diff options
| -rw-r--r-- | engines/sci/console.cpp | 21 | ||||
| -rw-r--r-- | engines/sci/engine/file.cpp | 308 | ||||
| -rw-r--r-- | engines/sci/engine/file.h | 66 | ||||
| -rw-r--r-- | engines/sci/engine/kernel.h | 3 | ||||
| -rw-r--r-- | engines/sci/engine/kfile.cpp | 343 | ||||
| -rw-r--r-- | engines/sci/engine/state.h | 43 |
6 files changed, 401 insertions, 383 deletions
diff --git a/engines/sci/console.cpp b/engines/sci/console.cpp index 5b5301b468..6a44972a4b 100644 --- a/engines/sci/console.cpp +++ b/engines/sci/console.cpp @@ -1216,6 +1216,27 @@ bool Console::cmdRestartGame(int argc, const char **argv) { return Cmd_Exit(0, 0); } +// 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. + +extern void listSavegames(Common::Array<SavegameDesc> &saves); + +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; +} + bool Console::cmdClassTable(int argc, const char **argv) { DebugPrintf("Available classes (parse a parameter to filter the table by a specific class):\n"); diff --git a/engines/sci/engine/file.cpp b/engines/sci/engine/file.cpp index 8876f3c46c..66f54d67df 100644 --- a/engines/sci/engine/file.cpp +++ b/engines/sci/engine/file.cpp @@ -25,9 +25,315 @@ #include "sci/sci.h" #include "sci/engine/file.h" +#include "sci/engine/kernel.h" +#include "sci/engine/savegame.h" +#include "sci/engine/selector.h" +#include "sci/engine/state.h" namespace Sci { +/* + * 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. + */ + +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); +} + +FileHandle *getFileFromHandle(EngineState *s, uint handle) { + if (handle == 0 || handle == VIRTUALFILE_HANDLE) { + error("Attempt to use invalid file handle (%d)", handle); + 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]; +} + +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; +} + +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 +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 +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; +} + + +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; +} + + +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); + } + } +} + +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; + } + _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; +} + + #ifdef ENABLE_SCI32 VirtualIndexFile::VirtualIndexFile(Common::String fileName) : _fileName(fileName), _changed(false) { @@ -111,7 +417,7 @@ bool VirtualIndexFile::seek(int32 offset, int whence) { _ptr += offset; break; case SEEK_SET: - assert(offset < _bufferSize); + assert(offset < (int32)_bufferSize); _ptr = _buffer + offset; break; case SEEK_END: diff --git a/engines/sci/engine/file.h b/engines/sci/engine/file.h index e7b1090c91..896dcd2a42 100644 --- a/engines/sci/engine/file.h +++ b/engines/sci/engine/file.h @@ -23,10 +23,74 @@ #ifndef SCI_ENGINE_FILE_H #define SCI_ENGINE_FILE_H -#include "common/scummsys.h" +#include "common/str-array.h" +#include "common/stream.h" namespace Sci { +enum { + _K_FILE_MODE_OPEN_OR_CREATE = 0, + _K_FILE_MODE_OPEN_OR_FAIL = 1, + _K_FILE_MODE_CREATE = 2 +}; + +/* Maximum length of a savegame name (including terminator character). */ +#define SCI_MAX_SAVENAME_LENGTH 0x24 + +enum { + MAX_SAVEGAME_NR = 20 /**< Maximum number of savegames */ +}; + +#define VIRTUALFILE_HANDLE 200 +#define PHANTASMAGORIA_SAVEGAME_INDEX "phantsg.dir" + +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]; +}; + +class FileHandle { +public: + Common::String _name; + Common::SeekableReadStream *_in; + Common::WriteStream *_out; + +public: + FileHandle(); + ~FileHandle(); + + void close(); + bool isOpen() const; +}; + + +class DirSeeker { +protected: + reg_t _outbuffer; + Common::StringArray _files; + Common::StringArray _virtualFiles; + Common::StringArray::const_iterator _iter; + +public: + DirSeeker() { + _outbuffer = NULL_REG; + _iter = _files.begin(); + } + + reg_t firstFile(const Common::String &mask, reg_t buffer, SegManager *segMan); + reg_t nextFile(SegManager *segMan); + + Common::String getVirtualFilename(uint fileNumber); + +private: + void addAsVirtualFiles(Common::String title, Common::String fileMask); +}; + + #ifdef ENABLE_SCI32 /** diff --git a/engines/sci/engine/kernel.h b/engines/sci/engine/kernel.h index d9fdbefbc2..25ca082a9a 100644 --- a/engines/sci/engine/kernel.h +++ b/engines/sci/engine/kernel.h @@ -276,9 +276,6 @@ private: const Common::String _invalid; }; -/* Maximum length of a savegame name (including terminator character). */ -#define SCI_MAX_SAVENAME_LENGTH 0x24 - /******************** Kernel functions ********************/ reg_t kStrLen(EngineState *s, int argc, reg_t *argv); diff --git a/engines/sci/engine/kfile.cpp b/engines/sci/engine/kfile.cpp index dddbc2710e..36e5273b06 100644 --- a/engines/sci/engine/kfile.cpp +++ b/engines/sci/engine/kfile.cpp @@ -41,125 +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 -}; - -#define VIRTUALFILE_HANDLE 200 -#define PHANTASMAGORIA_SAVEGAME_INDEX "phantsg.dir" - -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); -} +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); reg_t kFOpen(EngineState *s, int argc, reg_t *argv) { Common::String name = s->_segMan->getString(argv[0]); @@ -169,20 +55,6 @@ reg_t kFOpen(EngineState *s, int argc, reg_t *argv) { return file_open(s, name, mode, true); } -static FileHandle *getFileFromHandle(EngineState *s, uint handle) { - if (handle == 0 || handle == VIRTUALFILE_HANDLE) { - error("Attempt to use invalid file handle (%d)", handle); - 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) { @@ -204,33 +76,6 @@ reg_t kFPuts(EngineState *s, int argc, reg_t *argv) { 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]; @@ -257,9 +102,6 @@ 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, @@ -393,83 +235,6 @@ 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(); @@ -989,104 +754,6 @@ reg_t kFileIOSeek(EngineState *s, int argc, reg_t *argv) { return SIGNAL_REG; } -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); - } - } -} - -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; - } - _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; -} - reg_t kFileIOFindFirst(EngineState *s, int argc, reg_t *argv) { Common::String mask = s->_segMan->getString(argv[0]); reg_t buf = argv[1]; diff --git a/engines/sci/engine/state.h b/engines/sci/engine/state.h index 6f1f6a6bda..78a8a5b0a2 100644 --- a/engines/sci/engine/state.h +++ b/engines/sci/engine/state.h @@ -34,6 +34,7 @@ class WriteStream; } #include "sci/sci.h" +#include "sci/engine/file.h" #include "sci/engine/seg_manager.h" #include "sci/parser/vocabulary.h" @@ -42,6 +43,8 @@ class WriteStream; namespace Sci { +class FileHandle; +class DirSeeker; class EventManager; class MessageState; class SoundCommandParser; @@ -54,32 +57,6 @@ enum AbortGameState { kAbortQuitGame = 3 }; -class DirSeeker { -protected: - reg_t _outbuffer; - Common::StringArray _files; - Common::StringArray _virtualFiles; - Common::StringArray::const_iterator _iter; - -public: - DirSeeker() { - _outbuffer = NULL_REG; - _iter = _files.begin(); - } - - reg_t firstFile(const Common::String &mask, reg_t buffer, SegManager *segMan); - reg_t nextFile(SegManager *segMan); - - Common::String getVirtualFilename(uint fileNumber); - -private: - void addAsVirtualFiles(Common::String title, Common::String fileMask); -}; - -enum { - MAX_SAVEGAME_NR = 20 /**< Maximum number of savegames */ -}; - // We assume that scripts give us savegameId 0->99 for creating a new save slot // and savegameId 100->199 for existing save slots ffs. kfile.cpp enum { @@ -93,20 +70,6 @@ enum { GAMEISRESTARTING_RESTORE = 2 }; -class FileHandle { -public: - Common::String _name; - Common::SeekableReadStream *_in; - Common::WriteStream *_out; - -public: - FileHandle(); - ~FileHandle(); - - void close(); - bool isOpen() const; -}; - enum VideoFlags { kNone = 0, kDoubled = 1 << 0, |