Плагин Parachute

#include <amxmodx>
#include <amxmisc>
#include <engine>
#include <cstrike>
#include <fun>

new para_ent[33]

public plugin_init()
{
    register_plugin("Parachute", "1.3 Fixed", "KRoT@L/JTP10181")

    register_event("ResetHUD", "newSpawn", "be")
    register_event("DeathMsg", "death_event", "a")
}

public plugin_natives()
{
    set_native_filter("native_filter")
}

public native_filter(const name[], index, trap)
{
    if (!trap) return PLUGIN_HANDLED
    return PLUGIN_CONTINUE
}

public plugin_precache()
{
    precache_model("models/parachute.mdl")
}

public client_connect(id)
{
    parachute_reset(id)
}

public client_disconnect(id)
{
    parachute_reset(id)
}

public death_event()
{
    new id = read_data(2)
    parachute_reset(id)
}

parachute_reset(id)
{
    if(para_ent[id] > 0)
    {
        if (is_valid_ent(para_ent[id]))
        {
            remove_entity(para_ent[id])
        }
    }

    if(is_user_alive(id)) set_user_gravity(id, 1.0)
    para_ent[id] = 0
}

public newSpawn(id)
{
    if(para_ent[id] > 0)
    {
        remove_entity(para_ent[id])
        set_user_gravity(id, 1.0)
        para_ent[id] = 0
    }
}

public client_PreThink(id)
{
    if(!is_user_alive(id)) return
    
    new Float:fallspeed = 100 * -1.0
    new Float:frame
    new button = get_user_button(id)
    new oldbutton = get_user_oldbutton(id)
    new flags = get_entity_flags(id)
    if(para_ent[id] > 0 && (flags & FL_ONGROUND))
    {
        if(get_user_gravity(id) == 0.1) set_user_gravity(id, 1.0)
        {
            if(entity_get_int(para_ent[id],EV_INT_sequence) != 2)
            {
                entity_set_int(para_ent[id], EV_INT_sequence, 2)
                entity_set_int(para_ent[id], EV_INT_gaitsequence, 1)
                entity_set_float(para_ent[id], EV_FL_frame, 0.0)
                entity_set_float(para_ent[id], EV_FL_fuser1, 0.0)
                entity_set_float(para_ent[id], EV_FL_animtime, 0.0)
                entity_set_float(para_ent[id], EV_FL_framerate, 0.0)
                return
            }
            frame = entity_get_float(para_ent[id],EV_FL_fuser1) + 2.0
            entity_set_float(para_ent[id],EV_FL_fuser1,frame)
            entity_set_float(para_ent[id],EV_FL_frame,frame)
            if(frame > 254.0)
            {
                remove_entity(para_ent[id])
                para_ent[id] = 0
            }
            else
            {
                remove_entity(para_ent[id])
                set_user_gravity(id, 1.0)
                para_ent[id] = 0
            }
            return
        }
    }
    if (button & IN_USE)
    {
        new Float:velocity[3]
        entity_get_vector(id, EV_VEC_velocity, velocity)
        if(velocity[2] < 0.0)
        {
            if(para_ent[id] <= 0)
            {
                para_ent[id] = create_entity("info_target")
                if(para_ent[id] > 0)
                {
                    entity_set_string(para_ent[id],EV_SZ_classname,"parachute")
                    entity_set_edict(para_ent[id], EV_ENT_aiment, id)
                    entity_set_edict(para_ent[id], EV_ENT_owner, id)
                    entity_set_int(para_ent[id], EV_INT_movetype, MOVETYPE_FOLLOW)
                    entity_set_model(para_ent[id], "models/parachute.mdl")
                    entity_set_int(para_ent[id], EV_INT_sequence, 0)
                    entity_set_int(para_ent[id], EV_INT_gaitsequence, 1)
                    entity_set_float(para_ent[id], EV_FL_frame, 0.0)
                    entity_set_float(para_ent[id], EV_FL_fuser1, 0.0)
                }
            }
            if(para_ent[id] > 0)
            {
                entity_set_int(id, EV_INT_sequence, 3)
                entity_set_int(id, EV_INT_gaitsequence, 1)
                entity_set_float(id, EV_FL_frame, 1.0)
                entity_set_float(id, EV_FL_framerate, 1.0)
                set_user_gravity(id, 0.1)
                velocity[2] = (velocity[2] + 40.0 < fallspeed) ? velocity[2] + 40.0 : fallspeed
                entity_set_vector(id, EV_VEC_velocity, velocity)
                if(entity_get_int(para_ent[id],EV_INT_sequence) == 0)
                {
                    frame = entity_get_float(para_ent[id],EV_FL_fuser1) + 1.0
                    entity_set_float(para_ent[id],EV_FL_fuser1,frame)
                    entity_set_float(para_ent[id],EV_FL_frame,frame)
                    if (frame > 100.0)
                    {
                        entity_set_float(para_ent[id], EV_FL_animtime, 0.0)
                        entity_set_float(para_ent[id], EV_FL_framerate, 0.4)
                        entity_set_int(para_ent[id], EV_INT_sequence, 1)
                        entity_set_int(para_ent[id], EV_INT_gaitsequence, 1)
                        entity_set_float(para_ent[id], EV_FL_frame, 0.0)
                        entity_set_float(para_ent[id], EV_FL_fuser1, 0.0)
                    }
                }
            }
        }
        else if(para_ent[id] > 0)
        {
            remove_entity(para_ent[id])
            set_user_gravity(id, 1.0)
            para_ent[id] = 0
        }
    }
    else if((oldbutton & IN_USE) && para_ent[id] > 0 )
    {
        remove_entity(para_ent[id])
        set_user_gravity(id, 1.0)
        para_ent[id] = 0
    }
}