mirror of
https://github.com/Siccity/xNode.git
synced 2025-12-20 09:16:01 +08:00
Updated Node Editor Preferences window. Better separators. Added additional appearance options. Removed Rounding in GridToWindowPositionNoClipped() (and DrawGrid()) which was originally meant to fix UI Sharpness. But it did not have impact in my case and without it made panning feel much smoother.
906 lines
37 KiB
C#
Executable File
906 lines
37 KiB
C#
Executable File
using System;
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using System.Collections.Generic;
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using System.Reflection;
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using UnityEditor;
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using UnityEngine;
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using XNode;
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using XNodeEditor.Internal;
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using Object = UnityEngine.Object;
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#if UNITY_2019_1_OR_NEWER && USE_ADVANCED_GENERIC_MENU
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using GenericMenu = XNodeEditor.AdvancedGenericMenu;
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#endif
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namespace XNodeEditor
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{
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/// <summary> Contains GUI methods </summary>
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public partial class NodeEditorWindow
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{
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public NodeGraphEditor graphEditor;
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private List<Object> selectionCache;
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private List<Node> culledNodes;
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/// <summary> 19 if docked, 22 if not </summary>
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private int topPadding => isDocked() ? 19 : 22;
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/// <summary> Executed after all other window GUI. Useful if Zoom is ruining your day. Automatically resets after being run.</summary>
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public event Action onLateGUI;
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private static readonly Vector3[] polyLineTempArray = new Vector3[2];
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private bool graphFindAttempted;
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private bool editModeEntered;
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protected virtual void OnGUI()
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{
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Event e = Event.current;
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Matrix4x4 m = GUI.matrix;
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if (graph == null && !graphFindAttempted)
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{
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graphFindAttempted = true;
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if (!OnOpen(graphInstanceID, 0))
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{
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return;
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}
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}
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else
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{
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graphFindAttempted = false;
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}
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ValidateGraphEditor();
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Controls();
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DrawGrid(position, zoom, panOffset);
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// Hack used to prevent connections flickering when exiting play mode.
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if (!editModeEntered)
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{
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DrawNodes();
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DrawConnections();
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DrawDraggedConnection();
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}
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else
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{
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DrawConnections();
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DrawDraggedConnection();
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DrawNodes();
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}
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DrawSelectionBox();
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DrawTooltip();
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graphEditor.OnGUI();
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// Run and reset onLateGUI
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if (onLateGUI != null)
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{
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onLateGUI();
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onLateGUI = null;
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}
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GUI.matrix = m;
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}
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public static void BeginZoomed(Rect rect, float zoom, float topPadding)
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{
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GUI.EndClip();
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GUIUtility.ScaleAroundPivot(Vector2.one / zoom, rect.size * 0.5f);
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Vector4 padding = new Vector4(0, topPadding, 0, 0);
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padding *= zoom;
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GUI.BeginClip(new Rect(-(rect.width * zoom - rect.width) * 0.5f,
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-((rect.height * zoom - rect.height) * 0.5f) + topPadding * zoom,
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rect.width * zoom,
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rect.height * zoom));
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}
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public static void EndZoomed(Rect rect, float zoom, float topPadding)
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{
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GUIUtility.ScaleAroundPivot(Vector2.one * zoom, rect.size * 0.5f);
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Vector3 offset = new Vector3(
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(rect.width * zoom - rect.width) * 0.5f,
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(rect.height * zoom - rect.height) * 0.5f + -topPadding * zoom + topPadding,
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0);
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GUI.matrix = Matrix4x4.TRS(offset, Quaternion.identity, Vector3.one);
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}
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public void DrawGrid(Rect rect, float zoom, Vector2 panOffset)
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{
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rect.position = Vector2.zero;
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Vector2 center = rect.size / 2f;
