diff options
Diffstat (limited to 'engines/sci/engine/kfile.cpp')
-rw-r--r-- | engines/sci/engine/kfile.cpp | 626 |
1 files changed, 169 insertions, 457 deletions
diff --git a/engines/sci/engine/kfile.cpp b/engines/sci/engine/kfile.cpp index 42f8b8832c..052332957b 100644 --- a/engines/sci/engine/kfile.cpp +++ b/engines/sci/engine/kfile.cpp @@ -33,6 +33,7 @@ #include "gui/saveload.h" #include "sci/sci.h" +#include "sci/engine/file.h" #include "sci/engine/state.h" #include "sci/engine/kernel.h" #include "sci/engine/savegame.h" @@ -40,209 +41,11 @@ namespace Sci { -struct SavegameDesc { - int16 id; - int virtualId; // straight numbered, according to id but w/o gaps - int date; - int time; - int version; - char name[SCI_MAX_SAVENAME_LENGTH]; -}; - -/* - * Note on how file I/O is implemented: In ScummVM, one can not create/write - * arbitrary data files, simply because many of our target platforms do not - * support this. The only files one can create are savestates. But SCI has an - * opcode to create and write to seemingly 'arbitrary' files. This is mainly - * used in LSL3 for LARRY3.DRV (which is a game data file, not a driver, used - * for persisting the results of the "age quiz" across restarts) and in LSL5 - * for MEMORY.DRV (which is again a game data file and contains the game's - * password, XOR encrypted). - * To implement that opcode, we combine the SaveFileManager with regular file - * code, similarly to how the SCUMM HE engine does it. - * - * To handle opening a file called "foobar", what we do is this: First, we - * create an 'augmented file name', by prepending the game target and a dash, - * so if we running game target sq1sci, the name becomes "sq1sci-foobar". - * Next, we check if such a file is known to the SaveFileManager. If so, we - * we use that for reading/writing, delete it, whatever. - * - * If no such file is present but we were only asked to *read* the file, - * we fallback to looking for a regular file called "foobar", and open that - * for reading only. - */ - - - -FileHandle::FileHandle() : _in(0), _out(0) { -} - -FileHandle::~FileHandle() { - close(); -} - -void FileHandle::close() { - delete _in; - delete _out; - _in = 0; - _out = 0; - _name.clear(); -} - -bool FileHandle::isOpen() const { - return _in || _out; -} - - - -enum { - _K_FILE_MODE_OPEN_OR_CREATE = 0, - _K_FILE_MODE_OPEN_OR_FAIL = 1, - _K_FILE_MODE_CREATE = 2 -}; - - - -reg_t file_open(EngineState *s, const Common::String &filename, int mode, bool unwrapFilename) { - Common::String englishName = g_sci->getSciLanguageString(filename, K_LANG_ENGLISH); - Common::String wrappedName = unwrapFilename ? g_sci->wrapFilename(englishName) : englishName; - Common::SeekableReadStream *inFile = 0; - Common::WriteStream *outFile = 0; - Common::SaveFileManager *saveFileMan = g_sci->getSaveFileManager(); - - if (mode == _K_FILE_MODE_OPEN_OR_FAIL) { - // Try to open file, abort if not possible - inFile = saveFileMan->openForLoading(wrappedName); - // If no matching savestate exists: fall back to reading from a regular - // file - if (!inFile) - inFile = SearchMan.createReadStreamForMember(englishName); - - if (!inFile) - debugC(kDebugLevelFile, " -> file_open(_K_FILE_MODE_OPEN_OR_FAIL): failed to open file '%s'", englishName.c_str()); - } else if (mode == _K_FILE_MODE_CREATE) { - // Create the file, destroying any content it might have had - outFile = saveFileMan->openForSaving(wrappedName); - if (!outFile) - debugC(kDebugLevelFile, " -> file_open(_K_FILE_MODE_CREATE): failed to