Some thoughts about Coregal

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

diff --git a/variants/Coregal/class.js b/variants/Coregal/class.js
index b563fec..4df32ad 100644 (file)
--- a/variants/Coregal/class.js
+++ b/variants/Coregal/class.js
@@ -4,8 +4,6 @@ import { randInt, sample } from "@/utils/alea";
 
 export class CoregalRules extends ChessRules {
 
-//TODO: CSS royal queen symbol
-
   genRandInitBaseFen() {
     const s = FenUtil.setupPieces(
       ['r', 'n', 'b', 'l', 'k', 'b', 'n', 'r'],
@@ -13,28 +11,35 @@ export class CoregalRules extends ChessRules {
         randomness: this.options["randomness"],
         between: [{p1: 'k', p2: 'r'}, {p1: 'l', p2: 'r'}],
         diffCol: ['b'],
-        flags: ['r', 'k', 'l'] //TODO: add 'k' to all 'flags' calls ??!
+        // 'k' and 'l' useful only to get relative position
+        flags: ['r', 'k', 'l']
       }
     );
     return {
       fen: s.b.join("") + "/pppppppp/8/8/8/8/PPPPPPPP/" +
            s.w.join("").toUpperCase(),
-      o: {flags: s.flags}
+      // TODO: re-arrange flags, use another init variable "relPos" (in o)
+      // (maybe after FEN parsing, easier?)
+      o: {flags: s.flags + s.flags} //second set for royal queen
     };
   }
 
   pieces() {
     let res = super.pieces();
     res['l'] = JSON.parse(JSON.stringify(res['q']));
+    // TODO: CSS royal queen symbol (with cross?)
     res['l']["class"] = "royal_queen";
     return res;
   }
 
+  // TODO: something like that indeed (+ flags to FEN)
   setFlags(fenflags) {
-    // white pieces positions, then black pieces positions
-    this.castleFlags = { w: [...Array(4)], b: [...Array(4)] };
+    this.castleFlags = {
+      'k': { 'w': [...Array(4)], b: [...Array(4)] },
+      'l': { 'w': [...Array(4)], b: [...Array(4)] }
+    };
     for (let i = 0; i < 8; i++) {
-      this.castleFlags[i < 4 ? "w" : "b"][i % 4] =
+      this.castleFlags[i < 4 ? "k" : "l"][i % 4 < 2 ? "w" : "b"] =
         parseInt(fenflags.charAt(i), 10);
     }
   }
@@ -46,22 +51,20 @@ export class CoregalRules extends ChessRules {
   }
 
   getCastleMoves([x, y]) {
+    const c = this.getColor(x, y),
+          p = this.getPiece(x, y);
     // Relative position of the selected piece: left or right ?
     // If left: small castle left, large castle right.
     // If right: usual situation.
-    const c = this.getColor(x, y);
-    const relPos = (this.castleFlags[c][1] == y ? "left" : "right");
-
     const finalSquares = [
-      relPos == "left" ? [1, 2] : [2, 3],
-      relPos == "right" ? [6, 5] : [5, 4]
+      this.relPos[c][p] == "left" ? [1, 2] : [2, 3],
+      this.relPos[c][p] == "right" ? [6, 5] : [5, 4]
     ];
-    const saveFlags = JSON.stringify(this.castleFlags[c]);
-    // Alter flags to follow base_rules semantic
-    this.castleFlags[c] = [0, 3].map(i => this.castleFlags[c][i]);
-    const moves = super.getCastleMoves([x, y], finalSquares);
-    this.castleFlags[c] = JSON.parse(saveFlags);
+    const moves =
+      super.getCastleMoves([x, y], finalSquares, null, this.castleFlags[p]);
     return moves;
   }
 
+  // TODO: updateFlags (just pass castleFlags arg)
+
 };