// Generated by CoffeeScript 1.6.3
(function() {
  var add_level, blocks, break_walls, calculate_lightray, calculate_lights, canvas, colors, config, context, current_level, draw_hud, draw_level, draw_lights, draw_player, enemy_layer, illuminate, init_level, inventar, keymap, level, levels, load_level, main_loop, map_range, parse_levelentities, pixel, player, rect, reset_layers, shadow_layer, toxy, update_canvas, update_player_position, write,
    __indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };

  canvas = document.getElementById('canvas');

  context = canvas.getContext('2d');

  context.textAlign = 'center';

  config = {
    gamewin: false,
    gameover: false,
    pixelsize: 15,
    debug: false,
    lights: true,
    map: {
      width: 60,
      height: 40,
      origin: {
        x: 0,
        y: 50
      }
    }
  };

  player = {
    position: 0,
    lightrange: 10
  };

  blocks = {
    walkable: [1, 0, 4, 6, 7, 8],
    entities: [1, 2, 7, 5, 6, 8]
  };

  colors = {
    floor: '#eeeeee',
    wall: '#333333',
    player: '#850091',
    key: '#ffe91a',
    door: '#0883fd',
    exit: '#07fd0f',
    breakable: '#bf7d0b'
  };

  levels = [];

  current_level = 0;

  level = null;

  update_canvas = function() {
    canvas.width = config.map.width * config.pixelsize + config.map.origin.x;
    return canvas.height = config.map.height * config.pixelsize + config.map.origin.y;
  };

  update_canvas();

  toxy = function(position) {
    return {
      x: position % config.map.width,
      y: Math.floor(position / config.map.width)
    };
  };

  rect = function(x, y, w, h, color) {
    context.fillStyle = color;
    return context.fillRect(x, y, w, h);
  };

  pixel = function(position, w, h, color) {
    var x, y;
    x = config.pixelsize * toxy(position).x + config.map.origin.x;
    y = config.pixelsize * toxy(position).y + config.map.origin.y;
    return rect(x, y, w, h, color);
  };

  write = function(x, y, text, size, color) {
    context.textAlign = 'center';
    context.fillStyle = color;
    context.font = 'normal ' + size + 'pt Verdana';
    return context.fillText(text, x, y);
  };

  add_level = function(map) {
    return levels.push(map);
  };

  shadow_layer = enemy_layer = level = null;

  inventar = {
    key: false
  };

  draw_hud = function() {
    var color, i, name, _results;
    rect(0, 0, config.pixelsize * config.map.width, config.map.origin.y, '#222222');
    rect(0, config.map.origin.y - 2, config.pixelsize * config.map.width, 2, '#333333');
    i = 0;
    _results = [];
    for (name in inventar) {
      color = '#aaaaaa';
      if (inventar[name]) {
        color = colors[name];
      }
      rect(i * 43 + 15, 8, 25, 25, color);
      write(i * 43 + 15 + 12, 45, name, 7, color);
      _results.push(i++);
    }
    return _results;
  };

  add_level([3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 6, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 1, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 3, 3, 0, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 3, 3, 3, 0, 0, 0, 0, 3, 3, 3, 3, 0, 0, 0, 0, 3, 3, 3, 3, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 3, 3, 3, 0, 0, 0, 0, 3, 3, 3, 3, 0, 0, 0, 0, 3, 3, 3, 3, 0, 0, 3, 3, 0, 0, 0, 3, 3, 3, 0, 0, 0, 3, 3, 3, 0, 0, 0, 3, 3, 3, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 0, 0, 0, 3, 3, 3, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 3, 3, 3, 0, 0, 3, 3, 0, 0, 0, 3, 3, 3, 0, 0, 0, 3, 3, 3, 0, 0, 0, 3, 3, 3, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 3, 3, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 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  add_level([3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 3, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 3, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 3, 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5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 0, 6, 0, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 0, 0, 0, 0, 0, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 0, 0, 0, 5, 5, 5, 5, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 0, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 0, 5, 5, 5, 5, 5, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 5, 5, 5, 5, 5, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3]);

  add_level([3, 3, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 5, 5, 3, 3, 3, 3, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 3, 3, 3, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 6, 3, 0, 3, 6, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 3, 0, 1, 0, 3, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 8, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 8, 0, 0, 3, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 3, 3, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 8, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 3, 3, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 8, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 8, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 3, 0, 0, 3, 3, 3, 3, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 5, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 3, 3, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 3, 3, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 3, 3, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 3, 3, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 3, 3, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 0, 3, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 3, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 8, 0, 0, 0, 0, 0, 3, 0, 0, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 3, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 3, 3, 3, 3, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 3, 3]);

  draw_level = function(level) {
    var block, color, position, _i, _len, _results;
    _results = [];
    for (position = _i = 0, _len = level.length; _i < _len; position = ++_i) {
      block = level[position];
      switch (block) {
        case 0:
          color = colors.floor;
          break;
        case 3:
          color = colors.wall;
          break;
        case 1:
          color = colors.key;
          break;
        case 2:
          color = colors.door;
          break;
        case 7:
          color = colors.exit;
          break;
        case 5:
          color = colors.breakable;
      }
      _results.push(pixel(position, config.pixelsize, config.pixelsize, color));
    }
    return _results;
  };