create file '%s'", englishName.c_str()); - } else if (mode == _K_FILE_MODE_OPEN_OR_CREATE) { - // Try to open file, create it if it doesn't exist - outFile = saveFileMan->openForSaving(wrappedName); - if (!outFile) - debugC(kDebugLevelFile, " -> file_open(_K_FILE_MODE_CREATE): failed to create file '%s'", englishName.c_str()); - // QfG1 opens the character export file with _K_FILE_MODE_CREATE first, - // closes it immediately and opens it again with this here. Perhaps - // other games use this for read access as well. I guess changing this - // whole code into using virtual files and writing them after close - // would be more appropriate. - } else { - error("file_open: unsupported mode %d (filename '%s')", mode, englishName.c_str()); - } - - if (!inFile && !outFile) { // Failed - debugC(kDebugLevelFile, " -> file_open() failed"); - return SIGNAL_REG; - } - - // Find a free file handle - uint handle = 1; // Ignore _fileHandles[0] - while ((handle < s->_fileHandles.size()) && s->_fileHandles[handle].isOpen()) - handle++; - - if (handle == s->_fileHandles.size()) { - // Hit size limit => Allocate more space - s->_fileHandles.resize(s->_fileHandles.size() + 1); - } - - s->_fileHandles[handle]._in = inFile; - s->_fileHandles[handle]._out = outFile; - s->_fileHandles[handle]._name = englishName; - - debugC(kDebugLevelFile, " -> opened file '%s' with handle %d", englishName.c_str(), handle); - return make_reg(0, handle); -} - -reg_t kFOpen(EngineState *s, int argc, reg_t *argv) { - Common::String name = s->_segMan->getString(argv[0]); - int mode = argv[1].toUint16(); - - debugC(kDebugLevelFile, "kFOpen(%s,0x%x)", name.c_str(), mode); - return file_open(s, name, mode, true); -} - -static FileHandle *getFileFromHandle(EngineState *s, uint handle) { - if (handle == 0) { - error("Attempt to use file handle 0"); - return 0; - } - - if ((handle >= s->_fileHandles.size()) || !s->_fileHandles[handle].isOpen()) { - warning("Attempt to use invalid/unused file handle %d", handle); - return 0; - } - - return &s->_fileHandles[handle]; -} - -reg_t kFClose(EngineState *s, int argc, reg_t *argv) { - debugC(kDebugLevelFile, "kFClose(%d)", argv[0].toUint16()); - if (argv[0] != SIGNAL_REG) { - FileHandle *f = getFileFromHandle(s, argv[0].toUint16()); - if (f) - f->close(); - } - return s->r_acc; -} - -reg_t kFPuts(EngineState *s, int argc, reg_t *argv) { - int handle = argv[0].toUint16(); - Common::String data = s->_segMan->getString(argv[1]); - - FileHandle *f = getFileFromHandle(s, handle); - if (f) - f->_out->write(data.c_str(), data.size()); - - return s->r_acc; -} - -static int fgets_wrapper(EngineState *s, char *dest, int maxsize, int handle) { - FileHandle *f = getFileFromHandle(s, handle); - if (!f) - return 0; - - if (!f->_in) { - error("fgets_wrapper: Trying to read from file '%s' opened for writing", f->_name.c_str()); - return 0; - } - int readBytes = 0; - if (maxsize > 1) { - memset(dest, 0, maxsize); - f->_in->readLine(dest, maxsize); - readBytes = strlen(dest); // FIXME: sierra sci returned byte count and didn't react on NUL characters - // The returned string must not have an ending LF - if (readBytes > 0) { - if (dest[readBytes - 1] == 0x0A) - dest[readBytes - 1] = 0; - } - } else { - *dest = 0; - } - - debugC(kDebugLevelFile, " -> FGets'ed \"%s\"", dest); - return readBytes; -} - -reg_t kFGets(EngineState *s, int argc, reg_t *argv) { - int maxsize = argv[1].toUint16(); - char *buf = new char[maxsize]; - int handle = argv[2].toUint16(); - - debugC(kDebugLevelFile, "kFGets(%d, %d)", handle, maxsize); - int