mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-22 20:06:49 +01:00
399 lines
12 KiB
C++
399 lines
12 KiB
C++
/*************************************************************************/
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/* jni_utils.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) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 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 "jni_utils.h"
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jvalret _variant_to_jvalue(JNIEnv *env, Variant::Type p_type, const Variant *p_arg, bool force_jobject) {
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jvalret v;
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switch (p_type) {
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case Variant::BOOL: {
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if (force_jobject) {
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jclass bclass = env->FindClass("java/lang/Boolean");
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jmethodID ctor = env->GetMethodID(bclass, "<init>", "(Z)V");
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jvalue val;
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val.z = (bool)(*p_arg);
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jobject obj = env->NewObjectA(bclass, ctor, &val);
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v.val.l = obj;
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v.obj = obj;
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env->DeleteLocalRef(bclass);
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} else {
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v.val.z = *p_arg;
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};
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} break;
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case Variant::INT: {
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if (force_jobject) {
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jclass bclass = env->FindClass("java/lang/Integer");
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jmethodID ctor = env->GetMethodID(bclass, "<init>", "(I)V");
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jvalue val;
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val.i = (int)(*p_arg);
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jobject obj = env->NewObjectA(bclass, ctor, &val);
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v.val.l = obj;
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v.obj = obj;
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env->DeleteLocalRef(bclass);
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} else {
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v.val.i = *p_arg;
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};
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} break;
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case Variant::REAL: {
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if (force_jobject) {
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jclass bclass = env->FindClass("java/lang/Double");
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jmethodID ctor = env->GetMethodID(bclass, "<init>", "(D)V");
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jvalue val;
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val.d = (double)(*p_arg);
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jobject obj = env->NewObjectA(bclass, ctor, &val);
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v.val.l = obj;
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v.obj = obj;
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env->DeleteLocalRef(bclass);
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} else {
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v.val.f = *p_arg;
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};
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} break;
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case Variant::STRING: {
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String s = *p_arg;
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jstring jStr = env->NewStringUTF(s.utf8().get_data());
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v.val.l = jStr;
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v.obj = jStr;
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} break;
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case Variant::POOL_STRING_ARRAY: {
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PoolVector<String> sarray = *p_arg;
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jobjectArray arr = env->NewObjectArray(sarray.size(), env->FindClass("java/lang/String"), env->NewStringUTF(""));
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for (int j = 0; j < sarray.size(); j++) {
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jstring str = env->NewStringUTF(sarray[j].utf8().get_data());
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env->SetObjectArrayElement(arr, j, str);
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env->DeleteLocalRef(str);
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}
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v.val.l = arr;
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v.obj = arr;
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} break;
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case Variant::DICTIONARY: {
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Dictionary dict = *p_arg;
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jclass dclass = env->FindClass("org/godotengine/godot/Dictionary");
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jmethodID ctor = env->GetMethodID(dclass, "<init>", "()V");
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jobject jdict = env->NewObject(dclass, ctor);
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Array keys = dict.keys();
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jobjectArray jkeys = env->NewObjectArray(keys.size(), env->FindClass("java/lang/String"), env->NewStringUTF(""));
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for (int j = 0; j < keys.size(); j++) {
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jstring str = env->NewStringUTF(String(keys[j]).utf8().get_data());
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env->SetObjectArrayElement(jkeys, j, str);
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env->DeleteLocalRef(str);
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};
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jmethodID set_keys = env->GetMethodID(dclass, "set_keys", "([Ljava/lang/String;)V");
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jvalue val;
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val.l = jkeys;
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env->CallVoidMethodA(jdict, set_keys, &val);
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env->DeleteLocalRef(jkeys);
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jobjectArray jvalues = env->NewObjectArray(keys.size(), env->FindClass("java/lang/Object"), NULL);
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for (int j = 0; j < keys.size(); j++) {
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Variant var = dict[keys[j]];
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jvalret v = _variant_to_jvalue(env, var.get_type(), &var, true);
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env->SetObjectArrayElement(jvalues, j, v.val.l);
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if (v.obj) {
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env->DeleteLocalRef(v.obj);
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}
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};
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jmethodID set_values = env->GetMethodID(dclass, "set_values", "([Ljava/lang/Object;)V");
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val.l = jvalues;
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env->CallVoidMethodA(jdict, set_values, &val);
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env->DeleteLocalRef(jvalues);
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env->DeleteLocalRef(dclass);
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v.val.l = jdict;
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v.obj = jdict;
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} break;
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case Variant::POOL_INT_ARRAY: {
