tron@2186: /* $Id$ */
tron@2186: 
rubidium@9111: /** @file cheat.cpp Handling (loading/saving/initializing) of cheats. */
belugas@6201: 
truelight@0: #include "stdafx.h"
truelight@0: #include "saveload.h"
rubidium@8965: #include "cheat_type.h"
truelight@0: 
rubidium@8965: Cheats _cheats;
truelight@0: 
rubidium@8965: void InitializeCheats()
truelight@0: {
truelight@201: 	memset(&_cheats, 0, sizeof(Cheats));
truelight@0: }
truelight@0: 
rubidium@6247: static void Save_CHTS()
truelight@0: {
rubidium@8965: 	/* Cannot use lengthof because _cheats is of type Cheats, not Cheat */
rubidium@8965: 	byte count = sizeof(_cheats) / sizeof(Cheat);
rubidium@8965: 	Cheat *cht = (Cheat*) &_cheats;
rubidium@8965: 	Cheat *cht_last = &cht[count];
truelight@0: 
tron@2951: 	SlSetLength(count * 2);
tron@2951: 	for (; cht != cht_last; cht++) {
truelight@0: 		SlWriteByte(cht->been_used);
truelight@0: 		SlWriteByte(cht->value);
truelight@0: 	}
truelight@0: }
truelight@0: 
rubidium@6247: static void Load_CHTS()
truelight@0: {
rubidium@8965: 	Cheat *cht = (Cheat*)&_cheats;
rubidium@9390: 	size_t count = SlGetFieldLength() / 2;
truelight@0: 
smatz@8819: 	for (uint i = 0; i < count; i++) {
rubidium@5587: 		cht[i].been_used = (SlReadByte() != 0);
rubidium@5587: 		cht[i].value     = (SlReadByte() != 0);
truelight@0: 	}
truelight@0: }
truelight@0: 
rubidium@8965: bool CheatHasBeenUsed()
rubidium@8965: {
rubidium@8965: 	/* Cannot use lengthof because _cheats is of type Cheats, not Cheat */
rubidium@8965: 	const Cheat* cht = (Cheat*)&_cheats;
rubidium@8965: 	const Cheat* cht_last = &cht[sizeof(_cheats) / sizeof(Cheat)];
truelight@0: 
rubidium@8965: 	for (; cht != cht_last; cht++) {
rubidium@8965: 		if (cht->been_used) return true;
rubidium@8965: 	}
truelight@0: 
rubidium@8965: 	return false;
rubidium@8965: }
rubidium@8965: 
rubidium@8965: 
rubidium@8965: extern const ChunkHandler _cheat_chunk_handlers[] = {
rubidium@4344: 	{ 'CHTS', Save_CHTS,     Load_CHTS,     CH_RIFF | CH_LAST}
truelight@0: };