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engines/toltecs/sound.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 TOLTECS_SOUND_H
+#define TOLTECS_SOUND_H
+
+#include "audio/mixer.h"	// for Audio::SoundHandle
+
+#include "toltecs/toltecs.h"
+
+namespace Toltecs {
+
+// 0x1219
+
+enum SoundChannelType {
+	kChannelTypeEmpty		= 0,
+	kChannelTypeBackground	= -1,
+	kChannelTypeSfx			= -2,
+	kChannelTypeSpeech		= -3
+};
+
+struct SoundChannel {
+	int16 resIndex;
+	int16 type;
+	int16 volume;
+	int16 panning;
+	Audio::SoundHandle handle;
+};
+
+const int kMaxChannels = 4;
+
+class Sound {
+public:
+	Sound(ToltecsEngine *vm);
+	~Sound();
+
+	void playSpeech(int16 resIndex);
+	void playSound(int16 resIndex, int16 type, int16 volume);
+	void playSoundAtPos(int16 resIndex, int16 x, int16 y);
+	void updateSpeech();
+	void stopSpeech();
+	void stopAll();
+
+	void saveState(Common::WriteStream *out);
+	void loadState(Common::ReadStream *in, int version);
+
+protected:
+	ToltecsEngine *_vm;
+
+	SoundChannel channels[kMaxChannels];
+
+	void clearChannel(int channel);
+	void internalPlaySound(int16 resIndex, int16 type, int16 volume, int16 panning);
+	Audio::Mixer::SoundType getScummVMSoundType(SoundChannelType type) const;
+};
+
+
+} // End of namespace Toltecs
+
+#endif /* TOLTECS_SOUND_H */