forked from Mirrors/openclonk
619 lines
16 KiB
C++
619 lines
16 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 1998-2000, 2004, 2008 Matthes Bender
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* Copyright (c) 2003-2004 Peter Wortmann
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* Copyright (c) 2005-2006, 2008 Sven Eberhardt
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* Copyright (c) 2005-2006 Günther Brammer
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* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de
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*
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* Portions might be copyrighted by other authors who have contributed
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* to OpenClonk.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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* See isc_license.txt for full license and disclaimer.
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*
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* "Clonk" is a registered trademark of Matthes Bender.
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* See clonk_trademark_license.txt for full license.
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*/
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/* Handles the sound bank and plays effects using DSoundX */
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#include <C4Include.h>
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#include <C4SoundSystem.h>
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#ifndef BIG_C4INCLUDE
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#include <C4Random.h>
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#include <C4Object.h>
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#include <C4Game.h>
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#include <C4Config.h>
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#include <C4Application.h>
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#endif
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C4SoundEffect::C4SoundEffect():
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UsageTime (0),
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Instances (0),
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#if defined C4SOUND_USE_FMOD || defined HAVE_LIBSDL_MIXER
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pSample (NULL),
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#endif
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Static (FALSE),
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Next (NULL),
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FirstInst (NULL)
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{
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Name[0]=0;
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}
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C4SoundEffect::~C4SoundEffect()
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{
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Clear();
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}
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void C4SoundEffect::Clear()
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{
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while(FirstInst) RemoveInst(FirstInst);
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#ifdef C4SOUND_USE_FMOD
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if (pSample) FSOUND_Sample_Free(pSample);
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#endif
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#ifdef HAVE_LIBSDL_MIXER
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if (pSample) Mix_FreeChunk(pSample);
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#endif
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#if defined C4SOUND_USE_FMOD || defined HAVE_LIBSDL_MIXER
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pSample = NULL;
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#endif
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}
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BOOL C4SoundEffect::Load(const char *szFileName, C4Group &hGroup, BOOL fStatic)
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{
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// Sound check
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if (!Config.Sound.RXSound) return FALSE;
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// Locate sound in file
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StdBuf WaveBuffer;
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if (!hGroup.LoadEntry(szFileName, WaveBuffer)) return FALSE;
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// load it from mem
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if (!Load((BYTE*)WaveBuffer.getData(), WaveBuffer.getSize(), fStatic)) return FALSE;
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// Set name
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SCopy(szFileName,Name,C4MaxSoundName);
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return TRUE;
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}
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BOOL C4SoundEffect::Load(BYTE *pData, size_t iDataLen, BOOL fStatic, bool fRaw)
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{
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// Sound check
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if (!Config.Sound.RXSound) return FALSE;
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// load directly from memory
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#ifdef C4SOUND_USE_FMOD
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int32_t iOptions = FSOUND_NORMAL | FSOUND_2D | FSOUND_LOADMEMORY;
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if (fRaw) iOptions |= FSOUND_LOADRAW;
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if(!(pSample = FSOUND_Sample_Load(FSOUND_UNMANAGED, (const char *)pData,
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iOptions, 0, iDataLen)))
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{ Clear(); return FALSE; }
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// get length
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int32_t iSamples = FSOUND_Sample_GetLength(pSample);
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int iSampleRate = SampleRate;
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if(!iSamples || !FSOUND_Sample_GetDefaults(pSample, &iSampleRate, 0, 0, 0))
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return FALSE;
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SampleRate = iSampleRate;
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Length = iSamples * 10 / (SampleRate / 100);
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#endif
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#ifdef HAVE_LIBSDL_MIXER
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// Be paranoid about SDL_Mixer initialisation
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if(!Application.MusicSystem.MODInitialized)
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{ Clear(); return FALSE; }
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if (!(pSample = Mix_LoadWAV_RW(SDL_RWFromConstMem(pData, iDataLen), 1)))
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{ Clear(); return FALSE; }
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//FIXME: Is this actually correct?
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Length = 1000 * pSample->alen / (44100 * 2);
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SampleRate = 0;
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#endif
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*Name = '\0';
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// Set usage time
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UsageTime=Game.Time;
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Static=fStatic;
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return TRUE;
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}
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void C4SoundEffect::Execute()
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{
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// check for instances that have stopped and volume changes
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for(C4SoundInstance *pInst = FirstInst; pInst; )
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{
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C4SoundInstance *pNext = pInst->pNext;
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if(!pInst->Playing())
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RemoveInst(pInst);
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else
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pInst->Execute();
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pInst = pNext;
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}
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}
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C4SoundInstance *C4SoundEffect::New(bool fLoop, int32_t iVolume, C4Object *pObj, int32_t iCustomFalloffDistance)
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{
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// check: too many instances?
