nuclear@1: #include <stdio.h>
nuclear@1: #include <stdlib.h>
nuclear@1: #include <SDL2/SDL.h>
nuclear@1: #include "opengl.h"
nuclear@1: #include "vport.h"
nuclear@1: 
nuclear@1: #define ANYPOS	SDL_WINDOWPOS_UNDEFINED
nuclear@1: 
nuclear@1: void display();
nuclear@1: bool handle_event(SDL_Event *ev);
nuclear@1: bool handle_key(int key, bool pressed);
nuclear@1: void reshape(int x, int y);
nuclear@1: 
nuclear@1: static SDL_Window *win;
nuclear@1: static SDL_GLContext ctx;
nuclear@1: 
nuclear@1: int main(int argc, char **argv)
nuclear@1: {
nuclear@1: 	if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) == -1) {
nuclear@1: 		fprintf(stderr, "failed to initialize SDL\n");
nuclear@1: 		return 1;
nuclear@1: 	}
nuclear@1: 
nuclear@1: 	unsigned int flags = SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE;
nuclear@1: 	if(!(win = SDL_CreateWindow("vrmodel", ANYPOS, ANYPOS, 1280, 800, flags))) {
nuclear@1: 		fprintf(stderr, "failed to create window\n");
nuclear@1: 		return 1;
nuclear@1: 	}
nuclear@1: 	if(!(ctx = SDL_GL_CreateContext(win))) {
nuclear@1: 		fprintf(stderr, "failed to create OpenGL context\n");
nuclear@1: 		SDL_Quit();
nuclear@1: 		return 1;
nuclear@1: 	}
nuclear@1: 
nuclear@1: 	for(;;) {
nuclear@1: 		SDL_Event ev;
nuclear@1: 		SDL_WaitEvent(&ev);
nuclear@1: 
nuclear@1: 		do {
nuclear@1: 			if(!handle_event(&ev)) {
nuclear@1: 				goto done;
nuclear@1: 			}
nuclear@1: 		} while(SDL_PollEvent(&ev));
nuclear@1: 
nuclear@1: 		display();
nuclear@1: 	}
nuclear@1: 
nuclear@1: done:
nuclear@1: 	SDL_Quit();
nuclear@1: 	return 0;
nuclear@1: }
nuclear@1: 
nuclear@1: void display()
nuclear@1: {
nuclear@1: 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
nuclear@1: 
nuclear@1: 	int width, height;
nuclear@1: 	SDL_GetWindowSize(win, &width, &height);
nuclear@1: 	glViewport(0, 0, width, height);
nuclear@1: 
nuclear@1: 	glMatrixMode(GL_PROJECTION);
nuclear@1: 	glLoadIdentity();
nuclear@1: 	gluPerspective(50.0, (float)width / (float)height, 0.5, 1000.0);
nuclear@1: 
nuclear@1: 	glMatrixMode(GL_MODELVIEW);
nuclear@1: 	glLoadIdentity();
nuclear@1: 	glTranslatef(0, 0, -10);
nuclear@1: 	glRotatef(25, 1, 0, 0);
nuclear@1: 
nuclear@1: 	draw_vport();
nuclear@1: 
nuclear@1: 	SDL_GL_SwapWindow(win);
nuclear@1: }
nuclear@1: 
nuclear@1: bool handle_event(SDL_Event *ev)
nuclear@1: {
nuclear@1: 	switch(ev->type) {
nuclear@1: 	case SDL_KEYDOWN:
nuclear@1: 	case SDL_KEYUP:
nuclear@1: 		return handle_key(ev->key.keysym.sym, ev->key.state == SDL_PRESSED);
nuclear@1: 
nuclear@1: 	default:
nuclear@1: 		break;
nuclear@1: 	}
nuclear@1: 
nuclear@1: 	return true;
nuclear@1: }
nuclear@1: 
nuclear@1: bool handle_key(int key, bool pressed)
nuclear@1: {
nuclear@1: 	if(pressed) {
nuclear@1: 		switch(key) {
nuclear@1: 		case 27:
nuclear@1: 			return false;
nuclear@1: 
nuclear@1: 		default:
nuclear@1: 			break;
nuclear@1: 		}
nuclear@1: 	}
nuclear@1: 	return true;
nuclear@1: }