  reset_layers = function() {
    var _i, _j, _ref, _ref1, _results, _results1;
    shadow_layer = (function() {
      _results = [];
      for (var _i = 0, _ref = config.map.width * config.map.height; 0 <= _ref ? _i <= _ref : _i >= _ref; 0 <= _ref ? _i++ : _i--){ _results.push(_i); }
      return _results;
    }).apply(this).map(function() {
      return 0;
    });
    return enemy_layer = (function() {
      _results1 = [];
      for (var _j = 0, _ref1 = config.map.width * config.map.height; 0 <= _ref1 ? _j <= _ref1 : _j >= _ref1; 0 <= _ref1 ? _j++ : _j--){ _results1.push(_j); }
      return _results1;
    }).apply(this).map(function() {
      return 0;
    });
  };

  init_level = function() {
    var _i, _ref, _results;
    level = (function() {
      _results = [];
      for (var _i = 0, _ref = config.map.width * config.map.height; 0 <= _ref ? _i <= _ref : _i >= _ref; 0 <= _ref ? _i++ : _i--){ _results.push(_i); }
      return _results;
    }).apply(this).map(function() {
      return 0;
    });
    return inventar.key = false;
  };

  load_level = function(number) {
    if (number === levels.length) {
      return config.gamewin = true;
    } else {
      init_level();
      level = levels[number];
      return parse_levelentities(level);
    }
  };

  update_player_position = function() {
    var new_position, _ref;
    new_position = player.position;
    if (keymap[37] && toxy(player.position).x > 0) {
      new_position = new_position - 1;
    }
    if (keymap[39] && toxy(player.position).x < config.map.width - 1) {
      new_position = new_position + 1;
    }
    if (keymap[38] && toxy(player.position).y > 0) {
      new_position = new_position - config.map.width;
    }
    if (keymap[40] && toxy(player.position).y < config.map.height - 1) {
      new_position = new_position + config.map.width;
    }
    switch (level[new_position]) {
      case 7:
        current_level++;
        load_level(current_level);
        return;
      case 2:
        if (inventar.key) {
          inventar.key = false;
          level[new_position] = 0;
        }
        break;
      case 1:
        inventar.key = true;
        level[new_position] = 0;
    }
    if (enemy_layer[new_position] > 0 && !config.debug) {
      config.gameover = true;
    }
    if (_ref = level[new_position], __indexOf.call(blocks.walkable, _ref) >= 0) {
      return player.position = new_position;
    }
  };

  draw_player = function(position) {
    return pixel(position, config.pixelsize, config.pixelsize, colors.player);
  };

  map_range = function(from, to, s) {
    return to[0] + (s - from[0]) * (to[1] - to[0]) / (from[1] - from[0]);
  };

  calculate_lightray = function(x1, y1, x2, y2, type) {
    var dx, dy, hit_wall, pixel_x1, pixel_x2, pixel_y1, pixel_y2, s, selected_layer, t, _ref, _results;
    switch (type) {
      case 'enemy':
        selected_layer = enemy_layer;
        break;
      default:
        selected_layer = shadow_layer;
    }
    pixel_x1 = x1 * config.pixelsize + (config.pixelsize / 2);
    pixel_y1 = y1 * config.pixelsize + (config.pixelsize / 2);
    pixel_x2 = x2 * config.pixelsize + (config.pixelsize / 2);
    pixel_y2 = y2 * config.pixelsize + (config.pixelsize / 2);
    dx = Math.abs(pixel_x1 - pixel_x2);
    dy = Math.abs(pixel_y1 - pixel_y2);
    s = 0.99 / (dx > dy ? dx : dy);
    t = 0.0;
    if (config.debug) {
      context.beginPath();
      context.strokeStyle = 'blue';
      context.moveTo(pixel_x1 + config.map.origin.x, pixel_y1 + config.map.origin.y);
      context.lineTo(pixel_x2 + config.map.origin.x, pixel_y2 + config.map.origin.y);
      context.stroke();
    }
    hit_wall = false;
    _results = [];
    while (t < 1.0) {
      dx = Math.round((1.0 - t) * pixel_x1 + t * pixel_x2);
      dy = Math.round((1.0 - t) * pixel_y1 + t * pixel_y2);
      dx = Math.floor(dx / config.pixelsize);
      dy = Math.floor(dy / config.pixelsize);
      if (level[dy * config.map.width + dx] === 0) {
        if (hit_wall && !config.debug) {
          break;
        }
        if (selected_layer[dy * config.map.width + dx] === 0) {
          if (t > 0.5) {
            selected_layer[dy * config.map.width + dx] += map_range([0.5, 1], [1, 0], t);
          } else {
            selected_layer[dy * config.map.width + dx] += 1;
          }
        }
      } else if (level[dy * config.map.width + dx] === 3) {
        if (type === 'enemy') {
          break;
        }
        if (t > 0.5) {
          selected_layer[dy * config.map.width + dx] += map_range([0.5, 1], [1, 0], t);
        } else {
          selected_layer[dy * config.map.width + dx] += 1;
        }
        hit_wall = true;
      } else if (_ref = level[dy * config.map.width + dx], __indexOf.call(blocks.entities, _ref) >= 0) {
        if (t > 0.5) {
          selected_layer[dy * config.map.width + dx] += map_range([0.5, 1], [1, 0], t);
        } else {
          selected_layer[dy * config.map.width + dx] += 1;
        }
        if (!config.debug && level[dy * config.map.width + dx] !== 1 && level[dy * config.map.width + dx] !== 8) {
          break;
        }
      } else {
        selected_layer[dy * config.map.width + dx] = .5;
        if (!config.debug) {
          break;
        }
      }
      _results.push(t += s);
    }
    return _results;
  };

