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

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belugas

(svn r13226) -Feature: Allow to have more than only two airports per town. The number of airports is now controlled by the noise each of them generates, the distance from town's center and how tolerant the town is.
Initial concept : TTDPatch (moreairpots), Initial code : Pasky
Thanks to BigBB (help coding), Smatz Skidd13 and frosch for bugcatches and advices

/* $Id$ */

/** @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;
	uint 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}
};