webcart1000.js

   1 /* The person who associated a work with this deed has dedicated the
   2    work to the public domain by waiving all of his or her rights to
   3    the work worldwide under copyright law, including all related and
   4    neighboring rights, to the extent allowed by law.
   5
   6    You can copy, modify, distribute and perform the work, even for
   7    commercial purposes, all without asking permission.
   8 */
   9
  10 (function () {
  11     "use strict";
  12
  13     var ORIGIN = "http://yukkurigames.com";
  14     var TARGET = ORIGIN + "/webcart1000/o_o.html";
  15     var wc1kFrame;
  16     var wc1kWindow;
  17     var saveData;
  18     var _this = this;
  19
  20     function clamp (i, hi) { return Math.max(0, Math.min(hi, +i | 0)); }
  21     function force10 (i) { return clamp(i, 1023); }
  22     function force16 (i) { return clamp(i, 65535); }
  23     function forcebool (i) { return !!(+i || i === "true"); }
  24     function forcestr (s) { return (s || "").toString().substring(0, 1023); }
  25
  26     var KEYS = {
  27         MapX: force10, MapY: force10,
  28         PlayerName: forcestr,
  29         Misc0: force16, Misc1: force16, Misc2: force16, Misc3: force16,
  30         Switch0: forcebool, Switch1: forcebool,
  31         Switch2: forcebool, Switch3: forcebool,
  32         Switch4: forcebool, Switch5: forcebool,
  33         Switch6: forcebool, Switch7: forcebool
  34     };
  35
  36     function scrub (data) {
  37         if (typeof data !== "object")
  38             data = {};
  39         var r = {};
  40         for (var k in KEYS)
  41             r[k] = KEYS[k](data[k]);
  42         return r;
  43     }
  44
  45     function onMessage (event) {
  46         if (event.origin !== ORIGIN)
  47             return;
  48         wc1kWindow = event.source;
  49         _this.data = scrub(event.data);
  50     }
  51
  52     function refresh () {
  53         wc1kWindow.postMessage("refresh", ORIGIN);
  54     }
  55
  56     function update (data) {
  57         for (var k in data)
  58             _this.data[k] = data[k];
  59         _this.data = scrub(_this.data);
  60         wc1kWindow.postMessage(data || _this.data, ORIGIN);
  61     }
  62
  63     window.addEventListener("load", function () {
  64         window.addEventListener("message", onMessage, false);
  65         wc1kFrame = document.createElement('iframe');
  66         wc1kFrame.style.display = "none";
  67         wc1kFrame.src = TARGET;
  68         document.body.appendChild(wc1kFrame);
  69     }, false);
  70
  71     this.refresh = refresh;
  72     this.update = update;
  73     this.scrub = scrub;
  74 }).call(window.webcart1000 = {});