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author | Willem Jan Palenstijn | 2015-07-22 22:37:40 +0200 |
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committer | Willem Jan Palenstijn | 2015-07-22 22:43:42 +0200 |
commit | 6ec9c81b575f13b2c4b30aeac592ebf2557b5890 (patch) | |
tree | 503d50902bad2d800165593039d08d5ccf0c98ab /engines/zvision/file/save_manager.cpp | |
parent | 5ec05f6b647c5ea41418be7ed19ad381f97cabd8 (diff) | |
parent | 4e5c8d35f7e133e2e72a846fdbd54900c91eeb73 (diff) | |
download | scummvm-rg350-6ec9c81b575f13b2c4b30aeac592ebf2557b5890.tar.gz scummvm-rg350-6ec9c81b575f13b2c4b30aeac592ebf2557b5890.tar.bz2 scummvm-rg350-6ec9c81b575f13b2c4b30aeac592ebf2557b5890.zip |
Merge branch 'master' into mm
Conflicts:
engines/access/access.cpp
engines/access/asurface.h
engines/access/bubble_box.cpp
engines/access/bubble_box.h
engines/access/martian/martian_game.cpp
engines/access/player.cpp
engines/access/player.h
engines/access/resources.cpp
engines/access/screen.cpp
engines/access/screen.h
engines/access/sound.cpp
engines/access/sound.h
Diffstat (limited to 'engines/zvision/file/save_manager.cpp')
-rw-r--r-- | engines/zvision/file/save_manager.cpp | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/engines/zvision/file/save_manager.cpp b/engines/zvision/file/save_manager.cpp new file mode 100644 index 0000000000..d169679e28 --- /dev/null +++ b/engines/zvision/file/save_manager.cpp @@ -0,0 +1,292 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include "common/scummsys.h" + +#include "zvision/zvision.h" +#include "zvision/file/save_manager.h" +#include "zvision/scripting/script_manager.h" +#include "zvision/graphics/render_manager.h" + +#include "common/system.h" +#include "common/translation.h" + +#include "graphics/surface.h" +#include "graphics/thumbnail.h" + +#include "gui/message.h" +#include "gui/saveload.h" + +namespace ZVision { + +const uint32 SaveManager::SAVEGAME_ID = MKTAG('Z', 'E', 'N', 'G'); + +bool SaveManager::scummVMSaveLoadDialog(bool isSave) { + GUI::SaveLoadChooser *dialog; + Common::String desc; + int slot; + + if (isSave) { + dialog = new GUI::SaveLoadChooser(_("Save game:"), _("Save"), true); + + slot = dialog->runModalWithCurrentTarget(); + desc = dialog->getResultString(); + + if (desc.empty()) { + // create our own description for the saved game, the user didnt enter it + desc = dialog->createDefaultSaveDescription(slot); + } + + if (desc.size() > 28) + desc = Common::String(desc.c_str(), 28); + } else { + dialog = new GUI::SaveLoadChooser(_("Restore game:"), _("Restore"), false); + slot = dialog->runModalWithCurrentTarget(); + } + + delete dialog; + + if (slot < 0) + return false; + + if (isSave) { + saveGame(slot, desc, false); + return true; + } else { + Common::ErrorCode result = loadGame(slot).getCode(); + return (result == Common::kNoError); + } +} + +void SaveManager::saveGame(uint slot, const Common::String &saveName, bool useSaveBuffer) { + if (!_tempSave && useSaveBuffer) + return; + + Common::SaveFileManager *saveFileManager = g_system->getSavefileManager(); + Common::OutSaveFile *file = saveFileManager->openForSaving(_engine->generateSaveFileName(slot)); + + writeSaveGameHeader(file, saveName, useSaveBuffer); + + if (useSaveBuffer) + file->write(_tempSave->getData(), _tempSave->size()); + else + _engine->getScriptManager()->serialize(file); + + file->finalize(); + delete file; + + if (useSaveBuffer) + flushSaveBuffer(); + + _lastSaveTime = g_system->getMillis(); +} + +void SaveManager::autoSave() { + saveGame(0, "Auto save", false); +} + +void SaveManager::writeSaveGameHeader(Common::OutSaveFile *file, const Common::String &saveName, bool useSaveBuffer) { + file->writeUint32BE(SAVEGAME_ID); + + // Write version + file->writeByte(SAVE_VERSION); + + // Write savegame name + file->writeString(saveName); + file->writeByte(0); + + // Save the game thumbnail + if (useSaveBuffer) + file->write(_tempThumbnail->getData(), _tempThumbnail->size()); + else + Graphics::saveThumbnail(*file); + + // Write out the save date/time + TimeDate td; + g_system->getTimeAndDate(td); + file->writeSint16LE(td.tm_year + 1900); + file->writeSint16LE(td.tm_mon + 1); + file->writeSint16LE(td.tm_mday); + file->writeSint16LE(td.tm_hour); + file->writeSint16LE(td.tm_min); +} + +Common::Error SaveManager::loadGame(int slot) { + Common::SeekableReadStream *saveFile = NULL; + + if (slot >= 0) { + saveFile = getSlotFile(slot); + } else { + saveFile = _engine->getSearchManager()->openFile("r.svr"); + if (!saveFile) { + Common::File *restoreFile = new Common::File(); + if (!restoreFile->open("r.svr")) { + delete