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/*************************************************************************/
/* func_ref.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "func_ref.h"
Variant FuncRef::call_func(const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
if (id == 0) {
r_error.error = Variant::CallError::CALL_ERROR_INSTANCE_IS_NULL;
return Variant();
}
Object *obj = ObjectDB::get_instance(id);
if (!obj) {
r_error.error = Variant::CallError::CALL_ERROR_INSTANCE_IS_NULL;
return Variant();
}
return obj->call(function, p_args, p_argcount, r_error);
}
Variant FuncRef::call_funcv(const Array &p_args) {
ERR_FAIL_COND_V(id == 0, Variant());
Object *obj = ObjectDB::get_instance(id);
ERR_FAIL_COND_V(!obj, Variant());
return obj->callv(function, p_args);
}
void FuncRef::set_instance(Object *p_obj) {
ERR_FAIL_NULL(p_obj);
id = p_obj->get_instance_id();
}
void FuncRef::set_function(const StringName &p_func) {
function = p_func;
}
bool FuncRef::is_valid() const {
if (id == 0)
return false;
Object *obj = ObjectDB::get_instance(id);
if (!obj)
return false;
return obj->has_method(function);
}
void FuncRef::_bind_methods() {
{
MethodInfo mi;
mi.name = "call_func";
Vector<Variant> defargs;
ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "call_func", &FuncRef::call_func, mi, defargs);
}
ClassDB::bind_method(D_METHOD("call_funcv", "arg_array"), &FuncRef::call_funcv);
ClassDB::bind_method(D_METHOD("set_instance", "instance"), &FuncRef::set_instance);
ClassDB::bind_method(D_METHOD("set_function", "name"), &FuncRef::set_function);
ClassDB::bind_method(D_METHOD("is_valid"), &FuncRef::is_valid);
}
FuncRef::FuncRef() :
id(0) {
}
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