Create DeviceTypeDetector.cs

Author: RimuruDev

DeviceTypeDetector.cs

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+// **************************************************************** //
+//
+//   Copyright (c) RimuruDev. All rights reserved.
+//   Contact me: 
+//          - Gmail:    rimuru.dev@gmail.com
+//          - LinkedIn: https://www.linkedin.com/in/rimuru/
+//          - GitHub:   https://github.com/RimuruDev
+//
+// **************************************************************** //
+
+using System;
+using UnityEngine;
+
+#if UNITY_EDITOR
+using UnityEditor;
+using UnityEditor.DeviceSimulation;
+#endif
+
+namespace RimuruDev
+{
+    [Flags]
+    [Serializable]
+    public enum CurrentDeviceType : byte
+    {
+        WebPC = 0,
+        WebMobile = 2,
+    }
+
+    [SelectionBase]
+    [DisallowMultipleComponent]
+    [DefaultExecutionOrder(-100)]
+    [HelpURL("https://github.com/RimuruDev/Unity-WEBGL-DeviceTypeDetector")]
+    public sealed class DeviceTypeDetector : MonoBehaviour
+    {
+        [field: SerializeField] public CurrentDeviceType CurrentDeviceType { get; private set; }
+
+#if UNITY_2020_1_OR_NEWER
+        [SerializeField] private bool enableDeviceSimulator = true;
+#endif
+        private void Awake()
+        {
+            if (IsMobile() && enableDeviceSimulator)
+            {
+                Debug.Log("WEBGL -> Mobile");
+                CurrentDeviceType = CurrentDeviceType.WebMobile;
+            }
+            else
+            {
+                Debug.Log("WEBGL -> PC");
+                CurrentDeviceType = CurrentDeviceType.WebPC;
+            }
+        }
+
+#if UNITY_EDITOR
+        public static bool IsMobile()
+        {
+#if UNITY_2020_1_OR_NEWER
+            if (DeviceSimulatorExists() && IsDeviceSimulationActive())
+                return true;
+#endif
+            return false;
+        }
+
+        private static bool DeviceSimulatorExists()
+        {
+            var simulatorType = typeof(Editor).Assembly.GetType("UnityEditor.DeviceSimulation.DeviceSimulator");
+            return simulatorType != null;
+        }
+
+        private static bool IsDeviceSimulationActive()
+        {
+            var simulatorType = typeof(Editor).Assembly.GetType("UnityEditor.DeviceSimulation.DeviceSimulator");
+            if (simulatorType != null)
+            {
+                var simulatorInstance = simulatorType.GetProperty("instance", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public)?.GetValue(null);
+                var isDeviceActive = simulatorType.GetProperty("isDeviceActive", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance)?.GetValue(simulatorInstance);
+                return (bool)isDeviceActive;
+            }
+            return false;
+        }
+#else
+        [System.Runtime.InteropServices.DllImport("__Internal")]
+        public static extern bool IsMobile();
+#endif
+    }
+}