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PoolVector<int> array = *p_arg;
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jintArray arr = env->NewIntArray(array.size());
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PoolVector<int>::Read r = array.read();
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env->SetIntArrayRegion(arr, 0, array.size(), r.ptr());
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v.val.l = arr;
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v.obj = arr;
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} break;
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case Variant::POOL_BYTE_ARRAY: {
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PoolVector<uint8_t> array = *p_arg;
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jbyteArray arr = env->NewByteArray(array.size());
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PoolVector<uint8_t>::Read r = array.read();
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env->SetByteArrayRegion(arr, 0, array.size(), reinterpret_cast<const signed char *>(r.ptr()));
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v.val.l = arr;
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v.obj = arr;
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} break;
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case Variant::POOL_REAL_ARRAY: {
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PoolVector<float> array = *p_arg;
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jfloatArray arr = env->NewFloatArray(array.size());
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PoolVector<float>::Read r = array.read();
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env->SetFloatArrayRegion(arr, 0, array.size(), r.ptr());
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v.val.l = arr;
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v.obj = arr;
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} break;
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default: {
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v.val.i = 0;
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} break;
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}
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return v;
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}
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String _get_class_name(JNIEnv *env, jclass cls, bool *array) {
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jclass cclass = env->FindClass("java/lang/Class");
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jmethodID getName = env->GetMethodID(cclass, "getName", "()Ljava/lang/String;");
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jstring clsName = (jstring)env->CallObjectMethod(cls, getName);
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if (array) {
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jmethodID isArray = env->GetMethodID(cclass, "isArray", "()Z");
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jboolean isarr = env->CallBooleanMethod(cls, isArray);
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(*array) = isarr ? true : false;
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}
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String name = jstring_to_string(clsName, env);
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env->DeleteLocalRef(clsName);
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return name;
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}
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Variant _jobject_to_variant(JNIEnv *env, jobject obj) {
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if (obj == NULL) {
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return Variant();
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}
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jclass c = env->GetObjectClass(obj);
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bool array;
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String name = _get_class_name(env, c, &array);
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if (name == "java.lang.String") {
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return jstring_to_string((jstring)obj, env);
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};
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if (name == "[Ljava.lang.String;") {
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jobjectArray arr = (jobjectArray)obj;
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int stringCount = env->GetArrayLength(arr);
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PoolVector<String> sarr;
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for (int i = 0; i < stringCount; i++) {
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jstring string = (jstring)env->GetObjectArrayElement(arr, i);
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sarr.push_back(jstring_to_string(string, env));
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env->DeleteLocalRef(string);
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}
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return sarr;
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};
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if (name == "java.lang.Boolean") {
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jmethodID boolValue = env->GetMethodID(c, "booleanValue", "()Z");
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bool ret = env->CallBooleanMethod(obj, boolValue);
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return ret;
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};
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if (name == "java.lang.Integer" || name == "java.lang.Long") {
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jclass nclass = env->FindClass("java/lang/Number");
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jmethodID longValue = env->GetMethodID(nclass, "longValue", "()J");
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jlong ret = env->CallLongMethod(obj, longValue);
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return ret;
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};
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if (name == "[I") {
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jintArray arr = (jintArray)obj;
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int fCount = env->GetArrayLength(arr);
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PoolVector<int> sarr;
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sarr.resize(fCount);
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PoolVector<int>::Write w = sarr.write();
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env->GetIntArrayRegion(arr, 0, fCount, w.ptr());
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w.release();
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return sarr;
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};
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if (name == "[B") {
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jbyteArray arr = (jbyteArray)obj;
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int fCount = env->GetArrayLength(arr);
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PoolVector<uint8_t> sarr;
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sarr.resize(fCount);
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PoolVector<uint8_t>::Write w = sarr.write();
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env->GetByteArrayRegion(arr, 0, fCount, reinterpret_cast<signed char *>(w.ptr()));
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w.release();
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return sarr;
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};
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if (name == "java.lang.Float" || name == "java.lang.Double") {
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jclass nclass = env->FindClass("java/lang/Number");
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jmethodID doubleValue = env->GetMethodID(nclass, "doubleValue", "()D");
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double ret = env->CallDoubleMethod(obj, doubleValue);
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return ret;
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};
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if (name == "[D") {
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jdoubleArray arr = (jdoubleArray)obj;
