src/client/window.c

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