From fb65a34684733eef724055a83b394f4bb811f46a Mon Sep 17 00:00:00 2001
From: chinosk <2248589280@qq.com>
Date: Sat, 25 May 2024 00:00:46 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=20fps=20=E8=AE=BE=E7=BD=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/src/main/AndroidManifest.xml              |  4 +++
 app/src/main/cpp/GakumasLocalify/Hook.cpp     |  7 ++++
 .../cpp/GakumasLocalify/config/Config.cpp     |  2 ++
 .../cpp/GakumasLocalify/config/Config.hpp     |  1 +
 .../chinosk/gakumas/localify/MainActivity.kt  | 19 +++++++++++
 .../gakumas/localify/models/GakumasConfig.kt  |  3 +-
 app/src/main/res/layout/activity_main.xml     | 34 +++++++++++++++++--
 app/src/main/res/values/strings.xml           |  1 +
 8 files changed, 67 insertions(+), 4 deletions(-)

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 35891d6..a2f6ff8 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -25,6 +25,10 @@
             android:name="xposedsharedprefs"
             android:value="true" />
 
+        <meta-data
+            android:name="xposedscope"
+            android:value="com.bandainamcoent.idolmaster_gakuen" />
+
         <activity
             android:name=".MainActivity"
             android:exported="true"
diff --git a/app/src/main/cpp/GakumasLocalify/Hook.cpp b/app/src/main/cpp/GakumasLocalify/Hook.cpp
index 5cac003..4240d2b 100644
--- a/app/src/main/cpp/GakumasLocalify/Hook.cpp
+++ b/app/src/main/cpp/GakumasLocalify/Hook.cpp
@@ -130,6 +130,11 @@ namespace GakumasLocal::HookMain {
         return Unity_set_rotation_Injected_Orig(_this, value);
     }
 
+    DEFINE_HOOK(void, Unity_set_targetFrameRate, (int value)) {
+        const auto configFps = Config::targetFrameRate;
+        return Unity_set_targetFrameRate_Orig(configFps == 0 ? value: configFps);
+    }
+
     std::unordered_map<void*, std::string> loadHistory{};
 
     DEFINE_HOOK(void*, AssetBundle_LoadAssetAsync, (void* _this, Il2cppString* name, void* type)) {
@@ -365,6 +370,8 @@ namespace GakumasLocal::HookMain {
                 "UnityEngine.Transform::set_position_Injected(UnityEngine.Vector3&)"));
         ADD_HOOK(Unity_set_rotation_Injected, Il2cppUtils::il2cpp_resolve_icall(
                 "UnityEngine.Transform::set_rotation_Injected(UnityEngine.Quaternion&)"));
+        ADD_HOOK(Unity_set_targetFrameRate, Il2cppUtils::il2cpp_resolve_icall(
+                "UnityEngine.Application::set_targetFrameRate(System.Int32)"));
     }
     // 77 2640 5000
 
diff --git a/app/src/main/cpp/GakumasLocalify/config/Config.cpp b/app/src/main/cpp/GakumasLocalify/config/Config.cpp
index 0f6aa71..cb5658c 100644
--- a/app/src/main/cpp/GakumasLocalify/config/Config.cpp
+++ b/app/src/main/cpp/GakumasLocalify/config/Config.cpp
@@ -7,12 +7,14 @@ namespace GakumasLocal::Config {
 
     bool enabled = true;
     bool enableFreeCamera = false;
+    int targetFrameRate = 0;
 
     void LoadConfig(const std::string& configStr) {
         try {
             const auto config = nlohmann::json::parse(configStr);
 
             enabled = config["enabled"];
+            targetFrameRate = config["targetFrameRate"];
             enableFreeCamera = config["enableFreeCamera"];
 
         }
diff --git a/app/src/main/cpp/GakumasLocalify/config/Config.hpp b/app/src/main/cpp/GakumasLocalify/config/Config.hpp
index 1d05ca7..edf2d73 100644
--- a/app/src/main/cpp/GakumasLocalify/config/Config.hpp
+++ b/app/src/main/cpp/GakumasLocalify/config/Config.hpp
@@ -7,6 +7,7 @@ namespace GakumasLocal::Config {
 
     extern bool enabled;
     extern bool enableFreeCamera;
+    extern int targetFrameRate;
 
