diff options
Diffstat (limited to 'indra/llmath')
| -rwxr-xr-x | indra/llmath/llvolume.cpp | 18 |
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++; } |