☰

BvS Mahjong

Plays BvS Mahjong according to the "Level Two Strat"

  1. // ==UserScript==
  2. // @name                BvS Mahjong
  3. // @namespace           taltamir
  4. // @description         Plays BvS Mahjong according to the "Level Two Strat"
  5. // @include             http*://*animecubed.com/billy/bvs/partyhouse-mahjongplay.html
  6. // @include             http*://*animecubedgaming.com/billy/bvs/partyhouse-mahjongplay.html
  7. // @version             2.1
  8. // @history             2.1 New domain - animecubedgaming.com - Channel28
  9. // @history             2.0 Now https compatible (Updated by Channel28)
  10. // @history             1.9 Rewrote dom parsing (by North)
  11. // @history             1.8 Prevents "you are playing too fast" and slowdowns (by taltamir).
  12. // @history             1.7 Chrome compatibility (by taltamir).
  13. // @history             1.06 Works again (McM changed the Dora mouseover); last version by Garyzx
  14. // @history             1.05 Hotkey now works for "Go to Next Round"
  15. // @history             1.04 Add hotkey ('d')
  16. // @history             1.03 Detect winds, dora, reach
  17. // @history             1.02 Added script updater
  18. // @history             1.01 Less fail
  19. // @history             1.00 Initial version by Garyzx
  20. // @grant               none
  21. // ==/UserScript==
  22.  
  23. (function () {
  24.     var tiles = [], amount = {};
  25.     var yWind, tWind, doras;
  26.  
  27.     function Tile(node) {
  28.         this.id = node.children[0].src.match(/[A-Z0-9]+(?=.gif)/)[0];
  29.         this.inputId = node.htmlFor;
  30.         this.name = node.textContent;
  31.         if (this.name[1] === "-") {
  32.             this.value = Number(this.name[0]);
  33.             this.suit = this.name.substr(2);
  34.         } else {
  35.             this.value = this.name;
  36.             if (this.value === "Red" || this.value === "White" || this.value === "Green") {
  37.                 this.suit = "dragon";
  38.             } else {
  39.                 this.suit = "wind";
  40.             }
  41.         }
  42.         this.amount = function (offset) {
  43.             if (offset === 0) {
  44.                 return amount[this.name];
  45.             }
  46.             if (this.suit === "dragon" || this.suit === "wind") {
  47.                 return 0;
  48.             }
  49.             var n = this.value + offset;
  50.             if (n < 1 || n > 9) {
  51.                 return 0;
  52.             }
  53.             if (!amount[n + "-" + this.suit]) {
  54.                 amount[n + "-" + this.suit] = 0;
  55.             }
  56.             return amount[n + "-" + this.suit];
  57.         };
  58.     }
  59.  
  60.     function find(id) {
  61.         return document.evaluate("//img[@height='32'][contains(@src,'" + id + ".gif')]", document, null, 7, null).snapshotLength;
  62.     }
  63.  
  64.     function match(array, arrays) {
  65.         var i, j;
  66.         for (i = 0; i < arrays.length; i++) {
  67.             var good = true;
  68.             for (j = 0; j < arrays[i].length; j++) {
  69.                 if (array[j] !== arrays[i][j] && arrays[i][j] !== -1 && !(arrays[i][j] === 1.5 && array[j] > 0)) {
  70.                     good = false;
  71.                 }
  72.             }
  73.             if (good) {
  74.                 return true;
  75.             }
  76.         }
  77.         return false;
  78.     }
  79.  
  80.     function init() {
  81.         var i;
  82.         var matches = document.evaluate('//label[img]', document, null, 7, null);
  83.         if (!matches.snapshotLength) {
  84.             return false;
  85.         }
  86.         for (i = 0; i < matches.snapshotLength; i++) {
  87.             tiles[i] = new Tile(matches.snapshotItem(i));
  88.             if (amount[tiles[i].name] > 0) {
  89.                 amount[tiles[i].name]++;
  90.             } else {
  91.                 amount[tiles[i].name] = 1;
  92.             }
  93.         }
  94.         yWind = document.evaluate("//td/b[contains(text(),'You (')]", document, null, 7, null).snapshotItem(0).textContent[5];
  95.         try {
  96.             tWind = document.evaluate("//td/b/b/i[contains(text(),'Tiles Left')]", document, null, 7, null).snapshotItem(0).parentNode.parentNode.firstChild.textContent[0];
  97.         } catch (e) {
  98.             tWind = 'E';
  99.         }
  100.         var dorasTitle = document.evaluate("//td/b/span/b[contains(text(),'Dora Indicators:')]", document, null, 7, null).snapshotItem(0).parentNode.title;
  101.         doras = dorasTitle.slice(91, dorasTitle.indexOf('] offsetx') - 1);
  102.         doras = doras.split(/\s/);
  103.         return true;
  104.     }
  105.  
