SwimHover

$${

// This macro will hover at any Y level under water, or on the surface. Use LSHIFT and SPACE to move up or down, and it will hover at the new level. Bind this with $$<swimhover.txt>. It functions as a toggle.

if(!swimhover);
	set(swimhover);
	#y_anchor = %YPOS%;
	do;
		if(KEY_SPACE);
			keydown(jump);
			#y_anchor = %YPOS%;
		elseif(KEY_LSHIFT);
			keyup(jump);
			#y_anchor = %YPOS%;
		elseif(#y_anchor > %YPOS%);
			keydown(jump);
		else;
			keyup(jump);
		endif;
	loop;
else;
	unset(swimhover);
	if(!KEY_SPACE);
		keyup(jump);
	endif;
	stop();
endif;

stop();
}$$