375 lines
15 KiB
C#
375 lines
15 KiB
C#
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namespace Dreamteck.Splines.Editor
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{
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using UnityEngine;
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using UnityEditor;
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using System.Collections.Generic;
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[CustomEditor(typeof(Node), true)]
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[CanEditMultipleObjects]
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public class NodeEditor : Editor {
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private SplineComputer addComp = null;
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private int addPoint = 0;
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private Node lastnode = null;
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private int[] availablePoints;
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bool connectionsOpen = false, settingsOpen = false;
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private SerializedProperty transformNormals, transformSize, transformTangents, type;
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private Node[] nodes = new Node[0];
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private SerializedObject serializedNodes;
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public override void OnInspectorGUI()
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{
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base.OnInspectorGUI();
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Node node = (Node)target;
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if (nodes.Length == 1)
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{
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if (addComp != null)
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{
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string[] pointNames = new string[availablePoints.Length];
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for (int i = 0; i < pointNames.Length; i++)
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{
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pointNames[i] = "Point " + (availablePoints[i] + 1);
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}
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if (availablePoints.Length > 0) addPoint = EditorGUILayout.Popup("Link point", addPoint, pointNames);
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else EditorGUILayout.LabelField("No Points Available");
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if (GUILayout.Button("Cancel"))
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{
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addComp = null;
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addPoint = 0;
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}
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if (addPoint >= 0 && availablePoints.Length > addPoint)
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{
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if (node.HasConnection(addComp, availablePoints[addPoint])) EditorGUILayout.HelpBox("Connection already exists (" + addComp.name + "," + availablePoints[addPoint], MessageType.Error);
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else if (GUILayout.Button("Link"))
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{
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AddConnection(addComp, availablePoints[addPoint]);
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}
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}
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}
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else
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{
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SplineEditorGUI.BeginContainerBox(ref connectionsOpen, "Connections");
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if (connectionsOpen)
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{
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ConnectionsGUI();
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}
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SplineEditorGUI.EndContainerBox();
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Rect rect = GUILayoutUtility.GetLastRect();
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SplineComputer[] addComps;
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SplineComputer lastComp = addComp;
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bool dragged = DreamteckEditorGUI.DropArea<SplineComputer>(rect, out addComps);
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if (dragged && addComps.Length > 0)
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{
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SelectComputer(addComps[0]);
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}
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if (lastComp != addComp)
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{
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SceneView.RepaintAll();
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}
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}
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} else
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{
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EditorGUILayout.HelpBox("Connection UI not available when multiple Nodes are selected.", MessageType.Info);
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}
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SplineEditorGUI.BeginContainerBox(ref settingsOpen, "Settings");
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if (settingsOpen)
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{
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SettingsGUI();
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}
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SplineEditorGUI.EndContainerBox();
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}
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private void SettingsGUI()
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{
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Node node = (Node)target;
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serializedNodes = new SerializedObject(nodes);
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transformNormals = serializedNodes.FindProperty("_transformNormals");
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transformSize = serializedNodes.FindProperty("_transformSize");
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transformTangents = serializedNodes.FindProperty("_transformTangents");
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type = serializedNodes.FindProperty("type");
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EditorGUI.BeginChangeCheck();
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EditorGUILayout.PropertyField(transformNormals, new GUIContent("Transform Normals"));
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EditorGUILayout.PropertyField(transformSize, new GUIContent("Transform Size"));
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EditorGUILayout.PropertyField(transformTangents, new GUIContent("Transform Tangents"));
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EditorGUILayout.PropertyField(type, new GUIContent("Node Type"));
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if (EditorGUI.EndChangeCheck())
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{
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SceneView.RepaintAll();
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serializedNodes.ApplyModifiedProperties();
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node.UpdatePoints();
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node.UpdateConnectedComputers();
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SetDirty(node);
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}
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EditorGUILayout.BeginHorizontal();
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if(GUILayout.Button("Align Tangents X"))
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{
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AlignTangents(node, 0);
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}
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if (GUILayout.Button("Align Tangents Y"))
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{
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AlignTangents(node, 1);
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}
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if (GUILayout.Button("Align Tangents Z"))
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{
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AlignTangents(node, 2);
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}
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EditorGUILayout.EndHorizontal();
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}
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private void AlignTangents(Node node, int axis)
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{
