720 lines
29 KiB
C#
720 lines
29 KiB
C#
// Animancer // https://kybernetik.com.au/animancer // Copyright 2018-2023 Kybernetik //
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#if UNITY_EDITOR
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using Animancer.Editor.Tools;
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using Animancer.Units;
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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 UnityEngine;
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using Object = UnityEngine.Object;
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namespace Animancer.Editor
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{
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/// <summary>[Editor-Only]
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/// A custom Inspector for <see cref="Sprite"/>s which allows you to directly edit them instead of just showing
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/// their details like the default one does.
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/// </summary>
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/// https://kybernetik.com.au/animancer/api/Animancer.Editor/SpriteEditor
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///
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[CustomEditor(typeof(Sprite), true), CanEditMultipleObjects]
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public class SpriteEditor : UnityEditor.Editor
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{
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/************************************************************************************************************************/
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private const string
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NameTooltip = "The asset name of the sprite",
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RectTooltip = "The texture area occupied by the sprite",
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PivotTooltip = "The origin point of the sprite relative to its Rect",
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BorderTooltip = "The edge sizes used when 9-Slicing the sprite for the UI system (ignored by SpriteRenderers)";
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[NonSerialized]
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private SerializedProperty
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_Name,
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_Rect,
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_Pivot,
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_Border;
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[NonSerialized]
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private NormalizedPixelField[]
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_RectFields,
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_PivotFields,
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_BorderFields;
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[NonSerialized]
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private bool _HasBeenModified;
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[NonSerialized]
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private Target[] _Targets;
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private readonly struct Target
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{
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public readonly Sprite Sprite;
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public readonly string AssetPath;
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public readonly TextureImporter Importer;
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public Target(Object target)
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{
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Sprite = target as Sprite;
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AssetPath = AssetDatabase.GetAssetPath(target);
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Importer = AssetImporter.GetAtPath(AssetPath) as TextureImporter;
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}
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}
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/************************************************************************************************************************/
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/// <summary>Initializes this editor.</summary>
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protected virtual void OnEnable()
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{
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var targets = this.targets;
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_Targets = new Target[targets.Length];
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for (int i = 0; i < targets.Length; i++)
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_Targets[i] = new Target(targets[i]);
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InitializePreview();
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_Name = serializedObject.FindProperty($"m{nameof(_Name)}");
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_Rect = serializedObject.FindProperty($"m{nameof(_Rect)}");
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if (_Rect != null)
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{
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_RectFields = new NormalizedPixelField[]
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{
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new NormalizedPixelField(_Rect.FindPropertyRelative(nameof(Rect.x)), new GUIContent("X (Left)",
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"The distance from the left edge of the texture to the left edge of the sprite"), false),
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new NormalizedPixelField(_Rect.FindPropertyRelative(nameof(Rect.y)), new GUIContent("Y (Bottom)",
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"The distance from the bottom edge of the texture to the bottom edge of the sprite"), false),
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new NormalizedPixelField(_Rect.FindPropertyRelative(nameof(Rect.width)), new GUIContent("Width",
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"The horizontal size of the sprite"), false),
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new NormalizedPixelField(_Rect.FindPropertyRelative(nameof(Rect.height)), new GUIContent("Height",
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"The vertical size of the sprite"), false),
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};
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}
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_Pivot = serializedObject.FindProperty($"m{nameof(_Pivot)}");
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if (_Pivot != null)
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{
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_PivotFields = new NormalizedPixelField[]
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{
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new NormalizedPixelField(_Pivot.FindPropertyRelative(nameof(Vector2.x)), new GUIContent("X",
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"The horizontal distance from the left edge of the sprite to the pivot point"), true),
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new NormalizedPixelField(_Pivot.FindPropertyRelative(nameof(Vector2.y)), new GUIContent("Y",
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"The vertical distance from the bottom edge of the sprite to the pivot point"), true),
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};
