From 1da838227dd033970d64f5bdb036f14906d10361 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kamil=20Trzci=C5=84ski?= <ayufan@ayufan.eu>
Date: Mon, 19 Dec 2022 11:58:48 +0100
Subject: [PATCH] Require to acknowledge `Anti-Cheat` impact on `FanControl`

---
 FanControl/FanControlForm.cs | 63 ++++++++++++++++++++++++++++++++----
 FanControl/FanController.cs  | 17 ++++++++--
 FanControl/Settings.cs       | 11 +++++++
 3 files changed, 82 insertions(+), 9 deletions(-)

diff --git a/FanControl/FanControlForm.cs b/FanControl/FanControlForm.cs
index 8a80502..4b95720 100644
--- a/FanControl/FanControlForm.cs
+++ b/FanControl/FanControlForm.cs
@@ -55,18 +55,21 @@ namespace FanControl
                 fanModeSelectMenu.Items.Add(item);
             }
 
-            setFanMode(Settings.Default.FanMode);
-
             propertyGrid1.SelectedObject = fanControl;
             propertyGrid1.ExpandAllGridItems();
 
-            notifyIcon.ShowBalloonTip(3000, Text, "Fan Control Started", ToolTipIcon.Info);
-
             Microsoft.Win32.SystemEvents.PowerModeChanged += SystemEvents_PowerModeChanged;
 
             Opacity = 0;
         }
 
+        protected override void OnLoad(EventArgs e)
+        {
+            base.OnLoad(e);
+            setFanMode(Settings.Default.FanMode, !Settings.Default.AckAntiCheat);
+            notifyIcon.ShowBalloonTip(3000, Text, "Fan Control Started", ToolTipIcon.Info);
+        }
+
         protected override void OnShown(EventArgs e)
         {
             base.OnShown(e);
@@ -74,6 +77,36 @@ namespace FanControl
             Opacity = 100;
         }
 
+        private bool AckAntiCheat()
+        {
+            if (Settings.Default.AckAntiCheat && Settings.Default.EnableExperimentalFeatures)
+                return true;
+
+            var result = MessageBox.Show(
+                String.Join("\n",
+                    "WARNING!!!!",
+                    "",
+                    "Usage of SteamOS or Max Fan Curve might trigger anti-cheat protection in some games.",
+                    "This might result in kicking from the application or even be banned.",
+                    "",
+                    "Ensure that you USE DEFAULT FAN when playing games with ANTI-CHEAT PROTECTION.",
+                    "",
+                    "CLICK YES TO ACKNOWLEDGE?",
+                    "CLICK NO TO LEARN MORE."
+                ), Text, MessageBoxButtons.YesNo
+            );
+
+            if (result == DialogResult.Yes)
+            {
+                Settings.Default.AckAntiCheat = true;
+                return true;
+            }
+
+            try { System.Diagnostics.Process.Start("explorer.exe", "https://steam-deck-tools.ayufan.dev/#anti-cheat-and-antivirus-software"); }
+            catch { }
+            return false;
+        }
+
         private void SystemEvents_PowerModeChanged(object sender, Microsoft.Win32.PowerModeChangedEventArgs e)
         {
             // Restore fan mode on resume
@@ -84,8 +117,14 @@ namespace FanControl
             }
         }
 
-        private void setFanMode(FanMode mode)
+        private void setFanMode(FanMode mode, bool requireAck = true)
         {
+            if (mode != FanMode.Default && mode != fanControl.Mode)
+            {
+                if (requireAck && !AckAntiCheat())
+                    return;
+            }
+
             fanControl.SetMode(mode);
             Settings.Default.FanMode = mode;
 
@@ -157,8 +196,20 @@ namespace FanControl
             if (fanControl is null)
                 return;
 
-            SharedData_Update();
+            try
+            {
+                fanLoopTimer.Enabled = false;
+                SharedData_Update();
+            }
+            finally
+            {
+                fanLoopTimer.Enabled = true;
+            }
+#if DEBUG
             fanControl.Update(Visible);
+#else
+            fanControl.Update();
+#endif
         }
 
         private void propertyGridUpdateTimer_Tick(object sender, EventArgs e)
diff --git a/FanControl/FanController.cs b/FanControl/FanController.cs
index ed6feae..d0b1f6a 100644
--- a/FanControl/FanController.cs
+++ b/FanControl/FanController.cs
@@ -17,7 +17,13 @@ namespace FanControl
     internal partial class FanController : IDisposable
     {
         [CategoryAttribute("Fan")]
-        public FanMode Mode { get; private set; }
+        public FanMode Mode { get; private set; } = FanMode.Default;
+
+        [CategoryAttribute("Fan")]
+        public bool KernelDriversLoaded
+        {
+            get => Instance.UseKernelDrivers;
+        }
 
         [CategoryAttribute("Fan")]
         [NotifyParentProperty(true)]
@@ -71,12 +77,13 @@ namespace FanControl
             return rpm;
         }
 
+        [Browsable(false)]
         public bool IsActive
         {
             get { return Vlv0100.IsOpen; }
         }
 
-        public void Update(bool visible)
+        public void Update(bool showForDefault = false)
         {
             var mutex = Instance.WaitGlobalMutex(200);
             if (mutex is null)
@@ -88,9 +95,13 @@ namespace FanControl
 
             try
             {
-                if (Mode == FanMode.Default && !visible)
+                if (!Settings.Default.AckAntiCheat || Mode == FanMode.Default && !showForDefault)
                 {
                     Instance.UseKernelDrivers = false;
+                    CurrentRPM = null;
+                    DesiredRPM = 0;
+                    foreach (var sensor in allSensors.Values)
+                        sensor.Reset();
                     return;
                 }
                 else if (!Vlv0100.IsOpen)
diff --git a/FanControl/Settings.cs b/FanControl/Settings.cs
index 04ae3c4..776f67e 100644
--- a/FanControl/Settings.cs
+++ b/FanControl/Settings.cs
@@ -22,5 +22,16 @@ namespace FanControl
             get { return Get<bool>("AlwaysOnTop", true); }
             set { Set("AlwaysOnTop", value); }
         }
+
+        public bool EnableExperimentalFeatures
+        {
+            get { return Instance.IsDEBUG; }
+        }
+
+        public bool AckAntiCheat
+        {
+            get { return Get<bool>("AckAntiCheat", false); }
+            set { Set("AckAntiCheat", value); }
+        }
     }
 }