Santa Hat Only for Human 1.3 by underwoker

#include <amxmodx>
#include <fakemeta>
#include <hamsandwich>
#include <zombieplague>

new const hats[][] = {
    "models/santahat_red.mdl",            
    "models/santahat_blue.mdl"
}

new g_bwEnt[33];
new g_CachedStringInfoTarget;

public plugin_init()
{
    register_plugin( "Santa Hat Only for human", "1.2", "xPaw" );

    RegisterHam(Ham_Spawn, "player", "fwHamPlayerSpawnPost", 1);
    g_CachedStringInfoTarget = engfunc(EngFunc_AllocString, "info_target");
}

public plugin_precache()
{
    for (new i = 0; i < sizeof hats; i++)        
        precache_model(hats[i])
}

public fwHamPlayerSpawnPost(player)
{      
    if (is_user_alive(player))
    {
        new iEnt = g_bwEnt[player];
        if( !pev_valid(iEnt) )
        {
            g_bwEnt[player] = iEnt = engfunc (EngFunc_CreateNamedEntity, g_CachedStringInfoTarget);
            set_pev(iEnt, pev_movetype, MOVETYPE_FOLLOW);
            set_pev(iEnt, pev_aiment, player);
            engfunc(EngFunc_SetModel, iEnt, hats[random_num(0,1)]);
        }
    }
}

public zp_user_infected_post(id)
{
    if(zp_get_user_zombie(id))
    {
        engfunc(EngFunc_RemoveEntity,g_bwEnt[id])
        g_bwEnt[id] = 0
    }
}

public zp_user_humanized_post(player)
{
    new iEnt = g_bwEnt[player];
    if( !pev_valid(iEnt) )
    {
        g_bwEnt[player] = iEnt = engfunc (EngFunc_CreateNamedEntity, g_CachedStringInfoTarget);
        set_pev(iEnt, pev_movetype, MOVETYPE_FOLLOW);
        set_pev(iEnt, pev_aiment, player);
        engfunc(EngFunc_SetModel, iEnt, hats[random_num(0,1)]);
    }
}