OpenSourceInitializer.cs

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/*===============================================================================
Copyright (c) 2017 PTC Inc. All Rights Reserved.

Confidential and Proprietary - Protected under copyright and other laws.
Vuforia is a trademark of PTC Inc., registered in the United States and other 
countries.
===============================================================================*/

using System.Linq;
using UnityEditor;
using UnityEngine;
using Vuforia;
using Vuforia.EditorClasses;

[InitializeOnLoad]
public static class OpenSourceInitializer
{
    static OpenSourceInitializer()
    {
        GameObjectFactory.SetDefaultBehaviourTypeConfiguration(new DefaultBehaviourAttacher());
        ReplacePlaceHolders();
    }

    static void ReplacePlaceHolders()
    {
        var trackablePlaceholders = Object.FindObjectsOfType<DefaultTrackableBehaviourPlaceholder>().ToList();
        var initErrorsPlaceholders = Object.FindObjectsOfType<DefaultInitializationErrorHandlerPlaceHolder>().ToList();
        
        trackablePlaceholders.ForEach(ReplaceTrackablePlaceHolder);
        initErrorsPlaceholders.ForEach(ReplaceInitErrorPlaceHolder);
    }
    
    static void ReplaceTrackablePlaceHolder(DefaultTrackableBehaviourPlaceholder placeHolder)
    {
        var go = placeHolder.gameObject;
        go.AddComponent<DefaultTrackableEventHandler>();

        Object.DestroyImmediate(placeHolder);
    }

    static void ReplaceInitErrorPlaceHolder(DefaultInitializationErrorHandlerPlaceHolder placeHolder)
    {
        var go = placeHolder.gameObject;
        go.AddComponent<DefaultInitializationErrorHandler>();

        Object.DestroyImmediate(placeHolder);
    }

    class DefaultBehaviourAttacher : IDefaultBehaviourAttacher
    {
        public void AddDefaultTrackableBehaviour(GameObject go)
        {
            go.AddComponent<DefaultTrackableEventHandler>();
        }

        public void AddDefaultInitializationErrorHandler(GameObject go)
        {
            go.AddComponent<DefaultInitializationErrorHandler>();
        }
    }
}