[TASK] Initial commit with basic product setup

Assets/Mapbox SDK/Mapbox/Unity/SourceLayers/AbstractLayer.cs

@@ -0,0 +1,55 @@
+namespace Mapbox.Unity.Map
+{
+	using Mapbox.Unity.MeshGeneration.Factories;
+	using Mapbox.Unity.MeshGeneration.Interfaces;
+	using Mapbox.Unity.MeshGeneration.Modifiers;
+
+	public class LayerUpdateArgs : System.EventArgs
+	{
+		public AbstractTileFactory factory;
+		public MapboxDataProperty property;
+		public bool effectsVectorLayer;
+	}
+
+	public class VectorLayerUpdateArgs : LayerUpdateArgs
+	{
+		public LayerVisualizerBase visualizer;
+		public ModifierBase modifier;
+	}
+
+	public class AbstractLayer
+	{
+		public event System.EventHandler UpdateLayer;
+		protected virtual void NotifyUpdateLayer(LayerUpdateArgs layerUpdateArgs)
+		{
+			System.EventHandler handler = UpdateLayer;
+			if (handler != null)
+			{
+				handler(this, layerUpdateArgs);
+			}
+		}
+		protected virtual void NotifyUpdateLayer(AbstractTileFactory factory, MapboxDataProperty prop, bool effectsVectorLayer = false)
+		{
+			System.EventHandler handler = UpdateLayer;
+			if (handler != null)
+			{
+				LayerUpdateArgs layerUpdateArgs =
+					(factory is VectorTileFactory) ?
+					new VectorLayerUpdateArgs
+					{
+						factory = factory,
+						effectsVectorLayer = effectsVectorLayer,
+						property = prop
+					}
+					:
+					new LayerUpdateArgs
+					{
+						factory = factory,
+						effectsVectorLayer = effectsVectorLayer,
+						property = prop
+					};
+				handler(this, layerUpdateArgs);
+			}
+		}
+	}
+}