abaa032fae
- checking for validity of ENV in wrapper classes
- fix for access to JavaVM from threads
(cherry picked from commit b3a43430aa)
329 lines
11 KiB
C++
329 lines
11 KiB
C++
/*************************************************************************/
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/* java_godot_wrapper.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "java_godot_wrapper.h"
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// JNIEnv is only valid within the thread it belongs to, in a multi threading environment
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// we can't cache it.
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// For Godot we call most access methods from our thread and we thus get a valid JNIEnv
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// from ThreadAndroid. For one or two we expect to pass the environment
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// TODO we could probably create a base class for this...
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GodotJavaWrapper::GodotJavaWrapper(JNIEnv *p_env, jobject p_activity, jobject p_godot_instance) {
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godot_instance = p_env->NewGlobalRef(p_godot_instance);
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activity = p_env->NewGlobalRef(p_activity);
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// get info about our Godot class so we can get pointers and stuff...
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godot_class = p_env->FindClass("org/godotengine/godot/Godot");
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if (godot_class) {
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godot_class = (jclass)p_env->NewGlobalRef(godot_class);
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} else {
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// this is a pretty serious fail.. bail... pointers will stay 0
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return;
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}
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activity_class = p_env->FindClass("android/app/Activity");
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if (activity_class) {
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activity_class = (jclass)p_env->NewGlobalRef(activity_class);
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} else {
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// this is a pretty serious fail.. bail... pointers will stay 0
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return;
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}
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// get some Godot method pointers...
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_on_video_init = p_env->GetMethodID(godot_class, "onVideoInit", "()V");
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_restart = p_env->GetMethodID(godot_class, "restart", "()V");
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_finish = p_env->GetMethodID(godot_class, "forceQuit", "()V");
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_set_keep_screen_on = p_env->GetMethodID(godot_class, "setKeepScreenOn", "(Z)V");
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_alert = p_env->GetMethodID(godot_class, "alert", "(Ljava/lang/String;Ljava/lang/String;)V");
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_get_GLES_version_code = p_env->GetMethodID(godot_class, "getGLESVersionCode", "()I");
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_get_clipboard = p_env->GetMethodID(godot_class, "getClipboard", "()Ljava/lang/String;");
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_set_clipboard = p_env->GetMethodID(godot_class, "setClipboard", "(Ljava/lang/String;)V");
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_request_permission = p_env->GetMethodID(godot_class, "requestPermission", "(Ljava/lang/String;)Z");
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_request_permissions = p_env->GetMethodID(godot_class, "requestPermissions", "()Z");
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_get_granted_permissions = p_env->GetMethodID(godot_class, "getGrantedPermissions", "()[Ljava/lang/String;");
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_init_input_devices = p_env->GetMethodID(godot_class, "initInputDevices", "()V");
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_get_surface = p_env->GetMethodID(godot_class, "getSurface", "()Landroid/view/Surface;");
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_is_activity_resumed = p_env->GetMethodID(godot_class, "isActivityResumed", "()Z");
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_vibrate = p_env->GetMethodID(godot_class, "vibrate", "(I)V");
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_get_input_fallback_mapping = p_env->GetMethodID(godot_class, "getInputFallbackMapping", "()Ljava/lang/String;");
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_on_godot_setup_completed = p_env->GetMethodID(godot_class, "onGodotSetupCompleted", "()V");
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_on_godot_main_loop_started = p_env->GetMethodID(godot_class, "onGodotMainLoopStarted", "()V");
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// get some Activity method pointers...
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_get_class_loader = p_env->GetMethodID(activity_class, "getClassLoader", "()Ljava/lang/ClassLoader;");
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}
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GodotJavaWrapper::~GodotJavaWrapper() {
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// nothing to do here for now
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}
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jobject GodotJavaWrapper::get_activity() {
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return activity;
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}
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jobject GodotJavaWrapper::get_member_object(const char *p_name, const char *p_class, JNIEnv *p_env) {
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if (godot_class) {
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if (p_env == NULL)
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p_env = get_jni_env();
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ERR_FAIL_COND_V(p_env == nullptr, nullptr);
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jfieldID fid = p_env->GetStaticFieldID(godot_class, p_name, p_class);
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return p_env->GetStaticObjectField(godot_class, fid);
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} else {
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return NULL;
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}
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}
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jobject GodotJavaWrapper::get_class_loader() {
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if (_get_class_loader) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, nullptr);
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return env->CallObjectMethod(activity, _get_class_loader);
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} else {
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return NULL;
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}
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}
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void GodotJavaWrapper::gfx_init(bool gl2) {
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// beats me what this once did, there was no code,
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// but we're getting false if our GLES3 driver is initialised
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// and true for our GLES2 driver
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// Maybe we're supposed to communicate this back or store it?
