Implement input proxy. Change input callback delegate to event. Prevents repeated (de)activation.

Assets/Cryville/Common/Unity/Input/UnityMouseHandler.cs

@@ -12,18 +12,18 @@ namespace Cryville.Common.Unity.Input {
 			}
 		}
 
-		public override void Activate() {
+		protected override void ActivateImpl() {
 			receiver = new GameObject("__mouserecv__");
 			receiver.AddComponent<UnityMouseReceiver>().SetHandler(this);
 		}
 
-		public override void Deactivate() {
+		protected override void DeactivateImpl() {
 			if (receiver) GameObject.Destroy(receiver);
 		}
 
 		public override void Dispose(bool disposing) {
 			if (disposing) {
-				Deactivate();
+				DeactivateImpl();
 			}
 		}
 
@@ -57,7 +57,7 @@ namespace Cryville.Common.Unity.Input {
 				double time = Time.timeAsDouble;
 				Vector2 pos = unity::Input.mousePosition;
 				pos.y = Screen.height - pos.y;
-				handler.OnInput(0, 0, new InputVector(time, pos));
+				handler.Feed(0, 0, new InputVector(time, pos));
 			}
 		}
 	}