public NetworkInternal(string JsonPath = "res://stgdata/demo-r.json")
{
this.Nodes = new List <NodeInternal>();
this.Edges = new List <EdgeInternal>();
var jsonFile = new File(); // Use Godot API to allow res:// paths.
jsonFile.Open(JsonPath, File.ModeFlags.Read);
var jsonString = jsonFile.GetAsText();
jsonFile.Close();
using (JsonDocument document = JsonDocument.Parse(jsonString))
{
JsonElement root = document.RootElement;
JsonElement sources = root.GetProperty("sources");
JsonElement sinks = root.GetProperty("sinks");
JsonElement nodes = root.GetProperty("nodes");
JsonElement edges = root.GetProperty("edges");
var numSources = sources.GetArrayLength();
var numSinks = sinks.GetArrayLength();
var numNodes = nodes.GetArrayLength();
foreach (JsonElement source in sources.EnumerateArray())
{
var x = source.GetProperty("x").GetInt32();
var y = source.GetProperty("y").GetInt32();
var cost = source.GetProperty("cost").GetInt32();
var active = source.GetProperty("active").GetBoolean();
var state = active ? NodeState.NODE_ACTIVE : NodeState.NODE_INACTIVE;
this.Nodes.Add(new NodeInternal(cost, state, NodeType.NODETYPE_SOURCE, x, y));
}
foreach (JsonElement sink in sinks.EnumerateArray())
{
var x = sink.GetProperty("x").GetInt32();
var y = sink.GetProperty("y").GetInt32();
var cost = sink.GetProperty("cost").GetInt32();
var active = sink.GetProperty("active").GetBoolean();
var state = active ? NodeState.NODE_ACTIVE : NodeState.NODE_INACTIVE;
this.Nodes.Add(new NodeInternal(cost, state, NodeType.NODETYPE_SINK, x, y));
}
foreach (JsonElement node in nodes.EnumerateArray())
{
var x = node.GetProperty("x").GetInt32();
var y = node.GetProperty("y").GetInt32();
var cost = node.GetProperty("cost").GetInt32();
var active = node.GetProperty("active").GetBoolean();
var state = active ? NodeState.NODE_ACTIVE : NodeState.NODE_INACTIVE;
this.Nodes.Add(new NodeInternal(cost, state, NodeType.NODETYPE_NORMAL, x, y));
}
foreach (JsonElement edge in edges.EnumerateArray())
{
var capacity = edge.GetProperty("capacity").GetInt32();
var link = edge.GetProperty("link").EnumerateArray().ToArray();
var type1 = link[0].GetProperty("type").GetString();
var idx1 = link[0].GetProperty("index").GetInt32();
var offset1 = 0;
switch (type1)
{
case "source":
offset1 = 0;
break;
case "sink":
offset1 = numSources;
break;
case "node":
offset1 = numSources + numSinks;
break;
}
NodeInternal ref1 = this.Nodes[offset1 + idx1];
var type2 = link[1].GetProperty("type").GetString();
var idx2 = link[1].GetProperty("index").GetInt32();
var offset2 = 0;
switch (type2)
{
case "source":
offset2 = 0;
break;
case "sink":
offset2 = numSources;
break;
case "node":
offset2 = numSources + numSinks;
break;
}
NodeInternal ref2 = this.Nodes[offset2 + idx2];
var newEdge = new EdgeInternal(capacity, ref1, ref2);
this.Edges.Add(newEdge);
}
}
}
static Node()
{
Internal = NativeObjectProxyFactory.CreateInstance <NodeInternal>();
}
