From: Benjamin Auder <benjamin.auder@somewhere>
Date: Sun, 14 Nov 2021 22:15:50 +0000 (+0100)
Subject: Fixing some bugs, improving some things
X-Git-Url: https://git.auder.net/variants/Chakart/pieces/img/doc/css/R.css?a=commitdiff_plain;h=cc2c71836442d7495ec570f8f78c006ea60852e0;p=xogo.git

Fixing some bugs, improving some things
---

diff --git a/app.js b/app.js
index 8bd5e70..5a46190 100644
--- a/app.js
+++ b/app.js
@@ -95,8 +95,8 @@ function showNewGameForm() {
     $.getElementById("selectColor").selectedIndex = 0;
     toggleVisible("newGameForm");
     import(`/variants/${vname}/class.js`).then(module => {
-      const Rules = module.default;
-      prepareOptions(Rules);
+      window.V = module.default;
+      prepareOptions();
     });
   }
 }
@@ -108,9 +108,9 @@ function toggleStyle(e, word) {
 }
 
 let options;
-function prepareOptions(Rules) {
+function prepareOptions() {
   options = {};
-  let optHtml = Rules.Options.select.map(select => { return `
+  let optHtml = V.Options.select.map(select => { return `
       <div class="option-select">
         <label for="var_${select.variable}">${select.label}</label>
         <div class="select">
@@ -128,7 +128,7 @@ function prepareOptions(Rules) {
         </div>
       </div>`;
   }).join("");
-  optHtml += Rules.Options.check.map(check => {
+  optHtml += V.Options.check.map(check => {
     return `
       <div class="option-check">
         <label class="checkbox">
@@ -139,15 +139,15 @@ function prepareOptions(Rules) {
         </label>
       </div>`;
   }).join("");
-  if (Rules.Options.styles.length >= 1) {
+  if (V.Options.styles.length >= 1) {
     optHtml += '<div class="words">';
     let i = 0;
-    const stylesLength = Rules.Options.styles.length;
+    const stylesLength = V.Options.styles.length;
     while (i < stylesLength) {
       optHtml += '<div class="row">';
       for (let j=i; j<i+4; j++) {
         if (j == stylesLength) break;
-        const style = Rules.Options.styles[j];
+        const style = V.Options.styles[j];
         optHtml +=
           `<span onClick="toggleStyle(event, '${style}')">${style}</span>`;
       }
@@ -165,10 +165,11 @@ function getGameLink() {
   for (const select of $.querySelectorAll("#gameOptions select")) {
     let value = select.value;
     if (select.attributes["data-numeric"]) value = parseInt(value, 10);
-    options[ select.id.split("_")[1] ] = value;
+    if (value) options[ select.id.split("_")[1] ] = value;
+  }
+  for (const check of $.querySelectorAll("#gameOptions input")) {
+    if (check.checked) options[ check.id.split("_")[1] ] = check.checked;
   }
-  for (const check of $.querySelectorAll("#gameOptions input"))
-    options[ check.id.split("_")[1] ] = check.checked;
   send("creategame", {
     vname: vname,
     player: { sid: sid, name: localStorage.getItem("name"), color: color },
@@ -404,21 +405,31 @@ let vr, playerColor;
 function initializeGame(obj) {
   const options = obj.options || {};
   import(`/variants/${obj.vname}/class.js`).then(module => {
-    const Rules = module.default;
+    window.V = module.default;
     conditionalLoadCSS(obj.vname);
     playerColor = (sid == obj.players[0].sid ? "w" : "b");
     // Init + remove potential extra DOM elements from a previous game:
     document.getElementById("boardContainer").innerHTML = `
       <div id="upLeftInfos"
            onClick="toggleGameInfos()">
-        <img src="/assets/icon_infos.svg"/>
+        <svg version="1.1"
+             viewBox="0.5 0.5 100 100">
+          <g>
+            <path d="M50.5,0.5c-27.614,0-50,22.386-50,50c0,27.614,22.386,50,50,50s50-22.386,50-50C100.5,22.886,78.114,0.5,50.5,0.5z M60.5,85.5h-20v-40h20V85.5z M50.5,35.5c-5.523,0-10-4.477-10-10s4.477-10,10-10c5.522,0,10,4.477,10,10S56.022,35.5,50.5,35.5z"/>
+          </g>
+        </svg>
       </div>
       <div id="upRightStop"
            onClick="confirmStopGame()">
-        <img src="/assets/icon_close.svg"/>
+        <svg version="1.1"
+             viewBox="0 0 533.333 533.333">
+          <g>
