From 51f904e4a7d7e5d04be09991f859bd1b26f0d7ae Mon Sep 17 00:00:00 2001
From: Alexander Gavriliuk <alexandrgproductengine@lindenlab.com>
Date: Mon, 25 Sep 2023 12:29:51 +0200
Subject: SL-20244 On-screen animesh characters that start pelvis offset
 animations disappear when root goes off-screen

---
 indra/newview/llspatialpartition.cpp | 37 ++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'indra/newview/llspatialpartition.cpp')

diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index 17c834326c..ae97ce604a 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -847,6 +847,43 @@ void LLSpatialGroup::handleChildAddition(const OctreeNode* parent, OctreeNode* c
 	assert_states_valid(this);
 }
 
+//virtual
+void LLSpatialGroup::rebound()
+{
+    if (!isDirty())
+        return;
+
+    super::rebound();
+
+    if (mSpatialPartition->mDrawableType == LLPipeline::RENDER_TYPE_CONTROL_AV)
+    {
+        llassert(mSpatialPartition->mPartitionType == LLViewerRegion::PARTITION_CONTROL_AV);
+
+        LLSpatialBridge* bridge = getSpatialPartition()->asBridge();
+        if (bridge &&
+            bridge->mDrawable &&
+            bridge->mDrawable->getVObj() &&
+            bridge->mDrawable->getVObj()->isRoot())
+        {
+            LLControlAvatar* controlAvatar = bridge->mDrawable->getVObj()->getControlAvatar();
+            if (controlAvatar &&
+                controlAvatar->mDrawable &&
+                controlAvatar->mControlAVBridge)
+            {
+                llassert(controlAvatar->mControlAVBridge->mOctree);
+
+                LLSpatialGroup* root = (LLSpatialGroup*)controlAvatar->mControlAVBridge->mOctree->getListener(0);
+                if (this == root)
+                {
+                    const LLVector4a* addingExtents = controlAvatar->mDrawable->getSpatialExtents();
+                    const LLXformMatrix* currentTransform = bridge->mDrawable->getXform();
+                    expandExtents(addingExtents, *currentTransform);
+                }
+            }
+        }
+    }
+}
+
 void LLSpatialGroup::destroyGL(bool keep_occlusion) 
 {
 	setState(LLSpatialGroup::GEOM_DIRTY | LLSpatialGroup::IMAGE_DIRTY);
-- 
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