diff options
Diffstat (limited to 'indra/newview/llvotree.cpp')
| -rw-r--r-- | indra/newview/llvotree.cpp | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/indra/newview/llvotree.cpp b/indra/newview/llvotree.cpp index 8e46ccd555..41099cb570 100644 --- a/indra/newview/llvotree.cpp +++ b/indra/newview/llvotree.cpp @@ -45,6 +45,8 @@ #include "llviewertexturelist.h" #include "llviewerobjectlist.h" #include "llviewerregion.h" +#include "llvolumemgr.h" +#include "llvovolume.h" #include "llworld.h" #include "noise.h" #include "pipeline.h" @@ -85,6 +87,9 @@ LLVOTree::LLVOTree(const LLUUID &id, const LLPCode pcode, LLViewerRegion *region mFrameCount = 0; mWind = mRegionp->mWind.getVelocity(getPositionRegion()); mTrunkLOD = 0; + + // if assert triggers, idleUpdate() needs to be revised and adjusted to new LOD levels + llassert(sMAX_NUM_TREE_LOD_LEVELS == LLVolumeLODGroup::NUM_LODS); } @@ -347,8 +352,11 @@ void LLVOTree::idleUpdate(LLAgent &agent, const F64 &time) return; } - S32 trunk_LOD = sMAX_NUM_TREE_LOD_LEVELS ; + S32 trunk_LOD = sMAX_NUM_TREE_LOD_LEVELS ; // disabled F32 app_angle = getAppAngle()*LLVOTree::sTreeFactor; + F32 distance = mDrawable->mDistanceWRTCamera * LLVOVolume::sDistanceFactor * (F_PI / 3.f); + F32 diameter = getScale().length(); // trees have very broken scale, but length rougtly outlines proper diameter + F32 sz = mBillboardScale * mBillboardRatio * diameter; for (S32 j = 0; j < sMAX_NUM_TREE_LOD_LEVELS; j++) { @@ -357,7 +365,14 @@ void LLVOTree::idleUpdate(LLAgent &agent, const F64 &time) trunk_LOD = j; break; } - } + } + + F32 tan_angle = (LLVOTree::sTreeFactor * 64 * sz) / distance; + S32 cur_detail = LLVolumeLODGroup::getDetailFromTan(ll_round(tan_angle, 0.01f)); // larger value, better quality + + // for trunk_LOD lower value means better quality, but both trunk_LOD and cur_detail have 4 levels + trunk_LOD = llmax(trunk_LOD, LLVolumeLODGroup::NUM_LODS - cur_detail - 1); + trunk_LOD = llmin(trunk_LOD, sMAX_NUM_TREE_LOD_LEVELS); if (mReferenceBuffer.isNull()) { @@ -408,8 +423,9 @@ void LLVOTree::setPixelAreaAndAngle(LLAgent &agent) LLVector3 lookAt = center - viewer_pos_agent; F32 dist = lookAt.normVec() ; F32 cos_angle_to_view_dir = lookAt * LLViewerCamera::getInstance()->getXAxis() ; - - F32 range = dist - getMinScale()/2; + F32 radius = getScale().length()*0.5f; + F32 range = dist - radius; + if (range < F_ALMOST_ZERO || isHUDAttachment()) // range == zero { mAppAngle = 180.f; |