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Diffstat (limited to 'engines/lilliput/detection.cpp')
-rw-r--r-- | engines/lilliput/detection.cpp | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/engines/lilliput/detection.cpp b/engines/lilliput/detection.cpp new file mode 100644 index 0000000000..eb65ad2d64 --- /dev/null +++ b/engines/lilliput/detection.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 "engines/advancedDetector.h" +#include "common/system.h" +#include "common/savefile.h" +#include "common/textconsole.h" +#include "graphics/thumbnail.h" +#include "graphics/surface.h" + +#include "lilliput/lilliput.h" + +namespace Lilliput { + +struct LilliputGameDescription { + ADGameDescription desc; + GameType gameType; +}; + +uint32 LilliputEngine::getFeatures() const { + return _gameDescription->desc.flags; +} + +const char *LilliputEngine::getGameId() const { + return _gameDescription->desc.gameId; +} + + +static const PlainGameDescriptor lilliputGames[] = { + // Games + {"robin", "Adventures of Robin Hood"}, + {"rome", "Rome: Pathway to Power"}, + {0, 0} +}; + +static const LilliputGameDescription gameDescriptions[] = { + + // Robin Hood English + { + { + "robin", 0, + { + {"erules.prg", 0, "92aaf84693a8948497ad57864fa31c2a", 71010}, + {"isomap.dta", 0, "bad97eae03a4db3e99565e39b0b3c06a", 16384}, + AD_LISTEND + }, + Common::EN_ANY, + Common::kPlatformDOS, + ADGF_UNSTABLE, + GUIO0() + }, + kGameTypeRobin + }, + // Robin Hood French + { + { + "robin", 0, + { + {"frules.prg", 0, "cf076c5ebfe8b3571e74a6a46d79426f", 76660}, + {"isomap.dta", 0, "bad97eae03a4db3e99565e39b0b3c06a", 16384}, + AD_LISTEND + }, + Common::FR_FRA, + Common::kPlatformDOS, + ADGF_UNSTABLE, + GUIO0() + }, + kGameTypeRobin + }, + // Robin Hood German + { + { + "robin", 0, + { + {"grules.prg", 0, "b53b7353dc1e841b206a64851e7bc58c", 78050}, + {"isomap.dta", 0, "bad97eae03a4db3e99565e39b0b3c06a", 16384}, + AD_LISTEND + }, + Common::DE_DEU, + Common::kPlatformDOS, + ADGF_UNSTABLE, + GUIO0() + }, + kGameTypeRobin + }, + // Robin Hood Italian + { + { + "robin", 0, + { + {"irules.prg", 0, "4d69ed3cda1e1d73585905517ea705d1", 75654}, + {"isomap.dta", 0, "bad97eae03a4db3e99565e39b0b3c06a", 16384}, + AD_LISTEND + }, + Common::IT_ITA, + Common::kPlatformDOS, + ADGF_UNSTABLE, + GUIO0() + }, + kGameTypeRobin + }, + {AD_TABLE_END_MARKER, kGameTypeNone} +}; + +class LilliputMetaEngine : public AdvancedMetaEngine { +public: + LilliputMetaEngine() : AdvancedMetaEngine(gameDescriptions, sizeof(LilliputGameDescription), lilliputGames) { + } + + const char *getName() const { + return "Lilliput"; + } + + const char *getOriginalCopyright() const { + return "Lilliput Engine copyright S.L.Grand, Brainware, 1991-1992"; + } + + bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const; + bool hasFeature(MetaEngineFeature f) const; + + int getMaximumSaveSlot() const; + SaveStateList listSaves(const char *target) const; + SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const; + void removeSaveState(const char *target, int slot) const; +}; + +bool LilliputMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const { + if (gd) { + *engine = new LilliputEngine(syst, (const LilliputGameDescription *)gd); + ((LilliputEngine *)*engine)->initGame((const LilliputGameDescription *)gd); + } + return gd != 0; +} + +bool LilliputMetaEngine::hasFeature(MetaEngineFeature f) const { + return + (f == kSupportsListSaves) || + (f == kSupportsLoadingDuringStartup) || + (f == kSupportsDeleteSave) || + (f == kSavesSupportMetaInfo) || + (f == kSavesSupportThumbnail) || + (f == kSavesSupportCreationDate); +} + +int