505 lines
9.6 KiB
C++
505 lines
9.6 KiB
C++
/* Copyright (C) 2012 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "SoundManager.h"
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#include "soundmanager/data/SoundData.h"
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#include "soundmanager/items/CSoundItem.h"
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#include "soundmanager/items/CBufferItem.h"
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#include "soundmanager/items/CStreamItem.h"
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#include "soundmanager/js/SoundPlayer.h"
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#include "soundmanager/js/AmbientSound.h"
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#include "soundmanager/js/MusicSound.h"
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#include "soundmanager/js/Sound.h"
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#include "ps/CLogger.h"
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#include "ps/CStr.h"
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#include "ps/Profiler2.h"
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CSoundManager* g_SoundManager = NULL;
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class CSoundManagerWorker
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{
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public:
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CSoundManagerWorker()
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{
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m_Items = new ItemsList;
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m_DeadItems = new ItemsList;
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m_Shutdown = false;
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m_Enabled = false;
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m_PauseUntilTime = 0;
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int ret = pthread_create(&m_WorkerThread, NULL, &RunThread, this);
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ENSURE(ret == 0);
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}
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~CSoundManagerWorker()
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{
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}
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/**
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* Called by main thread, when the online reporting is enabled/disabled.
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*/
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void SetEnabled(bool enabled)
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{
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CScopeLock lock(m_WorkerMutex);
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if (enabled != m_Enabled)
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{
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m_Enabled = enabled;
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}
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}
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/**
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* Called by main thread to request shutdown.
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* Returns true if we've shut down successfully.
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* Returns false if shutdown is taking too long (we might be blocked on a
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* sync network operation) - you mustn't destroy this object, just leak it
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* and terminate.
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*/
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bool Shutdown()
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{
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{
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CScopeLock lock(m_WorkerMutex);
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m_Shutdown = true;
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m_Enabled = false;
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ItemsList::iterator lstr = m_Items->begin();
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while (lstr != m_Items->end())
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{
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(*lstr)->Stop();
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delete *lstr;
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lstr++;
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}
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}
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pthread_join(m_WorkerThread, NULL);
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return true;
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}
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void addItem( ISoundItem* anItem )
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{
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CScopeLock lock(m_WorkerMutex);
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m_Items->push_back( anItem );
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}
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void CleanupItems()
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{
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CScopeLock lock(m_WorkerMutex);
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AL_CHECK
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ItemsList::iterator deadItems = m_DeadItems->begin();
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while (deadItems != m_DeadItems->end())
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{
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delete *deadItems;
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deadItems++;
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AL_CHECK
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}
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m_DeadItems->clear();
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}
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void DeleteItem(long itemNum)
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{
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CScopeLock lock(m_WorkerMutex);
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AL_CHECK
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ItemsList::iterator lstr = m_Items->begin();
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lstr += itemNum;
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delete *lstr;
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AL_CHECK
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m_Items->erase(lstr);
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}
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private:
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static void* RunThread(void* data)
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{
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debug_SetThreadName("CSoundManagerWorker");
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g_Profiler2.RegisterCurrentThread("soundmanager");
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static_cast<CSoundManagerWorker*>(data)->Run();
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return NULL;
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}
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void Run()
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{
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// Wait until the main thread wakes us up
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while ( true )
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{
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if (timer_Time() < m_PauseUntilTime)
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continue;
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// Handle shutdown requests as soon as possible
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if (GetShutdown())
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return;
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// If we're not enabled, ignore this wakeup
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if (!GetEnabled())
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continue;
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{
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CScopeLock lock(m_WorkerMutex);
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ItemsList::iterator lstr = m_Items->begin();
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ItemsList* nextItemList = new ItemsList;
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while (lstr != m_Items->end()) {
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if ((*lstr)->IdleTask())
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nextItemList->push_back(*lstr);
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else
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m_DeadItems->push_back(*lstr);
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lstr++;
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AL_CHECK
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}
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delete m_Items;
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m_Items = nextItemList;
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AL_CHECK
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}
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m_PauseUntilTime = timer_Time() + 0.1;
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}
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}
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bool GetEnabled()