readBytes = fgets_wrapper(s, buf, maxsize, handle); - s->_segMan->memcpy(argv[0], (const byte*)buf, maxsize); - delete[] buf; - return readBytes ? argv[0] : NULL_REG; -} +extern reg_t file_open(EngineState *s, const Common::String &filename, int mode, bool unwrapFilename); +extern FileHandle *getFileFromHandle(EngineState *s, uint handle); +extern int fgets_wrapper(EngineState *s, char *dest, int maxsize, int handle); +extern void listSavegames(Common::Array<SavegameDesc> &saves); +extern int findSavegame(Common::Array<SavegameDesc> &saves, int16 savegameId); /** * Writes the cwd to the supplied address and returns the address in acc. @@ -258,9 +61,6 @@ reg_t kGetCWD(EngineState *s, int argc, reg_t *argv) { return argv[0]; } -static void listSavegames(Common::Array<SavegameDesc> &saves); -static int findSavegame(Common::Array<SavegameDesc> &saves, int16 saveId); - enum { K_DEVICE_INFO_GET_DEVICE = 0, K_DEVICE_INFO_GET_CURRENT_DEVICE = 1, @@ -394,83 +194,6 @@ reg_t kCheckFreeSpace(EngineState *s, int argc, reg_t *argv) { return make_reg(0, 1); } -static bool _savegame_sort_byDate(const SavegameDesc &l, const SavegameDesc &r) { - if (l.date != r.date) - return (l.date > r.date); - return (l.time > r.time); -} - -// Create a sorted array containing all found savedgames -static void listSavegames(Common::Array<SavegameDesc> &saves) { - Common::SaveFileManager *saveFileMan = g_sci->getSaveFileManager(); - - // Load all saves - Common::StringArray saveNames = saveFileMan->listSavefiles(g_sci->getSavegamePattern()); - - for (Common::StringArray::const_iterator iter = saveNames.begin(); iter != saveNames.end(); ++iter) { - Common::String filename = *iter; - Common::SeekableReadStream *in; - if ((in = saveFileMan->openForLoading(filename))) { - SavegameMetadata meta; - if (!get_savegame_metadata(in, &meta) || meta.name.empty()) { - // invalid - delete in; - continue; - } - delete in; - - SavegameDesc desc; - desc.id = strtol(filename.end() - 3, NULL, 10); - desc.date = meta.saveDate; - // We need to fix date in here, because we save DDMMYYYY instead of - // YYYYMMDD, so sorting wouldn't work - desc.date = ((desc.date & 0xFFFF) << 16) | ((desc.date & 0xFF0000) >> 8) | ((desc.date & 0xFF000000) >> 24); - desc.time = meta.saveTime; - desc.version = meta.version; - - if (meta.name.lastChar() == '\n') - meta.name.deleteLastChar(); - - Common::strlcpy(desc.name, meta.name.c_str(), SCI_MAX_SAVENAME_LENGTH); - - debug(3, "Savegame in file %s ok, id %d", filename.c_str(), desc.id); - - saves.push_back(desc); - } - } - - // Sort the list by creation date of the saves - Common::sort(saves.begin(), saves.end(), _savegame_sort_byDate); -} - -// Find a savedgame according to virtualId and return the position within our array -static int findSavegame(Common::Array<SavegameDesc> &saves, int16 savegameId) { - for (uint saveNr = 0; saveNr < saves.size(); saveNr++) { - if (saves[saveNr].id == savegameId) - return saveNr; - } - return -1; -} - -// The scripts get IDs ranging from 100->199, because the scripts require us to assign unique ids THAT EVEN STAY BETWEEN -// SAVES and the scripts also use "saves-count + 1" to create a new savedgame slot. -// SCI1.1 actually recycles ids, in that case we will currently get "0". -// This behavior is required especially for LSL6. In this game, it's possible to quick save. The scripts will use -// the last-used id for that feature. If we don't assign sticky ids, the feature will overwrite different