Restructuring glue code to make it easier to extend

1 files changed, 1398 insertions, 0 deletions

diff --git a/platform/android/java_godot_lib_jni.cpp b/platform/android/java_godot_lib_jni.cpp
new file mode 100644
index 0000000000..466f79c215
--- /dev/null
+++ b/platform/android/java_godot_lib_jni.cpp
@@ -0,0 +1,1398 @@
+/*************************************************************************/
+/*  java_godot_lib_jni.cpp                                               */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2019 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_lib_jni.h"
+#include "java_godot_io_wrapper.h"
+#include "java_godot_wrapper.h"
+
+#include "android/asset_manager_jni.h"
+#include "audio_driver_jandroid.h"
+#include "core/engine.h"
+#include "core/os/keyboard.h"
+#include "core/project_settings.h"
+#include "dir_access_jandroid.h"
+#include "file_access_android.h"
+#include "file_access_jandroid.h"
+#include "java_class_wrapper.h"
+#include "main/input_default.h"
+#include "main/main.h"
+#include "os_android.h"
+#include "string_android.h"
+#include "thread_jandroid.h"
+#include <unistd.h>
+
+static JavaClassWrapper *java_class_wrapper = NULL;
+static OS_Android *os_android = NULL;
+static GodotJavaWrapper *godot_java = NULL;
+static GodotIOJavaWrapper *godot_io_java = NULL;
+
+struct jvalret {
+
+	jobject obj;
+	jvalue val;
+	jvalret() { obj = NULL; }
+};
+
+jvalret _variant_to_jvalue(JNIEnv *env, Variant::Type p_type, const Variant *p_arg, bool force_jobject = false) {
+
+	jvalret v;
+
+	switch (p_type) {
+
+		case Variant::BOOL: {
+
+			if (force_jobject) {
+				jclass bclass = env->FindClass("java/lang/Boolean");
+				jmethodID ctor = env->GetMethodID(bclass, "<init>", "(Z)V");
+				jvalue val;
+				val.z = (bool)(*p_arg);
+				jobject obj = env->NewObjectA(bclass, ctor, &val);
+				v.val.l = obj;
+				v.obj = obj;
+				env->DeleteLocalRef(bclass);
+			} else {
+				v.val.z = *p_arg;
+			};
+		} break;
+		case Variant::INT: {
+
+			if (force_jobject) {
+
+				jclass bclass = env->FindClass("java/lang/Integer");
+				jmethodID ctor = env->GetMethodID(bclass, "<init>", "(I)V");
+				jvalue val;
+				val.i = (int)(*p_arg);
+				jobject obj = env->NewObjectA(bclass, ctor, &val);
+				v.val.l = obj;
+				v.obj = obj;
+				env->DeleteLocalRef(bclass);
+
+			} else {
+				v.val.i = *p_arg;
+			};
+		} break;
+		case Variant::REAL: {
+
+			if (force_jobject) {
+
+				jclass bclass = env->FindClass("java/lang/Double");
+				jmethodID ctor = env->GetMethodID(bclass, "<init>", "(D)V");
+				jvalue val;
+				val.d = (double)(*p_arg);
+				jobject obj = env->NewObjectA(bclass, ctor, &val);
+				v.val.l = obj;
+				v.obj = obj;
+				env->DeleteLocalRef(bclass);
+
+			} else {
+				v.val.f = *p_arg;
+			};
+		} break;
+		case Variant::STRING: {
+
+			String s = *p_arg;
+			jstring jStr = env->NewStringUTF(s.utf8().get_data());
+			v.val.l = jStr;
+			v.obj = jStr;
+		} break;
+		case Variant::POOL_STRING_ARRAY: {
+
+			PoolVector<String> sarray = *p_arg;
+			jobjectArray arr = env->NewObjectArray(sarray.size(), env->FindClass("java/lang/String"), env->NewStringUTF(""));
+
+			for (int j = 0; j < sarray.size(); j++) {
+
+				jstring str = env->NewStringUTF(sarray[j].utf8().get_data());
+				env->SetObjectArrayElement(arr, j, str);
+				env->DeleteLocalRef(str);
+			}
+			v.val.l = arr;
+			v.obj = arr;
+
+		} break;
+
+		case Variant::DICTIONARY: {
+
+			Dictionary dict = *p_arg;
+			jclass dclass = env->FindClass("org/godotengine/godot/Dictionary");
+			jmethodID ctor = env->GetMethodID(dclass, "<init>", "()V");
+			jobject jdict = env->NewObject(dclass, ctor);
+
+			Array keys = dict.keys();
+
+			jobjectArray jkeys = env->NewObjectArray(keys.size(), env->FindClass("java/lang/String"), env->NewStringUTF(""));
+			for (int j = 0; j < keys.size(); j++) {
+				jstring str = env->NewStringUTF(String(keys[j]).utf8().get_data());
+				env->SetObjectArrayElement(jkeys, j, str);
+				env->DeleteLocalRef(str);
+			};
+
+			jmethodID set_keys = env->GetMethodID(dclass, "set_keys", "([Ljava/lang/String;)V");
+			jvalue val;
+			val.l = jkeys;
+			env->CallVoidMethodA(jdict, set_keys, &val);
+			env->DeleteLocalRef(jkeys);
+
+			jobjectArray jvalues = env->NewObjectArray(keys.size(), env->FindClass("java/lang/Object"), NULL);
+
+			for (int j = 0; j < keys.size(); j++) {
+				Variant var = dict[keys[j]];
+				jvalret v = _variant_to_jvalue(env, var.get_type(), &var, true);
+				env->SetObjectArrayElement(jvalues, j, v.val.l);
+				if (v.obj) {
+					env->DeleteLocalRef(v.obj);
+				}
+			};
+
+			jmethodID set_values = env->GetMethodID(dclass, "set_values", "([Ljava/lang/Object;)V");
+			val.l = jvalues;
+			env->CallVoidMethodA(jdict, set_values, &val);
+			env->DeleteLocalRef(jvalues);
+			env->DeleteLocalRef(dclass);
+
+			v.val.l = jdict;
+			v.obj = jdict;
+		} break;
+
+		case Variant::POOL_INT_ARRAY: {
+
+			PoolVector<int> array = *p_arg;
+			jintArray arr = env->NewIntArray(array.size());
+			PoolVector<int>::Read r = array.read();
+			env->SetIntArrayRegion(arr, 0, array.size(), r.ptr());
+			v.val.l = arr;
+			v.obj = arr;
+
+		} break;
+		case Variant::POOL_BYTE_ARRAY: {
+			PoolVector<uint8_t> array = *p_arg;
