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#include <iostream>
#define GLFW_INCLUDE_NONE
#include <GLFW/glfw3.h>
#include <glbinding/ContextInfo.h>
#include <glbinding/Version.h>
#include <glbinding/callbacks.h>
#include <glbinding/logging.h>
#include <glbinding/Binding.h>
#include <glbinding/gl/gl.h>
#include "../cubescape/CubeScape.h"
#include "../cubescape/glutils.h"
#include <thread>
#include <fstream>
#include <sstream>
using namespace gl;
using namespace glbinding;
namespace
{
CubeScape * cubescape(nullptr);
}
void error(int errnum, const char * errmsg)
{
std::cerr << errnum << ": " << errmsg << std::endl;
}
void framebuffer_size_callback(GLFWwindow * /*window*/, int width, int height)
{
cubescape->resize(width, height);
}
void key_callback(GLFWwindow * window, int key, int /*scancode*/, int action, int /*mods*/)
{
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
glfwSetWindowShouldClose(window, 1);
bool numCubesChanged = false;
if (key == GLFW_KEY_I && (action == GLFW_PRESS || action == GLFW_REPEAT))
{
cubescape->setNumCubes(cubescape->numCubes() + 1);
numCubesChanged = true;
}
if (key == GLFW_KEY_D && (action == GLFW_PRESS || action == GLFW_REPEAT))
{
cubescape->setNumCubes(cubescape->numCubes() - 1);
numCubesChanged = true;
}
if (numCubesChanged)
{
const int n = cubescape->numCubes();
std::cout << "#cubes = " << n << " * " << n << " = " << n * n << std::endl;
}
}
int main(int, char *[])
{
if (!glfwInit())
return 1;
glfwSetErrorCallback(error);
glfwDefaultWindowHints();
#ifdef SYSTEM_DARWIN
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, true);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#endif
GLFWwindow * window = glfwCreateWindow(640, 480, "CubeScape", nullptr, nullptr);
if (!window)
{
glfwTerminate();
return -1;
}
glfwSetKeyCallback(window, key_callback);
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
glfwMakeContextCurrent(window);
Binding::initialize(false); // only resolve functions that are actually used (lazy)
// Logging start
logging::start();
// print some gl infos (query)
std::cout << std::endl
<< "OpenGL Version: " << ContextInfo::version() << std::endl
<< "OpenGL Vendor: " << ContextInfo::vendor() << std::endl
<< "OpenGL Renderer: " << ContextInfo::renderer() << std::endl;
std::cout << std::endl
<< "Press i or d to either increase or decrease number of cubes." << std::endl << std::endl;
cubescape = new CubeScape();
int width, height; glfwGetFramebufferSize(window, &width, &height);
cubescape->resize(width, height);
while (!glfwWindowShouldClose(window))
{
glfwPollEvents();
cubescape->draw();
glfwSwapBuffers(window);
}
delete cubescape;
cubescape = nullptr;
// Logging end
logging::stop();
glfwTerminate();
return 0;
}
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