private static void DrawPortHandle(Rect rect, Type type)
{
Color col = GUI.color;
GUI.color = new Color32(90, 97, 105, 255);
GUI.DrawTexture(rect, NodeEditorResources.dotOuter);
GUI.color = NodeEditorPreferences.GetTypeColor(type);
GUI.DrawTexture(rect, NodeEditorResources.dot);
GUI.color = col;
}
private static void DrawPortHandle(Rect rect, Type type, Color backgroundColor)
{
Color col = GUI.color;
GUI.color = backgroundColor;
GUI.DrawTexture(rect, NodeEditorResources.dotOuter);
GUI.color = NodeEditorPreferences.GetTypeColor(type);
GUI.DrawTexture(rect, NodeEditorResources.dot);
GUI.color = col;
}
/// <summary> Draw a connection as we are dragging it </summary>
public void DrawDraggedConnection() {
if (IsDraggingPort) {
if (!_portConnectionPoints.ContainsKey(draggedOutput)) return;
Vector2 from = _portConnectionPoints[draggedOutput].center;
Vector2 to = draggedOutputTarget != null ? portConnectionPoints[draggedOutputTarget].center : WindowToGridPosition(Event.current.mousePosition);
Color col = NodeEditorPreferences.GetTypeColor(draggedOutput.ValueType);
col.a = 0.6f;
DrawConnection(from, to, col);
}
}
/// <summary> Draw a connection as we are dragging it </summary>
public void DrawDraggedConnection()
{
if (IsDraggingPort)
{
Color col = NodeEditorPreferences.GetTypeColor(draggedPort.ValueType);
col.a = draggedPortTarget != null ? 1.0f : 0.6f;
Rect fromRect;
if (!_portConnectionPoints.TryGetValue(draggedPort, out fromRect))
{
return;
}
List <Vector2> gridPoints = new List <Vector2>();
gridPoints.Add(fromRect.center);
for (int i = 0; i < draggedOutputReroutes.Count; i++)
{
gridPoints.Add(draggedOutputReroutes[i]);
}
if (draggedPortTarget != null)
{
gridPoints.Add(portConnectionPoints[draggedPortTarget].center);
}
else
{
gridPoints.Add(WindowToGridPosition(Event.current.mousePosition));
}
if (draggedPort.IsInput)
{
gridPoints.Reverse();
}
DrawNoodle(col, gridPoints);
Color bgcol = Color.black;
Color frcol = col;
bgcol.a = 0.6f;
frcol.a = 0.6f;
// Loop through reroute points again and draw the points
for (int i = 0; i < draggedOutputReroutes.Count; i++)
{
// Draw reroute point at position
Rect rect = new Rect(draggedOutputReroutes[i], new Vector2(16, 16));
rect.position = new Vector2(rect.position.x - 8, rect.position.y - 8);
rect = GridToWindowRect(rect);
NodeEditorGUILayout.DrawPortHandle(rect, bgcol, frcol);
}
}
}
/// <summary> Draw a connection as we are dragging it </summary>
public void DrawDraggedConnection()
{
if (IsDraggingPort)
{
Color col = NodeEditorPreferences.GetTypeColor(draggedOutput.ValueType);
Rect fromRect;
if (!_portConnectionPoints.TryGetValue(draggedOutput, out fromRect))
{
return;
}
Vector2 from = fromRect.center;
col.a = draggedOutputTarget != null ? 1.0f : 0.6f;
Vector2 to = Vector2.zero;
for (int i = 0; i < draggedOutputReroutes.Count; i++)
{
to = draggedOutputReroutes[i];
DrawConnection(from, to, col);
from = to;
}
to = draggedOutputTarget != null ? portConnectionPoints[draggedOutputTarget].center : WindowToGridPosition(Event.current.mousePosition);
DrawConnection(from, to, col);
Color bgcol = Color.black;
Color frcol = col;
bgcol.a = 0.6f;
frcol.a = 0.6f;
// Loop through reroute points again and draw the points
for (int i = 0; i < draggedOutputReroutes.Count; i++)
{
// Draw reroute point at position
Rect rect = new Rect(draggedOutputReroutes[i], new Vector2(16, 16));
rect.position = new Vector2(rect.position.x - 8, rect.position.y - 8);
rect = GridToWindowRect(rect);
NodeEditorGUILayout.DrawPortHandle(rect, bgcol, frcol);
}
}
}
/// <summary> Draws all connections </summary>
public void DrawConnections()
{
foreach (Node node in graph.nodes)
{
//If a null node is found, return. This can happen if the nodes associated script is deleted. It is currently not possible in Unity to delete a null asset.
if (node == null)
{
continue;
}
foreach (NodePort output in node.Outputs)
{
//Needs cleanup. Null checks are ugly
if (!portConnectionPoints.ContainsKey(output))
{
continue;
}
Vector2 from = _portConnectionPoints[output].center;
for (int k = 0; k < output.ConnectionCount; k++)
{
NodePort input = output.GetConnection(k);
if (input == null)
{
continue; //If a script has been updated and the port doesn't exist, it is removed and null is returned. If this happens, return.
}
if (!input.IsConnectedTo(output))
{
input.Connect(output);
}
if (!_portConnectionPoints.ContainsKey(input))
{
continue;
}
Vector2 to = _portConnectionPoints[input].center;
DrawConnection(from, to, NodeEditorPreferences.GetTypeColor(output.ValueType));
}
}
}
}
public virtual Color GetTypeColor(Type type)
{
return(NodeEditorPreferences.GetTypeColor(type));
}
