CoD Perk : Airstrike

/* Plugin generated by AMXX-Studio */

#include <amxmodx>
#include <amxmisc>
#include <cstrike>
#include <codmod>
#include <engine>
#include <fakemeta_util>
#include <hamsandwich>

new bool:ma_perk[33];

new sprite_blast;

new ilosc[33];

new PobraneOrigin[3], ZmienKilla[2];

public plugin_init()
{
    cod_register_perk("Airstrike", "You can call in an air raid on a round of time!");

    register_touch("bomb", "*", "touchedrocket");

    RegisterHam(Ham_Spawn, "player", "Spawn", 1);
}

public plugin_precache()
{
    sprite_blast = precache_model("sprites/dexplo.spr");
    precache_model("models/p_hegrenade.mdl");
    precache_model("models/cod_plane.mdl");
    precache_sound("mw/jet_fly1.wav");
    precache_sound("mw/air_friend.wav");
    precache_sound("mw/air_enemy.wav");
    precache_sound("mw/air_give.wav");
}

public cod_perk_enabled(id)
{
    if(cod_get_user_level(id) > 100)
    return COD_STOP;

    ma_perk[id] = true;
    ilosc[id] = 1;
    return COD_CONTINUE;
}

public cod_perk_disabled(id)
{
    ma_perk[id] = false;
    ilosc[id] = 0;
}

public client_disconnect(id)
{
    ma_perk[id] = false;
    ilosc[id] = 0;
}

public cod_perk_used(id)
{
    if(!ilosc[id])
    {
                client_print(id, print_center, "You can no longer use the perk!");
                return PLUGIN_CONTINUE;
         }
    else
    {
        if (is_user_alive(id))
        {

            ilosc[id]--;

            CreateNalot(id);
        }
    }
    return PLUGIN_CONTINUE;
}

public CreateNalot(id)
{
    new num, players[32];
    get_players(players, num, "gh");
    for(new a = 0; a < num; a++)
    {
        new i = players[a];
        if(get_user_team(id) != get_user_team(i))
            client_cmd(i, "spk sound/mw/air_enemy.wav");
        else
            client_cmd(i, "spk sound/mw/air_friend.wav");
    }
    set_task(1.0, "CreateBombs", id+997, _, _, "a", 3);
    CreatePlane(id);
}

public CreateBombs(taskid)
{
    new id = (taskid-997);

    new radlocation[3];
    PobraneOrigin[0] += random_num(-300,300);
    PobraneOrigin[1] += random_num(-300,300);
    PobraneOrigin[2] += 50;

    for(new i=0; i<15; i++)
    {
        radlocation[0] = PobraneOrigin[0]+1*random_num(-150,150);
        radlocation[1] = PobraneOrigin[1]+1*random_num(-150,150);
        radlocation[2] = PobraneOrigin[2];

        new Float:LocVec[3];
        IVecFVec(radlocation, LocVec);
        create_ent(id, "bomb", "models/p_hegrenade.mdl", 2, 10, LocVec);
    }
}

public CreatePlane(id)
{
    new Float:Origin[3], Float:Angle[3], Float:Velocity[3], ent;

    get_user_origin(id, PobraneOrigin, 3);

    velocity_by_aim(id, 1000, Velocity);
    entity_get_vector(id, EV_VEC_origin, Origin);
    entity_get_vector(id, EV_VEC_v_angle, Angle);

    Angle[0] = Velocity[2] = 0.0;
    Origin[2] += 200.0;

    create_ent(id, "samolot", "models/cod_plane.mdl", 2, 8, Origin, ent);

    entity_set_vector(ent, EV_VEC_velocity, Velocity);
    entity_set_vector(ent, EV_VEC_angles, Angle);

    emit_sound(ent, CHAN_ITEM, "mw/jet_fly1.wav", 1.0, ATTN_NORM, 0, PITCH_NORM);
    set_task(4.5, "del_plane", ent+5731);
}

public del_plane(taskid)
    remove_entity(taskid-5731);

public touchedrocket(ent, id)
{
    if(!is_valid_ent(ent))
        return PLUGIN_CONTINUE;

    bombs_explode(ent, 100.0, 150.0);
    return PLUGIN_CONTINUE;
}

stock create_ent(id, szName[], szModel[], iSolid, iMovetype, Float:fOrigin[3], &ent=-1)
{
    new ent1 = create_entity("info_target");
    entity_set_string(ent1, EV_SZ_classname, szName);
    entity_set_model(ent1, szModel);
    entity_set_int(ent1, EV_INT_solid, iSolid);
    entity_set_int(ent1, EV_INT_movetype, iMovetype);
    entity_set_edict(ent1, EV_ENT_owner, id);
    entity_set_origin(ent1, fOrigin);

    if(ent != -1)
        ent = ent1;
}

bombs_explode(ent, Float:zadaje, Float:promien)
{
    if(!is_valid_ent(ent))
        return;

    new attacker = entity_get_edict(ent, EV_ENT_owner);

    new Float:entOrigin[3], Float:fDamage, Float:Origin[3];
    entity_get_vector(ent, EV_VEC_origin, entOrigin);
    entOrigin[2] += 1.0;

    new entlist[33];
    new numfound = find_sphere_class(ent, "player", promien, entlist, 32);
    for(new i=0; i < numfound; i++)
    {
        new victim = entlist[i];
        if(!is_user_alive(victim) || get_user_team(attacker) == get_user_team(victim))
            continue;

        entity_get_vector(victim, EV_VEC_origin, Origin);
        fDamage = zadaje - floatmul(zadaje, floatdiv(get_distance_f(Origin, entOrigin), promien));
        fDamage *= estimate_take_hurt(entOrigin, victim, 0);
        if(fDamage>0.0)
            UTIL_Kill(attacker, victim, fDamage, DMG_BULLET);
    }
    Sprite_Blast(entOrigin);
    remove_entity(ent);
}

stock Float:estimate_take_hurt(Float:fPoint[3], ent, ignored)
{
    new Float:fFraction, Float:fOrigin[3], tr;
    entity_get_vector(ent, EV_VEC_origin, fOrigin);
    engfunc(EngFunc_TraceLine, fPoint, fOrigin, DONT_IGNORE_MONSTERS, ignored, tr);
    get_tr2(tr, TR_flFraction, fFraction);
    if(fFraction == 1.0 || get_tr2(tr, TR_pHit) == ent)
        return 1.0;
    return 0.6;
}

stock UTIL_Kill(atakujacy, obrywajacy, Float:damage, damagebits, ile=0)
{
    ZmienKilla[ile] |= (1<<atakujacy);
    ExecuteHam(Ham_TakeDamage, obrywajacy, atakujacy, atakujacy, damage, damagebits);
    ZmienKilla[ile] &= ~(1<<atakujacy);
}

stock Sprite_Blast(Float:iOrigin[3])
{
    message_begin(MSG_BROADCAST,SVC_TEMPENTITY);
    write_byte(TE_EXPLOSION);
    write_coord(floatround(iOrigin[0]));
    write_coord(floatround(iOrigin[1]));
    write_coord(floatround(iOrigin[2]));
    write_short(sprite_blast);
    write_byte(32);
    write_byte(20);
    write_byte(0);
    message_end();
}

public Spawn(id)
{
        if(!is_user_alive(id) || !is_user_connected(id))
                return PLUGIN_CONTINUE;

        if(ma_perk[id])
                ilosc[id] = 1;

        return PLUGIN_CONTINUE;
}