native cod_set_user_gravity(id, Float:value, type = ROUND);
Bonus value, from -1.0 to 1.0
Bonus type, valid types are:
CLASS - for class
ITEM - for item
ADDITIONAL - static bonus
ROUND - until round end
DEATH - until death
DAMAGE_GIVEN - until player damage enemy
DAMAGE_TAKEN - until player is hurt
Sets player gravity bonus.
Lower gravity has priority, but still will be reduced by bonuses with value lower than 0.
This function has no return value.