Allow to set also randomness against computer

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

diff --git a/client/src/variants/Royalrace.js b/client/src/variants/Royalrace.js
index e3ed224..9318c12 100644 (file)
--- a/client/src/variants/Royalrace.js
+++ b/client/src/variants/Royalrace.js
@@ -19,10 +19,21 @@ export const VariantRules = class RoyalraceRules extends ChessRules {
     return { x: 11, y: 11 };
   }
 
-  static GenRandInitFen() {
+  static GenRandInitFen(randomness) {
+    if (randomness == 0)
+      return "11/11/11/11/11/11/11/11/11/QRBNP1pnbrq/KRBNP1pnbrk w 0";
+
     let pieces = { w: new Array(10), b: new Array(10) };
     // Shuffle pieces on first and second rank
     for (let c of ["w", "b"]) {
+      if (c == 'b' && randomness == 1) {
+        pieces['b'] = JSON.parse(JSON.stringify(pieces['w'])).reverse();
+        pieces['b'] =
+          pieces['b'].splice(5,10).reverse().concat(
+          pieces['b'].splice(0,5).reverse());
+        break;
+      }
+
       // Reserve 4 and 5 which are pawns positions
       let positions = ArrayFun.range(10).filter(i => i != 4 && i != 5);
 
@@ -178,7 +189,10 @@ export const VariantRules = class RoyalraceRules extends ChessRules {
     if (this.kingPos[color][0] == 0)
       // The opposing edge is reached!
       return color == "w" ? "1-0" : "0-1";
-    return "*";
+    if (this.atLeastOneMove())
+      return "*";
+    // Stalemate (will probably never happen)
+    return "1/2";
   }
 
   static get SEARCH_DEPTH() {