mirror of
https://github.com/ocornut/imgui.git
synced 2026-11-06 14:35:51 +01:00
113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
#include <pthread.h>
|
||
#include <dlfcn.h>
|
||
#include <EGL/egl.h>
|
||
#include <GLES3/gl3.h>
|
||
#include "imgui.h"
|
||
#include "imgui_impl_android.h"
|
||
#include "imgui_impl_opengl3.h"
|
||
#include "dobby.h"
|
||
#include <android/log.h>
|
||
#include <android/input.h>
|
||
|
||
#define LOG_TAG "AndKitty_Menu"
|
||
#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, 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 {
|
||
float x, y;
|
||
bool down;
|
||
} g_Touch = {0, 0, false};
|
||
|
||
// --- 原函数指针 ---
|
||
typedef int32_t (*p_getPointerId)(const AInputEvent* motion_event, size_t pointer_index);
|
||
static p_getPointerId old_getPointerId = nullptr;
|
||
|
||
typedef EGLBoolean (*p_eglSwapBuffers)(EGLDisplay dpy, EGLSurface surface);
|
||
static p_eglSwapBuffers old_eglSwapBuffers = nullptr;
|
||
|
||
// --- 【核心】极简拦截器 ---
|
||
// 参考主流做法：Hook getPointerId 是获取 InputEvent 最稳妥的时机
|
||
int32_t hook_getPointerId(const AInputEvent* event, size_t index) {
|
||
if (AInputEvent_getType(event) == AINPUT_EVENT_TYPE_MOTION) {
|
||
int32_t action = AMotionEvent_getAction(event) & AMOTION_EVENT_ACTION_MASK;
|
||
|
||
// 记录坐标和状态
|
||
g_Touch.x = AMotionEvent_getX(event, 0);
|
||
g_Touch.y = AMotionEvent_getY(event, 0);
|
||
|
||
if (action == AMOTION_EVENT_ACTION_DOWN) g_Touch.down = true;
|
||
else if (action == AMOTION_EVENT_ACTION_UP || action == AMOTION_EVENT_ACTION_CANCEL) g_Touch.down = false;
|
||
}
|
||
return old_getPointerId(event, index);
|
||
}
|
||
|
||
// --- 渲染逻辑 ---
|
||
EGLBoolean hook_eglSwapBuffers(EGLDisplay dpy, EGLSurface surface) {
|
||
if (g_Width <= 0) {
|
||
EGLint w, h;
|
||
eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
|
||
eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
|
||
g_Width = (float)w; g_Height = (float)h;
|
||
}
|
||
|
||
if (!g_Initialized) {
|
||
ImGui::CreateContext();
|
||
ImGui_ImplOpenGL3_Init("#version 300 es");
|
||
ImGui::GetStyle().ScaleAllSizes(3.0f); // 适配高分屏
|
||
g_Initialized = true;
|
||
}
|
||
|
||
ImGui_ImplOpenGL3_NewFrame();
|
||
ImGui::NewFrame();
|
||
|
||
if (g_ShowMenu) {
|
||
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;
|
||
|
||
ImGui::SetNextWindowSize(ImVec2(550, 400), ImGuiCond_FirstUseEver);
|
||
if (ImGui::Begin("AndKitty SGame Lite", &g_ShowMenu)) {
|
||
ImGui::Text("Simple Input Mode Active");
|
||
ImGui::Separator();
|
||
ImGui::Text("Touch: %.1f, %.1f (%s)", g_Touch.x, g_Touch.y, g_Touch.down ? "DOWN" : "UP");
|
||
|
||
static float f = 0.5f;
|
||
ImGui::SliderFloat("Value Test", &f, 0.0f, 1.0f);
|
||
|
||
if (ImGui::Button("Hide Menu")) g_ShowMenu = false;
|
||
}
|
||
ImGui::End();
|
||
}
|
||
|
||
ImGui::Render();
|
||
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
|
||
return old_eglSwapBuffers(dpy, surface);
|
||
}
|
||
|
||
void* init_thread(void*) {
|
||
// 渲染 Hook
|
||
void* egl = dlsym(RTLD_DEFAULT, "eglSwapBuffers");
|
||
if (egl) DobbyHook(egl, (void*)hook_eglSwapBuffers, (void**)&old_eglSwapBuffers);
|
||
|
||
// 输入 Hook: 锁定 libandroid.so 或直接从 RTLD_DEFAULT 找
|
||
// 绝大多数 Mod 使用 AMotionEvent_getPointerId 作为切入点
|
||
void* getPointerId = dlsym(RTLD_DEFAULT, "AMotionEvent_getPointerId");
|
||
if (getPointerId) {
|
||
DobbyHook(getPointerId, (void*)hook_getPointerId, (void**)&old_getPointerId);
|
||
LOGI("Simple Hook Applied: getPointerId");
|
||
}
|
||
|
||
return nullptr;
|
||
}
|
||
|
||
__attribute__((constructor))
|
||
void entry() {
|
||
pthread_t t;
|
||
pthread_create(&t, nullptr, init_thread, nullptr);
|
||
}
|