  106.     function selectTiles() {
  107.         var i, n, neighbors, results = [];
  108.         var reaches = document.evaluate("//td/font/b/i", document, null, 7, null);
  109.         if (reaches.snapshotLength > 0) {
  110.             reaches = reaches.snapshotItem(0).textContent;
  111.             reaches = reaches.replace(/\s/g, '').split(',');
  112.             for (i = 0; i < tiles.length; i++) {
  113.                 for (n = 0; n < reaches.length; n++) {
  114.                     if (tiles[i].name === reaches[n]) {
  115.                         results.push(tiles[i]);
  116.                     }
  117.                 }
  118.             }
  119.             return results;
  120.         }
  121.         for (i = 0; i < tiles.length; i++) {
  122.             if ((tiles[i].suit === "dragon" || tiles[i].suit === "wind") && tiles[i].amount(0) === 1) {
  123.                 results.push(tiles[i]);
  124.             }
  125.         }
  126.         if (results.length > 0) {
  127.             return results;
  128.         }
  129.         var pairs = 0;
  130.         for (i = 0; i < tiles.length; i++) {
  131.             var iso = true;
  132.             for (n = -2; n <= 2; n++) {
  133.                 if (n !== 0 && tiles[i].amount(n) > 0) {
  134.                     iso = false;
  135.                 }
  136.             }
  137.             if (tiles[i].amount(0) > 1) {
  138.                 iso = false;
  139.             }
  140.             if (tiles[i].amount(0) === 2) {
  141.                 pairs++;
  142.             }
  143.             if (iso) {
  144.                 results.push(tiles[i]);
  145.             }
  146.         }
  147.         if (results.length > 0) {
  148.             return results;
  149.         }
  150.         pairs /= 2;
  151.         for (i = 0; i < tiles.length; i++) {
  152.             neighbors = [];
  153.             for (n = -4; n <= 4; n++) {
  154.                 neighbors[n + 4] = tiles[i].amount(n);
  155.             }
  156.             if (match(neighbors, [ [-1, -1, 0, 0, 1, 0, 1, 1, -1], [-1, 1, 1, 0, 1, 0, 0, -1, -1],
  157.                     [-1, -1, 0, 0, 2, 1, 1, 0, -1], [-1, 0, 1, 1, 2, 0, 0, -1, -1],
  158.                     [-1, -1, 0, 1, 2, 1, 0, 0, -1], [-1, 0, 0, 1, 2, 1, 0, -1, -1],
  159.                     [0, 0, 3, 0, 1, 0, 0, -1, -1], [-1, -1, 0, 0, 1, 0, 3, 0, 0],
  160.                     [-1, -1, 0, 0, 1, 1, 1, 1, 0], [0, 1, 1, 1, 1, 0, 0, -1, -1] ])) {
  161.                 results.push(tiles[i]);
  162.             }
  163.         }
  164.         if (results.length > 0) {
  165.             return results;
  166.         }
  167.         if (pairs >= 3) {
  168.             for (i = 0; i < tiles.length; i++) {
  169.                 if (tiles[i].amount(0) === 2) {
  170.                     results.push(tiles[i]);
  171.                 }
  172.             }
  173.         }
  174.         if (pairs === 1) {
  175.             for (i = 0; i < tiles.length; i++) {
  176.                 neighbors = [];
  177.                 for (n = -2; n <= 2; n++) {
  178.                     neighbors[n + 2] = tiles[i].amount(n);
  179.                 }
  180.                 if (match(neighbors, [ [0, 0, 1, 2, 0], [0, 2, 1, 0, 0] ])) {
  181.                     results.push(tiles[i]);
  182.                 }
  183.             }
  184.         }
  185.         if (results.length > 0) {
  186.             return results;
  187.         }
  188.         for (i = 0; i < tiles.length; i++) {
  189.             neighbors = [];
  190.             for (n = -2; n <= 2; n++) {
  191.                 neighbors[n + 2] = tiles[i].amount(n);
  192.             }
  193.             if (match(neighbors, [ [0, 0, 1, 0, 1.5], [1.5, 0, 1, 0, 0] ])) {
  194.                 results.push(tiles[i]);
  195.             } else if (tiles[i].value === 1 && match(neighbors, [[0, 0, 1, 1, 0]])) {
  196.                 results.push(tiles[i]);
  197.             } else if (tiles[i].value === 9 && match(neighbors, [[0, 1, 1, 0, 0]])) {
  198.                 results.push(tiles[i]);
  199.             }
  200.         }
  201.         if (results.length > 0) {
  202.             return results;
  203.         }
  204.         for (i = 0; i < tiles.length; i++) {
  205.             neighbors = [];
  206.             for (n = -2; n <= 2; n++) {
  207.                 neighbors[n + 2] = tiles[i].amount(n);
  208.             }
  209.             if (!match(neighbors, [ [1.5, 1.5, 1.5, -1, -1], [-1, 1.5, 1.5, 1.5, -1], [-1, -1, 1.5, 1.5, 1.5], [-1, -1, 3, -1, -1], [-1, -1, 4, -1, -1] ])) {
  210.                 results.push(tiles[i]);
  211.             }
  212.         }
  213.         if (results.length > 0) {
  214.             return results;
  215.         }
  216.         return tiles;
  217.     }
  218.  
