//---------------------------------------------------------------------------------------------------------------
public EditorConnection(EditorNode a, EditorNode b, connectDir dir=connectDir.both, bool force=false)
{
this.nodeA = a;
this.nodeB = b;
this.dir = dir;
this.forceConnection = force;
}
void ToggleSupressConnection(EditorNode a, EditorNode b)
{
EditorConnection c = edges.Find(x=> x.containsNodes(a, b));
if(c != null)
{
c.supressConnection = !c.supressConnection;
}
}
void SetNodeOnHover(EditorNode node)
{
if(node != nodeOnHover)
{
nodeOnHover = node;
}
}
void onMouseUp(Event e)
{
if(e.button == 0)
{
if(e.control && nodeOnHover != null)
{
if(nodeOnHandle != null)
{
CreateConnection(nodeOnHover, nodeOnHandle, connectDir.both, true);
}
}
else if(e.shift)
{
EditorNode toDelete = nodeOnHover;
SetNodeOnHover(null);
stateChanger.Add(()=> {
if(toDelete != null)
{
DeleteNodeConnections(toDelete.ID);
DeleteNode(toDelete);
}
});
}
else if(nodeOnHandle != null)
{
stateChanger.Add(()=> {
AutoConnect(nodeOnHandle);
});
}
}
connectMode = false;
nodeOnHandle = null;
}
void onMouseDown(Event e)
{
if(e.button == 0)
{
if(e.shift)
{
if(connectionOnHover != null)
{
connectionOnHover.NextMode();
isDirty = true;
}
}
else if(e.control)
{
connectMode = true;
}
else if(nodeOnHover == null)
{
connectionOnHover = null;
stateChanger.Add(()=> {
nodeOnHover = CreateNode(currGroundP);
});
e.Use();
}
}
if(nodeOnHover != null)
{
nodeOnHandle = nodeOnHover;
}
}
void DeleteNode(EditorNode node)
{
if(node != null)
{
node.DestroyObj();
nodes.Remove(node);
isDirty = true;
}
}
void DeleteConnection(EditorNode a, EditorNode b)
{
EditorConnection c = edges.Find(x=> x.containsNodes(a, b));
if(c != null)
{
edges.Remove(c);
isDirty = true;
}
}
EditorNode CreateNode(Vector3 p, bool autoconnect=true)
{
if(p != NULLPOS)
{
EditorNode node = new EditorNode(getFreeNodeID(), p);
nodes.Add(node);
if(autoconnect)
AutoConnect(node);
isDirty = true;
return node;
}
return null;
}
EditorConnection CreateConnection(EditorNode a, EditorNode b, graphConnection gc)
{
EditorConnection c = CreateConnection(a, b, gc.dir, gc.forced);
if(c != null)
c.supressConnection = gc.supressed;
return c;
}
EditorConnection CreateConnection(EditorNode a, EditorNode b, connectDir dir, bool forced)
{
if(a != b && a != null && b != null)
{
if(areConnected(a, b))
{
EditorConnection c = edges.Find(x=> x.containsNodes(a, b));
if(!c.forceConnection)
{
c.supressConnection = c.magnitude <= data.autoConnectionDist;
}
else
c.supressConnection = !c.supressConnection;
c.forceConnection = true;
isDirty = true;
return c;
}
else
{
EditorConnection c = new EditorConnection(a, b, dir, forced);
c.supressConnection = false;
edges.Add(c);
isDirty = true;
return c;
}
}
return null;
}
//---------------------------------------------------------------------------------------------------------------
/// <summary>
/// autoconnect a newly placed node to all nodes around it
/// </summary>
void AutoConnect(EditorNode node)
{
if(node != null)
{
foreach(EditorNode n in nodes)
{
if(n != node && n != null && !areConnected(n, node))
{
float mag = Vector3.Distance(n.position, node.position);
if(mag <= data.autoConnectionDist)
{
CreateConnection(n, node, connectDir.both, false);
}
}
}
}
}
bool areConnected(EditorNode nodeA, EditorNode nodeB)
{
return edges.Exists( x=> x.containsNodes(nodeA, nodeB) );
}
public bool containsNode(EditorNode node)
{
return node != null && (nodeA == node || nodeB == node);
}
public bool containsNodes(EditorNode a, EditorNode b)
{
return a != null && b != null && ((nodeA == a && nodeB == b) || (nodeA == b && nodeB == a));
}