mirror of
https://github.com/godotengine/godot
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100 lines
3.7 KiB
C++
100 lines
3.7 KiB
C++
/*************************************************************************/
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/* func_ref.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) 2007-2019 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2019 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 "func_ref.h"
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Variant FuncRef::call_func(const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
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if (id == 0) {
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r_error.error = Variant::CallError::CALL_ERROR_INSTANCE_IS_NULL;
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return Variant();
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}
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Object *obj = ObjectDB::get_instance(id);
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if (!obj) {
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r_error.error = Variant::CallError::CALL_ERROR_INSTANCE_IS_NULL;
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return Variant();
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}
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return obj->call(function, p_args, p_argcount, r_error);
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}
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Variant FuncRef::call_funcv(const Array &p_args) {
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ERR_FAIL_COND_V(id == 0, Variant());
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Object *obj = ObjectDB::get_instance(id);
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ERR_FAIL_COND_V(!obj, Variant());
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return obj->callv(function, p_args);
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}
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void FuncRef::set_instance(Object *p_obj) {
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ERR_FAIL_NULL(p_obj);
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id = p_obj->get_instance_id();
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}
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void FuncRef::set_function(const StringName &p_func) {
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function = p_func;
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}
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bool FuncRef::is_valid() const {
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if (id == 0)
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return false;
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Object *obj = ObjectDB::get_instance(id);
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if (!obj)
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return false;
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return obj->has_method(function);
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}
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void FuncRef::_bind_methods() {
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{
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MethodInfo mi;
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mi.name = "call_func";
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Vector<Variant> defargs;
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ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "call_func", &FuncRef::call_func, mi, defargs);
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}
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ClassDB::bind_method(D_METHOD("call_funcv", "arg_array"), &FuncRef::call_funcv);
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ClassDB::bind_method(D_METHOD("set_instance", "instance"), &FuncRef::set_instance);
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ClassDB::bind_method(D_METHOD("set_function", "name"), &FuncRef::set_function);
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ClassDB::bind_method(D_METHOD("is_valid"), &FuncRef::is_valid);
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}
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FuncRef::FuncRef() :
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id(0) {
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}
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