/// <summary>
/// Draws the Node Canvas on the screen in the rect specified by editorState without one-time wrappers like GUISkin and OverlayGUI. Made for nested Canvases (WIP)
/// </summary>
private static void DrawSubCanvas(NodeCanvas nodeCanvas, NodeEditorState editorState)
{
if (!editorState.drawing)
{
return;
}
BeginEditingCanvas(nodeCanvas, editorState);
if (curNodeCanvas == null || curEditorState == null || !curEditorState.drawing)
{
return;
}
if (Event.current.type == EventType.Repaint)
{ // Draw Background when Repainting
// Offset from origin in tile units
Vector2 tileOffset = new Vector2(-(curEditorState.zoomPos.x * curEditorState.zoom + curEditorState.panOffset.x) / NodeEditorGUI.Background.width,
((curEditorState.zoomPos.y - curEditorState.canvasRect.height) * curEditorState.zoom + curEditorState.panOffset.y) / NodeEditorGUI.Background.height);
// Amount of tiles
Vector2 tileAmount = new Vector2(Mathf.Round(curEditorState.canvasRect.width * curEditorState.zoom) / NodeEditorGUI.Background.width,
Mathf.Round(curEditorState.canvasRect.height * curEditorState.zoom) / NodeEditorGUI.Background.height);
// Draw tiled background
GUI.DrawTextureWithTexCoords(curEditorState.canvasRect, NodeEditorGUI.Background, new Rect(tileOffset, tileAmount));
}
// Handle input events
NodeEditorInputSystem.HandleInputEvents(curEditorState);
if (Event.current.type != EventType.Layout)
{
curEditorState.ignoreInput = new List <Rect> ();
}
// We're using a custom scale method, as default one is messing up clipping rect
Rect canvasRect = curEditorState.canvasRect;
curEditorState.zoomPanAdjust = GUIScaleUtility.BeginScale(ref canvasRect, curEditorState.zoomPos, curEditorState.zoom, NodeEditorGUI.isEditorWindow, false);
// ---- BEGIN SCALE ----
// Some features which require zoomed drawing:
if (curEditorState.navigate)
{ // Draw a curve to the origin/active node for orientation purposes
Vector2 startPos = (curEditorState.selectedNode != null? curEditorState.selectedNode.rect.center : curEditorState.panOffset) + curEditorState.zoomPanAdjust;
Vector2 endPos = Event.current.mousePosition;
RTEditorGUI.DrawLine(startPos, endPos, Color.green, null, 3);
RepaintClients();
}
if (curEditorState.connectKnob != null)
{ // Draw the currently drawn connection
curEditorState.connectKnob.DrawConnection(Event.current.mousePosition);
RepaintClients();
}
// Draw the groups below everything else
for (int groupCnt = 0; groupCnt < curNodeCanvas.groups.Count; groupCnt++)
{
NodeGroup group = curNodeCanvas.groups[groupCnt];
if (Event.current.type == EventType.Layout)
{
group.isClipped = !curEditorState.canvasViewport.Overlaps(group.fullAABBRect);
}
if (!group.isClipped)
{
group.DrawGroup();
}
}
// Push the active node to the top of the draw order.
if (Event.current.type == EventType.Layout && curEditorState.selectedNode != null)
{
curNodeCanvas.nodes.Remove(curEditorState.selectedNode);
curNodeCanvas.nodes.Add(curEditorState.selectedNode);
}
// Draw the transitions and connections. Has to be drawn before nodes as transitions originate from node centers
for (int nodeCnt = 0; nodeCnt < curNodeCanvas.nodes.Count; nodeCnt++)
{
curNodeCanvas.nodes [nodeCnt].DrawConnections();
}
// Draw the nodes
for (int nodeCnt = 0; nodeCnt < curNodeCanvas.nodes.Count; nodeCnt++)
{
Node node = curNodeCanvas.nodes [nodeCnt];
if (Event.current.type == EventType.Layout)
{
node.isClipped = !curEditorState.canvasViewport.Overlaps(curNodeCanvas.nodes[nodeCnt].fullAABBRect);
}
if (!node.isClipped)
{
node.DrawNode();
if (Event.current.type == EventType.Repaint)
{
node.DrawKnobs();
}
}
}
// ---- END SCALE ----
// End scaling group
GUIScaleUtility.EndScale();
// Handle input events with less priority than node GUI controls
NodeEditorInputSystem.HandleLateInputEvents(curEditorState);
EndEditingCanvas();
}
/// <summary>
/// Draws the Node Canvas on the screen in the rect specified by editorState without one-time wrappers like GUISkin and OverlayGUI. Made for nested Canvases (WIP)
/// </summary>
private static void DrawSubCanvas(NodeCanvas nodeCanvas, NodeEditorState editorState)
{
if (!editorState.drawing)
{
return;
}
BeginEditingCanvas(nodeCanvas, editorState);
if (curNodeCanvas == null || curEditorState == null || !curEditorState.drawing)
{
return;
}
if (Event.current.type == EventType.Repaint)
{
//绘制NodeEditor背景
EditorGUI.DrawRect(curEditorState.canvasRect, new Color(28 / 255f, 28 / 255f, 28 / 255f));
}
// Handle input events
NodeEditorInputSystem.HandleInputEvents(curEditorState);
HandleMultipleSelect();
if (Event.current.type != EventType.Layout)
{
curEditorState.ignoreInput = new List <Rect>();
}
// We're using a custom scale method, as default one is messing up clipping rect
Rect canvasRect = curEditorState.canvasRect;
curEditorState.zoomPanAdjust = GUIScaleUtility.BeginScale(ref canvasRect, curEditorState.zoomPos, curEditorState.zoom,
NodeEditorGUI.isEditorWindow, false);
// 开始绘制缩放区域
if (curEditorState.connectKnob != null)
{
// Draw the currently drawn connection
curEditorState.connectKnob.DrawConnection(Event.current.mousePosition);
RepaintClients();
}
// Draw the groups below everything else
for (int groupCnt = 0; groupCnt < curNodeCanvas.groups.Count; groupCnt++)
{
NodeGroup group = curNodeCanvas.groups[groupCnt];
if (Event.current.type == EventType.Layout)
{
group.isClipped = !curEditorState.canvasViewport.Overlaps(group.fullAABBRect);
}
if (!group.isClipped)
{
group.DrawGroup();
}
}
// Draw the transitions and connections. Has to be drawn before nodes as transitions originate from node centers
for (int nodeCnt = 0; nodeCnt < curNodeCanvas.nodes.Count; nodeCnt++)
{
curNodeCanvas.nodes[nodeCnt].DrawConnections();
}
// Draw the nodes
for (int nodeCnt = 0; nodeCnt < curNodeCanvas.nodes.Count; nodeCnt++)
{
Node node = curNodeCanvas.nodes[nodeCnt];
if (Event.current.type == EventType.Layout)
{
node.isClipped = !curEditorState.canvasViewport.Overlaps(curNodeCanvas.nodes[nodeCnt].fullAABBRect);
}
if (node.isClipped)
{
continue;
}
node.DrawNode();
if (Event.current.type == EventType.Repaint)
{
node.DrawKnobs();
}
}
// ---- END SCALE ----
// End scaling group
GUIScaleUtility.EndScale();
// Handle input events with less priority than node GUI controls
NodeEditorInputSystem.HandleLateInputEvents(curEditorState);
EndEditingCanvas();
}