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Update main.cpp
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162
main.cpp
162
main.cpp
@ -9,10 +9,9 @@
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#include <dlfcn.h>
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#include <EGL/egl.h>
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#include <GLES3/gl3.h>
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#include <android/input.h>
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#include "dobby.h"
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// ImGui 包含
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// ImGui 核心与 OpenGL3 后端
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#include "imgui.h"
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#include "backends/imgui_impl_opengl3.h"
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@ -24,11 +23,9 @@
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bool g_Initialized = false;
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bool g_ShowMenu = true;
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int g_FrameCount = 0;
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pthread_mutex_t g_CtxMutex = PTHREAD_MUTEX_INITIALIZER;
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EGLBoolean (*old_eglSwapBuffers)(EGLDisplay dpy, EGLSurface surface) = nullptr;
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struct TouchData { float x, y; bool down; } g_Touch;
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// 获取模块基址
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uintptr_t get_module_base(const char* name) {
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FILE* fp = fopen("/proc/self/maps", "r");
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char line[1024];
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@ -43,120 +40,119 @@ uintptr_t get_module_base(const char* name) {
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return base;
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}
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// --- 渲染保护与 UI 绘制 ---
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void DrawImGui(int width, int height) {
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if (!g_ShowMenu) return;
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// STEP 4.1: 进入绘制逻辑
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LOGI("[TRACE] Step 4.1: Enter DrawImGui");
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// 保存状态
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GLint last_fbo, last_vao, last_program;
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glGetIntegerv(GL_FRAMEBUFFER_BINDING, &last_fbo);
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glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &last_vao);
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// 1. 保存当前所有可能被 ImGui 改变的 GL 状态
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GLint last_program, last_texture, last_array_buffer, last_vao;
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glGetIntegerv(GL_CURRENT_PROGRAM, &last_program);
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glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture);
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glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &last_array_buffer);
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glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &last_vao);
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GLint last_viewport[4]; glGetIntegerv(GL_VIEWPORT, last_viewport);
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GLint last_scissor_box[4]; glGetIntegerv(GL_SCISSOR_BOX, last_scissor_box);
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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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// STEP 4.2: 状态解绑
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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glBindVertexArray(0);
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glBindBuffer(GL_ARRAY_BUFFER, 0);
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
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for (int i = 0; i < 8; i++) glDisableVertexAttribArray(i);
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LOGI("[TRACE] Step 4.2: State Unbind Success");
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// 2. ImGui 渲染帧启动
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ImGui_ImplOpenGL3_NewFrame();
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ImGui::NewFrame();
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ImGui::SetNextWindowSize(ImVec2(400, 250), ImGuiCond_FirstUseEver);
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if (ImGui::Begin("Debug Trace Menu", &g_ShowMenu)) {
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ImGui::Text("If you see this, Step 4.3 is OK");
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if (ImGui::Button("Test Crash Point")) { LOGI("Button Clicked"); }
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if (ImGui::Begin("JKMenu Render Test", &g_ShowMenu)) {
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ImGui::Text("Render Status: Active");
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ImGui::Text("Wait for Input Implementation...");
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ImGui::Separator();
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static float f = 0.5f;
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ImGui::SliderFloat("Alpha Test", &f, 0.0f, 1.0f);
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if (ImGui::Button("Close Menu")) {
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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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// STEP 4.3: 生成绘制数据
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// 3. 提交绘制
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ImGui::Render();
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LOGI("[TRACE] Step 4.3: ImGui Render Data Generated");
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// STEP 4.4: 提交 GPU 绘制 (最容易闪退的点)
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LOGI("[TRACE] Step 4.4: Executing glDraw...");
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ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
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LOGI("[TRACE] Step 4.5: glDraw Finished");
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// 还原状态
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glBindFramebuffer(GL_FRAMEBUFFER, last_fbo);
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glBindVertexArray(last_vao);
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// 4. 恢复原始状态 (极其重要，防止游戏闪退)
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glUseProgram(last_program);
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glBindTexture(GL_TEXTURE_2D, last_texture);
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glBindBuffer(GL_ARRAY_BUFFER, last_array_buffer);
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glBindVertexArray(last_vao);
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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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}
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// --- EGL SwapBuffers Hook ---
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EGLBoolean hook_eglSwapBuffers(EGLDisplay dpy, EGLSurface surface) {
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if (pthread_mutex_trylock(&g_CtxMutex) != 0) return old_eglSwapBuffers(dpy, surface);
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// 简单的重入锁
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static bool is_rendering = false;
