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Allow stepping through the time delta in multiple passes in snowballs

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--HG--
branch : multipass-stereo
This commit is contained in:
kaetemi 2013-06-16 23:51:33 +02:00
parent c7a9edd495
commit 4a7f58938d
3 changed files with 28 additions and 7 deletions
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31
code/snowballs2/client/src/game_time.cpp
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@ -42,6 +42,14 @@ static bool _SkipAnimationOnce;
static NLMISC::TTime _TimeMs;
static CValueSmootherTemplate<float> _FpsSmoother;
namespace
{
NLMISC::TLocalTime a_LocalTimeDelta;
NL3D::TGlobalAnimationTime a_AnimationTimeDelta;
} /* anonymous namespace */
static void cbFpsSmoothing(CConfigFile::CVar &var)
{
_FpsSmoother.init((uint)var.asInt());
@ -53,8 +61,10 @@ void CGameTime::init()
_TimeMs = NLMISC::CTime::getLocalTime();
LocalTime = ((TLocalTime)_TimeMs) / 1000.0;
LocalTimeDelta = 0.0;
a_LocalTimeDelta = 0.0;
AnimationTime = 0.0;
AnimationTimeDelta = 0.f;
a_AnimationTimeDelta = 0.0;
FramesPerSecond = 0.f;
FramesPerSecondSmooth = 0.f;
CConfiguration::setAndCallback("FpsSmoothing", cbFpsSmoothing);
@ -78,26 +88,24 @@ void CGameTime::updateTime()
// average of previous fps and this fps should be ok
FramesPerSecond *= 3;
LocalTimeDelta = 0.f;
AnimationTimeDelta = 0.f;
a_LocalTimeDelta = 0.f;
a_AnimationTimeDelta = 0.f;
}
else
{
FramesPerSecond = 1000.0f / (float)deltams;
TLocalTime localTime = ((TLocalTime)timems) / 1000.0;
LocalTimeDelta = localTime - LocalTime;
LocalTime = localTime;
a_LocalTimeDelta = localTime - LocalTime;
if (_SkipAnimationOnce)
{
AnimationTimeDelta = 0.f;
a_AnimationTimeDelta = 0.f;
_SkipAnimationOnce = false;
}
else
{
AnimationTimeDelta = (TAnimationTime)LocalTimeDelta;
AnimationTime += (TGlobalAnimationTime)LocalTimeDelta;
a_AnimationTimeDelta = (TGlobalAnimationTime)a_LocalTimeDelta;
}
}
@ -105,6 +113,15 @@ void CGameTime::updateTime()
FramesPerSecondSmooth = _FpsSmoother.getSmoothValue();
}
void CGameTime::advanceTime(double f)
{
LocalTimeDelta = a_LocalTimeDelta * f;
LocalTime += LocalTimeDelta;
TGlobalAnimationTime atd = a_AnimationTimeDelta * f;
AnimationTimeDelta = (NL3D::TAnimationTime)atd;
AnimationTime += atd;
}
void CGameTime::skipAnimationOnce()
{
_SkipAnimationOnce = true;

3
code/snowballs2/client/src/game_time.h
View file

@ -40,6 +40,9 @@ public:
static void updateTime();
/// Advance time to target time by factor f.
static void advanceTime(double f);
/// Used when loading, this will skip changing animation time on the next update
/// (updates aren't called during loading)
static void skipAnimationOnce();

1
code/snowballs2/client/src/snowballs_client.cpp
View file

@ -679,6 +679,7 @@ void loopIngame()
// 02. Update Time (deltas)
CGameTime::updateTime();
CGameTime::advanceTime(1.0);
// 03. Update Input (keyboard controls, etc)
Driver->EventServer.pump(); // Pump user input messages