Cube  Diff

void
setupworld(int factor)
{
	ssize = 1 << (sfactor = factor);
	cubicsize = ssize * ssize;
	mipsize = cubicsize * 134 / 100;
	sqr *w = world = (sqr *)alloc(mipsize * sizeof(sqr));
	sqr *w = world = (sqr *)OFAllocZeroedMemory(mipsize, sizeof(sqr));
	loopi(LARGEST_FACTOR * 2)
	{
		wmip[i] = w;
		w += cubicsize >> (i * 2);
	}
}

// main empty world creation routine, if passed factor -1 will enlarge old
// world by 1
void
empty_world(
empty_world(int factor, bool force)
    int factor, bool force) // main empty world creation routine, if passed
                            // factor -1 will enlarge old world by 1
{
	if (!force && noteditmode())
		return;
	cleardlights();
	pruneundos();
	sqr *oldworld = world;
	bool copy = false;

		block b = { 8, 8, ssize - 16, ssize - 16 };
		edittypexy(SPACE, b);
	}

	calclight();
	startmap(@"base/unnamed");
	if (oldworld) {
		free(oldworld);
		OFFreeMemory(oldworld);
		toggleedit();
		execute(@"fullbright 1");
	}
}

void
mapenlarge()