/*
 * Copyright (c) 2005-2006 Erik Tigerholm <eriktigerholm@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
using System;
using System.Collections.Generic;
using System.Text;
using System.Xml.Serialization;
namespace OpenTraffic.Model.SignalPlans
{
    [Serializable]

    public class Fixed : SignalPlan
    {

        private int lastStageId = -1;
        public Fixed()
        {

        }
        public Fixed(string id, string name, float cycleTime, float cycleOffset,
            TimeSlice active)
            : base(id, name, cycleTime, cycleOffset, active)
        {
        }
        public override void BlockTurns(float t)
        {
            if (!IsActive(t))
            {
                if (lastStageId != -1)
                {
                    lastStageId = -1;
                    foreach (SignalStage stage in Stages) stage.Unblock();
                }
            }
            else
            {
                int stageId = this.GetStage(t);
                if (stageId != lastStageId)
                {
                    lastStageId = stageId;
                    foreach (SignalStage st in Stages)
                    {
                        st.Block();
                    }
                    Stages[stageId].Unblock();

                }
            }
        }
    }
}