src/client/window.c

   1 #include <stdio.h>
   2 #include <GL/glew.h>
   3 #include <GL/gl.h>
   4 #include "client/client_config.h"
   5 #include "client/debug_menu.h"
   6 #include "client/game.h"
   7 #include "client/gui.h"
   8 #include "client/input.h"
   9 #include "client/scene.h"
  10 #include "client/window.h"
  11 #include "util.h"
  12
  13 struct Window window;
  14
  15 static void framebuffer_size_callback(unused GLFWwindow *handle, int width, int height)
  16 {
  17         glViewport(0, 0, width, height);
  18
  19         if (! window.fullscreen) {
  20                 window.small_bounds.width = width;
  21                 window.small_bounds.height = height;
  22         }
  23
  24         scene_on_resize(width, height);
  25         gui_on_resize(width, height);
  26         game_on_resize(width, height);
  27 }
  28
  29 static void cursor_pos_callback(unused GLFWwindow *handle, double current_x, double current_y)
  30 {
  31         input_on_cursor_pos(current_x, current_y);
  32 }
  33
  34 static void window_pos_callback(unused GLFWwindow *handle, int x, int y)
  35 {
  36         if (! window.fullscreen) {
  37                 window.small_bounds.x = x;
  38                 window.small_bounds.y = y;
  39         }
  40 }
  41
  42 void window_enter_fullscreen()
  43 {
  44         window.fullscreen = true;
  45         GLFWmonitor *monitor = glfwGetPrimaryMonitor();
  46         const GLFWvidmode *vidmode = glfwGetVideoMode(monitor);
  47         glfwSetWindowMonitor(window.handle, monitor, 0, 0, vidmode->width, vidmode->height, 0);
  48
  49         debug_menu_update_fullscreen();
  50 }
  51
  52 void window_exit_fullscreen()
  53 {
  54         window.fullscreen = false;
  55         glfwSetWindowMonitor(window.handle, NULL, window.small_bounds.x, window.small_bounds.y, window.small_bounds.width, window.small_bounds.height, 0);
  56
  57         debug_menu_update_fullscreen();
  58 }
  59
  60 bool window_init(int width, int height)
  61 {
  62         if(! glfwInit()) {
  63                 fprintf(stderr, "Failed to initialize GLFW\n");
  64                 return false;
  65         }
  66
  67         glfwWindowHint(GLFW_SAMPLES, client_config.antialiasing);
  68         glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
  69         glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
  70         glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
  71
  72         window.handle = glfwCreateWindow(width, height, "Dragonblocks", NULL, NULL);
  73
  74         window.small_bounds.width = width;
  75         window.small_bounds.height = height;
  76
  77         if (! window.handle) {
  78                 fprintf(stderr, "Failed to create window\n");
  79                 glfwTerminate();
  80                 return false;
  81         }
  82
  83         glfwMakeContextCurrent(window.handle);
  84
  85         if (glewInit() != GLEW_OK) {
  86                 fprintf(stderr, "Failed to initialize GLEW\n");
  87                 return false;
  88         }
  89
  90         glfwSetFramebufferSizeCallback(window.handle, &framebuffer_size_callback);
  91         glfwSetCursorPosCallback(window.handle, &cursor_pos_callback);
  92         glfwSetWindowPosCallback(window.handle, &window_pos_callback);
  93
  94         return true;
  95 }