[rhds]

What do you mean by jumping more than normal?

Anyways, you can use these

pawn Код:

new Float:x, Float:y, Float:z;
 
    // Use GetPlayerPos, passing the 3 float variables we just created
    GetPlayerPos(playerid, x, y, z);

and https://sampwiki.blast.hk/wiki/GetPlayerKeys (KEY_JUMP)