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added smart pointers adjusted for sdl2

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alyokhin 2022-03-07 15:56:43 +03:00
parent 38ffc828a6
commit f868f32f71
2 changed files with 64 additions and 0 deletions
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1
CMakeLists.txt
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@ -582,6 +582,7 @@ set(stratagus_generic_HDRS
src/include/results.h
src/include/script.h
src/include/script_sound.h
src/include/sdl2_helper.h
src/include/settings.h
src/include/sound.h
src/include/sound_server.h

63
src/include/sdl2_helper.h Normal file
View file

@ -0,0 +1,63 @@
// _________ __ __
// / _____// |_____________ _/ |______ ____ __ __ ______
// \_____ \\ __\_ __ \__ \\ __\__ \ / ___\| | \/ ___/
// / \| | | | \// __ \| | / __ \_/ /_/ > | /\___ |
// /_______ /|__| |__| (____ /__| (____ /\___ /|____//____ >
// \/ \/ \//_____/ \/
// ______________________ ______________________
// T H E W A R B E G I N S
// Stratagus - A free fantasy real time strategy game engine
//
/**@name sdl2_helper.h - SDL2 helpers headerfile. */
//
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; only version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
#pragma once
#include <memory>
#include "SDL.h"
//@{
namespace sdl2 {
struct SDL_Deleter
{
void operator()(SDL_Surface* ptr) { if (ptr) SDL_FreeSurface(ptr); }
void operator()(SDL_Texture* ptr) { if (ptr) SDL_DestroyTexture(ptr); }
void operator()(SDL_Renderer* ptr) { if (ptr) SDL_DestroyRenderer(ptr); }
void operator()(SDL_Window* ptr) { if (ptr) SDL_DestroyWindow(ptr); }
};
template<typename T>
struct _shared_ptr : public std::shared_ptr<T>
{
explicit _shared_ptr(T* t = nullptr) : std::shared_ptr<T>(t, SDL_Deleter()) {}
void reset(T* t = nullptr) { std::shared_ptr<T>::reset(t, SDL_Deleter()); }
};
using SurfacePtr = std::unique_ptr<SDL_Surface, SDL_Deleter>;
using TexturePtr = std::unique_ptr<SDL_Texture, SDL_Deleter>;
using RendererPtr = std::unique_ptr<SDL_Renderer, SDL_Deleter>;
using WindowPtr = std::unique_ptr<SDL_Window, SDL_Deleter>;
using SurfaceShPtr = _shared_ptr<SDL_Surface>;
using TextureShPtr = _shared_ptr<SDL_Texture>;
using RendererShPtr = _shared_ptr<SDL_Renderer>;
using WindowShPtr = _shared_ptr<SDL_Window>;
}
//@}