ReadOnlyProperty

gistfile1.cs

using System;
using UnityEngine;
#if UNITY_EDITOR
using UnityEditor;
#endif
public abstract class ReadOnlyPropertyAttribute : PropertyAttribute
{
	public string Displayname { get; private set; }
	public ReadOnlyPropertyAttribute( string displayName )
	{
		this.Displayname = displayName;
	}
}

public class ReadOnlyObjectAttribute : ReadOnlyPropertyAttribute
{
	public ReadOnlyObjectAttribute( string displayName ) : base( displayName )
	{
		
	}
}

public class ReadOnlyVector3Attribute : ReadOnlyPropertyAttribute
{
	public ReadOnlyVector3Attribute( string displayName ) : base( displayName )
	{
		
	}
}


#if UNITY_EDITOR
// [AS] Property drawers go here ============================================================================================
[ CustomPropertyDrawer( typeof( ReadOnlyObjectAttribute ) ) ]
public class ReadOnlyObjectDrawer : PropertyDrawer
{
	public override void OnGUI( Rect position, SerializedProperty prop, GUIContent label )
	{
		EditorGUI.ObjectField( position, ( attribute as ReadOnlyPropertyAttribute ).Displayname + " (Read Only)", prop.objectReferenceValue, typeof( System.Object ), true );
	}
}

[ CustomPropertyDrawer( typeof( ReadOnlyVector3Attribute ) ) ]
public class ReadOnlyVector3Drawer : PropertyDrawer
{
	public override void OnGUI( Rect position, SerializedProperty prop, GUIContent label )
	{
		EditorGUI.Vector3Field( position, ( attribute as ReadOnlyPropertyAttribute ).Displayname + " (Read Only)", prop.vector3Value );
	}
	
	public override float GetPropertyHeight( SerializedProperty property, GUIContent label )
	{
		return base.GetPropertyHeight( property, label ) * 2.0f;
	}
}

// ==================================================================================================================================
#endif