source: orxonox.OLD/branches/presentation/src/world_entities/environments/mover_trigger_event.cc

/*
   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 "util/loading/load_param.h"
#include "util/loading/factory.h"
#include "mover_trigger_event.h"
#include "debug.h"

ObjectListDefinition(EventTrigger);
CREATE_FACTORY(EventTrigger);


EventTrigger::EventTrigger(const TiXmlElement* root)
{
    PRINTF(0)("15_1 EventTrigger %p created\n", this);
    this->registerObject(this, EventTrigger::_objectList);
    this->toList(OM_ENVIRON);

    this->eventName = "";
    this->eventTriggers = 0;
    this->bIsChecking = false;
    
    if (root != NULL)
        this->loadParams(root);

    this->init_post_params();
}

EventTrigger::~EventTrigger()
{
    delete this->eventTriggers;
}

void EventTrigger::loadParams(const TiXmlElement* root)
{
    MoverTrigger::loadParams(root);

    LoadParam(root, "event", this, EventTrigger, setEvent)
        .describe("The event that releases the trigger")
        .defaultValues("");
}

bool EventTrigger::checkIsTriggered()
{
    if (this->bIsChecking)
        return this->bIsTriggered; // to avoid event-loops
        
    if (!this->eventTriggers)
    {
        if (MoverTrigger::events)
            this->eventTriggers = MoverTrigger::events->getPointerList(this->eventName);

        if (!this->eventTriggers)
            this->eventTriggers = new MoverTriggerPointerList();
    }

    this->bIsChecking = true;
    bool isTriggered = this->eventTriggers->isTriggered();
    this->bIsChecking = false;
    
    return isTriggered;
}