+			jbyteArray arr = env->NewByteArray(array.size());
+			PoolVector<uint8_t>::Read r = array.read();
+			env->SetByteArrayRegion(arr, 0, array.size(), reinterpret_cast<const signed char *>(r.ptr()));
+			v.val.l = arr;
+			v.obj = arr;
+
+		} break;
+		case Variant::POOL_REAL_ARRAY: {
+
+			PoolVector<float> array = *p_arg;
+			jfloatArray arr = env->NewFloatArray(array.size());
+			PoolVector<float>::Read r = array.read();
+			env->SetFloatArrayRegion(arr, 0, array.size(), r.ptr());
+			v.val.l = arr;
+			v.obj = arr;
+
+		} break;
+		default: {
+
+			v.val.i = 0;
+		} break;
+	}
+	return v;
+}
+
+String _get_class_name(JNIEnv *env, jclass cls, bool *array) {
+
+	jclass cclass = env->FindClass("java/lang/Class");
+	jmethodID getName = env->GetMethodID(cclass, "getName", "()Ljava/lang/String;");
+	jstring clsName = (jstring)env->CallObjectMethod(cls, getName);
+
+	if (array) {
+		jmethodID isArray = env->GetMethodID(cclass, "isArray", "()Z");
+		jboolean isarr = env->CallBooleanMethod(cls, isArray);
+		(*array) = isarr ? true : false;
+	}
+	String name = jstring_to_string(clsName, env);
+	env->DeleteLocalRef(clsName);
+
+	return name;
+}
+
+Variant _jobject_to_variant(JNIEnv *env, jobject obj) {
+
+	if (obj == NULL) {
+		return Variant();
+	}
+
+	jclass c = env->GetObjectClass(obj);
+	bool array;
+	String name = _get_class_name(env, c, &array);
+
+	if (name == "java.lang.String") {
+
+		return jstring_to_string((jstring)obj, env);
+	};
+
+	if (name == "[Ljava.lang.String;") {
+
+		jobjectArray arr = (jobjectArray)obj;
+		int stringCount = env->GetArrayLength(arr);
+		PoolVector<String> sarr;
+
+		for (int i = 0; i < stringCount; i++) {
+			jstring string = (jstring)env->GetObjectArrayElement(arr, i);
+			sarr.push_back(jstring_to_string(string, env));
+			env->DeleteLocalRef(string);
+		}
+
+		return sarr;
+	};
+
+	if (name == "java.lang.Boolean") {
+
+		jmethodID boolValue = env->GetMethodID(c, "booleanValue", "()Z");
+		bool ret = env->CallBooleanMethod(obj, boolValue);
+		return ret;
+	};
+
+	if (name == "java.lang.Integer" || name == "java.lang.Long") {
+
+		jclass nclass = env->FindClass("java/lang/Number");
+		jmethodID longValue = env->GetMethodID(nclass, "longValue", "()J");
+		jlong ret = env->CallLongMethod(obj, longValue);
+		return ret;
+	};
+
+	if (name == "[I") {
+
+		jintArray arr = (jintArray)obj;
+		int fCount = env->GetArrayLength(arr);
+		PoolVector<int> sarr;
+		sarr.resize(fCount);
+
+		PoolVector<int>::Write w = sarr.write();
+		env->GetIntArrayRegion(arr, 0, fCount, w.ptr());
+		w = PoolVector<int>::Write();
+		return sarr;
+	};
+
+	if (name == "[B") {
+
+		jbyteArray arr = (jbyteArray)obj;
+		int fCount = env->GetArrayLength(arr);
+		PoolVector<uint8_t> sarr;
+		sarr.resize(fCount);
+
+		PoolVector<uint8_t>::Write w = sarr.write();
+		env->GetByteArrayRegion(arr, 0, fCount, reinterpret_cast<signed char *>(w.ptr()));
+		w = PoolVector<uint8_t>::Write();
+		return sarr;
+	};
+
+	if (name == "java.lang.Float" || name == "java.lang.Double") {
+
+		jclass nclass = env->FindClass("java/lang/Number");
+		jmethodID doubleValue = env->GetMethodID(nclass, "doubleValue", "()D");
+		double ret = env->CallDoubleMethod(obj, doubleValue);
+		return ret;
+	};
+
+	if (name == "[D") {
+
+		jdoubleArray arr = (jdoubleArray)obj;
+		int fCount = env->GetArrayLength(arr);
+		PoolRealArray sarr;
+		sarr.resize(fCount);
+
+		PoolRealArray::Write w = sarr.write();
+
+		for (int i = 0; i < fCount; i++) {
+
+			double n;
+			env->GetDoubleArrayRegion(arr, i, 1, &n);
+			w.ptr()[i] = n;
+		};
+		return sarr;
+	};
+
+	if (name == "[F") {
+
+		jfloatArray arr = (jfloatArray)obj;
+		int fCount = env->GetArrayLength(arr);
+		PoolRealArray sarr;
+		sarr.resize(fCount);
+
+		PoolRealArray::Write w = sarr.write();
+
+		for (int i = 0; i < fCount; i++) {
+
+			float n;
+			env->GetFloatArrayRegion(arr, i, 1, &n);
+			w.ptr()[i] = n;
+		};
+		return sarr;
+	};
+
+	if (name == "[Ljava.lang.Object;") {
+
+		jobjectArray arr = (jobjectArray)obj;
+		int objCount = env->GetArrayLength(arr);
+		Array varr;
+
+		for (int i = 0; i < objCount; i++) {
+			jobject jobj = env->GetObjectArrayElement(arr, i);
+			Variant v = _jobject_to_variant(env, jobj);
+			varr.push_back(v);
+			env->DeleteLocalRef(jobj);
+		}
+
+		return varr;
+	};
+
+	if (name == "java.util.HashMap" || name == "org.godotengine.godot.Dictionary") {
+
+		Dictionary ret;
+		jclass oclass = c;
+		jmethodID get_keys = env->GetMethodID(oclass, "get_keys", "()[Ljava/lang/String;");
+		jobjectArray arr = (jobjectArray)env->CallObjectMethod(obj, get_keys);
+
+		PoolStringArray keys = _jobject_to_variant(env, arr);
+		env->DeleteLocalRef(arr);
+
+		jmethodID get_values = env->GetMethodID(oclass, "get_values", "()[Ljava/lang/Object;");
+		arr = (jobjectArray)env->CallObjectMethod(obj, get_values);
+
+		Array vals = _jobject_to_variant(env, arr);
+		env->DeleteLocalRef(arr);
+
+		for (int i = 0; i < keys.size(); i++) {
+
+			ret[keys[i]] = vals[i];
+		};
+
+		return ret;
+	};
+
+	env->DeleteLocalRef(c);
+
+	return Variant();
+}
+
+class JNISingleton : public Object {
+
+	GDCLASS(JNISingleton, Object);
+
+	struct MethodData {
+
+		jmethodID method;
+		Variant::Type ret_type;
