source/logic/CollisionDetector.cpp

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#include "CollisionDetector.h"

void CollisionDetector::checkCollisions(list<PlayerCar>& players, list<EnemyCar>& enemies, list<Checkpoint>& checkpoints, list<Rock>& rocks, list<Smokescreen>& smokescreens)
{
    for (list<PlayerCar>::iterator playIter = players.begin(); playIter!=players.end(); ++playIter)
    {
        for (list<EnemyCar>::iterator enemyIter = enemies.begin(); enemyIter!=enemies.end(); ++enemyIter)
        {
            if ((abs(playIter->x() - enemyIter->x())<1)&&(abs(playIter->y() - enemyIter->y())<1))
            {
                collision(*playIter, *enemyIter);
            }
        }

        for (list<Checkpoint>::iterator checkIter = checkpoints.begin(); checkIter!=checkpoints.end(); ++checkIter)
        {
            if ((abs(playIter->x() - checkIter->x())<1)&&(abs(playIter->y() - checkIter->y())<1))
            {
                collision(*playIter, *checkIter);
            }
        }

        for (list<Rock>::iterator rockIter = rocks.begin(); rockIter!=rocks.end(); ++rockIter)
        {
            if ((abs(playIter->x() - rockIter->x())<1)&&(abs(playIter->y() - rockIter->y())<1))
            {
                collision(*playIter, *rockIter);
            }
        }
    }

    for (list<EnemyCar>::iterator enemyIter = enemies.begin(); enemyIter!=enemies.end(); ++enemyIter)
    {
        for (list<Smokescreen>::iterator smokeIter = smokescreens.begin(); smokeIter!=smokescreens.end(); ++smokeIter)
        {
            if ((abs(enemyIter->x() - smokeIter->x())<1)&&(abs(enemyIter->y() - smokeIter->y())<1))
            {
                collision(*enemyIter, *smokeIter);
            }
        }
    }
}

void CollisionDetector::collision(PlayerCar& player, Checkpoint& checkpoint)
{
    player.gotCheckpoint();
    checkpoint.collect();
}

void CollisionDetector::collision(PlayerCar& player, Rock& rock)
{
    player.crash();
}

void CollisionDetector::collision(PlayerCar& player, EnemyCar& enemy)
{
    player.crash();
    enemy.crash();
}

void CollisionDetector::collision(EnemyCar& enemy, Smokescreen& smokescreen)
{
    enemy.blind();
}