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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/sherlock/saveload.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/sherlock/saveload.cpp')
-rw-r--r-- | engines/sherlock/saveload.cpp | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/engines/sherlock/saveload.cpp b/engines/sherlock/saveload.cpp new file mode 100644 index 0000000000..fae8196dc1 --- /dev/null +++ b/engines/sherlock/saveload.cpp @@ -0,0 +1,278 @@ +/* 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 "sherlock/saveload.h" +#include "sherlock/surface.h" +#include "sherlock/sherlock.h" +#include "sherlock/scalpel/scalpel_saveload.h" +#include "common/system.h" +#include "graphics/scaler.h" +#include "graphics/thumbnail.h" + +namespace Sherlock { + +const char *const EMPTY_SAVEGAME_SLOT = "-EMPTY-"; +static const char *const SAVEGAME_STR = "SHLK"; +#define SAVEGAME_STR_SIZE 4 + +/*----------------------------------------------------------------*/ + +SaveManager *SaveManager::init(SherlockEngine *vm, const Common::String &target) { + if (vm->getGameID() == GType_SerratedScalpel) + return new Scalpel::ScalpelSaveManager(vm, target); + else + return new SaveManager(vm, target); +} + +SaveManager::SaveManager(SherlockEngine *vm, const Common::String &target) : + _vm(vm), _target(target) { + _saveThumb = nullptr; + _envMode = SAVEMODE_NONE; + _justLoaded = false; + _savegameIndex = 0; +} + +SaveManager::~SaveManager() { + if (_saveThumb) { + _saveThumb->free(); + delete _saveThumb; + } +} + +void SaveManager::createSavegameList() { + Screen &screen = *_vm->_screen; + + _savegames.clear(); + for (int idx = 0; idx < MAX_SAVEGAME_SLOTS; ++idx) + _savegames.push_back(EMPTY_SAVEGAME_SLOT); + + SaveStateList saveList = getSavegameList(_target); + for (uint idx = 0; idx < saveList.size(); ++idx) { + int slot = saveList[idx].getSaveSlot() - 1; + if (slot >= 0 && slot < MAX_SAVEGAME_SLOTS) + _savegames[slot] = saveList[idx].getDescription(); + } + + // Ensure the names will fit on the screen + for (uint idx = 0; idx < _savegames.size(); ++idx) { + int width = screen.stringWidth(_savegames[idx]) + 24; + if (width > 308) { + // It won't fit in, so remove characters until it does + do { + width -= screen.charWidth(_savegames[idx].lastChar()); + _savegames[idx].deleteLastChar(); + } while (width > 300); + } + } +} + +SaveStateList SaveManager::getSavegameList(const Common::String &target) { + Common::SaveFileManager *saveFileMan = g_system->getSavefileManager(); + Common::StringArray filenames; + Common::String saveDesc; + Common::String pattern = Common::String::format("%s.0??", target.c_str()); + SherlockSavegameHeader header; + + filenames = saveFileMan->listSavefiles(pattern); + sort(filenames.begin(), filenames.end()); // Sort to get the files in numerical order + + SaveStateList saveList; + for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) { + const char *ext = strrchr(file->c_str(), '.'); + int slot = ext ? atoi(ext + 1) : -1; + + if (slot >= 0 && slot < MAX_SAVEGAME_SLOTS) { + Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(*file); + + if (in) { + if (!readSavegameHeader(in, header)) + continue; + + saveList.push_back(SaveStateDescriptor(slot, header._saveName)); + + header._thumbnail->free(); + delete header._thumbnail; + delete in; + } + } + } + + return saveList; +} + +bool SaveManager::readSavegameHeader(Common::InSaveFile *in, SherlockSavegameHeader &header) { + char saveIdentBuffer[SAVEGAME_STR_SIZE + 1]; + header._thumbnail = nullptr; + + // Validate the header Id + in->read(saveIdentBuffer, SAVEGAME_STR_SIZE + 1); + if (strncmp(saveIdentBuffer, SAVEGAME_STR, SAVEGAME_STR_SIZE)) + return