saves all the -// time. And sadly we can't just use the actual filename ids directly, because of the creation method for new slots. - -bool Console::cmdListSaves(int argc, const char **argv) { - Common::Array<SavegameDesc> saves; - listSavegames(saves); - - for (uint i = 0; i < saves.size(); i++) { - Common::String filename = g_sci->getSavegameName(saves[i].id); - DebugPrintf("%s: '%s'\n", filename.c_str(), saves[i].name); - } - - return true; -} - reg_t kCheckSaveGame(EngineState *s, int argc, reg_t *argv) { Common::String game_id = s->_segMan->getString(argv[0]); uint16 virtualId = argv[1].toUint16(); @@ -738,6 +461,21 @@ reg_t kFileIO(EngineState *s, int argc, reg_t *argv) { reg_t kFileIOOpen(EngineState *s, int argc, reg_t *argv) { Common::String name = s->_segMan->getString(argv[0]); +#ifdef ENABLE_SCI32 + if (name == PHANTASMAGORIA_SAVEGAME_INDEX) { + if (s->_virtualIndexFile) { + return make_reg(0, VIRTUALFILE_HANDLE); + } else { + Common::String englishName = g_sci->getSciLanguageString(name, K_LANG_ENGLISH); + Common::String wrappedName = g_sci->wrapFilename(englishName); + if (!g_sci->getSaveFileManager()->listSavefiles(wrappedName).empty()) { + s->_virtualIndexFile = new VirtualIndexFile(wrappedName); + return make_reg(0, VIRTUALFILE_HANDLE); + } + } + } +#endif + // SCI32 can call K_FILEIO_OPEN with only one argument. It seems to // just be checking if it exists. int mode = (argc < 2) ? (int)_K_FILE_MODE_OPEN_OR_FAIL : argv[1].toUint16(); @@ -780,48 +518,82 @@ reg_t kFileIOOpen(EngineState *s, int argc, reg_t *argv) { reg_t kFileIOClose(EngineState *s, int argc, reg_t *argv) { debugC(kDebugLevelFile, "kFileIO(close): %d", argv[0].toUint16()); - FileHandle *f = getFileFromHandle(s, argv[0].toUint16()); + if (argv[0] == SIGNAL_REG) + return s->r_acc; + + uint16 handle = argv[0].toUint16(); + +#ifdef ENABLE_SCI32 + if (handle == VIRTUALFILE_HANDLE) { + s->_virtualIndexFile->close(); + return SIGNAL_REG; + } +#endif + + FileHandle *f = getFileFromHandle(s, handle); if (f) { f->close(); + if (getSciVersion() <= SCI_VERSION_0_LATE) + return s->r_acc; // SCI0 semantics: no value returned return SIGNAL_REG; } + + if (getSciVersion() <= SCI_VERSION_0_LATE) + return s->r_acc; // SCI0 semantics: no value returned return NULL_REG; } reg_t kFileIOReadRaw(EngineState *s, int argc, reg_t *argv) { - int handle = argv[0].toUint16(); - int size = argv[2].toUint16(); + uint16 handle = argv[0].toUint16(); + uint16 size = argv[2].toUint16(); int bytesRead = 0; char *buf = new char[size]; debugC(kDebugLevelFile, "kFileIO(readRaw): %d, %d", handle, size); - FileHandle *f = getFileFromHandle(s, handle); - if (f) { - bytesRead = f->_in->read(buf, size); - // TODO: What happens if less bytes are read than what has - // been requested? (i.e. if bytesRead is non-zero, but still - // less than size) - if (bytesRead > 0) - s->_segMan->memcpy(argv[1], (const byte*)buf, size); +#ifdef ENABLE_SCI32 + if (handle == VIRTUALFILE_HANDLE) { + bytesRead = s->_virtualIndexFile->read(buf, size); + } else { +#endif + FileHandle *f = getFileFromHandle(s, handle); + if (f) + bytesRead = f->_in->read(buf, size); +#ifdef ENABLE_SCI32 } +#endif + + // TODO: What happens if less bytes are read than what has + // been requested? (i.e. if bytesRead is non-zero, but still + // less than size) + if (bytesRead > 0) + s->_segMan->memcpy(argv[1], (const byte*)buf, size); delete[] buf; return make_reg(0, bytesRead); } reg_t kFileIOWriteRaw(EngineState *s, int argc, reg_t *argv) { - int handle = argv[0].toUint16(); - int size = argv[2].toUint16(); + uint16 handle = argv[0].toUint16(); + uint16 size = argv[2].toUint16(); char *buf = new char[size]; bool success = false; s->_segMan->memcpy((byte *)buf, argv[1], size); debugC(kDebugLevelFile, "kFileIO(writeRaw): %d, %d", handle, size); - FileHandle *f = getFileFromHandle(s, handle); - if (f) { - f->_out->write(buf, size); +#ifdef ENABLE_SCI32 + if (handle == VIRTUALFILE_HANDLE) { + s->_virtualIndexFile->write(buf, size); success = true; + } else { +#endif + FileHandle *f = getFileFromHandle(s, handle); + if (f) { + f->_out->write(buf, size); + success = true; + } +#ifdef ENABLE_SCI32 } +#endif delete[] buf; if (success) @@ -829,6 +601,51 @@ reg_t kFileIOWriteRaw(EngineState *s, int argc, reg_t *argv) { return make_reg(0, 6); // DOS - invalid handle } +reg_t kFileIOReadString(EngineState *s, int argc, reg_t *argv) { + uint16 maxsize = argv[1].toUint16(); + char *buf = new char[maxsize]; + uint16 handle = argv[2].toUint16(); + debugC(kDebugLevelFile, "kFileIO(readString): %d, %d", handle, maxsize); + uint32 bytesRead; + +#ifdef ENABLE_SCI32 + if (handle == VIRTUALFILE_HANDLE) + bytesRead = s->_virtualIndexFile->readLine(buf, maxsize); + else +#endif + bytesRead = fgets_wrapper(s, buf, maxsize, handle); + + s->_segMan->memcpy(argv[0], (const byte*)buf, maxsize); + delete[] buf; + return bytesRead ? argv[0] : NULL_REG; +} + +reg_t kFileIOWriteString(EngineState *s, int argc, reg_t *argv) { + int handle = argv[0].toUint16(); + Common::String str = s->_segMan->getString(argv[1]); + debugC(kDebugLevelFile, "kFileIO(writeString): %d", handle); + +#ifdef ENABLE_SCI32 + if (handle == VIRTUALFILE_HANDLE) { + s->_virtualIndexFile->write(str.c_str(), str.size()); + return NULL_REG; + } +#endif + + FileHandle *f = getFileFromHandle(s, handle); + + if (f) { + f->_out->write(str.c_str(), str.size()); + if (getSciVersion() <= SCI_VERSION_0_LATE) + return s->r_acc; // SCI0 semantics: no value returned + return NULL_REG; + } + + if (getSciVersion() <= SCI_VERSION_0_LATE) + return s->r_acc; // SCI0 semantics: no value returned + return make_reg(0, 6); // DOS - invalid handle +} + reg_t kFileIOUnlink(EngineState *s, int argc, reg_t *argv) { Common::String name = s->_segMan->getString(argv[0]); Common::SaveFileManager *saveFileMan = g_sci->getSaveFileManager(); @@ -854,9 +671,19 @@ reg_t kFileIOUnlink(EngineState *s, int argc, reg_t *argv) { name = g_sci->getSavegameName(savedir_nr); result = saveFileMan->removeSavefile(name); } else if (getSciVersion() >= SCI_VERSION_2) { - // We don't need to wrap the filename in SCI32 games, as it's already - // constructed here + // The file name may be already wrapped, so check both cases result = saveFileMan->removeSavefile(name); + if (!result) { + const Common::String wrappedName = g_sci->wrapFilename(name); + result = saveFileMan->removeSavefile(wrappedName); + } + +#ifdef ENABLE_SCI32 + if (name == PHANTASMAGORIA_SAVEGAME_INDEX) { + delete s->_virtualIndexFile; + s->_virtualIndexFile = 0; + } +#endif } else { const Common::String wrappedName = g_sci->wrapFilename(name); result = saveFileMan->removeSavefile(wrappedName); @@ -868,143 +695,34 @@ reg_t kFileIOUnlink(EngineState *s, int argc, reg_t *argv) { return make_reg(0, 2); // DOS - file not found error code } -reg_t kFileIOReadString(EngineState *s, int argc, reg_t *argv) { - int size = argv[1].toUint16(); - char *buf = new char[size]; - int handle = argv[2].toUint16(); - debugC(kDebugLevelFile, "kFileIO(readString): %d, %d", handle, size); - - int