#pragma semicolon 1
#include <sourcemod>

#define HITGROUP_HEAD 0

#define ZC_SMOKER       1
#define ZC_HUNTER       3


public OnPluginStart()
{
    HookEvent("player_hurt", Event_PlayerHurt);
}

public Action:Event_PlayerHurt(Handle:event, const String:name[], bool:dontBrodcast)
{
    new client = GetClientOfUserId(GetEventInt(event, "userid"));
    new attacker = GetClientOfUserId(GetEventInt(event, "attacker"));
    new iClass = GetEntProp(client, Prop_Send, "m_zombieClass");
    new dmg = GetClientOfUserId(GetEventInt(event, "dmg_health"));
    if (attacker && attacker != client)
    {
        new hitgroup = GetEventInt(event, "hitgroup");

        if (hitgroup == HITGROUP_HEAD && iClass == ZC_SMOKER & ZC_HUNTER)
        {
            dmg *= 0.1;
        }
    }
    return Plugin_Changed;
}