static inline bool flushStream(Common::WriteStream &stream) {
// Flush and check for errors
if (!stream.flush())
return false;
if (stream.err())
return false;
return true;
}
Common::WriteStream *KyraEngine_v1::openSaveForWriting(const char *filename, const char *saveName, const Graphics::Surface *thumbnail) const {
if (shouldQuit())
return 0;
Common::WriteStream *out = 0;
if (!(out = _saveFileMan->openForSaving(filename))) {
warning("Can't create file '%s', game not saved", filename);
return 0;
}
// Savegame version
out->writeUint32BE(MKTAG('W', 'W', 'S', 'V'));
out->writeByte(_flags.gameID);
out->writeUint32BE(CURRENT_SAVE_VERSION);
out->write(saveName, strlen(saveName) + 1);
if (_flags.isTalkie)
out->writeUint32BE(GF_TALKIE);
else if (_flags.platform == Common::kPlatformFMTowns || _flags.platform == Common::kPlatformPC98)
out->writeUint32BE(GF_FMTOWNS);
else
out->writeUint32BE(GF_FLOPPY);
if (out->err()) {
warning("Can't write file '%s'. (Disk full?)", filename);
delete out;
return 0;
}
Graphics::Surface *genThumbnail = 0;
if (!thumbnail)
thumbnail = genThumbnail = generateSaveThumbnail();
if (thumbnail)
Graphics::saveThumbnail(*out, *thumbnail);
else
Graphics::saveThumbnail(*out);
if (genThumbnail) {
genThumbnail->free();
delete genThumbnail;
}
return out;
}
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
exists = Common::File::exists(name);
// Check for a savegame with the name
Common::SaveFileManager *saveFileMan = g_sci->getSaveFileManager();
if (!exists)
exists = !saveFileMan->listSavefiles(name).empty();
// Try searching for the file prepending "target-"
const Common::String wrappedName = g_sci->wrapFilename(name);
if (!exists) {
exists = !saveFileMan->listSavefiles(wrappedName).empty();
}
// SCI2+ debug mode
if (DebugMan.isDebugChannelEnabled(kDebugLevelDebugMode)) {
if (!exists && name == "1.scr") // PQ4
exists = true;
if (!exists && name == "18.scr") // QFG4
exists = true;
if (!exists && name == "99.scr") // GK1, KQ7
exists = true;
if (!exists && name == "classes") // GK2, SQ6, LSL7
exists = true;
}
// Special case for non-English versions of LSL5: The English version of
// LSL5 calls kFileIO(), case K_FILEIO_OPEN for reading to check if
// memory.drv exists (which is where the game's password is stored). If
// it's not found, it calls kFileIO() again, case K_FILEIO_OPEN for
// writing and creates a new file. Non-English versions call kFileIO(),
// case K_FILEIO_FILE_EXISTS instead, and fail if memory.drv can't be
// found. We create a default memory.drv file with no password, so that
// the game can continue.
if (!exists && name == "memory.drv") {
// Create a new file, and write the bytes for the empty password
// string inside
byte defaultContent[] = { 0xE9, 0xE9, 0xEB, 0xE1, 0x0D, 0x0A, 0x31, 0x30, 0x30, 0x30 };
Common::WriteStream *outFile = saveFileMan->openForSaving(wrappedName);
for (int i = 0; i < 10; i++)
outFile->writeByte(defaultContent[i]);
outFile->finalize();
exists = !outFile->err(); // check whether we managed to create the file.
delete outFile;
}
// Special case for KQ6 Mac: The game checks for two video files to see
// if they exist before it plays them. Since we support multiple naming
// schemes for resource fork files, we also need to support that here in
// case someone has a "HalfDome.bin" file, etc.
if (!exists && g_sci->getGameId() == GID_KQ6 && g_sci->getPlatform() == Common::kPlatformMacintosh &&
(name == "HalfDome" || name == "Kq6Movie"))
exists = Common::MacResManager::exists(name);
debugC(kDebugLevelFile, "kFileIO(fileExists) %s -> %d", name.c_str(), exists);
return make_reg(0, exists);
}
bool err() const {
// CHECKME: does Z_STREAM_END make sense here?
return (_zlibErr != Z_OK && _zlibErr != Z_STREAM_END) || _wrapped->err();
}