Moved ObjectPool to util/ and moved OctreeTables to root

meshers/dmc/voxel_mesher_dmc.cpp

@@ -1,8 +1,8 @@
 #include "voxel_mesher_dmc.h"
 #include "../../cube_tables.h"
+#include "../../octree_tables.h"
 #include "marching_cubes_tables.h"
 #include "mesh_builder.h"
-#include "octree_tables.h"
 #include <core/os/os.h>
 
 // Dual marching cubes

meshers/dmc/voxel_mesher_dmc.h

@@ -1,10 +1,10 @@
 #ifndef VOXEL_MESHER_DMC_H
 #define VOXEL_MESHER_DMC_H
 
+#include "../../util/object_pool.h"
 #include "../voxel_mesher.h"
 #include "hermite_value.h"
 #include "mesh_builder.h"
-#include "object_pool.h"
 #include <scene/resources/mesh.h>
 
 namespace dmc {

octree_tables.h

@@ -27,6 +27,7 @@ namespace OctreeTables {
 //   |/              |/              |/              |/
 //   1---------------8---------------0          X----o
 
+// The order is important for some algorithms (DMC)
 const int g_octant_position[8][3]{
 
 	{ 0, 0, 0 },