106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
/* ResidualVM - A 3D game interpreter
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*
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* ResidualVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef GRIM_MSS_H
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#define GRIM_MSS_H
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#include "common/str.h"
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#include "common/stack.h"
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#include "common/mutex.h"
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namespace Grim {
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class SoundTrack;
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struct MusicEntry {
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int _x;
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int _y;
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int _sync;
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int _trim;
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int _id;
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Common::String _type;
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Common::String _name;
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Common::String _filename;
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};
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// Currently this class only implements the exact functions called in iMuse
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// from Actor, to allow for splitting that into EMI-sound and iMuse without
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// changing iMuse.
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class EMISound {
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struct StackEntry {
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int _state;
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SoundTrack *_track;
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};
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SoundTrack **_channels;
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int32 _musicChannel;
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MusicEntry *_musicTable;
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Common::String _musicPrefix;
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Common::Stack<StackEntry> _stateStack;
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Common::Mutex _mutex;
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static void timerHandler(void *refConf);
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void removeItem(SoundTrack *item);
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int32 getFreeChannel();
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int32 getChannelByName(const Common::String &name);
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void freeChannel(int32 channel);
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void initMusicTable();
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public:
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EMISound(int fps);
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~EMISound();
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bool startVoice(const char *soundName, int volume = 127, int pan = 64);
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bool getSoundStatus(const char *soundName);
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void stopSound(const char *soundName);
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int32 getPosIn16msTicks(const char *soundName);
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void setVolume(const char *soundName, int volume);
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void setPan(const char *soundName, int pan); /* pan: 0 .. 127 */
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void setMusicState(int stateId);
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void selectMusicSet(int setId);
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bool stateHasLooped(int stateId);
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void restoreState(SaveGame *savedState);
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void saveState(SaveGame *savedState);
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void pushStateToStack();
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void popStateFromStack();
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void flushStack();
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void callback();
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void updateTrack(SoundTrack *track);
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uint32 getMsPos(int stateId);
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private:
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int _curMusicState;
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int _callbackFps;
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void freeAllChannels();
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bool initTrack(const Common::String &filename, const Common::String &soundName, SoundTrack *track, const Audio::Timestamp *start = nullptr);
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SoundTrack *createEmptyMusicTrack() const;
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};
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extern EMISound *g_emiSound;
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}
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#endif
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