1 files changed, 196 insertions, 0 deletions
diff --git a/engines/xeen/detection.cpp b/engines/xeen/detection.cpp
new file mode 100644
index 0000000000..64b28bf687
--- /dev/null
+++ b/engines/xeen/detection.cpp
@@ -0,0 +1,196 @@
+/* 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 "xeen/xeen.h"
+#include "xeen/worldofxeen/worldofxeen_game.h"
+
+#include "base/plugins.h"
+#include "common/savefile.h"
+#include "engines/advancedDetector.h"
+#include "common/system.h"
+
+#define MAX_SAVES 99
+
+namespace Xeen {
+
+struct XeenGameDescription {
+	ADGameDescription desc;
+
+	int gameID;
+	uint32 features;
+};
+
+uint32 XeenEngine::getGameID() const {
+	return _gameDescription->gameID;
+}
+
+uint32 XeenEngine::getGameFeatures() const {
+	return _gameDescription->features;
+}
+
+uint32 XeenEngine::getFeatures() const {
+	return _gameDescription->desc.flags;
+}
+
+Common::Language XeenEngine::getLanguage() const {
+	return _gameDescription->desc.language;
+}
+
+Common::Platform XeenEngine::getPlatform() const {
+	return _gameDescription->desc.platform;
+}
+
+} // End of namespace Xeen
+
+static const PlainGameDescriptor XeenGames[] = {
+	{ "xeen", "Xeen" },
+	{ "clouds", "Clouds of Xeen" },
+	{ "darkside", "Dark Side of Xeen" },
+	{ "worldofxeen", "World of Xeen" },
+	{0, 0}
+};
+
+#include "xeen/detection_tables.h"
+
+class XeenMetaEngine : public AdvancedMetaEngine {
+public:
+	XeenMetaEngine() : AdvancedMetaEngine(Xeen::gameDescriptions, sizeof(Xeen::XeenGameDescription), XeenGames) {
+		_maxScanDepth = 3;
+	}
+
+	virtual const char *getName() const {
+		return "Xeen Engine";
+	}
+
+	virtual const char *getOriginalCopyright() const {
+		return "Xeen Engine (c) ???";
+	}
+
+	virtual bool hasFeature(MetaEngineFeature f) const;
+	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
+	virtual SaveStateList listSaves(const char *target) const;
+	virtual int getMaximumSaveSlot() const;
+	virtual void removeSaveState(const char *target, int slot) const;
+	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
+};
+
+bool XeenMetaEngine::hasFeature(MetaEngineFeature f) const {
+	return
+	    (f == kSupportsListSaves) ||
+		(f == kSupportsLoadingDuringStartup) ||
+		(f == kSupportsDeleteSave) ||
+		(f == kSavesSupportMetaInfo) ||
+		(f == kSavesSupportThumbnail);
+}
+
+bool Xeen::XeenEngine::hasFeature(EngineFeature f) const {
+	return
+		(f == kSupportsRTL) ||
+		(f == kSupportsLoadingDuringRuntime) ||
+		(f == kSupportsSavingDuringRuntime);
+}
+
+bool XeenMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
+	const Xeen::XeenGameDescription *gd = (const Xeen::XeenGameDescription *)desc;
+
+	switch (gd->gameID) {
+	case Xeen::GType_Clouds:
+	case Xeen::GType_DarkSide:
+	case Xeen::GType_WorldOfXeen:
+		*engine = new Xeen::WorldOfXeenEngine(syst, gd);
+		break;
+	default:
+		break;
+	}
+
+	return gd != 0;
+}
+
+SaveStateList XeenMetaEngine::listSaves(const char *target) const {
+	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
+	Common::StringArray filenames;
+	Common::String saveDesc;
+	Common::String pattern = Common::String::format("%s.0??", target);
+	Xeen::XeenSavegameHeader header;
+
+	filenames = saveFileMan->listSavefiles(pattern);
+	sort(filenames.begin(), filenames.end());   // Sort to get the files in numerical order
+
+	SaveStateList saveList;
+	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
+		const char *ext = strrchr(file->c_str(), '.');
+		int slot = ext ? atoi(ext + 1) : -1;
+
+		if (slot >= 0 && slot < MAX_SAVES) {
+			Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(*file);
+
+			if (in) {
+				Xeen::XeenEngine::readSavegameHeader(in, header);
+				saveList.push_back(SaveStateDescriptor(slot, header._saveName));
+
+				header._thumbnail->free();
+				delete header._thumbnail;
+				delete in;
+			}
+		}
+	}
+
+	return saveList;
+}
+
+int XeenMetaEngine::getMaximumSaveSlot() const {
+	return MAX_SAVES;
+}
+
+void XeenMetaEngine::removeSaveState(const char *target, int slot) const {
+	Common::String filename = Common::String::format("%s.%03d", target, slot);
+	g_system->getSavefileManager()->removeSavefile(filename);
+}
+
+SaveStateDescriptor XeenMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
+	Common::String filename = Common::String::format("%s.%03d", target, slot);
+	Common::InSaveFile *f = g_system->getSavefileManager()->openForLoading(filename);
+
+	if (f) {
+		Xeen::XeenSavegameHeader header;
+		Xeen::XeenEngine::readSavegameHeader(f, header);
+		delete f;
+
+		// Create the return descriptor
+		SaveStateDescriptor desc(slot, header._saveName);
+		desc.setThumbnail(header._thumbnail);
+		desc.setSaveDate(header._year, header._month, header._day);
+		desc.setSaveTime(header._hour, header._minute);
+		desc.setPlayTime(header._totalFrames * GAME_FRAME_TIME);
+
+		return desc;
+	}
+
+	return SaveStateDescriptor();
+}
+
+
+#if PLUGIN_ENABLED_DYNAMIC(XEEN)
+	REGISTER_PLUGIN_DYNAMIC(XEEN, PLUGIN_TYPE_ENGINE, XeenMetaEngine);
+#else
+	REGISTER_PLUGIN_STATIC(XEEN, PLUGIN_TYPE_ENGINE, XeenMetaEngine);
+#endif