopHandle(_sfxHandle);
|
|
return;
|
|
}
|
|
|
|
uint8 note = 0x3c;
|
|
if (_sfxFileIndex == 5) {
|
|
if (track == 0x10) {
|
|
note = 0x3e;
|
|
track = 0x0f;
|
|
} else if (track == 0x11) {
|
|
note = 0x40;
|
|
track = 0x0f;
|
|
} else if (track == 0x12) {
|
|
note = 0x41;
|
|
track = 0x0f;
|
|
}
|
|
}
|
|
|
|
uint8 * fileBody = _sfxFileData + 0x01b8;
|
|
int32 offset = (int32)READ_LE_UINT32(_sfxFileData + (track - 0x0b) * 4);
|
|
if (offset == -1)
|
|
return;
|
|
|
|
struct SfxHeader {
|
|
uint32 id;
|
|
uint32 inBufferSize;
|
|
uint32 unused1;
|
|
uint32 outBufferSize;
|
|
uint32 unused2;
|
|
uint32 unused3;
|
|
uint32 rate;
|
|
uint32 rootNoteOffs;
|
|
} *sfxHeader = (SfxHeader*)(fileBody + offset);
|
|
|
|
uint32 sfxHeaderID = TO_LE_32(sfxHeader->id);
|
|
uint32 sfxHeaderInBufferSize = TO_LE_32(sfxHeader->inBufferSize);
|
|
uint32 sfxHeaderOutBufferSize = TO_LE_32(sfxHeader->outBufferSize);
|
|
uint32 sfxRootNoteOffs = TO_LE_32(sfxHeader->rootNoteOffs);
|
|
uint32 sfxRate = TO_LE_32(sfxHeader->rate);
|
|
|
|
uint32 playbackBufferSize = (sfxHeaderID == 1) ? sfxHeaderInBufferSize : sfxHeaderOutBufferSize;
|
|
|
|
uint8 *sfxPlaybackBuffer = (uint8 *)malloc(playbackBufferSize);
|
|
memset(sfxPlaybackBuffer, 0x80, playbackBufferSize);
|
|
|
|
uint8 *sfxBody = ((uint8 *)sfxHeader) + 0x20;
|
|
|
|
if (!sfxHeaderID) {
|
|
memcpy(sfxPlaybackBuffer, sfxBody, playbackBufferSize);
|
|
} else if (sfxHeaderID == 1) {
|
|
Screen::decodeFrame4(sfxBody, sfxPlaybackBuffer, playbackBufferSize);
|
|
} else if (_sfxWDTable) {
|
|
uint8 * tgt = sfxPlaybackBuffer;
|
|
uint32 sfx_BtTable_Offset = 0;
|
|
uint32 sfx_WdTable_Offset = 0;
|
|
uint32 sfx_WdTable_Number = 5;
|
|
|
|
for (uint32 i = 0; i < sfxHeaderInBufferSize; i++) {
|
|
sfx_WdTable_Offset = (sfx_WdTable_Number * 3 << 9) + sfxBody[i] * 6;
|
|
sfx_WdTable_Number = READ_LE_UINT16(_sfxWDTable + sfx_WdTable_Offset);
|
|
|
|
sfx_BtTable_Offset += (int16)READ_LE_UINT16(_sfxWDTable + sfx_WdTable_Offset + 2);
|
|
*tgt++ = _sfxBTTable[((sfx_BtTable_Offset >> 2) & 0xff)];
|
|
|
|
sfx_BtTable_Offset += (int16)READ_LE_UINT16(_sfxWDTable + sfx_WdTable_Offset + 4);
|
|
*tgt++ = _sfxBTTable[((sfx_BtTable_Offset >> 2) & 0xff)];
|
|
}
|
|
}
|
|
|
|
for (uint32 i = 0; i < playbackBufferSize; i++) {
|
|
if (sfxPlaybackBuffer[i] < 0x80)
|
|
sfxPlaybackBuffer[i] = 0x80 - sfxPlaybackBuffer[i];
|
|
}
|
|
|
|
playbackBufferSize -= 0x20;
|
|
uint32 outputRate = uint32(11025 * semitoneAndSampleRate_to_sampleStep(note, sfxRootNoteOffs, sfxRate, 11025, 0x2000));
|
|
|
|
_currentSFX = Audio::makeLinearInputStream(sfxPlaybackBuffer, playbackBufferSize,
|
|
outputRate, Audio::Mixer::FLAG_UNSIGNED | Audio::Mixer::FLAG_LITTLE_ENDIAN | Audio::Mixer::FLAG_AUTOFREE, 0, 0);
|
|
_mixer->playInputStream(Audio::Mixer::kSFXSoundType, &_sfxHandle, _currentSFX);
|
|
}
|
|
|
|
void SoundTowns::beginFadeOut() {
|
|
_lastTrack = -1;
|
|
_driver->fading();