+            <path d="M528.468,428.468c-0.002-0.002-0.004-0.004-0.006-0.005L366.667,266.666l161.795-161.797 c0.002-0.002,0.004-0.003,0.006-0.005c1.741-1.742,3.001-3.778,3.809-5.946c2.211-5.925,0.95-12.855-3.814-17.62l-76.431-76.43 c-4.765-4.763-11.694-6.024-17.619-3.812c-2.167,0.807-4.203,2.066-5.946,3.807c0,0.002-0.002,0.003-0.005,0.005L266.667,166.666 L104.87,4.869c-0.002-0.002-0.003-0.003-0.005-0.005c-1.743-1.74-3.778-3-5.945-3.807C92.993-1.156,86.065,0.105,81.3,4.869 L4.869,81.3c-4.764,4.765-6.024,11.694-3.813,17.619c0.808,2.167,2.067,4.205,3.808,5.946c0.002,0.001,0.003,0.003,0.005,0.005 l161.797,161.796L4.869,428.464c-0.001,0.002-0.003,0.003-0.004,0.005c-1.741,1.742-3,3.778-3.809,5.945 c-2.212,5.924-0.951,12.854,3.813,17.619L81.3,528.464c4.766,4.765,11.694,6.025,17.62,3.813c2.167-0.809,4.203-2.068,5.946-3.809 c0.001-0.002,0.003-0.003,0.005-0.005l161.796-161.797l161.795,161.797c0.003,0.001,0.005,0.003,0.007,0.004 c1.743,1.741,3.778,3.001,5.944,3.81c5.927,2.212,12.856,0.951,17.619-3.813l76.43-76.432c4.766-4.765,6.026-11.696,3.815-17.62 C531.469,432.246,530.209,430.21,528.468,428.468z"/>
+          </g>
+        </svg>
       </div>
       <div class="resizeable" id="chessboard"></div>`;
-    vr = new Rules({
+    vr = new V({
       seed: obj.seed, //may be null if FEN already exists (running game)
       fen: obj.fen,
       element: "chessboard",
diff --git a/base_pieces.css b/base_pieces.css
index 08f8257..207228c 100644
--- a/base_pieces.css
+++ b/base_pieces.css
@@ -35,3 +35,33 @@ piece.queen.black {
 piece.king.black {
   background-image: url('data:image/svg+xml;base64,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');
 }
+piece.king-pawn.black {
+  background-image: url('data:image/svg+xml;base64,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');
+}
+piece.king-rook.black {
+  background-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxuczpyZGY9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkvMDIvMjItcmRmLXN5bnRheC1ucyMiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgaGVpZ2h0PSIxMDAlIiB3aWR0aD0iMTAwJSIgdmVyc2lvbj0iMS4xIiB4bWxuczpjYz0iaHR0cDovL2NyZWF0aXZlY29tbW9ucy5vcmcvbnMjIiB4bWxuczpkYz0iaHR0cDovL3B1cmwub3JnL2RjL2VsZW1lbnRzLzEuMS8iIHZpZXdCb3g9IjAgMCAyMDQ4IDIwNDgiPgogPHBhdGggc3R5bGU9ImNvbG9yOmJsYWNrOyIgZD0ibTExNjEgMTcwNmgxNzB2MTM3aDI3NHYtMzc1bC0yMjItMTcxdi00NzhsMTcwLTE3MHYtMjA1aDE1M3YtMjM5aC0xMzY1djIzOWgxNTN2MjA1bDE3MSAxNzB2NDc4bC0yMjIgMTcxdjM3NWgyNzN2LTEzN2gxNzF2MTM3aDI3NHYtMTM3em0tNTk3LTEyNDZ2LTEwMmg5MjB2MTAyaC05MjB6bTQ2MCAxMDkyaC01MTJ2LTQ2bDczLTU1aDg3OWw3MSA1NXY0NmgtNTExem0wLTE2OWgtMzUwbDYwLTQ3di01N2g1ODB2NTdsNjAgNDdoLTM1MHptMC01NDZoLTI5MHYtNDZsLTYwLTU4aDcwMGwtNjAgNTh2NDZoLTI5MHptMC0xNzJoLTQxNGwtNDYtNDN2LTU4aDkyMHY1OGwtNDYgNDNoLTQxNHoiIGZpbGwtcnVsZT0ibm9uemVybyIgdHJhbnNmb3JtPSJ0cmFuc2xhdGUoMCwyMDQ4KSBzY2FsZSgxLC0xKSIgZGlzcGxheT0iYmxvY2siIGZpbGw9IiNhMDAiLz4KIDxnIGZpbGwtcnVsZT0ibm9uemVybyIgZmlsbD0iI2ZmZiI+CiAgPHBhdGggc3R5bGU9ImNvbG9yOmJsYWNrOyIgZD0ibTU2NCAxNTg4djEwMmg5MjB2LTEwMmgtOTIweiIgZGlzcGxheT0iYmxvY2siLz4KICA8cGF0aCBzdHlsZT0iY29sb3I6YmxhY2s7IiBkPSJtMTAyNCA0OTZoLTUxMnY0Nmw3MyA1NWg4NzlsNzEtNTV2LTQ2aC01MTF6IiBkaXNwbGF5PSJibG9jayIvPgogIDxwYXRoIHN0eWxlPSJjb2xvcjpibGFjazsiIGQ9Im0xMDI0IDY2NWgtMzUwbDYwIDQ3djU3aDU4MHYtNTdsNjAtNDdoLTM1MHoiIGRpc3BsYXk9ImJsb2NrIi8+CiAgPHBhdGggc3R5bGU9ImNvbG9yOmJsYWNrOyIgZD0ibTEwMjQgMTIxMWgtMjkwdjQ2bC02MCA1OGg3MDBsLTYwLTU4di00NmgtMjkweiIgZGlzcGxheT0iYmxvY2siLz4KICA8cGF0aCBzdHlsZT0iY29sb3I6YmxhY2s7IiBkPSJtMTAyNCAxMzgzaC00MTRsLTQ2IDQzdjU4aDkyMHYtNThsLTQ2LTQzaC00MTR6IiBkaXNwbGF5PSJibG9jayIvPgogPC9nPgo8L3N2Zz4K');
+}
+piece.king-knight.black {
+  background-image: url('data:image/svg+xml;base64,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');
+}
+piece.king-bishop.black {
+  background-image: url('data:image/svg+xml;base64,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');
+}
+piece.king-queen.black {
+  background-image: url('data:image/svg+xml;base64,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');
+}
+piece.king-pawn.white {
+  background-image: url('data:image/svg+xml;base64,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');
+}
+piece.king-rook.white {
+  background-image: url('data:image/svg+xml;base64,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');
+}
+piece.king-knight.white {
+  background-image: url('data:image/svg+xml;base64,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');
+}
+piece.king-bishop.white {
+  background-image: url('data:image/svg+xml;base64,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');
+}
+piece.king-queen.white {
+  background-image: url('data:image/svg+xml;base64,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');
+}
diff --git a/base_rules.js b/base_rules.js
index acee324..5b49077 100644
--- a/base_rules.js
+++ b/base_rules.js
@@ -4,6 +4,7 @@ import PiPo from "/utils/PiPo.js";
 import Move from "/utils/Move.js";
 
 // NOTE: x coords: top to bottom (white perspective); y: left to right
+// NOTE: ChessRules is aliased as window.C, and variants as window.V
 export default class ChessRules {
 
