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antfarm.cpp
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antfarm.cpp
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#include <cmath>
#include <iostream>
#include <SFML/Graphics.hpp>
#include "src/entity.h"
#include "src/node.h"
#include "src/simulation.h"
#include <sys/stat.h>
using namespace std;
bool fileExists(const string& fn)
{
struct stat b;
return(stat(fn.c_str(), &b) == 0);
}
int main(int argc, char* argv[])
{
Simulation sim;
bool dragging = false;
if(argc > 3)
{
cerr << "Syntax is 'antfarm [save file] [settings file]'"
<< "\n\t [save file] and [settings file] are optional and default to settings.cfg and empty.dat respectively.\n";
return 0;
}
string settingsFilename = "settings.cfg";
string saveFile = "dat/empty.dat";
if(argc > 1)
{
// Make sure files exist
saveFile = (argv[1]);
if(fileExists(saveFile) == false)
saveFile = "dat/"+saveFile;
if(fileExists(saveFile) == false)
{
cerr << "Cannot access save file \"" << (argv[1]) << "\" either in ./ or ./dat!";
return -1;
}
}
if(argc > 2)
{
settingsFilename = (argv[2]);
if(fileExists(settingsFilename) == false)
settingsFilename = "cfg/"+settingsFilename;
if(fileExists(settingsFilename) == false)
{
cerr << "Cannot access configuration file \"" << (argv[2]) << "\" either in ./ or ./cfg!";
return -1;
}
}
sim.LoadSettings(settingsFilename);
sim.LoadSave(saveFile);
sf::RenderWindow window(sf::VideoMode(sim.winX, sim.winY), "AntFarm v0.1");
window.setFramerateLimit(sim.ticksPerSecond);
cerr << "Window is (" << sim.winX << ", " << sim.winY << ")\n";
cerr << "Beginning simulation at " << sim.ticksPerSecond << " ticks/s. \n";
sf::Vector2f mPos = window.getView().getCenter();
while (window.isOpen())
{
if(!sim.paused)
sim.Simulate();
sf::Event event;
while (window.pollEvent(event))
{
if (event.type == sf::Event::Closed)
window.close();
if(event.type ==sf::Event::Resized)
{
sf::FloatRect visibleArea(0.f, 0.f, event.size.width, event.size.height);
window.setView(sf::View(visibleArea));
}
sf::View view = window.getView();
if(event.type == sf::Event::MouseWheelMoved)
{
if(event.mouseWheel.delta < 0)
{
view.zoom(1.25f);
}
else if(event.mouseWheel.delta > 0)
{
view.zoom(0.8f);
}
}
if(event.type == sf::Event::KeyPressed)
{
if(event.key.code == sf::Keyboard::Space)
sim.paused = !sim.paused;
if(event.key.code == sf::Keyboard::Period && sim.paused)
sim.Simulate();
}
if(event.type == sf::Event::MouseButtonPressed && event.mouseButton.button == sf::Mouse::Left)
{
mPos = window.mapPixelToCoords(sf::Mouse::getPosition(window));
dragging = true;
}
else if(event.type == sf::Event::MouseButtonReleased && event.mouseButton.button == sf::Mouse::Left)
{
dragging = false;
}
else if(event.type == sf::Event::MouseMoved && dragging)
{
sf::Vector2f curPos = window.mapPixelToCoords(sf::Mouse::getPosition(window));
float xMove = mPos.x - curPos.x;
float yMove = mPos.y - curPos.y;
view.move(xMove, yMove);
}
mPos = window.mapPixelToCoords(sf::Mouse::getPosition(window));
window.setView(view);
}
window.clear();
sim.Draw(window);
window.display();
}
return 0;
}