diff options
Diffstat (limited to 'engines/draci')
-rw-r--r-- | engines/draci/detection.cpp | 79 | ||||
-rw-r--r-- | engines/draci/draci.cpp | 48 | ||||
-rw-r--r-- | engines/draci/draci.h | 9 | ||||
-rw-r--r-- | engines/draci/module.mk | 1 | ||||
-rw-r--r-- | engines/draci/saveload.cpp | 155 | ||||
-rw-r--r-- | engines/draci/saveload.h | 55 |
6 files changed, 343 insertions, 4 deletions
diff --git a/engines/draci/detection.cpp b/engines/draci/detection.cpp index 3fe37ead53..1d58d25cfa 100644 --- a/engines/draci/detection.cpp +++ b/engines/draci/detection.cpp @@ -24,6 +24,7 @@ */ #include "draci/draci.h" +#include "draci/saveload.h" #include "base/plugins.h" #include "engines/metaengine.h" @@ -107,16 +108,86 @@ public: } virtual bool hasFeature(MetaEngineFeature f) const; + virtual int getMaximumSaveSlot() const { return 99; }; + virtual SaveStateList listSaves(const char *target) const; + virtual void removeSaveState(const char *target, int slot) const; + virtual SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const; virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const; }; bool DraciMetaEngine::hasFeature(MetaEngineFeature f) const { - return false; + return + (f == kSupportsListSaves) || + (f == kSupportsDeleteSave) || + (f == kSavesSupportMetaInfo) || + (f == kSavesSupportThumbnail) || + (f == kSavesSupportCreationDate) || + (f == kSavesSupportPlayTime) || + (f == kSupportsLoadingDuringStartup); } -bool Draci::DraciEngine::hasFeature(EngineFeature f) const { - return (f == kSupportsSubtitleOptions) || - (f == kSupportsRTL); +SaveStateList DraciMetaEngine::listSaves(const char *target) const { + Common::SaveFileManager *saveFileMan = g_system->getSavefileManager(); + Common::StringList filenames; + Common::String pattern("draci.s??"); + + filenames = saveFileMan->listSavefiles(pattern); + sort(filenames.begin(), filenames.end()); // Sort (hopefully ensuring we are sorted numerically..) + + SaveStateList saveList; + for (Common::StringList::const_iterator file = filenames.begin(); file != filenames.end(); ++file) { + // Obtain the last 2 digits of the filename, since they correspond to the save slot + int slotNum = atoi(file->c_str() + file->size() - 2); + + if (slotNum >= 0 && slotNum <= 99) { + Common::InSaveFile *in = saveFileMan->openForLoading(*file); + if (in) { + Draci::DraciSavegameHeader header; + Draci::readSavegameHeader(in, header); + saveList.push_back(SaveStateDescriptor(slotNum, header.saveName)); + if (header.thumbnail) delete header.thumbnail; + delete in; + } + } + } + + return saveList; +} + +void DraciMetaEngine::removeSaveState(const char *target, int slot) const { + g_system->getSavefileManager()->removeSavefile(Draci::DraciEngine::getSavegameFile(slot)); +} + +SaveStateDescriptor DraciMetaEngine::querySaveMetaInfos(const char *target, int slot) const { + Common::InSaveFile *f = g_system->getSavefileManager()->openForLoading( + Draci::DraciEngine::getSavegameFile(slot)); + assert(f); + + Draci::DraciSavegameHeader header; + Draci::readSavegameHeader(f, header); + delete f; + + // Create the return descriptor + SaveStateDescriptor desc(slot, header.saveName); + desc.setDeletableFlag(true); + desc.setWriteProtectedFlag(false); + desc.setThumbnail(header.thumbnail); + + int day = (header.date >> 24) & 0xFF; + int month = (header.date >> 16) & 0xFF; + int year = header.date & 0xFFFF; + desc.setSaveDate(year, month, day); + + int hour = (header.time >> 8) & 0xFF; + int minutes = header.time & 0xFF; + desc.setSaveTime(hour, minutes); + + minutes = header.playtime / 60; + hour = minutes / 60; + minutes %= 60; + desc.setPlayTime(hour, minutes); + + return desc; } bool DraciMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const { diff --git a/engines/draci/draci.cpp b/engines/draci/draci.cpp index 14deb60603..9ecbfb37bb 100644 --- a/engines/draci/draci.cpp +++ b/engines/draci/draci.cpp @@ -81,6 +81,13 @@ DraciEngine::DraciEngine(OSystem *syst, const ADGameDescription *gameDesc) g_eventRec.registerRandomSource(_rnd, "draci"); } +bool