X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=client%2Fsrc%2Fvariants%2FChakart.js;h=73d7cfc9fe3ac25f98c9f3a0e02a1c39baae6c57;hb=7c8d0174f68dfcda183848d85588e58f5d347cda;hp=1c7225c7bd6b3bf8a6911f2df2d02c007a30ceb2;hpb=b36db5258400648f66727aba97fd0f1ee0de7640;p=vchess.git

diff --git a/client/src/variants/Chakart.js b/client/src/variants/Chakart.js
index 1c7225c7..73d7cfc9 100644
--- a/client/src/variants/Chakart.js
+++ b/client/src/variants/Chakart.js
@@ -155,7 +155,7 @@ export class ChakartRules extends ChessRules {
       }
       if (sumElts != V.size.y) return false;
     }
-    if (kings['k'] + kings['l'] != 1 || kings['K'] + kings['L'] != 1)
+    if (kings['k'] + kings['l'] == 0 || kings['K'] + kings['L'] == 0)
       return false;
     return true;
   }
@@ -214,20 +214,20 @@ export class ChakartRules extends ChessRules {
     // Initialize captured pieces' counts from FEN
     this.captured = {
       w: {
-        [V.ROOK]: parseInt(fenParsed.captured[0]),
-        [V.KNIGHT]: parseInt(fenParsed.captured[1]),
-        [V.BISHOP]: parseInt(fenParsed.captured[2]),
-        [V.QUEEN]: parseInt(fenParsed.captured[3]),
-        [V.KING]: parseInt(fenParsed.captured[4]),
-        [V.PAWN]: parseInt(fenParsed.captured[5]),
+        [V.PAWN]: parseInt(fenParsed.captured[0]),
+        [V.ROOK]: parseInt(fenParsed.captured[1]),
+        [V.KNIGHT]: parseInt(fenParsed.captured[2]),
+        [V.BISHOP]: parseInt(fenParsed.captured[3]),
+        [V.QUEEN]: parseInt(fenParsed.captured[4]),
+        [V.KING]: parseInt(fenParsed.captured[5])
       },
       b: {
-        [V.ROOK]: parseInt(fenParsed.captured[6]),
-        [V.KNIGHT]: parseInt(fenParsed.captured[7]),
-        [V.BISHOP]: parseInt(fenParsed.captured[8]),
-        [V.QUEEN]: parseInt(fenParsed.captured[9]),
-        [V.KING]: parseInt(fenParsed.captured[10]),
-        [V.PAWN]: parseInt(fenParsed.captured[11]),
+        [V.PAWN]: parseInt(fenParsed.captured[6]),
+        [V.ROOK]: parseInt(fenParsed.captured[7]),
+        [V.KNIGHT]: parseInt(fenParsed.captured[8]),
+        [V.BISHOP]: parseInt(fenParsed.captured[9]),
+        [V.QUEEN]: parseInt(fenParsed.captured[10]),
+        [V.KING]: parseInt(fenParsed.captured[11])
       }
     };
     this.firstMove = [];
@@ -269,7 +269,11 @@ export class ChakartRules extends ChessRules {
     const end = (color == 'b' && p == V.PAWN ? 7 : 8);
     for (let i = start; i < end; i++) {
       for (let j = 0; j < V.size.y; j++) {
-        if (this.board[i][j] == V.EMPTY || this.getColor(i, j) == 'a') {
+        if (
+          this.board[i][j] == V.EMPTY ||
+          this.getColor(i, j) == 'a' ||
+          this.getPiece(i, j) == V.INVISIBLE_QUEEN
+        ) {
           let m = this.getBasicMove({ p: p, x: i, y: j});
           m.start = { x: x, y: y };
           moves.push(m);
@@ -316,7 +320,6 @@ export class ChakartRules extends ChessRules {
       const L = this.firstMove.length;
       const fm = this.firstMove[L-1];
       switch (fm.end.effect) {
-        // case 0: a click is required (banana or bomb)
         case "kingboo":
           // Exchange position with any piece,
           // except pawns if arriving on last rank.
@@ -366,11 +369,12 @@ export class ChakartRules extends ChessRules {
 
   // Helper for getBasicMove()
   getRandomSquare([x, y], steps) {
+    const color = this.turn;
     const validSteps = steps.filter(s => {
       const [i, j] = [x + s[0], y + s[1]];
       return (
         V.OnBoard(i, j) &&
-        (this.board[i][j] == V.EMPTY || this.getColor(i, j) == 'a')
+        (this.board[i][j] == V.EMPTY || this.getColor(i, j) != color)
       );
     });
     if (validSteps.length == 0)
@@ -1316,10 +1320,45 @@ export class ChakartRules extends ChessRules {
     return moves;
   }
 
+  static get VALUES() {
+    return Object.assign(
+      {},
+      ChessRules.VALUES,
+      {
+        s: 1,
+        u: 5,
+        o: 3,
+        c: 3,
+        t: 9,
+        l: 1000,
+        e: 0,
+        d: 0,
+        w: 0,
+        m: 0
+      }
+    );
+  }
+
+  static get SEARCH_DEPTH() {
+    return 1;
+  }
+
   getComputerMove() {
-    // Random mover:
     const moves = this.getAllValidMoves();
-    let move1 = moves[randInt(moves.length)];
+    // Split into "normal" and "random" moves:
+    // (Next splitting condition is OK because cannot take self object
+    // without a banana or bomb on the way).
+    const deterministicMoves = moves.filter(m => {
+      return m.vanish.every(a => a.c != 'a' || a.p == V.MUSHROOM);
+    });
+    const randomMoves = moves.filter(m => {
+      return m.vanish.some(a => a.c == 'a' && a.p != V.MUSHROOM);
+    });
+    if (Math.random() < deterministicMoves.length / randomMoves.length)
+      // Play a deterministic one: capture king or material if possible
+      return super.getComputerMove(deterministicMoves);
+    // Play a random effect move, at random:
+    let move1 = randomMoves[randInt(randomMoves.length)];
     this.play(move1);
     let move2 = undefined;
     if (this.subTurn == 2) {
@@ -1362,14 +1401,19 @@ export class ChakartRules extends ChessRules {
         )
       );
     }
-    if (
-      move.appear.length == 1 &&
-      move.vanish.length == 1 &&
-      move.appear[0].c == 'a' &&
-      move.vanish[0].c == 'a'
-    ) {
-      // Bonus replacement:
-      return move.appear[0].p.toUpperCase() + "@" + finalSquare;
+    if (move.appear.length == 1 && move.vanish.length == 1) {
+      const moveStart = move.appear[0].p.toUpperCase() + "@";
+      if (move.appear[0].c == 'a' && move.vanish[0].c == 'a')
+        // Bonus replacement:
+        return moveStart + finalSquare;
+      if (
+        move.vanish[0].p == V.INVISIBLE_QUEEN &&
+        move.appear[0].x == move.vanish[0].x &&
+        move.appear[0].y == move.vanish[0].y
+      ) {
+        // Toadette takes invisible queen
+        return moveStart + "Q" + finalSquare;
+      }
     }
     if (
       move.appear.length == 2 &&