Add Gomoku + Atarigo

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

diff --git a/client/src/variants/Teleport.js b/client/src/variants/Teleport.js
index b4e6d7f..cbf6a78 100644 (file)
--- a/client/src/variants/Teleport.js
+++ b/client/src/variants/Teleport.js
@@ -2,6 +2,13 @@ import { ChessRules, Move, PiPo } from "@/base_rules";
 import { randInt } from "@/utils/alea";
 
 export class TeleportRules extends ChessRules {
+
+  hoverHighlight([x, y]) {
+    // Testing move validity results in an infinite update loop.
+    // TODO: find a way to test validity anyway.
+    return (this.subTurn == 2 && this.board[x][y] == V.EMPTY);
+  }
+
   setOtherVariables(fen) {
     super.setOtherVariables(fen);
     this.subTurn = 1;
@@ -12,6 +19,11 @@ export class TeleportRules extends ChessRules {
     return this.subTurn == 1;
   }
 
+  canIplay(side, [x, y]) {
+    if (this.subTurn == 2) return (this.board[x][y] == V.EMPTY);
+    return super.canIplay(side, [x, y]);
+  }
+
   getPPpath(m) {
     if (
       m.vanish.length == 2 &&
@@ -129,13 +141,6 @@ export class TeleportRules extends ChessRules {
     return super.underCheck(color);
   }
 
-  getCurrentScore() {
-    if (this.subTurn == 2)
-      // Move not over
-      return "*";
-    return super.getCurrentScore();
-  }
-
   doClick(square) {
     if (isNaN(square[0])) return null;
     // If subTurn == 2 && square is empty && !underCheck, then teleport
@@ -222,28 +227,8 @@ export class TeleportRules extends ChessRules {
         }
       }
     }
-    else {
-      // Normal move
-      const firstRank = (c == "w" ? V.size.x - 1 : 0);
-      const oppCol = V.GetOppCol(c);
-      const oppFirstRank = V.size.x - 1 - firstRank;
-      if (move.vanish[0].p == V.KING && move.appear.length > 0)
-        this.castleFlags[c] = [V.size.y, V.size.y];
-      else if (
-        move.start.x == firstRank &&
-        this.castleFlags[c].includes(move.start.y)
-      ) {
-        const flagIdx = (move.start.y == this.castleFlags[c][0] ? 0 : 1);
-        this.castleFlags[c][flagIdx] = V.size.y;
-      }
-      if (
-        move.end.x == oppFirstRank &&
-        this.castleFlags[oppCol].includes(move.end.y)
-      ) {
-        const flagIdx = (move.end.y == this.castleFlags[oppCol][0] ? 0 : 1);
-        this.castleFlags[oppCol][flagIdx] = V.size.y;
-      }
-    }
+    // Normal check:
+    super.updateCastleFlags(move, move.vanish[0].p, c);
   }
 
   undo(move) {
@@ -294,16 +279,17 @@ export class TeleportRules extends ChessRules {
         moves2.forEach(m2 => {
           this.play(m2);
           const score = this.getCurrentScore();
-          const mvEval =
-            ["1-0", "0-1"].includes(score)
-              ? (score == "1-0" ? 1 : -1) * maxeval
-              : (score == "1/2" ? 0 : initEval);
+          let mvEval = 0;
+          if (["1-0", "0-1"].includes(score))
+            mvEval = (score == "1-0" ? 1 : -1) * maxeval;
+          else if (score == "*")
+            // Add small fluctuations to avoid dropping pieces always on the
+            // first square available.
+            mvEval = initEval + 0.05 - Math.random() / 10;
           if (
             (color == 'w' && mvEval > m.eval) ||
             (color == 'b' && mvEval < m.eval)
           ) {
-            // TODO: if many second moves have the same eval, only the
-            // first is kept. Could be randomized.
             m.eval = mvEval;
             m.next = m2;
           }
@@ -339,4 +325,5 @@ export class TeleportRules extends ChessRules {
       move.appear[0].p != V.PAWN ? move.appear[0].p.toUpperCase() : "";
     return piece + "@" + V.CoordsToSquare(move.end);
   }
+
 };