  illuminate = function(x1, y1, range, type) {
    var r, x2, y2, _results;
    if (type == null) {
      type = 'shadow';
    }
    r = 0;
    _results = [];
    while (r < Math.PI * 2) {
      x2 = range * Math.cos(r) + x1;
      y2 = range * Math.sin(r) + y1;
      calculate_lightray(x1, y1, x2, y2, type);
      _results.push(r += 0.03);
    }
    return _results;
  };

  calculate_lights = function() {
    var block, position, _i, _len, _results;
    illuminate(toxy(player.position).x, toxy(player.position).y, player.lightrange);
    _results = [];
    for (position = _i = 0, _len = level.length; _i < _len; position = ++_i) {
      block = level[position];
      switch (block) {
        case 8:
          _results.push(illuminate(toxy(position).x, toxy(position).y, 4, 'enemy'));
          break;
        default:
          _results.push(void 0);
      }
    }
    return _results;
  };

  draw_lights = function(type) {
    var alpha, brightness, color, position, selected_layer, _i, _len, _ref, _results;
    switch (type) {
      case 'enemy':
        color = '255, 0, 0';
        selected_layer = enemy_layer;
        break;
      default:
        color = '0, 0, 0';
        selected_layer = shadow_layer;
    }
    _results = [];
    for (position = _i = 0, _len = selected_layer.length; _i < _len; position = ++_i) {
      brightness = selected_layer[position];
      switch (type) {
        case 'enemy':
          alpha = brightness * .5;
          break;
        default:
          alpha = 1 - brightness;
      }
      if (_ref = level[position], __indexOf.call(blocks.entities, _ref) >= 0) {
        if (alpha < 0.4) {
          alpha = 0;
        }
      }
      _results.push(pixel(position, config.pixelsize, config.pixelsize, 'rgba(' + color + ', ' + alpha + ')'));
    }
    return _results;
  };

  break_walls = function(position) {
    if (level[position - 1] === 5 || config.debug) {
      level[position - 1] = 0;
    }
    if (level[position + 1] === 5 || config.debug) {
      level[position + 1] = 0;
    }
    if (level[position - config.map.width] === 5 || config.debug) {
      level[position - config.map.width] = 0;
    }
    if (level[position + config.map.width] === 5 || config.debug) {
      return level[position + config.map.width] = 0;
    }
  };

  keymap = [];

  addEventListener('keydown', function(event) {
    keymap[event.keyCode] = true;
    if (event.keyCode === 187) {
      config.pixelsize += 2;
      update_canvas();
    }
    if (event.keyCode === 189) {
      config.pixelsize -= 2;
      update_canvas();
    }
    if (event.keyCode === 68) {
      config.debug = !config.debug;
    }
    if (event.keyCode === 32) {
      break_walls(player.position);
    }
    if (event.keyCode === 76) {
      return config.lights = !config.lights;
    }
  });

  addEventListener('keyup', function(event) {
    return keymap[event.keyCode] = false;
  });

  parse_levelentities = function() {
    var block, position, _i, _len, _results;
    _results = [];
    for (position = _i = 0, _len = level.length; _i < _len; position = ++_i) {
      block = level[position];
      switch (block) {
        case 4:
          player.position = position;
          _results.push(level[position] = 0);
          break;
        default:
          _results.push(void 0);
      }
    }
    return _results;
  };

  load_level(current_level);

  main_loop = function() {
    if (config.gamewin) {
      rect(0, 0, config.map.width * config.pixelsize, config.map.height * config.pixelsize + config.map.origin.y, '#ffffff');
      write(250, 100, 'You won, awesome!', 20, '#000000');
    } else if (config.gameover) {
      rect(0, 0, config.map.width * config.pixelsize, config.map.height * config.pixelsize + config.map.origin.y, '#ff0000');
      write(150, 100, 'Oh noes!', 20, '#ffffff');
    } else {
      reset_layers();
      calculate_lights();
      draw_level(level);
      update_player_position();
      if (config.lights) {
        draw_lights('shadow');
        draw_lights('enemy');
      }
      draw_player(player.position);
      draw_hud();
    }
    return setTimeout(main_loop, 50);
  };

  main_loop();

}).call(this);