283 lines
11 KiB
C#
283 lines
11 KiB
C#
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// Animancer // https://kybernetik.com.au/animancer // Copyright 2018-2023 Kybernetik //
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#if UNITY_EDITOR
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using System;
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using System.Collections.Generic;
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using UnityEditor;
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using UnityEditorInternal;
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using UnityEngine;
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using Object = UnityEngine.Object;
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namespace Animancer.Editor.Tools
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{
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/// <summary>[Editor-Only] [Pro-Only]
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/// An <see cref="EditorWindow"/> with various utilities for managing sprites and generating animations.
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/// </summary>
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/// <remarks>
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/// Documentation: <see href="https://kybernetik.com.au/animancer/docs/manual/tools">Animancer Tools</see>
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/// </remarks>
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/// https://kybernetik.com.au/animancer/api/Animancer.Editor.Tools/AnimancerToolsWindow
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///
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public sealed partial class AnimancerToolsWindow : EditorWindow
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{
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/************************************************************************************************************************/
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/// <summary>The display name of this window.</summary>
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public const string Name = "Animancer Tools";
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/// <summary>The singleton instance of this window.</summary>
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public static AnimancerToolsWindow Instance { get; private set; }
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[SerializeReference] private List<Tool> _Tools;
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[SerializeField] private Vector2 _Scroll;
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[SerializeField] private int _CurrentTool = -1;
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/************************************************************************************************************************/
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private SerializedObject _SerializedObject;
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private SerializedObject SerializedObject
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=> _SerializedObject ?? (_SerializedObject = new SerializedObject(this));
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/// <summary>Returns the <see cref="SerializedProperty"/> which represents the specified `tool`.</summary>
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public SerializedProperty FindSerializedPropertyForTool(Tool tool)
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{
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var index = _Tools.IndexOf(tool);
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var property = SerializedObject.FindProperty(nameof(_Tools));
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return property.GetArrayElementAtIndex(index);
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}
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/************************************************************************************************************************/
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private void OnEnable()
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{
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titleContent = new GUIContent(Name);
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Instance = this;
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InitializeTools();
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Undo.undoRedoPerformed += Repaint;
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OnSelectionChange();
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}
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/************************************************************************************************************************/
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private void InitializeTools()
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{
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if (_Tools == null)
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{
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_Tools = new List<Tool>();
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}
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else
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{
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for (int i = _Tools.Count - 1; i >= 0; i--)
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if (_Tools[i] == null)
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_Tools.RemoveAt(i);
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}
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var toolTypes = TypeSelectionButton.GetDerivedTypes(typeof(Tool));
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for (int i = 0; i < toolTypes.Count; i++)
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{
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var toolType = toolTypes[i];
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if (IndexOfTool(toolType) >= 0)
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continue;
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var tool = (Tool)Activator.CreateInstance(toolType);
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_Tools.Add(tool);
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}
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_Tools.Sort();
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for (int i = 0; i < _Tools.Count; i++)
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_Tools[i].OnEnable(i);
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}
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/************************************************************************************************************************/
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private int IndexOfTool(Type type)
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{
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for (int i = 0; i < _Tools.Count; i++)
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if (_Tools[i].GetType() == type)
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return i;
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return -1;
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}
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/************************************************************************************************************************/
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private void OnDisable()
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{
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Undo.undoRedoPerformed -= Repaint;
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for (int i = 0; i < _Tools.Count; i++)
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_Tools[i].OnDisable();
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if (_SerializedObject != null)
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{
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_SerializedObject.Dispose();
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_SerializedObject = null;
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}
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}
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/************************************************************************************************************************/
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private void OnSelectionChange()
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{
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for (int i = 0; i < _Tools.Count; i++)
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_Tools[i].OnSelectionChanged();
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Repaint();
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}
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/************************************************************************************************************************/
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private void OnGUI()
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{
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EditorGUIUtility.labelWidth = Mathf.Min(EditorGUIUtility.labelWidth, position.width * 0.5f);
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_Scroll = GUILayout.BeginScrollView(_Scroll);
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GUILayout.BeginVertical();
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GUILayout.EndVertical();
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for (int i = 0; i < _Tools.Count; i++)
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_Tools[i].DoGUI();
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GUILayout.EndScrollView();
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}
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/************************************************************************************************************************/
