34 lines
914 B
C#
34 lines
914 B
C#
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using UnityEngine;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace VLB
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{
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/// <summary>
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/// Highlight in red in inspector in not set
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/// </summary>
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public sealed class HighlightNullAttribute : PropertyAttribute { }
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#if UNITY_EDITOR
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[CustomPropertyDrawer(typeof(HighlightNullAttribute))]
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public class HighlightNullDrawer : PropertyDrawer
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{
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public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
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{
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if (property.propertyType != SerializedPropertyType.ObjectReference)
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{
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EditorGUI.LabelField(position, label.text, "Only valid for object references");
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return;
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}
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if (property.objectReferenceValue == null)
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EditorGUI.DrawRect(position, Color.red);
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EditorGUI.ObjectField(position, property, label);
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}
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}
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#endif
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}
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