Axiom.Components.Terrain.TerrainQuadTreeNode.AssignVertexData C# (CSharp) Method

        public void AssignVertexData(ushort treeDepthStart, ushort treeDepthEnd, ushort resolution, ushort sz)
        {
            Debug.Assert(treeDepthStart >= mDepth, "Should not be calling this");

            if (mDepth == treeDepthStart)
            {
                //we own this vertex data
                mNodeWithVertexData = this;
                mVertexDataRecord = new VertexDataRecord(resolution, sz, (ushort)(treeDepthEnd - treeDepthStart));

                CreateCpuVertexData();
                CreateCpuIndexData();

                //pass on to children
                if (!IsLeaf && treeDepthEnd > (mDepth + 1))// treeDepthEnd is exclusive, and this is children
                {
                    for (int i = 0; i < 4; i++)
                    {
                        mChildren[i].UseAncestorVertexData(this, treeDepthEnd, resolution);
                    }
                }
            }
            else
            {
                Debug.Assert(!IsLeaf, "No more levels below this!");

                for (int i = 0; i < 4; i++)
                {
                    mChildren[i].AssignVertexData(treeDepthStart, treeDepthEnd, resolution, sz);
                }
            }
        }
        /// <summary>