public void SetCanvasPosition(Vector2 value, GUI_Info info)
{
if (!info.scrollWindow)
{
this.SetSerializedValue("positionSize", new Rect(value - nodeCanvas.scrollOffset, positionSize.size));
}
}
public void AddDelta(Vector2 delta, GUI_Info info)
{
foreach (var node in nodes)
{
node.SetCanvasPosition(node.canvasPosition + delta, info);
}
}
public Vector2 GetGUIPosForOrderGraph(Vector2 size, GUI_Info info)
{
var r = positionSize;
r.position = canvasPosition;
r.x += (r.width - size.x) * 0.5f;
r.y -= size.y;
return(r.position);
}
/// <summary>
/// Returns the tree output knob that is at the position on this node or null
/// </summary>
public NodeTreeOutput GetTreeOutputAtPos(Vector2 pos, GUI_Info info)
{
foreach (var treeOutput in treeOutputs) // Search for an output at the position
{
if (treeOutput.GetKnobRect(info).Contains(pos))
{
return(treeOutput);
}
}
return(null);
}
/// <summary>
/// Returns the input knob that is at the position on this node or null
/// </summary>
public NodeInput GetInputAtPos(Vector2 pos, GUI_Info info)
{
foreach (var input in inputs) // Search for an input at the position
{
if (input.GetKnobRect(info).Contains(pos))
{
return(input);
}
}
return(null);
}
public override void OnSelectedDrawCanvas(GUI_Info info)
{
foreach (var g in groups)
{
if (g != null)
{
UnityEditor.Handles.DrawLine(canvasPositionPixelCorrected * info.zoom, g.CanvasPositionPixelCorrected * info.zoom);
}
}
foreach (var n in nodes)
{
if (n != null)
{
UnityEditor.Handles.DrawLine(canvasPositionPixelCorrected * info.zoom, n.canvasPositionPixelCorrected * info.zoom);
}
}
}
/// <summary>
/// Function implemented by the children to draw the node
/// </summary>
public void Draw(GUI_Info guiInfo)
{
CheckArray();
if (nodes.Length == 0)
{
OnDelete();
}
else
{
if (boxStyle == null || boxStyle.normal.background == null)
{
boxStyle = new GUIStyle(GUI.skin.box);
boxStyle.normal.background = ColorToTex(new Color(1, 1, 1, 1), new Color(1, 1, 1, 0.3f));
boxStyle.padding = boxStyle.margin = new RectOffset();
boxStyle.border = new RectOffset(1, 1, 1, 1);
boxStyle.normal.textColor = GetTextColor(color);
}
Color originalColor = GUI.backgroundColor;
GUI.backgroundColor = color;
Rect r = RectPixelCorrected;
r.size = PositionSize.size;
GUI.Box(r, groupName, boxStyle);
GUI.backgroundColor = originalColor;
Rect rColor = RectPixelCorrected;
rColor.size = new Vector2(40, 20);
rColor.x += PositionSize.size.x - 40;
try {
var oldColor = color;
SetColor(UnityEditor.EditorGUI.ColorField(rColor, color));
if (oldColor != color)
{
boxStyle.normal.textColor = GetTextColor(color);
}
}
catch (ExitGUIException) { }
}
}
public void OnGUI()
{
checkInit();
guiInfo = new GUI_Info(scrollWindow, knobSize, null != nodeCanvas ? nodeCanvas.zoom.GetZoom() : 1);
nodeCanvas = (Context)EditorGUILayout.ObjectField(nodeCanvas, typeof(Context), true);
if (nodeCanvas == null && 0 != nodeCanvasInstanceId)
{
nodeCanvas = EditorUtility.InstanceIDToObject(nodeCanvasInstanceId) as Context;
if (null == nodeCanvas)
{
nodeCanvasInstanceId = 0;
}
}
if (nodeCanvas == null)
{
return;
}
nodeCanvasInstanceId = nodeCanvas.GetInstanceID();
SetEditorColor();
try {
// Draw Background when Repainting
if (Event.current.type == EventType.Repaint) // Draw background when repainting
{
float w = GUI_Info.Background.width * nodeCanvas.zoom.GetZoom();
float h = GUI_Info.Background.height * nodeCanvas.zoom.GetZoom();
Vector2 offset = new Vector2((nodeCanvas.scrollOffset.x * nodeCanvas.zoom.GetZoom()) % w - w,
