mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-11-24 11:39:21 +01:00
87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
/****************************************************************************
|
|
* Snes9x 1.51 Nintendo Wii/Gamecube Port
|
|
*
|
|
* Tantric 2008-2009
|
|
*
|
|
* cheatmgr.cpp
|
|
*
|
|
* Cheat handling
|
|
***************************************************************************/
|
|
|
|
#include "port.h"
|
|
#include "cheats.h"
|
|
|
|
#include "snes9xGX.h"
|
|
#include "fileop.h"
|
|
#include "filebrowser.h"
|
|
|
|
extern SCheatData Cheat;
|
|
|
|
/****************************************************************************
|
|
* NGCLoadCheatFile
|
|
*
|
|
* Loads cheat file from save buffer
|
|
* Custom version of S9xLoadCheatFile()
|
|
***************************************************************************/
|
|
|
|
static bool NGCLoadCheatFile (int length)
|
|
{
|
|
Cheat.num_cheats = 0;
|
|
|
|
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 = (data [0] & 4) == 0;
|
|
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()
|
|
{
|
|
char filepath[1024];
|
|
int offset = 0;
|
|
uint16 i;
|
|
|
|
if(!MakeFilePath(filepath, FILE_CHEAT))
|
|
return;
|
|
|
|
AllocSaveBuffer();
|
|
|
|
offset = LoadFile(filepath, SILENT);
|
|
|
|
// load cheat file if present
|
|
if(offset > 0)
|
|
{
|
|
if(NGCLoadCheatFile (offset))
|
|
{
|
|
// disable all cheats loaded from the file
|
|
for (i = 0; i < Cheat.num_cheats; i++)
|
|
S9xDisableCheat(i);
|
|
}
|
|
}
|
|
|
|
FreeSaveBuffer ();
|
|
}
|