+		Vector<Variant::Type> argtypes;
+	};
+
+	jobject instance;
+	Map<StringName, MethodData> method_map;
+
+public:
+	virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
+
+		ERR_FAIL_COND_V(!instance, Variant());
+
+		r_error.error = Variant::CallError::CALL_OK;
+
+		Map<StringName, MethodData>::Element *E = method_map.find(p_method);
+		if (!E) {
+
+			r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
+			return Variant();
+		}
+
+		int ac = E->get().argtypes.size();
+		if (ac < p_argcount) {
+
+			r_error.error = Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
+			r_error.argument = ac;
+			return Variant();
+		}
+
+		if (ac > p_argcount) {
+
+			r_error.error = Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
+			r_error.argument = ac;
+			return Variant();
+		}
+
+		for (int i = 0; i < p_argcount; i++) {
+
+			if (!Variant::can_convert(p_args[i]->get_type(), E->get().argtypes[i])) {
+
+				r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+				r_error.argument = i;
+				r_error.expected = E->get().argtypes[i];
+			}
+		}
+
+		jvalue *v = NULL;
+
+		if (p_argcount) {
+
+			v = (jvalue *)alloca(sizeof(jvalue) * p_argcount);
+		}
+
+		JNIEnv *env = ThreadAndroid::get_env();
+
+		int res = env->PushLocalFrame(16);
+
+		ERR_FAIL_COND_V(res != 0, Variant());
+
+		List<jobject> to_erase;
+		for (int i = 0; i < p_argcount; i++) {
+
+			jvalret vr = _variant_to_jvalue(env, E->get().argtypes[i], p_args[i]);
+			v[i] = vr.val;
+			if (vr.obj)
+				to_erase.push_back(vr.obj);
+		}
+
+		Variant ret;
+
+		switch (E->get().ret_type) {
+
+			case Variant::NIL: {
+
+				env->CallVoidMethodA(instance, E->get().method, v);
+			} break;
+			case Variant::BOOL: {
+
+				ret = env->CallBooleanMethodA(instance, E->get().method, v) == JNI_TRUE;
+			} break;
+			case Variant::INT: {
+
+				ret = env->CallIntMethodA(instance, E->get().method, v);
+			} break;
+			case Variant::REAL: {
+
+				ret = env->CallFloatMethodA(instance, E->get().method, v);
+			} break;
+			case Variant::STRING: {
+
+				jobject o = env->CallObjectMethodA(instance, E->get().method, v);
+				ret = jstring_to_string((jstring)o, env);
+				env->DeleteLocalRef(o);
+			} break;
+			case Variant::POOL_STRING_ARRAY: {
+
+				jobjectArray arr = (jobjectArray)env->CallObjectMethodA(instance, E->get().method, v);
+
+				ret = _jobject_to_variant(env, arr);
+
+				env->DeleteLocalRef(arr);
+			} break;
+			case Variant::POOL_INT_ARRAY: {
+
+				jintArray arr = (jintArray)env->CallObjectMethodA(instance, E->get().method, v);
+
+				int fCount = env->GetArrayLength(arr);
+				PoolVector<int> sarr;
+				sarr.resize(fCount);
+
+				PoolVector<int>::Write w = sarr.write();
+				env->GetIntArrayRegion(arr, 0, fCount, w.ptr());
+				w = PoolVector<int>::Write();
+				ret = sarr;
+				env->DeleteLocalRef(arr);
+			} break;
+			case Variant::POOL_REAL_ARRAY: {
+
+				jfloatArray arr = (jfloatArray)env->CallObjectMethodA(instance, E->get().method, v);
+
+				int fCount = env->GetArrayLength(arr);
+				PoolVector<float> sarr;
+				sarr.resize(fCount);
+
+				PoolVector<float>::Write w = sarr.write();
+				env->GetFloatArrayRegion(arr, 0, fCount, w.ptr());
+				w = PoolVector<float>::Write();
+				ret = sarr;
+				env->DeleteLocalRef(arr);
+			} break;
+
+			case Variant::DICTIONARY: {
+
+				jobject obj = env->CallObjectMethodA(instance, E->get().method, v);
+				ret = _jobject_to_variant(env, obj);
+				env->DeleteLocalRef(obj);
+
+			} break;
+			default: {
+
+				env->PopLocalFrame(NULL);
+				ERR_FAIL_V(Variant());
+			} break;
+		}
+
+		while (to_erase.size()) {
+			env->DeleteLocalRef(to_erase.front()->get());
+			to_erase.pop_front();
+		}
+
+		env->PopLocalFrame(NULL);
+
+		return ret;
+	}
+
+	jobject get_instance() const {
+
+		return instance;
+	}
+	void set_instance(jobject p_instance) {
+
+		instance = p_instance;
+	}
+
+	void add_method(const StringName &p_name, jmethodID p_method, const Vector<Variant::Type> &p_args, Variant::Type p_ret_type) {
+
+		MethodData md;
+		md.method = p_method;
+		md.argtypes = p_args;
+		md.ret_type = p_ret_type;
+		method_map[p_name] = md;
+	}
+
+	JNISingleton() {
+		instance = NULL;
+	}
+};
+
+struct TST {
+
+	int a;
+	TST() {
+
+		a = 5;
+	}
+};
+
+TST tst;
+
+static bool initialized = false;
+static int step = 0;
+
+static Size2 new_size;
+static Vector3 accelerometer;
+static Vector3 gravity;
+static Vector3 magnetometer;
+static Vector3 gyroscope;
+static HashMap<String, JNISingleton *> jni_singletons;
+
+// virtual Error native_video_play(String p_path);
+// virtual bool native_video_is_playing();
+// virtual void native_video_pause();
+// virtual void native_video_stop();
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_setVirtualKeyboardHeight(JNIEnv *env, jobject obj, jint p_height) {
+	if (godot_io_java) {
+		godot_io_java->set_vk_height(p_height);
+	}
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_initialize(JNIEnv *env, jobject obj, jobject activity, jobject p_asset_manager, jboolean p_use_apk_expansion) {
+
+	initialized = true;
+
+	JavaVM *jvm;
+	env->GetJavaVM(&jvm);
+
+	// create our wrapper classes
+	godot_java = new GodotJavaWrapper(env, activity); // our activity is our godot instance is our activity..