   /////////////////////////
@@ -93,7 +94,7 @@ export default class ChessRules {
   doClick([x, y]) {
     if (typeof x != "number") return null; //click on reserves
     if (
-      this.options["teleport"] && this.subTurn == 2 &&
+      this.options["teleport"] && this.subTurnTeleport == 2 &&
       this.board[x][y] == ""
     ) {
       return new Move({
@@ -139,17 +140,15 @@ export default class ChessRules {
   // a2 --> {x:2,y:0} (this is in fact a6)
   static SquareToCoords(sq) {
     return {
-      x: ChessRules.RowToCoord(sq[1]),
+      x: C.RowToCoord(sq[1]),
       // NOTE: column is always one char => max 26 columns
-      y: ChessRules.ColumnToCoord(sq[0])
+      y: C.ColumnToCoord(sq[0])
     };
   }
 
   // {x:0,y:4} --> e0 (should be e8)
   static CoordsToSquare(coords) {
-    return (
-      ChessRules.CoordToColumn(coords.y) + ChessRules.CoordToRow(coords.x)
-    );
+    return C.CoordToColumn(coords.y) + C.CoordToRow(coords.x);
   }
 
   coordsToId([x, y]) {
@@ -194,7 +193,7 @@ export default class ChessRules {
     Random.setSeed(seed);
 
     let fen, flags = "0707";
-    if (this.options.randomness == 0 || !this.options.randomness)
+    if (!this.options.randomness)
       // Deterministic:
       fen = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w 0";
 
@@ -346,7 +345,7 @@ export default class ChessRules {
   // Enpassant part of the FEN string
   getEnpassantFen() {
     if (!this.epSquare) return "-"; //no en-passant
-    return ChessRules.CoordsToSquare(this.epSquare);
+    return C.CoordsToSquare(this.epSquare);
   }
 
   getReserveFen() {
@@ -358,7 +357,7 @@ export default class ChessRules {
   getIspawnFen() {
     const coords = Object.keys(this.ispawn);
     if (coords.length == 0) return "-";
-    return coords.map(ChessRules.CoordsToSquare).join(",");
+    return coords.map(C.CoordsToSquare).join(",");
   }
 
   // Set flags from fen (castle: white a,h then black a,h)
@@ -374,6 +373,8 @@ export default class ChessRules {
 
   // Fen string fully describes the game state
   constructor(o) {
+    window.C = ChessRules; //easier alias
+
     this.options = o.options;
     this.playerColor = o.color;
     this.afterPlay = o.afterPlay;
@@ -418,7 +419,10 @@ export default class ChessRules {
     if (this.hasReserve) this.initReserves(fenParsed.reserve);
     if (this.options["crazyhouse"]) this.initIspawn(fenParsed.ispawn);
     this.subTurn = 1; //may be unused
-    if (this.options["teleport"]) this.captured = null;
+    if (this.options["teleport"]) {
+      this.subTurnTeleport = 1;
+      this.captured = null;
+    }
     if (this.options["dark"]) {
       this.enlightened = ArrayFun.init(this.size.x, this.size.y);
       // Setup enlightened: squares reachable by player side
@@ -436,10 +440,9 @@ export default class ChessRules {
         if (this.board[x][y] != "" && this.getColor(x, y) == this.playerColor)
         {
           newEnlightened[x][y] = true;
-          const piece = this.getPiece(x, y);
-          if (piece == ChessRules.PAWN) {
+          if (this.getPiece(x, y) == "p") {
             // Attacking squares wouldn't be highlighted if no captures:
-            this.pieces(this.playerColor)[piece].attack.forEach(step => {
+            this.pieces(this.playerColor)["p"].attack.forEach(step => {
               const [i, j] = [x + step[0], this.computeY(y + step[1])];
               if (this.onBoard(i, j) && this.board[i][j] == "")
                 newEnlightened[i][j] = true;
@@ -458,14 +461,14 @@ export default class ChessRules {
 
   // Include en-passant capturing square if any:
   enlightEnpassant(newEnlightened) {
-    const steps = this.pieces(this.playerColor)[ChessRules.PAWN].attack;
+    const steps = this.pieces(this.playerColor)["p"].attack;
     for (let step of steps) {
       const x = this.epSquare.x - step[0],
             y = this.computeY(this.epSquare.y - step[1]);
       if (
         this.onBoard(x, y) &&
         this.getColor(x, y) == this.playerColor &&
-        this.getPiece(x, y) == ChessRules.PAWN
+        this.getPieceType(x, y) == "p"
       ) {
         newEnlightened[x][this.epSquare.y] = true;
         break;
@@ -492,8 +495,8 @@ export default class ChessRules {
           let elt = document.getElementById(this.coordsToId([x, y]));
           elt.classList.remove("in-shadow");
           if (this.board[x][y] != "") {
-            const piece = this.getPiece(x, y);
-            const color = this.getColor(x, y);
+            const color = this.getColor(i, j);
+            const piece = this.getPiece(i, j);
             this.g_pieces[x][y] = document.createElement("piece");
             let newClasses = [
               this.pieces()[piece]["class"],
@@ -525,7 +528,7 @@ export default class ChessRules {
 
   initIspawn(ispawnStr) {
     if (ispawnStr != "-") {
-      this.ispawn = ispawnStr.split(",").map(ChessRules.SquareToCoords)
+      this.ispawn = ispawnStr.split(",").map(C.SquareToCoords)
                     .reduce((o, key) => ({ ...o, [key]: true}), {});
     }
     else this.ispawn = {};
@@ -569,7 +572,7 @@ export default class ChessRules {
 
   re_drawBoardElements() {
     const board = this.getSvgChessboard();
-    const oppCol = ChessRules.GetOppCol(this.playerColor);
+    const oppCol = C.GetOppCol(this.playerColor);
     let container = document.getElementById(this.containerId);
     container.innerHTML = "";
     container.insertAdjacentHTML('beforeend', board);
@@ -644,7 +647,7 @@ export default class ChessRules {
     return board;
   }
 