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if (is_rendering) return old_eglSwapBuffers(dpy, surface);
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is_rendering = true;
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g_FrameCount++;
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// STEP 3: 检测初始化时机
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if (!g_Initialized && g_FrameCount > 150) {
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LOGI("[TRACE] Step 3.1: Start ImGui Init");
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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;
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EGLint w, h;
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eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
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eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
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io.DisplaySize = ImVec2((float)w, (float)h);
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// 初始化逻辑：等待 200 帧确保 Context 完全稳定
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if (!g_Initialized && g_FrameCount > 200) {
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if (eglGetCurrentContext() != EGL_NO_CONTEXT) {
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LOGI("[TRACE] Step 3: Starting ImGui Render Init");
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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;
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// 解决高分屏 UI 太小的问题
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io.FontGlobalScale = 2.0f;
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if (ImGui_ImplOpenGL3_Init("#version 100")) {
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g_Initialized = true;
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LOGI("[TRACE] Step 3.2: ImGui Init Success");
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} else {
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LOGE("[TRACE] Step 3.2 ERROR: ImGui Init Failed");
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if (ImGui_ImplOpenGL3_Init("#version 300 es")) {
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g_Initialized = true;
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LOGI("[TRACE] Step 4: Render Init Success");
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}
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}
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}
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if (g_Initialized) {
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if (g_Initialized && g_ShowMenu) {
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EGLint w, h;
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eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
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eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
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ImGui::GetIO().DisplaySize = ImVec2((float)w, (float)h);
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DrawImGui(w, h);
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}
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pthread_mutex_unlock(&g_CtxMutex);
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is_rendering = false;
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return old_eglSwapBuffers(dpy, surface);
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}
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// 输入处理 (Step 5)
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int (*old_AInputEvent_getType)(const AInputEvent* event) = nullptr;
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int hook_AInputEvent_getType(const AInputEvent* event) {
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int type = old_AInputEvent_getType(event);
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if (type == AINPUT_EVENT_TYPE_MOTION) {
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g_Touch.x = AMotionEvent_getRawX(event, 0);
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g_Touch.y = AMotionEvent_getRawY(event, 0);
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int action = AMotionEvent_getAction(event) & AMOTION_EVENT_ACTION_MASK;
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g_Touch.down = (action == AMOTION_EVENT_ACTION_DOWN || action == AMOTION_EVENT_ACTION_MOVE);
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}
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return type;
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}
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// --- 初始化线程 ---
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void* init_thread(void*) {
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LOGI("[TRACE] Step 1: Thread Started");
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while (!get_module_base("libEGL.so")) usleep(100000);
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LOGI("[TRACE] Step 1: Plugin Thread Started");
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void* egl_handle = dlopen("libEGL.so", RTLD_LAZY);
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if (egl_handle) {
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void* sym = dlsym(egl_handle, "eglSwapBuffers");
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if (sym) {
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DobbyHook(sym, (void*)hook_eglSwapBuffers, (void**)&old_eglSwapBuffers);
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LOGI("[TRACE] Step 2.1: eglSwapBuffers Hooked");
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}
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dlclose(egl_handle);
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// 等待核心图形库加载
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while (!get_module_base("libEGL.so") || !get_module_base("libGLESv3.so")) {
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usleep(100000);
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}
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// 仅 Hook 渲染函数
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void* sym_egl = dlsym(RTLD_DEFAULT, "eglSwapBuffers");
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if (sym_egl) {
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DobbyHook(sym_egl, (void*)hook_eglSwapBuffers, (void**)&old_eglSwapBuffers);
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LOGI("[TRACE] Step 2: eglSwapBuffers Hooked (Render Only)");
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}
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void* sym_in = dlsym(RTLD_DEFAULT, "AInputEvent_getType");
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if (sym_in) {
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DobbyHook(sym_in, (void*)hook_AInputEvent_getType, (void**)&old_AInputEvent_getType);
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LOGI("[TRACE] Step 2.2: Input Hooked");
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}
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return nullptr;
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}
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@ -166,4 +162,6 @@ __attribute__((constructor)) void _init() {
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pthread_detach(tid);
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}
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JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM* vm, void* reserved) { return JNI_VERSION_1_6; }
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JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM* vm, void* reserved) {
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return JNI_VERSION_1_6;
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}
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