/*************************************************************************/ /* java_godot_wrapper.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2020 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_wrapper.h" // JNIEnv is only valid within the thread it belongs to, in a multi threading environment // we can't cache it. // For Godot we call most access methods from our thread and we thus get a valid JNIEnv // from ThreadAndroid. For one or two we expect to pass the environment // TODO we could probably create a base class for this... GodotJavaWrapper::GodotJavaWrapper(JNIEnv *p_env, jobject p_godot_instance) { godot_instance = p_env->NewGlobalRef(p_godot_instance); // get info about our Godot class so we can get pointers and stuff... cls = p_env->FindClass("org/godotengine/godot/Godot"); if (cls) { cls = (jclass)p_env->NewGlobalRef(cls); } else { // this is a pretty serious fail.. bail... pointers will stay 0 return; } // get some method pointers... _on_video_init = p_env->GetMethodID(cls, "onVideoInit", "()V"); _restart = p_env->GetMethodID(cls, "restart", "()V"); _finish = p_env->GetMethodID(cls, "forceQuit", "()V"); _set_keep_screen_on = p_env->GetMethodID(cls, "setKeepScreenOn", "(Z)V"); _alert = p_env->GetMethodID(cls, "alert", "(Ljava/lang/String;Ljava/lang/String;)V"); _get_GLES_version_code = p_env->GetMethodID(cls, "getGLESVersionCode", "()I"); _get_clipboard = p_env->GetMethodID(cls, "getClipboard", "()Ljava/lang/String;"); _set_clipboard = p_env->GetMethodID(cls, "setClipboard", "(Ljava/lang/String;)V"); _request_permission = p_env->GetMethodID(cls, "requestPermission", "(Ljava/lang/String;)Z"); _request_permissions = p_env->GetMethodID(cls, "requestPermissions", "()Z"); _get_granted_permissions = p_env->GetMethodID(cls, "getGrantedPermissions", "()[Ljava/lang/String;"); _init_input_devices = p_env->GetMethodID(cls, "initInputDevices", "()V"); _get_surface = p_env->GetMethodID(cls, "getSurface", "()Landroid/view/Surface;"); _is_activity_resumed = p_env->GetMethodID(cls, "isActivityResumed", "()Z"); _vibrate = p_env->GetMethodID(cls, "vibrate", "(I)V"); _get_input_fallback_mapping = p_env->GetMethodID(cls, "getInputFallbackMapping", "()Ljava/lang/String;"); } GodotJavaWrapper::~GodotJavaWrapper() { // nothing to do here for now } jobject GodotJavaWrapper::get_activity() { // our godot instance is our activity return godot_instance; } jobject GodotJavaWrapper::get_member_object(const char *p_name, const char *p_class, JNIEnv *p_env) { if (cls) { if (p_env == NULL) p_env = ThreadAndroid::get_env(); jfieldID fid = p_env->GetStaticFieldID(cls, p_name, p_class); return p_env->GetStaticObjectField(cls, fid); } else { return NULL; } } jobject GodotJavaWrapper::get_class_loader() { if (cls) { JNIEnv *env = ThreadAndroid::get_env(); jmethodID getClassLoader = env->GetMethodID(cls, "getClassLoader", "()Ljava/lang/ClassLoader;"); return env->CallObjectMethod(godot_instance, getClassLoader); } else { return NULL; } } void GodotJavaWrapper::gfx_init(bool gl2) { // beats me what this once did, there was no code, // but we're getting false if our GLES3 driver is initialised // and true for our GLES2 driver // Maybe we're supposed to communicate this back or store it? } void GodotJavaWrapper::on_video_init(JNIEnv *p_env) { if (_on_video_init) if (p_env == NULL) p_env = ThreadAndroid::get_env(); p_env->CallVoidMethod(godot_instance, _on_video_init); } void GodotJavaWrapper::restart(JNIEnv *p_env) { if (_restart) if (p_env == NULL) p_env = ThreadAndroid::get_env(); p_env->CallVoidMethod(godot_instance, _restart); } void GodotJavaWrapper::force_quit(JNIEnv *p_env) { if (_finish) if (p_env == NULL) p_env = ThreadAndroid::get_env(); p_env->CallVoidMethod(godot_instance, _finish); } void GodotJavaWrapper::set_keep_screen_on(bool p_enabled) { if (_set_keep_screen_on) { JNIEnv *env = ThreadAndroid::get_env(); env->CallVoidMethod(godot_instance, _set_keep_screen_on, p_enabled); } } void GodotJavaWrapper::alert(const String &p_message, const String &p_title) { if (_alert) { JNIEnv *env = ThreadAndroid::get_env(); jstring jStrMessage = env->NewStringUTF(p_message.utf8().get_data()); jstring jStrTitle = env->NewStringUTF(p_title.utf8().get_data()); env->CallVoidMethod(godot_instance, _alert, jStrMessage, jStrTitle); } } int GodotJavaWrapper::get_gles_version_code() { JNIEnv *env = ThreadAndroid::get_env(); if (_get_GLES_version_code) { return env->CallIntMethod(godot_instance, _get_GLES_version_code); } return 0; } bool GodotJavaWrapper::has_get_clipboard() { return _get_clipboard != 0; } String GodotJavaWrapper::get_clipboard() { if (_get_clipboard) { JNIEnv *env = ThreadAndroid::get_env(); jstring s = (jstring)env->CallObjectMethod(godot_instance, _get_clipboard); return jstring_to_string(s, env); } else { return String(); } } String GodotJavaWrapper::get_input_fallback_mapping() { if (_get_input_fallback_mapping) { JNIEnv *env = ThreadAndroid::get_env(); jstring fallback_mapping = (jstring)env->CallObjectMethod(godot_instance, _get_input_fallback_mapping); return jstring_to_string(fallback_mapping, env); } else { return String(); } } bool GodotJavaWrapper::has_set_clipboard() { return _set_clipboard != 0; } void GodotJavaWrapper::set_clipboard(const String &p_text) { if (_set_clipboard) { JNIEnv *env = ThreadAndroid::get_env(); jstring jStr = env->NewStringUTF(p_text.utf8().get_data()); env->CallVoidMethod(godot_instance, _set_clipboard, jStr); } } bool GodotJavaWrapper::request_permission(const String &p_name) { if (_request_permission) { JNIEnv *env = ThreadAndroid::get_env(); jstring jStrName = env->NewStringUTF(p_name.utf8().get_data()); return env->CallBooleanMethod(godot_instance, _request_permission, jStrName); } else { return false; } } bool GodotJavaWrapper::request_permissions() { if (_request_permissions) { JNIEnv *env = ThreadAndroid::get_env(); return env->CallBooleanMethod(godot_instance, _request_permissions); } else { return false; } } Vector<String> GodotJavaWrapper::get_granted_permissions() const { Vector<String> permissions_list; if (_get_granted_permissions) { JNIEnv *env = ThreadAndroid::get_env(); jobject permissions_object = env->CallObjectMethod(godot_instance, _get_granted_permissions); jobjectArray *arr = reinterpret_cast<jobjectArray *>(&permissions_object); int i = 0; jsize len = env->GetArrayLength(*arr); for (i = 0; i < len; i++) { jstring jstr = (jstring)env->GetObjectArrayElement(*arr, i); String str = jstring_to_string(jstr, env); permissions_list.push_back(str); env->DeleteLocalRef(jstr); } } return permissions_list; } void GodotJavaWrapper::init_input_devices() { if (_init_input_devices) { JNIEnv *env = ThreadAndroid::get_env(); env->CallVoidMethod(godot_instance, _init_input_devices); } } jobject GodotJavaWrapper::get_surface() { if (_get_surface) { JNIEnv *env = ThreadAndroid::get_env(); return env->CallObjectMethod(godot_instance, _get_surface); } else { return NULL; } } bool GodotJavaWrapper::is_activity_resumed() { if (_is_activity_resumed) { JNIEnv *env = ThreadAndroid::get_env(); return env->CallBooleanMethod(godot_instance, _is_activity_resumed); } else { return false; } } void GodotJavaWrapper::vibrate(int p_duration_ms) { if (_vibrate) { JNIEnv *env = ThreadAndroid::get_env(); env->CallVoidMethod(godot_instance, _vibrate, p_duration_ms); } }