mirror of
https://github.com/dborth/snes9xgx.git
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98 lines
2.0 KiB
C++
98 lines
2.0 KiB
C++
/****************************************************************************
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* Snes9x Nintendo Wii/Gamecube Port
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*
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* Tantric 2008-2010
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*
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* cheatmgr.cpp
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*
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* Cheat handling
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***************************************************************************/
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#include "snes9x/port.h"
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#include "snes9x/cheats.h"
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#include "snes9xgx.h"
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#include "fileop.h"
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#include "filebrowser.h"
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#define MAX_CHEATS 100
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extern SCheatData Cheat;
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/****************************************************************************
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* LoadCheatFile
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*
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* Loads cheat file from save buffer
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* Custom version of S9xLoadCheatFile()
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***************************************************************************/
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static bool LoadCheatFile (int length)
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{
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uint8 data [28];
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int offset = 0;
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while (offset < length) {
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if(Cheat.g.size() >= MAX_CHEATS || (length - offset) < 28)
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break;
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memcpy (data, savebuffer+offset, 28);
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offset += 28;
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SCheat c;
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char name[21];
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char cheat[10];
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c.byte = data[1];
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c.address = data[2] | (data[3] << 8) | (data[4] << 16);
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memcpy (name, &data[8], 20);
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name[20] = 0;
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snprintf (cheat, 10, "%x=%x", c.address, c.byte);
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S9xAddCheatGroup (name, cheat);
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}
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return true;
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}
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void ToggleCheat(uint32 num) {
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if(Cheat.g[num].enabled) {
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S9xDisableCheatGroup(num);
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}
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else {
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S9xEnableCheatGroup(num);
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}
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for(int i=0; i < Cheat.g.size(); i++) {
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if(Cheat.g[i].enabled) {
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Cheat.enabled = TRUE;
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return;
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}
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}
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Cheat.enabled = FALSE;
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}
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/****************************************************************************
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* SetupCheats
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*
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* Erases any prexisting cheats, loads cheats from a cheat file
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* Called when a ROM is first loaded
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***************************************************************************/
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void
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WiiSetupCheats()
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{
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char filepath[1024];
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int offset = 0;
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if(!MakeFilePath(filepath, FILE_CHEAT))
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return;
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AllocSaveBuffer();
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offset = LoadFile(filepath, SILENT);
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// load cheat file if present
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if(offset > 0)
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LoadCheatFile (offset);
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FreeSaveBuffer ();
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}
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