From 903da8732de63ddbaf69fb86b07e48862c52293a Mon Sep 17 00:00:00 2001
From: Clansty <i@gao4.pw>
Date: Wed, 16 Oct 2024 19:23:32 +0800
Subject: [PATCH] [+] keep note speed when changed speed

---
 AquaMai/Utils/PractiseMode.cs   | 20 +++++++++++++++++++-
 AquaMai/Utils/PractiseModeUI.cs |  9 +++++++--
 2 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/AquaMai/Utils/PractiseMode.cs b/AquaMai/Utils/PractiseMode.cs
index ac92981c..8070d108 100644
--- a/AquaMai/Utils/PractiseMode.cs
+++ b/AquaMai/Utils/PractiseMode.cs
@@ -2,6 +2,7 @@
 using System.Collections;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Reflection;
 using AquaMai.Fix;
 using AquaMai.Helpers;
 using HarmonyLib;
@@ -20,7 +21,8 @@ public class PractiseMode
     public static float speed = 1;
     private static CriAtomExPlayer player;
     private static MovieMaterialMai2 movie;
-    private static GameCtrl gameCtrl;
+    public static GameCtrl gameCtrl;
+    public static bool keepNoteSpeed = false;
 
     public static void SetRepeatEnd(double time)
     {
@@ -116,6 +118,22 @@ public static double CurrentPlayMsec
 
     public static PractiseModeUI ui;
 
+    [HarmonyPatch]
+    public class PatchNoteSpeed
+    {
+        public static IEnumerable<MethodBase> TargetMethods()
+        {
+            yield return AccessTools.Method(typeof(GameManager), "GetNoteSpeed");
+            yield return AccessTools.Method(typeof(GameManager), "GetTouchSpeed");
+        }
+
+        public static void Postfix(ref float __result)
+        {
+            if (!keepNoteSpeed) return;
+            __result /= speed;
+        }
+    }
+
     [HarmonyPatch(typeof(GameProcess), "OnStart")]
     [HarmonyPostfix]
     public static void GameProcessPostStart()
diff --git a/AquaMai/Utils/PractiseModeUI.cs b/AquaMai/Utils/PractiseModeUI.cs
index 2e107828..b83b6971 100644
--- a/AquaMai/Utils/PractiseModeUI.cs
+++ b/AquaMai/Utils/PractiseModeUI.cs
@@ -82,8 +82,8 @@ public void OnGUI()
         GUI.Button(GetButtonRect(2, 2), Locale.SpeedUp);
         GUI.Button(GetButtonRect(1, 3), Locale.SpeedReset);
 
-        GUI.Label(GetButtonRect(0, 3), TimeSpan.FromMilliseconds(PractiseMode.CurrentPlayMsec).ToString(@"mm\:ss\.fff"));
-        GUI.Label(GetButtonRect(2, 3), TimeSpan.FromMilliseconds(NotesManager.Instance().getPlayFinalMsec()).ToString(@"mm\:ss\.fff"));
+        GUI.Label(GetButtonRect(0, 3), $"{TimeSpan.FromMilliseconds(PractiseMode.CurrentPlayMsec):mm\\:ss\\.fff}\n{TimeSpan.FromMilliseconds(NotesManager.Instance().getPlayFinalMsec()):mm\\:ss\\.fff}");
+        GUI.Button(GetButtonRect(2, 3), $"保持流速\n{(PractiseMode.keepNoteSpeed ? "ON" : "OFF")}");
     }
 
     public void Update()
@@ -131,6 +131,11 @@ public void Update()
         {
             PractiseMode.SpeedReset();
         }
+        else if (InputManager.GetTouchPanelAreaDown(InputManager.TouchPanelArea.E4))
+        {
+            PractiseMode.keepNoteSpeed = !PractiseMode.keepNoteSpeed;
+            PractiseMode.gameCtrl?.ResetOptionSpeed();
+        }
         else if (
             InputManager.GetTouchPanelAreaDown(InputManager.TouchPanelArea.A1) ||
             InputManager.GetTouchPanelAreaDown(InputManager.TouchPanelArea.A2) ||