[spooky HL15]

hi, everone i have problem with this scripting
i want make plugin for mod base builder for CT
when CT attack zombie every 250 damage CT will win 1 ap

i try to make it but not working

PHP Code:

/* Plugin generated by AMXX-Studio */

#include <amxmodx>
#include <amxmisc>

#define PLUGIN "attack 250 hp = 1 ap"
#define VERSION "1.0"
#define AUTHOR "test"

native bb_get_ap1(id)

new pg_dmg

public plugin_init() {
    register_plugin(PLUGIN, VERSION, AUTHOR)
    
    pg_dmg=register_cvar("bb_hpap","250") 
    register_event("Damage", "Damage", "b", "2!=0")
}
public Damage(id)
{
    new damage = read_data(2)
    new tid = get_user_attacker(id)    // Gracz atakujacy
    if(tid==id || !tid || !is_user_alive(tid)) return PLUGIN_HANDLED
    while(damage>=get_pcvar_num(pg_dmg)){
        damage-=get_pcvar_num(pg_dmg)
        
        bb_get_ap1(id)
    }
    return PLUGIN_CONTINUE
    
} 


sorry for my bad english