Initial commit

engines/tetraedge/obb_archive.h

@@ -0,0 +1,64 @@
+/* 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/>.
+ *
+ */
+
+#ifndef TETRAEDGE_OBB_ARCHIVE_H
+#define TETRAEDGE_OBB_ARCHIVE_H
+
+#include "common/archive.h"
+#include "common/ptr.h"
+#include "common/stream.h"
+#include "common/hashmap.h"
+#include "common/hash-str.h"
+
+namespace Tetraedge {
+
+class ObbArchive : public Common::Archive {
+public:
+	bool hasFile(const Common::Path &path) const override;
+	int listMembers(Common::ArchiveMemberList&) const override;
+	const Common::ArchiveMemberPtr getMember(const Common::Path &path) const override;
+	Common::SeekableReadStream *createReadStreamForMember(const Common::Path &path) const override;
+
+	// Similar to FileDescriptionBin but in native-endian and native strings.
+	struct FileDescriptor {
+		FileDescriptor() : _fileOffset(0), _fileSize(0) {}
+		FileDescriptor(uint32 offset,
+			       uint32 size) : _fileOffset(offset), _fileSize(size) {}
+		
+		uint32 _fileOffset;
+		uint32 _fileSize;
+	};
+
+    	typedef Common::HashMap<Common::String, FileDescriptor, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> FileMap;
+
+	static bool readFileMap(Common::SeekableReadStream &indexFile, FileMap &files);
+	static ObbArchive* open(const Common::Path& obbName);
+
+private:
+	ObbArchive(const FileMap& files,
+		   const Common::Path& obbName) : _files(files), _obbName(obbName) {}
+
+	FileMap _files;
+	Common::Path _obbName;
+};
+}
+
+#endif