Robot.cpp

#include "globals.h"
#include "Robot.h"
#include "Player.h"
#include "Arena.h"
#include "Game.h"
#include <iostream>
#include <string>
#include <cstdlib>
#include <ctime>
using namespace std;


///////////////////////////////////////////////////////////////////////////
//  Robot implementation
///////////////////////////////////////////////////////////////////////////


Robot::Robot(Arena* ap, int r, int c)
{
    if (ap == nullptr)
    {
        cout << "***** A robot must be in some Arena!" << endl;
        exit(1);
    }
    if (r < 1  ||  r > ap->rows()  ||  c < 1  ||  c > ap->cols())
    {
        cout << "***** Robot created with invalid coordinates (" << r << ","
             << c << ")!" << endl;
        exit(1);
    }
    m_arena = ap;
    m_row = r;
    m_col = c;
    m_health = 2;
}

int Robot::row() const
{
    return m_row;
}

int Robot::col() const
{
    return m_col; 
}

void Robot::move()
{
      // Attempt to move in a random direction; if we can't move, don't move
    switch (rand() % 4)
    {
      case UP:
        if (m_row > 1 && m_row <= m_arena->rows())
            m_row --;
        break;
      case DOWN:
        if (m_row > 0 && m_row < m_arena->rows())
            m_row++;
        break;
      case LEFT:
        if (m_col > 1 && m_col <= m_arena->cols())
            m_col--;
        break;
      case RIGHT:
        if (m_col > 0 && m_col < m_arena->cols())
            m_col ++;
        break;
    }
}

bool Robot::takeDamageAndLive()
{
    m_health--;
    if (m_health == 0)
        return false;
    return true;
}