1 files changed, 31 insertions, 56 deletions

diff --git a/indra/llappearance/llavatarappearance.cpp b/indra/llappearance/llavatarappearance.cpp
index ff222c0e89..d73be024cf 100644
--- a/indra/llappearance/llavatarappearance.cpp
+++ b/indra/llappearance/llavatarappearance.cpp
@@ -494,70 +494,45 @@ void LLAvatarAppearance::computeBodySize()
     mCurrBodySizeState["mAnkleLeft scale"] = mAnkleLeftp->getScale();
     mCurrBodySizeState["mFootLeft pos"] = mFootLeftp->getPosition();
 
-    LLVector3 pelvis_scale = mPelvisp->getScale();
-
-    // some of the joints have not been cached
-    LLVector3 skull = mSkullp->getPosition();
-    //LLVector3 skull_scale = mSkullp->getScale();
-
-    LLVector3 neck = mNeckp->getPosition();
-    LLVector3 neck_scale = mNeckp->getScale();
-
-    LLVector3 chest = mChestp->getPosition();
-    LLVector3 chest_scale = mChestp->getScale();
-
-    // the rest of the joints have been cached
-    LLVector3 head = mHeadp->getPosition();
-    LLVector3 head_scale = mHeadp->getScale();
-
-    LLVector3 torso = mTorsop->getPosition();
-    LLVector3 torso_scale = mTorsop->getScale();
-
-    LLVector3 hip = mHipLeftp->getPosition();
-    LLVector3 hip_scale = mHipLeftp->getScale();
-
-    LLVector3 knee = mKneeLeftp->getPosition();
-    LLVector3 knee_scale = mKneeLeftp->getScale();
-
-    LLVector3 ankle = mAnkleLeftp->getPosition();
-    LLVector3 ankle_scale = mAnkleLeftp->getScale();
-
-    LLVector3 foot  = mFootLeftp->getPosition();
-
+    F32 old_height = mBodySize.mV[VZ];
     F32 old_offset = mAvatarOffset.mV[VZ];
 
-    mAvatarOffset.mV[VZ] = getVisualParamWeight(AVATAR_HOVER);
-
-    mPelvisToFoot = hip.mV[VZ] * pelvis_scale.mV[VZ] -
-                    knee.mV[VZ] * hip_scale.mV[VZ] -
-                    ankle.mV[VZ] * knee_scale.mV[VZ] -
-                    foot.mV[VZ] * ankle_scale.mV[VZ];
+    // TODO: Measure the real depth and width
+    mPelvisToFoot = computePelvisToFoot();
+    F32 new_height = computeBodyHeight();
+    mBodySize.set(DEFAULT_AGENT_DEPTH, DEFAULT_AGENT_WIDTH, new_height);
+    F32 new_offset = getVisualParamWeight(AVATAR_HOVER);
+    mAvatarOffset.set(0, 0, new_offset);
 
-    LLVector3 new_body_size;
-    new_body_size.mV[VZ] = mPelvisToFoot +
-                       // the sqrt(2) correction below is an approximate
-                       // correction to get to the top of the head
-                       F_SQRT2 * (skull.mV[VZ] * head_scale.mV[VZ]) +
-                       head.mV[VZ] * neck_scale.mV[VZ] +
-                       neck.mV[VZ] * chest_scale.mV[VZ] +
-                       chest.mV[VZ] * torso_scale.mV[VZ] +
-                       torso.mV[VZ] * pelvis_scale.mV[VZ];
-
-    // TODO -- measure the real depth and width
-    new_body_size.mV[VX] = DEFAULT_AGENT_DEPTH;
-    new_body_size.mV[VY] = DEFAULT_AGENT_WIDTH;
-
-    mAvatarOffset.mV[VX] = 0.0f;
-    mAvatarOffset.mV[VY] = 0.0f;
-
-    if (new_body_size != mBodySize || old_offset != mAvatarOffset.mV[VZ])
+    if (mBodySize.mV[VZ] != old_height || new_offset != old_offset)
     {
-        mBodySize = new_body_size;
-
         compareJointStateMaps(mLastBodySizeState, mCurrBodySizeState);
     }
 }
 
+F32 LLAvatarAppearance::computeBodyHeight()
+{
+    F32 result = mPelvisToFoot +
+        // all these relative positions usually are positive
+        mPelvisp->getScale().mV[VZ] * mTorsop->getPosition().mV[VZ] +
+        mTorsop->getScale().mV[VZ] * mChestp->getPosition().mV[VZ] +
+        mChestp->getScale().mV[VZ] * mNeckp->getPosition().mV[VZ] +
+        mNeckp->getScale().mV[VZ] * mHeadp->getPosition().mV[VZ] +
+        mHeadp->getScale().mV[VZ] * mSkullp->getPosition().mV[VZ] * 2;
+    return result;
+}
+
+F32 LLAvatarAppearance::computePelvisToFoot()
+{
+    F32 result =
+        // all these relative positions usually are negative
+        mPelvisp->getScale().mV[VZ] * mHipLeftp->getPosition().mV[VZ] +
+        mHipLeftp->getScale().mV[VZ] * mKneeLeftp->getPosition().mV[VZ] +
+        mKneeLeftp->getScale().mV[VZ] * mAnkleLeftp->getPosition().mV[VZ] +
+        mAnkleLeftp->getScale().mV[VZ] * mFootLeftp->getPosition().mV[VZ] / 2;
+    return -result;
+}
+
 //-----------------------------------------------------------------------------
 // parseSkeletonFile()
 //-----------------------------------------------------------------------------