virtual bool apply(LLViewerObject* object, S32 te)
{
LLFace* facep = object->mDrawable->getFace(te);
if (!facep)
{
return false;
}
if (facep == mCenterFace)
{
return true;
}
LLVector2 aligned_st_offset, aligned_st_scale;
F32 aligned_st_rot;
if ( facep->calcAlignedPlanarTE(mCenterFace, &aligned_st_offset, &aligned_st_scale, &aligned_st_rot) )
{
const LLTextureEntry* tep = facep->getTextureEntry();
LLVector2 st_offset, st_scale;
tep->getOffset(&st_offset.mV[VX], &st_offset.mV[VY]);
tep->getScale(&st_scale.mV[VX], &st_scale.mV[VY]);
F32 st_rot = tep->getRotation();
// needs a fuzzy comparison, because of fp errors
if (is_approx_equal_fraction(st_offset.mV[VX], aligned_st_offset.mV[VX], 16) &&
is_approx_equal_fraction(st_offset.mV[VY], aligned_st_offset.mV[VY], 16) &&
is_approx_equal_fraction(st_scale.mV[VX], aligned_st_scale.mV[VX], 16) &&
is_approx_equal_fraction(st_scale.mV[VY], aligned_st_scale.mV[VY], 16) &&
is_approx_equal_fraction(st_rot, aligned_st_rot, 14))
{
return true;
}
}
return false;
}
virtual bool apply(LLViewerObject* object, S32 te)
{
LLFace* facep = object->mDrawable->getFace(te);
if (!facep)
{
return true;
}
bool set_aligned = true;
if (facep == mCenterFace)
{
set_aligned = false;
}
if (set_aligned)
{
LLVector2 uv_offset, uv_scale;
F32 uv_rot;
set_aligned = facep->calcAlignedPlanarTE(mCenterFace, &uv_offset, &uv_scale, &uv_rot);
if (set_aligned)
{
object->setTEOffset(te, uv_offset.mV[VX], uv_offset.mV[VY]);
object->setTEScale(te, uv_scale.mV[VX], uv_scale.mV[VY]);
object->setTERotation(te, uv_rot);
}
}
if (!set_aligned)
{
LLPanelFaceSetTEFunctor setfunc(mPanel);
setfunc.apply(object, te);
}
return true;
}