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Vector3 axisVector = Vector3.forward;
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switch (axis)
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{
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case 0: axisVector = node.transform.right; break;
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case 1: axisVector = node.transform.up; break;
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case 2: axisVector = node.transform.forward; break;
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}
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Undo.RecordObject(node, "Align Tangents");
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SplinePoint point = node.GetPoint(0, false);
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Vector3 tan1 = point.tangent - point.position;
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Vector3 tan2 = point.tangent2 - point.position;
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float tan1Dir = Mathf.Sign(Vector3.Dot(tan1, axisVector));
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float tan2Dir = Mathf.Sign(Vector3.Dot(tan2, axisVector));
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point.tangent = point.position + axisVector * tan1Dir * tan1.magnitude;
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point.tangent2 = point.position + axisVector * tan2Dir * tan2.magnitude;
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node.SetPoint(0, point, false);
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node.UpdateConnectedComputers();
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SetDirty(node);
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SceneView.RepaintAll();
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}
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void ConnectionsGUI()
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{
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Node node = (Node)target;
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Node.Connection[] connections = node.GetConnections();
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EditorGUILayout.Space();
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if (connections.Length > 0)
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{
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for (int i = 0; i < connections.Length; i++)
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{
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EditorGUILayout.BeginHorizontal();
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EditorGUILayout.LabelField(connections[i].spline.name + " at point " + (connections[i].pointIndex+1));
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if (GUILayout.Button("Select", GUILayout.Width(70)))
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{
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Selection.activeGameObject = connections[i].spline.gameObject;
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}
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SplineEditorGUI.SetHighlightColors(SplinePrefs.highlightColor, SplinePrefs.highlightContentColor);
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if (SplineEditorGUI.EditorLayoutSelectableButton(new GUIContent("Swap Tangents"), connections[i].spline.type == Spline.Type.Bezier, connections[i].invertTangents))
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{
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connections[i].invertTangents = !connections[i].invertTangents;
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node.UpdateConnectedComputers();
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SetDirty(node);
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SceneView.RepaintAll();
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}
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if (GUILayout.Button("x", GUILayout.Width(20)))
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{
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Undo.RecordObject(node, "Remove connection");
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Undo.RecordObject(connections[i].spline, "Remove node");
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connections[i].spline.DisconnectNode(connections[i].pointIndex);
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node.RemoveConnection(connections[i].spline, connections[i].pointIndex);
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}
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EditorGUILayout.EndHorizontal();
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}
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}
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else EditorGUILayout.HelpBox("Drag & Drop SplineComputers here to link their points.", MessageType.Info);
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}
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void OnEnable()
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{
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lastnode = (Node)target;
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lastnode.EditorMaintainConnections();
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connectionsOpen = EditorPrefs.GetBool("Dreamteck.Splines.Editor.NodeEditor.connectionsOpen");
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settingsOpen = EditorPrefs.GetBool("Dreamteck.Splines.Editor.NodeEditor.settingsOpen");
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nodes = new Node[targets.Length];
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for (int i = 0; i < targets.Length; i++)
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{
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nodes[i] = (Node)targets[i];
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}
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#if UNITY_2019_1_OR_NEWER
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SceneView.duringSceneGui += DuringSceneGUI;
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#else
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SceneView.onSceneGUIDelegate += DuringSceneGUI;
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#endif
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}
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private void OnDisable()
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{
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EditorPrefs.SetBool("Dreamteck.Splines.Editor.NodeEditor.connectionsOpen", connectionsOpen);
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EditorPrefs.SetBool("Dreamteck.Splines.Editor.NodeEditor.settingsOpen", settingsOpen);
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#if UNITY_2019_1_OR_NEWER
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SceneView.duringSceneGui -= DuringSceneGUI;
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#else
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SceneView.onSceneGUIDelegate -= DuringSceneGUI;
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#endif
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}
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void OnDestroy()
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{
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if (Application.isEditor && !Application.isPlaying)
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{
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if (((Node)target) == null)
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{
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Node.Connection[] connections = lastnode.GetConnections();
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for(int i = 0; i < connections.Length; i++)
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{
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if (connections[i].spline == null) continue;
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Undo.RecordObject(connections[i].spline, "Delete node connections");
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}
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lastnode.ClearConnections();
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}
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}
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}
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void SelectComputer(SplineComputer comp)
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{
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addComp = comp;
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if (addComp != null) availablePoints = GetAvailablePoints(addComp);
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SceneView.RepaintAll();
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Repaint();
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}
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void AddConnection(SplineComputer computer, int pointIndex)
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{
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Node node = (Node)target;
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Node.Connection[] connections = node.GetConnections();
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if (EditorUtility.DisplayDialog("Link point?", "Add point " + (pointIndex+1) + " to connections?", "Yes", "No"))
