Прохождение свозь игроков

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

#define DISTANCE 120

new g_iTeam[33]
new bool:g_bSolid[33]
new bool:g_bHasSemiclip[33]
new Float:g_fOrigin[33][3]

new bool:g_bSemiclipEnabled

new g_iForwardId[3]
new g_iMaxPlayers
new g_iCvar[3]

public plugin_init( )
{
    register_plugin( "[ZP] Antiblock", "0.1", "Maslyak" )
    
    g_iCvar[0] = register_cvar( "semiclip_enabled", "1" )
    g_iCvar[1] = register_cvar( "semiclip_teamclip", "0" )
    g_iCvar[2] = register_cvar( "semiclip_transparancy", "1" )
    
    register_forward( FM_ClientCommand, "fwdClientCommand" )
    
    if( get_pcvar_num( g_iCvar[0] ) )
    {
        g_iForwardId[0] = register_forward( FM_PlayerPreThink, "fwdPlayerPreThink" )
        g_iForwardId[1] = register_forward( FM_PlayerPostThink, "fwdPlayerPostThink" )
        g_iForwardId[2] = register_forward( FM_AddToFullPack, "fwdAddToFullPack_Post", 1 )
        
        g_bSemiclipEnabled = true
    }
    else
        g_bSemiclipEnabled = false
    
    g_iMaxPlayers = get_maxplayers( )
}

public fwdPlayerPreThink( plr )
{
    static id, last_think

    if( last_think > plr )
    {
        for( id = 1; id <= g_iMaxPlayers; id++ )
        {
            if( is_user_alive( id ) )
            {
                if( get_pcvar_num( g_iCvar[1] ) )
                    g_iTeam[id] = zp_get_user_zombie( id )
                
                g_bSolid[id] = pev( id, pev_solid ) == SOLID_SLIDEBOX ? true : false
                pev( id, pev_origin, g_fOrigin[id] )
            }
            else
                g_bSolid[id] = false
        }
    }

    last_think = plr

    if( g_bSolid[plr] )
    {
        for( id = 1; id <= g_iMaxPlayers; id++ )
        {
            if( g_bSolid[id] && get_distance_f( g_fOrigin[plr], g_fOrigin[id] ) <= DISTANCE && id != plr )
            {
                if( get_pcvar_num( g_iCvar[1] ) && g_iTeam[plr] != g_iTeam[id] )
                    return FMRES_IGNORED
                
                if(!(pev(plr, pev_button) & IN_USE))    
                    return FMRES_IGNORED
                
                set_pev( id, pev_solid, SOLID_NOT )
                g_bHasSemiclip[id] = true
            }
        }
    }

    return FMRES_IGNORED
}

public fwdPlayerPostThink( plr )
{
    static id

    for( id = 1; id <= g_iMaxPlayers; id++ )
    {
        if( g_bHasSemiclip[id] )
        {
            set_pev( id, pev_solid, SOLID_SLIDEBOX )
            g_bHasSemiclip[id] = false
        }
    }
}

public fwdAddToFullPack_Post( es_handle, e, ent, host, hostflags, player, pset )
{
    if( player )
    {
        if( g_bSolid[host] && g_bSolid[ent] && get_distance_f( g_fOrigin[host], g_fOrigin[ent] ) <= DISTANCE )
        {
            if( get_pcvar_num( g_iCvar[1] ) && g_iTeam[host] != g_iTeam[ent] )
                return FMRES_IGNORED
            
            if(!(pev(host, pev_button) & IN_USE))    
                return FMRES_IGNORED
                
            set_es( es_handle, ES_Solid, SOLID_NOT ) // makes semiclip flawless
            
            if( get_pcvar_num( g_iCvar[2] ) == 1 )
            {
                set_es( es_handle, ES_RenderMode, kRenderTransAlpha )
                set_es( es_handle, ES_RenderAmt, 85 )
            }
            else if( get_pcvar_num( g_iCvar[2] ) == 2 )
            {
                set_es( es_handle, ES_Effects, EF_NODRAW )
                set_es( es_handle, ES_Solid, SOLID_NOT )
            }
        }
    }
    
    return FMRES_IGNORED
}

// is there a better way to detect changings of g_iCvar[0]?
public fwdClientCommand( plr )
{
    // use the forwards just when needed, for good performance
    if( !get_pcvar_num( g_iCvar[0] ) && g_bSemiclipEnabled )
    {
        unregister_forward( FM_PlayerPreThink, g_iForwardId[0] )
        unregister_forward( FM_PlayerPostThink, g_iForwardId[1] )
        unregister_forward( FM_AddToFullPack, g_iForwardId[2], 1 )
        
        g_bSemiclipEnabled = false
    }
    else if( get_pcvar_num( g_iCvar[0] ) && !g_bSemiclipEnabled )
    {
        g_iForwardId[0] = register_forward( FM_PlayerPreThink, "fwdPlayerPreThink" )
        g_iForwardId[1] = register_forward( FM_PlayerPostThink, "fwdPlayerPostThink" )
        g_iForwardId[2] = register_forward( FM_AddToFullPack, "fwdAddToFullPack_Post", 1 )
        
        g_bSemiclipEnabled = true
    }
}