/*
   orxonox - the future of 3D-vertical-scrollers

   Copyright (C) 2007 orx

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   ### File Specific:
   main-programmer: Fabian 'x3n' Landau
   co-programmer:
*/

#include "mover_trigger_list.h"


MoverTriggerDelayList::MoverTriggerDelayList()
{
    this->first = 0;
}

MoverTriggerDelayList::~MoverTriggerDelayList()
{
    while (this->first)
        this->deleteFirstState();
}

void MoverTriggerDelayList::addState(bool state, bool oldState, float time)
{
    if (this->first == 0)
        this->first = new MoverTriggerDelayListElement(state, oldState, time);
    else
    {
        MoverTriggerDelayListElement *temp = this->first;
        while (temp->next != 0)
            temp = temp->next;
            
        temp->next = new MoverTriggerDelayListElement(state, oldState, time);
    }
}

void MoverTriggerDelayList::deleteFirstState()
{
    if (this->first != 0)
    {
        MoverTriggerDelayListElement *temp = this->first->next;
        delete this->first;
        this->first = temp;
    }
}

MoverTriggerDelayListElement *MoverTriggerDelayList::getFirstState()
{
    return this->first;
}

MoverTriggerDelayListElement *MoverTriggerDelayList::getLastState()
{
    MoverTriggerDelayListElement *temp = this->first;
    while (temp != 0)
    {
        if (temp->next == 0)
            return temp;
            
        temp = temp->next;
    }
            
    return 0;
}

bool MoverTriggerDelayList::isEmpty()
{
    return (this->first == 0);
}

////////////////////////////////////////////////////////


MoverTriggerDelayListElement::MoverTriggerDelayListElement(bool state, bool oldState, float time)
{
    this->state = state;
    this->oldState = oldState;
    this->time = time;
    this->next = 0;
}

MoverTriggerDelayListElement::~MoverTriggerDelayListElement()
{
}