-  // Generally light square bottom-right; TODO: user-defined colors at least
+  // Generally light square bottom-right
   getSquareColorClass(i, j) {
     return ((i+j) % 2 == 0 ? "light-square": "dark-square");
   }
@@ -671,8 +674,8 @@ export default class ChessRules {
           this.board[i][j] != "" &&
           (!this.options["dark"] || this.enlightened[i][j])
         ) {
-          const piece = this.getPiece(i, j);
           const color = this.getColor(i, j);
+          const piece = this.getPiece(i, j);
           this.g_pieces[i][j] = document.createElement("piece");
           this.g_pieces[i][j].classList.add(this.pieces()[piece]["class"]);
           this.g_pieces[i][j].classList.add(color == "w" ? "white" : "black");
@@ -757,6 +760,8 @@ export default class ChessRules {
   }
 
   updateReserve(color, piece, count) {
+    if (this.options["cannibal"] && C.CannibalKing[piece])
+      piece = "k"; //capturing cannibal king: back to king form
     const oldCount = this.reserve[color][piece];
     this.reserve[color][piece] = count;
     // Redrawing is much easier if count==0
@@ -996,11 +1001,17 @@ export default class ChessRules {
     return this.board[i][j].charAt(0);
   }
 
-  // Piece type on square (i,j). 'undefined' if square is empty
+  // Assume square i,j isn't empty
   getPiece(i, j) {
     return this.board[i][j].charAt(1);
   }
 
+  // Piece type on square (i,j)
+  getPieceType(i, j) {
+    const p = this.board[i][j].charAt(1);
+    return C.CannibalKings[p] || p; //a cannibal king move as...
+  }
+
   // Get opponent color
   static GetOppCol(color) {
     return (color == "w" ? "b" : "w");
@@ -1009,11 +1020,11 @@ export default class ChessRules {
   // Can thing on square1 take thing on square2
   canTake([x1, y1], [x2, y2]) {
     return (
+      (this.getColor(x1, y1) !== this.getColor(x2, y2)) ||
       (
         (this.options["recycle"] || this.options["teleport"]) &&
-        this.getPiece(x2, y2) != ChessRules.KING
-      ) ||
-      (this.getColor(x1, y1) !== this.getColor(x2, y2))
+        this.getPieceType(x2, y2) != "k"
+      )
     );
   }
 
@@ -1080,21 +1091,16 @@ export default class ChessRules {
           [1, 1], [1, -1], [-1, 1], [-1, -1]
         ],
         range: 1
-      }
+      },
+      // Cannibal kings:
+      's': { "class": "king-pawn" },
+      'u': { "class": "king-rook" },
+      'o': { "class": "king-knight" },
+      'c': { "class": "king-bishop" },
+      't': { "class": "king-queen" }
     };
   }
 
-  // Some pieces codes (for a clearer code)
-  static get PAWN() {
-    return "p";
-  }
-  static get QUEEN() {
-    return "q";
-  }
-  static get KING() {
-    return "k";
-  }
-
   ////////////////////
   // MOVES GENERATION
 
@@ -1109,11 +1115,11 @@ export default class ChessRules {
   // Stop at the first capture found
   atLeastOneCapture(color) {
     color = color || this.turn;
-    const oppCol = ChessRules.GetOppCol(color);
+    const oppCol = C.GetOppCol(color);
     for (let i = 0; i < this.size.x; i++) {
       for (let j = 0; j < this.size.y; j++) {
         if (this.board[i][j] != "" && this.getColor(i, j) == color) {
-          const specs = this.pieces(color)[this.getPiece(i, j)];
+          const specs = this.pieces(color)[this.getPieceType(i, j)];
           const steps = specs.attack || specs.steps;
           outerLoop: for (let step of steps) {
             let [ii, jj] = [i + step[0], this.computeY(j + step[1])];
@@ -1142,7 +1148,7 @@ export default class ChessRules {
   getDropMovesFrom([c, p]) {
     // NOTE: by design, this.reserve[c][p] >= 1 on user click
     // (but not necessarily otherwise)
-    if (!this.reserve[c][p] || this.reserve[c][p] == 0) return [];
+    if (this.reserve[c][p] == 0) return [];
     let moves = [];
     for (let i=0; i<this.size.x; i++) {
       for (let j=0; j<this.size.y; j++) {
@@ -1151,7 +1157,7 @@ export default class ChessRules {
           this.board[i][j] == "" &&
           (!this.options["dark"] || this.enlightened[i][j]) &&
           (
-            p != ChessRules.PAWN ||
+            p != "p" ||
             (c == 'w' && i < this.size.x - 1) ||
             (c == 'b' && i > 0)
           )
@@ -1174,12 +1180,12 @@ export default class ChessRules {
   getPotentialMovesFrom(sq, color) {
     if (typeof sq[0] == "string") return this.getDropMovesFrom(sq);
     if (this.options["madrasi"] && this.isImmobilized(sq)) return [];
-    const piece = this.getPiece(sq[0], sq[1]);
+    const piece = this.getPieceType(sq[0], sq[1]);
     let moves;
-    if (piece == ChessRules.PAWN) moves = this.getPotentialPawnMoves(sq);
+    if (piece == "p") moves = this.getPotentialPawnMoves(sq);
     else moves = this.getPotentialMovesOf(piece, sq);
     if (
-      piece == ChessRules.KING &&
+      piece == "k" &&
       this.hasCastle &&
       this.castleFlags[color || this.turn].some(v => v < this.size.y)
     ) {
@@ -1191,7 +1197,7 @@ export default class ChessRules {
   postProcessPotentialMoves(moves) {
     if (moves.length == 0) return [];
     const color = this.getColor(moves[0].start.x, moves[0].start.y);
-    const oppCol = ChessRules.GetOppCol(color);
+    const oppCol = C.GetOppCol(color);
 
