Created
March 5, 2020 10:10
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| #if UNITY_EDITOR && ODIN_INSPECTOR | |
| using System; | |
| using Sirenix.OdinInspector; | |
| using Sirenix.OdinInspector.Editor; | |
| using UnityEngine.AddressableAssets; | |
| using Sirenix.Utilities.Editor; | |
| using UnityEngine; | |
| #if ODIN_VALIDATOR | |
| using System.Reflection; | |
| using Sirenix.OdinInspector.Editor.Validation; | |
| using Utils.OdinInspector; | |
| [assembly: RegisterValidator(typeof(RequiredAssetReferenceValidator<>))] | |
| #endif | |
| namespace Utils.OdinInspector { | |
| [AttributeUsage(AttributeTargets.All, AllowMultiple = false, Inherited = true)] | |
| public sealed class RequiredAssetReferenceAttribute : Attribute { | |
| public string ErrorMessage = "AssetReference is required!"; | |
| public InfoMessageType MessageType; | |
| public RequiredAssetReferenceAttribute() => this.MessageType = InfoMessageType.Error; | |
| public RequiredAssetReferenceAttribute(string errorMessage, InfoMessageType messageType) { | |
| this.ErrorMessage = errorMessage; | |
| this.MessageType = messageType; | |
| } | |
| public RequiredAssetReferenceAttribute(string errorMessage) { | |
| this.ErrorMessage = errorMessage; | |
| this.MessageType = InfoMessageType.Error; | |
| } | |
| public RequiredAssetReferenceAttribute(InfoMessageType messageType) => this.MessageType = messageType; | |
| } | |
| public sealed class RequiredAttributeForAssetReferenceDrawer<T> : OdinAttributeDrawer<RequiredAttribute, T> { | |
| protected override void DrawPropertyLayout(GUIContent label) { | |
| var valueType = this.ValueEntry.TypeOfValue; | |
| if (typeof(AssetReference).IsAssignableFrom(valueType)) | |
| SirenixEditorGUI.ErrorMessageBox("[Required] is not suitable for AssetReference, please use [RequiredAssetReference]"); | |
| this.CallNextDrawer(label); | |
| } | |
| } | |
| #if !ODIN_VALIDATOR | |
| public sealed class RequiredAssetReferenceAttributeDrawer<T> : OdinAttributeDrawer<RequiredAssetReferenceAttribute, T> where T : AssetReference { | |
| protected override void DrawPropertyLayout(GUIContent label) { | |
| if (ValueEntry.SmartValue.RuntimeKeyIsValid() == false) { | |
| if (Attribute.MessageType == InfoMessageType.Error) | |
| SirenixEditorGUI.ErrorMessageBox(Attribute.ErrorMessage); | |
| else if (Attribute.MessageType == InfoMessageType.Warning) | |
| SirenixEditorGUI.WarningMessageBox(Attribute.ErrorMessage); | |
| else if (Attribute.MessageType == InfoMessageType.Info) | |
| SirenixEditorGUI.InfoMessageBox(Attribute.ErrorMessage); | |
| } | |
| try { | |
| this.CallNextDrawer(label); | |
| } | |
| catch (ArgumentException aex) { | |
| // When deleting valid asset reference: | |
| // ArgumentException: Getting control 1's position in a group with only 1 controls when doing repaint | |
| // So lets hack | |
| if (aex.Message.StartsWith("Getting control") == false) | |
| throw aex; | |
| } | |
| } | |
| } | |
| #else | |
| /// <summary> | |
| /// Validator and ErrorBox drawer | |
| /// </summary> | |
| /// <typeparam name="T"></typeparam> | |
| public sealed class RequiredAssetReferenceValidator<T> : AttributeValidator<RequiredAssetReferenceAttribute, T> where T : AssetReference { | |
| protected override void Validate(object parentInstance, T memberValue, MemberInfo member, ValidationResult result) { | |
| if (memberValue.RuntimeKeyIsValid()) { | |
| result.ResultType = ValidationResultType.Valid; | |
| } | |
| else if (Attribute.MessageType != InfoMessageType.Info) { | |
| result.ResultType = Attribute.MessageType == InfoMessageType.Error ? ValidationResultType.Error : ValidationResultType.Warning; | |
| result.Message = Attribute.ErrorMessage; | |
| } | |
| } | |
| } | |
| #endif | |
| #endif | |
| } |
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