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}
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_Border = serializedObject.FindProperty($"m{nameof(_Border)}");
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if (_Border != null)
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{
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_BorderFields = new NormalizedPixelField[]
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{
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new NormalizedPixelField(_Border.FindPropertyRelative(nameof(Vector4.x)), new GUIContent("Left",
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BorderTooltip), false),
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new NormalizedPixelField(_Border.FindPropertyRelative(nameof(Vector4.y)), new GUIContent("Bottom",
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BorderTooltip), false),
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new NormalizedPixelField(_Border.FindPropertyRelative(nameof(Vector4.z)), new GUIContent("Right",
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BorderTooltip), false),
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new NormalizedPixelField(_Border.FindPropertyRelative(nameof(Vector4.w)), new GUIContent("Top",
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BorderTooltip), false),
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};
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}
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}
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/************************************************************************************************************************/
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/// <summary>Cleans up this editor.</summary>
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protected virtual void OnDisable()
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{
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CleanUpPreview();
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if (_HasBeenModified)
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{
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var sprite = target as Sprite;
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if (sprite == null)
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return;
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if (EditorUtility.DisplayDialog("Unapplied Import Settings",
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$"Unapplied import settings for '{sprite.name}' in '{AssetDatabase.GetAssetPath(sprite)}'",
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nameof(Apply), nameof(Revert)))
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Apply();
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}
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}
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/************************************************************************************************************************/
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#region Inspector
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/************************************************************************************************************************/
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/// <summary>Are all targets set to <see cref="SpriteImportMode.Multiple"/>?</summary>
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private bool AllSpriteModeMultiple
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{
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get
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{
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for (int i = 0; i < _Targets.Length; i++)
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{
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var importer = _Targets[i].Importer;
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if (importer == null ||
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importer.spriteImportMode != SpriteImportMode.Multiple)
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return false;
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}
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return true;
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}
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}
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/************************************************************************************************************************/
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/// <summary>Called by the Unity editor to draw the custom Inspector GUI elements.</summary>
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public override void OnInspectorGUI()
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{
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EditorGUI.BeginChangeCheck();
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DoNameGUI();
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// If any target isn't set to Multiple, disable the GUI because only renaming will work.
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var enabled = GUI.enabled;
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if (!AllSpriteModeMultiple)
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GUI.enabled = false;
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DoRectGUI();
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DoPivotGUI();
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DoBorderGUI();
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GUI.enabled = enabled;
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if (EditorGUI.EndChangeCheck())
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_HasBeenModified = true;
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GUILayout.Space(AnimancerGUI.StandardSpacing);
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GUILayout.BeginHorizontal();
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{
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GUILayout.FlexibleSpace();
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GUI.enabled = _HasBeenModified;
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if (GUILayout.Button(nameof(Revert)))
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Revert();
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if (GUILayout.Button(nameof(Apply)))
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Apply();
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}
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GUILayout.EndHorizontal();
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}
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/************************************************************************************************************************/
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private void DoNameGUI()
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{
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GUILayout.BeginHorizontal();
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var enabled = GUI.enabled;
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if (_Name.hasMultipleDifferentValues)
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GUI.enabled = false;
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using (ObjectPool.Disposable.AcquireContent(out var label, "Name", NameTooltip))
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EditorGUILayout.PropertyField(_Name, label, true);
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GUI.enabled = true;
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var changed = EditorGUI.EndChangeCheck();// Exclude the Rename button from the main change check.