|
|
|
|
// TODO: this should fade out too
|
|
AudioCD.stop();
|
|
AudioCD.updateCD();
|
|
}
|
|
|
|
int SoundTowns::open() {
|
|
if (!_driver)
|
|
return 255;
|
|
|
|
int ret = _driver->open();
|
|
if (ret)
|
|
return ret;
|
|
|
|
_driver->setTimerCallback(this, &onTimer);
|
|
return 0;
|
|
}
|
|
|
|
void SoundTowns::close() {
|
|
if (_driver)
|
|
_driver->close();
|
|
}
|
|
|
|
void SoundTowns::send(uint32 b) {
|
|
_driver->send(b);
|
|
}
|
|
|
|
uint32 SoundTowns::getBaseTempo(void) {
|
|
return _driver ? _driver->getBaseTempo() : 0;
|
|
}
|
|
|
|
bool SoundTowns::loadInstruments() {
|
|
if (!_musicTrackData)
|
|
_musicTrackData = new uint8[0xC58A];
|
|
|
|
memset(_musicTrackData, 0, 0xC58A);
|
|
uint8 * twm = _vm->resource()->fileData("twmusic.pak", 0);
|
|
if (!twm)
|
|
return false;
|
|
Screen::decodeFrame4(twm, _musicTrackData, 0x8BF0);
|
|
_driver->loadFmInstruments(_musicTrackData + 8);
|
|
|
|
memset (_musicTrackData, 0, 0xC58A);
|
|
Screen::decodeFrame4(twm + 0x0CA0, _musicTrackData, 0xC58A);
|
|
delete [] twm;
|
|
_driver->loadWaveInstruments(_musicTrackData + 8);
|
|
|
|
return true;
|
|
}
|
|
|
|
void SoundTowns::playEuphonyTrack(uint32 offset, int loop) {
|
|
if (!_musicTrackData)
|
|
_musicTrackData = new uint8[0xC58A];
|
|
|
|
memset(_musicTrackData, 0, 0xC58A);
|
|
uint8 * twm = _vm->resource()->fileData("twmusic.pak", 0);
|
|
Screen::decodeFrame4(twm + 0x4b70 + offset, _musicTrackData, 0xC58A);
|
|
delete [] twm;
|
|
|
|
Common::StackLock lock(_mutex);
|
|
|
|
uint8 * used = _musicTrackData + 0x374;
|
|
uint8 * fchan = _musicTrackData + 0x6d4;
|
|
uint8 * wchan = _musicTrackData + 0x6dA;
|
|
|
|
for (uint8 i = 0; i < 6; i++) {
|
|
if (used[fchan[i]])
|
|
_driver->assignFmChannel(fchan[i], i);
|
|
}
|
|
|
|
for (uint8 i = 0; i < 8; i++) {
|
|
if (used[wchan[i]])
|
|
_driver->assignWaveChannel(wchan[i], i);
|
|
}
|
|
|
|
for (uint8 i = 0; i < 16; i++) {
|
|
if (!used[i])
|
|
_driver->removeChannel(i);
|
|
}
|
|
_driver->send(0x79B0);
|
|
|
|
if (_parser)
|
|
delete _parser;
|
|
|
|
_parser = new MidiParser_EuD;
|
|
_parser->property(MidiParser::mpAutoLoop, loop);
|
|
_parser->loadMusic(_musicTrackData, 0);
|
|
_parser->jumpToTick(0);
|
|
|
|
_parser->setMidiDriver(this);
|
|
_parser->setTimerRate(getBaseTempo());
|
|
}
|
|
|
|
void SoundTowns::onTimer(void * data) {
|
|
SoundTowns *music = (SoundTowns *)data;
|
|
Common::StackLock lock(music->_mutex);
|
|
if (music->_parser)
|
|
music->_parser->onTimer();
|
|
}
|
|
|
|
float SoundTowns::semitoneAndSampleRate_to_sampleStep(int8 semiTone, int8 semiToneRootkey,
|
|
uint32 sampleRate, uint32 outputRate, int32 pitchWheel) {
|
|
if (semiTone < 0)
|
|
semiTone = 0;
|
|
if (semiTone > 119)
|
|
semiTone = 119;
|
|
if (semiTone < 0)
|
|
semiTone = 0;
|
|
if (semiTone > 119)
|
|
semiTone = 119;
|
|
|
|
static const float noteFrq[] = {
|
|
