mirror of
https://github.com/godotengine/godot.git
synced 2024-11-21 03:18:37 +08:00
62 lines
2.9 KiB
C++
62 lines
2.9 KiB
C++
/*************************************************************************/
|
|
/* ref_ptr.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2019 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 REF_PTR_H
|
|
#define REF_PTR_H
|
|
/**
|
|
@author Juan Linietsky <reduzio@gmail.com>
|
|
* This class exists to workaround a limitation in C++ but keep the design OK.
|
|
* It's basically an opaque container of a Reference reference, so Variant can use it.
|
|
*/
|
|
|
|
#include "core/rid.h"
|
|
|
|
class RefPtr {
|
|
|
|
enum {
|
|
|
|
DATASIZE = sizeof(void *) //*4 -ref was shrunk
|
|
};
|
|
|
|
mutable char data[DATASIZE]; // too much probably, virtual class + pointer
|
|
public:
|
|
bool is_null() const;
|
|
void operator=(const RefPtr &p_other);
|
|
bool operator==(const RefPtr &p_other) const;
|
|
RID get_rid() const;
|
|
void unref();
|
|
_FORCE_INLINE_ void *get_data() const { return data; }
|
|
RefPtr(const RefPtr &p_other);
|
|
RefPtr();
|
|
~RefPtr();
|
|
};
|
|
|
|
#endif // REF_PTR_H
|