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
  16 /** When to alert player they're low on time! */
  17 static const float TIME_WARNING = 20;
  18
  19 LevelTime::LevelTime(const lisp::Lisp& reader)
  20 {
  21     float time = -1;
  22     lisp::ListIterator iter(&reader);
  23     while(iter.next()) {
  24         if(iter.item() == "time") {
  25             iter.value()->get(time);
  26             break;
  27         } else {
  28             std::cerr << "Unknown token '" << iter.item()
  29                       << "' in LevelTime object.\n";
  30         }
  31     }
  32     if(time < 0)
  33       throw std::runtime_error("Invalid leveltime specified");
  34     time_left.start(time);
  35 }
  36
  37 LevelTime::~LevelTime()
  38 {}
  39
  40 void
  41 LevelTime::update(float )
  42 {
  43   if(time_left.check()) {
  44     Sector::current()->player->kill(Player::KILL);
  45   }
  46 }
  47
  48 void
  49 LevelTime::draw(DrawingContext& context)
  50 {
  51   context.push_transform();
  52   context.set_translation(Vector(0, 0));
  53
  54   char str[60];
  55
  56   if(time_left.get_timeleft() < 0) {
  57     context.draw_text(white_text, _("TIME's UP"), Vector(SCREEN_WIDTH/2, 0),
  58         CENTER_ALLIGN, LAYER_FOREGROUND1);
  59   } else if (time_left.get_timeleft() > TIME_WARNING
  60       || int(game_time * 2.5) % 2) {
  61     snprintf(str, sizeof(str), " %d", int(time_left.get_timeleft()));
  62     context.draw_text(white_text, _("TIME"),
  63         Vector(SCREEN_WIDTH/2, 0), CENTER_ALLIGN, LAYER_FOREGROUND1);
  64     context.draw_text(gold_text, str, Vector(SCREEN_WIDTH/2 + 4*16, 0),
  65                       CENTER_ALLIGN, LAYER_FOREGROUND1);
  66   }
  67
  68   context.pop_transform();
  69 }
  70
  71 IMPLEMENT_FACTORY(LevelTime, "leveltime");