From 95573810f3963f454585fdfa756c5232f9623f48 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=82=B3=E3=83=AC=E3=83=83=E3=83=88?=
 <59412435+collett8192@users.noreply.github.com>
Date: Thu, 12 Mar 2020 10:28:48 +0900
Subject: [PATCH] Fix nav_export memory leak. (#650)

* Fix nav_export memory leak.

* space
---
 src/tools/nav_export/nav/TiledNavmeshGenerator.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/tools/nav_export/nav/TiledNavmeshGenerator.cpp b/src/tools/nav_export/nav/TiledNavmeshGenerator.cpp
index ad16bc21..f5e6f00d 100644
--- a/src/tools/nav_export/nav/TiledNavmeshGenerator.cpp
+++ b/src/tools/nav_export/nav/TiledNavmeshGenerator.cpp
@@ -317,7 +317,13 @@ unsigned char* TiledNavmeshGenerator::buildTileMesh( const int tx, const int ty,
   const int ncid = rcGetChunksOverlappingRect( m_chunkyMesh, tbmin, tbmax, cid, 512 );
 
   if( !ncid )
+  {
+    rcFreeHeightField( m_solid );
+    m_solid = nullptr;
+    delete[] m_triareas;
+    m_triareas = nullptr;
     return nullptr;
+  }
 
   m_tileTriCount = 0;
 
@@ -452,6 +458,10 @@ unsigned char* TiledNavmeshGenerator::buildTileMesh( const int tx, const int ty,
 
   if( m_cset->nconts == 0 )
   {
+    rcFreeCompactHeightfield( m_chf );
+    rcFreeContourSet( m_cset );
+    m_chf = nullptr;
+    m_cset = nullptr;
     return nullptr;
   }