From 84cf1512c3ceb719debc3bb0092dddfdbb77f8d8 Mon Sep 17 00:00:00 2001
From: gggaa2152 <60614405+gggaa2152@users.noreply.github.com>
Date: Sat, 4 Apr 2026 22:19:37 +0800
Subject: [PATCH] Update main.cpp

---
 main.cpp | 119 +++++++++++++++++++------------------------------------
 1 file changed, 40 insertions(+), 79 deletions(-)

diff --git a/main.cpp b/main.cpp
index db166e069..c506dff4d 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,14 +1,10 @@
 #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>
 
-// 核心库包含
 #include "dobby.h"
 #include "imgui.h"
 #include "imgui_impl_android.h"
@@ -18,103 +14,68 @@
 
 #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__)
 
-// --- 原始函数指针存储 ---
-typedef EGLBoolean (*eglSwapBuffers_t)(EGLDisplay dpy, EGLSurface surface);
-eglSwapBuffers_t orig_eglSwapBuffers = nullptr;
+// 存储原始函数
+typedef void (*glFlush_t)();
+glFlush_t orig_glFlush = nullptr;
 
-typedef void* (*vkQueuePresentKHR_t)(void* queue, const void* pPresentInfo);
-vkQueuePresentKHR_t orig_vkQueuePresentKHR = nullptr;
-
-// --- 计数器：用于判断哪个渲染器在工作 ---
-std::atomic<int> g_gles_calls{0};
-std::atomic<int> g_vulkan_calls{0};
-
-// --- 全局状态 ---
 bool g_Initialized = false;
-bool g_ShowMenu = true;
-int g_Width = 0;
-int g_Height = 0;
 
-// 菜单渲染逻辑 (GLES)
-void DrawImGuiMenu() {
-    if (!g_ShowMenu) return;
-    ImGui::SetNextWindowSize(ImVec2(400, 350), ImGuiCond_FirstUseEver);
-    ImGui::Begin("JKMenu - Renderer Detector", &g_ShowMenu);
-    ImGui::Text("Target: com.tencent.jkchess");
-    ImGui::Separator();
-    ImGui::Text("GLES Call Count: %d", g_gles_calls.load());
-    ImGui::Text("Vulkan Call Count: %d", g_vulkan_calls.load());
-    ImGui::Separator();
-    if (g_vulkan_calls > 0 && g_gles_calls == 0) {
-        ImGui::TextColored(ImVec4(1, 0, 0, 1), "STATUS: VULKAN ACTIVE");
-        ImGui::Text("Menu cannot show in GLES mode.");
-    } else {
-        ImGui::TextColored(ImVec4(0, 1, 0, 1), "STATUS: GLES ACTIVE");
-        static float f = 0.5f;
-        ImGui::SliderFloat("Scale", &f, 0.1f, 2.0f);
-    }
-    ImGui::End();
-}
-
-// Hook 回调: OpenGL
-EGLBoolean hooked_eglSwapBuffers(EGLDisplay dpy, EGLSurface surface) {
-    g_gles_calls++;
+// 渲染逻辑
+void PerformRender() {
     if (!g_Initialized) {
-        eglQuerySurface(dpy, surface, EGL_WIDTH, &g_Width);
-        eglQuerySurface(dpy, surface, EGL_HEIGHT, &g_Height);
-        if (g_Width > 0 && g_Height > 0) {
-            ImGui::CreateContext();
-            if (ImGui_ImplOpenGL3_Init("#version 300 es")) g_Initialized = true;
+        LOGI("SUCCESS!!! glFlush Triggered rendering.");
+        
+        // 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]);
         }
     }
+
     if (g_Initialized) {
         ImGui_ImplOpenGL3_NewFrame();
         ImGui::NewFrame();
-        DrawImGuiMenu();
+        
+        ImGui::Begin("JKMenu - Emergency Hook");
+        ImGui::Text("If you see this, glFlush Hook works!");
+        ImGui::End();
+
         ImGui::Render();
         ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
     }
-    return orig_eglSwapBuffers(dpy, surface);
 }
 
-// Hook 回调: Vulkan
-void* hooked_vkQueuePresentKHR(void* queue, const void* pPresentInfo) {
-    g_vulkan_calls++;
-    return orig_vkQueuePresentKHR(queue, pPresentInfo);
+// Hook 回调
+void hooked_glFlush() {
+    PerformRender();
+    orig_glFlush();
 }
 
-// 探测线程
-void* detector_thread(void*) {
-    LOGI("Detector started. Analyzing rendering pipeline...");
-    sleep(10); // 等待游戏进入主画面
+void* hack_thread(void*) {
+    LOGI("SO Loaded. Searching for glFlush in libGLESv2...");
+    sleep(10);
 
-    // Hook 两个可能的入口点
-    void* gles_ptr = DobbySymbolResolver("libEGL.so", "eglSwapBuffers");
-    if (gles_ptr) DobbyHook(gles_ptr, (dobby_dummy_func_t)hooked_eglSwapBuffers, (dobby_dummy_func_t*)&orig_eglSwapBuffers);
-
-    void* vk_ptr = DobbySymbolResolver("libvulkan.so", "vkQueuePresentKHR");
-    if (vk_ptr) DobbyHook(vk_ptr, (dobby_dummy_func_t)hooked_vkQueuePresentKHR, (dobby_dummy_func_t*)&orig_vkQueuePresentKHR);
-
-    // 每 3 秒输出一次探测结果
-    while (true) {
-        int gles = g_gles_calls.exchange(0);
-        int vk = g_vulkan_calls.exchange(0);
-
-        if (gles > 0) {
-            LOGI("[Detector] Result: OpenGL (GLES) is ACTIVE (%d fps)", gles);
-        } else if (vk > 0) {
-            LOGE("[Detector] Result: VULKAN is ACTIVE (%d fps). GLES Hook will not work!", vk);
-        } else {
-            LOGI("[Detector] Result: No rendering detected yet...");
-        }
-        sleep(3);
+    // 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);
+    } else {
+        LOGI("Failed to find glFlush. This is very strange.");
     }
+
     return nullptr;
 }
 
 void __attribute__((constructor)) init() {
     pthread_t t;
-    pthread_create(&t, nullptr, detector_thread, nullptr);
+    pthread_create(&t, nullptr, hack_thread, nullptr);
 }