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{
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CScopeLock lock(m_WorkerMutex);
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return m_Enabled;
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}
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bool GetShutdown()
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{
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CScopeLock lock(m_WorkerMutex);
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return m_Shutdown;
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}
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private:
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// Thread-related members:
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pthread_t m_WorkerThread;
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CMutex m_WorkerMutex;
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// Shared by main thread and worker thread:
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// These variables are all protected by m_WorkerMutex
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ItemsList* m_Items;
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ItemsList* m_DeadItems;
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bool m_Enabled;
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bool m_Shutdown;
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// Initialised in constructor by main thread; otherwise used only by worker thread:
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double m_PauseUntilTime;
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};
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void CSoundManager::ScriptingInit()
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{
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JAmbientSound::ScriptingInit();
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JMusicSound::ScriptingInit();
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JSound::ScriptingInit();
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JSoundPlayer::ScriptingInit();
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}
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#if CONFIG2_AUDIO
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void CSoundManager::CreateSoundManager()
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{
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g_SoundManager = new CSoundManager();
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}
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void CSoundManager::SetEnabled(bool doEnable)
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{
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if ( g_SoundManager && !doEnable )
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{
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SAFE_DELETE(g_SoundManager);
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}
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else if ( ! g_SoundManager && doEnable )
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{
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CSoundManager::CreateSoundManager();
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}
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}
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void CSoundManager::al_ReportError(ALenum err, const char* caller, int line)
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{
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LOGERROR(L"OpenAL error: %hs; called from %hs (line %d)\n", alGetString(err), caller, line);
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}
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void CSoundManager::al_check(const char* caller, int line)
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{
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ALenum err = alGetError();
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if (err != AL_NO_ERROR)
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al_ReportError(err, caller, line);
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}
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CSoundManager::CSoundManager()
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{
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m_CurrentEnvirons = NULL;
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m_CurrentTune = NULL;
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m_Gain = 1;
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m_MusicGain = 1;
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m_AmbientGain = 1;
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m_ActionGain = 1;
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m_BufferCount = 50;
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m_BufferSize = 65536;
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m_MusicEnabled = true;
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m_Enabled = AlcInit() == INFO::OK;
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InitListener();
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m_Worker = new CSoundManagerWorker();
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m_Worker->SetEnabled( true );
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}
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CSoundManager::~CSoundManager()
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{
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if (m_Worker->Shutdown())
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delete m_Worker;
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alcDestroyContext(m_Context);
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alcCloseDevice(m_Device);
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}
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Status CSoundManager::AlcInit()
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{
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Status ret = INFO::OK;
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m_Device = alcOpenDevice(NULL);
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if(m_Device)
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{
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ALCint attribs[] = {ALC_STEREO_SOURCES, 16, 0};
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m_Context = alcCreateContext(m_Device, &attribs[0]);
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if(m_Context)
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alcMakeContextCurrent(m_Context);
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}
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// check if init succeeded.
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// some OpenAL implementations don't indicate failure here correctly;
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// we need to check if the device and context pointers are actually valid.
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ALCenum err = alcGetError(m_Device);
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const char* dev_name = (const char*)alcGetString(m_Device, ALC_DEVICE_SPECIFIER);
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if(err == ALC_NO_ERROR && m_Device && m_Context)
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debug_printf(L"Sound: AlcInit success, using %hs\n", dev_name);
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else
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{
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LOGERROR(L"Sound: AlcInit failed, m_Device=%p m_Context=%p dev_name=%hs err=%d\n", m_Device, m_Context, dev_name, err);
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// FIXME Hack to get around exclusive access to the sound device
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#if OS_UNIX
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ret = INFO::OK;
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#else
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ret = ERR::FAIL;
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#endif // !OS_UNIX
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}
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return ret;
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}
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void CSoundManager::SetMemoryUsage(long bufferSize, int bufferCount)
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{
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m_BufferCount = bufferCount;
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m_BufferSize = bufferSize;
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}
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long CSoundManager::GetBufferCount()
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{
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return m_BufferCount;
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}
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long CSoundManager::GetBufferSize()
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{
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return m_BufferSize;
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}
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void CSoundManager::SetMasterGain(float gain)
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{
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m_Gain = gain;
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alListenerf( AL_GAIN, m_Gain);
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AL_CHECK
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}
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void CSoundManager::SetMusicGain(float gain)
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{
