Optimize code structure for input module.

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

@@ -4,28 +4,22 @@ using System.Reflection;
 
 namespace Cryville.Common.Unity.Input {
 	public class InputManager {
-		static readonly List<Type> HandlerRegistries = new List<Type> {
+		static readonly HashSet<Type> HandlerRegistries = new HashSet<Type> {
 			typeof(WindowsPointerHandler),
 			typeof(UnityKeyHandler<UnityKeyboardReceiver>),
 			typeof(UnityKeyHandler<UnityMouseButtonReceiver>),
 			typeof(UnityMouseHandler),
 			typeof(UnityTouchHandler),
 		};
-		readonly List<InputHandler> _handlers = new List<InputHandler>();
+		readonly HashSet<InputHandler> _handlers = new HashSet<InputHandler>();
 		readonly Dictionary<Type, InputHandler> _typemap = new Dictionary<Type, InputHandler>();
-		readonly Dictionary<InputHandler, double> _timeOrigins = new Dictionary<InputHandler, double>();
-		readonly object _lock = new object();
-		readonly Dictionary<InputIdentifier, InputVector> _vectors = new Dictionary<InputIdentifier, InputVector>();
-		readonly List<InputEvent> _events = new List<InputEvent>();
 		public InputManager() {
 			foreach (var t in HandlerRegistries) {
 				try {
 					if (!typeof(InputHandler).IsAssignableFrom(t)) continue;
 					var h = (InputHandler)ReflectionHelper.InvokeEmptyConstructor(t);
 					_typemap.Add(t, h);
-					h.OnInput += OnInput;
 					_handlers.Add(h);
-					_timeOrigins.Add(h, 0);
 					Logger.Log("main", 1, "Input", "Initialized {0}", ReflectionHelper.GetSimpleName(t));
 				}
 				catch (TargetInvocationException ex) {
@@ -36,49 +30,8 @@ namespace Cryville.Common.Unity.Input {
 		public InputHandler GetHandler(string name) {
 			return _typemap[Type.GetType(name)];
 		}
-		public void Activate() {
-			lock (_lock) {
-				_events.Clear();
-			}
-			foreach (var h in _handlers) h.Activate();
-		}
-		public void SyncTime(double time) {
-			foreach (var h in _handlers) {
-				_timeOrigins[h] = time - h.GetCurrentTimestamp();
-			}
-		}
-		public void Deactivate() {
-			foreach (var h in _handlers) h.Deactivate();
-		}
-		void OnInput(InputIdentifier id, InputVector vec) {
-			lock (_lock) {
-				double timeOrigin = _timeOrigins[id.Source.Handler];
-				vec.Time += timeOrigin;
-				InputVector vec0;
-				if (_vectors.TryGetValue(id, out vec0)) {
-					_events.Add(new InputEvent {
-						Id = id,
-						From = vec0,
-						To = vec,
-					});
-					if (vec.IsNull) _vectors.Remove(id);
-					else _vectors[id] = vec;
-				}
-				else {
-					_events.Add(new InputEvent {
-						Id = id,
-						From = new InputVector(vec.Time),
-						To = vec,
-					});
-					_vectors.Add(id, vec);
-				}
-			}
-		}
-		public void EnumerateEvents(Action<InputEvent> cb) {
-			lock (_lock) {
-				foreach (var ev in _events) cb(ev);
-				_events.Clear();
-			}
+		public void EnumerateHandlers(Action<InputHandler> cb) {
+			foreach (var h in _handlers) cb(h);
 		}
 	}