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Texture2D gridTex = graphEditor.GetGridTexture();
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Texture2D crossTex = graphEditor.GetSecondaryGridTexture();
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// Offset from origin in tile units
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float xOffset = -(center.x * zoom + panOffset.x) / gridTex.width;
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float yOffset = ((center.y - rect.size.y) * zoom + panOffset.y) / gridTex.height;
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Vector2 tileOffset = new Vector2(xOffset, yOffset);
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// Amount of tiles
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float tileAmountX = rect.size.x * zoom / gridTex.width;
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float tileAmountY = rect.size.y * zoom / gridTex.height;
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Vector2 tileAmount = new Vector2(tileAmountX, tileAmountY);
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// Draw tiled background
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GUI.DrawTextureWithTexCoords(rect, gridTex, new Rect(tileOffset, tileAmount));
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GUI.DrawTextureWithTexCoords(rect, crossTex,
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new Rect(tileOffset + new Vector2(0.5f, 0.5f), tileAmount));
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}
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public void DrawSelectionBox()
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{
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if (currentActivity == NodeActivity.DragGrid)
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{
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Vector2 curPos = WindowToGridPosition(Event.current.mousePosition);
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Vector2 size = curPos - dragBoxStart;
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Rect r = new Rect(dragBoxStart, size);
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r.position = GridToWindowPosition(r.position);
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r.size /= zoom;
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Handles.DrawSolidRectangleWithOutline(r, new Color(0, 0, 0, 0.1f), new Color(1, 1, 1, 0.6f));
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}
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}
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public static bool DropdownButton(string name, float width)
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{
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return GUILayout.Button(name, EditorStyles.toolbarDropDown, GUILayout.Width(width));
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}
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/// <summary> Show right-click context menu for hovered reroute </summary>
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private void ShowRerouteContextMenu(RerouteReference reroute)
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{
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GenericMenu contextMenu = new GenericMenu();
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contextMenu.AddItem(new GUIContent("Remove"), false, () => reroute.RemovePoint());
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contextMenu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero));
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if (NodeEditorPreferences.GetSettings().autoSave)
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{
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AssetDatabase.SaveAssets();
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}
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}
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/// <summary> Show right-click context menu for hovered port </summary>
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private void ShowPortContextMenu(NodePort hoveredPort)
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{
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GenericMenu contextMenu = new GenericMenu();
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foreach (NodePort port in hoveredPort.GetConnections())
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{
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string name = port.node.name;
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int index = hoveredPort.GetConnectionIndex(port);
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contextMenu.AddItem(new GUIContent(string.Format("Disconnect({0})", name)), false,
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() => hoveredPort.Disconnect(index));
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}
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contextMenu.AddItem(new GUIContent("Clear Connections"), false, () => hoveredPort.ClearConnections());
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//Get compatible nodes with this port
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if (NodeEditorPreferences.GetSettings().createFilter)
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{
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contextMenu.AddSeparator("");
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if (hoveredPort.direction == NodePort.IO.Input)
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{
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graphEditor.AddContextMenuItems(contextMenu, hoveredPort.ValueType, NodePort.IO.Output);
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}
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else
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{
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graphEditor.AddContextMenuItems(contextMenu, hoveredPort.ValueType);
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}
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}
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contextMenu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero));
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if (NodeEditorPreferences.GetSettings().autoSave)
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{
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AssetDatabase.SaveAssets();
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}
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}
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private static Vector2 CalculateBezierPoint(Vector2 p0, Vector2 p1, Vector2 p2, Vector2 p3, float t)
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{
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float u = 1 - t;
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float tt = t * t, uu = u * u;
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float uuu = uu * u, ttt = tt * t;
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return new Vector2(
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uuu * p0.x + 3 * uu * t * p1.x + 3 * u * tt * p2.x + ttt * p3.x,
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uuu * p0.y + 3 * uu * t * p1.y + 3 * u * tt * p2.y + ttt * p3.y
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);
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}
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/// <summary> Draws a line segment without allocating temporary arrays </summary>
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private static void DrawAAPolyLineNonAlloc(float thickness, Vector2 p0, Vector2 p1)
