public static bool OnOpen(int instanceID, int line)
{
// Convert the instance ID to the TerraGraph object.
TerraGraph graph = EditorUtility.InstanceIDToObject(instanceID) as TerraGraph;
// Valid asset
if (graph != null)
{
graph.RebuildConnections();
TerraGraphEditor.Open(graph);
return(true);
}
// Invalid asset
return(false);
}
public static void ProcessGraphEditorEvents(Event e, TerraGraphEditor window)
{
switch (e.type)
{
case EventType.KeyDown:
if (e.keyCode == KeyCode.Delete)
{
foreach (TerraNode node in TerraGraphEditor.NodeSelection)
{
window.RemoveNode(node);
}
foreach (GraphComment comment in TerraGraphEditor.CommentSelection)
{
TerraGraphEditor.Graph.RemoveComment(comment);
}
TerraGraphEditor.NodeSelection.Clear();
TerraGraphEditor.CommentSelection.Clear();
TerraGraphEditor.Selecting = false;
e.Use();
}
if (e.keyCode == KeyCode.F)
{
if (TerraGraphEditor.NodeSelection.Count != 0 || TerraGraphEditor.CommentSelection.Count != 0)
{
Vector2 currentCenter = TerraGraphEditor.Window.position.size * 0.5f;
Vector2 targetCenter = TerraGraphEditor.NodeSelection[0].Rect.center;
Vector2 offset = currentCenter - targetCenter;
foreach (TerraNode node in TerraGraphEditor.Graph.Nodes)
{
node.SetPosition(node.Rect.position + offset);
}
foreach (GraphComment comment in TerraGraphEditor.Graph.Comments)
{
comment.SetPosition(comment.Rect.position + offset);
}
TerraGUI.ApplyGridOffset(offset);
e.Use();
}
}
break;
case EventType.MouseDown:
if (e.button == 0)
{
TerraGraphEditor.NodeSelection.Clear();
TerraGraphEditor.CommentSelection.Clear();
TerraGraphEditor.SelectionStart = e.mousePosition;
TerraGraphEditor.Selecting = true;
GUI.FocusControl(null);
e.Use();
}
if (e.button == 1)
{
TerraGraphEditor.NodeSelection.Clear();
TerraGraphEditor.CommentSelection.Clear();
GUI.FocusControl(null);
GenericMenu contextMenu = TerraUtility.CreateNodeContextMenu((t) => window.CreateNode(t, e.mousePosition));
contextMenu.AddSeparator("");
contextMenu.AddItem(new GUIContent("Add Comment"), false, () => TerraGraphEditor.Window.CreateComment(e.mousePosition));
contextMenu.ShowAsContext();
e.Use();
}
break;
case EventType.MouseUp:
if (e.button == 0)
{
TerraGraphEditor.HeldSocket = null;
TerraGraphEditor.ResizingComment = null;
TerraGraphEditor.Selecting = false;
e.Use();
}
break;
case EventType.MouseDrag:
if (e.button == 0)
{
if (!new Rect(new Vector2(0, 0), window.position.size).Contains(e.mousePosition))
{
TerraGraphEditor.NodeSelection.Clear();
TerraGraphEditor.CommentSelection.Clear();
TerraGraphEditor.Selecting = false;
TerraGraphEditor.ResizingComment = null;
TerraGraphEditor.HeldSocket = null;
GUI.FocusControl(null);
e.Use();
}
if (TerraGraphEditor.ResizingComment != null)
{
TerraGraphEditor.ResizingComment.SetSize(TerraGraphEditor.ResizingComment.Rect.size + e.delta);
e.Use();
}
else if (!TerraGraphEditor.Selecting)
{
foreach (TerraNode node in TerraGraphEditor.NodeSelection)
{
node.SetPosition(node.Rect.position + e.delta);
}
foreach (GraphComment comment in TerraGraphEditor.CommentSelection)
{
comment.SetPosition(comment.Rect.position + e.delta);
}
e.Use();
}
}
if (e.button == 2)
{
TerraGUI.ApplyGridOffset(e.delta);
foreach (TerraNode node in TerraGraphEditor.Graph.Nodes)
{
node.SetPosition(node.Rect.position + e.delta);
}
foreach (GraphComment comment in TerraGraphEditor.Graph.Comments)
{
comment.SetPosition(comment.Rect.position + e.delta);
}
e.Use();
}
break;
}
}