Update main.cpp

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gggaa2152 2026-04-06 09:36:06 +08:00 committed by GitHub
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main.cpp
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@ -11,16 +11,19 @@
#define LOG_TAG "AndKitty_Menu"
#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
// --- 全局状态 ---
static bool g_Initialized = false;
static bool g_ShowMenu = true;
static float g_Width = 0, g_Height = 0;
struct {
struct TouchState {
float x, y;
bool down;
} g_Touch = {0, 0, false};
// 用于简单去抖或日志
int frameCounter;
} g_Touch = {0, 0, false, 0};
// --- 原函数指针 ---
typedef int32_t (*p_getPointerId)(const AInputEvent* motion_event, size_t pointer_index);
@ -35,107 +38,214 @@ static p_getRawY old_getRawY = nullptr;
typedef EGLBoolean (*p_eglSwapBuffers)(EGLDisplay dpy, EGLSurface surface);
static p_eglSwapBuffers old_eglSwapBuffers = nullptr;
// --- 【核心】多重拦截逻辑 ---
// 我们在游戏获取 PointerId 的那一刻,顺便把坐标存下来
int32_t hook_getPointerId(const AInputEvent* event, size_t index) {
if (event != nullptr && AInputEvent_getType(event) == AINPUT_EVENT_TYPE_MOTION) {
int32_t action = AMotionEvent_getAction(event) & AMOTION_EVENT_ACTION_MASK;
// 尝试获取原始坐标
if (old_getRawX && old_getRawY) {
g_Touch.x = old_getRawX(event, 0);
g_Touch.y = old_getRawY(event, 0);
} else {
g_Touch.x = AMotionEvent_getX(event, 0);
g_Touch.y = AMotionEvent_getY(event, 0);
}
// ---------------------------------------------------------------------
// 真正实时更新坐标和触摸状态的 Hook 函数
// ---------------------------------------------------------------------
// 辅助函数:从事件中提取动作并更新 down 状态
static void UpdateTouchFromEvent(const AInputEvent* event, size_t pointer_index) {
if (!event || AInputEvent_getType(event) != AINPUT_EVENT_TYPE_MOTION)
return;
int32_t action = AMotionEvent_getAction(event) & AMOTION_EVENT_ACTION_MASK;
int32_t pointerId = AMotionEvent_getPointerId(event, pointer_index);
// 简单起见,只跟踪第一个手指 (pointer_index == 0)
// 如果游戏使用多指,可以根据需要扩展
if (pointer_index == 0) {
if (action == AMOTION_EVENT_ACTION_DOWN || action == AMOTION_EVENT_ACTION_POINTER_DOWN) {
g_Touch.down = true;
} else if (action == AMOTION_EVENT_ACTION_UP || action == AMOTION_EVENT_ACTION_POINTER_UP || action == AMOTION_EVENT_ACTION_CANCEL) {
} else if (action == AMOTION_EVENT_ACTION_UP || action == AMOTION_EVENT_ACTION_POINTER_UP ||
action == AMOTION_EVENT_ACTION_CANCEL) {
g_Touch.down = false;
}
// MOVE 事件时保持 down 状态不变(已经为 true)
}
return old_getPointerId(event, index);
}
// --- 渲染逻辑 ---
// Hook getRawX: 每次游戏获取 X 坐标时更新 x 和触摸状态
float hook_getRawX(const AInputEvent* event, size_t index) {
if (event && old_getRawX) {
// 先获取原始 X 坐标
float x = old_getRawX(event, index);
// 更新全局触摸坐标
g_Touch.x = x;
// 更新触摸状态(down/up)
UpdateTouchFromEvent(event, index);
return x;
}
return 0.0f;
}
// Hook getRawY: 每次游戏获取 Y 坐标时更新 y
float hook_getRawY(const AInputEvent* event, size_t index) {
if (event && old_getRawY) {
float y = old_getRawY(event, index);
g_Touch.y = y;
// 再次更新状态(可选,和上面重复但无害)
