Upgraded original RothenburgAR to Unity version 2017.4.5f1 (and upgrading from standalone vuforia to the version integrated in unity)

Assets/AssetBundleManager/AssetBundleLoadOperation.cs

@@ -0,0 +1,220 @@
+using UnityEngine;
+using System.Collections;
+
+namespace AssetBundles
+{
+	public abstract class AssetBundleLoadOperation : IEnumerator
+	{
+		public object Current
+		{
+			get
+			{
+				return null;
+			}
+		}
+		public bool MoveNext()
+		{
+			return !IsDone();
+		}
+		
+		public void Reset()
+		{
+		}
+		
+		abstract public bool Update ();
+		
+		abstract public bool IsDone ();
+	}
+	
+	#if UNITY_EDITOR
+	public class AssetBundleLoadLevelSimulationOperation : AssetBundleLoadOperation
+	{	
+		AsyncOperation m_Operation = null;
+	
+	
+		public AssetBundleLoadLevelSimulationOperation (string assetBundleName, string levelName, bool isAdditive)
+		{
+			string[] levelPaths = UnityEditor.AssetDatabase.GetAssetPathsFromAssetBundleAndAssetName(assetBundleName, levelName);
+			if (levelPaths.Length == 0)
+			{
+				///@TODO: The error needs to differentiate that an asset bundle name doesn't exist
+				//        from that there right scene does not exist in the asset bundle...
+				
+				Debug.LogError("There is no scene with name \"" + levelName + "\" in " + assetBundleName);
+				return;
+			}
+			
+			if (isAdditive)
+				m_Operation = UnityEditor.EditorApplication.LoadLevelAdditiveAsyncInPlayMode(levelPaths[0]);
+			else
+				m_Operation = UnityEditor.EditorApplication.LoadLevelAsyncInPlayMode(levelPaths[0]);
+		}
+		
+		public override bool Update ()
+		{
+			return false;
+		}
+		
+		public override bool IsDone ()
+		{		
+			return m_Operation == null || m_Operation.isDone;
+		}
+	}
+	
+	#endif
+	public class AssetBundleLoadLevelOperation : AssetBundleLoadOperation
+	{
+		protected string 				m_AssetBundleName;
+		protected string 				m_LevelName;
+		protected bool 					m_IsAdditive;
+		protected string 				m_DownloadingError;
+		protected AsyncOperation		m_Request;
+	
+		public AssetBundleLoadLevelOperation (string assetbundleName, string levelName, bool isAdditive)
+		{
+			m_AssetBundleName = assetbundleName;
+			m_LevelName = levelName;
+			m_IsAdditive = isAdditive;
+		}
+	
+		public override bool Update ()
+		{
+			if (m_Request != null)
+				return false;
+			
+			LoadedAssetBundle bundle = AssetBundleManager.GetLoadedAssetBundle (m_AssetBundleName, out m_DownloadingError);
+			if (bundle != null)
+			{
+				if (m_IsAdditive)
+					m_Request = Application.LoadLevelAdditiveAsync (m_LevelName);
+				else
+					m_Request = Application.LoadLevelAsync (m_LevelName);
+				return false;
+			}
+			else
+				return true;
+		}
+		
+		public override bool IsDone ()
+		{
+			// Return if meeting downloading error.
+			// m_DownloadingError might come from the dependency downloading.
+			if (m_Request == null && m_DownloadingError != null)
+			{
+				Debug.LogError(m_DownloadingError);
+				return true;
+			}
+			
+			return m_Request != null && m_Request.isDone;
+		}
+	}
+	
+	public abstract class AssetBundleLoadAssetOperation : AssetBundleLoadOperation
+	{
+		public abstract T GetAsset<T>() where T : UnityEngine.Object;
+	}
+	
+	public class AssetBundleLoadAssetOperationSimulation : AssetBundleLoadAssetOperation
+	{
+		Object							m_SimulatedObject;
+		
+		public AssetBundleLoadAssetOperationSimulation (Object simulatedObject)
+		{
+			m_SimulatedObject = simulatedObject;
+		}
+		
+		public override T GetAsset<T>()
+		{
+			return m_SimulatedObject as T;
+		}
+		
+		public override bool Update ()
+		{
+			return false;
+		}
+		
+		public override bool IsDone ()
+		{
+			return true;
+		}
+	}
+	
+	public class AssetBundleLoadAssetOperationFull : AssetBundleLoadAssetOperation
+	{
+		protected string 				m_AssetBundleName;
+		protected string 				m_AssetName;
+		protected string 				m_DownloadingError;
+		protected System.Type 			m_Type;
+		protected AssetBundleRequest	m_Request = null;
+	
+		public AssetBundleLoadAssetOperationFull (string bundleName, string assetName, System.Type type)
+		{
+			m_AssetBundleName = bundleName;
+			m_AssetName = assetName;
+			m_Type = type;
+		}
+		
+		public override T GetAsset<T>()
+		{
+			if (m_Request != null && m_Request.isDone)
+				return m_Request.asset as T;
+			else
+				return null;
+		}
+		
+		// Returns true if more Update calls are required.
+		public override bool Update ()
+		{
+			if (m_Request != null)
+				return false;
+	
+			LoadedAssetBundle bundle = AssetBundleManager.GetLoadedAssetBundle (m_AssetBundleName, out m_DownloadingError);
+			if (bundle != null)
+			{
+				///@TODO: When asset bundle download fails this throws an exception...
+				m_Request = bundle.m_AssetBundle.LoadAssetAsync (m_AssetName, m_Type);
+				return false;
+			}
+			else
+			{
+				return true;
+			}
+		}
+		
+		public override bool IsDone ()
+		{
+			// Return if meeting downloading error.
+			// m_DownloadingError might come from the dependency downloading.
+			if (m_Request == null && m_DownloadingError != null)
+			{
+				Debug.LogError(m_DownloadingError);
+				return true;
+			}
+	
+			return m_Request != null && m_Request.isDone;
+		}
+	}
+	
+	public class AssetBundleLoadManifestOperation : AssetBundleLoadAssetOperationFull
+	{
+		public AssetBundleLoadManifestOperation (string bundleName, string assetName, System.Type type)
+			: base(bundleName, assetName, type)
+		{
+		}
+	
+		public override bool Update ()
+		{
+			base.Update();
+			
+			if (m_Request != null && m_Request.isDone)
+			{
+				AssetBundleManager.AssetBundleManifestObject = GetAsset<AssetBundleManifest>();
+				return false;
+			}
+			else
+				return true;
+		}
+	}
+	
+	
+}