// --------------------------------------------------------------------------------
public void LoadGraph(out NavMeshGraph graph)
{
graph = new NavMeshGraph();
// map graph nodes to an id
var mappedNodes = new List <NodeToUID>();
for (int i = 0; i < m_nodeData.Count; ++i)
{
mappedNodes.Add(new NodeToUID()
{
m_node = new NavMeshNode(m_nodeData[i].m_position),
m_uid = m_nodeData[i].m_uid,
});
}
// generate graph
for (int i = 0; i < mappedNodes.Count; ++i)
{
NavMeshNode node = mappedNodes[i].m_node;
NavMeshNodeData nodeData = m_nodeData.Find(nd => nd.m_uid == mappedNodes[i].m_uid);
for (int j = 0; j < nodeData.m_connections.Count; ++j)
{
var connectedNode = mappedNodes.Find(mn => mn.m_uid == nodeData.m_connections[j]).m_node;
node.AddConnection(new NavMeshEdge(node, connectedNode));
}
graph.Add(node);
}
}
// --------------------------------------------------------------------------------
public void SaveGraph(NavMeshGraph graph)
{
if (graph == null)
{
Debug.LogError("[NavMeshData::SaveData] Failed, graph is null");
return;
}
var mappedNodes = new List <NodeToUID>();
int nextId = 0;
// map graph nodes to an id
var nodeEnumerator = graph.NodeEnumerator;
while (nodeEnumerator.MoveNext())
{
NodeToUID mappedNode = new NodeToUID()
{
m_node = nodeEnumerator.Current,
m_uid = nextId++,
};
mappedNodes.Add(mappedNode);
}
// save node position and connections
m_nodeData.Clear();
for (int i = 0; i < mappedNodes.Count; ++i)
{
var node = mappedNodes[i].m_node;
// position & uid
NavMeshNodeData nodeData = new NavMeshNodeData()
{
m_position = node.Data,
m_uid = mappedNodes[i].m_uid,
};
// connections
var edgeEnumerator = node.EdgeEnumerator;
while (edgeEnumerator.MoveNext())
{
var connectedNode = edgeEnumerator.Current.GetOther(node);
nodeData.m_connections.Add(mappedNodes.Find(n => n.m_node == connectedNode).m_uid);
}
m_nodeData.Add(nodeData);
}
}
