cpp/openttd-patchpack/source Files · src/cheat.cpp

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Location: cpp/openttd-patchpack/source/src/cheat.cpp

r9583:b6e25a00b908 1.2 KiB text/x-c Show Annotation Show as Raw Download as Raw

rubidium

(svn r13621) -Fix: building roadbits in the wrong direction on bridges or building roadbits from underneath the bridge to the bridgehead is impossible, so don't silently ignore that error when building over houses and industries is not ignored.

/* $Id$ */

/** @file cheat.cpp Handling (loading/saving/initializing) of cheats. */

#include "stdafx.h"
#include "saveload.h"
#include "cheat_type.h"

Cheats _cheats;

void InitializeCheats()
{
	memset(&_cheats, 0, sizeof(Cheats));
}

static void Save_CHTS()
{
	/* Cannot use lengthof because _cheats is of type Cheats, not Cheat */
	byte count = sizeof(_cheats) / sizeof(Cheat);
	Cheat *cht = (Cheat*) &_cheats;
	Cheat *cht_last = &cht[count];

	SlSetLength(count * 2);
	for (; cht != cht_last; cht++) {
		SlWriteByte(cht->been_used);
		SlWriteByte(cht->value);
	}
}

static void Load_CHTS()
{
	Cheat *cht = (Cheat*)&_cheats;
	size_t count = SlGetFieldLength() / 2;

	for (uint i = 0; i < count; i++) {
		cht[i].been_used = (SlReadByte() != 0);
		cht[i].value     = (SlReadByte() != 0);
	}
}

bool CheatHasBeenUsed()
{
	/* Cannot use lengthof because _cheats is of type Cheats, not Cheat */
	const Cheat* cht = (Cheat*)&_cheats;
	const Cheat* cht_last = &cht[sizeof(_cheats) / sizeof(Cheat)];

	for (; cht != cht_last; cht++) {
		if (cht->been_used) return true;
	}

	return false;
}


extern const ChunkHandler _cheat_chunk_handlers[] = {
	{ 'CHTS', Save_CHTS,     Load_CHTS,     CH_RIFF | CH_LAST}
};