diff options
Diffstat (limited to 'queen/queen.cpp')
| -rw-r--r-- | queen/queen.cpp | 110 |
1 files changed, 101 insertions, 9 deletions
diff --git a/queen/queen.cpp b/queen/queen.cpp index e9ea1dbda7..82cc858956 100644 --- a/queen/queen.cpp +++ b/queen/queen.cpp @@ -114,7 +114,8 @@ QueenEngine::~QueenEngine() { delete _logic; delete _music; delete _sound; - delete _walk; + delete _walk; + delete _saveFileMan; } void QueenEngine::registerDefaultSettings() { @@ -191,11 +192,11 @@ void QueenEngine::update(bool checkPlayerInput) { if (!_input->cutawayRunning()) { if (_input->quickSave()) { _input->quickSaveReset(); - _logic->gameSave(0, "Quicksave"); + saveGameState(0, "Quicksave"); } if (_input->quickLoad()) { _input->quickLoadReset(); - _logic->gameLoad(0); + loadGameState(0); } if (checkPlayerInput) { _command->updatePlayer(); @@ -206,6 +207,99 @@ void QueenEngine::update(bool checkPlayerInput) { } } +void QueenEngine::saveGameState(uint16 slot, const char *desc) { + debug(3, "Saving game to slot %d", slot); + char name[20]; + makeGameStateName(slot, name); + SaveFile *file = _saveFileMan->open_savefile(name, getSavePath(), true); + if (file) { + // save data + byte *saveData = new byte[30000]; + byte *p = saveData; + _bam->saveState(p); + _grid->saveState(p); + _logic->saveState(p); + _sound->saveState(p); + uint32 dataSize = p - saveData; + + // write header + GameStateHeader header; + memset(&header, 0, sizeof(header)); + file->writeUint32BE('SCVM'); + header.version = TO_BE_32(SAVESTATE_CUR_VER); + header.flags = TO_BE_32(0); + header.dataSize = TO_BE_32(dataSize); + strncpy(header.description, desc, sizeof(header.description) - 1); + file->write(&header, sizeof(header)); + + // write save data + if (file->write(saveData, dataSize) != dataSize) { + warning("Can't write file '%s'. (Disk full?)", name); + } + delete saveData; + delete file; + } else { + warning("Can't create file '%s', game not saved", name); + } +} + +void QueenEngine::loadGameState(uint16 slot) { + debug(3, "Loading game from slot %d", slot); + GameStateHeader header; + SaveFile *file = readGameStateHeader(slot, &header); + if (file && header.dataSize != 0) { + byte *saveData = new byte[header.dataSize]; + byte *p = saveData; + if (file->read(saveData, header.dataSize) != header.dataSize) { + warning("Error reading savegame file"); + } else { + _bam->loadState(header.version, p); + _grid->loadState(header.version, p); + _logic->loadState(header.version, p); + _sound->loadState(header.version, p); + assert(header.dataSize == (uint32)(p - saveData)); + _logic->setupRestoredGame(); + } + delete saveData; + delete file; + } +} + +SaveFile *QueenEngine::readGameStateHeader(uint16 slot, GameStateHeader *gsh) { + char name[20]; + makeGameStateName(slot, name); + SaveFile *file = _saveFileMan->open_savefile(name, getSavePath(), false); + if (file && file->readUint32BE() == 'SCVM') { + gsh->version = file->readUint32BE(); + gsh->flags = file->readUint32BE(); + gsh->dataSize = file->readUint32BE(); + file->read(gsh->description, sizeof(gsh->description)); + } else { + memset(gsh, 0, sizeof(GameStateHeader)); + } + return file; +} + +void QueenEngine::makeGameStateName(uint16 slot, char *buf) { + sprintf(buf, "queen.s%02d", slot); +} + +void QueenEngine::findGameStateDescriptions(char descriptions[100][32]) { + char filename[20]; + makeGameStateName(0, filename); + filename[strlen(filename) - 2] = 0; + bool marks[SAVESTATE_MAX]; + _saveFileMan->list_savefiles(filename, getSavePath(), marks, SAVESTATE_MAX); + for (int i = 0; i < SAVESTATE_MAX; ++i) { + if (marks[i]) { + GameStateHeader header; + SaveFile *f = readGameStateHeader(i, &header); + strcpy(descriptions[i], header.description); + delete f; + } + } +} + void QueenEngine::errorString(const char *buf1, char *buf2) { strcpy(buf2, buf1); } @@ -245,7 +339,7 @@ void QueenEngine::go() { void QueenEngine::initialise(void) { _bam = new BamScene(this); - _resource = new Resource(_gameDataPath, _system->get_savefile_manager(), getSavePath()); + _resource = new Resource(_gameDataPath); _bankMan = new BankManager(_resource); _command = new Command(this); _debugger = new Debugger(this); @@ -270,14 +364,12 @@ void QueenEngine::initialise(void) { _sound = Sound::giveSound(_mixer, this, _resource->compression()); _walk = new Walk(this); _timer->installTimerProc(&timerHandler, 1000000 / 50, this); //call 50 times per second + _saveFileMan = _system->get_savefile_manager(); } void QueenEngine::timerHandler(void *ptr) { - ((QueenEngine *)ptr)->gotTimerTick(); -} - -void QueenEngine::gotTimerTick() { - _display->handleTimer(); + QueenEngine *vm = (QueenEngine *)ptr; + vm->_display->handleTimer(); } } // End of namespace Queen |