/*************************************************************************/ /* java_godot_lib_jni.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 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 "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 <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 bool initialized = false; 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; 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 void JNICALL Java_org_godotengine_godot_GodotLib_initialize(JNIEnv *env, jclass clazz, jobject activity, jobject godot_instance, jobject p_asset_manager, jboolean p_use_apk_expansion) { initialized = true; JavaVM *jvm; env->GetJavaVM(&jvm); // create our wrapper classes godot_java = new GodotJavaWrapper(env, activity, godot_instance); godot_io_java = new GodotIOJavaWrapper(env, godot_java->get_member_object("io", "Lorg/godotengine/godot/GodotIO;", env)); init_thread_jandroid(jvm, env); jobject amgr = env->NewGlobalRef(p_asset_manager); FileAccessAndroid::asset_manager = AAssetManager_fromJava(env, amgr); DirAccessJAndroid::setup(godot_io_java->get_instance()); NetSocketAndroid::setup(godot_java->get_member_object("netUtils", "Lorg/godotengine/godot/utils/GodotNetUtils;", env)); os_android = new OS_Android(godot_java, godot_io_java, p_use_apk_expansion); char wd[500]; getcwd(wd, 500); godot_java->on_video_init(env); } JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_ondestroy(JNIEnv *env, jclass clazz) { // lets cleanup if (godot_io_java) { delete godot_io_java; } if (godot_java) { delete godot_java; } if (input_handler) { delete input_handler; } if (os_android) { delete os_android; } } JNIEXPORT void 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_MSG(cmdline, "Out of memory."); cmdline[cmdlen] = nullptr; j_cmdline = (jstring *)memalloc(cmdlen * sizeof(jstring)); ERR_FAIL_NULL_MSG(j_cmdline, "Out of memory."); for (int i = 0; i < cmdlen; i++) { jstring string = (jstring)env->GetObjectArrayElement(p_cmdline, i); const char *rawString = env->GetStringUTFChars(string, 0); cmdline[i] = rawString; j_cmdline[i] = string; } } } Error err = Main::setup("apk", 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); } if (err != OK) { return; // should exit instead and print the error } java_class_wrapper = memnew(JavaClassWrapper(godot_java->get_activity())); GDREGISTER_CLASS(JNISingleton); } 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 step.set(-1); // Ensure no further steps are attempted and no further events are sent os_android->main_loop_end(); godot_java->restart(env); } } } 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_step(JNIEnv *env, jclass clazz) { if (step.get() == -1) return; 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; } if (step.get() == 1) { if (!Main::start()) { return; // 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); if (os_android->main_loop_iterate()) { godot_java->force_quit(env); } } void touch_preprocessing(JNIEnv *env, jclass clazz, jint input_device, jint ev, jint pointer, jint pointer_count, jfloatArray positions, jint buttons_mask, jfloat vertical_factor, jfloat horizontal_factor) { if (step.get() <= 0) return; Vector<AndroidInputHandler::TouchPos> points; for (int i = 0; i < pointer_count; i++) { jfloat p[3]; env->GetFloatArrayRegion(positions, i * 3, 3, p); AndroidInputHandler::TouchPos tp; tp.pos = Point2(p[1], p[2]); tp.id = (int)p[0]; points.push_back(tp); } if ((input_device & AINPUT_SOURCE_MOUSE) == AINPUT_SOURCE_MOUSE || (input_device & AINPUT_SOURCE_MOUSE_RELATIVE) == AINPUT_SOURCE_MOUSE_RELATIVE) { input_handler->process_mouse_event(input_device, ev, buttons_mask, points[0].pos, vertical_factor, horizontal_factor); } else { input_handler->process_touch(ev, pointer, points); } } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_touch__IIII_3F(JNIEnv *env, jclass clazz, jint input_device, jint ev, jint pointer, jint pointer_count, jfloatArray position) { touch_preprocessing(env, clazz, input_device, ev, pointer, pointer_count, position); } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_touch__IIII_3FI(JNIEnv *env, jclass clazz, jint input_device, jint ev, jint pointer, jint pointer_count, jfloatArray position, jint buttons_mask) { touch_preprocessing(env, clazz, input_device, ev, pointer, pointer_count, position, buttons_mask); } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_touch__IIII_3FIFF(JNIEnv *env, jclass clazz, jint input_device, jint ev, jint pointer, jint pointer_count, jfloatArray position, jint buttons_mask, jfloat vertical_factor, jfloat horizontal_factor) { touch_preprocessing(env, clazz, input_device, ev, pointer, pointer_count, position, buttons_mask, vertical_factor, horizontal_factor); } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_hover(JNIEnv *env, jclass clazz, jint p_type, jfloat p_x, jfloat p_y) { if (step.get() <= 0) return; input_handler->process_hover(p_type, Point2(p_x, p_y)); } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_doubleTap(JNIEnv *env, jclass clazz, jint p_button_mask, jint p_x, jint p_y) { if (step.get() <= 0) return; input_handler->process_double_tap(p_button_mask, Point2(p_x, p_y)); } // Called on the UI thread JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_scroll(JNIEnv *env, jclass clazz, jint p_x, jint p_y) { if (step.get() <= 0) return; input_handler->process_scroll(Point2(p_x, p_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_scancode, jint p_unicode_char, jboolean p_pressed) { if (step.get() <= 0) return; input_handler->process_key_event(p_keycode, p_scancode, p_unicode_char, 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(ProjectSettings::get_singleton()->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_COND(!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 obj = env->GetObjectArrayElement(params, i); Variant v; if (obj) v = _jobject_to_variant(env, obj); memnew_placement(&vlist[i], Variant); vlist[i] = v; vptr[i] = &vlist[i]; env->DeleteLocalRef(obj); }; Callable::CallError err; obj->call(str_method, (const Variant **)vptr, count, err); // something 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_COND(!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_ARG_MAX]; for (int i = 0; i < MIN(count, VARIANT_ARG_MAX); i++) { jobject obj = env->GetObjectArrayElement(params, i); if (obj) args[i] = _jobject_to_variant(env, obj); env->DeleteLocalRef(obj); }; static_assert(VARIANT_ARG_MAX == 8, "This code needs to be updated if VARIANT_ARG_MAX != 8"); obj->call_deferred(str_method, args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7]); // something 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; 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); } } }