cleaned how balls are added

[physics.git] / src / entityCreator.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 "entityCreator.h"

#include <queue>

#include "entityManager.h"
#include "input/inputManager.h"

#include "Entities/Ball.h"
#include "graphics/colors.h"


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

typedef std::queue<Ball*> queBall;

queBall startBalls;
queBall mouseBalls;

/// ***** Private Method Headers *****

Ball* addBall(const Vector2& pos,
              float radius,
              const float* color,
              queBall& que);

void removeBall(queBall& que);
void removeAllBalls(queBall& que);

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

void creator::init()
{
    addBall(Vector2(50, 50), 20, cWhite, startBalls);
    addBall(Vector2(150, 50), 20, cGrey, startBalls);
    addBall(Vector2(50, 100), 20, cRed, startBalls);
    addBall(Vector2(100, 100), 20, cGreen, startBalls);
    addBall(Vector2(150, 100), 20, cBlue, startBalls);
    addBall(Vector2(50, 150), 20, cYellow, startBalls);
    addBall(Vector2(100, 150), 20, cMagenta, startBalls);
    addBall(Vector2(150, 150), 20, cCyan, startBalls);
}
void creator::clean()
{
    removeAllBalls(startBalls);
    removeAllBalls(mouseBalls);
}

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

void creator::addBall(const Vector2& pos, float radius, const float* color)
{
    addBall(pos, radius, color, mouseBalls);
}
void creator::removeBall()
{
    removeBall(mouseBalls);
}
void creator::removeAllBalls()
{
    removeAllBalls(mouseBalls);
}

void creator::handleInput()
{
    if(input::mouseLeft())
        addBall(input::mousePosition(), 10, cCyan);

    if(input::mouseRight() && ! mouseBalls.empty())
        removeBall();
}

/// ***** Private Methods *****

Ball* addBall(const Vector2& pos,
                       float radius,
                       const float* color,
                       queBall& que)
{
    Ball* ball = new Ball(pos, radius, color);

    que.push(ball);
    manager::add(ball);

    return ball;
}

void removeBall(queBall& que)
{
    Ball* ball = que.front();

    manager::remove(ball);
    que.pop();

    delete ball;
}
void removeAllBalls(queBall& que)
{
    while(! que.empty() )
    {
        Ball* ball = que.front();
        que.pop();
        manager::remove(ball);

        delete ball;
    }
}