+	godot_io_java = new GodotIOJavaWrapper(env, godot_java->get_member_object("io", "Lorg/godotengine/godot/GodotIO;", env));
+
+	ThreadAndroid::make_default(jvm);
+#ifdef USE_JAVA_FILE_ACCESS
+	FileAccessJAndroid::setup(godot_io_java->get_instance());
+#else
+
+	jobject amgr = env->NewGlobalRef(p_asset_manager);
+
+	FileAccessAndroid::asset_manager = AAssetManager_fromJava(env, amgr);
+#endif
+
+	DirAccessJAndroid::setup(godot_io_java->get_instance());
+	AudioDriverAndroid::setup(godot_io_java->get_instance());
+
+	os_android = new OS_Android(godot_java, godot_io_java, p_use_apk_expansion);
+
+	char wd[500];
+	getcwd(wd, 500);
+
+	godot_java->on_video_init(env);
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_ondestroy(JNIEnv *env) {
+	// lets cleanup
+	if (godot_io_java) {
+		delete godot_io_java;
+	}
+	if (godot_java) {
+		delete godot_java;
+	}
+	if (os_android) {
+		delete os_android;
+	}
+}
+
+static void _initialize_java_modules() {
+
+	if (!ProjectSettings::get_singleton()->has_setting("android/modules")) {
+		return;
+	}
+
+	String modules = ProjectSettings::get_singleton()->get("android/modules");
+	modules = modules.strip_edges();
+	if (modules == String()) {
+		return;
+	}
+	Vector<String> mods = modules.split(",", false);
+
+	if (mods.size()) {
+		jobject cls = godot_java->get_class_loader();
+
+		// TODO create wrapper for class loader
+
+		JNIEnv *env = ThreadAndroid::get_env();
+		jclass classLoader = env->FindClass("java/lang/ClassLoader");
+		jmethodID findClass = env->GetMethodID(classLoader, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
+
+		for (int i = 0; i < mods.size(); i++) {
+
+			String m = mods[i];
+
+			print_line("Loading Android module: " + m);
+			jstring strClassName = env->NewStringUTF(m.utf8().get_data());
+			jclass singletonClass = (jclass)env->CallObjectMethod(cls, findClass, strClassName);
+
+			if (!singletonClass) {
+
+				ERR_EXPLAIN("Couldn't find singleton for class: " + m);
+				ERR_CONTINUE(!singletonClass);
+			}
+
+			jmethodID initialize = env->GetStaticMethodID(singletonClass, "initialize", "(Landroid/app/Activity;)Lorg/godotengine/godot/Godot$SingletonBase;");
+
+			if (!initialize) {
+
+				ERR_EXPLAIN("Couldn't find proper initialize function 'public static Godot.SingletonBase Class::initialize(Activity p_activity)' initializer for singleton class: " + m);
+				ERR_CONTINUE(!initialize);
+			}
+			jobject obj = env->CallStaticObjectMethod(singletonClass, initialize, godot_java->get_activity());
+			env->NewGlobalRef(obj);
+		}
+	}
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_setup(JNIEnv *env, jobject obj, jobjectArray p_cmdline) {
+	ThreadAndroid::setup_thread();
+
+	const char **cmdline = NULL;
+	jstring *j_cmdline = NULL;
+	int cmdlen = 0;
+	if (p_cmdline) {
+		cmdlen = env->GetArrayLength(p_cmdline);
+		if (cmdlen) {
+			cmdline = (const char **)malloc((cmdlen + 1) * sizeof(const char *));
+			cmdline[cmdlen] = NULL;
+			j_cmdline = (jstring *)malloc(cmdlen * sizeof(jstring));
+
+			for (int i = 0; i < cmdlen; i++) {
+
+				jstring string = (jstring)env->GetObjectArrayElement(p_cmdline, i);
+				const char *rawString = env->GetStringUTFChars(string, 0);
+
+				cmdline[i] = rawString;
+				j_cmdline[i] = string;
+			}
+		}
+	}
+
+	Error err = Main::setup("apk", cmdlen, (char **)cmdline, false);
+	if (cmdline) {
+		if (j_cmdline) {
+			for (int i = 0; i < cmdlen; ++i) {
+				env->ReleaseStringUTFChars(j_cmdline[i], cmdline[i]);
+			}
+			free(j_cmdline);
+		}
+		free(cmdline);
+	}
+
+	if (err != OK) {
+		return; //should exit instead and print the error
+	}
+
+	java_class_wrapper = memnew(JavaClassWrapper(godot_java->get_activity()));
+	Engine::get_singleton()->add_singleton(Engine::Singleton("JavaClassWrapper", java_class_wrapper));
+	_initialize_java_modules();
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_resize(JNIEnv *env, jobject obj, jint width, jint height) {
+
+	if (os_android)
+		os_android->set_display_size(Size2(width, height));
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_newcontext(JNIEnv *env, jobject obj, bool p_32_bits) {
+
+	if (os_android) {
+		if (step == 0) {
+			// During startup
+			os_android->set_context_is_16_bits(!p_32_bits);
+		} else {
+			// GL context recreated because it was lost; restart app to let it reload everything
+			os_android->main_loop_end();
+			godot_java->restart(env);
+			step = -1; // Ensure no further steps are attempted
+		}
+	}
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_back(JNIEnv *env, jobject obj) {
+	if (step == 0)
+		return;
+
+	os_android->main_loop_request_go_back();
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_step(JNIEnv *env, jobject obj) {
+	if (step == -1)
+		return;
+
+	if (step == 0) {
+
+		// Since Godot is initialized on the UI thread, _main_thread_id was set to that thread's id,
+		// but for Godot purposes, the main thread is the one running the game loop
+		Main::setup2(Thread::get_caller_id());
+		++step;
+		return;
+	}
+
+	if (step == 1) {
+		if (!Main::start()) {
+			return; //should exit instead and print the error
+		}
+
+		os_android->main_loop_begin();
+		++step;
+	}
+
+	os_android->process_accelerometer(accelerometer);
+	os_android->process_gravity(gravity);
+	os_android->process_magnetometer(magnetometer);
+	os_android->process_gyroscope(gyroscope);
+
+	if (os_android->main_loop_iterate()) {
+
+		godot_java->force_quit(env);
+	}
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_touch(JNIEnv *env, jobject obj, jint ev, jint pointer, jint count, jintArray positions) {
+
+	if (step == 0)
+		return;
+
+	Vector<OS_Android::TouchPos> points;
+	for (int i = 0; i < count; i++) {
+
+		jint p[3];
+		env->GetIntArrayRegion(positions, i * 3, 3, p);
+		OS_Android::TouchPos tp;
+		tp.pos = Point2(p[1], p[2]);
+		tp.id = p[0];
+		points.push_back(tp);
+	}
+
+	os_android->process_touch(ev, pointer, points);
+
+	/*
+	if (os_android)
+		os_android->process_touch(ev,pointer,points);
+	*/
+}
+
+/*
+ * Android Key codes.
