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-rwxr-xr-xindra/llmath/llvolume.cpp18
1 files changed, 15 insertions, 3 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index edf5a1b75c..8608e45a91 100755
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -2536,6 +2536,8 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size)
U32 cur_influence = 0;
LLVector4 wght(0,0,0,0);
+ U32 joints[4] = {0,0,0,0};
+ LLVector4 joints_with_weights(0,0,0,0);
while (joint != END_INFLUENCES && idx < weights.size())
{
@@ -2543,7 +2545,9 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size)
influence |= ((U16) weights[idx++] << 8);
F32 w = llclamp((F32) influence / 65535.f, 0.f, 0.99999f);
- wght.mV[cur_influence++] = (F32) joint + w;
+ wght.mV[cur_influence] = w;
+ joints[cur_influence] = joint;
+ cur_influence++;
if (cur_influence >= 4)
{
@@ -2554,8 +2558,16 @@ bool LLVolume::unpackVolumeFaces(std::istream& is, S32 size)
joint = weights[idx++];
}
}
-
- face.mWeights[cur_vertex].loadua(wght.mV);
+ F32 wsum = wght.mV[VX] + wght.mV[VY] + wght.mV[VZ] + wght.mV[VW];
+ if (wsum <= 0.f)
+ {
+ wght = LLVector4(0.99999f,0.f,0.f,0.f);
+ }
+ for (U32 k=0; k<4; k++)
+ {
+ joints_with_weights[k] = (F32) joints[k] + wght[k];
+ }
+ face.mWeights[cur_vertex].loadua(joints_with_weights.mV);
cur_vertex++;
}