96 lines
2.9 KiB
C#
96 lines
2.9 KiB
C#
using System.Collections.Generic;
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using JetBrains.Annotations;
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using UnityEditor;
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using UnityEditorInternal;
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using UnityEngine;
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using UTools = UnityEditor.Tools;
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namespace Game.NavigationTool.Editor.Tools
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{
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[UsedImplicitly]
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internal sealed class ToolUICanvasPicker : AbstractToolbarDrawer
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{
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public override bool Enabled => (UTools.visibleLayers & (1 << LayerMask.NameToLayer("UI"))) != 0;
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public override EToolbarPlacement Placement => EToolbarPlacement.Left;
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private static bool IS_DIRTY = true;
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private static string[] OPTIONS = new string[0];
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private static int[] INSTANCE_IDS = new int[0];
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private static void Initialize()
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{
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if (!IS_DIRTY)
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return;
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Canvas[] canvases = Object.FindObjectsOfType<Canvas>();
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var list = new List<Canvas>(canvases.Length);
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var listNames = new List<string>(canvases.Length);
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var listIds = new List<int>(canvases.Length);
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listNames.Add("Select");
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listIds.Add(-1);
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for (var i = 0; i < canvases.Length; i++)
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{
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Canvas root = canvases[i].rootCanvas;
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if (list.Contains(root))
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continue;
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list.Add(root);
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listNames.Add(root.name);
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listIds.Add(root.GetInstanceID());
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}
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OPTIONS = listNames.ToArray();
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INSTANCE_IDS = listIds.ToArray();
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IS_DIRTY = false;
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}
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public override void Update()
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{
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Initialize();
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}
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protected override void Draw(Rect rect)
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{
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Initialize();
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int temp = EditorGUI.Popup(rect, 0, OPTIONS, styles.popup);
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if (temp != 0 && OPTIONS.Length != 1)
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Focus(INSTANCE_IDS[temp]);
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}
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public override float CalculateWidth()
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{
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return 100.0f;
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}
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private static void Focus(int instanceId)
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{
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var canvas = EditorUtility.InstanceIDToObject(instanceId) as Canvas;
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if (canvas == null)
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return;
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Selection.activeObject = canvas;
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Bounds bounds = InternalEditorUtility.CalculateSelectionBounds(false, true, true);
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Vector3 point = bounds.center;
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Quaternion direction = canvas.transform.rotation;
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float size = Mathf.Max(bounds.extents.x, bounds.extents.y);
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bool ortho = canvas.renderMode == RenderMode.ScreenSpaceOverlay;
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for (var i = 0; i < SceneView.sceneViews.Count; i++)
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{
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var view = (SceneView)SceneView.sceneViews[i];
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view.in2DMode = false;
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view.LookAt(point, direction, size, ortho, false);
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}
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}
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public static void SetAsDirty()
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{
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IS_DIRTY = true;
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}
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}
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} |