Cube  Diff

				minx = x;
			if (y < miny)
				miny = y;
		}
	}
	block b = { minx, miny, maxx - minx + 1, maxy - miny + 1 };
	if (maxx)
		remip(&b, 0); // remip minimal area of changed geometry
}

void
resettagareas()
{
	settag(0, 0);
} // reset for editing or map saving

{
	if (!tag)
		return;

	settag(tag, type);

	if (!savegame && type != 3)
		playsound(S_RUMBLE, NULL);

	OFString *aliasname =
	    [OFString stringWithFormat:@"level_trigger_%d", tag];

	if (identexists(aliasname))
		execute(aliasname, true);

	if (type == 2)
		endsp(false);
}
COMMAND(trigger, ARG_2INT)

// main geometric mipmapping routine, recursively rebuild mipmaps within block

// world by 1
void
empty_world(int factor, bool force)
{
	if (!force && noteditmode())
		return;
	cleardlights();
	pruneundos(0);
	sqr *oldworld = world;
	bool copy = false;
	if (oldworld && factor < 0) {
		factor = sfactor + 1;
		copy = true;
	}
	if (factor < SMALLEST_FACTOR)

	}

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

void
mapenlarge()
{
	empty_world(-1, false);