chunk 1: core gameplay scripts scenes runtime assets

Assets/Scripts/Input/OnScreenPulseControl.cs

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+using System.Collections;
+using UnityEngine;
+using UnityEngine.InputSystem.OnScreen;
+using UnityEngine.InputSystem.Layouts;
+
+namespace DeviantMobile.Input
+{
+    // A lightweight on-screen control we can pulse to simulate a button press.
+    [AddComponentMenu("Input/On-Screen Pulse Control")]
+    public class OnScreenPulseControl : OnScreenControl
+    {
+        // Shows an Input Control picker in the inspector; default layout Button.
+        [SerializeField]
+        [InputControl(layout = "Button")]
+        private string m_ControlPath;
+
+        protected override string controlPathInternal
+        {
+            get => m_ControlPath;
+            set => m_ControlPath = value;
+        }
+
+        public void Pulse(float value = 1f, float duration = 0.05f)
+        {
+            // Send press then release after duration
+            SendValueToControl(value);
+            if (duration > 0f)
+                // Use unscaled time so UI pulses are consistent across timeScale changes.
+                StartCoroutine(ReleaseAfter(duration));
+            else
+                SendValueToControl(0f);
+        }
+
+        private IEnumerator ReleaseAfter(float duration)
+        {
+            // Use real-time wait to avoid being affected by Time.timeScale changes.
+            yield return new WaitForSecondsRealtime(duration);
+            SendValueToControl(0f);
+        }
+    }
+}