src/object/level_time.cpp

   1 #include <config.h>
   2
   3 #include "level_time.hpp"
   4
   5 #include <stdexcept>
   6 #include <iostream>
   7 #include "main.hpp"
   8 #include "resources.hpp"
   9 #include "sector.hpp"
  10 #include "gettext.hpp"
  11 #include "object_factory.hpp"
  12 #include "object/player.hpp"
  13 #include "video/drawing_context.hpp"
  14 #include "lisp/list_iterator.hpp"
  15 #include "msg.hpp"
  16
  17 /** When to alert player they're low on time! */
  18 static const float TIME_WARNING = 20;
  19
  20 LevelTime::LevelTime(const lisp::Lisp& reader)
  21 : final_level_time(0.f), final_remaining_time(0.f)
  22 {
  23     float time = -1;
  24     lisp::ListIterator iter(&reader);
  25     while(iter.next()) {
  26         if(iter.item() == "time") {
  27             iter.value()->get(time);
  28             break;
  29         } else {
  30             msg_warning("Unknown token '" << iter.item()
  31                       << "' in LevelTime object");
  32         }
  33     }
  34     if(time < 0)
  35       throw std::runtime_error("Invalid leveltime specified");
  36     time_left.start(time);
  37 }
  38
  39 LevelTime::~LevelTime()
  40 {}
  41
  42 void
  43 LevelTime::update(float )
  44 {
  45   if(time_left.check()) {
  46     Sector::current()->player->kill(Player::KILL);
  47   }
  48 }
  49
  50 void
  51 LevelTime::draw(DrawingContext& context)
  52 {
  53   context.push_transform();
  54   context.set_translation(Vector(0, 0));
  55
  56   char str[60];
  57
  58   if(get_remaining_time() < 0) {
  59     context.draw_text(white_text, _("TIME's UP"), Vector(SCREEN_WIDTH/2, BORDER_Y),
  60         CENTER_ALLIGN, LAYER_FOREGROUND1);
  61   } else if (get_remaining_time() > TIME_WARNING
  62       || int(game_time * 2.5) % 2) {
  63     snprintf(str, sizeof(str), " %d", int(get_remaining_time()));
  64     context.draw_text(white_text, _("TIME"),
  65         Vector(SCREEN_WIDTH/2, BORDER_Y), CENTER_ALLIGN, LAYER_FOREGROUND1);
  66     context.draw_text(gold_text, str, Vector(SCREEN_WIDTH/2 + 4*16, BORDER_Y),
  67                       CENTER_ALLIGN, LAYER_FOREGROUND1);
  68   }
  69
  70   context.pop_transform();
  71 }
  72
  73 float
  74 LevelTime::get_level_time()
  75 {
  76   if (!time_left.started())
  77     return final_level_time;
  78   return time_left.get_period();
  79 }
  80
  81 float
  82 LevelTime::get_remaining_time()
  83 {
  84   if (!time_left.started())
  85     return final_remaining_time;
  86   return time_left.get_timeleft();
  87 }
  88
  89 void
  90 LevelTime::stop()
  91 {
  92   final_level_time = time_left.get_period();
  93   final_remaining_time = time_left.get_timeleft();
  94   time_left.stop();
  95 }
  96
  97 IMPLEMENT_FACTORY(LevelTime, "leveltime");