void attemptToFireRabbitBullet(
  struct RabbitPosition*,
  struct RabbitWeaponry*,
  struct BulletPosition[]
);

void advanceRabbitBullets(
  struct BulletPosition[],
  struct RabbitWeaponry*
);

void handleRabbitBulletToEnemyCollisions(
  struct BulletPosition[],
  struct EnemyPosition[]
);

int handleRabbitToEnemyCollisions(
  struct RabbitPosition*,
  struct EnemyPosition[]
);

int handleEnemyBulletToRabbitCollisions(
  struct BulletPosition enemyBulletPosition[],
  struct RabbitPosition *rabbitPosition
);

void buildCollisionGrids(
  struct BulletPosition rabbitBulletPosition[],
  struct BulletPosition enemyBulletPosition[],
  struct RabbitPosition *rabbitPosition,
  struct EnemyPosition enemyPosition[]
);

void attemptToFireEnemyBullets(
  struct EnemyPosition[],
  struct BulletPosition enemyBulletPosition[],
  struct RabbitPosition*,
  int difficulty
);

void advanceEnemyBullets(
  struct BulletPosition[]
);