mirror of
https://github.com/godotengine/godot.git
synced 2024-12-09 10:09:20 +08:00
98 lines
3.6 KiB
C++
98 lines
3.6 KiB
C++
/*************************************************************************/
|
|
/* ref_ptr.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
/* */
|
|
/* 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 "ref_ptr.h"
|
|
#include "reference.h"
|
|
#include "resource.h"
|
|
|
|
void RefPtr::operator=(const RefPtr& p_other) {
|
|
|
|
Ref<Reference> *ref = reinterpret_cast<Ref<Reference>*>( &data[0] );
|
|
Ref<Reference> *ref_other = reinterpret_cast<Ref<Reference>*>( const_cast<char*>(&p_other.data[0]) );
|
|
|
|
*ref = *ref_other;
|
|
}
|
|
|
|
bool RefPtr::operator==(const RefPtr& p_other) const {
|
|
|
|
Ref<Reference> *ref = reinterpret_cast<Ref<Reference>*>( &data[0] );
|
|
Ref<Reference> *ref_other = reinterpret_cast<Ref<Reference>*>( const_cast<char*>(&p_other.data[0]) );
|
|
|
|
return *ref == *ref_other;
|
|
}
|
|
|
|
RefPtr::RefPtr(const RefPtr& p_other) {
|
|
|
|
memnew_placement(&data[0],Ref<Reference>);
|
|
|
|
Ref<Reference> *ref = reinterpret_cast<Ref<Reference>*>( &data[0] );
|
|
Ref<Reference> *ref_other = reinterpret_cast<Ref<Reference>*>( const_cast<char*>(&p_other.data[0]) );
|
|
|
|
*ref = *ref_other;
|
|
}
|
|
|
|
bool RefPtr::is_null() const {
|
|
|
|
Ref<Reference> *ref = reinterpret_cast<Ref<Reference>*>( &data[0] );
|
|
return ref->is_null();
|
|
|
|
|
|
}
|
|
|
|
RID RefPtr::get_rid() const {
|
|
|
|
Ref<Reference> *ref = reinterpret_cast<Ref<Reference>*>( &data[0] );
|
|
if (ref->is_null())
|
|
return RID();
|
|
Resource *res = (*ref)->cast_to<Resource>();
|
|
if (res)
|
|
return res->get_rid();
|
|
return RID();
|
|
}
|
|
|
|
void RefPtr::unref() {
|
|
|
|
Ref<Reference> *ref = reinterpret_cast<Ref<Reference>*>( &data[0] );
|
|
ref->unref();
|
|
}
|
|
|
|
RefPtr::RefPtr() {
|
|
|
|
ERR_FAIL_COND(sizeof(Ref<Reference>)>DATASIZE);
|
|
memnew_placement(&data[0],Ref<Reference>);
|
|
}
|
|
|
|
|
|
RefPtr::~RefPtr() {
|
|
|
|
Ref<Reference> *ref = reinterpret_cast<Ref<Reference>*>( &data[0] );
|
|
ref->~Ref<Reference>();
|
|
}
|
|
|
|
|