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Fix issue with planar face alignment.

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This commit is contained in:
Shyotl
2014-08-30 18:56:27 -05:00
parent 5535ba6b47
commit 9c63243fe7
1 changed files with 10 additions and 14 deletions
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24
indra/newview/llface.cpp
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@@ -987,15 +987,15 @@ void LLFace::getPlanarProjectedParams(LLQuaternion* face_rot, LLVector3* face_po
{
const LLMatrix4a& vol_mat = getWorldMatrix();
const LLVolumeFace& vf = getViewerObject()->getVolume()->getVolumeFace(mTEOffset);
const LLVector4a& normal4a = vf.mNormals[0];
const LLVector4a& normal = vf.mNormals[0];
const LLVector4a& tangent = vf.mTangents[0];
LLVector4a binormal4a;
binormal4a.setCross3(normal4a, tangent);
binormal4a.mul(tangent.getF32ptr()[3]);
LLVector4a binormal;
binormal.setCross3(normal, tangent);
binormal.mul(tangent.getF32ptr()[3]);
LLVector2 projected_binormal;
planarProjection(projected_binormal, normal4a, *vf.mCenter, binormal4a);
planarProjection(projected_binormal, normal, *vf.mCenter, binormal);
projected_binormal -= LLVector2(0.5f, 0.5f); // this normally happens in xform()
*scale = projected_binormal.length();
// rotate binormal to match what planarProjection() thinks it is,
@@ -1004,19 +1004,15 @@ void LLFace::getPlanarProjectedParams(LLQuaternion* face_rot, LLVector3* face_po
F32 ang = acos(projected_binormal.mV[VY]);
ang = (projected_binormal.mV[VX] < 0.f) ? -ang : ang;
LLMatrix4a rot = gGL.genRot(ang, normal4a);
rot.rotate(binormal4a, binormal4a);
gGL.genRot(ang, normal).rotate(binormal, binormal);
LLVector4a x_axis;
x_axis.setCross3(binormal4a, normal4a);
x_axis.setCross3(binormal, normal);
LLQuaternion2 local_rot(LLQuaternion( LLVector3(x_axis.getF32ptr()), LLVector3(binormal4a.getF32ptr()), LLVector3(normal4a.getF32ptr()) ));
//VECTORIZE THIS
LLQuaternion local_rot(LLVector3(x_axis.getF32ptr()), LLVector3(binormal.getF32ptr()), LLVector3(normal.getF32ptr()));
*face_rot = local_rot * LLMatrix4(vol_mat.getF32ptr()).quaternion();
LLMatrix4 vol_mat2(vol_mat.getF32ptr());
local_rot.mul(LLQuaternion2(vol_mat2.quaternion()));
*face_rot = LLQuaternion(local_rot.getVector4a().getF32ptr());
face_pos->set(vol_mat.getRow<VW>().getF32ptr());
}