Initial commit

engines/startrek/resource.h

@@ -0,0 +1,97 @@
+/* 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 RESOURCE_H
+#define RESOURCE_H
+
+#include "common/memstream.h"
+#include "common/platform.h"
+#include "common/str.h"
+#include "common/stream.h"
+
+#include "startrek/iwfile.h"
+
+namespace Common {
+class MacResManager;
+}
+
+namespace StarTrek {
+
+struct ResourceIndex {
+	uint32 indexOffset;
+	bool foundData;
+	uint16 fileCount;
+	uint16 uncompressedSize;	// used in the demo
+	Common::String fileName;
+
+	ResourceIndex() {
+		indexOffset = 0;
+		foundData = 0;
+		fileCount = 0;
+		uncompressedSize = 0;
+		fileName = "";
+	}
+};
+
+class Resource {
+public:
+	Resource(Common::Platform platform, bool isDemo);
+	virtual ~Resource();
+
+	Common::List<ResourceIndex> searchIndex(Common::String filename);
+	Common::MemoryReadStreamEndian *loadFile(Common::String filename, int fileIndex = 0, bool errorOnNotFound = true);
+	Common::MemoryReadStreamEndian *loadBitmapFile(Common::String baseName);
+
+	/**
+	 * TODO: Figure out what the extra parameters are, and if they're important.
+	 */
+	Common::MemoryReadStreamEndian *loadFileWithParams(Common::String filename, bool unk1, bool unk2, bool unk3);
+
+	/**
+	 * ".txt" files are just lists of strings. This traverses the file to get a particular
+	 * string index.
+	 */
+	Common::String getLoadedText(int textIndex);
+
+	void setTxtFileName(Common::String txtFileName) {
+		_txtFilename = txtFileName;
+	}
+
+	Common::List<ResourceIndex> _resources;
+
+private:
+	void readIndexFile();
+	ResourceIndex getIndex(Common::String filename);
+	ResourceIndex getIndexEntry(Common::SeekableReadStream *indexFile);
+	Common::MemoryReadStreamEndian *loadSequentialFile(Common::String filename, int fileIndex = 0);
+	uint32 getSequentialFileOffset(uint32 offset, int fileIndex);
+
+	//IWFile *_iwFile;
+	Common::MacResManager *_macResFork;
+	Common::Platform _platform;
+	bool _isDemo;
+	Common::String _txtFilename;
+	//Common::List<ResourceIndex> _resources;
+};
+
+} // End of namespace StarTrek
+
+#endif