effects are now stored in a set, improved grav well control

[physics.git] / src / effectManager.cpp

/*
 *  Copyright (C) 2008 Patrik Gornicz, Gornicz_P (at) hotmail (dot) com.
 *
 *  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 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "effectManager.h"

#include <set>

#include "Effects/Effect.h"
#include "Effects/Gravity.h"
#include "Effects/GravityWell.h"
#include "Effects/Screen.h"

#include "Vector2.h"
#include "input/inputManager.h"
#include "config/config.h"

/// ***** Private Variables *****

typedef std::set<Effect*> setEffect;
setEffect active_Effects;

GravityWell* mouseWell;

/// ***** Initializers/Cleaners *****

void effect::init()
{
    mouseWell = new GravityWell(input::mousePosition());

    active_Effects.insert(new Screen());
    active_Effects.insert(new Gravity());
    active_Effects.insert(mouseWell);
}
void effect::clean()
{
    for( setEffect::iterator it = active_Effects.begin();
         it != active_Effects.end();
         it++ )
    {
        // TODO !!!!!!!!!
    }
}

/// ***** Public Methods *****

void effect::update(float)
{

}
void effect::handleInput()
{
    if(cfg::mouseWellFollow())
        mouseWell->setPosition(input::mousePosition());

    if(cfg::mouseWellOn())
        active_Effects.insert(mouseWell);
    if(cfg::mouseWellOff())
        active_Effects.erase(mouseWell);
}

Vector2 effect::positionDelta(const PhysicsEntity* e, float time_step)
{
    Vector2 acc(0,0);

    for( setEffect::iterator it = active_Effects.begin();
         it != active_Effects.end();
         it++ )
    {
        acc += (*it)->positionDelta(e, time_step);
    }

    return acc;
}
Vector2 effect::velocityDelta(const PhysicsEntity* e, float time_step)
{
    Vector2 acc(0,0);

    for( setEffect::iterator it = active_Effects.begin();
         it != active_Effects.end();
         it++ )
    {
        acc += (*it)->velocityDelta(e, time_step);
    }

    return acc;
}
Vector2 effect::forceDelta(const PhysicsEntity* e, float time_step)
{
    Vector2 acc(0,0);

    for( setEffect::iterator it = active_Effects.begin();
         it != active_Effects.end();
         it++ )
    {
        acc += (*it)->forceDelta(e, time_step);
    }

    return acc;
}