     if (this.options["capture"] && this.atLeastOneCapture()) {
       // Filter out non-capturing moves (not using m.vanish because of
@@ -1227,7 +1233,7 @@ export default class ChessRules {
             if (
               this.onBoard(x, y) &&
               this.board[x][y] != "" &&
-              this.getPiece(x, y) != ChessRules.PAWN
+              this.getPieceType(x, y) != "p"
             ) {
               m.vanish.push(
                 new PiPo({
@@ -1243,15 +1249,72 @@ export default class ChessRules {
         }
       });
     }
+
+    if (
+      this.options["cannibal"] &&
+      this.options["rifle"] &&
+      this.pawnSpecs.promotions
+    ) {
+      // In this case a rifle-capture from last rank may promote a pawn
+      const lastRank = (color == "w" ? 0 : this.size.x - 1);
+      let newMoves = [];
+      moves.forEach(m => {
+        if (
+          m.start.x == lastRank &&
+          m.appear.length >= 1 &&
+          m.appear[0].p == "p" &&
+          m.appear[0].x == m.start.x &&
+          m.appear[0].y == m.start.y
+        ) {
+          const promotionPiece0 = this.pawnSpecs.promotions[0];
+          m.appear[0].p = this.pawnSpecs.promotions[0];
+          for (let i=1; i<this.pawnSpecs.promotions.length; i++) {
+            let newMv = JSON.parse(JSON.stringify(m));
+            newMv.appear[0].p = this.pawnSpecs.promotions[i];
+            newMoves.push(newMv);
+          }
+        }
+      });
+      Array.prototype.push.apply(moves, newMoves);
+    }
+
     return moves;
   }
 
+  static get CannibalKings() {
+    return {
+      "s": "p",
+      "u": "r",
+      "o": "n",
+      "c": "b",
+      "t": "q"
+    };
+  }
+
+  static get CannibalKingCode() {
+    return {
+      "p": "s",
+      "r": "u",
+      "n": "o",
+      "b": "c",
+      "q": "t",
+      "k": "k"
+    };
+  }
+
+  isKing(symbol) {
+    return (
+      symbol == 'k' ||
+      (this.options["cannibal"] && C.CannibalKings[symbol])
+    );
+  }
+
   // For Madrasi:
   // (redefined in Baroque etc, where Madrasi condition doesn't make sense)
   isImmobilized([x, y]) {
     const color = this.getColor(x, y);
-    const oppCol = ChessRules.GetOppCol(color);
-    const piece = this.getPiece(x, y);
+    const oppCol = C.GetOppCol(color);
+    const piece = this.getPieceType(x, y);
     const stepSpec = this.pieces(color)[piece];
     let [steps, range] = [stepSpec.attack || stepSpec.steps, stepSpec.range];
     outerLoop: for (let step of steps) {
@@ -1265,7 +1328,7 @@ export default class ChessRules {
       if (
         this.onBoard(i, j) &&
         this.getColor(i, j) == oppCol &&
-        this.getPiece(i, j) == piece
+        this.getPieceType(i, j) == piece
       ) {
         return true;
       }
@@ -1298,7 +1361,7 @@ export default class ChessRules {
         this.onBoard(i, j) &&
         (
           !this.options["zen"] ||
-          this.getPiece(i, j) == ChessRules.KING ||
+          this.getPieceType(i, j) == "k" ||
           this.getColor(i, j) == color //OK for Recycle and Teleport
         ) &&
         this.canTake([x, y], [i, j]) &&
@@ -1317,10 +1380,16 @@ export default class ChessRules {
     let moves = [];
     // Find reverse captures (opponent takes)
     const color = this.getColor(x, y);
-    const oppCol = ChessRules.GetOppCol(color);
+    const pieceType = this.getPieceType(x, y);
+    const oppCol = C.GetOppCol(color);
     const pieces = this.pieces(oppCol);
     Object.keys(pieces).forEach(p => {
-      if (p == ChessRules.KING) return; //king isn't captured this way
+      if (
+        p == "k" ||
+        (this.options["cannibal"] && C.CannibalKings[p])
+      ) {
+        return; //king isn't captured this way
+      }
       const steps = pieces[p].attack || pieces[p].steps;
       const range = pieces[p].range;
       steps.forEach(s => {
@@ -1334,12 +1403,11 @@ export default class ChessRules {
         }
         if (
           this.onBoard(i, j) &&
-          this.getPiece(i, j) == p &&
+          this.getPieceType(i, j) == p &&
           this.getColor(i, j) == oppCol && //condition for Recycle & Teleport
           this.canTake([i, j], [x, y])
         ) {
-          if (this.getPiece(x, y) != ChessRules.PAWN)
-            moves.push(this.getBasicMove([x, y], [i, j]));
+          if (pieceType != "p") moves.push(this.getBasicMove([x, y], [i, j]));
           else this.addPawnMoves([x, y], [i, j], moves);
         }
       });
@@ -1351,7 +1419,7 @@ export default class ChessRules {
   // tr: transformation
   getBasicMove([sx, sy], [ex, ey], tr) {
     const initColor = this.getColor(sx, sy);
-    const initPiece = this.board[sx][sy].charAt(1);
+    const initPiece = this.getPiece(sx, sy);
     const destColor = (this.board[ex][ey] != "" ? this.getColor(ex, ey) : "");
     let mv = new Move({
       appear: [],
@@ -1387,7 +1455,7 @@ export default class ChessRules {
           x: ex,
           y: ey,
           c: this.getColor(ex, ey),
-          p: this.board[ex][ey].charAt(1)
+          p: this.getPiece(ex, ey)
         })
       );
       if (this.options["rifle"])
@@ -1396,14 +1464,17 @@ export default class ChessRules {
         mv.capture = true;
       if (this.options["cannibal"] && destColor != initColor) {
         const lastIdx = mv.vanish.length - 1;
-        if (mv.appear.length >= 1) mv.appear[0].p = mv.vanish[lastIdx].p;
+        let trPiece = mv.vanish[lastIdx].p;
+        if (this.isKing(this.getPiece(sx, sy)))
+          trPiece = C.CannibalKingCode[trPiece];
+        if (mv.appear.length >= 1) mv.appear[0].p = trPiece;
         else if (this.options["rifle"]) {
           mv.appear.unshift(
             new PiPo({
               x: sx,
               y: sy,
               c: initColor,
-              p: mv.vanish[lastIdx].p
+              p: trPiece
             })
           );
           mv.vanish.unshift(
@@ -1425,7 +1496,7 @@ export default class ChessRules {
     if (typeof moveOrSquare === "string") {
       const square = moveOrSquare;
       if (square == "-") return undefined;
-      return ChessRules.SquareToCoords(square);
+      return C.SquareToCoords(square);
     }
     // Argument is a move:
     const move = moveOrSquare;
@@ -1435,8 +1506,8 @@ export default class ChessRules {
       s.y == e.y &&
       Math.abs(s.x - e.x) == 2 &&
       // Next conditions for variants like Atomic or Rifle, Recycle...
-      (move.appear.length > 0 && move.appear[0].p == ChessRules.PAWN) &&
-      (move.vanish.length > 0 && move.vanish[0].p == ChessRules.PAWN)
+      (move.appear.length > 0 && move.appear[0].p == "p") &&
+      (move.vanish.length > 0 && move.vanish[0].p == "p")
     ) {
       return {
         x: (s.x + e.x) / 2,
@@ -1449,7 +1520,7 @@ export default class ChessRules {
   // Special case of en-passant captures: treated separately
   getEnpassantCaptures([x, y], shiftX) {
     const color = this.getColor(x, y);
-    const oppCol = ChessRules.GetOppCol(color);
+    const oppCol = C.GetOppCol(color);
     let enpassantMove = null;
     if (
       !!this.epSquare &&
@@ -1469,7 +1540,7 @@ export default class ChessRules {
 