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int fCount = env->GetArrayLength(arr);
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PoolRealArray sarr;
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sarr.resize(fCount);
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PoolRealArray::Write w = sarr.write();
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for (int i = 0; i < fCount; i++) {
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double n;
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env->GetDoubleArrayRegion(arr, i, 1, &n);
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w.ptr()[i] = n;
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};
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return sarr;
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};
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if (name == "[F") {
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jfloatArray arr = (jfloatArray)obj;
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int fCount = env->GetArrayLength(arr);
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PoolRealArray sarr;
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sarr.resize(fCount);
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PoolRealArray::Write w = sarr.write();
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for (int i = 0; i < fCount; i++) {
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float n;
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env->GetFloatArrayRegion(arr, i, 1, &n);
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w.ptr()[i] = n;
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};
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return sarr;
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};
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if (name == "[Ljava.lang.Object;") {
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jobjectArray arr = (jobjectArray)obj;
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int objCount = env->GetArrayLength(arr);
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Array varr;
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for (int i = 0; i < objCount; i++) {
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jobject jobj = env->GetObjectArrayElement(arr, i);
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Variant v = _jobject_to_variant(env, jobj);
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varr.push_back(v);
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env->DeleteLocalRef(jobj);
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}
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return varr;
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};
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if (name == "java.util.HashMap" || name == "org.godotengine.godot.Dictionary") {
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Dictionary ret;
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jclass oclass = c;
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jmethodID get_keys = env->GetMethodID(oclass, "get_keys", "()[Ljava/lang/String;");
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jobjectArray arr = (jobjectArray)env->CallObjectMethod(obj, get_keys);
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PoolStringArray keys = _jobject_to_variant(env, arr);
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env->DeleteLocalRef(arr);
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jmethodID get_values = env->GetMethodID(oclass, "get_values", "()[Ljava/lang/Object;");
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arr = (jobjectArray)env->CallObjectMethod(obj, get_values);
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Array vals = _jobject_to_variant(env, arr);
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env->DeleteLocalRef(arr);
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for (int i = 0; i < keys.size(); i++) {
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ret[keys[i]] = vals[i];
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};
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return ret;
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};
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env->DeleteLocalRef(c);
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return Variant();
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}
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Variant::Type get_jni_type(const String &p_type) {
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static struct {
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const char *name;
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Variant::Type type;
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} _type_to_vtype[] = {
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{ "void", Variant::NIL },
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{ "boolean", Variant::BOOL },
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{ "int", Variant::INT },
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{ "float", Variant::REAL },
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{ "double", Variant::REAL },
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{ "java.lang.String", Variant::STRING },
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{ "[I", Variant::POOL_INT_ARRAY },
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{ "[B", Variant::POOL_BYTE_ARRAY },
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{ "[F", Variant::POOL_REAL_ARRAY },
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{ "[Ljava.lang.String;", Variant::POOL_STRING_ARRAY },
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{ "org.godotengine.godot.Dictionary", Variant::DICTIONARY },
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{ NULL, Variant::NIL }
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};
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int idx = 0;
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while (_type_to_vtype[idx].name) {
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if (p_type == _type_to_vtype[idx].name)
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return _type_to_vtype[idx].type;
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idx++;
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}
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return Variant::NIL;
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}
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const char *get_jni_sig(const String &p_type) {
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static struct {
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const char *name;
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const char *sig;
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} _type_to_vtype[] = {
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{ "void", "V" },
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{ "boolean", "Z" },
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{ "int", "I" },
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{ "float", "F" },
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{ "double", "D" },
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{ "java.lang.String", "Ljava/lang/String;" },
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{ "org.godotengine.godot.Dictionary", "Lorg/godotengine/godot/Dictionary;" },
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{ "[I", "[I" },
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{ "[B", "[B" },
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{ "[F", "[F" },
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{ "[Ljava.lang.String;", "[Ljava/lang/String;" },
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{ NULL, "V" }
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};
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int idx = 0;
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while (_type_to_vtype[idx].name) {
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if (p_type == _type_to_vtype[idx].name)
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return _type_to_vtype[idx].sig;
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idx++;
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}
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return "Ljava/lang/Object;";
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}
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