+ */
+enum {
+	AKEYCODE_UNKNOWN = 0,
+	AKEYCODE_SOFT_LEFT = 1,
+	AKEYCODE_SOFT_RIGHT = 2,
+	AKEYCODE_HOME = 3,
+	AKEYCODE_BACK = 4,
+	AKEYCODE_CALL = 5,
+	AKEYCODE_ENDCALL = 6,
+	AKEYCODE_0 = 7,
+	AKEYCODE_1 = 8,
+	AKEYCODE_2 = 9,
+	AKEYCODE_3 = 10,
+	AKEYCODE_4 = 11,
+	AKEYCODE_5 = 12,
+	AKEYCODE_6 = 13,
+	AKEYCODE_7 = 14,
+	AKEYCODE_8 = 15,
+	AKEYCODE_9 = 16,
+	AKEYCODE_STAR = 17,
+	AKEYCODE_POUND = 18,
+	AKEYCODE_DPAD_UP = 19,
+	AKEYCODE_DPAD_DOWN = 20,
+	AKEYCODE_DPAD_LEFT = 21,
+	AKEYCODE_DPAD_RIGHT = 22,
+	AKEYCODE_DPAD_CENTER = 23,
+	AKEYCODE_VOLUME_UP = 24,
+	AKEYCODE_VOLUME_DOWN = 25,
+	AKEYCODE_POWER = 26,
+	AKEYCODE_CAMERA = 27,
+	AKEYCODE_CLEAR = 28,
+	AKEYCODE_A = 29,
+	AKEYCODE_B = 30,
+	AKEYCODE_C = 31,
+	AKEYCODE_D = 32,
+	AKEYCODE_E = 33,
+	AKEYCODE_F = 34,
+	AKEYCODE_G = 35,
+	AKEYCODE_H = 36,
+	AKEYCODE_I = 37,
+	AKEYCODE_J = 38,
+	AKEYCODE_K = 39,
+	AKEYCODE_L = 40,
+	AKEYCODE_M = 41,
+	AKEYCODE_N = 42,
+	AKEYCODE_O = 43,
+	AKEYCODE_P = 44,
+	AKEYCODE_Q = 45,
+	AKEYCODE_R = 46,
+	AKEYCODE_S = 47,
+	AKEYCODE_T = 48,
+	AKEYCODE_U = 49,
+	AKEYCODE_V = 50,
+	AKEYCODE_W = 51,
+	AKEYCODE_X = 52,
+	AKEYCODE_Y = 53,
+	AKEYCODE_Z = 54,
+	AKEYCODE_COMMA = 55,
+	AKEYCODE_PERIOD = 56,
+	AKEYCODE_ALT_LEFT = 57,
+	AKEYCODE_ALT_RIGHT = 58,
+	AKEYCODE_SHIFT_LEFT = 59,
+	AKEYCODE_SHIFT_RIGHT = 60,
+	AKEYCODE_TAB = 61,
+	AKEYCODE_SPACE = 62,
+	AKEYCODE_SYM = 63,
+	AKEYCODE_EXPLORER = 64,
+	AKEYCODE_ENVELOPE = 65,
+	AKEYCODE_ENTER = 66,
+	AKEYCODE_DEL = 67,
+	AKEYCODE_GRAVE = 68,
+	AKEYCODE_MINUS = 69,
+	AKEYCODE_EQUALS = 70,
+	AKEYCODE_LEFT_BRACKET = 71,
+	AKEYCODE_RIGHT_BRACKET = 72,
+	AKEYCODE_BACKSLASH = 73,
+	AKEYCODE_SEMICOLON = 74,
+	AKEYCODE_APOSTROPHE = 75,
+	AKEYCODE_SLASH = 76,
+	AKEYCODE_AT = 77,
+	AKEYCODE_NUM = 78,
+	AKEYCODE_HEADSETHOOK = 79,
+	AKEYCODE_FOCUS = 80, // *Camera* focus
+	AKEYCODE_PLUS = 81,
+	AKEYCODE_MENU = 82,
+	AKEYCODE_NOTIFICATION = 83,
+	AKEYCODE_SEARCH = 84,
+	AKEYCODE_MEDIA_PLAY_PAUSE = 85,
+	AKEYCODE_MEDIA_STOP = 86,
+	AKEYCODE_MEDIA_NEXT = 87,
+	AKEYCODE_MEDIA_PREVIOUS = 88,
+	AKEYCODE_MEDIA_REWIND = 89,
+	AKEYCODE_MEDIA_FAST_FORWARD = 90,
+	AKEYCODE_MUTE = 91,
+	AKEYCODE_PAGE_UP = 92,
+	AKEYCODE_PAGE_DOWN = 93,
+	AKEYCODE_PICTSYMBOLS = 94,
+	AKEYCODE_SWITCH_CHARSET = 95,
+	AKEYCODE_BUTTON_A = 96,
+	AKEYCODE_BUTTON_B = 97,
+	AKEYCODE_BUTTON_C = 98,
+	AKEYCODE_BUTTON_X = 99,
+	AKEYCODE_BUTTON_Y = 100,
+	AKEYCODE_BUTTON_Z = 101,
+	AKEYCODE_BUTTON_L1 = 102,
+	AKEYCODE_BUTTON_R1 = 103,
+	AKEYCODE_BUTTON_L2 = 104,
+	AKEYCODE_BUTTON_R2 = 105,
+	AKEYCODE_BUTTON_THUMBL = 106,
+	AKEYCODE_BUTTON_THUMBR = 107,
+	AKEYCODE_BUTTON_START = 108,
+	AKEYCODE_BUTTON_SELECT = 109,
+	AKEYCODE_BUTTON_MODE = 110,
+
+	// NOTE: If you add a new keycode here you must also add it to several other files.
