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Merge pull request #108 from cinaera/pr_cutoff

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Fix sound cutoff for looped sounds and make sound offset threshold depen...
This commit is contained in:
Dennis Felsing 2014-11-27 14:50:46 +01:00
parent f3ba2e86ca 80c06aef91
commit 7b4111749a
1 changed files with 11 additions and 5 deletions
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16
src/engine/client/sound.cpp
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@ -49,7 +49,7 @@ struct CVoice
int m_Age; // increases when reused
int m_Tick;
int m_Vol; // 0 - 255
int m_FalloffDistance; // 0 - inifintee (well int)
int m_FalloffDistance; // 0 - inifinitee (well int)
int m_Flags;
int m_X, m_Y;
} ;
@ -691,16 +691,22 @@ void CSound::SetVoiceTimeOffset(CVoiceHandle Voice, float offset)
if(m_aVoices[VoiceID].m_pSample)
{
int Tick = 0;
bool IsLooping = m_aVoices[VoiceID].m_Flags&ISound::FLAG_LOOP;
uint64_t TickOffset = m_aVoices[VoiceID].m_pSample->m_Rate * offset;
if(m_aVoices[VoiceID].m_pSample->m_NumFrames > 0 && m_aVoices[VoiceID].m_Flags&ISound::FLAG_POS)
if(m_aVoices[VoiceID].m_pSample->m_NumFrames > 0 && IsLooping)
Tick = TickOffset % m_aVoices[VoiceID].m_pSample->m_NumFrames;
else
Tick = clamp(TickOffset, (uint64_t)0, (uint64_t)m_aVoices[VoiceID].m_pSample->m_NumFrames);
// at least 200msec off
if(abs(m_aVoices[VoiceID].m_Tick-Tick) > 0.2*m_aVoices[VoiceID].m_pSample->m_Rate)
// at least 200msec off, else depend on buffer size
float Threshold = max(0.2f * m_aVoices[VoiceID].m_pSample->m_Rate, (float)m_MaxFrames);
if(abs(m_aVoices[VoiceID].m_Tick-Tick) > Threshold)
{
m_aVoices[VoiceID].m_Tick = Tick;
// take care of looping (modulo!)
if( !(IsLooping && (min(m_aVoices[VoiceID].m_Tick, Tick) + m_aVoices[VoiceID].m_pSample->m_NumFrames - max(m_aVoices[VoiceID].m_Tick, Tick)) <= Threshold))
{
m_aVoices[VoiceID].m_Tick = Tick;
}
}
}
}