A5/main.cpp

/**
 * @author Tyler Beckman (tyler_beckman@mines.edu)
 * @brief A program to read polygon points and colors from a data file and
 * display them utilizing the SFML library, validating all shapes at each point
 * during processing.
 * @version 1
 * @date 2024-11-11
 */

#include "Coordinate.h"
#include "EquilateralTriangle.h"
#include "IsoscelesTriangle.h"
#include "Polygon.h"
#include "Rhombus.h"
#include "ScaleneTriangle.h"

#include <fstream>
#include <iostream>
#include <memory>

#include <cstdio>

#include <SFML/Graphics/Color.hpp>

int main(void) {
  // Start file parsing logic
  std::cout << "Please enter file path to read polygons from: ";
  std::string filePath;
  std::cin >> filePath;

  std::ifstream file(filePath);
  if (file.fail()) {
    std::cout << "Failed to open specified file path " << filePath
              << ", does it exist?" << std::endl;
    return 1;
  }

  std::vector<std::unique_ptr<APolygon>> polygonList;
  std::unique_ptr<APolygon> currentPolygon;
  char type;
  double x1, y1, x2, y2, x3, y3, x4 = -1, y4 = -1;
  int r, g, b;

  while (true) {
    file >> type >> x1 >> y1 >> x2 >> y2 >> x3 >> y3;
    if (type == 'R') {
      file >> x4 >> y4;
    }
    file >> r >> g >> b;

    if (file.fail()) {
      break;
    }

    switch (type) {
      case 'S':
        currentPolygon = std::make_unique<ScaleneTriangle>();
        break;
      case 'I':
        currentPolygon = std::make_unique<IsoscelesTriangle>();
        break;
      case 'E':
        currentPolygon = std::make_unique<EquilateralTriangle>();
        break;
      case 'R':
        currentPolygon = std::make_unique<Rhombus>();
        break;
      default:
        std::cout << "polygon is invalid - \"" << type << " " << x1 << " " << y1
                  << " " << x2 << " " << y2 << " " << x3 << " " << y3 << " "
                  << x4 << " " << y4 << " " << r << " " << g << " " << b << "\""
                  << std::endl;
        continue;
    }

    currentPolygon->setCoordinate(0, Coordinate(x1, y1));
    currentPolygon->setCoordinate(1, Coordinate(x2, y2));
    currentPolygon->setCoordinate(2, Coordinate(x3, y3));
    if (type == 'R') {
      currentPolygon->setCoordinate(3, Coordinate(x4, y4));
    }
    currentPolygon->setColor(sf::Color(r, g, b));

    if (!currentPolygon->validate()) {
      std::cout << "polygon is invalid - \"" << type << " " << x1 << " " << y1
                << " " << x2 << " " << y2 << " " << x3 << " " << y3;
      if (x4 != -1) {
        std::cout << " " << x4 << " " << y4;
      }
      std::cout << " " << r << " " << g << " " << b << "\"" << std::endl;
    } else {
      polygonList.push_back(std::move(currentPolygon));
    }
  };

  // Start SFML Rendering logic
  sf::RenderWindow window(
      sf::VideoMode(640, 640), "correct horse battery staple",
      sf::Style::Titlebar | sf::Style::Close // Disable window resize
  );
  window.setVerticalSyncEnabled(true);

  sf::Event event;

  while (window.isOpen()) {
    window.clear();

    for (size_t i = 0; i < polygonList.size(); i++) {
      polygonList.at(i)->draw(window);
    }

    window.display();

    while (window.pollEvent(event)) {
      if (event.type == sf::Event::Closed) {
        window.close();
      }
    }
  }
}