Merge branch 'release/v1.4.3' of github.com:mapbox/mapbox-unity-sdk into release/v1.4.3

* 'release/v1.4.3' of github.com:mapbox/mapbox-unity-sdk:
  Refactor ambient file caching to be compatible with 4.6 runtime (#825)

Author: abhishektrip

documentation/docs/05-changelog.md

@@ -14,6 +14,7 @@
 ##### Bug Fixes
 - Fix issue with UvModifier which caused wrong roof uv positions calculations.
 - Fix issue with data fetcher to handle failed connections properly, which caused IndexOutOfRangeException during tile loading/unloading.
+- Fix issue with ambient file caching on Windows with .NET4.6 runtime and long file names. https://github.com/mapbox/mapbox-unity-sdk/pull/825 https://github.com/mapbox/mapbox-unity-sdk/issues/815
 ##### Known Issues
 - ARInterface related errors and crashes on Unity 2018.1.1f1 related to bug in Unity  https://issuetracker.unity3d.com/issues/vuforia-gameobject-transforms-are-not-being-disabled-when-the-player-is-stopped
 

sdkproject/Assets/Mapbox/Core/mapbox-sdk-cs/Platform/Cache/CachingWebFileSource.cs

@@ -100,6 +100,14 @@ public void Clear()
 		}
 
 
+		public void ReInit() {
+			foreach (var cache in _caches)
+			{
+				cache.ReInit();
+			}
+		}
+
+
 		public IAsyncRequest Request(
 			string uri
 			, Action<Response> callback

sdkproject/Assets/Mapbox/Core/mapbox-sdk-cs/Platform/Cache/ICache.cs

@@ -14,6 +14,7 @@ public interface ICache
 		/// </summary>
 		uint MaxCacheSize { get; }
 
+
 		/// <summary>
 		/// Add tile data to the cache
 		/// </summary>
@@ -42,5 +43,11 @@ public interface ICache
 		/// </summary>
 		/// <param name="mapId"></param>
 		void Clear(string mapId);
+
+
+		/// <summary>
+		/// Reinitialize cache. Might be needed after 'Clear', eg for SQLiteCache
+		/// </summary>
+		void ReInit();
 	}
-}
+}

sdkproject/Assets/Mapbox/Core/mapbox-sdk-cs/Platform/Cache/MbTilesCache.cs

@@ -37,6 +37,12 @@ public uint MaxCacheSize
 		}
 
 
+		public void ReInit()
+		{
+			_cachedResponses = new Dictionary<string, CacheItem>();
+		}
+
+
 		public void Add(string mapdId, CanonicalTileId tileId, CacheItem item, bool forceInsert)
 		{
 			string key = mapdId + "||" + tileId;