  219.     function key_press(event) {
  220.         if (event.keyCode==68) {
  221.             if(document.forms.namedItem("tsumo")) {
  222.                 window.removeEventListener("keyup", key_press, false);		//Remove key listener
  223.                 location.assign('javascript:tsumo.submit()');
  224.             } else if(document.forms.namedItem("takeron")) {
  225.                 window.removeEventListener("keyup", key_press, false);		//Remove key listener
  226.                 location.assign('javascript:takeron.submit()');
  227.             } else if(document.forms.namedItem("startmj")) {
  228.                 window.removeEventListener("keyup", key_press, false);		//Remove key listener
  229.                 location.assign('javascript:startmj.submit()');
  230.             } else if(document.forms.namedItem("reshuffle")) {
  231.                 window.removeEventListener("keyup", key_press, false);		//Remove key listener
  232.                 location.assign('javascript:reshuffle.submit()');
  233.             } else if(document.forms.namedItem("discard")) {
  234.                 window.removeEventListener("keyup", key_press, false);		//Remove key listener
  235.                 location.assign('javascript:discard.submit()');
  236.             } else if(document.forms.namedItem("passontake")) {
  237.                 window.removeEventListener("keyup", key_press, false);		//Remove key listener
  238.                 location.assign('javascript:passontake.submit()');
  239.             } else if(document.forms.namedItem("backtohome2")) {
  240.                 window.removeEventListener("keyup", key_press, false);		//Remove key listener
  241.                 location.assign('javascript:backtohome2.submit()');
  242.             }
  243.         }
  244.     }
  245.  
  246.     if (init()) {
  247.         tiles = selectTiles();
  248.         var maxScore = -9001, bestTile, log = "";
  249.         var i, n;
  250.         for (n = 0; n < tiles.length; n++) {
  251.             log += tiles[n].name + ", ";
  252.             var id = tiles[n].id;
  253.             var score = find(id);
  254.             if (tiles[n].value > 1) {
  255.                 score += find(id[0] + (Number(id.substr(1)) - 1)) / 2;
  256.             }
  257.             if (tiles[n].value < 9) {
  258.                 score += find(id[0] + (Number(id.substr(1)) + 1)) / 2;
  259.             }
  260.             if (tiles[n].name === tWind) {
  261.                 score -= 0.6;
  262.             }
  263.             if (tiles[n].name === yWind) {
  264.                 score -= 0.6;
  265.             }
  266.             if (tiles[n].suit === "dragon") {
  267.                 score -= 0.6;
  268.             }
  269.             for (i = 0; i < doras.length; i++) {
  270.                 if (tiles[n].name === doras[i]) {
  271.                     score -= 0.6;
  272.                 }
  273.             }
  274.             if (score > maxScore) {
  275.                 maxScore = score;
  276.                 bestTile = tiles[n];
  277.             }
  278.         }
  279.         log = log.substr(0, log.length - 2);
  280.         console.log(log);
  281.         var input = document.getElementById(bestTile && bestTile.inputId);
  282.         if (input && !input.disabled) {
  283.             input.click();
  284.         }
  285.         input = document.getElementById("reachbutton");
  286.         if (input) {
  287.             input.click();
  288.         }
  289.     }
  290.  
  291.     window.addEventListener("keyup", key_press, false);
  292. }) ();