     void LoadConfig(const std::string& configStr);
 }
diff --git a/app/src/main/java/io/github/chinosk/gakumas/localify/MainActivity.kt b/app/src/main/java/io/github/chinosk/gakumas/localify/MainActivity.kt
index 6487058..26c9241 100644
--- a/app/src/main/java/io/github/chinosk/gakumas/localify/MainActivity.kt
+++ b/app/src/main/java/io/github/chinosk/gakumas/localify/MainActivity.kt
@@ -4,6 +4,7 @@ package io.github.chinosk.gakumas.localify
 import android.content.Intent
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import android.util.Log
 import android.widget.Toast
 import androidx.databinding.DataBindingUtil
 import com.google.gson.Gson
@@ -17,6 +18,7 @@ interface ConfigListener {
     fun onClickStartGame()
     fun onEnabledChanged(value: Boolean)
     fun onEnableFreeCameraChanged(value: Boolean)
+    fun onTargetFpsChanged(s: CharSequence, start: Int, before: Int, count: Int)
 }
 
 class MainActivity : AppCompatActivity(), ConfigListener {
@@ -83,6 +85,23 @@ class MainActivity : AppCompatActivity(), ConfigListener {
         saveConfig()
     }
 
+    override fun onTargetFpsChanged(s: CharSequence, start: Int, before: Int, count: Int) {
+        try {
+            val valueStr = s.toString()
+
+            val value = if (valueStr == "") {
+                0
+            } else {
+                valueStr.toInt()
+            }
+            config.targetFrameRate = value
+            saveConfig()
+        }
+        catch (e: Exception) {
+            return
+        }
+    }
+
     override fun onClickStartGame() {
         val intent = Intent().apply {
             setClassName("com.bandainamcoent.idolmaster_gakuen", "com.google.firebase.MessagingUnityPlayerActivity")
diff --git a/app/src/main/java/io/github/chinosk/gakumas/localify/models/GakumasConfig.kt b/app/src/main/java/io/github/chinosk/gakumas/localify/models/GakumasConfig.kt
index 425e6c5..23309b4 100644
--- a/app/src/main/java/io/github/chinosk/gakumas/localify/models/GakumasConfig.kt
+++ b/app/src/main/java/io/github/chinosk/gakumas/localify/models/GakumasConfig.kt
@@ -2,6 +2,7 @@ package io.github.chinosk.gakumas.localify.models
 
 data class GakumasConfig(
     var enabled: Boolean = true,
-    var enableFreeCamera: Boolean = false
+    var enableFreeCamera: Boolean = false,
+    var targetFrameRate: Int = 0
 )
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 0408900..0d64364 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<layout xmlns:android="http://schemas.android.com/apk/res/android">
+<layout xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:android="http://schemas.android.com/apk/res/android">
     <data>
         <variable name="config" type="io.github.chinosk.gakumas.localify.models.GakumasConfig" />
         <variable
@@ -9,8 +11,6 @@
     </data>
 
     <androidx.constraintlayout.widget.ConstraintLayout
-        xmlns:app="http://schemas.android.com/apk/res-auto"
-        xmlns:tools="http://schemas.android.com/tools"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:padding="6sp"
@@ -56,6 +56,33 @@
                         android:text="@string/enable_plugin" />
                 </TableRow>
 
+                <TableRow
+                    android:layout_width="match_parent"
+                    android:layout_height="match_parent">
+
+                    <com.google.android.material.textfield.TextInputLayout
+                        android:layout_width="match_parent"
+                        android:layout_height="48dp"
+                        app:boxBackgroundColor="@android:color/transparent"
+                        android:background="@android:color/transparent"
+                        android:hint="@string/setFpsTitle" >
+
+                        <com.google.android.material.textfield.TextInputEditText
+                            android:id="@+id/editTextTargetFps"
+                            android:layout_width="match_parent"
+                            android:layout_height="48dp"
+                            android:ems="10"
+                            android:inputType="numberSigned"
+                            android:paddingStart="0dp"
+                            android:paddingEnd="0dp"
+                            android:paddingBottom="0dp"
+                            android:text="@={`` + config.targetFrameRate}"
+                            android:onTextChanged="@{(s, st, b, a) -> listener.onTargetFpsChanged(s, st, b, a)}"/>
+
+                    </com.google.android.material.textfield.TextInputLayout>
+
+                </TableRow>
+
                 <TableRow
                     android:layout_width="match_parent"
                     android:layout_height="match_parent">
@@ -68,6 +95,7 @@
                         android:onCheckedChanged="@{(view, value) -> listener.onEnableFreeCameraChanged(value)}"
                         android:text="@string/enable_free_camera" />
                 </TableRow>
+
                 <TableRow
                     android:layout_width="match_parent"
                     android:layout_height="match_parent">
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 1d39acb..e4446de 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -4,4 +4,5 @@
     <string name="enable_plugin">启用插件 (不可热重载)</string>
     <string name="enable_free_camera">启用自由视角（可热重载; 需使用实体键盘）</string>
     <string name="start_game">以上述配置启动游戏/重载配置</string>
+    <string name="setFpsTitle">最大 FPS (0 为保持游戏原设置)</string>
 </resources>
\ No newline at end of file