[TASK] Initial commit with basic product setup

Assets/Mapbox SDK/Mapbox/Unity/Map/TileProviders/GlobeTileProvider.cs

@@ -0,0 +1,34 @@
+using System.Collections.Generic;
+using Mapbox.Map;
+using Mapbox.Utils;
+
+namespace Mapbox.Unity.Map.TileProviders
+{
+	public class GlobeTileProvider : AbstractTileProvider
+	{
+		public override void OnInitialized()
+		{
+			_currentExtent.activeTiles = new HashSet<UnwrappedTileId>();
+		}
+
+		public override void UpdateTileExtent()
+		{
+			// HACK: don't allow too many tiles to be requested.
+			if (_map.AbsoluteZoom > 5)
+			{
+				throw new System.Exception("Too many tiles! Use a lower zoom level!");
+			}
+
+			var tileCover = TileCover.Get(Vector2dBounds.World(), _map.AbsoluteZoom);
+			foreach (var tile in tileCover)
+			{
+				_currentExtent.activeTiles.Add(new UnwrappedTileId(tile.Z, tile.X, tile.Y));
+			}
+			OnExtentChanged();
+		}
+		public override bool Cleanup(UnwrappedTileId tile)
+		{
+			return (!_currentExtent.activeTiles.Contains(tile));
+		}
+	}
+}