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() << "' in LevelTime object" << std::endl;
  31         }
  32     }
  33     if(time < 0)
  34       throw std::runtime_error("Invalid leveltime specified");
  35     time_left.start(time);
  36 }
  37
  38 LevelTime::~LevelTime()
  39 {}
  40
  41 void
  42 LevelTime::update(float )
  43 {
  44   if(time_left.check()) {
  45     Sector::current()->player->kill(Player::KILL);
  46   }
  47 }
  48
  49 void
  50 LevelTime::draw(DrawingContext& context)
  51 {
  52   context.push_transform();
  53   context.set_translation(Vector(0, 0));
  54
  55   char str[60];
  56
  57   if(get_remaining_time() < 0) {
  58     context.draw_text(white_text, _("TIME's UP"), Vector(SCREEN_WIDTH/2, BORDER_Y),
  59         CENTER_ALLIGN, LAYER_FOREGROUND1);
  60   } else if (get_remaining_time() > TIME_WARNING
  61       || int(game_time * 2.5) % 2) {
  62     snprintf(str, sizeof(str), " %d", int(get_remaining_time()));
  63     context.draw_text(white_text, _("TIME"),
  64         Vector(SCREEN_WIDTH/2, BORDER_Y), CENTER_ALLIGN, LAYER_FOREGROUND1);
  65     context.draw_text(gold_text, str, Vector(SCREEN_WIDTH/2 + 4*16, BORDER_Y),
  66                       CENTER_ALLIGN, LAYER_FOREGROUND1);
  67   }
  68
  69   context.pop_transform();
  70 }
  71
  72 float
  73 LevelTime::get_level_time()
  74 {
  75   if (!time_left.started())
  76     return final_level_time;
  77   return time_left.get_period();
  78 }
  79
  80 float
  81 LevelTime::get_remaining_time()
  82 {
  83   if (!time_left.started())
  84     return final_remaining_time;
  85   return time_left.get_timeleft();
  86 }
  87
  88 void
  89 LevelTime::stop()
  90 {
  91   final_level_time = time_left.get_period();
  92   final_remaining_time = time_left.get_timeleft();
  93   time_left.stop();
  94 }
  95
  96 IMPLEMENT_FACTORY(LevelTime, "leveltime");