Нужно поправить плагин

#include <amxmodx>
#include <amxmisc>
#include <fun>
#include <csx>
#include <engine>
#include <fakemeta>

new Title[32] = "Stealth Assassin"
new Version[32] = "1.3.0"
new Author[16] = "TaRgEt*TuRkEy"
new knifekill = 0
new stealthmode = 0
new roundfreeze = 1

public client_damage(attacker, victim, damage, wpnindex, hitplace, TA)
{    
    if(get_cvar_num("amx_stealthonehitkill")==1)
    {
        if(is_user_alive(victim))
        {
            if(attacker != victim) //prevents killing self with knife from fall damage.
            {
                if(wpnindex == CSW_KNIFE && TA != 1)
                {
                    knifekill = 1
                    if(hitplace == HIT_HEAD)
                    {
                        make_deathmsg(attacker, victim, 1, "knife")
                    }
                    else
                    {
                        make_deathmsg(attacker, victim, 0, "knife")
                    }
                    user_silentkill(victim)
                    set_user_frags(attacker, get_user_frags(attacker)+1)
                }
            }
        }
    }
            
    return PLUGIN_HANDLED
}

public blocksuicide(at_type, message[])
{
    if(containi(message,"suicide") > -1 && containi(message,"world") > -1 && knifekill == 1)
    {
        knifekill = 0
        return FMRES_SUPERCEDE
    }
    return PLUGIN_CONTINUE
}  

public SetVisibility(id)
{
    new wepi = read_data(2)
    
    BackToNorm(id)

    if(stealthmode==1)
    {
        client_cmd(id,"weapon_knife")
    }

    if(wepi == 29)
    {
        if(is_user_alive(id))
        AlterAlpha(id,get_cvar_num("amx_stealthvalue"))
    } else {
        BackToNorm(id)
    }
    return PLUGIN_HANDLED
}

public BackToNorm(id)
{
    set_user_footsteps(id,0)
    set_user_rendering(id,kRenderFxGlowShell,0,0,0,kRenderTransAlpha,255)
    set_hudmessage(200, 100, 0, -2.0, 0.20, 0, 6.0, 6.0, 0.5, 0.15, 4)
    show_hudmessage(id,"")
    set_view(id, CAMERA_NONE)
}

public AlterAlpha(id,alphaVal)
{
    new Float:maxSpeed = get_cvar_float("amx_stealthspeed")
    if(roundfreeze == 0)
    {     
        set_user_maxspeed(id,maxSpeed)
    }
    set_user_rendering(id,kRenderFxGlowShell,0,0,0,kRenderTransAlpha,alphaVal)
    // set_hudmessage(200, 100, 0, -2.0, 0.20, 0, 6.0, 99999.0, 0.5, 0.15, 4)
    // show_hudmessage(id,"You are stealthing!")
    set_user_footsteps(id,1)
    if(get_cvar_num("amx_stealth3rdperson")==1)
    {
        set_view(id, CAMERA_3RDPERSON)
    }
}

public stealthmatch(id)
{
       new arg[2]
       read_argv(1,arg,1)
       set_hudmessage(100, 125, 250, -1.0, 0.25, 0, 1.0, 5.0, 0.1, 0.2, 2)
       if(equal(arg,"1"))
    {
           client_cmd(id,"weapon_knife")
        stealthmode = 1
           show_hudmessage(0,"Stealth Mode Engaged.")
        set_lights("e")
       } else if(equal(arg,"0")){
        stealthmode = 0
           show_hudmessage(0,"Stealth Mode Off.")
        set_lights("m")
       } else {
           console_print(id,"Usage: amx_stealthmatch 1 = 0n 0 = off")
       }
    return PLUGIN_CONTINUE
   }

public round_end()
{
    roundfreeze = 1
}

public round_start()
{
    roundfreeze = 0
}

public plugin_init()
{
    register_plugin(Title,Version,Author)
    register_event("CurWeapon","SetVisibility","b","1=1")
    register_forward(FM_AlertMessage,"blocksuicide")
    register_concmd("amx_stealthmatch","stealthmatch",ADMIN_LEVEL_A,"- disable and enable stealth match 1 = on 0 = off")
    register_logevent("round_start", 2, "1=Round_Start")
    register_logevent("round_end", 2, "1=Round_End")
    register_cvar("amx_stealthvalue","120")
        register_cvar("amx_stealthspeed","345")
    register_cvar("amx_stealthonehitkill","1")
    register_cvar("amx_stealth3rdperson","1")
    return PLUGIN_HANDLED
}

public plugin_precache()
{    
    //Fixes set_view bug that needs this model on map change
    precache_model("models/rpgrocket.mdl")
       return PLUGIN_CONTINUE
}