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if(!fLoop && Instances >= C4MaxSoundInstances) return NULL;
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// create & init sound instance
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C4SoundInstance *pInst = new C4SoundInstance();
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if(!pInst->Create(this, fLoop, iVolume, pObj, 0, iCustomFalloffDistance)) { delete pInst; return NULL; }
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// add to list
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AddInst(pInst);
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// return
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return pInst;
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}
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C4SoundInstance *C4SoundEffect::GetInstance(C4Object *pObj)
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{
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for(C4SoundInstance *pInst = FirstInst; pInst; pInst = pInst->pNext)
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if(pInst->getObj() == pObj)
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return pInst;
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return NULL;
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}
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void C4SoundEffect::ClearPointers(C4Object *pObj)
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{
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for(C4SoundInstance *pInst = FirstInst; pInst; pInst = pInst->pNext)
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pInst->ClearPointers(pObj);
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}
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int32_t C4SoundEffect::GetStartedInstanceCount(int32_t iX, int32_t iY, int32_t iRad)
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{
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int32_t cnt = 0;
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for(C4SoundInstance *pInst = FirstInst; pInst; pInst = pInst->pNext)
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if(pInst->isStarted() && pInst->getObj() && pInst->Inside(iX, iY, iRad))
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cnt++;
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return cnt;
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}
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int32_t C4SoundEffect::GetStartedInstanceCount()
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{
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int32_t cnt = 0;
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for(C4SoundInstance *pInst = FirstInst; pInst; pInst = pInst->pNext)
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if(pInst->isStarted() && pInst->Playing() && !pInst->getObj())
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cnt++;
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return cnt;
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}
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void C4SoundEffect::AddInst(C4SoundInstance *pInst)
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{
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pInst->pNext = FirstInst;
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FirstInst = pInst;
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Instances++;
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}
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void C4SoundEffect::RemoveInst(C4SoundInstance *pInst)
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{
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if(pInst == FirstInst)
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FirstInst = pInst->pNext;
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else
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{
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C4SoundInstance *pPos = FirstInst;
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while (pPos && pPos->pNext != pInst) pPos = pPos->pNext;
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if(pPos)
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pPos->pNext = pInst->pNext;
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}
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delete pInst;
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Instances--;
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}
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C4SoundInstance::C4SoundInstance():
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pEffect (NULL),
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pNext (NULL),
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iChannel (-1),
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iPan (0), iVolume (0)
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{
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}
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C4SoundInstance::~C4SoundInstance()
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{
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Clear();
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}
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void C4SoundInstance::Clear()
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{
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Stop();
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iChannel = -1;
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}
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BOOL C4SoundInstance::Create(C4SoundEffect *pnEffect, bool fLoop, int32_t inVolume, C4Object *pnObj, int32_t inNearInstanceMax, int32_t iFalloffDistance)
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{
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// Sound check
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if (!Config.Sound.RXSound || !pnEffect) return FALSE;
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// Already playing? Stop
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if(Playing()) { Stop(); return FALSE; }
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// Set effect
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pEffect = pnEffect;
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// Set
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iStarted = timeGetTime();
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iVolume = inVolume; iPan = 0; iChannel = -1;
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iNearInstanceMax = inNearInstanceMax;
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this->iFalloffDistance = iFalloffDistance;
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pObj = pnObj;
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fLooping = fLoop;
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// Start
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Execute();
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// Safe usage
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pEffect->UsageTime = Game.Time;
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return TRUE;
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}
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BOOL C4SoundInstance::CheckStart()
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{
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// already started?
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if(isStarted()) return TRUE;
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// don't bother if half the time is up and the sound is not looping
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if(timeGetTime() > iStarted + pEffect->Length / 2 && !fLooping)
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return FALSE;
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// do near-instances check
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int32_t iNearInstances = pObj ? pEffect->GetStartedInstanceCount(pObj->GetX(), pObj->GetY(), C4NearSoundRadius)
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: pEffect->GetStartedInstanceCount();
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// over maximum?
