TextualBoardVisualiser.cpp

#include "TextualBoardVisualiser.hpp"
#include "Board.hpp"
#include "SnakeException.hpp"
#include <iostream>
using namespace std;

TextualBoardVisualiser::TextualBoardVisualiser(shared_ptr<Board> board){
    m_board = board;
}

// Not sure yet of a better way to do this...is a bit ugly
// Could grow into some massive if, but if move into
// Cells then it's taking the visulisation out of this class?
//IAN: For now I would leave this and move on, it's enough to get you started.
// when it comes time to fix this, you might want to look into MVC and friends
// (Model View Controller).
string TextualBoardVisualiser::textual_display(CellOccupier::TYPE type){
    if( type == CellOccupier::EMPTY){
        return string(" ");
    } else if (type == CellOccupier::SNAKE){
        return string("S");
    } else if (type == CellOccupier::FOOD){
        return string("F");
    } else if (type == CellOccupier::WALL){
        return string("W");
    } else{
        throw TextualRepresentationError();
    }
}

void TextualBoardVisualiser::display(){
    for( int i = 0; i < m_board->get_height(); ++i){
        for( int j = 0; j < m_board->get_width(); ++j){
            cout << textual_display(m_board->lookup(Coord(j, i))->get_type()) << ", ";
        }
        cout << endl;
    }
}

shared_ptr<TextualBoardVisualiser> TextualBoardVisualiserBuilder::create(){
    if (m_board.get() == NULL){
        throw TextualBoardVisualiserBuilderException();
    }
    return shared_ptr<TextualBoardVisualiser> (new TextualBoardVisualiser(m_board));
}

TextualBoardVisualiserBuilder& TextualBoardVisualiserBuilder::set_board(shared_ptr<Board> board){
    m_board = board;
    return *this;
}