[R@ger]

Код:

if (PRESSED(KEY_JUMP))
	{
		new
			Float:x,
			Float:y,
			Float:z;
		GetPlayerPos(playerid, x, y, z);
		SetPlayerPos(playerid, x*5, y*5, z*5);
	}
	return 1;

#define PRESSED(%0) \
(((newkeys & (%0)) == (%0)) && ((oldkeys & (%0)) != (%0)))

source samp wiki