Exemplo n.º 1
0
static inline bool flushStream(Common::WriteStream &stream) {
	// Flush and check for errors

	if (!stream.flush())
		return false;
	if (stream.err())
		return false;

	return true;
}
Exemplo n.º 2
0
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;
}
Exemplo n.º 3
0
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);
}
Exemplo n.º 4
0
	bool err() const {
		// CHECKME: does Z_STREAM_END make sense here?
		return (_zlibErr != Z_OK && _zlibErr != Z_STREAM_END) || _wrapped->err();
	}