From 558030f72a6c36cd84aa81b4e33bc490692ec0d5 Mon Sep 17 00:00:00 2001
From: Clansty <i@gao4.pw>
Date: Tue, 22 Apr 2025 22:08:29 +0800
Subject: [PATCH] [+] AntiLag

---
 AquaMai.Mods/Utils/AntiLag.cs | 44 +++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 AquaMai.Mods/Utils/AntiLag.cs

diff --git a/AquaMai.Mods/Utils/AntiLag.cs b/AquaMai.Mods/Utils/AntiLag.cs
new file mode 100644
index 00000000..a5ef174a
--- /dev/null
+++ b/AquaMai.Mods/Utils/AntiLag.cs
@@ -0,0 +1,44 @@
+using System.Runtime.InteropServices;
+using AquaMai.Config.Attributes;
+using HarmonyLib;
+using Main;
+using MelonLoader;
+using UnityEngine;
+
+namespace AquaMai.Mods.Utils;
+
+[ConfigSection(
+    en: "Some tricks to prevent the system from lagging",
+    zh: "奇妙的防掉帧，如果你有莫名其妙的掉帧，可以试试这个")]
+public class AntiLag : MonoBehaviour
+{
+    [HarmonyPostfix]
+    [HarmonyPatch(typeof(GameMainObject), "Awake")]
+    public static void OnGameMainObjectAwake()
+    {
+        var go = new GameObject("妙妙防掉帧");
+        go.AddComponent<AntiLag>();
+    }
+
+    private void Awake()
+    {
+        InvokeRepeating(nameof(OnTimer), 10f, 10f);
+    }
+
+    [DllImport("user32.dll", EntryPoint = "keybd_event", SetLastError = true)]
+    private static extern void keybd_event(uint bVk, byte bScan, uint dwFlags, uint dwExtraInfo);
+
+    const int KEYEVENTF_KEYDOWN = 0x0000;
+    const int KEYEVENTF_KEYUP = 0x0002;
+    const int CTRL = 17;
+
+    private void OnTimer()
+    {
+        if (!Application.isFocused) return;
+#if DEBUG
+        MelonLogger.Msg("[AntiLag] Trigger");
+#endif
+        keybd_event(CTRL, 0, KEYEVENTF_KEYDOWN, 0);
+        keybd_event(CTRL, 0, KEYEVENTF_KEYUP, 0);
+    }
+}
\ No newline at end of file