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/gl_debug.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 "day.h"
  25 #include "interrupt.h"
  26
  27 int game_fps = 0;
  28
  29 void game_render(f64 dtime)
  30 {
  31         glEnable(GL_DEPTH_TEST); GL_DEBUG
  32         glEnable(GL_BLEND); GL_DEBUG
  33         glEnable(GL_MULTISAMPLE); GL_DEBUG
  34         glEnable(GL_CULL_FACE); GL_DEBUG
  35
  36         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); GL_DEBUG
  37         glCullFace(GL_BACK); GL_DEBUG
  38         glFrontFace(GL_CCW); GL_DEBUG
  39
  40         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); GL_DEBUG
  41
  42         frustum_update();
  43         terrain_gfx_update();
  44         client_entity_gfx_update();
  45         client_inventory_update();
  46
  47         sky_render();
  48         model_scene_render(dtime);
  49         interact_render();
  50         gui_render();
  51 }
  52
  53 static void game_loop()
  54 {
  55         f64 fps_update_timer = 1.0f;
  56         unsigned int frames = 0;
  57
  58         struct timespec ts, ts_old;
  59         clock_gettime(CLOCK_REALTIME, &ts_old);
  60
  61         while (!glfwWindowShouldClose(window.handle) && !interrupt.set) {
  62                 clock_gettime(CLOCK_REALTIME, &ts);
  63                 f64 dtime = (f64) (ts.tv_sec - ts_old.tv_sec) + (f64) (ts.tv_nsec - ts_old.tv_nsec) / 1.0e9;
  64                 ts_old = ts;
  65
  66                 if ((fps_update_timer -= dtime) <= 0.0) {
  67                         debug_menu_changed(ENTRY_FPS);
  68                         game_fps = frames;
  69                         fps_update_timer += 1.0;
  70                         frames = 0;
  71                 }
  72
  73                 frames++;
  74
  75                 input_tick(dtime);
  76                 client_player_tick(dtime);
  77                 interact_tick();
  78
  79                 debug_menu_changed(ENTRY_TIME);
  80                 debug_menu_changed(ENTRY_DAYLIGHT);
  81                 debug_menu_changed(ENTRY_SUN_ANGLE);
  82                 debug_menu_update();
  83
  84                 game_render(dtime);
  85
  86                 glfwSwapBuffers(window.handle);
  87                 glfwPollEvents();
  88         }
  89 }
  90
  91 void game(Flag *gfx_init)
  92 {
  93         window_init();
  94         font_init();
  95         model_init();
  96         sky_init();
  97         terrain_gfx_init();
  98         client_entity_gfx_init();
  99         client_player_gfx_init();
 100         camera_init();
 101         gui_init();
 102         interact_init();
 103         client_item_init();
 104         client_inventory_init();
 105         client_node_init();
 106         client_terrain_start();
 107         debug_menu_init();
 108         input_init();
 109
 110         flag_set(gfx_init);
 111         game_loop();
 112
 113         client_terrain_stop();
 114         font_deinit();
 115         gui_deinit();
 116         model_deinit();
 117         sky_deinit();
 118         terrain_gfx_deinit();
 119         client_entity_gfx_deinit();
 120         client_player_gfx_deinit();
 121         interact_deinit();
 122         client_item_deinit();
 123         client_inventory_deinit();
 124 }
 125