UpdatePossibleActions()

override void UpdatePossibleActions	(	PlayerBase	player,
		ActionTarget	target,
		ItemBase	item,
		int	action_condition_mask )

См. определение в файле ActionInput.c строка 352

    {
        if ( ForceActionCheck(player))
        {
            m_SelectActions.Clear();
            m_SelectActions.Insert(m_ForcedActionData.m_Action);
            return;
        }
        
        if(m_ForcedTarget)
        {
            target = m_ForcedTarget;
        }
 
        array<ActionBase> select_actions_all = new array<ActionBase>;
        int i, last_index;
        bool change = false;
        m_HasTarget = false;
        
        m_MainItem = item;
        m_Target = target;
        m_ConditionMask = action_condition_mask;
        
        
        if( m_DetectFromItem )
        {
            _GetSelectedActions( item, select_actions_all, m_HasTarget);
        }
        
 
        if( m_DetectFromTarget )
        {   
            _GetSelectedActions( target.GetObject(), select_actions_all, m_HasTarget);
            _GetSelectedActions( target.GetParent(), select_actions_all, m_HasTarget);
        }
        
        if( m_DetectFromPlayer )
        {
            _GetSelectedActions( player, select_actions_all, m_HasTarget);
        }
        
        if (select_actions_all.Count())
        {
            last_index = 0;
            for ( i = 0; i < select_actions_all.Count(); i++ )
            {
                ActionBase action = select_actions_all[i];
                if ( m_HasTarget )
                {
                    if ( action.HasTarget() )
                    {
                        if ( m_SelectActions.Count() > last_index )
                        {
                            if ( m_SelectActions[last_index] != action )
                            {
                                change = true;
                                m_SelectActions[last_index] = action;
                            }
                        }
                        else
                        {
                            change = true;
                            m_SelectActions.Insert(action);
                        }
                        action.OnActionInfoUpdate(player, target, item);
                        last_index++;
                    }
                }
                else
                {
                    if ( m_SelectActions.Count() > last_index )
                    {
                        if ( m_SelectActions[last_index] != action )
                        {
                            change = true;
                            m_SelectActions[last_index++] = action;
                        }
                    }
                    else
                    {
                        change = true;
                        m_SelectActions.Insert(action);
                    }
                    action.OnActionInfoUpdate(player, target, item);
                    last_index++;
                }
            }
        }
        else
        {
            change = true;
            m_selectedActionIndex = 0;
            m_SelectActions.Clear();
        }
        
        if (m_SelectActions.Count() > last_index)
        {
            change = true;
            for (i = last_index; i < m_SelectActions.Count(); i++)
            {
                m_SelectActions.Remove(last_index);
            }
        }
        
        if ( change )
        {
            m_selectedActionIndex = 0;
            m_Player.GetActionManager().SelectFirstActionCategory();
        }
    }

Перекрестные ссылки _GetSelectedActions(), ActionTarget, ActionBase::HasTarget(), m_MainItem, m_Player, m_SelectActions, m_selectedActionIndex, m_Target и ActionBase::OnActionInfoUpdate().