Get More Hp On Kill [IdoGame]

#include <amxmodx>
#include <hamsandwich>
#include <fun>
new MinNumber
new MaxNumber
new sFade;
public plugin_init() {
	register_plugin("More Hp For Kill","766", "xFlane")
	sFade= get_user_msgid("ScreenFade");
	MinNumber = register_cvar( "amx_minhp", "1" );
	MaxNumber = register_cvar( "amx_maxhp", "15" );
	RegisterHam(Ham_Killed,"player","evPlayerKilled");
}
public evPlayerKilled(victim, attacker, shouldgib)
{
	if(!is_user_alive(attacker))
	return 1;

	new Min,Max
	Min = get_pcvar_num(MinNumber)
	Max = get_pcvar_num(MaxNumber)
	new ran = random_num(Min,Max)
	set_hudmessage(42, 42, 255, 0.28, 0.63, 0, 6.0, 12.0)
	show_hudmessage(attacker, "Getting %i Hp",ran)
	message_begin(attacker, sFade, {0, 0, 0}, attacker);
	write_short(floatround(4096.0 * 3.0, floatround_round));
	write_short(floatround(4096.0 * 3.0, floatround_round));
	write_short(4096);
	write_byte(255);
	write_byte(0);
	write_byte(0);
	write_byte(50);
	message_end();
	set_user_health(attacker,get_user_health(attacker) + (ran))
	return 0;
}