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Update main.cpp
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main.cpp
198
main.cpp
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#include <imgui.h>
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#include <imgui_impl_opengl3.h>
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#include <imgui_impl_android.h>
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#include <GLES3/gl3.h>
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#include <EGL/egl.h>
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#include <dobby.h>
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#include <jni.h>
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#include <thread>
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#include <chrono>
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#include <dlfcn.h>
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#include "memory_utils.h"
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#include <android/native_window.h>
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#include <EGL/egl.h>
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#include <GLES3/gl3.h>
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#include <android/log.h>
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#include "dobby.h"
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#include "imgui.h"
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#include "backends/imgui_impl_android.h"
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#include "backends/imgui_impl_opengl3.h"
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// --- 全局变量与原始函数指针 ---
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using T_eglSwapBuffers = EGLBoolean (*)(EGLDisplay, EGLSurface);
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T_eglSwapBuffers orig_eglSwapBuffers = nullptr;
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#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, "ModMenu", __VA_ARGS__)
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bool g_Initialized = false;
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bool g_ShowMenu = true;
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// 全局变量
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static ANativeWindow* g_AndroidWindow = nullptr;
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static bool g_ImGuiReady = false;
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static int g_GlWidth = 0;
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static int g_GlHeight = 0;
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// --- 渲染状态备份 (王者荣耀专项优化：深度还原) ---
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void Hook_eglSwapBuffers(EGLDisplay display, EGLSurface surface) {
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if (!g_Initialized) {
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// 1. 初始化 ImGui 上下文
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// 原始 eglSwapBuffers 函数指针类型定义
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typedef EGLBoolean (*eglSwapBuffers_t)(EGLDisplay dpy, EGLSurface surface);
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eglSwapBuffers_t original_eglSwapBuffers = nullptr;
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// ==================== ImGui 菜单绘制 ====================
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void RenderImGui() {
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if (!g_ImGuiReady) return;
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ImGui_ImplOpenGL3_NewFrame();
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ImGui_ImplAndroid_NewFrame();
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ImGui::NewFrame();
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// 在这里绘制你的菜单内容
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ImGui::Begin("Mod Menu");
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ImGui::Text("Injected via eglSwapBuffers Hook");
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ImGui::Text("FPS: %.1f", ImGui::GetIO().Framerate);
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if (ImGui::Button("Click me")) {
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LOGI("Button clicked!");
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}
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ImGui::End();
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ImGui::Render();
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ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
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}
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// ==================== Hook 函数 ====================
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EGLBoolean hooked_eglSwapBuffers(EGLDisplay dpy, EGLSurface surface) {
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// 延迟初始化 ImGui（只执行一次）
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static bool initialized = false;
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if (!initialized && g_AndroidWindow != nullptr) {
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// 获取 EGL 上下文信息
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eglQuerySurface(dpy, surface, EGL_WIDTH, &g_GlWidth);
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eglQuerySurface(dpy, surface, EGL_HEIGHT, &g_GlHeight);
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// 初始化 ImGui
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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ImGuiIO& io = ImGui::GetIO();
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io.IniFilename = nullptr; // 不保存配置文件，防止被游戏扫描到
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// 2. 初始化后台渲染器 (王者荣耀使用 GLES3)
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ImGui_ImplAndroid_Init(g_AndroidWindow);
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ImGui_ImplOpenGL3_Init("#version 300 es");
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g_Initialized = true;
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ImGui::StyleColorsDark();
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initialized = true;
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g_ImGuiReady = true;
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LOGI("ImGui initialized successfully! Width: %d, Height: %d", g_GlWidth, g_GlHeight);
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}
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if (g_ShowMenu) {
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// --- [核心：全状态备份] 学习自高级 Hook 逻辑 ---
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GLint last_program, last_vertex_array, last_array_buffer, last_element_array_buffer;
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GLint last_viewport[4];
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GLint last_scissor_box[4];
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glGetIntegerv(GL_CURRENT_PROGRAM, &last_program);
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glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &last_vertex_array);
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glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &last_array_buffer);
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glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &last_element_array_buffer);
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glGetIntegerv(GL_VIEWPORT, last_viewport);
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glGetIntegerv(GL_SCISSOR_BOX, last_scissor_box);
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// 备份关键能力开关
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GLboolean last_enable_blend = glIsEnabled(GL_BLEND);
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GLboolean last_enable_cull_face = glIsEnabled(GL_CULL_FACE);
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GLboolean last_enable_depth_test = glIsEnabled(GL_DEPTH_TEST);
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GLboolean last_enable_scissor_test = glIsEnabled(GL_SCISSOR_TEST);