UpdateTouchFromEvent(event, index);
return y;
}
return 0.0f;
}
// 保留对 getPointerId 的 Hook,但只转发调用,不再更新坐标(避免重复)
int32_t hook_getPointerId(const AInputEvent* event, size_t index) {
// 简单转发,不做额外处理
return old_getPointerId ? old_getPointerId(event, index) : 0;
}
// ---------------------------------------------------------------------
// 渲染 Hook
// ---------------------------------------------------------------------
EGLBoolean hook_eglSwapBuffers(EGLDisplay dpy, EGLSurface surface) {
if (g_Width <= 0) {
// 获取屏幕尺寸(仅一次或尺寸改变时更新)
if (g_Width <= 0 || g_Height <= 0) {
EGLint w, h;
eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
g_Width = (float)w; g_Height = (float)h;
g_Width = (float)w;
g_Height = (float)h;
LOGI("Screen size: %.0f x %.0f", g_Width, g_Height);
}
// 初始化 ImGui(只一次)
if (!g_Initialized) {
ImGui::CreateContext();
ImGui_ImplOpenGL3_Init("#version 300 es");
ImGui::GetStyle().ScaleAllSizes(3.0f);
// 可选:调整样式以适应触摸屏
ImGui::GetStyle().TouchPadding = ImVec2(10, 10);
ImGui::GetStyle().ScaleAllSizes(2.5f);
g_Initialized = true;
LOGI("ImGui Ready: %.fx%.f", g_Width, g_Height);
LOGI("ImGui initialized");
}
// 开始 ImGui 帧
ImGui_ImplOpenGL3_NewFrame();
ImGui::NewFrame();
if (g_ShowMenu) {
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize = ImVec2(g_Width, g_Height);
// 关键:将拦截到的坐标注入 ImGui
io.MousePos = ImVec2(g_Touch.x, g_Touch.y);
io.MouseDown[0] = g_Touch.down;
// 更新 ImGui IO 的鼠标输入
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize = ImVec2(g_Width, g_Height);
io.MousePos = ImVec2(g_Touch.x, g_Touch.y);
io.MouseDown[0] = g_Touch.down;
// 可选:打印调试信息(每 120 帧打印一次,避免刷屏)
if (g_Touch.frameCounter++ % 120 == 0) {
LOGI("Touch: (%.1f, %.1f) down=%d", g_Touch.x, g_Touch.y, g_Touch.down);
}
// 绘制菜单
if (g_ShowMenu) {
ImGui::SetNextWindowSize(ImVec2(500, 400), ImGuiCond_FirstUseEver);
ImGui::SetNextWindowPos(ImVec2(50, 50), ImGuiCond_FirstUseEver);
if (ImGui::Begin("AndKitty SGame Final", &g_ShowMenu)) {
ImGui::Text("Status: Input Hooked");
ImGui::Text("Status: Input Hooked (RawX/Y)");
ImGui::Text("Touch Pos: %.1f, %.1f", g_Touch.x, g_Touch.y);
ImGui::Text("Action: %s", g_Touch.down ? "DOWN" : "UP");
ImGui::Text("Touch State: %s", g_Touch.down ? "DOWN" : "UP");
ImGui::Separator();
static bool test = false;
ImGui::Checkbox("Function Test", &test);
if (ImGui::Button("Hide Menu")) g_ShowMenu = false;
static bool testFlag = false;
ImGui::Checkbox("Function Test", &testFlag);
if (ImGui::Button("Hide Menu")) {
g_ShowMenu = false;
LOGI("Menu hidden by button");
}
}
ImGui::End();
} else {
// 可选:显示一个小的重新打开按钮(例如通过音量键或触摸区域,这里简单通过坐标判断)
// 为了演示,添加一个“Show”按钮在左上角(即使菜单关闭也显示一个小区域)
// 实际使用时建议用系统按键回调,这里简化处理
ImGui::SetNextWindowSize(ImVec2(100, 50), ImGuiCond_Always);
ImGui::SetNextWindowPos(ImVec2(10, 10), ImGuiCond_Always);
if (ImGui::Begin("Menu Controller", nullptr, ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize)) {
if (ImGui::Button("Show Menu")) {
g_ShowMenu = true;
LOGI("Menu shown by button");
}
}
ImGui::End();
}
// 渲染
ImGui::Render();