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if (GUILayout.Button("Rename Tool", EditorStyles.miniButton, AnimancerGUI.DontExpandWidth))
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AnimancerToolsWindow.Open(typeof(RenameSpritesTool));
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EditorGUI.BeginChangeCheck();
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if (changed)
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GUI.changed = true;
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GUI.enabled = enabled;
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GUILayout.EndHorizontal();
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}
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/************************************************************************************************************************/
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private void DoRectGUI()
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{
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var texture = ((Sprite)target).texture;
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_RectFields[0].normalizeMultiplier = _RectFields[2].normalizeMultiplier = 1f / texture.width;
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_RectFields[1].normalizeMultiplier = _RectFields[3].normalizeMultiplier = 1f / texture.height;
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using (ObjectPool.Disposable.AcquireContent(out var label, "Rect", RectTooltip))
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NormalizedPixelField.DoGroupGUI(_Rect, label, _RectFields);
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}
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/************************************************************************************************************************/
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private void DoPivotGUI()
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{
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var showMixedValue = EditorGUI.showMixedValue;
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var targets = this.targets;
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var size = targets[0] is Sprite sprite ? sprite.rect.size : Vector2.one;
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for (int i = 1; i < targets.Length; i++)
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{
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sprite = targets[i] as Sprite;
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if (sprite == null || !sprite.rect.size.Equals(size))
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EditorGUI.showMixedValue = true;
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}
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_PivotFields[0].normalizeMultiplier = 1f / size.x;
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_PivotFields[1].normalizeMultiplier = 1f / size.y;
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using (ObjectPool.Disposable.AcquireContent(out var label, "Pivot", PivotTooltip))
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NormalizedPixelField.DoGroupGUI(_Pivot, label, _PivotFields);
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EditorGUI.showMixedValue = showMixedValue;
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}
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/************************************************************************************************************************/
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private void DoBorderGUI()
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{
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var size = _Rect.rectValue.size;
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_BorderFields[0].normalizeMultiplier = _BorderFields[2].normalizeMultiplier = 1f / size.x;
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_BorderFields[1].normalizeMultiplier = _BorderFields[3].normalizeMultiplier = 1f / size.y;
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using (ObjectPool.Disposable.AcquireContent(out var label, "Border", BorderTooltip))
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NormalizedPixelField.DoGroupGUI(_Border, label, _BorderFields);
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}
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/************************************************************************************************************************/
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private void Revert()
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{
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AnimancerGUI.Deselect();
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_HasBeenModified = false;
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serializedObject.Update();
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}
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/************************************************************************************************************************/
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private void Apply()
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{
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AnimancerGUI.Deselect();
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_HasBeenModified = false;
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var targets = this.targets;
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var hasError = false;
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for (int i = 0; i < _Targets.Length; i++)
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{
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var target = _Targets[i];
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if (target.Sprite == null ||
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target.Importer == null)
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continue;
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var data = new SpriteDataEditor(target.Importer);
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Apply(data, target.Sprite, ref hasError);
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if (!hasError)
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data.Apply();
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}
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for (int i = 0; i < targets.Length; i++)
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if (targets[i] == null)
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return;
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serializedObject.Update();
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}
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/************************************************************************************************************************/
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private void Apply(SpriteDataEditor data, Sprite sprite, ref bool hasError)
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{
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if (data.SpriteCount == 0)
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{
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if (!_Name.hasMultipleDifferentValues)
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{
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var path = AssetDatabase.GetAssetPath(sprite);
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if (path != null)
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{
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AssetDatabase.RenameAsset(path, _Name.stringValue);
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hasError = true;// Don't apply the importer.
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}
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}
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return;
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}
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var index = data.IndexOf(sprite);
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if (index < 0)
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{
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hasError = true;
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return;
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}
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if (!_Name.hasMultipleDifferentValues)
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data.SetName(index, _Name.stringValue);
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if (!_Rect.hasMultipleDifferentValues)
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data.SetRect(index, _Rect.rectValue);
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if (!_Pivot.hasMultipleDifferentValues)
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data.SetPivot(index, _Pivot.vector2Value);
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if (!_Border.hasMultipleDifferentValues)
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data.SetBorder(index, _Border.vector4Value);
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if (!data.ValidateBounds(index, sprite))
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hasError = true;
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}
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/************************************************************************************************************************/
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#region Normalized Pixel Field
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/************************************************************************************************************************/
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/// <summary>
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/// A wrapper around a <see cref="SerializedProperty"/> to display it using two float fields where one is
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/// normalized and the other is not.