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if(iNearInstances > iNearInstanceMax) return FALSE;
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// Start
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return Start();
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}
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BOOL C4SoundInstance::Start()
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{
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#ifdef C4SOUND_USE_FMOD
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// Start
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if((iChannel = FSOUND_PlaySound(FSOUND_FREE, pEffect->pSample)) == -1)
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return FALSE;
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if(!FSOUND_SetLoopMode(iChannel, fLooping ? FSOUND_LOOP_NORMAL : FSOUND_LOOP_OFF))
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{ Stop(); return FALSE; }
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// set position
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if(timeGetTime() > iStarted + 20)
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{
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int32_t iTime = (timeGetTime() - iStarted) % pEffect->Length;
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FSOUND_SetCurrentPosition(iChannel, iTime / 10 * pEffect->SampleRate / 100);
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}
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#elif defined HAVE_LIBSDL_MIXER
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// Be paranoid about SDL_Mixer initialisation
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if(!Application.MusicSystem.MODInitialized) return FALSE;
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if((iChannel = Mix_PlayChannel(-1, pEffect->pSample, fLooping? -1 : 0)) == -1)
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return FALSE;
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#else
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return FALSE;
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#endif
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// Update volume
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Execute();
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return TRUE;
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}
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BOOL C4SoundInstance::Stop()
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{
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if(!pEffect) return FALSE;
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// Stop sound
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BOOL fRet = TRUE;
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#ifdef C4SOUND_USE_FMOD
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if(Playing())
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fRet = !! FSOUND_StopSound(iChannel);
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#endif
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#ifdef HAVE_LIBSDL_MIXER
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// iChannel == -1 will halt all channels. Is that right?
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if(Playing())
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Mix_HaltChannel(iChannel);
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#endif
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iChannel = -1;
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iStarted = 0;
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fLooping = false;
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return fRet;
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}
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BOOL C4SoundInstance::Playing()
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{
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if(!pEffect) return FALSE;
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#ifdef C4SOUND_USE_FMOD
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if(fLooping) return TRUE;
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return isStarted() ? FSOUND_GetCurrentSample(iChannel) == pEffect->pSample
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: timeGetTime() < iStarted + pEffect->Length;
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#endif
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#ifdef HAVE_LIBSDL_MIXER
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return Application.MusicSystem.MODInitialized && Mix_Playing(iChannel);
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#endif
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return false;
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}
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void C4SoundInstance::Execute()
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{
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// Object deleted?
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if(pObj && !pObj->Status) ClearPointers(pObj);
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// initial values
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int32_t iVol = iVolume * 256 * Config.Sound.SoundVolume / 100, iPan = C4SoundInstance::iPan;
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// bound to an object?
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if(pObj)
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{
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int iAudibility = pObj->Audible;
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// apply custom falloff distance
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if (iFalloffDistance)
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{
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iAudibility = BoundBy<int32_t>(100 + (iAudibility - 100) * C4AudibilityRadius / iFalloffDistance, 0,100);
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}
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iVol = iVol * iAudibility / 100;
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iPan += pObj->AudiblePan;
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}
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// sound off?
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if(!iVol)
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{
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// stop, if started
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if(isStarted())
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{
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#ifdef C4SOUND_USE_FMOD
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FSOUND_StopSound(iChannel);
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#endif
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#ifdef HAVE_LIBSDL_MIXER
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Mix_HaltChannel(iChannel);
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#endif
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iChannel = -1;
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}
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}
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else
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{
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// start
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if(!isStarted())