restoreFile; + return Common::kPathDoesNotExist; + } + + saveFile = restoreFile; + } + } + + if (!saveFile) + return Common::kPathDoesNotExist; + + // Read the header + SaveGameHeader header; + if (!readSaveGameHeader(saveFile, header)) { + return Common::kUnknownError; + } + + ScriptManager *scriptManager = _engine->getScriptManager(); + // Update the state table values + scriptManager->deserialize(saveFile); + + delete saveFile; + if (header.thumbnail) + delete header.thumbnail; + + if (_engine->getGameId() == GID_NEMESIS && scriptManager->getCurrentLocation() == "tv2f") { + // WORKAROUND for script bug #6793: location tv2f (stairs) has two states: + // one at the top of the stairs, and one at the bottom. When the player + // goes to the bottom of the stairs, the screen changes, and hotspot + // 4652 (exit opposite the stairs) is enabled. However, the variable that + // controls the state (2408) is reset when the player goes down the stairs. + // Furthermore, the room's initialization script disables the stair exit + // control (4652). This leads to an impossible situation, where all the + // exit controls are disabled, and the player can't more anywhere. Thus, + // when loading a game in that room, we check for that impossible + // situation, which only occurs after the player has moved down the stairs, + // and fix it here by setting the correct background, and enabling the + // stair exit hotspot. + if ((scriptManager->getStateFlag(2411) & Puzzle::DISABLED) && + (scriptManager->getStateFlag(2408) & Puzzle::DISABLED) && + (scriptManager->getStateFlag(4652) & Puzzle::DISABLED)) { + _engine->getRenderManager()->setBackgroundImage("tv2fb21c.tga"); + scriptManager->unsetStateFlag(4652, Puzzle::DISABLED); + } + } + + return Common::kNoError; +} + +bool SaveManager::readSaveGameHeader(Common::InSaveFile *in, SaveGameHeader &header) { + uint32 tag = in->readUint32BE(); + // Check if it's original savegame than fill header structure + if (tag == MKTAG('Z', 'N', 'S', 'G')) { + header.saveYear = 0; + header.saveMonth = 0; + header.saveDay = 0; + header.saveHour = 0; + header.saveMinutes = 0; + header.saveName = "Original Save"; + header.thumbnail = NULL; + header.version = SAVE_ORIGINAL; + in->seek(-4, SEEK_CUR); + return true; + } + if (tag != SAVEGAME_ID) { + warning("File is not a Z-Vision save file. Aborting load"); + return false; + } + + // Read in the version + header.version = in->readByte(); + + // Check that the save version isn't newer than this binary + if (header.version > SAVE_VERSION) { + uint tempVersion = header.version; + GUI::MessageDialog dialog( + Common::String::format( + "This save file uses version %u, but this engine only " + "supports up to version %d. You will need an updated version " + "of the engine to use this save file.", tempVersion, SAVE_VERSION + ), + "OK"); + dialog.runModal(); + } + + // Read in the save name + header.saveName.clear(); + char ch; + while ((ch = (char)in->readByte()) != '\0') + header.saveName += ch; + + // Get the thumbnail + header.thumbnail = Graphics::loadThumbnail(*in); + if (!header.thumbnail) + return false; + + // Read in save date/time + header.saveYear = in->readSint16LE(); + header.saveMonth = in->readSint16LE(); + header.saveDay = in->readSint16LE(); + header.saveHour = in->readSint16LE(); + header.saveMinutes = in->readSint16LE(); + + return true; +} + +Common::SeekableReadStream *SaveManager::getSlotFile(uint slot) { + Common::SeekableReadStream *saveFile = g_system->getSavefileManager()->openForLoading(_engine->generateSaveFileName(slot)); + if (saveFile == NULL) { + // Try to load standard save file + Common::String filename; + if (_engine->getGameId() == GID_GRANDINQUISITOR) + filename = Common::String::format("inqsav%u.sav", slot); + else if (_engine->getGameId() == GID_NEMESIS) + filename = Common::String::format("nemsav%u.sav", slot); + + saveFile = _engine->getSearchManager()->openFile(filename); + if (saveFile == NULL) { + Common::File *tmpFile = new Common::File; + if (!tmpFile->open(filename)) { + delete tmpFile; + } else { + saveFile = tmpFile; + } + } + + } + + return saveFile; +} + +void SaveManager::prepareSaveBuffer() { + delete _tempThumbnail; + _tempThumbnail = new Common::MemoryWriteStreamDynamic; + Graphics::saveThumbnail(*_tempThumbnail); + + delete _tempSave; + _tempSave = new Common::MemoryWriteStreamDynamic; + _engine->getScriptManager()->serialize(_tempSave); +} + +void SaveManager::flushSaveBuffer() { + delete _tempThumbnail; + _tempThumbnail = NULL; + + delete _tempSave; + _tempSave = NULL; +} + +} // End of namespace ZVision |