1 files changed, 249 insertions, 0 deletions
diff --git a/engines/lab/detection.cpp b/engines/lab/detection.cpp
new file mode 100644
index 0000000000..c26231292b
--- /dev/null
+++ b/engines/lab/detection.cpp
@@ -0,0 +1,249 @@
+/* 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 Labyrinth of Time code with assistance of
+ *
+ * Copyright (c) 1993 Terra Nova Development
+ * Copyright (c) 2004 The Wyrmkeep Entertainment Co.
+ *
+ */
+
+#include "engines/advancedDetector.h"
+
+#include "lab/lab.h"
+
+static const PlainGameDescriptor lab_setting[] = {
+	{ "lab", "Labyrinth of Time" },
+	{ 0, 0 }
+};
+
+static const ADGameDescription labDescriptions[] = {
+	{
+		"lab",
+		"",
+		{
+			{ "doors",       0, "d77536010e7e5ae17ee066323ceb9585", 2537 }, // game/doors
+			{ "noteold.fon", 0, "6c1d90ad55149556e79d3f7bfddb4bd7", 9252 }, // game/spict/noteold.fon
+			{ NULL, 0, NULL, 0 }
+		},
+		Common::EN_ANY,
+		Common::kPlatformDOS,
+		ADGF_NO_FLAGS,
+		GUIO0()
+	},
+	{
+		"lab",
+		"Lowres",
+		{
+			{ "doors",   0, "d77536010e7e5ae17ee066323ceb9585", 2537 }, // game/doors
+			{ "64b",     0, "3a84d41bcc6a782f22e8e954bce09721", 39916 }, // game/pict/h2/64b
+			{ NULL, 0, NULL, 0 }
+		},
+		Common::EN_ANY,
+		Common::kPlatformDOS,
+		Lab::GF_LOWRES,
+		GUIO0()
+	},
+	{
+		"lab",
+		"Rerelease",
+		{
+			{ "doors",   0, "d77536010e7e5ae17ee066323ceb9585", 2537 }, // game/doors
+			{ "noteold.fon", 0, "6c1d90ad55149556e79d3f7bfddb4bd7", 9252 }, // game/spict/noteold.fon
+			{ "wyrmkeep",0, "97c7064c54c28b952d37c4ebff6efa50", 52286 }, // game/spict/intro
+			{ NULL, 0, NULL, 0 }
+		},
+		Common::EN_ANY,
+		Common::kPlatformWindows,
+		ADGF_NO_FLAGS,
+		GUIO0()
+	},
+	{
+		"lab",
+		"",
+		AD_ENTRY1s("doors", "7bf458df6ec30cc8ef4665e4d7c77f59", 2537), // game/doors
+		Common::EN_ANY,
+		Common::kPlatformAmiga,
+		Lab::GF_LOWRES,
+		GUIO0()
+	},
+	AD_TABLE_END_MARKER
+};
+
+static const char *const directoryGlobs[] = {
+		"game",
+		"pict",
+		"spict",
+		"rooms",
+		"h2",
+		"intro",
+		0
+};
+
+namespace Lab {
+
+Common::Platform LabEngine::getPlatform() const {
+	return _gameDescription->platform;
+}
+
+uint32 LabEngine::getFeatures() const {
+	return _gameDescription->flags | _extraGameFeatures;
+}
+
+} // End of namespace Lab
+
+class LabMetaEngine : public AdvancedMetaEngine {
+public:
+	LabMetaEngine() : AdvancedMetaEngine(labDescriptions, sizeof(ADGameDescription), lab_setting) {
+		_singleid = "lab";
+
+		_maxScanDepth = 4;
+		_directoryGlobs = directoryGlobs;
+		_flags = kADFlagUseExtraAsHint;
+	}
+
+	virtual const char *getName() const {
+		return "Lab";
+	}
+
+	virtual const char *getOriginalCopyright() const {
+		return "Labyrinth of Time (c) 2004 The Wyrmkeep Entertainment Co. and Terra Nova Development";
+	}
+
+	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
+		// Instantiate Engine even if the game data is not found.