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// --- 开始 ImGui 帧 ---
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ImGui_ImplOpenGL3_NewFrame();
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ImGui::NewFrame();
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// 绘制王者荣耀专属风格菜单
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ImGui::SetNextWindowSize(ImVec2(400, 320), ImGuiCond_FirstUseEver);
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if (ImGui::Begin("JKInternal - SGame (王者荣耀)", nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {
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ImGui::TextColored(ImVec4(1, 1, 0, 1), "渲染注入成功: libEGL.so -> eglSwapBuffers");
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ImGui::Separator();
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static bool esp_box = false;
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static bool esp_line = false;
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ImGui::Checkbox("英雄方框", &esp_box);
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ImGui::SameLine();
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ImGui::Checkbox("英雄射线", &esp_line);
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static float draw_color[4] = { 1.0f, 0.0f, 0.0f, 1.0f };
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ImGui::ColorEdit4("绘制颜色", draw_color);
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ImGui::Separator();
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if (ImGui::Button("隐藏菜单 (按音量键恢复-未实现)")) {
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g_ShowMenu = false;
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}
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}
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ImGui::End();
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// --- 渲染 ImGui ---
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ImGui::Render();
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ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
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// --- [核心：全状态还原] 让游戏管线无感知 ---
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glUseProgram(last_program);
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glBindVertexArray(last_vertex_array);
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glBindBuffer(GL_ARRAY_BUFFER, last_array_buffer);
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, last_element_array_buffer);
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glViewport(last_viewport[0], last_viewport[1], (GLsizei)last_viewport[2], (GLsizei)last_viewport[3]);
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glScissor(last_scissor_box[0], last_scissor_box[1], (GLsizei)last_scissor_box[2], (GLsizei)last_scissor_box[3]);
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if (last_enable_blend) glEnable(GL_BLEND); else glDisable(GL_BLEND);
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if (last_enable_cull_face) glEnable(GL_CULL_FACE); else glDisable(GL_CULL_FACE);
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if (last_enable_depth_test) glEnable(GL_DEPTH_TEST); else glDisable(GL_DEPTH_TEST);
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if (last_enable_scissor_test) glEnable(GL_SCISSOR_TEST); else glDisable(GL_SCISSOR_TEST);
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// 执行 ImGui 绘制
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if (g_ImGuiReady) {
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RenderImGui();
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}
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// 调用原始函数指针，完成屏幕交换
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orig_eglSwapBuffers(display, surface);
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// 调用原函数，保证游戏画面正常显示
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return original_eglSwapBuffers(dpy, surface);
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}
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// --- 注入入口 ---
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// ==================== 安装 Hook ====================
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void InstallHook() {
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void* libegl = dlopen("libEGL.so", RTLD_LAZY);
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if (!libegl) {
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LOGI("Failed to load libEGL.so");
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return;
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}
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void* func = dlsym(libegl, "eglSwapBuffers");
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if (func) {
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DobbyHook(func, (void*)hooked_eglSwapBuffers, (void**)&original_eglSwapBuffers);
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LOGI("Dobby hook installed on eglSwapBuffers");
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}
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dlclose(libegl);
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}
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// ==================== 等待 libEGL 加载并 Hook ====================
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void SetupHooksThread() {
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LOGI("SetupHooksThread started, waiting for libEGL.so...");
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while (true) {
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if (dlopen("libEGL.so", RTLD_LAZY | RTLD_NOLOAD)) {
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LOGI("libEGL.so found, installing hook...");
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InstallHook();
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break;
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}
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std::this_thread::sleep_for(std::chrono::seconds(1));
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}
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}
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// ==================== so 入口 ====================
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__attribute__((constructor))
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void MainEntry() {
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// 动态获取 eglSwapBuffers 地址并进行 Dobby Hook
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void* handle = dlopen("libEGL.so", RTLD_LAZY);
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if (handle) {
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void* target = dlsym(handle, "eglSwapBuffers");
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if (target) {
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DobbyHook(target, (void*)Hook_eglSwapBuffers, (void**)&orig_eglSwapBuffers);
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}
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void Init() {
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LOGI("libmodmenu.so loaded!");
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std::thread(SetupHooksThread).detach();
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}
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// ==================== JNI 函数，用于从 Java 层传递 ANativeWindow ====================
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extern "C" JNIEXPORT void JNICALL
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Java_com_yourpackage_ModMenu_setNativeWindow(JNIEnv* env, jobject thiz, jobject surface) {
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if (surface != nullptr) {
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g_AndroidWindow = ANativeWindow_fromSurface(env, surface);
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LOGI("Native window received from Java layer");
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}
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}
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