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/// </summary>
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private class NormalizedPixelField
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{
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/************************************************************************************************************************/
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/// <summary>The target property.</summary>
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public readonly SerializedProperty Property;
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/// <summary>The label to display next to the property.</summary>
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public readonly GUIContent Label;
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/// <summary>Is the serialized property value normalized?</summary>
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public readonly bool IsNormalized;
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/// <summary>The multiplier to turn a non-normalized value into a normalized one.</summary>
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public float normalizeMultiplier;
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/************************************************************************************************************************/
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/// <summary>Creates a new <see cref="NormalizedPixelField"/>.</summary>
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public NormalizedPixelField(SerializedProperty property, GUIContent label, bool isNormalized)
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{
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Property = property;
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Label = label;
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IsNormalized = isNormalized;
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}
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/************************************************************************************************************************/
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/// <summary>Draws a group of <see cref="NormalizedPixelField"/>s.</summary>
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public static void DoGroupGUI(SerializedProperty baseProperty, GUIContent label, NormalizedPixelField[] fields)
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{
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var height = (AnimancerGUI.LineHeight + AnimancerGUI.StandardSpacing) * (fields.Length + 1);
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var area = GUILayoutUtility.GetRect(0, height);
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area.height = AnimancerGUI.LineHeight;
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label = EditorGUI.BeginProperty(area, label, baseProperty);
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GUI.Label(area, label);
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EditorGUI.EndProperty();
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EditorGUI.indentLevel++;
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for (int i = 0; i < fields.Length; i++)
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{
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AnimancerGUI.NextVerticalArea(ref area);
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fields[i].DoTwinFloatFieldGUI(area);
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}
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EditorGUI.indentLevel--;
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}
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/************************************************************************************************************************/
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/// <summary>Draws this <see cref="NormalizedPixelField"/>.</summary>
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public void DoTwinFloatFieldGUI(Rect area)
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{
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var drawer = IsNormalized ?
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NormalizedPixelFieldAttribute.Normalized :
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NormalizedPixelFieldAttribute.Pixel;
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drawer.CalculateMultipliers(normalizeMultiplier);
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drawer.OnGUI(area, Property, Label);
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}
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/************************************************************************************************************************/
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}
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/************************************************************************************************************************/
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#endregion
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/************************************************************************************************************************/
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#region Normalized Pixel Field Attribute
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/************************************************************************************************************************/
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private class NormalizedPixelFieldAttribute : UnitsAttribute
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{
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/************************************************************************************************************************/
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private static new readonly float[] Multipliers = new float[2];
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public void CalculateMultipliers(float normalizeMultiplier)
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{
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if (UnitIndex == 0)// Pixels.
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{
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Multipliers[0] = 1;
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Multipliers[1] = normalizeMultiplier;
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}
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else// Normalized.
