Добавить парашют

#include <amxmodx>
#include <amxmisc>
#include <engine>
  
public plugin_init()
{
   register_plugin("Bio Parachute", "1.0", "chelovek");
}

public plugin_precache()
{
	precache_model("/models/parachute.mdl")
}    
public client_PreThink(id)
{
   if(!is_user_alive(id))return;
  
   if(get_user_button(id) & IN_USE)
   {
      if(get_entity_flags(id) & FL_ONGROUND) return;
      static Float:velocity[3];
      entity_get_vector(id, EV_VEC_velocity, velocity);
      if(velocity[2] < 0)
      {
         velocity[2] = (velocity[2] + 40.0 < -100) ? velocity[2] + 40.0 : -100.0;
         entity_set_vector(id, EV_VEC_velocity, velocity);
      }
   }
}