private void OnGUI()
{
m_event = Event.current;
m_mousePosition = m_event.mousePosition;
DrawNodes();
DrawMainMenu();
Repaint();
//Move view
if (m_event.button == 0 && m_event.type == EventType.MouseDrag)
{
if (GetClickedNode() == null)
{
m_offSetView += m_event.delta;
}
}
//Opening a creating node menu
if (m_event.button == 1 && m_event.type == EventType.MouseDown)
{
m_clickedNode = GetClickedNode();
if (m_clickedNode == null)
{
m_createNodesMenu.ShowAsContext();
}
else
{
m_nodeMenu.ShowAsContext();
}
}
//Connect a output/input
if (m_clickedOutput != null && m_clickedInput != null)
{
NodeUtility.ConnectNode(m_clickedInput, m_clickedOutput);
m_clickedOutput = null;
m_clickedInput = null;
}
//Remove de current m_clickedOutput
if (m_event.button == 0 && m_event.type == EventType.MouseDown)
{
if (GetClickedNode() == null && m_clickedOutput != null)
{
m_clickedOutput = null;
}
}
//Deconnect a input/output
if (m_clickedInput != null)
{
DeconnectInputOutput();
m_clickedInput = null;
}
//Display the current curve
if (m_clickedOutput != null)
{
Rect rect = m_clickedOutput.m_rect;
Vector3 startPosition = rect.position + Vector2.Scale(rect.size, new Vector2(1.0f, 0.5f)) + m_offSetView;
Vector3 endPosition = m_mousePosition;
Vector3 startTangente = startPosition + Vector3.right * 50;
Vector3 endTangente = endPosition + Vector3.left * 50;
Handles.DrawBezier(startPosition, endPosition, startTangente, endTangente, Color.black, null, 2);
}
}
/// <summary>
/// return null if path is null or empty, file doesnt exists, otherwise, true.
/// </summary>
static public Graph LoadFromFile(string path)
{
if (!string.IsNullOrEmpty(path) && File.Exists(path))
{
Graph newGraph = new Graph();
StreamReader sr = File.OpenText(path);
JObject allData = JObject.Parse(sr.ReadToEnd());
sr.Close();
List <JObject> jinputs = new List <JObject>();
foreach (var node in allData["nodes"])
{
if ((string)node["type"] == "IntNode")
{
int id = (int)node["id"];
Vector2 position = new Vector2((float)node["position"]["x"], (float)node["position"]["y"]);
string variableName = (string)node["variableName"];
int variable = (int)node["variable"];
IntNode intNode = new IntNode(id, position);
intNode.m_variable = variable;
intNode.m_variableName = variableName;
newGraph.m_nodes.Add(intNode);
}
else if ((string)node["type"] == "AdditionIntNode")
{
int id = (int)node["id"];
Vector2 position = new Vector2((float)node["position"]["x"], (float)node["position"]["y"]);
AdditionIntNode additionIntNode = new AdditionIntNode(id, position);
newGraph.m_nodes.Add(additionIntNode);
jinputs.Add(new JObject(new JProperty("idParent", id), new JProperty("inputs", node["inputs"])));
}
else if ((string)node["type"] == "SubstractionIntNode")
{
int id = (int)node["id"];
Vector2 position = new Vector2((float)node["position"]["x"], (float)node["position"]["y"]);
SubstractionIntNode additionIntNode = new SubstractionIntNode(id, position);
newGraph.m_nodes.Add(additionIntNode);
jinputs.Add(new JObject(new JProperty("idParent", id), new JProperty("inputs", node["inputs"])));
}
else if ((string)node["type"] == "MultiplicationIntNode")
{
int id = (int)node["id"];
Vector2 position = new Vector2((float)node["position"]["x"], (float)node["position"]["y"]);
MultiplicationIntNode additionIntNode = new MultiplicationIntNode(id, position);
newGraph.m_nodes.Add(additionIntNode);
jinputs.Add(new JObject(new JProperty("idParent", id), new JProperty("inputs", node["inputs"])));
}
else if ((string)node["type"] == "DivisionIntNode")
{
int id = (int)node["id"];
Vector2 position = new Vector2((float)node["position"]["x"], (float)node["position"]["y"]);
DivisionIntNode additionIntNode = new DivisionIntNode(id, position);
newGraph.m_nodes.Add(additionIntNode);
jinputs.Add(new JObject(new JProperty("idParent", id), new JProperty("inputs", node["inputs"])));
}
}
foreach (var jinput in jinputs)
{
int idParent = (int)jinput["idParent"];
foreach (var input in jinput["inputs"])
{
int indexInput = (int)input["index"];
int idNode = (int)input["output"]["idNode"];
int indexOutput = (int)input["output"]["index"];
NodeUtility.ConnectNode(newGraph.m_nodes[idParent].m_inputs[indexInput], newGraph.m_nodes[idNode].m_outputs[indexOutput]);
}
}
return(newGraph);
}
return(null);
}