scummvm/engines/avalanche/detection.cpp

/* 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.
 *
 */

/*
 * This code is based on the original source code of Lord Avalot d'Argent version 1.3.
 * Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
 */

#include "engines/advancedDetector.h"
#include "common/system.h"
#include "common/savefile.h"
#include "graphics/thumbnail.h"

#include "avalanche/avalanche.h"

namespace Avalanche {

struct AvalancheGameDescription {
	ADGameDescription desc;
};

uint32 AvalancheEngine::getFeatures() const {
	return _gameDescription->desc.flags;
}

const char *AvalancheEngine::getGameId() const {
	return _gameDescription->desc.gameid;
}

static const PlainGameDescriptor avalancheGames[] = {
	{"avalot", "Lord Avalot d'Argent"},
	{0, 0}
};

static const ADGameDescription gameDescriptions[] = {
	{
		"Avalanche", 0,
		{
			{"avalot.sez", 0, "de10eb353228013da3d3297784f81ff9", 48763},
			{"mainmenu.avd", 0, "89f31211af579a872045b175cc264298", 18880},
			AD_LISTEND
		},
		Common::EN_ANY,
		Common::kPlatformDOS,
		ADGF_NO_FLAGS,
		GUIO0()
	},

	AD_TABLE_END_MARKER
};

class AvalancheMetaEngine : public AdvancedMetaEngine {
public:
	AvalancheMetaEngine() : AdvancedMetaEngine(gameDescriptions, sizeof(AvalancheGameDescription), avalancheGames) {
	}

	const char *getName() const {
		return "Avalanche";
	}

	const char *getOriginalCopyright() const {
		return "Avalanche Engine Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.";
	}

	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 AvalancheMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const {
	if (gd) /*{*/
		*engine = new AvalancheEngine(syst, (const AvalancheGameDescription *)gd);
		/*	((AvalancheEngine *)*engine)->initGame((const ADGameDescription *)gd);
		}*/
	return gd != 0;
}

bool AvalancheMetaEngine::hasFeature(MetaEngineFeature f) const {
	return false;
		/*(f == kSupportsListSaves) ||
		 (f == kSupportsLoadingDuringStartup) ||
		 (f == kSupportsDeleteSave) ||
		 (f == kSavesSupportMetaInfo) ||
		 (f == kSavesSupportThumbnail) ||
		 (f == kSavesSupportCreationDate);*/
}

//int AvalancheMetaEngine::getMaximumSaveSlot() const { return 99; }
//
//SaveStateList AvalancheMetaEngine::listSaves(const char *target) const {
//	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
//	Common::StringArray filenames;
//	Common::String pattern = target;
//	pattern += "-??.SAV";
//
//	filenames = saveFileMan->listSavefiles(pattern);
//	sort(filenames.begin(), filenames.end());   // Sort (hopefully ensuring we are sorted numerically..)
//
//	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;
//			}
//		}
//	}
//
//	return saveList;
//}
//
//SaveStateDescriptor AvalancheMetaEngine::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();
//		char saveName[256];
//		file->read(saveName, saveNameLength);
//		saveName[saveNameLength] = 0;
//
//		SaveStateDescriptor desc(slot, saveName);
//
//		Graphics::Surface *const thumbnail = Graphics::loadThumbnail(*file);
//		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 Avalanche games, thus
//		// we prevent it from being deleted.
//		desc.setDeletableFlag(slot != 0);
//		desc.setWriteProtectedFlag(slot == 0);
//
//		delete file;
//		return desc;
//	}
//	return SaveStateDescriptor();
//}
//
//void AvalancheMetaEngine::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 Avalanche

#if PLUGIN_ENABLED_DYNAMIC(AVALANCHE)
REGISTER_PLUGIN_DYNAMIC(AVALANCHE, PLUGIN_TYPE_ENGINE, Avalanche::AvalancheMetaEngine);
#else
REGISTER_PLUGIN_STATIC(AVALANCHE, PLUGIN_TYPE_ENGINE, Avalanche::AvalancheMetaEngine);
#endif

//namespace Avalanche {
//
//void AvalancheEngine::initGame(const ADGameDescription *gd) {
//	_platform = gd->platform;
//}
//
//} // End of namespace Avalanche