From 5921d565a9a888d30cc16a519546ef086dfd16c7 Mon Sep 17 00:00:00 2001
From: gggaa2152 <60614405+gggaa2152@users.noreply.github.com>
Date: Sat, 4 Apr 2026 22:23:51 +0800
Subject: [PATCH] Update main.cpp

---
 main.cpp | 119 +++++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 84 insertions(+), 35 deletions(-)

diff --git a/main.cpp b/main.cpp
index c506dff4d..456b6d9ed 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,10 +1,13 @@
 #include <jni.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/types.h>
 #include <android/log.h>
 #include <dlfcn.h>
 #include <unistd.h>
 #include <pthread.h>
-#include <atomic>
 
+// ImGui 核心与渲染器
 #include "dobby.h"
 #include "imgui.h"
 #include "imgui_impl_android.h"
@@ -14,67 +17,113 @@
 
 #define LOG_TAG "JKMenu"
 #define LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
+#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
 
-// 存储原始函数
-typedef void (*glFlush_t)();
-glFlush_t orig_glFlush = nullptr;
+// 原始函数指针
+typedef EGLBoolean (*eglSwapBuffers_t)(EGLDisplay dpy, EGLSurface surface);
+eglSwapBuffers_t orig_eglSwapBuffers = nullptr;
 
+// 全局状态
 bool g_Initialized = false;
+bool g_ShowMenu = true;
+int g_Width = 0;
+int g_Height = 0;
 
-// 渲染逻辑
-void PerformRender() {
+// 菜单绘制内容
+void DrawImGuiMenu() {
+    if (!g_ShowMenu) return;
+
+    ImGui::SetNextWindowSize(ImVec2(450, 400), ImGuiCond_FirstUseEver);
+    ImGui::Begin("JKMenu - OpenGL Mode", &g_ShowMenu);
+
+    ImGui::Text("Device: OnePlus Pad Pro 2");
+    ImGui::Text("Package: com.tencent.jkchess");
+    ImGui::Text("Screen: %dx%d", g_Width, g_Height);
+    ImGui::Separator();
+
+    static bool feature1 = false;
+    ImGui::Checkbox("显示射线", &feature1);
+    
+    static float menu_scale = 1.0f;
+    ImGui::SliderFloat("菜单缩放", &menu_scale, 0.5f, 2.0f);
+
+    if (ImGui::Button("隐藏菜单 (需重启注入显示)")) {
+        g_ShowMenu = false;
+    }
+
+    ImGui::End();
+}
+
+// 核心 Hook 函数
+EGLBoolean hooked_eglSwapBuffers(EGLDisplay dpy, EGLSurface surface) {
     if (!g_Initialized) {
-        LOGI("SUCCESS!!! glFlush Triggered rendering.");
+        LOGI("SUCCESS: OpenGL Render triggered via eglSwapBuffers!");
         
-        // 获取当前屏幕宽高
-        GLint viewport[4];
-        glGetIntegerv(GL_VIEWPORT, viewport);
-        
-        ImGui::CreateContext();
-        ImGuiIO& io = ImGui::GetIO();
-        io.DisplaySize = ImVec2((float)viewport[2], (float)viewport[3]);
-        
-        if (ImGui_ImplOpenGL3_Init("#version 300 es")) {
-            g_Initialized = true;
-            LOGI("ImGui Initialized via glFlush: %d x %d", viewport[2], viewport[3]);
+        // 获取实际渲染表面的宽高
+        eglQuerySurface(dpy, surface, EGL_WIDTH, &g_Width);
+        eglQuerySurface(dpy, surface, EGL_HEIGHT, &g_Height);
+
+        if (g_Width > 0 && g_Height > 0) {
+            ImGui::CreateContext();
+            ImGuiIO& io = ImGui::GetIO();
+            
+            // 针对高分辨率平板优化字体大小
+            io.FontGlobalScale = 2.5f; 
+            io.DisplaySize = ImVec2((float)g_Width, (float)g_Height);
+
+            if (ImGui_ImplOpenGL3_Init("#version 300 es")) {
+                g_Initialized = true;
+                LOGI("ImGui Initialized Successfully!");
+            }
         }
     }
 
     if (g_Initialized) {
         ImGui_ImplOpenGL3_NewFrame();
         ImGui::NewFrame();
-        
-        ImGui::Begin("JKMenu - Emergency Hook");
-        ImGui::Text("If you see this, glFlush Hook works!");
-        ImGui::End();
+
+        DrawImGuiMenu();
 
         ImGui::Render();
         ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
     }
+
+    return orig_eglSwapBuffers(dpy, surface);
 }
 
-// Hook 回调
-void hooked_glFlush() {
-    PerformRender();
-    orig_glFlush();
-}
-
+// 注入后的初始化线程
 void* hack_thread(void*) {
-    LOGI("SO Loaded. Searching for glFlush in libGLESv2...");
-    sleep(10);
+    LOGI("SO Loaded! Waiting for Game Engine...");
+    
+    // 等待游戏加载，金铲铲这类游戏建议等 10-15 秒
+    sleep(12);
+
+    // 尝试寻找 Hook 点
+    // 1. 标准 EGL 函数
+    void* target = DobbySymbolResolver("libEGL.so", "eglSwapBuffers");
+    
+    // 2. 如果标准没搜到，尝试搜腾讯私有渲染函数
+    if (!target) {
+        target = dlsym(RTLD_DEFAULT, "nw_main_swap_buffers");
+    }
 
-    // glFlush 是 GLES 必调用的函数，比 SwapBuffers 更底层
-    void* target = DobbySymbolResolver("libGLESv2.so", "glFlush");
     if (target) {
-        LOGI("Found glFlush at %p, applying hook...", target);
-        DobbyHook(target, (dobby_dummy_func_t)hooked_glFlush, (dobby_dummy_func_t*)&orig_glFlush);
+        LOGI("Found render target at %p, applying DobbyHook...", target);
+        DobbyHook(target, 
+                  (dobby_dummy_func_t)hooked_eglSwapBuffers, 
+                  (dobby_dummy_func_t*)&orig_eglSwapBuffers);
+        
+        if (orig_eglSwapBuffers) {
+            LOGI("Dobby Hook Applied Successfully!");
+        }
     } else {
-        LOGI("Failed to find glFlush. This is very strange.");
+        LOGE("CRITICAL: No render function found. Is the game still in Vulkan mode?");
     }
 
     return nullptr;
 }
 
+// 构造函数：SO 加载时自动运行
 void __attribute__((constructor)) init() {
     pthread_t t;
     pthread_create(&t, nullptr, hack_thread, nullptr);