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if(!CheckStart())
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return;
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// set volume & panning
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#ifdef C4SOUND_USE_FMOD
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FSOUND_SetVolume(iChannel, BoundBy(iVol / 100, 0, 255));
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FSOUND_SetPan(iChannel, BoundBy(256*(iPan+100)/200,0,255));
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#endif
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#ifdef HAVE_LIBSDL_MIXER
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Mix_Volume(iChannel, (iVol * MIX_MAX_VOLUME) / (100 * 256));
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//Mix_SetPanning(iChannel, ((100 + iPan) * 256) / 200, ((100 - iPan) * 256) / 200);
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Mix_SetPanning(iChannel, BoundBy((100 - iPan) * 256 / 100, 0, 255), BoundBy((100 + iPan) * 256 / 100, 0, 255));
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#endif
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}
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}
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void C4SoundInstance::SetVolumeByPos(int32_t x, int32_t y)
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{
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iVolume = ::GraphicsSystem.GetAudibility(x, y, &iPan);
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}
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void C4SoundInstance::ClearPointers(C4Object *pDelete)
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{
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if(!Playing()) { Stop(); return; }
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if(pObj == pDelete)
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{
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// stop if looping (would most likely loop forever)
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if(fLooping)
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Stop();
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// otherwise: set volume by last position
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else
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SetVolumeByPos(pObj->GetX(), pObj->GetY());
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pObj = NULL;
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}
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}
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bool C4SoundInstance::Inside(int32_t iX, int32_t iY, int32_t iRad)
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{
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return pObj &&
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(pObj->GetX() - iX) * (pObj->GetX() - iX) + (pObj->GetY() - iY) * (pObj->GetY() - iY) <= iRad * iRad;
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}
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C4SoundSystem::C4SoundSystem():
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FirstSound (NULL)
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{
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}
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C4SoundSystem::~C4SoundSystem()
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{
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}
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BOOL C4SoundSystem::Init()
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{
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if(!Application.MusicSystem.MODInitialized &&
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!Application.MusicSystem.InitializeMOD())
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return false;
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// Might be reinitialisation
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ClearEffects();
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// Open sound file
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if (!SoundFile.IsOpen())
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if (!SoundFile.Open(Config.AtSystemDataPath(C4CFN_Sound))) return false;
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#ifdef HAVE_LIBSDL_MIXER
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Mix_AllocateChannels(C4MaxSoundInstances);
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#endif
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return true;
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}
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void C4SoundSystem::Clear()
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{
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ClearEffects();
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// Close sound file
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SoundFile.Close();
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}
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void C4SoundSystem::ClearEffects()
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{
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// Clear sound bank
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C4SoundEffect *csfx,*next;
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for (csfx=FirstSound; csfx; csfx=next)
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{
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next=csfx->Next;
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delete csfx;
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}
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FirstSound=NULL;
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}
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void C4SoundSystem::Execute()
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{
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// Sound effect statistics & unload check
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C4SoundEffect *csfx,*next=NULL,*prev=NULL;
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for (csfx=FirstSound; csfx; csfx=next)
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{
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next=csfx->Next;
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// Instance removal check
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csfx->Execute();
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// Unload check
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if (!csfx->Static && Game.Time-csfx->UsageTime > SoundUnloadTime && !csfx->FirstInst)
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{
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if (prev) prev->Next=next;
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else FirstSound=next;
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delete csfx;
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}
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else
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prev=csfx;
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}
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}
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int32_t C4SoundSystem::EffectInBank(const char *szSound)
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{
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int32_t iResult = 0;