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{
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polyLineTempArray[0].x = p0.x;
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polyLineTempArray[0].y = p0.y;
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polyLineTempArray[1].x = p1.x;
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polyLineTempArray[1].y = p1.y;
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Handles.DrawAAPolyLine(thickness, polyLineTempArray);
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}
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/// <summary> Draw a bezier from output to input in grid coordinates </summary>
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public void DrawNoodle(Gradient gradient, NoodlePath path, NoodleStroke stroke, float thickness,
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List<Vector2> gridPoints)
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{
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// convert grid points to window points
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for (int i = 0; i < gridPoints.Count; ++i)
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{
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gridPoints[i] = GridToWindowPosition(gridPoints[i]);
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}
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Color originalHandlesColor = Handles.color;
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Handles.color = gradient.Evaluate(0f);
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int length = gridPoints.Count;
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switch (path)
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{
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case NoodlePath.Curvy:
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Vector2 outputTangent = Vector2.right;
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for (int i = 0; i < length - 1; i++)
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{
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Vector2 inputTangent;
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// Cached most variables that repeat themselves here to avoid so many indexer calls :p
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Vector2 point_a = gridPoints[i];
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Vector2 point_b = gridPoints[i + 1];
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float dist_ab = Vector2.Distance(point_a, point_b);
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if (i == 0)
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{
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outputTangent = zoom * dist_ab * 0.01f * Vector2.right;
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}
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if (i < length - 2)
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{
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Vector2 point_c = gridPoints[i + 2];
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Vector2 ab = (point_b - point_a).normalized;
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Vector2 cb = (point_b - point_c).normalized;
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Vector2 ac = (point_c - point_a).normalized;
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Vector2 p = (ab + cb) * 0.5f;
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float tangentLength = (dist_ab + Vector2.Distance(point_b, point_c)) * 0.005f * zoom;
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float side = ac.x * (point_b.y - point_a.y) - ac.y * (point_b.x - point_a.x);
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p = tangentLength * Mathf.Sign(side) * new Vector2(-p.y, p.x);
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inputTangent = p;
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}
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else
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{
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inputTangent = zoom * dist_ab * 0.01f * Vector2.left;
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}
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// Calculates the tangents for the bezier's curves.
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float zoomCoef = 50 / zoom;
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Vector2 tangent_a = point_a + outputTangent * zoomCoef;
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Vector2 tangent_b = point_b + inputTangent * zoomCoef;
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// Hover effect.
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int division = Mathf.RoundToInt(.2f * dist_ab) + 3;
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// Coloring and bezier drawing.
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int draw = 0;
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Vector2 bezierPrevious = point_a;
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for (int j = 1; j <= division; ++j)
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{
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if (stroke == NoodleStroke.Dashed)
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{
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draw++;
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if (draw >= 2)
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{
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draw = -2;
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}
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if (draw < 0)
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{
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continue;
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}
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if (draw == 0)
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{
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bezierPrevious = CalculateBezierPoint(point_a, tangent_a, tangent_b, point_b,
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(j - 1f) / division);
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}
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}
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if (i == length - 2)
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{
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Handles.color = gradient.Evaluate((j + 1f) / division);
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}
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Vector2 bezierNext = CalculateBezierPoint(point_a, tangent_a, tangent_b, point_b,
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j / (float)division);
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DrawAAPolyLineNonAlloc(thickness, bezierPrevious, bezierNext);
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bezierPrevious = bezierNext;
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}
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outputTangent = -inputTangent;
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}
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break;
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case NoodlePath.Straight:
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for (int i = 0; i < length - 1; i++)
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{
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Vector2 point_a = gridPoints[i];
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Vector2 point_b = gridPoints[i + 1];
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// Draws the line with the coloring.
