/*************************************************************************/ /* java_godot_lib_jni.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "java_godot_lib_jni.h" #include "java_godot_io_wrapper.h" #include "java_godot_wrapper.h" #include "android/asset_manager_jni.h" #include "android_input_handler.h" #include "api/java_class_wrapper.h" #include "api/jni_singleton.h" #include "core/config/engine.h" #include "core/config/project_settings.h" #include "core/input/input.h" #include "dir_access_jandroid.h" #include "display_server_android.h" #include "file_access_android.h" #include "file_access_filesystem_jandroid.h" #include "jni_utils.h" #include "main/main.h" #include "net_socket_android.h" #include "os_android.h" #include "string_android.h" #include "thread_jandroid.h" #include "tts_android.h" #include <android/input.h> #include <unistd.h> #include <android/native_window_jni.h> static JavaClassWrapper *java_class_wrapper = nullptr; static OS_Android *os_android = nullptr; static AndroidInputHandler *input_handler = nullptr; static GodotJavaWrapper *godot_java = nullptr; static GodotIOJavaWrapper *godot_io_java = nullptr; static SafeNumeric<int> step; // Shared between UI and render threads static Size2 new_size; static Vector3 accelerometer; static Vector3 gravity; static Vector3 magnetometer; static Vector3 gyroscope; static void _terminate(JNIEnv *env, bool p_restart = false) { step.set(-1); // Ensure no further steps are attempted and no further events are sent // lets cleanup if (java_class_wrapper) { memdelete(java_class_wrapper); } if (input_handler) { delete input_handler; } // Whether restarting is handled by 'Main::cleanup()' bool restart_on_cleanup = false; if (os_android) { restart_on_cleanup = os_android->is_restart_on_exit_set(); os_android->main_loop_end(); Main::cleanup(); delete os_android; } if (godot_io_java) { delete godot_io_java; } if (godot_java) { if (!restart_on_cleanup) { if (p_restart) { godot_java->restart(env); } else { godot_java->force_quit(env); } } delete godot_java; } } extern "C" { JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_setVirtualKeyboardHeight(JNIEnv *env, jclass clazz, jint p_height) { if (godot_io_java) { godot_io_java->set_vk_height(p_height); } } JNIEXPORT jboolean JNICALL Java_org_godotengine_godot_GodotLib_initialize(JNIEnv *env, jclass clazz, jobject p_activity, jobject p_godot_instance, jobject p_asset_manager, jobject p_godot_io, jobject p_net_utils, jobject p_directory_access_handler, jobject p_file_access_handler, jboolean p_use_apk_expansion, jobject p_godot_tts) { JavaVM *jvm; env->GetJavaVM(&jvm); // create our wrapper classes godot_java = new GodotJavaWrapper(env, p_activity, p_godot_instance); godot_io_java = new GodotIOJavaWrapper(env, p_godot_io); init_thread_jandroid(jvm, env); jobject amgr = env->NewGlobalRef(p_asset_manager); FileAccessAndroid::asset_manager = AAssetManager_fromJava(env, amgr); DirAccessJAndroid::setup(p_directory_access_handler); FileAccessFilesystemJAndroid::setup(p_file_access_handler); NetSocketAndroid::setup(p_net_utils); TTS_Android::setup(p_godot_tts); os_android = new OS_Android(godot_java, godot_io_java, p_use_apk_expansion); return godot_java->on_video_init(env); } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_ondestroy(JNIEnv *env, jclass clazz) { _terminate(env, false); } JNIEXPORT jboolean JNICALL Java_org_godotengine_godot_GodotLib_setup(JNIEnv *env, jclass clazz, jobjectArray p_cmdline) { setup_android_thread(); const char **cmdline = nullptr; jstring *j_cmdline = nullptr; int cmdlen = 0; if (p_cmdline) { cmdlen = env->GetArrayLength(p_cmdline); if (cmdlen) { cmdline = (const char **)memalloc((cmdlen + 1) * sizeof(const char *)); ERR_FAIL_NULL_V_MSG(cmdline, false, "Out of memory."); cmdline[cmdlen] = nullptr; j_cmdline = (jstring *)memalloc(cmdlen * sizeof(jstring)); ERR_FAIL_NULL_V_MSG(j_cmdline, false, "Out of memory."); for (int i = 0; i < cmdlen; i++) { jstring string = (jstring)env->GetObjectArrayElement(p_cmdline, i); const char *rawString = env->GetStringUTFChars(string, nullptr); cmdline[i] = rawString; j_cmdline[i] = string; } } } Error err = Main::setup(OS_Android::ANDROID_EXEC_PATH, cmdlen, (char **)cmdline, false); if (cmdline) { if (j_cmdline) { for (int i = 0; i < cmdlen; ++i) { env->ReleaseStringUTFChars(j_cmdline[i], cmdline[i]); } memfree(j_cmdline); } memfree(cmdline); } // Note: --help and --version return ERR_HELP, but this should be translated to 0 if exit codes are propagated. if (err != OK) { return false; } java_class_wrapper = memnew(JavaClassWrapper(godot_java->get_activity())); GDREGISTER_CLASS(JNISingleton); return true; } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_resize(JNIEnv *env, jclass clazz, jobject p_surface, jint p_width, jint p_height) { if (os_android) { os_android->set_display_size(Size2i(p_width, p_height)); // No need to reset the surface during startup if (step.get() > 0) { if (p_surface) { ANativeWindow *native_window = ANativeWindow_fromSurface(env, p_surface); os_android->set_native_window(native_window); DisplayServerAndroid::get_singleton()->reset_window(); DisplayServerAndroid::get_singleton()->notify_surface_changed(p_width, p_height); } } } } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_newcontext(JNIEnv *env, jclass clazz, jobject p_surface) { if (os_android) { if (step.get() == 0) { // During startup if (p_surface) { ANativeWindow *native_window = ANativeWindow_fromSurface(env, p_surface); os_android->set_native_window(native_window); } } else { // Rendering context recreated because it was lost; restart app to let it reload everything _terminate(env, true); } } } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_back(JNIEnv *env, jclass clazz) { if (step.get() == 0) { return; } if (DisplayServerAndroid *dsa = Object::cast_to<DisplayServerAndroid>(DisplayServer::get_singleton())) { dsa->send_window_event(DisplayServer::WINDOW_EVENT_GO_BACK_REQUEST); } } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_ttsCallback(JNIEnv *env, jclass clazz, jint event, jint id, jint pos) { TTS_Android::_java_utterance_callback(event, id, pos); } JNIEXPORT jboolean JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, jclass clazz) { if (step.get() == -1) { return true; } if (step.get() == 0) { // Since Godot is initialized on the UI thread, main_thread_id was set to that thread's id, // but for Godot purposes, the main thread is the one running the game loop Main::setup2(Thread::get_caller_id()); input_handler = new AndroidInputHandler(); step.increment(); return true; } if (step.get() == 1) { if (!Main::start()) { return true; // should exit instead and print the error } godot_java->on_godot_setup_completed(env); os_android->main_loop_begin(); godot_java->on_godot_main_loop_started(env); step.increment(); } DisplayServerAndroid::get_singleton()->process_accelerometer(accelerometer); DisplayServerAndroid::get_singleton()->process_gravity(gravity); DisplayServerAndroid::get_singleton()->process_magnetometer(magnetometer); DisplayServerAndroid::get_singleton()->process_gyroscope(gyroscope); bool should_swap_buffers = false; if (os_android->main_loop_iterate(&should_swap_buffers)) { _terminate(env, false); } return should_swap_buffers; } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_dispatchMouseEvent(JNIEnv *env, jclass clazz, jint p_event_type, jint p_button_mask, jfloat p_x, jfloat p_y, jfloat p_delta_x, jfloat p_delta_y, jboolean p_double_click, jboolean p_source_mouse_relative) { if (step.get() <= 0) { return; } input_handler->process_mouse_event(p_event_type, p_button_mask, Point2(p_x, p_y), Vector2(p_delta_x, p_delta_y), p_double_click, p_source_mouse_relative); } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_dispatchTouchEvent(JNIEnv *env, jclass clazz, jint ev, jint pointer, jint pointer_count, jfloatArray position, jboolean p_double_tap) { if (step.get() <= 0) { return; } Vector<AndroidInputHandler::TouchPos> points; for (int i = 0; i < pointer_count; i++) { jfloat p[3]; env->GetFloatArrayRegion(position, i * 3, 3, p); AndroidInputHandler::TouchPos tp; tp.pos = Point2(p[1], p[2]); tp.id = (int)p[0]; points.push_back(tp); } input_handler->process_touch_event(ev, pointer, points, p_double_tap); } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_magnify(JNIEnv *env, jclass clazz, jfloat p_x, jfloat p_y, jfloat p_factor) { if (step.get() <= 0) { return; } input_handler->process_magnify(Point2(p_x, p_y), p_factor); } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_pan(JNIEnv *env, jclass clazz, jfloat p_x, jfloat p_y, jfloat p_delta_x, jfloat p_delta_y) { if (step.get() <= 0) { return; } input_handler->process_pan(Point2(p_x, p_y), Vector2(p_delta_x, p_delta_y)); } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joybutton(JNIEnv *env, jclass clazz, jint p_device, jint p_button, jboolean p_pressed) { if (step.get() <= 0) { return; } AndroidInputHandler::JoypadEvent jevent; jevent.device = p_device; jevent.type = AndroidInputHandler::JOY_EVENT_BUTTON; jevent.index = p_button; jevent.pressed = p_pressed; input_handler->process_joy_event(jevent); } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyaxis(JNIEnv *env, jclass clazz, jint p_device, jint p_axis, jfloat p_value) { if (step.get() <= 0) { return; } AndroidInputHandler::JoypadEvent jevent; jevent.device = p_device; jevent.type = AndroidInputHandler::JOY_EVENT_AXIS; jevent.index = p_axis; jevent.value = p_value; input_handler->process_joy_event(jevent); } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyhat(JNIEnv *env, jclass clazz, jint p_device, jint p_hat_x, jint p_hat_y) { if (step.get() <= 0) { return; } AndroidInputHandler::JoypadEvent jevent; jevent.device = p_device; jevent.type = AndroidInputHandler::JOY_EVENT_HAT; HatMask hat = HatMask::CENTER; if (p_hat_x != 0) { if (p_hat_x < 0) { hat |= HatMask::LEFT; } else { hat |= HatMask::RIGHT; } } if (p_hat_y != 0) { if (p_hat_y < 0) { hat |= HatMask::UP; } else { hat |= HatMask::DOWN; } } jevent.hat = hat; input_handler->process_joy_event(jevent); } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyconnectionchanged(JNIEnv *env, jclass clazz, jint p_device, jboolean p_connected, jstring p_name) { if (os_android) { String name = jstring_to_string(p_name, env); Input::get_singleton()->joy_connection_changed(p_device, p_connected, name); } } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_key(JNIEnv *env, jclass clazz, jint p_keycode, jint p_physical_keycode, jint p_unicode, jboolean p_pressed) { if (step.get() <= 0) { return; } input_handler->process_key_event(p_keycode, p_physical_keycode, p_unicode, p_pressed); } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_accelerometer(JNIEnv *env, jclass clazz, jfloat x, jfloat y, jfloat z) { accelerometer = Vector3(x, y, z); } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_gravity(JNIEnv *env, jclass clazz, jfloat x, jfloat y, jfloat z) { gravity = Vector3(x, y, z); } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_magnetometer(JNIEnv *env, jclass clazz, jfloat x, jfloat y, jfloat z) { magnetometer = Vector3(x, y, z); } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_gyroscope(JNIEnv *env, jclass clazz, jfloat x, jfloat y, jfloat z) { gyroscope = Vector3(x, y, z); } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_focusin(JNIEnv *env, jclass clazz) { if (step.get() <= 0) { return; } os_android->main_loop_focusin(); } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_focusout(JNIEnv *env, jclass clazz) { if (step.get() <= 0) { return; } os_android->main_loop_focusout(); } JNIEXPORT jstring JNICALL Java_org_godotengine_godot_GodotLib_getGlobal(JNIEnv *env, jclass clazz, jstring path) { String js = jstring_to_string(path, env); return env->NewStringUTF(GLOBAL_GET(js).operator String().utf8().get_data()); } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_callobject(JNIEnv *env, jclass clazz, jlong ID, jstring method, jobjectArray params) { Object *obj = ObjectDB::get_instance(ObjectID(ID)); ERR_FAIL_NULL(obj); int res = env->PushLocalFrame(16); ERR_FAIL_COND(res != 0); String str_method = jstring_to_string(method, env); int count = env->GetArrayLength(params); Variant *vlist = (Variant *)alloca(sizeof(Variant) * count); Variant **vptr = (Variant **)alloca(sizeof(Variant *) * count); for (int i = 0; i < count; i++) { jobject jobj = env->GetObjectArrayElement(params, i); Variant v; if (jobj) { v = _jobject_to_variant(env, jobj); } memnew_placement(&vlist[i], Variant); vlist[i] = v; vptr[i] = &vlist[i]; env->DeleteLocalRef(jobj); } Callable::CallError err; obj->callp(str_method, (const Variant **)vptr, count, err); env->PopLocalFrame(nullptr); } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_calldeferred(JNIEnv *env, jclass clazz, jlong ID, jstring method, jobjectArray params) { Object *obj = ObjectDB::get_instance(ObjectID(ID)); ERR_FAIL_NULL(obj); int res = env->PushLocalFrame(16); ERR_FAIL_COND(res != 0); String str_method = jstring_to_string(method, env); int count = env->GetArrayLength(params); Variant *args = (Variant *)alloca(sizeof(Variant) * count); const Variant **argptrs = (const Variant **)alloca(sizeof(Variant *) * count); for (int i = 0; i < count; i++) { jobject jobj = env->GetObjectArrayElement(params, i); if (jobj) { args[i] = _jobject_to_variant(env, jobj); } env->DeleteLocalRef(jobj); argptrs[i] = &args[i]; } MessageQueue::get_singleton()->push_callp(obj, str_method, (const Variant **)argptrs, count); env->PopLocalFrame(nullptr); } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_requestPermissionResult(JNIEnv *env, jclass clazz, jstring p_permission, jboolean p_result) { String permission = jstring_to_string(p_permission, env); if (permission == "android.permission.RECORD_AUDIO" && p_result) { AudioDriver::get_singleton()->capture_start(); } if (os_android->get_main_loop()) { os_android->get_main_loop()->emit_signal(SNAME("on_request_permissions_result"), permission, p_result == JNI_TRUE); } } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_onRendererResumed(JNIEnv *env, jclass clazz) { if (step.get() <= 0) { return; } // We force redraw to ensure we render at least once when resuming the app. Main::force_redraw(); if (os_android->get_main_loop()) { os_android->get_main_loop()->notification(MainLoop::NOTIFICATION_APPLICATION_RESUMED); } } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_onRendererPaused(JNIEnv *env, jclass clazz) { if (step.get() <= 0) { return; } if (os_android->get_main_loop()) { os_android->get_main_loop()->notification(MainLoop::NOTIFICATION_APPLICATION_PAUSED); } } }