   // Consider all potential promotions:
   addPawnMoves([x1, y1], [x2, y2], moves, promotions) {
-    let finalPieces = [ChessRules.PAWN];
+    let finalPieces = ["p"];
     const color = this.getColor(x1, y1);
     const lastRank = (color == "w" ? 0 : this.size.x - 1);
     if (x2 == lastRank && (!this.options["rifle"] || this.board[x2][y2] == ""))
@@ -1480,7 +1551,7 @@ export default class ChessRules {
         finalPieces = this.pawnSpecs.promotions;
     }
     for (let piece of finalPieces) {
-      const tr = (piece != ChessRules.PAWN ? { c: color, p: piece } : null);
+      const tr = (piece != "p" ? { c: color, p: piece } : null);
       moves.push(this.getBasicMove([x1, y1], [x2, y2], tr));
     }
   }
@@ -1539,7 +1610,7 @@ export default class ChessRules {
                 this.canTake([x, y], [x + shiftX, yCoord]) &&
                 (
                   !this.options["zen"] ||
-                  this.getPiece(x + shiftX, yCoord) == ChessRules.KING
+                  this.getPieceType(x + shiftX, yCoord) == "k"
                 )
               ) {
                 this.addPawnMoves(
@@ -1554,7 +1625,7 @@ export default class ChessRules {
                 this.canTake([x, y], [x - shiftX, yCoord]) &&
                 (
                   !this.options["zen"] ||
-                  this.getPiece(x + shiftX, yCoord) == ChessRules.KING
+                  this.getPieceType(x + shiftX, yCoord) == "k"
                 )
               ) {
                 this.addPawnMoves(
@@ -1593,12 +1664,12 @@ export default class ChessRules {
     const c = this.getColor(x, y);
 
     // Castling ?
-    const oppCol = ChessRules.GetOppCol(c);
+    const oppCol = C.GetOppCol(c);
     let moves = [];
     // King, then rook:
     finalSquares =
       finalSquares || [ [2, 3], [this.size.y - 2, this.size.y - 3] ];
-    const castlingKing = this.board[x][y].charAt(1);
+    const castlingKing = this.getPiece(x, y);
     castlingCheck: for (
       let castleSide = 0;
       castleSide < 2;
@@ -1609,7 +1680,7 @@ export default class ChessRules {
 
       // NOTE: in some variants this is not a rook
       const rookPos = this.castleFlags[c][castleSide];
-      const castlingPiece = this.board[x][rookPos].charAt(1);
+      const castlingPiece = this.getPiece(x, rookPos);
       if (
         this.board[x][rookPos] == "" ||
         this.getColor(x, rookPos) != c ||
@@ -1694,7 +1765,7 @@ export default class ChessRules {
   // Is (king at) given position under check by "color" ?
   underCheck([x, y], color) {
     if (this.taking || this.options["dark"]) return false;
-    color = color || ChessRules.GetOppCol(this.getColor(x, y));
+    color = color || C.GetOppCol(this.getColor(x, y));
     const pieces = this.pieces(color);
     return Object.keys(pieces).some(p => {
       return this.isAttackedBy([x, y], p, color, pieces[p]);
@@ -1703,6 +1774,7 @@ export default class ChessRules {
 