readBytes = fgets_wrapper(s, buf, size, handle); - s->_segMan->memcpy(argv[0], (const byte*)buf, size); - delete[] buf; - return readBytes ? argv[0] : NULL_REG; -} - -reg_t kFileIOWriteString(EngineState *s, int argc, reg_t *argv) { - int handle = argv[0].toUint16(); - Common::String str = s->_segMan->getString(argv[1]); - debugC(kDebugLevelFile, "kFileIO(writeString): %d", handle); - - FileHandle *f = getFileFromHandle(s, handle); - - if (f) { - f->_out->write(str.c_str(), str.size()); - return NULL_REG; - } - - return make_reg(0, 6); // DOS - invalid handle -} - reg_t kFileIOSeek(EngineState *s, int argc, reg_t *argv) { - int handle = argv[0].toUint16(); - int offset = argv[1].toUint16(); - int whence = argv[2].toUint16(); + uint16 handle = argv[0].toUint16(); + uint16 offset = ABS<int16>(argv[1].toSint16()); // can be negative + uint16 whence = argv[2].toUint16(); debugC(kDebugLevelFile, "kFileIO(seek): %d, %d, %d", handle, offset, whence); - FileHandle *f = getFileFromHandle(s, handle); - - if (f) - s->r_acc = make_reg(0, f->_in->seek(offset, whence)); +#ifdef ENABLE_SCI32 + if (handle == VIRTUALFILE_HANDLE) + return make_reg(0, s->_virtualIndexFile->seek(offset, whence)); +#endif - return SIGNAL_REG; -} + FileHandle *f = getFileFromHandle(s, handle); -void DirSeeker::addAsVirtualFiles(Common::String title, Common::String fileMask) { - Common::SaveFileManager *saveFileMan = g_sci->getSaveFileManager(); - Common::StringArray foundFiles = saveFileMan->listSavefiles(fileMask); - if (!foundFiles.empty()) { - _files.push_back(title); - _virtualFiles.push_back(""); - Common::StringArray::iterator it; - Common::StringArray::iterator it_end = foundFiles.end(); - - for (it = foundFiles.begin(); it != it_end; it++) { - Common::String regularFilename = *it; - Common::String wrappedFilename = Common::String(regularFilename.c_str() + fileMask.size() - 1); - - Common::SeekableReadStream *testfile = saveFileMan->openForLoading(regularFilename); - int32 testfileSize = testfile->size(); - delete testfile; - if (testfileSize > 1024) // check, if larger than 1k. in that case its a saved game. - continue; // and we dont want to have those in the list - // We need to remove the prefix for display purposes - _files.push_back(wrappedFilename); - // but remember the actual name as well - _virtualFiles.push_back(regularFilename); + if (f && f->_in) { + // Backward seeking isn't supported in zip file streams, thus adapt the + // parameters accordingly if games ask for such a seek mode. A known + // case where this is requested is the save file manager in Phantasmagoria + if (whence == SEEK_END) { + whence = SEEK_SET; + offset = f->_in->size() - offset; } - } -} - -Common::String DirSeeker::getVirtualFilename(uint fileNumber) { - if (fileNumber >= _virtualFiles.size()) - error("invalid virtual filename access"); - return _virtualFiles[fileNumber]; -} -reg_t DirSeeker::firstFile(const Common::String &mask, reg_t buffer, SegManager *segMan) { - // Verify that we are given a valid buffer - if (!buffer.segment) { - error("DirSeeker::firstFile('%s') invoked with invalid buffer", mask.c_str()); - return NULL_REG; + return make_reg(0, f->_in->seek(offset, whence)); + } else if (f && f->_out) { + error("kFileIOSeek: Unsupported seek operation on a writeable stream (offset: %d, whence: %d)", offset, whence); } - _outbuffer = buffer; - _files.clear(); - _virtualFiles.clear(); - - int QfGImport = g_sci->inQfGImportRoom(); - if (QfGImport) { - _files.clear(); - addAsVirtualFiles("-QfG1-", "qfg1-*"); - addAsVirtualFiles("-QfG1VGA-", "qfg1vga-*"); - if (QfGImport > 2) - addAsVirtualFiles("-QfG2-", "qfg2-*"); - if (QfGImport > 3) - addAsVirtualFiles("-QfG3-", "qfg3-*"); - - if (QfGImport == 3) { - // QfG3 sorts the filelisting itself, we can't let that happen otherwise our - // virtual list would go out-of-sync - reg_t savedHeros = segMan->findObjectByName("savedHeros"); - if (!savedHeros.isNull()) - writeSelectorValue(segMan, savedHeros, SELECTOR(sort), 0); - } - - } else { - // Prefix the mask - const Common::String wrappedMask = g_sci->wrapFilename(mask); - // Obtain a list of all files matching the given mask - Common::SaveFileManager *saveFileMan = g_sci->getSaveFileManager(); - _files = saveFileMan->listSavefiles(wrappedMask); - } - - // Reset the list iterator and write the first match to the output buffer, - // if any. - _iter = _files.begin(); - return nextFile(segMan); -} - -reg_t DirSeeker::nextFile(SegManager *segMan) { - if (_iter == _files.end()) { - return NULL_REG; - } - - Common::String string; - - if (_virtualFiles.empty()) { - // Strip the prefix, if we don't got a virtual filelisting - const Common::String wrappedString = *_iter; - string = g_sci->unwrapFilename(wrappedString); - } else { - string = *_iter; - } - if (string.size() > 12) - string = Common::String(string.c_str(), 12); - segMan->strcpy(_outbuffer, string.c_str()); - - // Return the result and advance the list iterator :) - ++_iter; - return _outbuffer; + return SIGNAL_REG; } reg_t kFileIOFindFirst(EngineState *s, int argc, reg_t *argv) { @@ -1027,6 +745,14 @@ reg_t kFileIOFindNext(EngineState *s, int argc, reg_t *argv) { reg_t kFileIOExists(EngineState *s, int argc, reg_t *argv) { Common::String name = s->_segMan->getString(argv[0]); +#ifdef ENABLE_SCI32 + // Cache the file existence result for the Phantasmagoria + // save index file, as the game scripts keep checking for + // its existence. + if (name == PHANTASMAGORIA_SAVEGAME_INDEX && s->_virtualIndexFile) + return TRUE_REG; +#endif + bool exists = false; // Check for regular file @@ -1191,35 +917,21 @@ reg_t kMakeSaveFileName(EngineState *s, int argc, reg_t *argv) { return argv[0]; } +reg_t kAutoSave(EngineState *s, int argc, reg_t *argv) { + // TODO + // This is a timer callback, with 1 parameter: the timer object + // (e.g. "timers"). + // It's used for auto-saving (i.e. save every X minutes, by checking + // the elapsed time from the timer object) + + // This function has to return something other than 0 to proceed + return s->r_acc; +} + reg_t kSave(EngineState *s, int argc, reg_t *argv) { - switch (argv[0].toUint16()) { - case 0: - return kSaveGame(s, argc - 1,argv + 1); - case 1: - return kRestoreGame(s, argc - 1,argv + 1); - case 2: - return kGetSaveDir(s, argc - 1, argv + 1); - case 3: - return kCheckSaveGame(s, argc - 1, argv + 1); - case 5: - return kGetSaveFiles(s, argc - 1, argv + 1); - case 6: - return kMakeSaveCatName(s, argc - 1, argv + 1); - case 7: - return kMakeSaveFileName(s, argc - 1, argv + 1); - case 8: - // TODO - // This is a timer callback, with 1 parameter: the timer object - // (e.g. "timers"). - // It's used for auto-saving (i.e. save every X minutes, by checking - // the elapsed time from the timer object) - - // This function has to return something other than 0 to proceed - return s->r_acc; - default: - kStub(s, argc, argv); - return NULL_REG; - } + if (!s) + return make_reg(0, getSciVersion()); + error("not supposed to call this"); } #endif |