Conways-Game-Of-Life/ConwaysGameOfLife/Framework.cpp
2018-03-20 18:17:17 +01:00

112 lines
2.2 KiB
C++

#include "stdafx.h"
#include "Framework.h"
// Initilaize static variables
sf::RenderWindow* Framework::m_window = nullptr;
sf::Event Framework::m_event = sf::Event();
TestRender Framework::m_test = TestRender();
bool Framework::init(unsigned width, unsigned height, const char* title, sf::Uint8 flags)
{
// If Window does not exist, create it
if (m_window == nullptr)
{
m_window = new sf::RenderWindow(sf::VideoMode(width, height), title, flags);
}
// If window is still nullptr, throw error
if (m_window == nullptr)
{
std::cout << "Window could not be created." << std::endl;
system("PAUSE");
return false;
}
return true;
}
// Program loop
bool Framework::run()
{
// If no window, break
if (m_window == nullptr)
{
std::cout << "Cannot run program loop if no window was initialized. Call Framework::init first." << std::endl;
system("PAUSE");
return false;
}
// The loop
while (m_window->isOpen())
{
// Run update(). If an error occures, break
if (update() == false)
{
std::cout << "An Error occured in Framework::update()" << std::endl;
system("PAUSE");
release();
return false;
}
// Run handleEvents(). If an error occures, break
if (handleEvents() == false)
{
std::cout << "An Error occured in Framework::handleEvents()" << std::endl;
system("PAUSE");
release();
return false;
}
// Run render(). If an error occures, break
if (render() == false)
{
std::cout << "An Error occured in Framework::render()" << std::endl;
system("PAUSE");
release();
return false;
}
}
// release window
release();
}
// Updates screen elements
bool Framework::update()
{
if (!m_test.update()) return false;
return true;
}
// Handles window events
bool Framework::handleEvents()
{
while (m_window->pollEvent(m_event))
{
// On Close Event
if (m_event.type == sf::Event::Closed) m_window->close();
}
return true;
}
// Renders objects
bool Framework::render()
{
m_window->clear();
if (!m_test.render(*m_window)) return false;
m_window->display();
return true;
}
// Releases pointers
void Framework::release()
{
m_window = nullptr;
delete m_window;
std::cout << "Released window" << std::endl;
}