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m_MusicGain = gain;
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}
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void CSoundManager::SetAmbientGain(float gain)
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{
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m_AmbientGain = gain;
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}
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void CSoundManager::SetActionGain(float gain)
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{
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m_ActionGain = gain;
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}
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ISoundItem* CSoundManager::LoadItem(const VfsPath& itemPath)
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{
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AL_CHECK
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CSoundData* itemData = CSoundData::SoundDataFromFile(itemPath);
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ISoundItem* answer = NULL;
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AL_CHECK
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if (itemData != NULL)
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{
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if (itemData->IsOneShot())
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{
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if (itemData->GetBufferCount() == 1)
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answer = new CSoundItem(itemData);
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else
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answer = new CBufferItem(itemData);
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}
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else
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{
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answer = new CStreamItem(itemData);
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}
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if ( answer && m_Worker )
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m_Worker->addItem( answer );
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}
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return answer;
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}
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void CSoundManager::IdleTask()
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{
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AL_CHECK
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if (m_CurrentTune)
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m_CurrentTune->EnsurePlay();
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if (m_CurrentEnvirons)
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m_CurrentEnvirons->EnsurePlay();
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AL_CHECK
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if (m_Worker)
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m_Worker->CleanupItems();
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}
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void CSoundManager::DeleteItem(long itemNum)
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{
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if (m_Worker)
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m_Worker->DeleteItem(itemNum);
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}
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void CSoundManager::InitListener()
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{
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ALfloat listenerPos[]={0.0,0.0,0.0};
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ALfloat listenerVel[]={0.0,0.0,0.0};
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ALfloat listenerOri[]={0.0,0.0,-1.0, 0.0,1.0,0.0};
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alListenerfv(AL_POSITION,listenerPos);
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alListenerfv(AL_VELOCITY,listenerVel);
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alListenerfv(AL_ORIENTATION,listenerOri);
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alDistanceModel(AL_LINEAR_DISTANCE);
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}
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void CSoundManager::PlayActionItem(ISoundItem* anItem)
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{
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if (anItem)
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{
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if (m_Enabled && (m_ActionGain > 0))
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{
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anItem->SetGain( m_ActionGain );
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anItem->Play();
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AL_CHECK
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}
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}
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}
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void CSoundManager::PlayGroupItem(ISoundItem* anItem, ALfloat groupGain)
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{
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if (anItem)
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{
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if (m_Enabled && (m_ActionGain > 0)) {
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anItem->SetGain(m_ActionGain * groupGain);
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anItem->Play();
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AL_CHECK
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}
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}
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}
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void CSoundManager::SetMusicEnabled (bool isEnabled)
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{
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if (m_CurrentTune && !isEnabled)
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{
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m_CurrentTune->FadeAndDelete(1.00);
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m_CurrentTune = 0L;
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}
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m_MusicEnabled = isEnabled;
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}
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void CSoundManager::SetMusicItem(ISoundItem* anItem)
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{
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AL_CHECK
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if (m_CurrentTune)
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{
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m_CurrentTune->FadeAndDelete(2.00);
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m_CurrentTune = 0L;
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}
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IdleTask();
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if (anItem)
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{
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if (m_MusicEnabled && m_Enabled)
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{
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m_CurrentTune = anItem;
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m_CurrentTune->SetGain(0);
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m_CurrentTune->PlayLoop();
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m_CurrentTune->FadeToIn( m_MusicGain, 1.00);
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}
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else
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{
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anItem->StopAndDelete();
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}
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}
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AL_CHECK
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}
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void CSoundManager::SetAmbientItem(ISoundItem* anItem)
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{
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if (m_CurrentEnvirons)
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{
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m_CurrentEnvirons->FadeAndDelete(3.00);
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m_CurrentEnvirons = 0L;
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}
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IdleTask();
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if (anItem)
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{
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if (m_Enabled && (m_AmbientGain > 0))
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{
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m_CurrentEnvirons = anItem;
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m_CurrentEnvirons->SetGain(0);
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m_CurrentEnvirons->PlayLoop();
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m_CurrentEnvirons->FadeToIn( m_AmbientGain, 2.00);
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}
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}
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AL_CHECK
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}
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#endif // CONFIG2_AUDIO
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