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}
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void GodotJavaWrapper::on_video_init(JNIEnv *p_env) {
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if (_on_video_init) {
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if (p_env == NULL)
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p_env = get_jni_env();
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ERR_FAIL_COND(p_env == nullptr);
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p_env->CallVoidMethod(godot_instance, _on_video_init);
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}
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}
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void GodotJavaWrapper::on_godot_setup_completed(JNIEnv *p_env) {
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if (_on_godot_setup_completed) {
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if (p_env == NULL) {
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p_env = get_jni_env();
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}
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ERR_FAIL_COND(p_env == nullptr);
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p_env->CallVoidMethod(godot_instance, _on_godot_setup_completed);
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}
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}
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void GodotJavaWrapper::on_godot_main_loop_started(JNIEnv *p_env) {
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if (_on_godot_main_loop_started) {
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if (p_env == NULL) {
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p_env = get_jni_env();
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}
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ERR_FAIL_COND(p_env == nullptr);
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p_env->CallVoidMethod(godot_instance, _on_godot_main_loop_started);
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}
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}
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void GodotJavaWrapper::restart(JNIEnv *p_env) {
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if (_restart) {
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if (p_env == NULL)
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p_env = get_jni_env();
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ERR_FAIL_COND(p_env == nullptr);
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p_env->CallVoidMethod(godot_instance, _restart);
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}
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}
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void GodotJavaWrapper::force_quit(JNIEnv *p_env) {
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if (_finish) {
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if (p_env == NULL)
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p_env = get_jni_env();
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ERR_FAIL_COND(p_env == nullptr);
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p_env->CallVoidMethod(godot_instance, _finish);
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}
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}
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void GodotJavaWrapper::set_keep_screen_on(bool p_enabled) {
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if (_set_keep_screen_on) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND(env == nullptr);
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env->CallVoidMethod(godot_instance, _set_keep_screen_on, p_enabled);
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}
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}
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void GodotJavaWrapper::alert(const String &p_message, const String &p_title) {
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if (_alert) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND(env == nullptr);
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jstring jStrMessage = env->NewStringUTF(p_message.utf8().get_data());
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jstring jStrTitle = env->NewStringUTF(p_title.utf8().get_data());
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env->CallVoidMethod(godot_instance, _alert, jStrMessage, jStrTitle);
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}
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}
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int GodotJavaWrapper::get_gles_version_code() {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, 0);
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if (_get_GLES_version_code) {
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return env->CallIntMethod(godot_instance, _get_GLES_version_code);
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}
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return 0;
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}
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bool GodotJavaWrapper::has_get_clipboard() {
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return _get_clipboard != 0;
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}
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String GodotJavaWrapper::get_clipboard() {
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if (_get_clipboard) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, String());
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jstring s = (jstring)env->CallObjectMethod(godot_instance, _get_clipboard);
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return jstring_to_string(s, env);
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} else {
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return String();
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}
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}
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String GodotJavaWrapper::get_input_fallback_mapping() {
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if (_get_input_fallback_mapping) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, String());
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jstring fallback_mapping = (jstring)env->CallObjectMethod(godot_instance, _get_input_fallback_mapping);
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return jstring_to_string(fallback_mapping, env);
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} else {
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return String();
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}
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}
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bool GodotJavaWrapper::has_set_clipboard() {
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return _set_clipboard != 0;
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}
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void GodotJavaWrapper::set_clipboard(const String &p_text) {
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if (_set_clipboard) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND(env == nullptr);
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jstring jStr = env->NewStringUTF(p_text.utf8().get_data());
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env->CallVoidMethod(godot_instance, _set_clipboard, jStr);
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}
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}
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bool GodotJavaWrapper::request_permission(const String &p_name) {
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if (_request_permission) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, false);
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jstring jStrName = env->NewStringUTF(p_name.utf8().get_data());
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return env->CallBooleanMethod(godot_instance, _request_permission, jStrName);
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} else {
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return false;
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}
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}
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bool GodotJavaWrapper::request_permissions() {
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if (_request_permissions) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, false);
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return env->CallBooleanMethod(godot_instance, _request_permissions);
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} else {
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return false;
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}
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}
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Vector<String> GodotJavaWrapper::get_granted_permissions() const {
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Vector<String> permissions_list;
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if (_get_granted_permissions) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, permissions_list);
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jobject permissions_object = env->CallObjectMethod(godot_instance, _get_granted_permissions);
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jobjectArray *arr = reinterpret_cast<jobjectArray *>(&permissions_object);
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int i = 0;
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jsize len = env->GetArrayLength(*arr);
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for (i = 0; i < len; i++) {
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jstring jstr = (jstring)env->GetObjectArrayElement(*arr, i);
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String str = jstring_to_string(jstr, env);
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permissions_list.push_back(str);
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env->DeleteLocalRef(jstr);
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}
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}
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return permissions_list;
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}
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void GodotJavaWrapper::init_input_devices() {
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if (_init_input_devices) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND(env == nullptr);
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env->CallVoidMethod(godot_instance, _init_input_devices);
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}
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}
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jobject GodotJavaWrapper::get_surface() {
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if (_get_surface) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, nullptr);
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return env->CallObjectMethod(godot_instance, _get_surface);
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} else {
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return NULL;
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}
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}
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bool GodotJavaWrapper::is_activity_resumed() {
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if (_is_activity_resumed) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, false);
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return env->CallBooleanMethod(godot_instance, _is_activity_resumed);
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} else {
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return false;
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}
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}
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void GodotJavaWrapper::vibrate(int p_duration_ms) {
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if (_vibrate) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND(env == nullptr);
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env->CallVoidMethod(godot_instance, _vibrate, p_duration_ms);
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}
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}
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