snes9xgx/source/cheatmgr.cpp
Etienne Haarsma 70c7e883d7 Code cleanup and fix include references
- Fixed all broken include references
- Cleanup memmap.cpp code by removing UNZIP and JMA SUPPORT code which are not used
- Cleanup reader.cpp code by removing the UNZIP SUPPORT reference to unzip.h
2018-08-18 12:04:35 +02:00

81 lines
1.9 KiB
C++

/****************************************************************************
* Snes9x Nintendo Wii/Gamecube Port
*
* Tantric 2008-2010
*
* cheatmgr.cpp
*
* Cheat handling
***************************************************************************/
#include "snes9x/port.h"
#include "snes9x/cheats.h"
#include "snes9xgx.h"
#include "fileop.h"
#include "filebrowser.h"
extern SCheatData Cheat;
/****************************************************************************
* LoadCheatFile
*
* Loads cheat file from save buffer
* Custom version of S9xLoadCheatFile()
***************************************************************************/
static bool LoadCheatFile (int length)
{
uint8 data [28];
int offset = 0;
while (offset < length)
{
if(Cheat.num_cheats >= MAX_CHEATS || (length - offset) < 28)
break;
memcpy (data, savebuffer+offset, 28);
offset += 28;
Cheat.c [Cheat.num_cheats].enabled = 0; // cheats always off
Cheat.c [Cheat.num_cheats].byte = data [1];
Cheat.c [Cheat.num_cheats].address = data [2] | (data [3] << 8) | (data [4] << 16);
Cheat.c [Cheat.num_cheats].saved_byte = data [5];
Cheat.c [Cheat.num_cheats].saved = (data [0] & 8) != 0;
memcpy (Cheat.c [Cheat.num_cheats].name, &data[8], 20);
Cheat.c [Cheat.num_cheats].name[20] = 0;
Cheat.num_cheats++;
}
return true;
}
/****************************************************************************
* SetupCheats
*
* Erases any prexisting cheats, loads cheats from a cheat file
* Called when a ROM is first loaded
***************************************************************************/
void
WiiSetupCheats()
{
memset(Cheat.c, 0, sizeof(Cheat.c));
Cheat.num_cheats = 0;
char filepath[1024];
int offset = 0;
if(!MakeFilePath(filepath, FILE_CHEAT))
return;
AllocSaveBuffer();
offset = LoadFile(filepath, SILENT);
// load cheat file if present
if(offset > 0)
LoadCheatFile (offset);
FreeSaveBuffer ();
}