From f69760b4befd7348c443960b84dd5f4e1d372e17 Mon Sep 17 00:00:00 2001 From: fhuya Date: Wed, 25 Mar 2020 14:01:12 -0700 Subject: [PATCH] Add signal support to Godot Android plugin: Supports registering and emitting signal from a Godot Android plugin --- platform/android/api/api.cpp | 5 + platform/android/api/jni_singleton.h | 241 ++++++++++++++++++ .../godotengine/godot/plugin/GodotPlugin.java | 85 +++++- .../godotengine/godot/plugin/SignalInfo.java | 98 +++++++ platform/android/java_godot_lib_jni.cpp | 2 + platform/android/jni_utils.h | 185 -------------- platform/android/plugin/godot_plugin_jni.cpp | 48 +++- platform/android/plugin/godot_plugin_jni.h | 2 + 8 files changed, 479 insertions(+), 187 deletions(-) create mode 100644 platform/android/api/jni_singleton.h create mode 100644 platform/android/java/lib/src/org/godotengine/godot/plugin/SignalInfo.java diff --git a/platform/android/api/api.cpp b/platform/android/api/api.cpp index 2146c5409b3..65970246981 100644 --- a/platform/android/api/api.cpp +++ b/platform/android/api/api.cpp @@ -32,6 +32,7 @@ #include "core/engine.h" #include "java_class_wrapper.h" +#include "jni_singleton.h" #if !defined(ANDROID_ENABLED) static JavaClassWrapper *java_class_wrapper = NULL; @@ -40,7 +41,11 @@ static JavaClassWrapper *java_class_wrapper = NULL; void register_android_api() { #if !defined(ANDROID_ENABLED) + // On Android platforms, the `java_class_wrapper` instantiation and the + // `JNISingleton` registration occurs in + // `platform/android/java_godot_lib_jni.cpp#Java_org_godotengine_godot_GodotLib_setup` java_class_wrapper = memnew(JavaClassWrapper); // Dummy + ClassDB::register_class(); #endif ClassDB::register_class(); diff --git a/platform/android/api/jni_singleton.h b/platform/android/api/jni_singleton.h new file mode 100644 index 00000000000..d2aff7a017d --- /dev/null +++ b/platform/android/api/jni_singleton.h @@ -0,0 +1,241 @@ +/*************************************************************************/ +/* jni_singleton.h */ +/*************************************************************************/ +/* 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. */ +/*************************************************************************/ + +#ifndef JNI_SINGLETON_H +#define JNI_SINGLETON_H + +#include +#include +#ifdef ANDROID_ENABLED +#include +#endif + +class JNISingleton : public Object { + + GDCLASS(JNISingleton, Object); + +#ifdef ANDROID_ENABLED + struct MethodData { + + jmethodID method; + Variant::Type ret_type; + Vector argtypes; + }; + + jobject instance; + Map method_map; +#endif + +public: + virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) { +#ifdef ANDROID_ENABLED + Map::Element *E = method_map.find(p_method); + + // Check the method we're looking for is in the JNISingleton map and that + // the arguments match. + bool call_error = !E || E->get().argtypes.size() != p_argcount; + if (!call_error) { + for (int i = 0; i < p_argcount; i++) { + + if (!Variant::can_convert(p_args[i]->get_type(), E->get().argtypes[i])) { + call_error = true; + break; + } + } + } + + if (call_error) { + // The method is not in this map, defaulting to the regular instance calls. + return Object::call(p_method, p_args, p_argcount, r_error); + } + + ERR_FAIL_COND_V(!instance, Variant()); + + r_error.error = Variant::CallError::CALL_OK; + + 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 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 sarr; + sarr.resize(fCount); + + PoolVector::Write w = sarr.write(); + env->GetIntArrayRegion(arr, 0, fCount, w.ptr()); + w.release(); + 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 sarr; + sarr.resize(fCount); + + PoolVector::Write w = sarr.write(); + env->GetFloatArrayRegion(arr, 0, fCount, w.ptr()); + w.release(); + 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; +#else // ANDROID_ENABLED + + // Defaulting to the regular instance calls. + return