int main(int argc, char **argv)
{
const char *progname = argv[0];
if(argc < 2) {
fprintf(stderr, "usage: %s filename # e.g. \"%s 64gon.builtin\"\n", progname, progname);
exit(EXIT_FAILURE);
}
const char *scene_filename = argv[1];
GLFWwindow* window;
glfwSetErrorCallback(ErrorCallback);
if(!glfwInit())
exit(EXIT_FAILURE);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_SAMPLES, 4);
window = glfwCreateWindow(gWindowWidth = 512, gWindowHeight = 512, "Spin", NULL, NULL);
if (!window) {
glfwTerminate();
fprintf(stdout, "Couldn't open main window\n");
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
InitializeGL();
bool success;
tie(success, gSceneRoot, gSceneController) = LoadScene(scene_filename);
if(!success) {
fprintf(stderr, "couldn't load scene from %s\n", scene_filename);
exit(EXIT_FAILURE);
}
InitializeScene(gSceneRoot);
if(gVerbose) {
printf("GL_RENDERER: %s\n", glGetString(GL_RENDERER));
printf("GL_VERSION: %s\n", glGetString(GL_VERSION));
}
gSceneController->Resize(gWindowWidth, gWindowHeight);
glfwSetKeyCallback(window, KeyCallback);
glfwSetMouseButtonCallback(window, ButtonCallback);
glfwSetCursorPosCallback(window, MotionCallback);
glfwSetScrollCallback(window, ScrollCallback);
glfwSetFramebufferSizeCallback(window, ResizeCallback);
glfwSetWindowRefreshCallback(window, DrawFrame);
gSceneStartTime = gScenePreviousTime = chrono::system_clock::now();
while (!glfwWindowShouldClose(window)) {
DrawFrame(window);
glfwSwapBuffers(window);
if(gStreamFrames)
glfwPollEvents();
else
glfwWaitEvents();
}
glfwTerminate();
}
static void ResizeCallback(GLFWwindow *window, int x, int y)
{
glfwGetFramebufferSize(window, &gWindowWidth, &gWindowHeight);
glViewport(0, 0, gWindowWidth, gWindowHeight);
gSceneController->Resize(gWindowWidth, gWindowHeight);
}