Create main.cpp

main.cpp

@@ -0,0 +1,117 @@
+#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>
+
+// 核心库包含
+#include "dobby.h"
+#include "imgui.h"
+#include "imgui_impl_android.h"
+#include "imgui_impl_opengl3.h"
+#include <GLES3/gl3.h>
+#include <EGL/egl.h>
+
+#define LOG_TAG "JKMenu"
+#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, 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;
+
+// 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
+void DrawImGuiMenu() {
+    if (!g_ShowMenu) return;
+
+    ImGui::SetNextWindowSize(ImVec2(400, 350), ImGuiCond_FirstUseEver);
+    ImGui::Begin("JKMenu - com.tencent.jkchess", &g_ShowMenu);
+
+    ImGui::Text("Device: OnePlus Pad Pro 2");
+    ImGui::Text("Screen: %dx%d", g_Width, g_Height);
+    ImGui::Separator();
+
+    if (ImGui::Button("功能开关 1")) {
+        LOGI("Feature 1 Toggled");
+    }
+
+    if (ImGui::Button("隐藏菜单")) {
+        g_ShowMenu = false;
+    }
+
+    ImGui::End();
+}
+
+// Hook 后的渲染函数
+EGLBoolean hooked_eglSwapBuffers(EGLDisplay dpy, EGLSurface surface) {
+    if (!g_Initialized) {
+        // 获取当前 Surface 的宽高
+        eglQuerySurface(dpy, surface, EGL_WIDTH, &g_Width);
+        eglQuerySurface(dpy, surface, EGL_HEIGHT, &g_Height);
+
+        // 初始化 ImGui 上下文
+        ImGui::CreateContext();
+        ImGuiIO& io = ImGui::GetIO();
+        
+        // 修正之前的错误：直接使用 ImVec2 赋值
+        io.DisplaySize = ImVec2((float)g_Width, (float)g_Height);
+
+        // 初始化后端
+        ImGui_ImplOpenGL3_Init("#version 300 es");
+        
+        g_Initialized = true;
+        LOGI("ImGui Initialized Successfully");
+    }
+
+    // 开始新帧
+    ImGui_ImplOpenGL3_NewFrame();
+    ImGui::NewFrame();
+
+    // 绘制 UI
+    DrawImGuiMenu();
+
+    // 渲染输出
+    ImGui::Render();
+    ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
+
+    return orig_eglSwapBuffers(dpy, surface);
+}
+
+// 注入后的初始化线程
+void* hack_thread(void*) {
+    LOGI("Hack Thread Started");
+    
+    // 等待游戏加载 libEGL.so (由于 JSHook 注入较早，可能需要等待)
+    sleep(5);
+
+    // 使用 Dobby 寻找目标函数地址
+    void* target = DobbySymbolResolver("libEGL.so", "eglSwapBuffers");
+    if (target) {
+        LOGI("Found eglSwapBuffers at: %p", target);
+        
+        // 执行 Inline Hook
+        DobbyHook(target, 
+                  (dobby_dummy_func_t)hooked_eglSwapBuffers, 
+                  (dobby_dummy_func_t*)&orig_eglSwapBuffers);
+        
+        LOGI("Dobby Hook Applied");
+    } else {
+        LOGI("Failed to find target function");
+    }
+
+    return nullptr;
+}
+
+// .so 加载时的入口点
+void __attribute__((constructor)) init() {
+    pthread_t t;
+    pthread_create(&t, nullptr, hack_thread, nullptr);
+}