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engines/lastexpress/sound/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 LASTEXPRESS_SOUND_H
+#define LASTEXPRESS_SOUND_H
+
+#include "lastexpress/shared.h"
+
+#include "common/str.h"
+
+#include "audio/mixer.h"
+#include "audio/audiostream.h"
+
+namespace Audio {
+class AudioStream;
+class Mixer;
+class QueuingAudioStream;
+class SoundHandle;
+} // namespace Audio
+
+namespace LastExpress {
+
+class CVCRFile;
+class LastExpressEngine;
+class SoundQueue;
+class Slot;
+
+class SoundManager {
+	friend class Slot;
+	friend class Logic;
+	friend class LogicManager;
+	friend class GraphicsManager;
+	friend class Menu;
+	friend class NISManager;
+	friend class LastExpressEngine;
+
+public:
+	SoundManager(LastExpressEngine *engine);
+	~SoundManager();
+
+	void mix(Slot *slot, int16 *outBuf);
+	void mixEngine();
+	void mixChannels(int numChannels, int16 *buffer);
+
+	int playSoundFile(const char *sndName, int typeFlags, int character, int delay);
+	void startAmbient();
+	void startSteam(int cityIndex);
+	void endAmbient();
+	void killAmbient();
+	void raiseAmbient(int level, int delay);
+	void levelAmbient(int delay);
+	Slot *findSlotWho(int32 character);
+	Slot *findSlotName(char *name);
+	void ambientAI(int id);
+	void soundThread();
+	void killAllSlots();
+	void killAllExcept(int tag1, int tag2, int tag3, int tag4, int tag5, int tag6, int tag7);
+	void saveSoundInfo(CVCRFile *file);
+	void destroyAllSound();
+	void loadSoundInfo(CVCRFile *file, bool skipSoundLoading);
+	void addSlot(Slot *entry);
+	void removeSlot(Slot *entry);
+	void NISFadeOut();
+	void NISFadeIn();
+	int getMasterVolume();
+	void setMasterVolume(int volume);
+
+	// DRIVER
+	void soundDriverInit();
+	void soundDriverCopyBuffersToDevice();
+	int soundDriverGetVolume();
+	void soundDriverSetVolume(int volume);
+	int32 getSoundDriverTicks();
+	void setSoundDriverTicks(int32 value);
+	int32 getSoundDriver30HzCounter();
+	int32 getSoundDriverFlags();
+	void addSoundDriverFlags(int32 flags);
+	void removeSoundDriverFlags(int32 flags);
+	bool isCopyingDataToSoundDriver();
+
+private:
+	LastExpressEngine *_engine;
+	Audio::Mixer *_mixer;
+	Audio::SoundHandle _channelHandle;
+	Audio::QueuingAudioStream *_stream;
+
+	int32 _sound30HzCounter = 0;
+	Slot *_soundCache = nullptr;
+	int32 _curSoundSlotTag = kSoundTagFirstNormal;
+	int32 _soundDriverFlags = kSoundDriverInitState;
+	Slot *_soundSlotChannels[6];
+	int32 _numActiveChannels = 0;
+	bool _scanAnySoundLoopingSection = false;
+	int32 _soundSlotAmbientFlag = 0;
+	int32 _soundAmbientFadeLevel = 0;
+	int32 _soundAmbientFadeTime = 0;
+	int32 _soundCacheCount = 0;
+	int32 _loopingSoundDuration = 0;
+	int32 _inSoundThreadFunction = 0;
+	bool _copyingDataToSoundDriver = false;
+	int16 _soundChannelsMixBuffers[6][1470];
+	int16 _soundMixBuffer[1470];
+	bool _soundEngineToggle = false;
+	int32 _soundDriverTicks = 0;
+	int32 _soundDriverVolume = 0;
+	uint32 _maxQueuedStreams = 0;
+
+	const char *_cities[17] = {
+		"EPERNAY",
+		"CHALONS",
+		"BARLEDUC",
+		"NANCY",
+		"LUNEVILL",
+		"AVRICOUR",
+		"DEUTSCHA",
+		"STRASBOU",
+		"BADENOOS",
+		"SALZBURG",
+		"ATTNANG",
+		"WELS",
+		"LINZ",
+		"VIENNA",
+		"POZSONY",
+		"GALANTA",
+		"POLICE"
+	};
+
+};
+
+} // End of namespace LastExpress
+
+#endif // LASTEXPRESS_SOUND_H