Fix HDRP template input not working when using the new Input System a…

…nd no Keyboard/Mouse (Unity-Technologies#6045)

* Fix issues where we were using Keyboard.current and Mouse.current without checking if they were valid.

* Updated changelog

* Missed lines from my fix.

* Update CHANGELOG.md

Co-authored-by: sebastienlagarde <sebastien@unity3d.com>

com.unity.template-hd/Assets/SampleSceneAssets/Scripts/LookWithMouse.cs

@@ -26,7 +26,7 @@ void Start()
     // Update is called once per frame
     void Update()
     {
-        bool unlockPressed, lockPressed;
+        bool unlockPressed = false, lockPressed = false;
 
 #if ENABLE_INPUT_SYSTEM
         float mouseX = 0, mouseY = 0;
@@ -36,23 +36,25 @@ void Update()
             var delta = Mouse.current.delta.ReadValue() / 15.0f;
             mouseX += delta.x;
             mouseY += delta.y;
+            lockPressed = Mouse.current.leftButton.wasPressedThisFrame || Mouse.current.rightButton.wasPressedThisFrame;
         }
         if (Gamepad.current != null)
         {
             var value = Gamepad.current.rightStick.ReadValue() * 2;
             mouseX += value.x;
             mouseY += value.y;
         }
-
-        unlockPressed = Keyboard.current.escapeKey.wasPressedThisFrame;
-        lockPressed = Mouse.current.leftButton.wasPressedThisFrame || Mouse.current.rightButton.wasPressedThisFrame;
+        if (Keyboard.current != null)
+        {
+            unlockPressed = Keyboard.current.escapeKey.wasPressedThisFrame;
+        }
 
         mouseX *= mouseSensitivity * k_MouseSensitivityMultiplier;
         mouseY *= mouseSensitivity * k_MouseSensitivityMultiplier;
 #else
         float mouseX = Input.GetAxis("Mouse X") * mouseSensitivity * k_MouseSensitivityMultiplier;
         float mouseY = Input.GetAxis("Mouse Y") * mouseSensitivity * k_MouseSensitivityMultiplier;
-        
+
         unlockPressed = Input.GetKeyDown(KeyCode.Escape);
         lockPressed = Input.GetMouseButtonDown(0) || Input.GetMouseButtonDown(1);
 #endif

com.unity.template-hd/Packages/com.unity.template.hd/CHANGELOG.md

@@ -6,8 +6,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [13.2.0] - 2021-18-10
 
-Version Updated
-The version number for this package has increased due to a version update of a related graphics package.
+### Fixed
+- Fixed new input system codepath not working if you had a controller but no keyboard or mouse.
 
 ## [13.1.0] - 2021-09-28