dfhack/library/include/dfhack/Core.h

68 lines
2.1 KiB
C++

/*
https://github.com/peterix/dfhack
Copyright (c) 2009-2011 Petr Mrázek (peterix@gmail.com)
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
damages arising from the use of this software.
Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must
not claim that you wrote the original software. If you use this
software in a product, an acknowledgment in the product documentation
would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
*/
#pragma once
#include "dfhack/Pragma.h"
#include "dfhack/Export.h"
#include "dfhack/FakeSDL.h"
namespace DFHack
{
class VersionInfoFactory;
class Process;
class Context;
// Core is a singleton. Why? Because it is closely tied to SDL calls. It tracks the global state of DF.
// There should never be more than one instance
// Better than tracking some weird variables all over the place.
class DFHACK_EXPORT Core
{
friend int ::SDL_NumJoysticks(void);
friend void ::SDL_Quit(void);
public:
static Core& getInstance()
{
// FIXME: add critical section for thread safety here.
static Core instance;
return instance;
}
void Suspend(void);
void Resume(void);
DFHack::Context *getContext()
{
return c;
}
private:
Core();
int Update (void);
int Shutdown (void);
Core(Core const&); // Don't Implement
void operator=(Core const&); // Don't implement
bool errorstate;
DFMutex * AccessMutex;
// legacy mess.
DFHack::VersionInfoFactory * vif;
DFHack::Process * p;
DFHack::Context * c;
};
}