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-rw-r--r--indra/llprimitive/llmodel.cpp21
1 files changed, 17 insertions, 4 deletions
diff --git a/indra/llprimitive/llmodel.cpp b/indra/llprimitive/llmodel.cpp
index ea0ea931af..d8e4d4a173 100644
--- a/indra/llprimitive/llmodel.cpp
+++ b/indra/llprimitive/llmodel.cpp
@@ -1679,6 +1679,19 @@ LLSD LLModel::writeModelToStream(std::ostream& ostr, LLSD& mdl, BOOL nowrite, BO
LLModel::weight_list& LLModel::getJointInfluences(const LLVector3& pos)
{
+ //1. If a vertex has been weighted then we'll find it via pos and return it's weight list
+ weight_map::iterator iterPos = mSkinWeights.begin();
+ weight_map::iterator iterEnd = mSkinWeights.end();
+
+ for ( ; iterPos!=iterEnd; ++iterPos )
+ {
+ if ( jointPositionalLookup( iterPos->first, pos ) )
+ {
+ return iterPos->second;
+ }
+ }
+
+ //2. Otherwise we'll use the older implementation
weight_map::iterator iter = mSkinWeights.find(pos);
if (iter != mSkinWeights.end())
@@ -1692,13 +1705,13 @@ LLModel::weight_list& LLModel::getJointInfluences(const LLVector3& pos)
}
else
{ //no exact match found, get closest point
- const F32 epsilon = 2.f/65536;
+ const F32 epsilon = 1e-5f;
weight_map::iterator iter_up = mSkinWeights.lower_bound(pos);
weight_map::iterator iter_down = ++iter_up;
weight_map::iterator best = iter_up;
- F32 min_dist = (iter->first - pos).magVecSquared();
+ F32 min_dist = (iter->first - pos).magVec();
bool done = false;
while (!done)
@@ -1709,7 +1722,7 @@ LLModel::weight_list& LLModel::getJointInfluences(const LLVector3& pos)
if (iter_up != mSkinWeights.end() && ++iter_up != mSkinWeights.end())
{
done = false;
- F32 dist = (iter_up->first - pos).magVecSquared();
+ F32 dist = (iter_up->first - pos).magVec();
if (dist < epsilon)
{
@@ -1727,7 +1740,7 @@ LLModel::weight_list& LLModel::getJointInfluences(const LLVector3& pos)
{
done = false;
- F32 dist = (iter_down->first - pos).magVecSquared();
+ F32 dist = (iter_down->first - pos).magVec();
if (dist < epsilon)
{