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/** ---------------------------------------------------------------------------
* -*- c++ -*-
* @file: window.cpp
*
* Copyright (c) 2017 Yann Herklotz Grave <ymherklotz@gmail.com>
* MIT License, see LICENSE file for more details.
* ----------------------------------------------------------------------------
*/
#include "window.h"
#include "../data/input.h"
#include <GLFW/glfw3.h>
#include <glad/glad.h>
#include <stdexcept>
using std::runtime_error;
namespace yage
{
namespace
{
void key_callback(GLFWwindow *window, int key, int scanCode, int action,
int mods)
{
}
void framebuffer_size_callback(GLFWwindow *window, int width, int height)
{
glViewport(0, 0, width, height);
}
} // namespace
Window::~Window()
{
glfwDestroyWindow(window_);
}
void Window::create(std::string window_name, int width, int height)
{
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 5);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
window_ =
glfwCreateWindow(width, height, window_name.c_str(), nullptr, nullptr);
if (window_ == nullptr) {
throw runtime_error("GLFW Window creation failed");
}
// initialize the gl context
glfwMakeContextCurrent(window_);
// initialize glad
gladLoadGLLoader((GLADloadproc)glfwGetProcAddress);
// set key callback
glfwSetKeyCallback(window_, key_callback);
// set resize callback
glfwSetFramebufferSizeCallback(window_, framebuffer_size_callback);
// set vsync on
glfwSwapInterval(1);
// set alpha blending
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
void Window::swapBuffer()
{
// swap the window buffer
glfwSwapBuffers(window_);
}
void Window::clearBuffer()
{
// set the clear colour to black
glClearColor(0.18f, 0.18f, 0.18f, 1.f);
// set the clear depth
glClearDepth(1.f);
// clears buffer with clear colour
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
void Window::hide()
{
glfwHideWindow(window_);
}
void Window::show()
{
glfwShowWindow(window_);
}
bool Window::shouldClose()
{
return glfwWindowShouldClose(window_);
}
void Window::pollEvents() const
{
glfwPollEvents();
}
bool Window::keyPressed(key k) const
{
if (window_ == nullptr) {
throw runtime_error("Window is not initialized");
}
if (glfwGetKey(window_, static_cast<int>(k)) == GLFW_PRESS) {
return true;
}
return false;
}
} // namespace yage
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