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C4SoundEffect *pSfx;
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char szName[C4MaxSoundName+4+1];
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// Compose name (with extension)
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SCopy(szSound,szName,C4MaxSoundName);
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DefaultExtension(szName,"wav");
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// Count all matching sounds in bank
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for (pSfx=FirstSound; pSfx; pSfx=pSfx->Next)
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if (WildcardMatch(szName,pSfx->Name))
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iResult++;
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return iResult;
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}
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C4SoundEffect* C4SoundSystem::AddEffect(const char *szSoundName)
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{
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C4SoundEffect *nsfx;
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// Allocate new bank entry
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if (!( nsfx=new C4SoundEffect )) return NULL;
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// Load sound to entry
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C4GRP_DISABLE_REWINDWARN // dynamic load; must rewind here :(
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if (!nsfx->Load(szSoundName,SoundFile,FALSE))
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if (!nsfx->Load(szSoundName,Game.ScenarioFile,FALSE))
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{ C4GRP_ENABLE_REWINDWARN delete nsfx; return NULL; }
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C4GRP_ENABLE_REWINDWARN
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// Add sound to bank
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nsfx->Next=FirstSound;
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FirstSound=nsfx;
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return nsfx;
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}
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C4SoundEffect* C4SoundSystem::GetEffect(const char *szSndName)
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{
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C4SoundEffect *pSfx;
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char szName[C4MaxSoundName+4+1];
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int32_t iNumber;
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// Evaluate sound name
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SCopy(szSndName,szName,C4MaxSoundName);
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// Default extension
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DefaultExtension(szName,"wav");
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// Convert old style '*' wildcard to correct '?' wildcard
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// For sound effects, '*' is supposed to match single digits only
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SReplaceChar(szName, '*', '?');
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// Sound with a wildcard: determine number of available matches
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if (SCharCount('?',szName))
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{
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// Search global sound file
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if (!(iNumber=SoundFile.EntryCount(szName)))
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// Search scenario local files
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if (!(iNumber=Game.ScenarioFile.EntryCount(szName)))
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// Search bank loaded sounds
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if (!(iNumber=EffectInBank(szName)))
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// None found: failure
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return NULL;
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// Insert index to name
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iNumber=BoundBy(1+SafeRandom(iNumber),1,9);
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SReplaceChar(szName,'?','0'+iNumber);
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}
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// Find requested sound effect in bank
|
|
for (pSfx=FirstSound; pSfx; pSfx=pSfx->Next)
|
|
if (SEqualNoCase(szName,pSfx->Name))
|
|
break;
|
|
// Sound not in bank, try add
|
|
if (!pSfx)
|
|
if (!(pSfx = AddEffect(szName)))
|
|
return NULL;
|
|
return pSfx;
|
|
}
|
|
|
|
C4SoundInstance *C4SoundSystem::NewEffect(const char *szSndName, bool fLoop, int32_t iVolume, C4Object *pObj, int32_t iCustomFalloffDistance)
|
|
{
|
|
// Sound not active
|
|
if (!Config.Sound.RXSound) return FALSE;
|
|
// Get sound
|
|
C4SoundEffect *csfx;
|
|
if (!(csfx=GetEffect(szSndName))) return FALSE;
|
|
// Play
|
|
return csfx->New(fLoop, iVolume, pObj, iCustomFalloffDistance);
|
|
}
|
|
|
|
C4SoundInstance *C4SoundSystem::FindInstance(const char *szSndName, C4Object *pObj)
|
|
{
|
|
char szName[C4MaxSoundName+4+1];
|
|
// Evaluate sound name (see GetEffect)
|
|
SCopy(szSndName,szName,C4MaxSoundName);
|
|
DefaultExtension(szName,"wav");
|
|
SReplaceChar(szName, '*', '?');
|
|
// Find an effect with a matching instance
|
|
for(C4SoundEffect *csfx = FirstSound; csfx; csfx = csfx->Next)
|
|
if(WildcardMatch(szName, csfx->Name))
|
|
{
|
|
C4SoundInstance *pInst = csfx->GetInstance(pObj);
|
|
if(pInst) return pInst;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
// LoadEffects will load all sound effects of all known sound types (i.e. *.wav and *.ogg)
|
|
// To play an ogg effect, however, you will have to specify the extension in the sound
|
|
// command (e.g. Sound("Hello.ogg")), because all playback functions will default to wav only.
|
|
// LoadEffects is currently used for static loading from object definitions only.
|
|
|
|
int32_t C4SoundSystem::LoadEffects(C4Group &hGroup, BOOL fStatic)
|
|
{
|
|
int32_t iNum=0;
|
|
char szFilename[_MAX_FNAME+1];
|
|
char szFileType[_MAX_FNAME+1];
|
|
C4SoundEffect *nsfx;
|
|
// Process segmented list of file types
|
|
for (int32_t i = 0; SCopySegment(C4CFN_SoundFiles, i, szFileType, '|', _MAX_FNAME); i++)
|
|
{
|
|
// Search all sound files in group
|
|
hGroup.ResetSearch();
|
|
while (hGroup.FindNextEntry(szFileType, szFilename))
|
|
// Create and load effect
|
|
if (nsfx = new C4SoundEffect)
|
|
if (nsfx->Load(szFilename,hGroup,fStatic))
|
|
{
|
|
// Overload same name effects
|
|
RemoveEffect(szFilename);
|
|
// Add effect
|
|
nsfx->Next=FirstSound;
|
|
FirstSound=nsfx;
|
|
iNum++;
|
|
}
|
|
else
|
|
delete nsfx;
|
|
}
|
|
return iNum;
|
|
}
|
|
|
|
int32_t C4SoundSystem::RemoveEffect(const char *szFilename)
|
|
{
|
|
int32_t iResult=0;
|
|
C4SoundEffect *pNext,*pPrev=NULL;
|
|
for (C4SoundEffect *pSfx=FirstSound; pSfx; pSfx=pNext)
|
|
{
|
|
pNext=pSfx->Next;
|
|
if (WildcardMatch(szFilename,pSfx->Name))
|
|
{
|
|
delete pSfx;
|
|
if (pPrev) pPrev->Next=pNext;
|
|
else FirstSound=pNext;
|
|
iResult++;
|
|
}
|
|
else
|
|
pPrev=pSfx;
|
|
}
|
|
return iResult;
|
|
}
|
|
|
|
void C4SoundSystem::ClearPointers(C4Object *pObj)
|
|
{
|
|
for (C4SoundEffect *pEff=FirstSound; pEff; pEff=pEff->Next)
|
|
pEff->ClearPointers(pObj);
|
|
}
|