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Vector2 prev_point = point_a;
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// Approximately one segment per 5 pixels
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int segments = (int)Vector2.Distance(point_a, point_b) / 5;
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segments = Math.Max(segments, 1);
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int draw = 0;
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for (int j = 0; j <= segments; j++)
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{
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draw++;
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float t = j / (float)segments;
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Vector2 lerp = Vector2.Lerp(point_a, point_b, t);
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if (draw > 0)
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{
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if (i == length - 2)
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{
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Handles.color = gradient.Evaluate(t);
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}
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DrawAAPolyLineNonAlloc(thickness, prev_point, lerp);
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}
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prev_point = lerp;
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if (stroke == NoodleStroke.Dashed && draw >= 2)
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{
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draw = -2;
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}
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}
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}
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break;
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case NoodlePath.Angled:
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for (int i = 0; i < length - 1; i++)
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{
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if (i == length - 1)
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{
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continue; // Skip last index
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}
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if (gridPoints[i].x <= gridPoints[i + 1].x - 50 / zoom)
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{
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float midpoint = (gridPoints[i].x + gridPoints[i + 1].x) * 0.5f;
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Vector2 start_1 = gridPoints[i];
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Vector2 end_1 = gridPoints[i + 1];
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start_1.x = midpoint;
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end_1.x = midpoint;
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if (i == length - 2)
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{
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DrawAAPolyLineNonAlloc(thickness, gridPoints[i], start_1);
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Handles.color = gradient.Evaluate(0.5f);
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DrawAAPolyLineNonAlloc(thickness, start_1, end_1);
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Handles.color = gradient.Evaluate(1f);
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DrawAAPolyLineNonAlloc(thickness, end_1, gridPoints[i + 1]);
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}
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else
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{
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DrawAAPolyLineNonAlloc(thickness, gridPoints[i], start_1);
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DrawAAPolyLineNonAlloc(thickness, start_1, end_1);
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DrawAAPolyLineNonAlloc(thickness, end_1, gridPoints[i + 1]);
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}
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}
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else
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{
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float midpoint = (gridPoints[i].y + gridPoints[i + 1].y) * 0.5f;
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Vector2 start_1 = gridPoints[i];
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Vector2 end_1 = gridPoints[i + 1];
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start_1.x += 25 / zoom;
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end_1.x -= 25 / zoom;
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Vector2 start_2 = start_1;
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Vector2 end_2 = end_1;
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start_2.y = midpoint;
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end_2.y = midpoint;
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if (i == length - 2)
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{
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DrawAAPolyLineNonAlloc(thickness, gridPoints[i], start_1);
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Handles.color = gradient.Evaluate(0.25f);
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DrawAAPolyLineNonAlloc(thickness, start_1, start_2);
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Handles.color = gradient.Evaluate(0.5f);
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DrawAAPolyLineNonAlloc(thickness, start_2, end_2);
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Handles.color = gradient.Evaluate(0.75f);
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DrawAAPolyLineNonAlloc(thickness, end_2, end_1);
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Handles.color = gradient.Evaluate(1f);
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DrawAAPolyLineNonAlloc(thickness, end_1, gridPoints[i + 1]);
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}
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else
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{
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DrawAAPolyLineNonAlloc(thickness, gridPoints[i], start_1);
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DrawAAPolyLineNonAlloc(thickness, start_1, start_2);
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DrawAAPolyLineNonAlloc(thickness, start_2, end_2);
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DrawAAPolyLineNonAlloc(thickness, end_2, end_1);
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DrawAAPolyLineNonAlloc(thickness, end_1, gridPoints[i + 1]);
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}
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}
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}
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break;
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case NoodlePath.ShaderLab:
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Vector2 start = gridPoints[0];
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Vector2 end = gridPoints[length - 1];
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//Modify first and last point in array so we can loop trough them nicely.
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gridPoints[0] = gridPoints[0] + Vector2.right * (20 / zoom);
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gridPoints[length - 1] = gridPoints[length - 1] + Vector2.left * (20 / zoom);
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//Draw first vertical lines going out from nodes
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Handles.color = gradient.Evaluate(0f);
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DrawAAPolyLineNonAlloc(thickness, start, gridPoints[0]);
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Handles.color = gradient.Evaluate(1f);
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DrawAAPolyLineNonAlloc(thickness, end, gridPoints[length - 1]);
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for (int i = 0; i < length - 1; i++)
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{
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Vector2 point_a = gridPoints[i];
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Vector2 point_b = gridPoints[i + 1];
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// Draws the line with the coloring.