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{
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Multipliers[0] = 1f / normalizeMultiplier;
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Multipliers[1] = 1;
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}
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}
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/************************************************************************************************************************/
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private static new readonly CompactUnitConversionCache[] DisplayConverters =
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{
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new CompactUnitConversionCache("px"),
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AnimationTimeAttribute.XSuffix,
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};
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/************************************************************************************************************************/
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public static readonly NormalizedPixelFieldAttribute Pixel = new NormalizedPixelFieldAttribute(false);
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public static readonly NormalizedPixelFieldAttribute Normalized = new NormalizedPixelFieldAttribute(true);
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/************************************************************************************************************************/
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public NormalizedPixelFieldAttribute(bool isNormalized)
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{
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#if UNITY_EDITOR
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SetUnits(Multipliers, DisplayConverters, isNormalized ? 1 : 0);
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Rule = Validate.Value.IsFinite;
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#endif
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}
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/************************************************************************************************************************/
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/// <inheritdoc/>
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protected override int GetLineCount(SerializedProperty property, GUIContent label) => 1;
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/************************************************************************************************************************/
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}
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/************************************************************************************************************************/
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#endregion
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/************************************************************************************************************************/
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#endregion
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/************************************************************************************************************************/
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#region Preview
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/************************************************************************************************************************/
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private static readonly Type
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DefaultEditorType = typeof(UnityEditor.Editor).Assembly.GetType("UnityEditor.SpriteInspector");
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private readonly Dictionary<Object, UnityEditor.Editor>
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TargetToDefaultEditor = new Dictionary<Object, UnityEditor.Editor>();
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/************************************************************************************************************************/
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private void InitializePreview()
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{
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foreach (var target in targets)
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{
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if (!TargetToDefaultEditor.ContainsKey(target))
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{
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var editor = CreateEditor(target, DefaultEditorType);
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TargetToDefaultEditor.Add(target, editor);
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}
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}
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}
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/************************************************************************************************************************/
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private void CleanUpPreview()
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{
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foreach (var editor in TargetToDefaultEditor.Values)
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DestroyImmediate(editor);
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TargetToDefaultEditor.Clear();
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}
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/************************************************************************************************************************/
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private bool TryGetDefaultEditor(out UnityEditor.Editor editor)
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=> TargetToDefaultEditor.TryGetValue(target, out editor);
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/************************************************************************************************************************/
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/// <inheritdoc/>
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public override string GetInfoString()
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{
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if (!TryGetDefaultEditor(out var editor))
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return null;
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return editor.GetInfoString();
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}