LilliputMetaEngine::getMaximumSaveSlot() const { + return 99; +} + +SaveStateList LilliputMetaEngine::listSaves(const char *target) const { + Common::SaveFileManager *saveFileMan = g_system->getSavefileManager(); + Common::StringArray filenames; + Common::String pattern = target; + pattern += "-##.SAV"; + + filenames = saveFileMan->listSavefiles(pattern); + + SaveStateList saveList; + char slot[3]; + int slotNum = 0; + for (Common::StringArray::const_iterator filename = filenames.begin(); filename != filenames.end(); ++filename) { + slot[0] = filename->c_str()[filename->size() - 6]; + slot[1] = filename->c_str()[filename->size() - 5]; + slot[2] = '\0'; + // Obtain the last 2 digits of the filename (without extension), since they correspond to the save slot + slotNum = atoi(slot); + if (slotNum >= 0 && slotNum <= getMaximumSaveSlot()) { + Common::InSaveFile *file = saveFileMan->openForLoading(*filename); + if (file) { + int saveVersion = file->readByte(); + + if (saveVersion != kSavegameVersion) { + warning("Savegame of incompatible version"); + delete file; + continue; + } + + // read name + uint16 nameSize = file->readUint16BE(); + if (nameSize >= 255) { + delete file; + continue; + } + char name[256]; + file->read(name, nameSize); + name[nameSize] = 0; + + saveList.push_back(SaveStateDescriptor(slotNum, name)); + delete file; + } + } + } + + Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator()); + return saveList; +} + +SaveStateDescriptor LilliputMetaEngine::querySaveMetaInfos(const char *target, int slot) const { + Common::String fileName = Common::String::format("%s-%02d.SAV", target, slot); + Common::InSaveFile *file = g_system->getSavefileManager()->openForLoading(fileName); + + if (file) { + int saveVersion = file->readByte(); + + if (saveVersion != kSavegameVersion) { + warning("Savegame of incompatible version"); + delete file; + return SaveStateDescriptor(); + } + + uint32 saveNameLength = file->readUint16BE(); + Common::String saveName; + for (uint32 i = 0; i < saveNameLength; ++i) { + char curChr = file->readByte(); + saveName += curChr; + } + + SaveStateDescriptor desc(slot, saveName); + + Graphics::Surface *thumbnail; + if (!Graphics::loadThumbnail(*file, thumbnail)) { + delete file; + return SaveStateDescriptor(); + } + desc.setThumbnail(thumbnail); + + desc.setDeletableFlag(true); + desc.setWriteProtectedFlag(false); + + uint32 saveDate = file->readUint32BE(); + uint16 saveTime = file->readUint16BE(); + + int day = (saveDate >> 24) & 0xFF; + int month = (saveDate >> 16) & 0xFF; + int year = saveDate & 0xFFFF; + + desc.setSaveDate(year, month, day); + + int hour = (saveTime >> 8) & 0xFF; + int minutes = saveTime & 0xFF; + + desc.setSaveTime(hour, minutes); + + // Slot 0 is used for the 'restart game' save in all Robin games, thus + // we prevent it from being deleted. + desc.setDeletableFlag(slot != 0); + desc.setWriteProtectedFlag(slot == 0); + + delete file; + return desc; + } + return SaveStateDescriptor(); +} + +void LilliputMetaEngine::removeSaveState(const char *target, int slot) const { + Common::String fileName = Common::String::format("%s-%02d.SAV", target, slot); + g_system->getSavefileManager()->removeSavefile(fileName); +} +} // End of namespace Lilliput + +#if PLUGIN_ENABLED_DYNAMIC(LILLIPUT) +REGISTER_PLUGIN_DYNAMIC(LILLIPUT, PLUGIN_TYPE_ENGINE, Lilliput::LilliputMetaEngine); +#else +REGISTER_PLUGIN_STATIC(LILLIPUT, PLUGIN_TYPE_ENGINE, Lilliput::LilliputMetaEngine); +#endif + +namespace Lilliput { + +void LilliputEngine::initGame(const LilliputGameDescription *gd) { + _gameType = gd->gameType; + _platform = gd->desc.platform; +} + +} // End of namespace Lilliput |