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Vector2 prev_point = point_a;
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// Approximately one segment per 5 pixels
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int segments = (int)Vector2.Distance(point_a, point_b) / 5;
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segments = Math.Max(segments, 1);
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int draw = 0;
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for (int j = 0; j <= segments; j++)
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{
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draw++;
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float t = j / (float)segments;
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Vector2 lerp = Vector2.Lerp(point_a, point_b, t);
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if (draw > 0)
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{
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if (i == length - 2)
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{
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Handles.color = gradient.Evaluate(t);
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}
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DrawAAPolyLineNonAlloc(thickness, prev_point, lerp);
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}
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prev_point = lerp;
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if (stroke == NoodleStroke.Dashed && draw >= 2)
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{
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draw = -2;
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}
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}
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}
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gridPoints[0] = start;
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gridPoints[length - 1] = end;
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break;
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}
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Handles.color = originalHandlesColor;
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}
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/// <summary> Draws all connections </summary>
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public void DrawConnections()
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{
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Vector2 mousePos = Event.current.mousePosition;
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var selection = preBoxSelectionReroute != null
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? new List<RerouteReference>(preBoxSelectionReroute)
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: new List<RerouteReference>();
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hoveredReroute = new RerouteReference();
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var gridPoints = new List<Vector2>(2);
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Color col = GUI.color;
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foreach (Node node in graph.nodes)
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{
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//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.
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if (node == null)
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{
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continue;
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}
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// Draw full connections and output > reroute
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foreach (NodePort output in node.Outputs)
