From 4cf5ab4d7b8d2a1905d28d1c482b9c1b592edc83 Mon Sep 17 00:00:00 2001
From: Mikko Mononen <memononen@gmail.com>
Date: Fri, 24 Sep 2010 06:15:01 +0000
Subject: [PATCH] Fix for issue 125.

---
 Detour/Source/DetourNavMesh.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Detour/Source/DetourNavMesh.cpp b/Detour/Source/DetourNavMesh.cpp
index ab805d3..f685071 100644
--- a/Detour/Source/DetourNavMesh.cpp
+++ b/Detour/Source/DetourNavMesh.cpp
@@ -869,6 +869,20 @@ dtTileRef dtNavMesh::getTileRefAt(int x, int y) const
 	return 0;
 }
 
+const dtMeshTile* dtNavMesh::getTileByRef(dtTileRef ref) const
+{
+	if (!ref)
+		return 0;
+	unsigned int tileIndex = decodePolyIdTile((dtPolyRef)ref);
+	unsigned int tileSalt = decodePolyIdSalt((dtPolyRef)ref);
+	if ((int)tileIndex >= m_maxTiles)
+		return 0;
+	const dtMeshTile* tile = &m_tiles[tileIndex];
+	if (tile->salt != tileSalt)
+		return 0;
+	return tile;
+}
+
 int dtNavMesh::getMaxTiles() const
 {
 	return m_maxTiles;