false; + + header._version = in->readByte(); + if (header._version < MINIMUM_SAVEGAME_VERSION || header._version > CURRENT_SAVEGAME_VERSION) + return false; + + // Read in the string + 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._year = in->readSint16LE(); + header._month = in->readSint16LE(); + header._day = in->readSint16LE(); + header._hour = in->readSint16LE(); + header._minute = in->readSint16LE(); + header._totalFrames = in->readUint32LE(); + + return true; +} + +void SaveManager::writeSavegameHeader(Common::OutSaveFile *out, SherlockSavegameHeader &header) { + // Write out a savegame header + out->write(SAVEGAME_STR, SAVEGAME_STR_SIZE + 1); + + out->writeByte(CURRENT_SAVEGAME_VERSION); + + // Write savegame name + out->write(header._saveName.c_str(), header._saveName.size()); + out->writeByte('\0'); + + // Handle the thumbnail. If there's already one set by the game, create one + if (!_saveThumb) + createThumbnail(); + Graphics::saveThumbnail(*out, *_saveThumb); + + _saveThumb->free(); + delete _saveThumb; + _saveThumb = nullptr; + + // Write out the save date/time + TimeDate td; + g_system->getTimeAndDate(td); + out->writeSint16LE(td.tm_year + 1900); + out->writeSint16LE(td.tm_mon + 1); + out->writeSint16LE(td.tm_mday); + out->writeSint16LE(td.tm_hour); + out->writeSint16LE(td.tm_min); + out->writeUint32LE(_vm->_events->getFrameCounter()); +} + +void SaveManager::createThumbnail() { + if (_saveThumb) { + _saveThumb->free(); + delete _saveThumb; + } + + _saveThumb = new Graphics::Surface(); + + if (!IS_3DO) { + uint8 thumbPalette[PALETTE_SIZE]; + _vm->_screen->getPalette(thumbPalette); + ::createThumbnail(_saveThumb, (const byte *)_vm->_screen->getPixels(), SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT, thumbPalette); + } else { + ::createThumbnailFromScreen(_saveThumb); + } +} + +void SaveManager::loadGame(int slot) { + Common::InSaveFile *saveFile = g_system->getSavefileManager()->openForLoading( + generateSaveName(slot)); + if (!saveFile) + return; + + // Load the savaegame header + SherlockSavegameHeader header; + if (!readSavegameHeader(saveFile, header)) + error("Invalid savegame"); + + if (header._thumbnail) { + header._thumbnail->free(); + delete header._thumbnail; + } + + // Synchronize the savegame data + Serializer s(saveFile, nullptr); + s.setSaveVersion(header._version); + synchronize(s); + + delete saveFile; +} + +void SaveManager::saveGame(int slot, const Common::String &name) { + Common::OutSaveFile *out = g_system->getSavefileManager()->openForSaving( + generateSaveName(slot)); + + SherlockSavegameHeader header; + header._saveName = name; + writeSavegameHeader(out, header); + + // Synchronize the savegame data + Serializer s(nullptr, out); + s.setSaveVersion(CURRENT_SAVEGAME_VERSION); + synchronize(s); + + out->finalize(); + delete out; +} + +Common::String SaveManager::generateSaveName(int slot) { + return Common::String::format("%s.%03d", _target.c_str(), slot); +} + +void SaveManager::synchronize(Serializer &s) { + Inventory &inv = *_vm->_inventory; + Journal &journal = *_vm->_journal; + Map &map = *_vm->_map; + People &people = *_vm->_people; + Scene &scene = *_vm->_scene; + Screen &screen = *_vm->_screen; + Talk &talk = *_vm->_talk; + + int oldFont = screen.fontNumber(); + + inv.synchronize(s); + journal.synchronize(s); + people.synchronize(s); + map.synchronize(s); + scene.synchronize(s); + screen.synchronize(s); + talk.synchronize(s); + _vm->synchronize(s); + + if (screen.fontNumber() != oldFont) + journal.resetPosition(); + + _justLoaded = true; +} + +bool SaveManager::isSlotEmpty(int slot) const { + return _savegames[slot].equalsIgnoreCase(EMPTY_SAVEGAME_SLOT); +} + +} // End of namespace Sherlock |