Bug_Project1/Crawler.cpp at main · PatrickOrjieh/Bug_Project1 · GitHub

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//
// Created by orjie on 22/03/2023.
//


#include "Crawler.h"
#include <iostream>
#include "Direction.h"

//default constructor
Crawler::Crawler() : Bug() {

}

//make up different constructors with different parameters
Crawler::Crawler(int id, std::pair<int, int> position, Direction direction, int size, bool alive) : Bug(id, position,
                                                                                                        direction, size,
                                                                                                        alive) {

}

//A Crawler bug moves according to these rules:
//- moves by 1 unit in the direction it is currently facing
//- if at edge of board and can’t move in current direction (because
//its way is blocked), then, set a new direction at random. (Repeat
//until bug can move forward). - record new position in the crawler's path history
//note that board size is 10x10
void Crawler::move() {
    // if the bug is at the edge of the board and can't move in the current direction, set a new direction at random
    while (isWayBlocked()) {
        int newDirection = rand() % 4 + 1;
        setDirection((Direction) newDirection);
    }

    //get the current position of the bug
    std::pair<int, int> currentPosition = getPosition();
    //get the current direction of the bug
    Direction currentDirection = getDirection();
    //get the current path of the bug
    std::list<std::pair<int, int>> currentPath = getPath();

    //move the bug by 1 unit in the direction it is currently facing
    switch (currentDirection) {
        case North:
            currentPosition.second -= 1;
            break;
        case South:
            currentPosition.second += 1;
            break;
        case East:
            currentPosition.first += 1;
            break;
        case West:
            currentPosition.first -= 1;
            break;
    }
    //set the new position of the bug
    setPosition(currentPosition);
    //add the new position to the path of the bug
    addPath(currentPosition);
}

void Crawler::displayBug() {
    std::cout << getId() << " Crawler (" << getPosition().first << "," << getPosition().second << ") " << getSize()
              << " ";
    switch (getDirection()) {
        case North:
            std::cout << "North ";
            break;
        case South:
            std::cout << "South ";
            break;
        case East:
            std::cout << "East ";
            break;
        case West:
            std::cout << "West ";
            break;
    }
    if (isAlive()) {
        std::cout << "Alive" << std::endl;
    } else {
        std::cout << "Dead" << std::endl;
    }
}

//destructor
Crawler::~Crawler() {

}