173 lines
4.2 KiB
C++
173 lines
4.2 KiB
C++
#include "openglcontext.h"
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#include "define.h"
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OpenglContext::OpenglContext() : m_maxFps(999999), m_fullscreen(false), m_title(""), m_lastFrameTime(0)
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{
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}
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OpenglContext::~OpenglContext()
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{
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}
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bool OpenglContext::Start(const std::string& title, int width, int height, bool fullscreen)
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{
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m_title = title;
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m_fullscreen = fullscreen;
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InitWindow(width, height);
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Init();
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LoadResource();
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sf::Clock clock;
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while (m_app.isOpen())
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{
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clock.restart();
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sf::Event Event;
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while (m_app.pollEvent(Event))
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{
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switch(Event.type)
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{
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case sf::Event::Closed:
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m_app.close();
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break;
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case sf::Event::Resized:
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glViewport(0, 0, Event.size.width, Event.size.height);
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break;
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case sf::Event::KeyPressed:
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KeyPressEvent(Event.key.code);
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break;
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case sf::Event::KeyReleased:
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KeyReleaseEvent(Event.key.code);
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break;
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case sf::Event::MouseMoved:
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MouseMoveEvent(Event.mouseMove.x, Event.mouseMove.y);
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break;
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case sf::Event::MouseButtonPressed:
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MousePressEvent(ConvertMouseButton(Event.mouseButton.button), Event.mouseButton.x, Event.mouseButton.y);
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break;
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case sf::Event::MouseButtonReleased:
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MouseReleaseEvent(ConvertMouseButton(Event.mouseButton.button), Event.mouseButton.x, Event.mouseButton.y);
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break;
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case sf::Event::MouseWheelMoved:
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if(Event.mouseWheel.delta > 0)
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MousePressEvent(MOUSE_BUTTON_WHEEL_UP, Event.mouseButton.x, Event.mouseButton.y);
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else
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MousePressEvent(MOUSE_BUTTON_WHEEL_DOWN, Event.mouseButton.x, Event.mouseButton.y);
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break;
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}
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}
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m_app.setActive();
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Render(m_lastFrameTime);
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m_app.display();
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m_lastFrameTime = clock.getElapsedTime().asSeconds();
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// Handle ourself frame rate limit, sf::Window::setFramerateLimit doesn't seems to work
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float waitTime = (1.f / m_maxFps) - m_lastFrameTime;
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if(waitTime > 0)
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{
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sf::sleep(sf::seconds(waitTime));
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m_lastFrameTime = clock.getElapsedTime().asSeconds();
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}
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}
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UnloadResource();
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DeInit();
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return true;
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}
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bool OpenglContext::Stop()
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{
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m_app.close();
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return true;
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}
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void OpenglContext::CenterMouse()
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{
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sf::Mouse::setPosition(sf::Vector2i(Width() / 2, Height() / 2), m_app);
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}
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int OpenglContext::Width() const
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{
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return m_app.getSize().x;
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}
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int OpenglContext::Height() const
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{
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return m_app.getSize().y;
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}
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void OpenglContext::SetMaxFps(int maxFps)
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{
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m_maxFps = maxFps;
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m_app.setFramerateLimit(maxFps);
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}
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int OpenglContext::GetMaxFps() const
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{
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return m_maxFps;
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}
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void OpenglContext::SetFullscreen(bool fullscreen)
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{
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if(m_fullscreen == fullscreen)
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return;
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m_fullscreen = !m_fullscreen;
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DeInit();
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InitWindow(Width(), Height());
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Init();
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}
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bool OpenglContext::IsFullscreen() const
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{
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return m_fullscreen;
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}
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void OpenglContext::MakeRelativeToCenter(int& x, int& y) const
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{
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x = x - (Width() / 2);
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y = y - (Height() / 2);
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}
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void OpenglContext::ShowCursor()
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{
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m_app.setMouseCursorVisible(true);
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}
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void OpenglContext::HideCursor()
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{
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m_app.setMouseCursorVisible(false);
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}
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void OpenglContext::ShowCrossCursor() const
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{
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}
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void OpenglContext::InitWindow(int width, int height)
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{
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m_app.create(sf::VideoMode(width, height, 32), m_title.c_str(), m_fullscreen ? sf::Style::Fullscreen : (sf::Style::Resize|sf::Style::Close), sf::ContextSettings(32, 8, 4));
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}
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OpenglContext::MOUSE_BUTTON OpenglContext::ConvertMouseButton(sf::Mouse::Button button) const
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{
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switch(button)
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{
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case sf::Mouse::Left:
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return MOUSE_BUTTON_LEFT;
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case sf::Mouse::Middle:
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return MOUSE_BUTTON_MIDDLE;
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case sf::Mouse::Right:
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return MOUSE_BUTTON_RIGHT;
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default:
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return MOUSE_BUTTON_NONE;
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}
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}
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