LILLIPUT: Add skeletton

engines/lilliput/detection.cpp

@@ -0,0 +1,237 @@
+/* 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_NO_FLAGS,
+			GUIO0()
+		},
+		kGameTypeRobin
+	},
+
+	{AD_TABLE_END_MARKER, kGameTypeNone}
+};
+
+class LilliputMetaEngine : public AdvancedMetaEngine {
+public:
+	LilliputMetaEngine() : AdvancedMetaEngine(gameDescriptions, sizeof(LilliputGameDescription), lilliputGames) {
+	}
+
+	const char *getName() const {
+		return "Robin Hood";
+	}
+
+	const char *getOriginalCopyright() const {
+		return "Robin Hood 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);
+	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 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();
+		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 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