From ccd5ee0bd8544e8cea4f52ea31174e9c2d492397 Mon Sep 17 00:00:00 2001
From: "r.kuznetsov" <r.kuznetsov@corp.mail.ru>
Date: Fri, 10 Jun 2016 14:22:14 +0300
Subject: [PATCH] Fixed false displacement in overlay tree

---
 drape/overlay_tree.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drape/overlay_tree.cpp b/drape/overlay_tree.cpp
index c4e8b9fc05..3376218ad9 100644
--- a/drape/overlay_tree.cpp
+++ b/drape/overlay_tree.cpp
@@ -186,7 +186,9 @@ void OverlayTree::InsertHandle(ref_ptr<OverlayHandle> handle,
   // intersect with handle pixel rect ("Intersected elements").
   ForEachInRect(pixelRect, [&] (ref_ptr<OverlayHandle> const & h)
   {
-    bool const isParent = (h == parentOverlay);
+    bool const isParent = (h == parentOverlay) ||
+                          (h->GetFeatureID() == handle->GetFeatureID() &&
+                           h->GetOverlayRank() < handle->GetOverlayRank());
     if (!isParent && handle->IsIntersect(modelView, h))
       rivals.push_back(h);
   });
@@ -313,9 +315,10 @@ void OverlayTree::EndOverlayPlacing()
 
       InsertHandle(handle, parentOverlay);
     }
-
-    m_handles[rank].clear();
   }
+  
+  for (int rank = 0; rank < dp::OverlayRanksCount; rank++)
+    m_handles[rank].clear();
 
   for (auto const & handle : m_handlesCache)
   {
@@ -337,10 +340,10 @@ bool OverlayTree::CheckHandle(ref_ptr<OverlayHandle> handle, int currentRank,
     return true;
 
   int const seachingRank = currentRank - 1;
-  for (auto const & h : m_handlesCache)
+  for (auto const & h : m_handles[seachingRank])
   {
     if (h->GetFeatureID() == handle->GetFeatureID() &&
-        h->GetOverlayRank() == seachingRank)
+        m_handlesCache.find(h) != m_handlesCache.end())
     {
       parentOverlay = h;
       return true;