src/threads.cpp

   1 #include <pthread.h>
   2 #include <unistd.h>
   3 #include <signal.h>
   4 #include <sys/types.h>
   5 #include <GL/glut.h>
   6 #include "threads.h"
   7 #include "graphics.h"
   8 #include "game.h"
   9 using namespace std;
  10 void Threads::add_signal_handlers(){
  11         Game::log("Adding Signal Handlers");
  12         struct sigaction sa_sigterm;
  13         sa_sigterm.sa_handler = &signal_handler;
  14         sigaction(SIGTERM, &sa_sigterm, NULL);
  15         struct sigaction sa_sigint;
  16         sa_sigint.sa_handler = &signal_handler;
  17         sigaction(SIGINT, &sa_sigint, NULL);
  18 }
  19 void Threads::signal_handler(int signal_number){
  20         Game::log((string)"Got "+sys_siglist[signal_number]+" Signal, Exiting.");
  21         Game::save();
  22         exit(0);
  23 }
  24 void Threads::start(void *(*callback)(void *)){
  25         pthread_t thread_id;
  26         pthread_create(&thread_id, NULL, callback, NULL);
  27 }
  28 void *Threads::worldBackupThread(void *unused){
  29         Game::log("Starting World Backup");
  30         while(true){
  31                 sleep(BACKUP_INTERVAL);
  32                 Game::save();
  33         }
  34         return NULL;
  35 }
  36 void *Threads::graphicRedrawThread(void *unused){
  37         Game::log("Starting Graphic Redraw");
  38         while(true){
  39                 usleep(1);
  40                 if(glutGetWindow())
  41                         glutPostRedisplay();
  42         }
  43         return NULL;
  44 }
  45 void *Threads::modRuntimeThread(void *unused){
  46         Game::log("Starting Mod Runtime");
  47         while(true){
  48                 usleep(10);
  49                 // Mods::runtime();
  50         }
  51         return NULL;
  52 }
  53 void *Threads::entityPhysicsThread(void *unused){
  54         Game::log("Starting Entity Physics");
  55         while(true){
  56                 usleep(PHYSIC_TIME_TICK);
  57                 Entity::t += (double)PHYSIC_TIME_TICK / 1000000;
  58                 Entity::physics_all();
  59                 Graphics::ajustScroll();
  60         }
  61         return NULL;
  62 }