/// <summary>
/// Attempts to add a new column to a NavMeshChunk
/// </summary>
/// <param name="chunk">Chunk to add a new column to</param>
/// <returns>Whether or not the column was added</returns>
private bool AddNewColumnToChunk(NavMeshChunk chunk)
{
// Is this chunk's max column already at the end of the map
if (chunk.GetMaxColumn() == this.terrainComp.Size - 1)
{
return(false);
}
int column = chunk.GetMaxColumn() + 1;
int startingRow = chunk.GetMinRow();
int endRow = chunk.GetMaxRow();
List <NavMeshNode> nodesToAdd = new List <NavMeshNode>();
for (int z = startingRow; z <= endRow; ++z)
{
int vertexTopLeft = column + (z * this.terrainComp.Size);
NavMeshNode node;
nodeDictionary.TryGetValue(vertexTopLeft, out node);
// Node doesn't exist (was already chunked), so we fail at getting a new column
if (node == null)
{
return(false);
}
// If node is too steep then it cannot be part of this chunk
if (node.TooSteep)
{
return(false);
}
nodesToAdd.Add(node);
}
// If we made it this far, lets add the column into the chunk
foreach (NavMeshNode node in nodesToAdd)
{
chunk.AddNode(node, true);
chunkDictionary.Add(node.VertexTopLeft, chunk);
nodeDictionary.Remove(node.VertexTopLeft);
}
return(true);
}
