Blue fabe не работает

#include <amxmodx>
#include <hamsandwich>

#define PLUGIN	"Blue Screen"
#define VERSION	"1.1"
#define AUTHOR	"Stimul"

#define is_valid_player(%1)	(1 <= %1 <= g_iMaxPlayers)

#define RED	0
#define GREEN	0
#define BLUE	200
#define ALFA	75

new g_iMsgScreenFade;
new g_iMaxPlayers;

public plugin_init()
{
	register_plugin(PLUGIN, VERSION, AUTHOR);
	
	RegisterHam(Ham_Killed, "player", "fw_PlayerKilled_Post", true);
	
	g_iMsgScreenFade = get_user_msgid("ScreenFade");
	
	g_iMaxPlayers = get_maxplayers();
}

public fw_PlayerKilled_Post(victim, attacker, corpse)
{
	if(is_valid_player(attacker) && victim != attacker)
	{
		message_begin(MSG_ONE_UNRELIABLE, g_iMsgScreenFade, _, attacker);
		write_short(1<<10);
		write_short(1<<10);
		write_short(0x0000);
		write_byte(RED);
		write_byte(GREEN);
		write_byte(BLUE);
		write_byte(ALFA);
		message_end();
	}
}