New variant idea

[xogo.git] / variants / Benedict / class.js

diff --git a/variants/Benedict/class.js b/variants/Benedict/class.js
index 81fee87..25e1ef8 100644 (file)
--- a/variants/Benedict/class.js
+++ b/variants/Benedict/class.js
@@ -1,11 +1,18 @@
-import ChessRules from "/base_rules.js";
-import PiPo from "/utils/PiPo.js";
+import AbstractFlipRules from "/variants/_Flip/class.js";
 
-export default class BenedictRules extends ChessRules {
+export default class BenedictRules extends AbstractFlipRules {
 
   static get Options() {
     return {
       select: C.Options.select,
+      input: [
+        {
+          label: "Cleopatra",
+          variable: "cleopatra",
+          type: "checkbox",
+          defaut: false
+        }
+      ],
       styles: [
         "balance",
         "cylinder",
@@ -17,109 +24,52 @@ export default class BenedictRules extends ChessRules {
     };
   }
 
-  get hasEnpassant() {
-    return false;
-  }
-
-  canTake() {
-    return false;
-  }
-
-  // Find potential captures from a square
-  // 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 = C.GetOppCol(color);
-    let squares = {};
-    const specs = this.pieces(color, x, y)[piece];
-    const attacks = specs.attack || specs.moves;
-    for (let a of attacks) {
-      outerLoop: for (let step of a.steps) {
-        let [i, j] = [x + step[0], this.getY(y + step[1])];
-        let nbSteps = 1;
-        while (this.onBoard(i, j) && this.board[i][j] == "") {
-          if (a.range <= nbSteps++)
-            continue outerLoop;
-          i += step[0];
-          j = this.getY(j + step[1]);
-        }
-        if (
-          this.onBoard(i, j) && this.getColor(i, j) == oppCol &&
-          (!this.options["zen"] || this.getPieceType(i, j) == "k")
-        ) {
-          squares[C.CoordsToSquare({x: i, y: j})] = true;
-        }
-      }
-    }
-    return Object.keys(squares);
+  pieces(color, x, y) {
+    if (!this.options["cleopatra"])
+      return super.pieces(color, x, y);
+    const allSpecs = super.pieces(color, x, y);
+    return Object.assign({},
+      allSpecs,
+      {'q': Object.assign({}, allSpecs['q'], {"class": "cleopatra"})}
+    );
   }
 
   postProcessPotentialMoves(moves) {
-    moves.forEach(m => {
-      super.playOnBoard(m);
-      let attacks = this.findAttacks([m.end.x, m.end.y])
-      if (this.options["zen"]) {
-        let endSquares = {};
-        super.findCapturesOn([m.end.x, m.end.y], {zen: true}).forEach(c => {
-          endSquares[C.CoordsToSquare(c.end)] = true;
-        });
-        Array.prototype.push.apply(attacks, Object.keys(endSquares));
-      }
-      super.undoOnBoard(m);
+    const oppCol = C.GetOppTurn(this.turn);
+    let bMoves = super.postProcessPotentialMoves(moves);
+    bMoves.forEach(m => {
       m.flips = [];
-      attacks.map(C.SquareToCoords).forEach(a => {
-        m.flips.push({x: a.x, y: a.y});
-      });
-    });
-    return moves;
-  }
-
-  playOnBoard(move) {
-    super.playOnBoard(move);
-    this.flipColorOf(move.flips);
-  }
-  undoOnBoard(move) {
-    super.undoOnBoard(move);
-    this.flipColorOf(move.flips);
-  }
-
-  flipColorOf(flips) {
-    for (let xy of flips) {
-      const newColor = C.GetOppCol(this.getColor(xy.x, xy.y));
-      this.board[xy.x][xy.y] = newColor + this.board[xy.x][xy.y][1];
-    }
-  }
-
-  postPlay(move) {
-    if (this.options["balance"] && [1, 3].includes(this.movesCount)) {
-      // If enemy king is flipped: game over
-      const oppCol = C.GetOppCol(move.vanish[0].c);
-      const oppKingPos = this.searchKingPos(oppCol);
-      if (oppKingPos[0] < 0) {
-        this.turn = oppCol;
-        this.movesCount++;
-        return;
+      if (!this.options["cleopatra"] || m.vanish[0].p == 'q') {
+        super.playOnBoard(m);
+        let attacks = super.findDestSquares(
+          [m.end.x, m.end.y],
+          {
+            attackOnly: true,
+            segments: this.options["cylinder"]
+          },
+          ([i1, j1], [i2, j2]) => {
+            return (
+              this.getColor(i2, j2) == oppCol &&
+              (!this.options["zen"] || this.getPiece(i2, j2) == 'k')
+            );
+          }
+        );
+        if (this.options["zen"]) {
+          const zenAttacks = super.findCapturesOn(
+            [m.end.x, m.end.y],
+            {
+              byCol: [oppCol],
+              segments: this.options["cylinder"]
+            },
+            ([i1, j1], [i2, j2]) => this.getPiece(i1, j1) != 'k'
+          );
+          Array.prototype.push.apply(attacks, zenAttacks);
+        }
+        super.undoOnBoard(m);
+        attacks.forEach(a => m.flips.push({x: a.sq[0], y: a.sq[1]}));
       }
-    }
-    super.postPlay(move);
-  }
-
-  // Moves cannot flip our king's color, so all are valid
-  filterValid(moves) {
-    return moves;
-  }
-
-  // A king under (regular) check flips color, and the game is over.
-  underCheck() {
-    return false;
-  }
-
-  playVisual(move, r) {
-    super.playVisual(move, r);
-    move.flips.forEach(f => {
-      this.g_pieces[f.x][f.y].classList.toggle("white");
-      this.g_pieces[f.x][f.y].classList.toggle("black");
     });
+    return bMoves;
   }
 
 };