src/game/time.cpp

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00001 /******************************************************************************
00002  *  Wormux is a convivial mass murder game.
00003  *  Copyright (C) 2001-2004 Lawrence Azzoug.
00004  *
00005  *  This program is free software; you can redistribute it and/or modify
00006  *  it under the terms of the GNU General Public License as published by
00007  *  the Free Software Foundation; either version 2 of the License, or
00008  *  (at your option) any later version.
00009  *
00010  *  This program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *  GNU General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with this program; if not, write to the Free Software
00017  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
00018  ******************************************************************************
00019  *  Handle the game time. The game can be paused.
00020  *****************************************************************************/
00021 
00022 #include "time.h"
00023 #include <SDL.h>
00024 #include <sstream>
00025 #include <iomanip>
00026 #include <iostream>
00027 #include "../graphic/video.h"
00028 #include "../interface/game_msg.h"
00029 #include "../tool/math_tools.h"
00030 #include "../include/app.h"
00031 #include "../network/network.h"
00032 #include "../team/teams_list.h"
00033 #include "../game/game_loop.h"
00034 
00035 Time * Time::singleton = NULL;
00036 
00037 Time * Time::GetInstance() {
00038   if (singleton == NULL) {
00039     singleton = new Time();
00040   }
00041   return singleton;
00042 }
00043 
00044 bool Time::IsGamePaused() const {
00045   return is_game_paused;
00046 }
00047 
00048 Time::Time(){
00049   is_game_paused = false;
00050   delta_t = 20;
00051 }
00052 
00053 void Time::Reset(){
00054   current_time = 0;
00055   is_game_paused = false;
00056 }
00057 
00058 uint Time::Read() const{
00059   return current_time;
00060 }
00061 
00062 void Time::Refresh(){
00063   /*
00064   TODO : Activate this condition later.
00065   Refresh time condition :
00066   - active team is Local 
00067   - current node is server and game loop is not in Playing state
00068   - game don't use network
00069   if((ActiveTeam().IsLocal() || ActiveTeam().IsLocalAI()) ||
00070      (network.IsServer() && GameLoop::GetInstance()->ReadState() != GameLoop::PLAYING) ||
00071      (!network.IsServer() && !network.IsClient()) ||
00072      current_time < max_time)
00073   */
00074   current_time += delta_t;
00075   RefreshMaxTime(current_time);
00076 }
00077 
00078 void Time::RefreshMaxTime(uint updated_max_time){
00079   if(updated_max_time > max_time)
00080     max_time = updated_max_time;
00081 }
00082 
00083 uint Time::ReadSec() const{
00084   return Read() / 1000;
00085 }
00086 
00087 uint Time::ReadMin() const{
00088   return ReadSec() / 60;
00089 }
00090 
00091 uint Time::GetDelta() const{
00092   return delta_t;
00093 }
00094 
00095 void Time::Pause(){
00096   if (is_game_paused)
00097     return;
00098   is_game_paused = true;
00099 }
00100 
00101 void Time::Continue(){
00102   assert (is_game_paused);
00103   is_game_paused = false;
00104 }
00105 
00106 uint Time::ClockSec(){
00107   return ReadSec() % 60;
00108 }
00109 
00110 uint Time::ClockMin(){
00111   return ReadMin() % 60;
00112 }
00113 
00114 std::string Time::GetString(){
00115   std::ostringstream ss;
00116 
00117   ss << ClockMin() << ":" << std::setfill('0') << std::setw(2) << ClockSec();
00118   return ss.str();
00119 }

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