Backport: add auto-enable option to input handler (#424)

Author: glabute

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Timeline guards added to scripts that rely on it.
 - Bugfix: CinemachineInputProvider now correctly tracks enabled state of input action
 - Bugfix: POV orientation was incorrect with World Up override
+- Added AutoEnable option to CinemachineInputHandler
 
 
 ## [2.6.11] - 2021-10-05

Runtime/Helpers/CinemachineInputProvider.cs

@@ -24,6 +24,10 @@ public class CinemachineInputProvider : MonoBehaviour, AxisState.IInputAxisProvi
             + "be read from that player's controls")]
         public int PlayerIndex = -1;
 
+        /// <summary>If set, Input Actions will be auto-enabled at start</summary>
+        [Tooltip("If set, Input Actions will be auto-enabled at start")]
+        public bool AutoEnableInputs = true;
+
         /// <summary>Vector2 action for XY movement</summary>
         [Tooltip("Vector2 action for XY movement")]
         public InputActionReference XYAxis;
@@ -81,10 +85,10 @@ protected InputAction ResolveForPlayer(int axis, InputActionReference actionRef)
             {
                 m_cachedActions[axis] = actionRef.action;
                 if (PlayerIndex != -1)
-                {
-                    var user = InputUser.all[PlayerIndex];
-                    m_cachedActions[axis] = user.actions.First(x => x.id == actionRef.action.id);
-                }
+                    m_cachedActions[axis] = GetFirstMatch(InputUser.all[PlayerIndex], actionRef);
+        
+                if (AutoEnableInputs && actionRef != null && actionRef.action != null)
+                    actionRef.action.Enable();
             }
 
             // Update enabled status