src/client/game.c

   1 #include <GL/glew.h>
   2 #include <GL/gl.h>
   3 #include <GLFW/glfw3.h>
   4 #include <stdio.h>
   5 #include <unistd.h>
   6 #include "client/camera.h"
   7 #include "client/client.h"
   8 #include "client/client_entity.h"
   9 #include "client/client_inventory.h"
  10 #include "client/client_item.h"
  11 #include "client/client_node.h"
  12 #include "client/client_player.h"
  13 #include "client/client_terrain.h"
  14 #include "client/debug_menu.h"
  15 #include "client/font.h"
  16 #include "client/frustum.h"
  17 #include "client/game.h"
  18 #include "client/opengl.h"
  19 #include "client/gui.h"
  20 #include "client/input.h"
  21 #include "client/interact.h"
  22 #include "client/sky.h"
  23 #include "client/window.h"
  24 #include "common/day.h"
  25 #include "common/interrupt.h"
  26
  27 #ifdef _WIN32
  28 #include <pthread_time.h>
  29 #endif
  30
  31 int game_fps = 0;
  32
  33 void game_render(f64 dtime)
  34 {
  35         glEnable(GL_DEPTH_TEST); GL_DEBUG
  36         glEnable(GL_BLEND); GL_DEBUG
  37         glEnable(GL_MULTISAMPLE); GL_DEBUG
  38         glEnable(GL_CULL_FACE); GL_DEBUG
  39
  40         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); GL_DEBUG
  41         glCullFace(GL_BACK); GL_DEBUG
  42         glFrontFace(GL_CCW); GL_DEBUG
  43
  44         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); GL_DEBUG
  45
  46         frustum_update();
  47         terrain_gfx_update();
  48         client_entity_gfx_update();
  49         client_inventory_update();
  50
  51         sky_render();
  52         model_scene_render(dtime);
  53         interact_render();
  54         gui_render();
  55 }
  56
  57 static void game_loop()
  58 {
  59         f64 fps_update_timer = 1.0f;
  60         unsigned int frames = 0;
  61
  62         struct timespec ts, ts_old;
  63         clock_gettime(CLOCK_REALTIME, &ts_old);
  64
  65         while (!glfwWindowShouldClose(window.handle) && !interrupt.set) {
  66                 clock_gettime(CLOCK_REALTIME, &ts);
  67                 f64 dtime = (f64) (ts.tv_sec - ts_old.tv_sec) + (f64) (ts.tv_nsec - ts_old.tv_nsec) / 1.0e9;
  68                 ts_old = ts;
  69
  70                 if ((fps_update_timer -= dtime) <= 0.0) {
  71                         debug_menu_changed(ENTRY_FPS);
  72                         game_fps = frames;
  73                         fps_update_timer += 1.0;
  74                         frames = 0;
  75                 }
  76
  77                 frames++;
  78
  79                 input_tick(dtime);
  80                 client_player_tick(dtime);
  81                 interact_tick();
  82
  83                 debug_menu_changed(ENTRY_TIME);
  84                 debug_menu_changed(ENTRY_DAYLIGHT);
  85                 debug_menu_changed(ENTRY_SUN_ANGLE);
  86                 debug_menu_update();
  87
  88                 game_render(dtime);
  89
  90                 glfwSwapBuffers(window.handle);
  91                 glfwPollEvents();
  92         }
  93 }
  94
  95 void game(Flag *gfx_init)
  96 {
  97         window_init();
  98         font_init();
  99         model_init();
 100         sky_init();
 101         terrain_gfx_init();
 102         client_entity_gfx_init();
 103         client_player_gfx_init();
 104         camera_init();
 105         gui_init();
 106         interact_init();
 107         client_item_init();
 108         client_inventory_init();
 109         client_node_init();
 110         client_terrain_start();
 111         debug_menu_init();
 112         input_init();
 113
 114         flag_set(gfx_init);
 115         game_loop();
 116
 117         client_terrain_stop();
 118         font_deinit();
 119         gui_deinit();
 120         model_deinit();
 121         sky_deinit();
 122         terrain_gfx_deinit();
 123         client_entity_gfx_deinit();
 124         client_player_gfx_deinit();
 125         interact_deinit();
 126         client_item_deinit();
 127         client_inventory_deinit();
 128 }
 129