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engines/teenagent/music.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 TEEN_MUSIC_H
+#define TEEN_MUSIC_H
+
+#include "audio/mods/paula.h"
+#include "common/array.h"
+
+namespace TeenAgent {
+
+class TeenAgentEngine;
+
+class MusicPlayer : public Audio::Paula {
+public:
+	MusicPlayer(TeenAgentEngine *vm);
+	~MusicPlayer() override;
+
+	bool load(int id);
+	int getId() const { return _id; }
+
+	void start();
+	void stop();
+
+private:
+	TeenAgentEngine *_vm;
+
+	int _id;
+
+	struct Row {
+		struct Channel {
+			byte sample;
+			byte volume;
+			byte note;
+			Channel(): sample(0), volume(0x40), note(0) {}
+		} channels[3];
+	};
+
+	struct Sample {
+		byte *data;
+		uint size;
+		Sample(): data(0), size(0) {}
+		~Sample() { delete[] data; }
+
+		void resize(uint s) {
+			if (s != size) {
+				delete[] data;
+				data = new byte[s];
+				size = s;
+			}
+		}
+		void clear() {
+			delete[] data;
+			data = 0;
+			size = 0;
+		}
+	} _samples[256];
+
+	Common::Array<Row> _rows;
+	uint _currRow;
+
+	void interrupt() override;
+};
+
+} // End of namespace Teen
+
+#endif // TEEN_MUSIC_H