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{
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//Needs cleanup. Null checks are ugly
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Rect fromRect;
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if (!portConnectionPoints.TryGetValue(output, out fromRect))
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{
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continue;
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}
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Color portColor = graphEditor.GetPortColor(output);
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GUIStyle portStyle = graphEditor.GetPortStyle(output);
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for (int k = 0; k < output.ConnectionCount; k++)
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{
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NodePort input = output.GetConnection(k);
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Gradient noodleGradient = graphEditor.GetNoodleGradient(output, input);
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|
float noodleThickness = graphEditor.GetNoodleThickness(output, input);
|
|
NoodlePath noodlePath = graphEditor.GetNoodlePath(output, input);
|
|
NoodleStroke noodleStroke = graphEditor.GetNoodleStroke(output, input);
|
|
|
|
// Error handling
|
|
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);
|
|
}
|
|
|
|
Rect toRect;
|
|
if (!portConnectionPoints.TryGetValue(input, out toRect))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
var reroutePoints = output.GetReroutePoints(k);
|
|
|
|
gridPoints.Clear();
|
|
gridPoints.Add(fromRect.center);
|
|
gridPoints.AddRange(reroutePoints);
|
|
gridPoints.Add(toRect.center);
|
|
DrawNoodle(noodleGradient, noodlePath, noodleStroke, noodleThickness, gridPoints);
|
|
|
|
// Loop through reroute points again and draw the points
|
|
for (int i = 0; i < reroutePoints.Count; i++)
|
|
{
|
|
RerouteReference rerouteRef = new RerouteReference(output, k, i);
|
|
// Draw reroute point at position
|
|
Rect rect = new Rect(reroutePoints[i], new Vector2(12, 12));
|
|
rect.position = new Vector2(rect.position.x - 6, rect.position.y - 6);
|
|
rect = GridToWindowRect(rect);
|
|
|
|
// Draw selected reroute points with an outline
|
|
if (selectedReroutes.Contains(rerouteRef))
|
|
{
|
|
GUI.color = NodeEditorPreferences.GetSettings().highlightColor;
|
|
GUI.DrawTexture(rect, portStyle.normal.background);
|
|
}
|
|
|
|
GUI.color = portColor;
|
|
GUI.DrawTexture(rect, portStyle.active.background);
|
|
if (rect.Overlaps(selectionBox))
|
|
{
|
|
selection.Add(rerouteRef);
|
|
}
|
|
|
|
if (rect.Contains(mousePos))
|
|
{
|
|
hoveredReroute = rerouteRef;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
GUI.color = col;
|
|
if (Event.current.type != EventType.Layout && currentActivity == NodeActivity.DragGrid)
|
|
{
|
|
selectedReroutes = selection;
|
|
}
|
|
}
|
|
|
|
private void DrawNodes()
|
|
{
|
|
Event e = Event.current;
|
|
if (e.type == EventType.Layout)
|
|
{
|
|
selectionCache = new List<Object>(Selection.objects);
|
|
}
|
|
|
|
MethodInfo onValidate = null;
|
|
if (Selection.activeObject != null && Selection.activeObject is Node)
|
|
{
|
|
onValidate = Selection.activeObject.GetType().GetMethod("OnValidate");
|
|
if (onValidate != null)
|
|
{
|
|
EditorGUI.BeginChangeCheck();
|
|
}
|
|
}
|
|
|
|
BeginZoomed(position, zoom, topPadding);
|
|
|
|
Vector2 mousePos = Event.current.mousePosition;
|
|
|
|
if (e.type != EventType.Layout)
|
|
{
|
|
hoveredNode = null;
|
|
hoveredPort = null;
|
|
}
|
|
|
|
var preSelection = preBoxSelection != null ? new List<Object>(preBoxSelection) : new List<Object>();
|
|
|
|
// Selection box stuff
|
|
