224 lines
7.5 KiB
C++
224 lines
7.5 KiB
C++
/*************************************************************************/
|
|
/* 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 <core/engine.h>
|
|
#include <core/variant.h>
|
|
#ifdef ANDROID_ENABLED
|
|
#include <platform/android/jni_utils.h>
|
|
#endif
|
|
|
|
class JNISingleton : public Object {
|
|
GDCLASS(JNISingleton, Object);
|
|
|
|
#ifdef ANDROID_ENABLED
|
|
struct MethodData {
|
|
jmethodID method;
|
|
Variant::Type ret_type;
|
|
Vector<Variant::Type> argtypes;
|
|
};
|
|
|
|
jobject instance;
|
|
Map<StringName, MethodData> method_map;
|
|
#endif
|
|
|
|
public:
|
|
virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
|
|
#ifdef ANDROID_ENABLED
|
|
Map<StringName, MethodData>::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 = Callable::CallError::CALL_OK;
|
|
|
|
jvalue *v = nullptr;
|
|
|
|
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::FLOAT: {
|
|
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::PACKED_STRING_ARRAY: {
|
|
jobjectArray arr = (jobjectArray)env->CallObjectMethodA(instance, E->get().method, v);
|
|
|
|
ret = _jobject_to_variant(env, arr);
|
|
|
|
env->DeleteLocalRef(arr);
|
|
} break;
|
|
case Variant::PACKED_INT32_ARRAY: {
|
|
jintArray arr = (jintArray)env->CallObjectMethodA(instance, E->get().method, v);
|
|
|
|
int fCount = env->GetArrayLength(arr);
|
|
Vector<int> sarr;
|
|
sarr.resize(fCount);
|
|
|
|
int *w = sarr.ptrw();
|
|
env->GetIntArrayRegion(arr, 0, fCount, w);
|
|
ret = sarr;
|
|
env->DeleteLocalRef(arr);
|
|
} break;
|
|
case Variant::PACKED_FLOAT32_ARRAY: {
|
|
jfloatArray arr = (jfloatArray)env->CallObjectMethodA(instance, E->get().method, v);
|
|
|
|
int fCount = env->GetArrayLength(arr);
|
|
Vector<float> sarr;
|
|
sarr.resize(fCount);
|
|
|
|
float *w = sarr.ptrw();
|
|
env->GetFloatArrayRegion(arr, 0, fCount, w);
|
|
ret = sarr;
|
|
env->DeleteLocalRef(arr);
|
|
} break;
|
|
|
|
#ifndef _MSC_VER
|
|
#warning This is missing 64 bits arrays, I have no idea how to do it in JNI
|
|
#endif
|
|
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(nullptr);
|
|
ERR_FAIL_V(Variant());
|
|
} break;
|
|
}
|
|
|
|
while (to_erase.size()) {
|
|
env->DeleteLocalRef(to_erase.front()->get());
|
|
to_erase.pop_front();
|
|
}
|
|
|
|
env->PopLocalFrame(nullptr);
|
|
|
|
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<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;
|
|
}
|
|
|
|
void add_signal(const StringName &p_name, const Vector<Variant::Type> &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 = nullptr;
|
|
#endif
|
|
}
|
|
};
|
|
|
|
#endif // JNI_SINGLETON_H
|