+	//       Refer to frameworks/base/core/java/android/view/KeyEvent.java for the full list.
+};
+
+struct _WinTranslatePair {
+
+	unsigned int keysym;
+	unsigned int keycode;
+};
+
+static _WinTranslatePair _ak_to_keycode[] = {
+	{ KEY_TAB, AKEYCODE_TAB },
+	{ KEY_ENTER, AKEYCODE_ENTER },
+	{ KEY_SHIFT, AKEYCODE_SHIFT_LEFT },
+	{ KEY_SHIFT, AKEYCODE_SHIFT_RIGHT },
+	{ KEY_ALT, AKEYCODE_ALT_LEFT },
+	{ KEY_ALT, AKEYCODE_ALT_RIGHT },
+	{ KEY_MENU, AKEYCODE_MENU },
+	{ KEY_PAUSE, AKEYCODE_MEDIA_PLAY_PAUSE },
+	{ KEY_ESCAPE, AKEYCODE_BACK },
+	{ KEY_SPACE, AKEYCODE_SPACE },
+	{ KEY_PAGEUP, AKEYCODE_PAGE_UP },
+	{ KEY_PAGEDOWN, AKEYCODE_PAGE_DOWN },
+	{ KEY_HOME, AKEYCODE_HOME }, //(0x24)
+	{ KEY_LEFT, AKEYCODE_DPAD_LEFT },
+	{ KEY_UP, AKEYCODE_DPAD_UP },
+	{ KEY_RIGHT, AKEYCODE_DPAD_RIGHT },
+	{ KEY_DOWN, AKEYCODE_DPAD_DOWN },
+	{ KEY_PERIODCENTERED, AKEYCODE_DPAD_CENTER },
+	{ KEY_BACKSPACE, AKEYCODE_DEL },
+	{ KEY_0, AKEYCODE_0 }, ////0 key
+	{ KEY_1, AKEYCODE_1 }, ////1 key
+	{ KEY_2, AKEYCODE_2 }, ////2 key
+	{ KEY_3, AKEYCODE_3 }, ////3 key
+	{ KEY_4, AKEYCODE_4 }, ////4 key
+	{ KEY_5, AKEYCODE_5 }, ////5 key
+	{ KEY_6, AKEYCODE_6 }, ////6 key
+	{ KEY_7, AKEYCODE_7 }, ////7 key
+	{ KEY_8, AKEYCODE_8 }, ////8 key
+	{ KEY_9, AKEYCODE_9 }, ////9 key
+	{ KEY_A, AKEYCODE_A }, ////A key
+	{ KEY_B, AKEYCODE_B }, ////B key
+	{ KEY_C, AKEYCODE_C }, ////C key
+	{ KEY_D, AKEYCODE_D }, ////D key
+	{ KEY_E, AKEYCODE_E }, ////E key
+	{ KEY_F, AKEYCODE_F }, ////F key
+	{ KEY_G, AKEYCODE_G }, ////G key
+	{ KEY_H, AKEYCODE_H }, ////H key
+	{ KEY_I, AKEYCODE_I }, ////I key
+	{ KEY_J, AKEYCODE_J }, ////J key
+	{ KEY_K, AKEYCODE_K }, ////K key
+	{ KEY_L, AKEYCODE_L }, ////L key
+	{ KEY_M, AKEYCODE_M }, ////M key
+	{ KEY_N, AKEYCODE_N }, ////N key
+	{ KEY_O, AKEYCODE_O }, ////O key
+	{ KEY_P, AKEYCODE_P }, ////P key
+	{ KEY_Q, AKEYCODE_Q }, ////Q key
+	{ KEY_R, AKEYCODE_R }, ////R key
+	{ KEY_S, AKEYCODE_S }, ////S key
+	{ KEY_T, AKEYCODE_T }, ////T key
+	{ KEY_U, AKEYCODE_U }, ////U key
+	{ KEY_V, AKEYCODE_V }, ////V key
+	{ KEY_W, AKEYCODE_W }, ////W key
+	{ KEY_X, AKEYCODE_X }, ////X key
+	{ KEY_Y, AKEYCODE_Y }, ////Y key
+	{ KEY_Z, AKEYCODE_Z }, ////Z key
+	{ KEY_HOMEPAGE, AKEYCODE_EXPLORER },
+	{ KEY_LAUNCH0, AKEYCODE_BUTTON_A },
+	{ KEY_LAUNCH1, AKEYCODE_BUTTON_B },
+	{ KEY_LAUNCH2, AKEYCODE_BUTTON_C },
+	{ KEY_LAUNCH3, AKEYCODE_BUTTON_X },
+	{ KEY_LAUNCH4, AKEYCODE_BUTTON_Y },
+	{ KEY_LAUNCH5, AKEYCODE_BUTTON_Z },
+	{ KEY_LAUNCH6, AKEYCODE_BUTTON_L1 },
+	{ KEY_LAUNCH7, AKEYCODE_BUTTON_R1 },
+	{ KEY_LAUNCH8, AKEYCODE_BUTTON_L2 },
+	{ KEY_LAUNCH9, AKEYCODE_BUTTON_R2 },
+	{ KEY_LAUNCHA, AKEYCODE_BUTTON_THUMBL },
+	{ KEY_LAUNCHB, AKEYCODE_BUTTON_THUMBR },
+	{ KEY_LAUNCHC, AKEYCODE_BUTTON_START },
+	{ KEY_LAUNCHD, AKEYCODE_BUTTON_SELECT },
+	{ KEY_LAUNCHE, AKEYCODE_BUTTON_MODE },
+	{ KEY_VOLUMEMUTE, AKEYCODE_MUTE },
+	{ KEY_VOLUMEDOWN, AKEYCODE_VOLUME_DOWN },
+	{ KEY_VOLUMEUP, AKEYCODE_VOLUME_UP },
+	{ KEY_BACK, AKEYCODE_MEDIA_REWIND },
+	{ KEY_FORWARD, AKEYCODE_MEDIA_FAST_FORWARD },
+	{ KEY_MEDIANEXT, AKEYCODE_MEDIA_NEXT },
+	{ KEY_MEDIAPREVIOUS, AKEYCODE_MEDIA_PREVIOUS },
+	{ KEY_MEDIASTOP, AKEYCODE_MEDIA_STOP },
+	{ KEY_PLUS, AKEYCODE_PLUS },
+	{ KEY_EQUAL, AKEYCODE_EQUALS }, // the '+' key
+	{ KEY_COMMA, AKEYCODE_COMMA }, // the ',' key
+	{ KEY_MINUS, AKEYCODE_MINUS }, // the '-' key
+	{ KEY_SLASH, AKEYCODE_SLASH }, // the '/?' key
+	{ KEY_BACKSLASH, AKEYCODE_BACKSLASH },
+	{ KEY_BRACKETLEFT, AKEYCODE_LEFT_BRACKET },
+	{ KEY_BRACKETRIGHT, AKEYCODE_RIGHT_BRACKET },
+	{ KEY_UNKNOWN, 0 }
+};
+/*
+TODO: map these android key:
+    AKEYCODE_SOFT_LEFT       = 1,
+    AKEYCODE_SOFT_RIGHT      = 2,
+    AKEYCODE_CALL            = 5,
+    AKEYCODE_ENDCALL         = 6,
+    AKEYCODE_STAR            = 17,
+    AKEYCODE_POUND           = 18,
+    AKEYCODE_POWER           = 26,
+    AKEYCODE_CAMERA          = 27,
+    AKEYCODE_CLEAR           = 28,
+    AKEYCODE_SYM             = 63,
+    AKEYCODE_ENVELOPE        = 65,
+    AKEYCODE_GRAVE           = 68,
+    AKEYCODE_SEMICOLON       = 74,
+    AKEYCODE_APOSTROPHE      = 75,
+    AKEYCODE_AT              = 77,
+    AKEYCODE_NUM             = 78,
