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Set the appropriate start offset for restarted sounds

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This commit is contained in:
Chris Robinson 2016-05-02 13:34:46 -07:00 committed by Christoph Oelckers
parent c3cef91a4f
commit e1c8890c5e
1 changed files with 9 additions and 4 deletions
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13
src/sound/oalsound.cpp
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@ -40,6 +40,8 @@
#include <dlfcn.h>
#endif
#include <chrono>
#include "except.h"
#include "doomstat.h"
#include "templates.h"
@ -1472,7 +1474,7 @@ FISoundChannel *OpenALSoundRenderer::StartSound3D(SoundHandle sfx, SoundListener
else
alSourcef(source, AL_PITCH, PITCH(pitch));
if(!reuse_chan)
if(!reuse_chan || reuse_chan->StartTime.AsOne == 0)
alSourcef(source, AL_SEC_OFFSET, 0.f);
else
{
@ -1480,8 +1482,11 @@ FISoundChannel *OpenALSoundRenderer::StartSound3D(SoundHandle sfx, SoundListener
alSourcef(source, AL_SEC_OFFSET, reuse_chan->StartTime.Lo/1000.f);
else
{
// FIXME: set offset based on the current time and the StartTime
alSourcef(source, AL_SAMPLE_OFFSET, 0.f);
float offset = std::chrono::duration_cast<std::chrono::duration<float>>(
std::chrono::steady_clock::now().time_since_epoch() -
std::chrono::steady_clock::time_point::duration(reuse_chan->StartTime.AsOne)
).count();
if(offset > 0.f) alSourcef(source, AL_SEC_OFFSET, offset);
}
}
if(getALError() != AL_NO_ERROR)
@ -1819,7 +1824,7 @@ void OpenALSoundRenderer::MarkStartTime(FISoundChannel *chan)
{
// FIXME: Get current time (preferably from the audio clock, but the system
// time will have to do)
chan->StartTime.AsOne = 0;
chan->StartTime.AsOne = std::chrono::steady_clock::now().time_since_epoch().count();
}
float OpenALSoundRenderer::GetAudibility(FISoundChannel *chan)