Merge pull request #786 from dreammaster/titanic

TITANIC: Starship Titanic engine

1 files changed, 189 insertions, 0 deletions

diff --git a/engines/titanic/detection.cpp b/engines/titanic/detection.cpp
new file mode 100644
index 0000000000..86d26f2f27
--- /dev/null
+++ b/engines/titanic/detection.cpp
@@ -0,0 +1,189 @@
+/* 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 "titanic/titanic.h"
+#include "titanic/core/project_item.h"
+#include "titanic/support/simple_file.h"
+
+#include "base/plugins.h"
+#include "common/savefile.h"
+#include "common/str-array.h"
+#include "common/memstream.h"
+#include "engines/advancedDetector.h"
+#include "common/system.h"
+#include "graphics/colormasks.h"
+#include "graphics/surface.h"
+
+#define MAX_SAVES 99
+
+namespace Titanic {
+
+struct TitanicGameDescription {
+	ADGameDescription desc;
+};
+
+uint32 TitanicEngine::getFeatures() const {
+	return _gameDescription->desc.flags;
+}
+
+bool TitanicEngine::isDemo() const {
+	return (bool)(_gameDescription->desc.flags & ADGF_DEMO);
+}
+
+Common::Language TitanicEngine::getLanguage() const {
+	return _gameDescription->desc.language;
+}
+
+} // End of namespace Titanic
+
+static const PlainGameDescriptor TitanicGames[] = {
+	{"titanic", "Starship Titanic"},
+	{0, 0}
+};
+
+#include "titanic/detection_tables.h"
+
+class TitanicMetaEngine : public AdvancedMetaEngine {
+public:
+	TitanicMetaEngine() : AdvancedMetaEngine(Titanic::gameDescriptions, sizeof(Titanic::TitanicGameDescription), TitanicGames) {
+		_maxScanDepth = 3;
+	}
+
+	virtual const char *getName() const {
+		return "Titanic Engine";
+	}
+
+	virtual const char *getOriginalCopyright() const {
+		return "Titanic 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 TitanicMetaEngine::hasFeature(MetaEngineFeature f) const {
+	return
+	    (f == kSupportsListSaves) ||
+		(f == kSupportsLoadingDuringStartup) ||
+		(f == kSupportsDeleteSave) ||
+		(f == kSavesSupportMetaInfo) ||
+		(f == kSavesSupportThumbnail);
+}
+
+bool Titanic::TitanicEngine::hasFeature(EngineFeature f) const {
+	return
+		(f == kSupportsRTL) ||
+		(f == kSupportsLoadingDuringRuntime) ||
+		(f == kSupportsSavingDuringRuntime);
+}
+
+bool TitanicMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
+	const Titanic::TitanicGameDescription *gd = (const Titanic::TitanicGameDescription *)desc;
+	*engine = new Titanic::TitanicEngine(syst, gd);
+
+	return gd != 0;
+}
+
+SaveStateList TitanicMetaEngine::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);
+	Titanic::TitanicSavegameHeader header;
+
+	filenames = saveFileMan->listSavefiles(pattern);
+
+	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) {
+				Titanic::CompressedFile cf;
+				cf.open(in);
+				
+				if (Titanic::CProjectItem::readSavegameHeader(&cf, header))
+					saveList.push_back(SaveStateDescriptor(slot, header._saveName));
+
+				if (header._thumbnail) {
+					header._thumbnail->free();
+					delete header._thumbnail;
+				}
+
+				cf.close();
+			}
+		}
+	}
+
+	// Sort saves based on slot number.
+	Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
+	return saveList;
+}
+
+int TitanicMetaEngine::getMaximumSaveSlot() const {
+	return MAX_SAVES;
+}
+
+void TitanicMetaEngine::removeSaveState(const char *target, int slot) const {
+	Common::String filename = Common::String::format("%s.%03d", target, slot);
+	g_system->getSavefileManager()->removeSavefile(filename);
+}
+
+SaveStateDescriptor TitanicMetaEngine::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) {
+		Titanic::CompressedFile file;
+		file.open(f);
+
+		Titanic::TitanicSavegameHeader header;
+		Titanic::CProjectItem::readSavegameHeader(&file, header);
+
+		file.close();
+
+		// 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(TITANIC)
+	REGISTER_PLUGIN_DYNAMIC(TITANIC, PLUGIN_TYPE_ENGINE, TitanicMetaEngine);
+#else
+	REGISTER_PLUGIN_STATIC(TITANIC, PLUGIN_TYPE_ENGINE, TitanicMetaEngine);
+#endif