Object::call(p_method, p_args, p_argcount, r_error); +#endif + } + +#ifdef ANDROID_ENABLED + 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 &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; + } + + void add_signal(const StringName &p_name, const Vector &p_args) { + if (p_args.size() == 0) + ADD_SIGNAL(MethodInfo(p_name)); + else if (p_args.size() == 1) + ADD_SIGNAL(MethodInfo(p_name, PropertyInfo(p_args[0], "arg1"))); + else if (p_args.size() == 2) + ADD_SIGNAL(MethodInfo(p_name, PropertyInfo(p_args[0], "arg1"), PropertyInfo(p_args[1], "arg2"))); + else if (p_args.size() == 3) + ADD_SIGNAL(MethodInfo(p_name, PropertyInfo(p_args[0], "arg1"), PropertyInfo(p_args[1], "arg2"), PropertyInfo(p_args[2], "arg3"))); + else if (p_args.size() == 4) + ADD_SIGNAL(MethodInfo(p_name, PropertyInfo(p_args[0], "arg1"), PropertyInfo(p_args[1], "arg2"), PropertyInfo(p_args[2], "arg3"), PropertyInfo(p_args[3], "arg4"))); + else if (p_args.size() == 5) + ADD_SIGNAL(MethodInfo(p_name, PropertyInfo(p_args[0], "arg1"), PropertyInfo(p_args[1], "arg2"), PropertyInfo(p_args[2], "arg3"), PropertyInfo(p_args[3], "arg4"), PropertyInfo(p_args[4], "arg5"))); + } + +#endif + + JNISingleton() { +#ifdef ANDROID_ENABLED + instance = NULL; +#endif + } +}; + +#endif // JNI_SINGLETON_H diff --git a/platform/android/java/lib/src/org/godotengine/godot/plugin/GodotPlugin.java b/platform/android/java/lib/src/org/godotengine/godot/plugin/GodotPlugin.java index d8ba0379fff..3ae4093adc9 100644 --- a/platform/android/java/lib/src/org/godotengine/godot/plugin/GodotPlugin.java +++ b/platform/android/java/lib/src/org/godotengine/godot/plugin/GodotPlugin.java @@ -34,14 +34,18 @@ import android.app.Activity; import android.content.Intent; import android.support.annotation.NonNull; import android.support.annotation.Nullable; +import android.text.TextUtils; +import android.util.Log; import android.view.View; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.Set; +import java.util.concurrent.ConcurrentHashMap; import javax.microedition.khronos.egl.EGLConfig; import javax.microedition.khronos.opengles.GL10; +import org.godotengine.godot.BuildConfig; import org.godotengine.godot.Godot; /** @@ -69,7 +73,10 @@ import org.godotengine.godot.Godot; */ public abstract class GodotPlugin { + private static final String TAG = GodotPlugin.class.getSimpleName(); + private final Godot godot; + private final ConcurrentHashMap registeredSignals = new ConcurrentHashMap<>(); public GodotPlugin(Godot godot) { this.godot = godot; @@ -115,6 +122,13 @@ public abstract class GodotPlugin { nativeRegisterMethod(getPluginName(), method.getName(), method.getReturnType().getName(), pt); } + // Register the signals for this plugin. + for (SignalInfo signalInfo : getPluginSignals()) { + String signalName = signalInfo.getName(); + nativeRegisterSignal(getPluginName(), signalName, signalInfo.getParamTypesNames()); + registeredSignals.put(signalName, signalInfo); + } + // Get the list of gdnative libraries to register. Set gdnativeLibrariesPaths = getPluginGDNativeLibrariesPaths(); if (!gdnativeLibrariesPaths.isEmpty()) { @@ -201,7 +215,17 @@ public abstract class GodotPlugin { * Returns the list of methods to be exposed to Godot. */ @NonNull - public abstract List getPluginMethods(); + public List getPluginMethods() { + return Collections.emptyList(); + } + + /** + * Returns the list of signals to be exposed to Godot. + */ + @NonNull + public Set getPluginSignals() { + return Collections.emptySet(); + } /** * Returns the paths for the plugin's gdnative libraries. @@ -233,6 +257,49 @@ public abstract class GodotPlugin { godot.runOnGLThread(action); } + /** + * Emit a registered Godot signal. + * @param signalName + * @param signalArgs + */ + protected void emitSignal(final String signalName, final Object... signalArgs) { + try { + // Check that the given signal is among the registered set. + SignalInfo signalInfo = registeredSignals.get(signalName); + if (signalInfo == null) { + throw new IllegalArgumentException( + "Signal " + signalName + " is not registered for this plugin."); + } + + // Validate the arguments count. + Class[] signalParamTypes = signalInfo.getParamTypes(); + if (signalArgs.length != signalParamTypes.length) { + throw new IllegalArgumentException( + "Invalid arguments count. Should be " + signalParamTypes.length + " but is " + signalArgs.length); + } + + // Validate the argument's types. + for (int i = 0; i < signalParamTypes.length; i++) { + if (!signalParamTypes[i].isInstance(signalArgs[i])) { + throw new IllegalArgumentException( + "Invalid type for argument #" + i + ". Should be of type " + signalParamTypes[i].getName()); + } + } + + runOnGLThread(new Runnable() { + @Override + public void run() { + nativeEmitSignal(getPluginName(), signalName, signalArgs); + } + }); + } catch (IllegalArgumentException exception) { + Log.w(TAG, exception.getMessage()); + if (BuildConfig.DEBUG) { + throw exception; + } + } + } + /** * Used to setup a {@link GodotPlugin} instance. * @param p_name Name of the instance. @@ -253,4 +320,20 @@ public abstract class GodotPlugin { * @param gdnlibPaths Paths to the libraries relative to the 'assets' directory. */ private native void nativeRegisterGDNativeLibraries(String[] gdnlibPaths); + + /** + * Used to complete registration of the {@link GodotPlugin} instance's methods. + * @param pluginName Name of the plugin + * @param signalName Name of the signal to register + * @param signalParamTypes Signal parameters types + */ + private native void nativeRegisterSignal(String pluginName, String signalName, String[] signalParamTypes); + + /** + * Used to emit signal by {@link GodotPlugin} instance. + * @param pluginName Name of the plugin + * @param signalName Name of the signal to emit + * @param signalParams Signal parameters + */ + private native void nativeEmitSignal(String pluginName, String signalName, Object[] signalParams); } diff --git a/platform/android/java/lib/src/org/godotengine/godot/plugin/SignalInfo.java b/platform/android/java/lib/src/org/godotengine/godot/plugin/SignalInfo.java new file mode 100644 index 00000000000..f9077068896 --- /dev/null +++ b/platform/android/java/lib/src/org/godotengine/godot/plugin/SignalInfo.java @@ -0,0 +1,98 @@ +/*************************************************************************/ +/* SignalInfo.java */ +/*************************************************************************/ +/* 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. */ +/*************************************************************************/ + +package org.godotengine.godot.plugin; + +import android.support.annotation.NonNull; +import android.text.TextUtils; +import java.util.Arrays; + +/** + * Store information about a {@link GodotPlugin}'s signal. + */ +public final class SignalInfo { + + private final String name; + private final Class[] paramTypes; + private final String[] paramTypesNames; + + public SignalInfo(@NonNull String signalName, Class... paramTypes) { + if (TextUtils.isEmpty(signalName)) { + throw new IllegalArgumentException("Invalid signal name: " + signalName); + } + + this.name = signalName; + this.paramTypes = paramTypes == null ? new Class[ 0 ] : paramTypes; + this.paramTypesNames = new String[this.paramTypes.length]; + for (int i = 0; i < this.paramTypes.length; i++) { + this.paramTypesNames[i] = this.paramTypes[i].getName(); + } + } + + public String getName() { + return name; + } + + Class[] getParamTypes() { + return paramTypes; + } + + String[] getParamTypesNames() { + return paramTypesNames; + } + + @Override + public String toString() { + return "SignalInfo{" + + + "name='" + name + '\'' + + ", paramsTypes=" + Arrays.toString(paramTypes) + + '}'; + } + + @Override + public boolean equals(Object o) { + if (this == o) { + return true; + } + if (!