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Leon Krieg
2026-02-02 04:50:13 +01:00
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engines/mads/nebular/sound_nebular.h Normal file
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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef MADS_SOUND_NEBULAR_H
#define MADS_SOUND_NEBULAR_H
#include "common/scummsys.h"
#include "common/file.h"
#include "common/mutex.h"
#include "common/queue.h"
namespace Audio {
class Mixer;
}
namespace Common {
class SeekableReadStream;
}
namespace OPL {
class OPL;
}
namespace MADS {
namespace Nebular {
class ASound;
/**
* Represents the data for a channel on the Adlib
*/
class AdlibChannel {
public:
ASound *_owner;
int _activeCount;
int _field1;
int _field2;
int _field3;
int _field4;
int _sampleIndex;
int _volume;
int _field7;
int _field8;
int _field9;
int _fieldA;
uint8 _fieldB;
int _fieldC;
int _fieldD;
int _fieldE;
byte *_ptr1;
byte *_pSrc;
byte *_ptr3;
byte *_ptr4;
byte *_ptrEnd;
int _field17;
int _field19;
byte *_soundData;
int _field1D;
int _volumeOffset;
int _field1F;
// TODO: Only used by asound.003. Figure out usage
byte _field20;
public:
static bool _channelsEnabled;
public:
AdlibChannel();
void reset();
void enable(int flag);
void setPtr2(byte *pData);
void load(byte *pData);
void check(byte *nullPtr);
};
class AdlibChannelData {
public:
int _field0;
int _freqMask;
int _freqBase;
int _field6;
};
class AdlibSample {
public:
int _attackRate;
int _decayRate;
int _sustainLevel;
int _releaseRate;
bool _egTyp;
bool _ksr;
int _totalLevel;
int _scalingLevel;
int _waveformSelect;
int _freqMultiple;
int _feedback;
bool _ampMod;
int _vib;
int _alg;
int _fieldE;
int _freqMask;
int _freqBase;
int _field14;
AdlibSample() {}
AdlibSample(Common::SeekableReadStream &s);
};
struct RegisterValue {
uint8 _regNum;
uint8 _value;
RegisterValue(int regNum, int value) {
_regNum = regNum; _value = value;
}
};
#define ADLIB_CHANNEL_COUNT 9
#define ADLIB_CHANNEL_MIDWAY 5
#define CALLBACKS_PER_SECOND 60
struct CachedDataEntry {
int _offset;
byte *_data;
byte *_dataEnd;
};
/**
* Base class for the sound player resource files
*/
class ASound {
private:
Common::List<CachedDataEntry> _dataCache;
uint16 _randomSeed;
int _masterVolume;
/**
* Does the initial Adlib initialisation
*/
void adlibInit();
/**
* Does on-going processing for the Adlib sounds being played
*/
void update();
/**
* Polls each of the channels for updates
*/
void pollChannels();
/**
* Checks the status of the channels
*/
void checkChannels();
/**
* Polls the currently active channel
*/
void pollActiveChannel();
/**
* Updates the octave of the currently active channel
*/
void updateOctave();
void updateChannelState();
void updateActiveChannel();
/**
* Loads up the specified sample
*/
void loadSample(int sampleIndex);
/**
* Writes out the data of the selected sample to the Adlib
*/
void processSample();
void updateFNumber();
/**
* Timer function for OPL
*/
void onTimer();
protected:
int _commandParam;
/**
* Queue a byte for an Adlib register
*/
void write(int reg, int val);
/**
* Queue a byte for an Adlib register, and store it in the _ports array
*/
int write2(int state, int reg, int val);
/**
* Flush any pending Adlib register values to the OPL driver
*/
void flush();
/**
* Turn a channel on
*/
void channelOn(int reg, int volume);
/**
* Turn a channel off
*/
void channelOff(int reg);
/**
* Checks for whether a poll result needs to be set
*/
void resultCheck();
/**
* Loads a data block from the sound file, caching the result for any future
* calls for the same data
*/
byte *loadData(int offset, int size);
/**
* Play the specified sound
* @param offset Offset of sound data within sound player data segment
* @param size Size of sound data block
*/
void playSound(int offset, int size);
/**
* Play the specified raw sound data
* @param pData Pointer to data block containing sound data
* @param startingChannel Channel to start scan from
*/
void playSoundData(byte *pData, int startingChannel = ADLIB_CHANNEL_MIDWAY);
/**
* Checks to see whether the given block of data is already loaded into a channel.
