mirror of
https://github.com/godotengine/godot
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95 lines
3.7 KiB
C++
95 lines
3.7 KiB
C++
/*************************************************************************/
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/* ref_ptr.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 "ref_ptr.h"
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#include "core/reference.h"
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#include "core/resource.h"
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void RefPtr::operator=(const RefPtr &p_other) {
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Ref<Reference> *ref = reinterpret_cast<Ref<Reference> *>(&data[0]);
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Ref<Reference> *ref_other = reinterpret_cast<Ref<Reference> *>(const_cast<char *>(&p_other.data[0]));
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*ref = *ref_other;
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}
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bool RefPtr::operator==(const RefPtr &p_other) const {
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Ref<Reference> *ref = reinterpret_cast<Ref<Reference> *>(&data[0]);
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Ref<Reference> *ref_other = reinterpret_cast<Ref<Reference> *>(const_cast<char *>(&p_other.data[0]));
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return *ref == *ref_other;
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}
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RefPtr::RefPtr(const RefPtr &p_other) {
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memnew_placement(&data[0], Ref<Reference>);
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Ref<Reference> *ref = reinterpret_cast<Ref<Reference> *>(&data[0]);
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Ref<Reference> *ref_other = reinterpret_cast<Ref<Reference> *>(const_cast<char *>(&p_other.data[0]));
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*ref = *ref_other;
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}
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bool RefPtr::is_null() const {
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Ref<Reference> *ref = reinterpret_cast<Ref<Reference> *>(&data[0]);
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return ref->is_null();
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}
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RID RefPtr::get_rid() const {
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Ref<Reference> *ref = reinterpret_cast<Ref<Reference> *>(&data[0]);
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if (ref->is_null())
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return RID();
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Resource *res = Object::cast_to<Resource>(ref->ptr());
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if (res)
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return res->get_rid();
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return RID();
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}
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void RefPtr::unref() {
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Ref<Reference> *ref = reinterpret_cast<Ref<Reference> *>(&data[0]);
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ref->unref();
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}
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RefPtr::RefPtr() {
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ERR_FAIL_COND(sizeof(Ref<Reference>) > DATASIZE);
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memnew_placement(&data[0], Ref<Reference>);
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}
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RefPtr::~RefPtr() {
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Ref<Reference> *ref = reinterpret_cast<Ref<Reference> *>(&data[0]);
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ref->~Ref<Reference>();
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}
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