Initial commit

engines/cryomni3d/metaengine.cpp

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "base/plugins.h"
+
+#include "engines/advancedDetector.h"
+#include "common/file.h"
+#include "common/md5.h"
+#include "common/savefile.h"
+#include "common/system.h"
+#include "common/textconsole.h"
+#include "common/translation.h"
+
+#include "cryomni3d/cryomni3d.h"
+
+#ifdef ENABLE_VERSAILLES
+#include "cryomni3d/versailles/engine.h"
+#endif
+
+#include "cryomni3d/detection.h"
+
+namespace CryOmni3D {
+
+const char *CryOmni3DEngine::getGameId() const {
+	return _gameDescription->desc.gameId;
+}
+
+uint32 CryOmni3DEngine::getFeatures() const {
+	return _gameDescription->features;
+}
+
+Common::Platform CryOmni3DEngine::getPlatform() const {
+	return _gameDescription->desc.platform;
+}
+
+uint8 CryOmni3DEngine::getGameType() const {
+	return _gameDescription->gameType;
+}
+
+Common::Language CryOmni3DEngine::getLanguage() const {
+	return _gameDescription->desc.language;
+}
+
+bool CryOmni3DEngine::hasFeature(EngineFeature f) const {
+	return
+		(f == kSupportsReturnToLauncher)
+		|| (f == kSupportsSubtitleOptions);
+}
+
+
+class CryOmni3DMetaEngine : public AdvancedMetaEngine<CryOmni3DGameDescription> {
+public:
+	const char *getName() const override {
+		return "cryomni3d";
+	}
+
+	bool hasFeature(MetaEngineFeature f) const override;
+	Common::Error createInstance(OSystem *syst, Engine **engine, const CryOmni3DGameDescription *desc) const override;
+
+	SaveStateList listSaves(const char *target) const override;
+	int getMaximumSaveSlot() const override { return 999; }
+	bool removeSaveState(const char *target, int slot) const override;
+	Common::String getSavegameFile(int saveGameIdx, const char *target) const override {
+		if (!target)
+			target = getName();
+		if (saveGameIdx == kSavegameFilePattern)
+			return Common::String::format("%s.####", target);
+		else
+			return Common::String::format("%s.%04d", target, saveGameIdx + 1);
+	}
+};
+
+bool CryOmni3DMetaEngine::hasFeature(MetaEngineFeature f) const {
+	return
+		(f == kSupportsListSaves)
+		|| (f == kSupportsLoadingDuringStartup)
+		|| (f == kSupportsDeleteSave);
+}
+
+SaveStateList CryOmni3DMetaEngine::listSaves(const char *target) const {
+	// Replicate constant here to shorten lines
+	static const uint kSaveDescriptionLen = CryOmni3DEngine::kSaveDescriptionLen;
+	SaveStateList saveList;
+
+	Common::SaveFileManager *saveMan = g_system->getSavefileManager();
+
+	char saveName[kSaveDescriptionLen + 1];
+	saveName[kSaveDescriptionLen] = '\0';
+	Common::StringArray filenames = saveMan->listSavefiles(getSavegameFilePattern(target));
+	sort(filenames.begin(), filenames.end());   // Sort (hopefully ensuring we are sorted numerically..)
+
+	int slotNum;
+
+	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end();
+			++file) {
+		// Obtain the last 4 digits of the filename, since they correspond to the save slot
+		slotNum = atoi(file->c_str() + file->size() - 4);
+
+		if (slotNum >= 1 && slotNum <= 99) {
+			Common::InSaveFile *in = saveMan->openForLoading(*file);
+			if (in) {
+				if (in->read(saveName, kSaveDescriptionLen) == kSaveDescriptionLen) {
+					saveList.push_back(SaveStateDescriptor(this, slotNum - 1, saveName));
+				}
+				delete in;
+			}
+		}
+	}
+
+	return saveList;
+}
+
+bool CryOmni3DMetaEngine::removeSaveState(const char *target, int slot) const {
+	return g_system->getSavefileManager()->removeSavefile(getSavegameFile(slot, target));
+}
+
+Common::Error CryOmni3DMetaEngine::createInstance(OSystem *syst, Engine **engine,
+		const CryOmni3DGameDescription *gd) const {
+	switch (gd->gameType) {
+	case GType_VERSAILLES:
+#ifdef ENABLE_VERSAILLES
+		*engine = new Versailles::CryOmni3DEngine_Versailles(syst, gd);
+		return Common::kNoError;
+#else
+		return Common::Error(Common::kUnsupportedGameidError, _s("Versailles 1685 support is not compiled in"));
+#endif
+	case GType_HNM_PLAYER:
+		*engine = new CryOmni3DEngine_HNMPlayer(syst, gd);
+		return Common::kNoError;
+	default:
+		return Common::kUnsupportedGameidError;
+	}
+}
+
+} // End of namespace CryOmni3D
+
+#if PLUGIN_ENABLED_DYNAMIC(CRYOMNI3D)
+	REGISTER_PLUGIN_DYNAMIC(CRYOMNI3D, PLUGIN_TYPE_ENGINE, CryOmni3D::CryOmni3DMetaEngine);
+#else
+	REGISTER_PLUGIN_STATIC(CRYOMNI3D, PLUGIN_TYPE_ENGINE, CryOmni3D::CryOmni3DMetaEngine);
+#endif