(o instanceof SignalInfo)) { + return false; + } + + SignalInfo that = (SignalInfo)o; + + return name.equals(that.name); + } + + @Override + public int hashCode() { + return name.hashCode(); + } +} diff --git a/platform/android/java_godot_lib_jni.cpp b/platform/android/java_godot_lib_jni.cpp index e5d19c0fc7f..ce2d28c9730 100644 --- a/platform/android/java_godot_lib_jni.cpp +++ b/platform/android/java_godot_lib_jni.cpp @@ -35,6 +35,7 @@ #include "android/asset_manager_jni.h" #include "android_keys_utils.h" #include "api/java_class_wrapper.h" +#include "api/jni_singleton.h" #include "audio_driver_jandroid.h" #include "core/engine.h" #include "core/project_settings.h" @@ -198,6 +199,7 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_GodotLib_setup(JNIEnv *env, jc } java_class_wrapper = memnew(JavaClassWrapper(godot_java->get_activity())); + ClassDB::register_class(); _initialize_java_modules(); } diff --git a/platform/android/jni_utils.h b/platform/android/jni_utils.h index b5c0279146b..7c56c55a917 100644 --- a/platform/android/jni_utils.h +++ b/platform/android/jni_utils.h @@ -53,189 +53,4 @@ Variant::Type get_jni_type(const String &p_type); const char *get_jni_sig(const String &p_type); -class JNISingleton : public Object { - - GDCLASS(JNISingleton, Object); - - struct MethodData { - - jmethodID method; - Variant::Type ret_type; - Vector argtypes; - }; - - jobject instance; - Map 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::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 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 sarr; - sarr.resize(fCount); - - PoolVector::Write w = sarr.write(); - env->GetIntArrayRegion(arr, 0, fCount, w.ptr()); - w.release(); - 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 sarr; - sarr.resize(fCount); - - PoolVector::Write w = sarr.write(); - env->GetFloatArrayRegion(arr, 0, fCount, w.ptr()); - w.release(); - 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 &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; - } -}; - #endif // JNI_UTILS_H diff --git a/platform/android/plugin/godot_plugin_jni.cpp b/platform/android/plugin/godot_plugin_jni.cpp index 6e43728505f..260fec11c90 100644 --- a/platform/android/plugin/godot_plugin_jni.cpp +++ b/platform/android/plugin/godot_plugin_jni.cpp @@ -33,6 +33,7 @@ #include #include #include +#include #include #include @@ -43,7 +44,7 @@ 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 = memnew(JNISingleton); + JNISingleton *s = (JNISingleton *)ClassDB::instance("JNISingleton"); s->set_instance(env->NewGlobalRef(obj)); jni_singletons[singname] = s; @@ -86,6 +87,51 @@ JNIEXPORT void JNICALL Java_org_godotengine_godot_plugin_GodotPlugin_nativeRegis 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 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); + const Variant *args[count]; + + for (int i = 0; i < count; i++) { + + jobject j_param = env->GetObjectArrayElement(j_signal_params, i); + Variant variant = _jobject_to_variant(env, j_param); + args[i] = &variant; + 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) { diff --git a/platform/android/plugin/godot_plugin_jni.h b/platform/android/plugin/godot_plugin_jni.h index 314b9210acd..58711f1c4e0 100644 --- a/platform/android/plugin/godot_plugin_jni.h +++ b/platform/android/plugin/godot_plugin_jni.h @@ -37,6 +37,8 @@ extern "C" { JNIEXPORT void JNICALL Java_org_godotengine_godot_plugin_GodotPlugin_nativeRegisterSingleton(JNIEnv *env, jclass clazz, jstring name, jobject obj); JNIEXPORT void JNICALL Java_org_godotengine_godot_plugin_GodotPlugin_nativeRegisterMethod(JNIEnv *env, jclass clazz, jstring sname, jstring name, jstring ret, jobjectArray args); +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); +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); JNIEXPORT void JNICALL Java_org_godotengine_godot_plugin_GodotPlugin_nativeRegisterGDNativeLibraries(JNIEnv *env, jobject obj, jobjectArray gdnlib_paths); }