   isAttackedBy([x, y], piece, color, stepSpec) {
     const steps = stepSpec.attack || stepSpec.steps;
+    if (!steps) return false; //cannibal king, for example
     const range = stepSpec.range;
     let explored = {}; //for Cylinder mode
     outerLoop: for (let step of steps) {
@@ -1722,7 +1794,7 @@ export default class ChessRules {
       if (
         this.onBoard(rx, ry) &&
         this.board[rx][ry] != "" &&
-        this.getPiece(rx, ry) == piece &&
+        this.getPieceType(rx, ry) == piece &&
         this.getColor(rx, ry) == color &&
         (!this.options["madrasi"] || !this.isImmobilized([rx, ry]))
       ) {
@@ -1736,7 +1808,8 @@ export default class ChessRules {
   searchKingPos(color) {
     for (let i=0; i < this.size.x; i++) {
       for (let j=0; j < this.size.y; j++) {
-        if (this.board[i][j] == color + 'k') return [i, j];
+        if (this.getColor(i, j) == color && this.isKing(this.getPiece(i, j)))
+          return [i, j];
       }
     }
     return [-1, -1]; //king not found
@@ -1745,14 +1818,14 @@ export default class ChessRules {
   filterValid(moves) {
     if (moves.length == 0) return [];
     const color = this.turn;
-    const oppCol = ChessRules.GetOppCol(color);
+    const oppCol = C.GetOppCol(color);
     if (this.options["balance"] && [1, 3].includes(this.movesCount)) {
       // Forbid moves either giving check or exploding opponent's king:
       const oppKingPos = this.searchKingPos(oppCol);
       moves = moves.filter(m => {
         if (
-          m.vanish.some(v => v.c == oppCol && v.p == ChessRules.KING) &&
-          m.appear.every(a => a.c != oppCol || a.p != ChessRUles.KING)
+          m.vanish.some(v => v.c == oppCol && v.p == "k") &&
+          m.appear.every(a => a.c != oppCol || a.p != "k")
         )
           return false;
         this.playOnBoard(m);
@@ -1770,10 +1843,14 @@ export default class ChessRules {
         this.playOnBoard(m);
         let square = kingPos,
             res = true; //a priori valid
-        if (m.vanish.some(v => v.p == ChessRules.KING && v.c == color)) {
+        if (m.vanish.some(v => {
+          return (v.p == "k" || C.CannibalKings[v.p]) && v.c == color;
+        })) {
           // Search king in appear array:
           const newKingIdx =
-            m.appear.findIndex(a => a.p == ChessRules.KING && a.c == color);
+            m.appear.findIndex(a => {
+              return (a.p == "k" || C.CannibalKings[a.p]) && a.c == color;
+            });
           if (newKingIdx >= 0)
             square = [m.appear[newKingIdx].x, m.appear[newKingIdx].y];
           else res = false;
@@ -1816,15 +1893,15 @@ export default class ChessRules {
     move.appear.concat(move.vanish).forEach(psq => {
       if (
         this.board[psq.x][psq.y] != "" &&
-        this.getPiece(psq.x, psq.y) == ChessRules.KING
+        this.getPieceType(psq.x, psq.y) == "k"
       ) {
         this.castleFlags[psq.c] = [this.size.y, this.size.y];
       }
       // NOTE: not "else if" because king can capture enemy rook...
-      let c = '';
-      if (psq.x == 0) c = 'b';
-      else if (psq.x == this.size.x - 1) c = 'w';
-      if (c != '') {
+      let c = "";
+      if (psq.x == 0) c = "b";
+      else if (psq.x == this.size.x - 1) c = "w";
+      if (c != "") {
         const fidx = this.castleFlags[c].findIndex(f => f == psq.y);
         if (fidx >= 0) this.castleFlags[c][fidx] = this.size.y;
       }
@@ -1834,7 +1911,7 @@ export default class ChessRules {
   prePlay(move) {
     if (
       typeof move.start.x == "number" &&
-      (!this.options["teleport"] || this.subTurn == 1)
+      (!this.options["teleport"] || this.subTurnTeleport == 1)
     ) {
       // OK, not a drop move
       if (
@@ -1845,20 +1922,20 @@ export default class ChessRules {
       ) {
         this.updateCastleFlags(move);
       }
-      const initSquare = ChessRules.CoordsToSquare(move.start);
+      const initSquare = C.CoordsToSquare(move.start);
       if (
         this.options["crazyhouse"] &&
         (!this.options["rifle"] || !move.capture)
       ) {
         if (this.ispawn[initSquare]) {
           delete this.ispawn[initSquare];
-          this.ispawn[ChessRules.CoordsToSquare(move.end)] = true;
+          this.ispawn[C.CoordsToSquare(move.end)] = true;
         }
         else if (
-          move.vanish[0].p == ChessRules.PAWN &&
-          move.appear[0].p != ChessRules.PAWN
+          move.vanish[0].p == "p" &&
+          move.appear[0].p != "p"
         ) {
-          this.ispawn[ChessRules.CoordsToSquare(move.end)] = true;
+          this.ispawn[C.CoordsToSquare(move.end)] = true;
         }
       }
     }
@@ -1888,19 +1965,20 @@ export default class ChessRules {
 
   postPlay(move) {
     const color = this.turn;
-    const oppCol = ChessRules.GetOppCol(color);
+    const oppCol = C.GetOppCol(color);
     if (this.options["dark"]) this.updateEnlightened(true);
     if (this.options["teleport"]) {
       if (
-        this.subTurn == 1 &&
+        this.subTurnTeleport == 1 &&
         move.vanish.length > move.appear.length &&
         move.vanish[move.vanish.length - 1].c == color
       ) {
         const v = move.vanish[move.vanish.length - 1];
         this.captured = {x: v.x, y: v.y, c: v.c, p: v.p};
-        this.subTurn = 2;
+        this.subTurnTeleport = 2;
         return;
       }
+      this.subTurnTeleport = 1;
       this.captured = null;
     }
     if (this.options["balance"]) {
@@ -1933,7 +2011,8 @@ export default class ChessRules {
     for (let i = 0; i < this.size.x; i++) {
       for (let j = 0; j < this.size.y; j++) {
         if (this.board[i][j] != "" && this.getColor(i, j) == color) {
-          // TODO?: do not search all possible moves here
+          // NOTE: in fact searching for all potential moves from i,j.
+          //       I don't believe this is an issue, for now at least.
           const moves = this.getPotentialMovesFrom([i, j]);
           if (moves.some(m => this.filterValid([m]).length >= 1)) return true;
         }
@@ -1951,7 +2030,7 @@ export default class ChessRules {
   // What is the score ? (Interesting if game is over)
   getCurrentScore(move) {
     const color = this.turn;
-    const oppCol = ChessRules.GetOppCol(color);
+    const oppCol = C.GetOppCol(color);
     const kingPos = [this.searchKingPos(color), this.searchKingPos(oppCol)];
     if (kingPos[0][0] < 0 && kingPos[1][0] < 0) return "1/2";
     if (kingPos[0][0] < 0) return (color == "w" ? "0-1" : "1-0");
@@ -1963,7 +2042,7 @@ export default class ChessRules {
     return (color == "w" ? "0-1" : "1-0");
   }
 