Vector2 boxStartPos = GridToWindowPositionNoClipped(dragBoxStart);
|
|
Vector2 boxSize = mousePos - boxStartPos;
|
|
if (boxSize.x < 0)
|
|
{
|
|
boxStartPos.x += boxSize.x;
|
|
boxSize.x = Mathf.Abs(boxSize.x);
|
|
}
|
|
|
|
if (boxSize.y < 0)
|
|
{
|
|
boxStartPos.y += boxSize.y;
|
|
boxSize.y = Mathf.Abs(boxSize.y);
|
|
}
|
|
|
|
Rect selectionBox = new Rect(boxStartPos, boxSize);
|
|
|
|
//Save guiColor so we can revert it
|
|
Color guiColor = GUI.color;
|
|
|
|
var removeEntries = new List<NodePort>();
|
|
|
|
if (e.type == EventType.Layout)
|
|
{
|
|
culledNodes = new List<Node>();
|
|
}
|
|
|
|
for (int n = 0; n < graph.nodes.Count; n++)
|
|
{
|
|
// Skip null nodes. The user could be in the process of renaming scripts, so removing them at this point is not advisable.
|
|
if (graph.nodes[n] == null)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (n >= graph.nodes.Count)
|
|
{
|
|
return;
|
|
}
|
|
|
|
Node node = graph.nodes[n];
|
|
|
|
// Culling
|
|
if (e.type == EventType.Layout)
|
|
{
|
|
// Cull unselected nodes outside view
|
|
if (!Selection.Contains(node) && ShouldBeCulled(node))
|
|
{
|
|
culledNodes.Add(node);
|
|
continue;
|
|
}
|
|
}
|
|
else if (culledNodes.Contains(node))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (e.type == EventType.Repaint)
|
|
{
|
|
removeEntries.Clear();
|
|
foreach (var kvp in portConnectionPoints)
|
|
{
|
|
if (kvp.Key.node == node)
|
|
{
|
|
removeEntries.Add(kvp.Key);
|
|
}
|
|
}
|
|
|
|
foreach (NodePort k in removeEntries)
|
|
{
|
|
portConnectionPoints.Remove(k);
|
|
}
|
|
}
|
|
|
|
NodeEditor nodeEditor = NodeEditor.GetEditor(node, this);
|
|
|
|
NodeEditor.portPositions.Clear();
|
|
|
|
// Set default label width. This is potentially overridden in OnBodyGUI
|
|
EditorGUIUtility.labelWidth = 84;
|
|
|
|
//Get node position
|
|
Vector2 nodePos = GridToWindowPositionNoClipped(node.position);
|
|
|
|
GUILayout.BeginArea(new Rect(nodePos, new Vector2(nodeEditor.GetWidth(), 4000)));
|
|
|
|
bool selected = selectionCache.Contains(graph.nodes[n]);
|
|
|
|
if (selected)
|
|
{
|
|
GUIStyle style = new GUIStyle(nodeEditor.GetBodyStyle());
|
|
GUIStyle highlightStyle = new GUIStyle(nodeEditor.GetBodyHighlightStyle());
|
|
highlightStyle.padding = style.padding;
|
|
style.padding = new RectOffset();
|
|
GUI.color = nodeEditor.GetTint();
|
|
GUILayout.BeginVertical(style);
|
|
GUI.color = NodeEditorPreferences.GetSettings().highlightColor;
|
|
GUILayout.BeginVertical(new GUIStyle(highlightStyle));
|
|
}
|
|
else
|
|
{
|
|
GUILayout.BeginVertical();
|
|
}
|
|
|
|
GUI.color = guiColor;
|
|
EditorGUI.BeginChangeCheck();
|
|
|
|
//Draw node contents
|
|
if (currentActivity == NodeActivity.Renaming && Selection.activeObject == node)
|
|
{
|
|
RenameTextField.current.DrawRenameTextField();
|
|
}
|
|
else
|
|
{
|
|
GUI.color = nodeEditor.GetHeaderColor();
|
|
GUIStyle style = new GUIStyle(nodeEditor.GetHeaderStyle());
|
|
GUILayout.BeginVertical(style);
|
|
|
|
GUI.color = guiColor;
|
|
nodeEditor.OnHeaderGUI();
|
|
|
|
GUILayout.EndVertical();
|
|
}
|
|
|
|
GUI.color = nodeEditor.GetBodyColor();
|
|
GUIStyle bodyStyle = new GUIStyle(nodeEditor.GetBodyStyle());
|
|
GUILayout.BeginVertical(bodyStyle);
|
|
|
|
GUI.color = guiColor;
|
|
GUIStyle bodyPaddingStyle = NodeEditorResources.styles.nodePadding;
|
|
GUILayout.BeginVertical(bodyPaddingStyle);
|
|
nodeEditor.OnBodyGUI();
|
|
GUILayout.EndVertical();
|
|
|
|
GUILayout.EndVertical();
|
|
|
|
//If user changed a value, notify other scripts through onUpdateNode
|
|
if (EditorGUI.EndChangeCheck())
|
|
{
|
|
if (NodeEditor.onUpdateNode != null)
|
|
{
|
|
NodeEditor.onUpdateNode(node);
|
|
}
|
|
|
|
EditorUtility.SetDirty(node);
|
|
nodeEditor.serializedObject.ApplyModifiedProperties();
|
|
}
|
|
|
|
GUILayout.EndVertical();
|
|
|
|
//Cache data about the node for next frame
|
|
