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- /*************************************************************************/
- /* godot_plugin_jni.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 "godot_plugin_jni.h"
- #include <core/engine.h>
- #include <core/error_macros.h>
- #include <core/project_settings.h>
- #include <platform/android/api/jni_singleton.h>
- #include <platform/android/jni_utils.h>
- #include <platform/android/string_android.h>
- static HashMap<String, JNISingleton *> jni_singletons;
- extern "C" {
- JNIEXPORT void JNICALL Java_org_godotengine_godot_plugin_GodotPlugin_nativeRegisterSingleton(JNIEnv *env, jclass clazz, jstring name, jobject obj) {
- String singname = jstring_to_string(name, env);
- JNISingleton *s = (JNISingleton *)ClassDB::instance("JNISingleton");
- s->set_instance(env->NewGlobalRef(obj));
- jni_singletons[singname] = s;
- Engine::get_singleton()->add_singleton(Engine::Singleton(singname, s));
- ProjectSettings::get_singleton()->set(singname, s);
- }
- JNIEXPORT void JNICALL Java_org_godotengine_godot_plugin_GodotPlugin_nativeRegisterMethod(JNIEnv *env, jclass clazz, jstring sname, jstring name, jstring ret, jobjectArray args) {
- String singname = jstring_to_string(sname, env);
- ERR_FAIL_COND(!jni_singletons.has(singname));
- JNISingleton *s = jni_singletons.get(singname);
- String mname = jstring_to_string(name, env);
- String retval = jstring_to_string(ret, env);
- Vector<Variant::Type> types;
- String cs = "(";
- int stringCount = env->GetArrayLength(args);
- for (int i = 0; i < stringCount; i++) {
- jstring string = (jstring)env->GetObjectArrayElement(args, i);
- const String rawString = jstring_to_string(string, env);
- types.push_back(get_jni_type(rawString));
- cs += get_jni_sig(rawString);
- }
- cs += ")";
- cs += get_jni_sig(retval);
- jclass cls = env->GetObjectClass(s->get_instance());
- jmethodID mid = env->GetMethodID(cls, mname.ascii().get_data(), cs.ascii().get_data());
- if (!mid) {
- print_line("Failed getting method ID " + mname);
- }
- s->add_method(mname, mid, types, get_jni_type(retval));
- }
- JNIEXPORT void JNICALL Java_org_godotengine_godot_plugin_GodotPlugin_nativeRegisterSignal(JNIEnv *env, jobject obj, jstring j_plugin_name, jstring j_signal_name, jobjectArray j_signal_param_types) {
- String singleton_name = jstring_to_string(j_plugin_name, env);
- ERR_FAIL_COND(!jni_singletons.has(singleton_name));
- JNISingleton *singleton = jni_singletons.get(singleton_name);
- String signal_name = jstring_to_string(j_signal_name, env);
- Vector<Variant::Type> types;
- int stringCount = env->GetArrayLength(j_signal_param_types);
- for (int i = 0; i < stringCount; i++) {
- jstring j_signal_param_type = (jstring)env->GetObjectArrayElement(j_signal_param_types, i);
- const String signal_param_type = jstring_to_string(j_signal_param_type, env);
- types.push_back(get_jni_type(signal_param_type));
- }
- singleton->add_signal(signal_name, types);
- }
- JNIEXPORT void JNICALL Java_org_godotengine_godot_plugin_GodotPlugin_nativeEmitSignal(JNIEnv *env, jobject obj, jstring j_plugin_name, jstring j_signal_name, jobjectArray j_signal_params) {
- String singleton_name = jstring_to_string(j_plugin_name, env);
- ERR_FAIL_COND(!jni_singletons.has(singleton_name));
- JNISingleton *singleton = jni_singletons.get(singleton_name);
- String signal_name = jstring_to_string(j_signal_name, env);
- int count = env->GetArrayLength(j_signal_params);
- ERR_FAIL_COND_MSG(count > VARIANT_ARG_MAX, "Maximum argument count exceeded!");
- Variant variant_params[VARIANT_ARG_MAX];
- const Variant *args[VARIANT_ARG_MAX];
- for (int i = 0; i < count; i++) {
- jobject j_param = env->GetObjectArrayElement(j_signal_params, i);
- variant_params[i] = _jobject_to_variant(env, j_param);
- args[i] = &variant_params[i];
- env->DeleteLocalRef(j_param);
- };
- singleton->emit_signal(signal_name, args, count);
- }
- JNIEXPORT void JNICALL Java_org_godotengine_godot_plugin_GodotPlugin_nativeRegisterGDNativeLibraries(JNIEnv *env, jobject obj, jobjectArray gdnlib_paths) {
- int gdnlib_count = env->GetArrayLength(gdnlib_paths);
- if (gdnlib_count == 0) {
- return;
- }
- // Retrieve the current list of gdnative libraries.
- Array singletons = Array();
- if (ProjectSettings::get_singleton()->has_setting("gdnative/singletons")) {
- singletons = ProjectSettings::get_singleton()->get("gdnative/singletons");
- }
- // Insert the libraries provided by the plugin
- for (int i = 0; i < gdnlib_count; i++) {
- jstring relative_path = (jstring)env->GetObjectArrayElement(gdnlib_paths, i);
- String path = "res://" + jstring_to_string(relative_path, env);
- if (!singletons.has(path)) {
- singletons.push_back(path);
- }
- env->DeleteLocalRef(relative_path);
- }
- // Insert the updated list back into project settings.
- ProjectSettings::get_singleton()->set("gdnative/singletons", singletons);
- }
- }
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