+    AKEYCODE_HEADSETHOOK     = 79,
+    AKEYCODE_FOCUS           = 80,   // *Camera* focus
+    AKEYCODE_NOTIFICATION    = 83,
+    AKEYCODE_SEARCH          = 84,
+    AKEYCODE_PICTSYMBOLS     = 94,
+    AKEYCODE_SWITCH_CHARSET  = 95,
+*/
+
+static unsigned int android_get_keysym(unsigned int p_code) {
+	for (int i = 0; _ak_to_keycode[i].keysym != KEY_UNKNOWN; i++) {
+
+		if (_ak_to_keycode[i].keycode == p_code) {
+
+			return _ak_to_keycode[i].keysym;
+		}
+	}
+
+	return KEY_UNKNOWN;
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joybutton(JNIEnv *env, jobject obj, jint p_device, jint p_button, jboolean p_pressed) {
+	if (step == 0)
+		return;
+
+	OS_Android::JoypadEvent jevent;
+	jevent.device = p_device;
+	jevent.type = OS_Android::JOY_EVENT_BUTTON;
+	jevent.index = p_button;
+	jevent.pressed = p_pressed;
+
+	os_android->process_joy_event(jevent);
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyaxis(JNIEnv *env, jobject obj, jint p_device, jint p_axis, jfloat p_value) {
+	if (step == 0)
+		return;
+
+	OS_Android::JoypadEvent jevent;
+	jevent.device = p_device;
+	jevent.type = OS_Android::JOY_EVENT_AXIS;
+	jevent.index = p_axis;
+	jevent.value = p_value;
+
+	os_android->process_joy_event(jevent);
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyhat(JNIEnv *env, jobject obj, jint p_device, jint p_hat_x, jint p_hat_y) {
+	if (step == 0)
+		return;
+
+	OS_Android::JoypadEvent jevent;
+	jevent.device = p_device;
+	jevent.type = OS_Android::JOY_EVENT_HAT;
+	int hat = 0;
+	if (p_hat_x != 0) {
+		if (p_hat_x < 0)
+			hat |= InputDefault::HAT_MASK_LEFT;
+		else
+			hat |= InputDefault::HAT_MASK_RIGHT;
+	}
+	if (p_hat_y != 0) {
+		if (p_hat_y < 0)
+			hat |= InputDefault::HAT_MASK_UP;
+		else
+			hat |= InputDefault::HAT_MASK_DOWN;
+	}
+	jevent.hat = hat;
+
+	os_android->process_joy_event(jevent);
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_joyconnectionchanged(JNIEnv *env, jobject obj, jint p_device, jboolean p_connected, jstring p_name) {
+	if (os_android) {
+		String name = jstring_to_string(p_name, env);
+		os_android->joy_connection_changed(p_device, p_connected, name);
+	}
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_key(JNIEnv *env, jobject obj, jint p_scancode, jint p_unicode_char, jboolean p_pressed) {
+	if (step == 0)
+		return;
+
+	Ref<InputEventKey> ievent;
+	ievent.instance();
+	int val = p_unicode_char;
+	int scancode = android_get_keysym(p_scancode);
+	ievent->set_scancode(scancode);
+	ievent->set_unicode(val);
+	ievent->set_pressed(p_pressed);
+
+	if (val == '\n') {
+		ievent->set_scancode(KEY_ENTER);
+	} else if (val == 61448) {
+		ievent->set_scancode(KEY_BACKSPACE);
+		ievent->set_unicode(KEY_BACKSPACE);
+	} else if (val == 61453) {
+		ievent->set_scancode(KEY_ENTER);
+		ievent->set_unicode(KEY_ENTER);
+	} else if (p_scancode == 4) {
+
+		os_android->main_loop_request_go_back();
+	}
+
+	os_android->process_event(ievent);
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_accelerometer(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat z) {
+	accelerometer = Vector3(x, y, z);
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_gravity(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat z) {
+	gravity = Vector3(x, y, z);
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_magnetometer(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat z) {
+	magnetometer = Vector3(x, y, z);
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_gyroscope(JNIEnv *env, jobject obj, jfloat x, jfloat y, jfloat z) {
+	gyroscope = Vector3(x, y, z);
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_focusin(JNIEnv *env, jobject obj) {
+
+	if (step == 0)
+		return;
+
+	os_android->main_loop_focusin();
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_focusout(JNIEnv *env, jobject obj) {
+
+	if (step == 0)
+		return;
+
+	os_android->main_loop_focusout();
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_audio(JNIEnv *env, jobject obj) {
+
+	ThreadAndroid::setup_thread();
+	AudioDriverAndroid::thread_func(env);
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_singleton(JNIEnv *env, jobject obj, jstring name, jobject p_object) {
+
