pcsx2/pcsx2/gui/Saveslots.cpp

125 lines
3.1 KiB
C++

/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2010 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 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 PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "PrecompiledHeader.h"
#include "App.h"
#include "AppSaveStates.h"
#include "Common.h"
#include "HostGui.h"
#include "GS.h"
#include "Elfheader.h"
StartupParams g_Startup;
// --------------------------------------------------------------------------------------
// Saveslot Section
// --------------------------------------------------------------------------------------
static int StatesC = 0;
static const int StateSlotsCount = 10;
bool States_isSlotUsed(int num)
{
if (ElfCRC == 0)
return false;
else
return wxFileExists( SaveStateBase::GetFilename( num ) );
}
static volatile u32 IsSavingOrLoading = false;
class SysExecEvent_ClearSavingLoadingFlag : public SysExecEvent
{
public:
wxString GetEventName() const { return L"ClearSavingLoadingFlag"; }
virtual ~SysExecEvent_ClearSavingLoadingFlag() throw() { }
SysExecEvent_ClearSavingLoadingFlag()
{
}
SysExecEvent_ClearSavingLoadingFlag* Clone() const { return new SysExecEvent_ClearSavingLoadingFlag(); }
protected:
void InvokeEvent()
{
AtomicExchange(IsSavingOrLoading, false);
}
};
void States_FreezeCurrentSlot()
{
if( AtomicExchange(IsSavingOrLoading, true) )
{
Console.WriteLn( "Load or save action is already pending." );
return;
}
GSchangeSaveState( StatesC, SaveStateBase::GetFilename( StatesC ).ToUTF8() );
StateCopy_SaveToSlot( StatesC );
GetSysExecutorThread().PostIdleEvent( SysExecEvent_ClearSavingLoadingFlag() );
}
void States_DefrostCurrentSlot()
{
if( AtomicExchange(IsSavingOrLoading, true) )
{
Console.WriteLn( "Load or save action is already pending." );
return;
}
GSchangeSaveState( StatesC, SaveStateBase::GetFilename( StatesC ).ToUTF8() );
StateCopy_LoadFromSlot( StatesC );
GetSysExecutorThread().PostIdleEvent( SysExecEvent_ClearSavingLoadingFlag() );
//SysStatus( wxsFormat( _("Loaded State (slot %d)"), StatesC ) );
}
static void OnSlotChanged()
{
Console.Warning( " > Selected savestate slot %d", StatesC);
if( GSchangeSaveState != NULL )
GSchangeSaveState(StatesC, SaveStateBase::GetFilename(StatesC).mb_str());
}
int States_GetCurrentSlot()
{
return StatesC;
}
void States_SetCurrentSlot( int slot )
{
StatesC = std::min( std::max( slot, 0 ), StateSlotsCount );
OnSlotChanged();
}
void States_CycleSlotForward()
{
StatesC = (StatesC+1) % StateSlotsCount;
OnSlotChanged();
}
void States_CycleSlotBackward()
{
StatesC = (StatesC+StateSlotsCount-1) % StateSlotsCount;
OnSlotChanged();
}