-  // NOTE: quite suboptimal for eg. Benedict (TODO?)
+  // NOTE: quite suboptimal for eg. Benedict (not a big deal I think)
   playVisual(move, r) {
     move.vanish.forEach(v => {
       if (!this.enlightened || this.enlightened[v.x][v.y]) {
@@ -2019,12 +2098,12 @@ export default class ChessRules {
     const clonePiece = (
       !dropMove &&
       this.options["rifle"] ||
-      (this.options["teleport"] && this.subTurn == 2)
+      (this.options["teleport"] && this.subTurnTeleport == 2)
     );
     if (clonePiece) {
       startPiece = startPiece.cloneNode();
       if (this.options["rifle"]) startArray[i1][j1].style.opacity = "0";
-      if (this.options["teleport"] && this.subTurn == 2) {
+      if (this.options["teleport"] && this.subTurnTeleport == 2) {
         const pieces = this.pieces();
         const startCode = (dropMove ? j1 : this.getPiece(i1, j1));
         startPiece.classList.remove(pieces[startCode]["class"]);
diff --git a/common.css b/common.css
index abaf91f..f1b2b79 100644
--- a/common.css
+++ b/common.css
@@ -34,12 +34,18 @@ main > div {
   /*max-width: 800px;*/ /*unnecessary*/
 }
 
-@media (max-height: 800px) {
+@media(max-height: 800px) {
   main > div {
     margin-top: 30px;
   }
 }
 
+@media(max-width: 767px) {
+  main > div {
+    padding: 0 10px;
+  }
+}
+
 #boardContainer {
   margin: 0;
   padding: 0;
@@ -155,18 +161,21 @@ button.block-btn {
   left: calc(100% - 25px);
   top: 0;
 }
-#upLeftInfos > img, #upRightStop > img {
+#upLeftInfos > svg, #upRightStop > svg {
   width: 25px;
   cursor: pointer;
 }
 
-@media (max-width: 767px) {
+@media(max-width: 767px) {
   #upRightStop {
     left: calc(100% - 35px);
   }
-  #upLeftInfos > img, #upRightStop > img {
+  #upLeftInfos > svg, #upRightStop > svg {
     width: 35px;
   }
+  #upLeftInfos > svg path, #upRightStop > svg path {
+    fill: #999;
+  }
 }
 
 #ng-select {
diff --git a/index.html b/index.html
index b30f6cf..52acd9a 100644
--- a/index.html
+++ b/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 
   <head>
     <meta charset="utf-8"/>
diff --git a/variants/Benedict/class.js b/variants/Benedict/class.js
index c0fffcc..e08a79c 100644
--- a/variants/Benedict/class.js
+++ b/variants/Benedict/class.js
@@ -5,10 +5,10 @@ export default class BenedictRules extends ChessRules {
 
   static get Options() {
     return {
-      select: ChessRules.Options.select,
+      select: C.Options.select,
       check: [],
       styles: (
-        ChessRules.Options.styles.filter(s => {
+        C.Options.styles.filter(s => {
           return (
             ["balance", "cylinder", "dark", "doublemove", "progressive", "zen"]
             .includes(s)
@@ -38,7 +38,7 @@ export default class BenedictRules extends ChessRules {
   // follow steps from x,y until something is met.
   findAttacks([x, y]) {
     const [color, piece] = [this.getColor(x, y), this.getPiece(x, y)];
-    const oppCol = ChessRules.GetOppCol(color);
+    const oppCol = C.GetOppCol(color);
     let squares = {};
     const specs = this.pieces(color)[piece];
     const steps = specs.attack || specs.steps;
@@ -51,7 +51,7 @@ export default class BenedictRules extends ChessRules {
         j = this.computeY(j + step[1]);
       }
       if (this.onBoard(i, j) && this.getColor(i, j) == oppCol)
-        squares[ChessRules.CoordsToSquare({x: i, y: j})] = true;
+        squares[C.CoordsToSquare({x: i, y: j})] = true;
     }
     return Object.keys(squares);
   }
@@ -60,7 +60,7 @@ export default class BenedictRules extends ChessRules {
     if (moves.length == 0) return moves;
     const [x, y] = [moves[0].end.x, moves[0].end.y];
     const color = this.getColor(moves[0].start.x, moves[0].start.y);
-    const oppCol = ChessRules.GetOppCol(color);
+    const oppCol = C.GetOppCol(color);
     moves = super.postProcessPotentialMoves(moves);
     moves.forEach(m => {
       this.playOnBoard(m);
@@ -68,13 +68,13 @@ export default class BenedictRules extends ChessRules {
       if (this.options["zen"]) {
         let endSquares = {};
         super.getZenCaptures(x, y).forEach(c => {
-          endSquares[ChessRules.CoordsToSquare(c.end)] = true;
+          endSquares[C.CoordsToSquare(c.end)] = true;
         });
         attacks = Object.keys(endSquares);
       }
       else attacks = this.findAttacks([m.end.x, m.end.y])
       this.undoOnBoard(m);
-      attacks.map(ChessRules.SquareToCoords).forEach(a => {
+      attacks.map(C.SquareToCoords).forEach(a => {
         const p = this.getPiece(a.x, a.y);
         m.appear.push(new PiPo({x: a.x, y: a.y, c: color, p: p}));
         m.vanish.push(new PiPo({x: a.x, y: a.y, c: oppCol, p: p}));
@@ -86,7 +86,7 @@ export default class BenedictRules extends ChessRules {
   // Moves cannot flip our king's color, so (almost) all are valid
   filterValid(moves) {
     if (this.options["balance"] && [1, 3].includes(this.movesCount))
-      return moves.filter(m => m.vanish.every(v => v.p != ChessRules.KING));
+      return moves.filter(m => m.vanish.every(v => v.p != C.KING));
     return moves;
   }
 
diff --git a/variants/Zen/class.js b/variants/Zen/class.js
index f06dd1f..6d0420a 100644
--- a/variants/Zen/class.js
+++ b/variants/Zen/class.js
@@ -4,9 +4,9 @@ export default class ZenRules extends ChessRules {
 
   static get Options() {
     return {
-      select: ChessRules.Options.select,
-      check: ChessRules.Options.check,
-      styles: ChessRules.Options.styles.filter(s => s != "zen")
+      select: C.Options.select,
+      check: C.Options.check,
+      styles: C.Options.styles.filter(s => s != "zen")
     };
   }