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Diffstat (limited to 'indra/newview/llviewerobject.cpp')
| -rw-r--r-- | indra/newview/llviewerobject.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp index 94e1390c42..17e3d68c72 100644 --- a/indra/newview/llviewerobject.cpp +++ b/indra/newview/llviewerobject.cpp @@ -3643,6 +3643,42 @@ U32 LLViewerObject::recursiveGetTriangleCount(S32* vcount) const return total_tris; } +// This is using the stored surface area for each volume (which +// defaults to 1.0 for the case of everything except a sculpt) and +// then scaling it linearly based on the largest dimension in the +// prim's scale. Should revisit at some point. +F32 LLViewerObject::recursiveGetScaledSurfaceArea() const +{ + F32 area = 0.f; + const LLDrawable* drawable = mDrawable; + if (drawable) + { + const LLVOVolume* volume = drawable->getVOVolume(); + if (volume) + { + if (volume->getVolume()) + { + const LLVector3& scale = volume->getScale(); + area += volume->getVolume()->getSurfaceArea() * llmax(llmax(scale.mV[0], scale.mV[1]), scale.mV[2]); + } + LLViewerObject::const_child_list_t children = volume->getChildren(); + for (LLViewerObject::const_child_list_t::const_iterator child_iter = children.begin(); + child_iter != children.end(); + ++child_iter) + { + LLViewerObject* child_obj = *child_iter; + LLVOVolume *child = dynamic_cast<LLVOVolume*>( child_obj ); + if (child && child->getVolume()) + { + const LLVector3& scale = child->getScale(); + area += child->getVolume()->getSurfaceArea() * llmax(llmax(scale.mV[0], scale.mV[1]), scale.mV[2]); + } + } + } + } + return area; +} + void LLViewerObject::updateSpatialExtents(LLVector4a& newMin, LLVector4a &newMax) { LLVector4a center; |