DraciEngine::hasFeature(EngineFeature f) const { + return (f == kSupportsSubtitleOptions) || + (f == kSupportsRTL) || + (f == kSupportsLoadingDuringRuntime) || + (f == kSupportsSavingDuringRuntime); +} + int DraciEngine::init() { // Initialize graphics using following: initGraphics(kScreenWidth, kScreenHeight, false); @@ -301,7 +308,14 @@ DraciEngine::~DraciEngine() { Common::Error DraciEngine::run() { init(); + _engineStartTime = _system->getMillis() / 1000; _game->init(); + + // Load game from specified slot, if any + if (ConfMan.hasKey("save_slot")) { + loadGameState(ConfMan.getInt("save_slot")); + } + _game->start(); return Common::kNoError; } @@ -309,9 +323,17 @@ Common::Error DraciEngine::run() { void DraciEngine::pauseEngineIntern(bool pause) { Engine::pauseEngineIntern(pause); if (pause) { + // Record start of the pause, so that we can later + // adjust _engineStartTime accordingly. + _pauseStartTime = _system->getMillis(); + _anims->pauseAnimations(); } else { _anims->unpauseAnimations(); + + // Adjust engine start time + _engineStartTime += (_system->getMillis() - _pauseStartTime) / 1000; + _pauseStartTime = 0; } } @@ -321,4 +343,30 @@ void DraciEngine::syncSoundSettings() { // TODO: update our volumes } +const char *DraciEngine::getSavegameFile(int saveGameIdx) { + static char buffer[20]; + sprintf(buffer, "draci.s%02d", saveGameIdx); + return buffer; +} + +Common::Error DraciEngine::loadGameState(int slot) { + // TODO + return Common::kNoError; +} + +bool DraciEngine::canLoadGameStateCurrently() { + return (_game->getLoopStatus() == kStatusOrdinary) && + (_game->getLoopSubstatus() == kSubstatusOrdinary); +} + +Common::Error DraciEngine::saveGameState(int slot, const char *desc) { + // TODO + return Common::kNoError; +} + +bool DraciEngine::canSaveGameStateCurrently() { + return (_game->getLoopStatus() == kStatusOrdinary) && + (_game->getLoopSubstatus() == kSubstatusOrdinary); +} + } // End of namespace Draci diff --git a/engines/draci/draci.h b/engines/draci/draci.h index 7876025b9d..fed7cfed7e 100644 --- a/engines/draci/draci.h +++ b/engines/draci/draci.h @@ -54,6 +54,12 @@ public: void handleEvents(); + static const char *getSavegameFile(int saveGameIdx); + virtual Common::Error loadGameState(int slot); + virtual bool canLoadGameStateCurrently(); + virtual Common::Error saveGameState(int slot, const char *desc); + virtual bool canSaveGameStateCurrently(); + Screen *_screen; Mouse *_mouse; Game *_game; @@ -79,6 +85,9 @@ public: bool _showWalkingMap; Common::RandomSource _rnd; + + int32 _engineStartTime; + int32 _pauseStartTime; }; enum { diff --git a/engines/draci/module.mk b/engines/draci/module.mk index 3eddfd3079..10abad2b44 100644 --- a/engines/draci/module.mk +++ b/engines/draci/module.mk @@ -6,6 +6,7 @@ MODULE_OBJS := \ barchive.o \ script.o \ font.o \ + saveload.o \ sprite.o \ screen.o \ surface.o \ diff --git a/engines/draci/saveload.cpp b/engines/draci/saveload.cpp new file mode 100644 index 0000000000..bd2f247dd4 --- /dev/null +++ b/engines/draci/saveload.cpp @@ -0,0 +1,155 @@ +/* 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. + * + * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/engines/cruise/saveload.cpp $ + * $Id: saveload.cpp 42047 2009-07-03 06:19:20Z dreammaster $ + * + */ + +#include <time.h> // for extended infos + +#include "draci/draci.h" +#include "draci/saveload.h" + +#include "common/serializer.h" +#include "common/savefile.h" +#include "common/system.h" + +#include "graphics/scaler.h" +#include "graphics/thumbnail.h" + +namespace Draci { + +static const char *draciIdentString = "DRACI"; + +bool readSavegameHeader(Common::InSaveFile *in, DraciSavegameHeader &header) { + char saveIdentBuffer[6]; + header.thumbnail = NULL; + + // Validate the header Id + in->read(saveIdentBuffer, 6); + if (strcmp(saveIdentBuffer, draciIdentString)) + return false; + + header.version = in->readByte(); + if (header.version != DRACI_SAVEGAME_VERSION) + return false; + + // Read in the string + header.saveName.clear(); + char