if (e.type == EventType.Repaint)
|
|
{
|
|
Vector2 size = GUILayoutUtility.GetLastRect().size;
|
|
if (nodeSizes.ContainsKey(node))
|
|
{
|
|
nodeSizes[node] = size;
|
|
}
|
|
else
|
|
{
|
|
nodeSizes.Add(node, size);
|
|
}
|
|
|
|
foreach (var kvp in NodeEditor.portPositions)
|
|
{
|
|
Vector2 portHandlePos = kvp.Value;
|
|
portHandlePos += node.position;
|
|
Rect rect = new Rect(portHandlePos.x - 8, portHandlePos.y - 8, 16, 16);
|
|
portConnectionPoints[kvp.Key] = rect;
|
|
}
|
|
}
|
|
|
|
if (selected)
|
|
{
|
|
GUILayout.EndVertical();
|
|
}
|
|
|
|
if (e.type != EventType.Layout)
|
|
{
|
|
//Check if we are hovering this node
|
|
Vector2 nodeSize = GUILayoutUtility.GetLastRect().size;
|
|
Rect windowRect = new Rect(nodePos, nodeSize);
|
|
if (windowRect.Contains(mousePos))
|
|
{
|
|
hoveredNode = node;
|
|
}
|
|
|
|
//If dragging a selection box, add nodes inside to selection
|
|
if (currentActivity == NodeActivity.DragGrid)
|
|
{
|
|
if (windowRect.Overlaps(selectionBox))
|
|
{
|
|
preSelection.Add(node);
|
|
}
|
|
}
|
|
|
|
//Check if we are hovering any of this nodes ports
|
|
//Check input ports
|
|
foreach (NodePort input in node.Inputs)
|
|
{
|
|
//Check if port rect is available
|
|
if (!portConnectionPoints.ContainsKey(input))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
Rect r = GridToWindowRectNoClipped(portConnectionPoints[input]);
|
|
if (r.Contains(mousePos))
|
|
{
|
|
hoveredPort = input;
|
|
}
|
|
}
|
|
|
|
//Check all output ports
|
|
foreach (NodePort output in node.Outputs)
|
|
{
|
|
//Check if port rect is available
|
|
if (!portConnectionPoints.ContainsKey(output))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
Rect r = GridToWindowRectNoClipped(portConnectionPoints[output]);
|
|
if (r.Contains(mousePos))
|
|
{
|
|
hoveredPort = output;
|
|
}
|
|
}
|
|
}
|
|
|
|
GUILayout.EndArea();
|
|
nodeEditor.OnControlsGUI();
|
|
}
|
|
|
|
if (e.type != EventType.Layout && currentActivity == NodeActivity.DragGrid)
|
|
{
|
|
Selection.objects = preSelection.ToArray();
|
|
}
|
|
|
|
EndZoomed(position, zoom, topPadding);
|
|
|
|
//If a change in is detected in the selected node, call OnValidate method.
|
|
//This is done through reflection because OnValidate is only relevant in editor,
|
|
//and thus, the code should not be included in build.
|
|
if (onValidate != null && EditorGUI.EndChangeCheck())
|
|
{
|
|
onValidate.Invoke(Selection.activeObject, null);
|
|
}
|
|
}
|
|
|
|
private bool ShouldBeCulled(Node node)
|
|
{
|
|
Vector2 nodePos = GridToWindowPositionNoClipped(node.position);
|
|
if (nodePos.x / _zoom > position.width)
|
|
{
|
|
return true; // Right
|
|
}
|
|
|
|
if (nodePos.y / _zoom > position.height)
|
|
{
|
|
return true; // Bottom
|
|
}
|
|
|
|
if (nodeSizes.ContainsKey(node))
|
|
{
|
|
Vector2 size = nodeSizes[node];
|
|
if (nodePos.x + size.x < 0)
|
|
{
|
|
return true; // Left
|
|
}
|
|
|
|
if (nodePos.y + size.y < 0)
|
|
{
|
|
return true; // Top
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
private void DrawTooltip()
|
|
{
|
|
if (!NodeEditorPreferences.GetSettings().portTooltips || graphEditor == null)
|
|
{
|
|
return;
|
|
}
|
|
|
|
string tooltip = null;
|
|
if (hoveredPort != null)
|
|
{
|
|
tooltip = graphEditor.GetPortTooltip(hoveredPort);
|
|
}
|
|
else if (hoveredNode != null && IsHoveringNode && IsHoveringTitle(hoveredNode))
|
|
{
|
|
tooltip = NodeEditor.GetEditor(hoveredNode, this).GetHeaderTooltip();
|
|
}
|
|
|
|
if (string.IsNullOrEmpty(tooltip))
|
|
{
|
|
return;
|
|
}
|
|
|
|
GUIContent content = new GUIContent(tooltip);
|
|
Vector2 size = NodeEditorResources.styles.tooltip.CalcSize(content);
|
|
size.x += 8;
|
|
Rect rect = new Rect(Event.current.mousePosition - size, size);
|
|
EditorGUI.LabelField(rect, content, NodeEditorResources.styles.tooltip);
|
|
Repaint();
|
|
}
|
|
}
|
|
} |