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
// 调用原始 eglSwapBuffers
return old_eglSwapBuffers(dpy, surface);
}
// ---------------------------------------------------------------------
// 初始化线程
// ---------------------------------------------------------------------
void* init_thread(void*) {
// 1. 渲染 Hook
void* egl = dlsym(RTLD_DEFAULT, "eglSwapBuffers");
if (egl) DobbyHook(egl, (void*)hook_eglSwapBuffers, (void**)&old_eglSwapBuffers);
LOGI("Init thread started");
// 2. 输入 Hook
// 1. Hook eglSwapBuffers(渲染)
void* eglFunc = dlsym(RTLD_DEFAULT, "eglSwapBuffers");
if (eglFunc) {
DobbyHook(eglFunc, (void*)hook_eglSwapBuffers, (void**)&old_eglSwapBuffers);
LOGI("Hooked eglSwapBuffers at %p", eglFunc);
} else {
LOGE("Failed to find eglSwapBuffers");
}
// 2. Hook Android 输入函数(关键修复点)
void* libandroid = dlopen("libandroid.so", RTLD_NOW);
if (libandroid) {
// 获取需要 Hook 的函数地址
void* getPointerId = dlsym(libandroid, "AMotionEvent_getPointerId");
void* getRawX = dlsym(libandroid, "AMotionEvent_getRawX");
void* getRawY = dlsym(libandroid, "AMotionEvent_getRawY");
// 如果找不到 getRawX,就找 getX
if (!getRawX) getRawX = dlsym(libandroid, "AMotionEvent_getX");
if (!getRawY) getRawY = dlsym(libandroid, "AMotionEvent_getY");
// 如果找不到 RawX/RawY,回退到普通 getX/getY(相对坐标,可能不准)
if (!getRawX) {
getRawX = dlsym(libandroid, "AMotionEvent_getX");
LOGI("Using AMotionEvent_getX as fallback");
}
if (!getRawY) {
getRawY = dlsym(libandroid, "AMotionEvent_getY");
LOGI("Using AMotionEvent_getY as fallback");
}
// 我们 Hook 这三个函数,但重点是 getPointerId
if (getPointerId) DobbyHook(getPointerId, (void*)hook_getPointerId, (void**)&old_getPointerId);
if (getRawX) old_getRawX = (p_getRawX)getRawX;
if (getRawY) old_getRawY = (p_getRawY)getRawY;
// Hook getRawX 和 getRawY(这是实时更新坐标的关键)
if (getRawX) {
DobbyHook(getRawX, (void*)hook_getRawX, (void**)&old_getRawX);
LOGI("Hooked getRawX at %p", getRawX);
} else {
LOGE("Cannot find getX/getRawX function");
}
if (getRawY) {
DobbyHook(getRawY, (void*)hook_getRawY, (void**)&old_getRawY);
LOGI("Hooked getRawY at %p", getRawY);
} else {
LOGE("Cannot find getY/getRawY function");
}
LOGI("Input Hooks Ready: PointerId:%p, RawX:%p", getPointerId, getRawX);
// Hook getPointerId 保持兼容(可选)
if (getPointerId) {
DobbyHook(getPointerId, (void*)hook_getPointerId, (void**)&old_getPointerId);
LOGI("Hooked getPointerId at %p", getPointerId);
}
dlclose(libandroid); // 注意:dlclose 可能使 dlsym 返回的地址失效,但 DobbyHook 已复制指令,通常安全。建议不要 dlclose。
// 更安全的做法是不调用 dlclose,保持 libandroid 加载。这里注释掉 dlclose。
// dlclose(libandroid);
} else {
LOGE("Failed to load libandroid.so");
}
LOGI("Init thread finished");
return nullptr;
}
// ---------------------------------------------------------------------
// 入口点(构造函数)
// ---------------------------------------------------------------------
__attribute__((constructor))
void entry() {
pthread_t t;
pthread_create(&t, nullptr, init_thread, nullptr);
pthread_t thread;
pthread_create(&thread, nullptr, init_thread, nullptr);
pthread_detach(thread); // 让线程自动回收
}