Add Checkered1 + fix last move highlights

[vchess.git] / client / src / variants / Alice.js

diff --git a/client/src/variants/Alice.js b/client/src/variants/Alice.js
index a92338f..d6fb0ac 100644 (file)
--- a/client/src/variants/Alice.js
+++ b/client/src/variants/Alice.js
@@ -2,8 +2,9 @@ import { ChessRules } from "@/base_rules";
 import { ArrayFun } from "@/utils/array";
 
 // NOTE: alternative implementation, probably cleaner = use only 1 board
-// TODO? atLeastOneMove() would be more efficient if rewritten here (less sideBoard computations)
-export const VariantRules = class AliceRules extends ChessRules {
+// TODO? atLeastOneMove() would be more efficient if rewritten here
+// (less sideBoard computations)
+export class AliceRules extends ChessRules {
   static get ALICE_PIECES() {
     return {
       s: "p",
@@ -37,7 +38,8 @@ export const VariantRules = class AliceRules extends ChessRules {
     super.setOtherVariables(fen);
     const rows = V.ParseFen(fen).position.split("/");
     if (this.kingPos["w"][0] < 0 || this.kingPos["b"][0] < 0) {
-      // INIT_COL_XXX won't be required if Alice kings are found (means 'king moved')
+      // INIT_COL_XXX won't be required if Alice kings are found
+      // (it means 'king moved')
       for (let i = 0; i < rows.length; i++) {
         let k = 0; //column index on board
         for (let j = 0; j < rows[i].length; j++) {
@@ -80,7 +82,8 @@ export const VariantRules = class AliceRules extends ChessRules {
     return sideBoard;
   }
 
-  // NOTE: castle & enPassant https://www.chessvariants.com/other.dir/alice.html
+  // NOTE: castle & enPassant
+  // https://www.chessvariants.com/other.dir/alice.html
   getPotentialMovesFrom([x, y], sideBoard) {
     const pieces = Object.keys(V.ALICE_CODES);
     const codes = Object.keys(V.ALICE_PIECES);
@@ -107,11 +110,13 @@ export const VariantRules = class AliceRules extends ChessRules {
     // Finally filter impossible moves
     const res = moves.filter(m => {
       if (m.appear.length == 2) {
-        //castle
-        // appear[i] must be an empty square on the other board
+        // Castle: appear[i] must be an empty square on the other board
         for (let psq of m.appear) {
-          if (this.getSquareOccupation(psq.x, psq.y, 3 - mirrorSide) != V.EMPTY)
+          if (
+            this.getSquareOccupation(psq.x, psq.y, 3 - mirrorSide) != V.EMPTY
+          ) {
             return false;
+          }
         }
       } else if (this.board[m.end.x][m.end.y] != V.EMPTY) {
         // Attempt to capture
@@ -126,11 +131,12 @@ export const VariantRules = class AliceRules extends ChessRules {
       // If the move is computed on board1, m.appear change for Alice pieces.
       if (mirrorSide == 1) {
         m.appear.forEach(psq => {
-          //forEach: castling taken into account
+          // forEach: castling taken into account
           psq.p = V.ALICE_CODES[psq.p]; //goto board2
         });
-      } //move on board2: mark vanishing pieces as Alice
+      }
       else {
+        // Move on board2: mark vanishing pieces as Alice
         m.vanish.forEach(psq => {
           psq.p = V.ALICE_CODES[psq.p];
         });
@@ -229,7 +235,8 @@ export const VariantRules = class AliceRules extends ChessRules {
     return res;
   }
 
-  getCheckSquares(color) {
+  getCheckSquares() {
+    const color = this.turn;
     const pieces = Object.keys(V.ALICE_CODES);
     const kp = this.kingPos[color];
     const mirrorSide = pieces.includes(this.getPiece(kp[0], kp[1])) ? 1 : 2;
@@ -243,29 +250,27 @@ export const VariantRules = class AliceRules extends ChessRules {
     return res;
   }
 
-  updateVariables(move) {
-    super.updateVariables(move); //standard king
+  postPlay(move) {
+    super.postPlay(move); //standard king
     const piece = move.vanish[0].p;
     const c = move.vanish[0].c;
     // "l" = Alice king
     if (piece == "l") {
       this.kingPos[c][0] = move.appear[0].x;
       this.kingPos[c][1] = move.appear[0].y;
-      this.castleFlags[c] = [false, false];
+      this.castleFlags[c] = [8, 8];
     }
   }
 
-  unupdateVariables(move) {
-    super.unupdateVariables(move);
+  postUndo(move) {
+    super.postUndo(move);
     const c = move.vanish[0].c;
-    if (move.vanish[0].p == "l") this.kingPos[c] = [move.start.x, move.start.y];
+    if (move.vanish[0].p == "l")
+      this.kingPos[c] = [move.start.x, move.start.y];
   }
 
   getCurrentScore() {
-    if (this.atLeastOneMove())
-      // game not over
-      return "*";
-
+    if (this.atLeastOneMove()) return "*";
     const pieces = Object.keys(V.ALICE_CODES);
     const color = this.turn;
     const kp = this.kingPos[color];
@@ -282,14 +287,21 @@ export const VariantRules = class AliceRules extends ChessRules {
   }
 
   static get VALUES() {
-    return Object.assign(ChessRules.VALUES, {
-      s: 1,
-      u: 5,
-      o: 3,
-      c: 3,
-      t: 9,
-      l: 1000
-    });
+    return Object.assign(
+      {
+        s: 1,
+        u: 5,
+        o: 3,
+        c: 3,
+        t: 9,
+        l: 1000
+      },
+      ChessRules.VALUES
+    );
+  }
+
+  static get SEARCH_DEPTH() {
+    return 2;
   }
 
   getNotation(move) {