0004.13f, 0004.40f, 0004.64f, 0004.95f, 0005.16f, 0005.50f, 0005.80f, 0006.19f, 0006.60f, 0006.86f,
|
|
0007.43f, 0007.73f, 0008.25f, 0008.80f, 0009.28f, 0009.90f, 0010.31f, 0011.00f, 0011.60f, 0012.38f,
|
|
0013.20f, 0013.75f, 0014.85f, 0015.47f, 0016.50f, 0017.60f, 0018.56f, 0019.80f, 0020.63f, 0022.00f,
|
|
0023.21f, 0024.75f, 0026.40f, 0027.50f, 0029.70f, 0030.94f, 0033.00f, 0035.20f, 0037.16f, 0039.60f,
|
|
0041.25f, 0044.00f, 0046.41f, 0049.50f, 0052.80f, 0055.00f, 0059.40f, 0061.88f, 0066.00f, 0070.40f,
|
|
0074.25f, 0079.20f, 0082.50f, 0088.00f, 0092.83f, 0099.00f, 0105.60f, 0110.00f, 0118.80f, 0123.75f,
|
|
0132.00f, 0140.80f, 0148.50f, 0158.40f, 0165.00f, 0176.00f, 0185.65f, 0198.00f, 0211.20f, 0220.00f,
|
|
0237.60f, 0247.50f, 0264.00f, 0281.60f, 0297.00f, 0316.80f, 0330.00f, 0352.00f, 0371.30f, 0396.00f,
|
|
0422.40f, 0440.00f, 0475.20f, 0495.00f, 0528.00f, 0563.20f, 0594.00f, 0633.60f, 0660.00f, 0704.00f,
|
|
0742.60f, 0792.00f, 0844.80f, 0880.00f, 0950.40f, 0990.00f, 1056.00f, 1126.40f, 1188.00f, 1267.20f,
|
|
1320.00f, 1408.00f, 1485.20f, 1584.00f, 1689.60f, 1760.00f, 1900.80f, 1980.00f, 2112.00f, 2252.80f,
|
|
2376.00f, 2534.40f, 2640.00f, 2816.00f, 2970.40f, 3168.00f, 3379.20f, 3520.00f, 3801.60f, 3960.00f
|
|
};
|
|
|
|
float pwModifier = (pitchWheel - 0x2000) / 0x2000;
|
|
int8 d = pwModifier ? (pwModifier < 0 ? -1 : 1) : 0;
|
|
float rateshift = (noteFrq[semiTone] - ((noteFrq[semiTone] -
|
|
noteFrq[semiTone + d]) * pwModifier * d)) / noteFrq[semiToneRootkey];
|
|
|
|
return (float) sampleRate * 10.0f * rateshift / outputRate;
|
|
}
|
|
|
|
const uint8 SoundTowns::_sfxBTTable[256] = {
|
|
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F,
|
|
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F,
|
|
0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF,
|
|
0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF,
|
|
0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF,
|
|
0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
|
|
0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
|
|
0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFE,
|
|
0x7F, 0x7F, 0x7E, 0x7D, 0x7C, 0x7B, 0x7A, 0x79, 0x78, 0x77, 0x76, 0x75, 0x74, 0x73, 0x72, 0x71,
|
|
0x70, 0x6F, 0x6E, 0x6D, 0x6C, 0x6B, 0x6A, 0x69, 0x68, 0x67, 0x66, 0x65, 0x64, 0x63, 0x62, 0x61,
|
|
0x60, 0x5F, 0x5E, 0x5D, 0x5C, 0x5B, 0x5A, 0x59, 0x58, 0x57, 0x56, 0x55, 0x54, 0x53, 0x52, 0x51,
|
|
0x50, 0x4F, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A, 0x49, 0x48, 0x47, 0x46, 0x45, 0x44, 0x43, 0x42, 0x41,
|
|
0x40, 0x3F, 0x3E, 0x3D, 0x3C, 0x3B, 0x3A, 0x39, 0x38, 0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31,
|
|
0x30, 0x2F, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21,
|
|
0x20, 0x1F, 0x1E, 0x1D, 0x1C, 0x1B, 0x1A, 0x19, 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11,
|
|
0x10, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01
|
|
};
|
|
|
|
} // end of namespace Kyra
|
|
|