src/object/level_time.cpp

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