*/
bool isSoundActive(byte *pData);
/**
* Sets the frequency for a given channel.
*/
void setFrequency(int channel, int freq);
/**
* Returns a 16-bit random number
*/
int getRandomNumber();
virtual int command0();
int command1();
int command2();
int command3();
int command4();
int command5();
int command6();
int command7();
int command8();
int nullCommand() { return 0; }
public:
Audio::Mixer *_mixer;
OPL::OPL *_opl;
AdlibChannel _channels[ADLIB_CHANNEL_COUNT];
AdlibChannel *_activeChannelPtr;
AdlibChannelData _channelData[11];
Common::Array<AdlibSample> _samples;
AdlibSample *_samplePtr;
Common::File _soundFile;
Common::Queue<RegisterValue> _queue;
Common::Mutex _driverMutex;
int _dataOffset;
int _frameCounter;
bool _isDisabled;
int _v1;
int _v2;
int _activeChannelNumber;
int _freqMask1;
int _freqMask2;
int _freqBase1;
int _freqBase2;
int _channelNum1, _channelNum2;
int _v7;
int _v8;
int _v9;
int _v10;
int _pollResult;
int _resultFlag;
byte _nullData[2];
int _ports[256];
bool _stateFlag;
int _activeChannelReg;
int _v11;
bool _amDep, _vibDep, _splitPoint;
public:
/**
* Constructor
* @param mixer Mixer
* @param opl OPL
* @param filename Specifies the adlib sound player file to use
* @param dataOffset Offset in the file of the data segment
*/
ASound(Audio::Mixer *mixer, OPL::OPL *opl, const Common::Path &filename, int dataOffset);
/**
* Destructor
*/
virtual ~ASound();
/**
* Validates the Adlib sound files
*/
static void validate();
/**
* Execute a player command. Most commands represent sounds to play, but some
* low number commands also provide control operations.
* @param commandId Player ommand to execute.
* @param param Optional parameter used by a few commands
*/
virtual int command(int commandId, int param) = 0;
/**
* Stop all currently playing sounds
*/
int stop();
/**
* Main poll method to allow sounds to progress
*/
int poll();
/**
* General noise/note output
*/
void noise();
/**
* Return the current frame counter
*/
int getFrameCounter() { return _frameCounter; }
/**
* Return the cached data block record for previously loaded sound data
*/
CachedDataEntry &getCachedData(byte *pData);
/**
* Set the volume
*/
void setVolume(int volume);
};
class ASound1 : public ASound {
private:
typedef int (ASound1::*CommandPtr)();
static const CommandPtr _commandList[42];
bool _cmd23Toggle;
int command9();
int command10();
int command11();
int command12();
int command13();
int command14();
int command15();
int command16();
int command17();
int command18();
int command19();
int command20();
int command21();
int command22();
int command23();
int command24();
int command25();
int command26();
int command27();
int command28();
int command29();
int command30();
int command31();
int command32();
int command33();
int command34();
int command35();
int command36();
int command37();
int command38();
int command39();
int command40();
int command41();
void command111213();
int command2627293032();
public:
ASound1(Audio::Mixer *mixer, OPL::OPL *opl);
int command(int commandId, int param) override;
};
class ASound2 : public ASound {
private:
byte _command12Param;
private:
typedef int (ASound2::*CommandPtr)();
static const CommandPtr _commandList[44];
int command0() override;
int command9();
int command10();
int command11();
int command12();
int command13();
int command14();
int command15();
int command16();
int command17();
int command18();
int command19();
int command20();
int command21();
int command22();
int command23();
int command24();
int command25();
int command26();
int command27();
int command28();
int command29();
int command30();
int command31();
int command32();
int command33();
int command34();
int command35();
int command36();
int command37();
int command38();
int command39();
int command40();
int command41();
int command42();
int command43();
void command9Randomize();
void command9Apply(byte *data, int val, int incr);
public:
ASound2(Audio::Mixer *mixer, OPL::OPL *opl);
int command(int commandId, int param) override;
};
class ASound3 : public ASound {
private:
bool _command39Flag;
typedef int (ASound3::*CommandPtr)();
static const CommandPtr _commandList[61];
int command9();
int command10();
int command11();
int command13();
int command14();
int command15();
int command16();
int command17();
int command18();
int command19();
int command20();
int command21();
int command22();
int command23();
int command24();
int command25();
int command26();
int command27();
int command28();
int command29();
int command30();
int command31();
int command32();
int command33();
int command34();
int command35();
int command36();
int command37();
int command38();
int command39();
int command40();
int command41();
int command42();
int command43();
int command44();
int command45();
int command46();
int command47();