ch; + while ((ch = (char)in->readByte()) != '\0') header.saveName += ch; + + header.date = in->readUint32LE(); + header.time = in->readUint16LE(); + header.playtime = in->readUint32LE(); + + // Get the thumbnail + header.thumbnail = new Graphics::Surface(); + if (!Graphics::loadThumbnail(*in, *header.thumbnail)) { + delete header.thumbnail; + header.thumbnail = NULL; + return false; + } + + return true; +} + +void writeSavegameHeader(Common::OutSaveFile *out, const DraciSavegameHeader &header, const Graphics::Surface &thumb) { + // Write out a savegame header + out->write(draciIdentString, 6); + out->writeByte(DRACI_SAVEGAME_VERSION); + + // Write savegame name + out->write(header.saveName.c_str(), header.saveName.size() + 1); + + out->writeUint32BE(header.date); + out->writeUint16BE(header.time); + out->writeUint32BE(header.playtime); + + // Create a thumbnail and save it + Graphics::saveThumbnail(*out, thumb); +} + +static void DoSync(Common::Serializer &s) { +} + + +Common::Error saveSavegameData(int saveGameIdx, const Common::String &saveName, const DraciEngine &vm) { + const char *filename = vm.getSavegameFile(saveGameIdx); + Common::SaveFileManager *saveMan = g_system->getSavefileManager(); + Common::OutSaveFile *f = saveMan->openForSaving(filename); + if (f == NULL) + return Common::kNoGameDataFoundError; + + tm curTime; + vm._system->getTimeAndDate(curTime); + + // Save the savegame header + DraciSavegameHeader header; + header.saveName = saveName; + header.date = ((curTime.tm_mday & 0xFF) << 24) | (((curTime.tm_mon + 1) & 0xFF) << 16) | ((curTime.tm_year + 1900) & 0xFFFF); + header.time = ((curTime.tm_hour & 0xFF) << 8) | ((curTime.tm_min) & 0xFF); + header.playtime = vm._system->getMillis() / 1000 - vm._engineStartTime; + writeSavegameHeader(f, header, *vm._screen->getSurface()); + + if (f->err()) { + delete f; + saveMan->removeSavefile(filename); + return Common::kWritingFailed; + } else { + // Create the remainder of the savegame + Common::Serializer s(NULL, f); + DoSync(s); + + f->finalize(); + delete f; + return Common::kNoError; + } +} + +Common::Error loadSavegameData(int saveGameIdx, DraciEngine *vm) { + Common::String saveName; + + Common::SaveFileManager *saveMan = g_system->getSavefileManager(); + Common::InSaveFile *f = saveMan->openForLoading(vm->getSavegameFile(saveGameIdx)); + + if (f == NULL) { + return Common::kNoGameDataFoundError; + } + + // Skip over the savegame header + DraciSavegameHeader header; + readSavegameHeader(f, header); + if (header.thumbnail) delete header.thumbnail; + + // Synchronise the remaining data of the savegame + Common::Serializer s(f, NULL); + DoSync(s); + + delete f; + + // Post processing + vm->_engineStartTime = vm->_system->getMillis() / 1000 - header.playtime; + + return Common::kNoError; +} + +} // End of namespace Draci diff --git a/engines/draci/saveload.h b/engines/draci/saveload.h new file mode 100644 index 0000000000..b6a6c2930e --- /dev/null +++ b/engines/draci/saveload.h @@ -0,0 +1,55 @@ +/* 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. + * + * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/engines/cruise/saveload.h $ + * $Id: saveload.h 39981 2009-04-18 12:03:21Z dreammaster $ + * + */ + +#ifndef DRACI_SAVELOAD_H +#define DRACI_SAVELOAD_H + +#include "common/savefile.h" +#include "common/scummsys.h" +#include "graphics/surface.h" + +namespace Draci { + +#define DRACI_SAVEGAME_VERSION 1 + +struct DraciSavegameHeader { + uint8 version; + Common::String saveName; + uint32 date; + uint16 time; + uint32 playtime; + Graphics::Surface *thumbnail; +}; + +class DraciEngine; + +bool readSavegameHeader(Common::InSaveFile *in, DraciSavegameHeader &header); +void writeSavegameHeader(Common::OutSaveFile *out, const DraciSavegameHeader &header, const Graphics::Surface &thumb); +Common::Error saveSavegameData(int saveGameIdx, const Common::String &saveName, const DraciEngine &vm); +Common::Error loadSavegameData(int saveGameIdx, DraciEngine *vm); + +} // End of namespace Draci + +#endif |