diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000..7dbed8f3e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,18 @@
+
+build*/
+.directory
+.mailmap
+*.orig
+*.rej
+*~
+.hg/
+*.kdev*
+.DS_Store
+CMakeLists.txt.user
+*.bak
+*.patch
+*.diff
+*.REMOTE.*
+*.BACKUP.*
+*.BASE.*
+*.LOCAL.*
diff --git a/dep/recastnavigation/Detour/DetourNavMeshBuilder.h b/dep/recastnavigation/Detour/DetourNavMeshBuilder.h
index 8d8ef2e65..aa802d71c 100644
--- a/dep/recastnavigation/Detour/DetourNavMeshBuilder.h
+++ b/dep/recastnavigation/Detour/DetourNavMeshBuilder.h
@@ -60,6 +60,8 @@ struct dtNavMeshCreateParams
 	float cs;								// Cell size (xz) (wu).
 	float ch;								// Cell height (y) (wu).
 	int tileSize;							// Tile size (width & height) (vx).
+    int tileLayer;
+    bool buildBvTree;   
 };
 
 // Build navmesh data from given input data.