int command49();
int command50();
int command51();
int command57();
int command59();
int command60();
void command9Randomize();
void command9Apply(byte *data, int val, int incr);
public:
ASound3(Audio::Mixer *mixer, OPL::OPL *opl);
int command(int commandId, int param) override;
};
class ASound4 : public ASound {
private:
typedef int (ASound4::*CommandPtr)();
static const CommandPtr _commandList[61];
int command10();
int command12();
int command19();
int command20();
int command21();
int command24();
int command27();
int command30();
int command32();
int command33();
int command34();
int command35();
int command36();
int command37();
int command38();
int command43();
int command52();
int command53();
int command54();
int command55();
int command56();
int command57();
int command58();
int command59();
int command60();
void method1();
public:
ASound4(Audio::Mixer *mixer, OPL::OPL *opl);
int command(int commandId, int param) override;
};
class ASound5 : public ASound {
private:
typedef int (ASound5::*CommandPtr)();
static const CommandPtr _commandList[42];
int command9();
int command10();
int command11();
int command12();
int command13();
int command14();
int command15();
int command16();
int command17();
int command18();
int command19();
int command20();
int command21();
int command22();
int command23();
int command24();
int command25();
int command26();
int command27();
int command28();
int command29();
int command30();
int command31();
int command32();
int command33();
int command34();
int command35();
int command36();
int command37();
int command38();
int command39();
int command40();
int command41();
int command42();
int command43();
public:
ASound5(Audio::Mixer *mixer, OPL::OPL *opl);
int command(int commandId, int param) override;
};
class ASound6 : public ASound {
private:
typedef int (ASound6::*CommandPtr)();
static const CommandPtr _commandList[30];
int command9();
int command10();
int command11();
int command12();
int command13();
int command14();
int command15();
int command16();
int command17();
int command18();
int command19();
int command20();
int command21();
int command22();
int command23();
int command24();
int command25();
int command29();
public:
ASound6(Audio::Mixer *mixer, OPL::OPL *opl);
int command(int commandId, int param) override;
};
class ASound7 : public ASound {
private:
typedef int (ASound7::*CommandPtr)();
static const CommandPtr _commandList[38];
int command9();
int command15();
int command16();
int command18();
int command19();
int command20();
int command21();
int command22();
int command23();
int command24();
int command25();
int command26();
int command27();
int command28();
int command30();
int command32();
int command33();
int command34();
int command35();
int command36();
int command37();
public:
ASound7(Audio::Mixer *mixer, OPL::OPL *opl);
int command(int commandId, int param) override;
};
class ASound8 : public ASound {
private:
typedef int (ASound8::*CommandPtr)();
static const CommandPtr _commandList[38];
int command9();
int command10();
int command11();
int command12();
int command13();
int command14();
int command15();
int command16();
int command17();
int command18();
int command19();
int command20();
int command21();
int command22();
int command23();
int command24();
int command25();
int command26();
int command27();
int command28();
int command29();
int command30();
int command31();
int command32();
int command33();
int command34();
int command35();
int command36();
int command37();
void method1(byte *pData);
void adjustRange(byte *pData, byte v, int incr);
public:
ASound8(Audio::Mixer *mixer, OPL::OPL *opl);
int command(int commandId, int param) override;
};
class ASound9 : public ASound {
private:
int _v1, _v2;
byte *_soundPtr;
typedef int (ASound9::*CommandPtr)();
static const CommandPtr _commandList[52];
int command9();
int command10();
int command11();
int command12();
int command13();
int command14();
int command15();
int command16();
int command17();
int command18();
int command19();
int command20();
int command21();
int command22();
int command23();
int command24();
int command25();
int command26();
int command27();
int command28();
int command29();
int command30();
int command31();
int command32();
int command33();
int command34();
int command35();
int command36();
int command37();
int command38();
int command39();
int command40();
int command41();
int command42();
int command43();
int command44_46();
int command45();
int command47();
int command48();
int command49();
int command50();
int command51();
int command57();
int command59();
int command60();
public:
ASound9(Audio::Mixer *mixer, OPL::OPL *opl);
int command(int commandId, int param) override;
};
} // End of namespace Nebular
} // End of namespace MADS
#endif /* MADS_SOUND_NEBULAR_H */