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/// <summary>Causes this window to redraw its GUI.</summary>
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public static new void Repaint() => ((EditorWindow)Instance).Repaint();
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/// <summary>Calls <see cref="Undo.RecordObject(Object, string)"/> for this window.</summary>
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public static void RecordUndo() => Undo.RecordObject(Instance, Name);
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/************************************************************************************************************************/
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/// <summary>Calls <see cref="EditorGUI.BeginChangeCheck"/>.</summary>
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public static void BeginChangeCheck() => EditorGUI.BeginChangeCheck();
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/// <summary>Calls <see cref="EditorGUI.EndChangeCheck"/> and <see cref="RecordUndo"/> if it returned true.</summary>
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public static bool EndChangeCheck()
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{
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if (EditorGUI.EndChangeCheck())
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{
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RecordUndo();
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return true;
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}
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else return false;
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}
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/// <summary>Calls <see cref="EndChangeCheck"/> and sets the <c>field = value</c> if it returned true.</summary>
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public static bool EndChangeCheck<T>(ref T field, T value)
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{
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if (EndChangeCheck())
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{
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field = value;
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return true;
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}
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else return false;
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}
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/************************************************************************************************************************/
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/// <summary>Creates and initializes a new <see cref="ReorderableList"/>.</summary>
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public static ReorderableList CreateReorderableList<T>(
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List<T> list, string name, ReorderableList.ElementCallbackDelegate drawElementCallback, bool showFooter = false)
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{
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var reorderableList = new ReorderableList(list, typeof(T))
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{
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drawHeaderCallback = (area) => GUI.Label(area, name),
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drawElementCallback = drawElementCallback,
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elementHeight = EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing,
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};
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if (!showFooter)
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{
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reorderableList.footerHeight = 0;
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reorderableList.displayAdd = false;
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reorderableList.displayRemove = false;
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}
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return reorderableList;
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}
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/************************************************************************************************************************/
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/// <summary>Creates and initializes a new <see cref="ReorderableList"/> for <see cref="Sprite"/>s.</summary>
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public static ReorderableList CreateReorderableObjectList<T>(
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List<T> objects, string name, bool showFooter = false)
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where T : Object
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{
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var reorderableList = CreateReorderableList(objects, name, (area, index, isActive, isFocused) =>
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{
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area.y = Mathf.Ceil(area.y + EditorGUIUtility.standardVerticalSpacing * 0.5f);
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area.height = EditorGUIUtility.singleLineHeight;
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BeginChangeCheck();
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var obj = (T)EditorGUI.ObjectField(area, objects[index], typeof(T), false);
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if (EndChangeCheck())
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{
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objects[index] = obj;
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}
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}, showFooter);
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if (showFooter)
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{
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reorderableList.onAddCallback = (list) => list.list.Add(null);
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}
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return reorderableList;
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}
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/************************************************************************************************************************/
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/// <summary>Creates a new <see cref="ReorderableList"/> for <see cref="string"/>s.</summary>
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public static ReorderableList CreateReorderableStringList(
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List<string> strings, string name, Func<Rect, int, string> doElementGUI)
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{
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return CreateReorderableList(strings, name, (area, index, isActive, isFocused) =>
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{
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area.y = Mathf.Ceil(area.y + EditorGUIUtility.standardVerticalSpacing * 0.5f);
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area.height = EditorGUIUtility.singleLineHeight;
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BeginChangeCheck();
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var str = doElementGUI(area, index);
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if (EndChangeCheck())
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{
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strings[index] = str;
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}
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});
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}
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/// <summary>Creates a new <see cref="ReorderableList"/> for <see cref="string"/>s.</summary>
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public static ReorderableList CreateReorderableStringList(List<string> strings, string name)
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{
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return CreateReorderableStringList(strings, name, (area, index) =>
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{
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return EditorGUI.TextField(area, strings[index]);
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});
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}
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/************************************************************************************************************************/
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/// <summary>Opens the <see cref="AnimancerToolsWindow"/>.</summary>
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[MenuItem(Strings.AnimancerToolsMenuPath)]
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public static void Open() => GetWindow<AnimancerToolsWindow>();
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/// <summary>Opens the <see cref="AnimancerToolsWindow"/> showing the specified `tool`.</summary>
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public static void Open(Type toolType)
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{
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var window = GetWindow<AnimancerToolsWindow>();
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window._CurrentTool = window.IndexOfTool(toolType);
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}
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/************************************************************************************************************************/
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}
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}
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#endif
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