+		*engine = new Lab::LabEngine(syst, desc);
+		return true;
+	}
+
+	virtual bool hasFeature(MetaEngineFeature f) const;
+	SaveStateList listSaves(const char *target) const;
+	virtual int getMaximumSaveSlot() const;
+	void removeSaveState(const char *target, int slot) const;
+	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
+};
+
+bool LabMetaEngine::hasFeature(MetaEngineFeature f) const {
+	return
+		(f == kSupportsListSaves) ||
+		(f == kSupportsLoadingDuringStartup) ||
+		(f == kSupportsDeleteSave) ||
+		(f == kSavesSupportMetaInfo) ||
+		(f == kSavesSupportThumbnail) ||
+		(f == kSavesSupportCreationDate) ||
+		(f == kSavesSupportPlayTime);
+}
+
+bool Lab::LabEngine::hasFeature(EngineFeature f) const {
+	return
+		(f == kSupportsRTL) ||
+		(f == kSupportsLoadingDuringRuntime) ||
+		(f == kSupportsSavingDuringRuntime);
+}
+
+SaveStateList LabMetaEngine::listSaves(const char *target) const {
+	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
+	Lab::SaveGameHeader header;
+	Common::String pattern = target;
+	pattern += ".???";
+
+	Common::StringArray filenames;
+	filenames = saveFileMan->listSavefiles(pattern.c_str());
+	Common::sort(filenames.begin(), filenames.end());   // Sort (hopefully ensuring we are sorted numerically..)*/
+
+	SaveStateList saveList;
+
+	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
+		// Obtain the last 3 digits of the filename, since they correspond to the save slot
+		int slotNum = atoi(file->c_str() + file->size() - 3);
+
+		if ((slotNum >= 0) && (slotNum <= 999)) {
+			Common::InSaveFile *in = saveFileMan->openForLoading(file->c_str());
+			if (in) {
+				if (Lab::readSaveGameHeader(in, header))
+					saveList.push_back(SaveStateDescriptor(slotNum, header._descr.getDescription()));
+				delete in;
+			}
+		}
+	}
+
+	return saveList;
+}
+
+int LabMetaEngine::getMaximumSaveSlot() const {
+	return 999;
+}
+
+void LabMetaEngine::removeSaveState(const char *target, int slot) const {
+	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
+	Common::String filename = Common::String::format("%s.%03u", target, slot);
+
+	saveFileMan->removeSavefile(filename.c_str());
+
+	Common::StringArray filenames;
+	Common::String pattern = target;
+	pattern += ".???";
+	filenames = saveFileMan->listSavefiles(pattern.c_str());
+	Common::sort(filenames.begin(), filenames.end());   // Sort (hopefully ensuring we are sorted numerically..)
+
+	for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
+		// Obtain the last 3 digits of the filename, since they correspond to the save slot
+		int slotNum = atoi(file->c_str() + file->size() - 3);
+
+		// Rename every slot greater than the deleted slot,
+		if (slotNum > slot) {
+			saveFileMan->renameSavefile(file->c_str(), filename.c_str());
+			filename = Common::String::format("%s.%03u", target, ++slot);
+		}
+	}
+}
+
+SaveStateDescriptor LabMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
+	Common::String filename = Common::String::format("%s.%03u", target, slot);
+	Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(filename.c_str());
+
+	if (in) {
+		Lab::SaveGameHeader header;
+
+		bool successfulRead = Lab::readSaveGameHeader(in, header);
+		delete in;
+
+		if (successfulRead) {
+			SaveStateDescriptor desc(slot, header._descr.getDescription());
+			// Do not allow save slot 0 (used for auto-saving) to be deleted or
+			// overwritten.
+			//desc.setDeletableFlag(slot != 0);
+			//desc.setWriteProtectedFlag(slot == 0);
+
+			return header._descr;
+		}
+	}
+
+	return SaveStateDescriptor();
+}
+
+#if PLUGIN_ENABLED_DYNAMIC(LAB)
+	REGISTER_PLUGIN_DYNAMIC(LAB, PLUGIN_TYPE_ENGINE, LabMetaEngine);
+#else
+	REGISTER_PLUGIN_STATIC(LAB, PLUGIN_TYPE_ENGINE, LabMetaEngine);
+#endif