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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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