diff options
Diffstat (limited to 'indra/newview/llviewerpartsim.cpp')
| -rwxr-xr-x | indra/newview/llviewerpartsim.cpp | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/indra/newview/llviewerpartsim.cpp b/indra/newview/llviewerpartsim.cpp index 6bd9f66b9c..96cd43a8ab 100755 --- a/indra/newview/llviewerpartsim.cpp +++ b/indra/newview/llviewerpartsim.cpp @@ -80,12 +80,31 @@ LLViewerPart::LLViewerPart() : mImagep(NULL) { mPartSourcep = NULL; - + mParent = NULL; + mChild = NULL; ++LLViewerPartSim::sParticleCount2 ; } LLViewerPart::~LLViewerPart() { + if (mPartSourcep.notNull() && mPartSourcep->mLastPart == this) + { + mPartSourcep->mLastPart = NULL; + } + + //patch up holes in the ribbon + if (mParent) + { + llassert(mParent->mChild == this); + mParent->mChild = mChild; + } + + if (mChild) + { + llassert (mChild->mParent == this); + mChild->mParent = mParent; + } + mPartSourcep = NULL; --LLViewerPartSim::sParticleCount2 ; @@ -367,6 +386,9 @@ void LLViewerPartGroup::updateParticles(const F32 lastdt) part->mScale += frac*part->mEndScale; } + // Do glow interpolation + part->mGlow.mV[3] = (U8) llround(lerp(part->mStartGlow, part->mEndGlow, frac)*255.f); + // Set the last update time to now. part->mLastUpdateTime = cur_time; @@ -488,9 +510,13 @@ void LLViewerPartSim::destroyClass() //static BOOL LLViewerPartSim::shouldAddPart() { - if (sParticleCount > PART_THROTTLE_THRESHOLD*sMaxParticleCount) + if (sParticleCount >= MAX_PART_COUNT) { + return FALSE; + } + if (sParticleCount > PART_THROTTLE_THRESHOLD*sMaxParticleCount) + { F32 frac = (F32)sParticleCount/(F32)sMaxParticleCount; frac -= PART_THROTTLE_THRESHOLD; frac *= PART_THROTTLE_RESCALE; @@ -500,7 +526,10 @@ BOOL LLViewerPartSim::shouldAddPart() return FALSE; } } - if (sParticleCount >= MAX_PART_COUNT) + + // Check frame rate, and don't add more if the viewer is really slow + const F32 MIN_FRAME_RATE_FOR_NEW_PARTICLES = 4.f; + if (gFPSClamped < MIN_FRAME_RATE_FOR_NEW_PARTICLES) { return FALSE; } @@ -616,6 +645,9 @@ void LLViewerPartSim::updateSimulation() { static LLFrameTimer update_timer; + //reset VBO cursor + LLVOPartGroup::sVBSlotCursor = 0; + const F32 dt = llmin(update_timer.getElapsedTimeAndResetF32(), 0.1f); if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_PARTICLES))) |