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{
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Undo.RecordObject(addComp, "Add connection");
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Undo.RecordObject(node, "Add Connection");
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if (connections.Length == 0)
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{
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switch (EditorUtility.DisplayDialogComplex("Align node to point?", "This is the first connection for the node, would you like to snap or align the node's Transform the spline point.", "No", "Snap", "Snap and Align"))
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{
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case 1: SplinePoint point = addComp.GetPoint(pointIndex);
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node.transform.position = point.position;
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break;
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case 2:
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SplineSample result = addComp.Evaluate(pointIndex);
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node.transform.position = result.position;
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node.transform.rotation = result.rotation;
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break;
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}
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}
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computer.ConnectNode(node, pointIndex);
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addComp = null;
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addPoint = 0;
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SetDirty(node);
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SceneView.RepaintAll();
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Repaint();
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}
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}
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int[] GetAvailablePoints(SplineComputer computer)
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{
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List<int> indices = new List<int>();
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for (int i = 0; i < computer.pointCount; i++)
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{
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if (computer.GetNode(i) != null) continue;
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indices.Add(i);
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}
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return indices.ToArray();
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}
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protected virtual void DuringSceneGUI(SceneView current)
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{
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Node node = (Node)target;
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Node.Connection[] connections = node.GetConnections();
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for (int i = 0; i < connections.Length; i++)
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{
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DSSplineDrawer.DrawSplineComputer(connections[i].spline, 0.0, 1.0, 0.5f);
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}
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if (addComp == null)
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{
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if (connections.Length > 0)
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{
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bool bezier = false;
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for (int i = 0; i < connections.Length; i++)
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{
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if (connections[i].spline == null) continue;
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if (connections[i].spline.type == Spline.Type.Bezier)
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{
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bezier = true;
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continue;
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}
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}
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if (bezier && node.type == Node.Type.Smooth)
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{
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if (connections[0].spline != null)
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{
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SplinePoint point = node.GetPoint(0, true);
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Handles.DrawDottedLine(node.transform.position, point.tangent, 6f);
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Handles.DrawDottedLine(node.transform.position, point.tangent2, 6f);
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Vector3 lastPos = point.tangent;
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bool setPoint = false;
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point.SetTangentPosition(Handles.PositionHandle(point.tangent, node.transform.rotation));
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if (lastPos != point.tangent) setPoint = true;
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lastPos = point.tangent2;
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point.SetTangent2Position(Handles.PositionHandle(point.tangent2, node.transform.rotation));
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if (lastPos != point.tangent2) setPoint = true;
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if (setPoint)
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{
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node.SetPoint(0, point, true);
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node.UpdateConnectedComputers();
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SetDirty(node);
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}
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}
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}
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}
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return;
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}
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SplinePoint[] points = addComp.GetPoints();
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Transform camTransform = SceneView.currentDrawingSceneView.camera.transform;
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DSSplineDrawer.DrawSplineComputer(addComp, 0.0, 1.0, 0.5f);
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TextAnchor originalAlignment = GUI.skin.label.alignment;
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Color originalColor = GUI.skin.label.normal.textColor;
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GUI.skin.label.alignment = TextAnchor.MiddleCenter;
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GUI.skin.label.normal.textColor = addComp.editorPathColor;
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for (int i = 0; i < availablePoints.Length; i++)
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{
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if (addComp.isClosed && i == points.Length - 1) break;
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Handles.Label(points[i].position + Camera.current.transform.up * HandleUtility.GetHandleSize(points[i].position) * 0.3f, (i + 1).ToString());
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if (SplineEditorHandles.CircleButton(points[availablePoints[i]].position, Quaternion.LookRotation(-camTransform.forward, camTransform.up), HandleUtility.GetHandleSize(points[availablePoints[i]].position) * 0.1f, 2f, addComp.editorPathColor))
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{
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AddConnection(addComp, availablePoints[i]);
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break;
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}
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}
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GUI.skin.label.alignment = originalAlignment;
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GUI.skin.label.normal.textColor = originalColor;
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}
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public static void SetDirty(Node node)
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{
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EditorUtility.SetDirty(node);
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Node.Connection[] connections = node.GetConnections();
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for (int i = 0; i < connections.Length; i++)
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{
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EditorUtility.SetDirty(connections[i].spline);
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}
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}
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}
|
||
|
|
}
|