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engines/dgds/sound/resource/sci_resource.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 DGDS_SOUND_RESOURCE_SCI_RESOURCE_H
+#define DGDS_SOUND_RESOURCE_SCI_RESOURCE_H
+
+#include "dgds/sound/scispan.h"
+
+namespace Common {
+class File;
+class FSList;
+class FSNode;
+class WriteStream;
+class SeekableReadStream;
+}
+
+namespace Dgds {
+
+/** Class for storing resources in memory */
+class SciResource : public SciSpan<const byte> {
+public:
+	SciResource(const byte *data, int dataSz, int16 id);
+	~SciResource();
+	void unalloc();
+};
+
+class SoundResource {
+public:
+	struct Channel {
+		byte number;
+		byte flags;
+		byte poly;
+		uint16 prio;
+		SciSpan<const byte> data;
+		uint16 curPos;
+		long time;
+		byte prev;
+
+		Channel() :
+			number(0),
+			flags(0),
+			poly(0),
+			prio(0),
+			data(),
+			curPos(0) {
+			time = 0;
+			prev = 0;
+		}
+	};
+
+	struct Track {
+		byte type;
+		byte channelCount;
+		SciSpan<const byte> header;
+		Channel *channels;
+		int16 digitalChannelNr;
+		uint16 digitalSampleRate;
+		uint16 digitalSampleSize;
+		uint16 digitalSampleStart;
+		uint16 digitalSampleEnd;
+	};
+public:
+	SoundResource(uint32 resNumberu, const byte *data, int dataSz);
+	~SoundResource();
+
+	Track *getTrackByType(byte type);
+	Track *getDigitalTrack();
+
+	byte getSoundPriority() const { return _soundPriority; }
+	bool exists() const { return _resource != nullptr; }
+
+private:
+	int _trackCount;
+	Track *_tracks;
+	SciResource *_resource;
+	byte _soundPriority;
+};
+
+} // End of namespace Dgds
+
+#endif // DGDS_SOUND_RESOURCE_SCI_RESOURCE_H