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engines/scumm/file_nes.h

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+/* 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 SCUMM_FILE_NES_H
+#define SCUMM_FILE_NES_H
+
+#include "scumm/file.h"
+
+namespace Scumm {
+
+class ScummNESFile : public BaseScummFile {
+public:
+	enum ROMset {
+		kROMsetUSA,
+		kROMsetEurope,
+		kROMsetSweden,
+		kROMsetFrance,
+		kROMsetGermany,
+		kROMsetSpain,
+		kROMsetItaly,
+		kROMsetNum
+	};
+
+	struct Resource;
+	struct ResourceGroup;
+	struct LFLEntry;
+	struct LFL;
+
+	enum ResType {
+		NES_UNKNOWN,
+		NES_GLOBDATA,
+		NES_ROOM,
+		NES_SCRIPT,
+		NES_SOUND,
+		NES_COSTUME,
+		NES_ROOMGFX,
+		NES_COSTUMEGFX,
+		NES_SPRPALS,
+		NES_SPRDESC,
+		NES_SPRLENS,
+		NES_SPROFFS,
+		NES_SPRDATA,
+		NES_CHARSET,
+		NES_PREPLIST
+	};
+
+
+private:
+	Common::SeekableReadStream *_stream;
+	ROMset _ROMset;
+	byte *_buf;
+
+	bool generateIndex();
+	bool generateResource(int res);
+	uint16 extractResource(Common::WriteStream *out, const Resource *res, ResType type);
+
+	byte fileReadByte();
+	uint16 fileReadUint16LE();
+
+public:
+	ScummNESFile();
+
+	bool open(const Common::Path &filename) override;
+	bool openSubFile(const Common::Path &filename) override;
+
+	void close() override;
+	bool eos() const override { return _stream->eos(); }
+	int64 pos() const override { return _stream->pos(); }
+	int64 size() const override { return _stream->size(); }
+	bool seek(int64 offs, int whence = SEEK_SET) override { return _stream->seek(offs, whence); }
+	uint32 read(void *dataPtr, uint32 dataSize) override;
+};
+
+} // End of namespace Scumm
+
+#endif