+	String singname = jstring_to_string(name, env);
+	JNISingleton *s = memnew(JNISingleton);
+	s->set_instance(env->NewGlobalRef(p_object));
+	jni_singletons[singname] = s;
+
+	Engine::get_singleton()->add_singleton(Engine::Singleton(singname, s));
+	ProjectSettings::get_singleton()->set(singname, s);
+}
+
+static Variant::Type get_jni_type(const String &p_type) {
+
+	static struct {
+		const char *name;
+		Variant::Type type;
+	} _type_to_vtype[] = {
+		{ "void", Variant::NIL },
+		{ "boolean", Variant::BOOL },
+		{ "int", Variant::INT },
+		{ "float", Variant::REAL },
+		{ "double", Variant::REAL },
+		{ "java.lang.String", Variant::STRING },
+		{ "[I", Variant::POOL_INT_ARRAY },
+		{ "[B", Variant::POOL_BYTE_ARRAY },
+		{ "[F", Variant::POOL_REAL_ARRAY },
+		{ "[Ljava.lang.String;", Variant::POOL_STRING_ARRAY },
+		{ "org.godotengine.godot.Dictionary", Variant::DICTIONARY },
+		{ NULL, Variant::NIL }
+	};
+
+	int idx = 0;
+
+	while (_type_to_vtype[idx].name) {
+
+		if (p_type == _type_to_vtype[idx].name)
+			return _type_to_vtype[idx].type;
+
+		idx++;
+	}
+
+	return Variant::NIL;
+}
+
+static const char *get_jni_sig(const String &p_type) {
+
+	static struct {
+		const char *name;
+		const char *sig;
+	} _type_to_vtype[] = {
+		{ "void", "V" },
+		{ "boolean", "Z" },
+		{ "int", "I" },
+		{ "float", "F" },
+		{ "double", "D" },
+		{ "java.lang.String", "Ljava/lang/String;" },
+		{ "org.godotengine.godot.Dictionary", "Lorg/godotengine/godot/Dictionary;" },
+		{ "[I", "[I" },
+		{ "[B", "[B" },
+		{ "[F", "[F" },
+		{ "[Ljava.lang.String;", "[Ljava/lang/String;" },
+		{ NULL, "V" }
+	};
+
+	int idx = 0;
+
+	while (_type_to_vtype[idx].name) {
+
+		if (p_type == _type_to_vtype[idx].name)
+			return _type_to_vtype[idx].sig;
+
+		idx++;
+	}
+
+	return "Ljava/lang/Object;";
+}
+
+JNIEXPORT jstring JNICALL Java_org_godotengine_godot_GodotLib_getGlobal(JNIEnv *env, jobject obj, jstring path) {
+
+	String js = jstring_to_string(path, env);
+
+	return env->NewStringUTF(ProjectSettings::get_singleton()->get(js).operator String().utf8().get_data());
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_method(JNIEnv *env, jobject obj, 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_GodotLib_callobject(JNIEnv *env, jobject p_obj, jint ID, jstring method, jobjectArray params) {
+
+	Object *obj = ObjectDB::get_instance(ID);
+	ERR_FAIL_COND(!obj);
+
+	int res = env->PushLocalFrame(16);
+	ERR_FAIL_COND(res != 0);
+
+	String str_method = jstring_to_string(method, env);
+
+	int count = env->GetArrayLength(params);
+	Variant *vlist = (Variant *)alloca(sizeof(Variant) * count);
+	Variant **vptr = (Variant **)alloca(sizeof(Variant *) * count);
+	for (int i = 0; i < count; i++) {
+
+		jobject obj = env->GetObjectArrayElement(params, i);
+		Variant v;
+		if (obj)
+			v = _jobject_to_variant(env, obj);
+		memnew_placement(&vlist[i], Variant);
+		vlist[i] = v;
+		vptr[i] = &vlist[i];
+		env->DeleteLocalRef(obj);
+	};
+
+	Variant::CallError err;
+	obj->call(str_method, (const Variant **)vptr, count, err);
+	// something
+
+	env->PopLocalFrame(NULL);
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_calldeferred(JNIEnv *env, jobject p_obj, jint ID, jstring method, jobjectArray params) {
+
+	Object *obj = ObjectDB::get_instance(ID);
+	ERR_FAIL_COND(!obj);
+
+	int res = env->PushLocalFrame(16);
+	ERR_FAIL_COND(res != 0);
+
+	String str_method = jstring_to_string(method, env);
+
+	int count = env->GetArrayLength(params);
+	Variant args[VARIANT_ARG_MAX];
+
+	for (int i = 0; i < MIN(count, VARIANT_ARG_MAX); i++) {
+
+		jobject obj = env->GetObjectArrayElement(params, i);
+		if (obj)
+			args[i] = _jobject_to_variant(env, obj);
+		env->DeleteLocalRef(obj);
+	};
+
+	obj->call_deferred(str_method, args[0], args[1], args[2], args[3], args[4]);
+	// something
+	env->PopLocalFrame(NULL);
+}
+
+JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_requestPermissionResult(JNIEnv *env, jobject p_obj, jstring p_permission, jboolean p_result) {
+	String permission = jstring_to_string(p_permission, env);
+	if (permission == "android.permission.RECORD_AUDIO" && p_result) {
+		AudioDriver::get_singleton()->capture_start();
+	}
+}