Initial commit

engines/sky/disk.h

@@ -0,0 +1,73 @@
+/* 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 SKY_DISK_H
+#define SKY_DISK_H
+
+
+#include "common/scummsys.h"
+#include "common/compression/rnc_deco.h"
+
+#define MAX_FILES_IN_LIST 60
+
+namespace Common {
+class File;
+}
+
+namespace Sky {
+
+class Disk {
+public:
+	Disk();
+	~Disk();
+
+	uint8 *loadFile(uint16 fileNr);
+	uint16 *loadScriptFile(uint16 fileNr);
+	bool fileExists(uint16 fileNr);
+
+	uint32 determineGameVersion();
+
+	uint32 _lastLoadedFileSize;
+
+	void fnMiniLoad(uint16 fileNum);
+	void fnCacheFast(uint16 *fList);
+	void fnCacheChip(uint16 *fList);
+	void fnCacheFiles();
+	void fnFlushBuffers();
+	uint32 *giveLoadedFilesList() { return _loadedFilesList; }
+	void refreshFilesList(uint32 *list);
+
+protected:
+	uint8 *getFileInfo(uint16 fileNr);
+	void dumpFile(uint16 fileNr);
+
+	uint32 _dinnerTableEntries;
+	uint8 *_dinnerTableArea;
+	Common::File *_dataDiskHandle;
+	Common::RncDecoder _rncDecoder;
+
+	uint16 _buildList[MAX_FILES_IN_LIST];
+	uint32 _loadedFilesList[MAX_FILES_IN_LIST];
+};
+
+} // End of namespace Sky
+
+#endif