(nodeCanvas.scrollOffset.y * nodeCanvas.zoom.GetZoom()) % h - h);
int tileX = Mathf.CeilToInt((position.width + (w - offset.x)) / w);
int tileY = Mathf.CeilToInt((position.height + (h - offset.y)) / h);
for (int x = 0; x < tileX; x++)
{
for (int y = 0; y < tileY; y++)
{
GUI.DrawTexture(new Rect(offset.x + x * w, offset.y + y * h, w, h), GUI_Info.Background);
}
}
}
// We want to scale our nodes, but as GUI.matrix also scales our widnow's clipping group,
// we have to scale it up first to receive a correct one as a result
// End the default clipping group
GUI.EndGroup();
// The Rect of the new clipping group to draw our nodes in
Rect ScaledCanvasRect = new Rect(0, 23, (position.width - sideWindowRect.width) / nodeCanvas.zoom.GetZoom(), position.height / nodeCanvas.zoom.GetZoom());
// Now continue drawing using the new clipping group
GUI.BeginGroup(ScaledCanvasRect);
// Apply zoom
GUIUtility.ScaleAroundPivot(Vector2.one * nodeCanvas.zoom.GetZoom(), Vector2.zero);
// Draw groups
nodeCanvas.ForeachGroup(g => g.Draw(guiInfo));
// draw window connectors + window buttons
nodeCanvas.ForeachNode(DrawNodeCurves);
nodeCanvas.ForeachNode(DrawNodeKnobs);
InputEvents();
// Draw nodes
BeginWindows();
for (int i = 0; i < nodeCanvas.GetNodesLength(); i++)
{
var node = nodeCanvas.GetNode(i);
if (!node.CalculateVisibility(position.size / nodeCanvas.zoom.GetZoom()))
{
GUILayout.Window(i, node.rectPixelCorrected, DrawNode, node.GetName(), GUI_Info.nodeStyle);
}
else
{
Color originalColor = GUI.backgroundColor;
GUI.backgroundColor = nodeCanvas.GetFirstNode() == node ? firstNodeColor : nodeCanvas.StackContainsNode(node) ? nodeInStackColor : node == selectedNode ? selectedNodeColor : nonExecutedColor;
GUI.backgroundColor = Color.Lerp(executingNodeColor, GUI.backgroundColor, (Time.time - node.lastExecutedTime) / decayInSeconds);
GUI.color = Color.white;
Rect startRect = node.positionSize;
Rect r = GUILayout.Window(i, node.rectPixelCorrected, DrawNode, node.GetName(), GUI_Info.nodeStyle);
if (!nodeCanvas.zoom.IsZooming)
{
node.SetCanvasPosition(r.position, guiInfo);
if (r.size != Vector2.zero)
{
node.positionSize.size = r.size;
}
if (startRect != node.positionSize)
{
nodeCanvas.ForeachGroup(g => g.needsUpdate = true);
}
}
GUI.backgroundColor = originalColor;
}
}
EndWindows();
// Draw gui order debug
if (nodeCanvas.debug)
{
Color c = GUI.color;
if (nodeCanvas.stepByStep && nodeCanvas.calledElementsInOrder.Count > 0 && nodeCanvas.calledElementsInOrder[curDebugStep].sender != null)
{
Vector2 pos = nodeCanvas.calledElementsInOrder[curDebugStep].sender.GetGUIPosForOrderGraph(debugBoxSize, guiInfo);
GUI.color = Color.red;
GUI.Box(new Rect(pos, debugBoxSize), nodeCanvas.calledElementsInOrder[curDebugStep].text);
}
GUI.color = c;
}
Repaint();
// undo zoom
GUI.matrix = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, Vector3.one);
GUI.EndGroup();
if (selectedNode != null)
{
selectedNode.OnSelectedDrawCanvas(guiInfo);
}
// Now continue drawing using the new clipping group
GUI.BeginGroup(new Rect(0, 23, position.width, position.height));
// Now continue drawing using the new clipping group
GUILayout.BeginArea(sideWindowRect, GUI_Info.nodeBox);
DrawSideWindow();
GUILayout.EndArea();
if (Event.current.type == EventType.Repaint)
{
ProcessDeferredNodesToDelete();
ProcessDeferredGroupsToDelete();
}
} catch (Exception e) {
Debug.LogError(e, this);
}
UndoEditorColor();
nodeCanvas.zoom.GUIUpdate(this);
}
public virtual void OnSelectedDrawCanvas(GUI_Info info)
{
}