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/************************************************************************************************************************/
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/// <inheritdoc/>
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public override Texture2D RenderStaticPreview(string assetPath, Object[] subAssets, int width, int height)
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{
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if (!TryGetDefaultEditor(out var editor))
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return null;
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return editor.RenderStaticPreview(assetPath, subAssets, width, height);
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}
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/************************************************************************************************************************/
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/// <inheritdoc/>
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public override bool HasPreviewGUI()
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{
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return TryGetDefaultEditor(out var editor) && editor.HasPreviewGUI();
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}
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/************************************************************************************************************************/
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/// <inheritdoc/>
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public override void OnPreviewGUI(Rect area, GUIStyle background)
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{
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if (TryGetDefaultEditor(out var editor))
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editor.OnPreviewGUI(area, background);
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var sprite = target as Sprite;
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if (sprite == null)
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return;
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EditorGUI.BeginChangeCheck();
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FitAspectRatio(ref area, sprite);
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DoPivotDotGUI(area, sprite);
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if (EditorGUI.EndChangeCheck())
|
|
_HasBeenModified = true;
|
|
}
|
|
|
|
/************************************************************************************************************************/
|
|
|
|
private static void FitAspectRatio(ref Rect area, Sprite sprite)
|
|
{
|
|
var areaAspect = area.width / area.height;
|
|
var spriteAspect = sprite.rect.width / sprite.rect.height;
|
|
if (areaAspect != spriteAspect)
|
|
{
|
|
if (areaAspect > spriteAspect)
|
|
{
|
|
var width = area.height * spriteAspect;
|
|
area.x += (area.width - width) * 0.5f;
|
|
area.width = width;
|
|
}
|
|
else
|
|
{
|
|
var height = area.width / spriteAspect;
|
|
area.y += (area.height - height) * 0.5f;
|
|
area.height = height;
|
|
}
|
|
}
|
|
}
|
|
|
|
/************************************************************************************************************************/
|
|
|
|
private static readonly int PivotDotControlIDHint = "PivotDot".GetHashCode();
|
|
|
|
private static GUIStyle _PivotDot;
|
|
private static GUIStyle _PivotDotActive;
|
|
|
|
[NonSerialized] private Vector2 _MouseDownPivot;
|
|
|
|
private void DoPivotDotGUI(Rect area, Sprite sprite)
|
|
{
|
|
if (_PivotDot == null)
|
|
_PivotDot = "U2D.pivotDot";
|
|
if (_PivotDotActive == null)
|
|
_PivotDotActive = "U2D.pivotDotActive";
|
|
|
|
Vector2 pivot;
|
|
if (_Pivot.hasMultipleDifferentValues)
|
|
{
|
|
pivot = sprite.pivot;
|
|
pivot.x /= sprite.rect.width;
|
|
pivot.y /= sprite.rect.height;
|
|
}
|
|
else
|
|
{
|
|
pivot = _Pivot.vector2Value;
|
|
}
|
|
pivot.x *= area.width;
|
|
pivot.y *= area.height;
|
|
|
|
var pivotArea = new Rect(
|
|
area.x + pivot.x - _PivotDot.fixedWidth * 0.5f,
|
|
area.yMax - pivot.y - _PivotDot.fixedHeight * 0.5f,
|
|
_PivotDot.fixedWidth,
|
|
_PivotDot.fixedHeight);
|
|
|
|
var controlID = GUIUtility.GetControlID(PivotDotControlIDHint, FocusType.Keyboard);
|
|
|
|
var currentEvent = Event.current;
|
|
switch (currentEvent.GetTypeForControl(controlID))
|
|
{
|
|
case EventType.MouseDown:
|
|
if (currentEvent.button == 0 && pivotArea.Contains(Event.current.mousePosition) && !currentEvent.alt)
|
|
{
|
|
GUIUtility.hotControl = GUIUtility.keyboardControl = controlID;
|
|
_MouseDownPivot = pivot;
|
|
currentEvent.Use();
|
|
}
|
|
break;
|
|
|
|
case EventType.MouseDrag:
|
|
if (GUIUtility.hotControl == controlID)
|
|
{
|
|
pivot = Event.current.mousePosition;
|
|
pivot.x = InverseLerpUnclamped(area.x, area.xMax, pivot.x);
|
|
pivot.y = InverseLerpUnclamped(area.yMax, area.y, pivot.y);
|
|
|
|
if (currentEvent.control)
|
|
{
|
|
pivot.x = Mathf.Round(pivot.x * sprite.rect.width) / sprite.rect.width;
|
|
pivot.y = Mathf.Round(pivot.y * sprite.rect.height) / sprite.rect.height;
|
|
}
|
|
|
|
_Pivot.vector2Value = pivot;
|
|
|
|
GUI.changed = true;
|
|
currentEvent.Use();
|
|
}
|
|
break;
|
|
|
|
case EventType.MouseUp:
|
|
if (GUIUtility.hotControl == controlID && (currentEvent.button == 0 || currentEvent.button == 2))
|
|
{
|
|
GUIUtility.hotControl = 0;
|
|
currentEvent.Use();
|
|
}
|
|
break;
|
|
|
|
case EventType.KeyDown:
|
|
if (GUIUtility.hotControl == controlID && currentEvent.keyCode == KeyCode.Escape)
|
|
{
|
|
_Pivot.vector2Value = _MouseDownPivot;
|
|
GUIUtility.hotControl = 0;
|
|
GUI.changed = true;
|
|
currentEvent.Use();
|
|
}
|
|
break;
|
|
|
|
case EventType.Repaint:
|
|
EditorGUIUtility.AddCursorRect(pivotArea, MouseCursor.Arrow, controlID);
|
|
var style = GUIUtility.hotControl == controlID ? _PivotDotActive : _PivotDot;
|
|
style.Draw(pivotArea, GUIContent.none, controlID);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/************************************************************************************************************************/
|
|
|
|
/// <summary>The opposite of <see cref="Mathf.LerpUnclamped(float, float, float)"/>.</summary>
|
|
public static float InverseLerpUnclamped(float a, float b, float value)
|
|
{
|
|
if (a == b)
|
|
return 0;
|
|
else
|
|
return (value - a) / (b - a);
|
|
}
|
|
|
|
/************************************************************************************************************************/
|
|
#endregion
|
|
/************************************************************************************************************************/
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|