X-Git-Url: https://git.auder.net/variants/Cwda/complete_rules.html?a=blobdiff_plain;f=client%2Fsrc%2Fvariants%2FOmega.js;h=7b5576cff2b29a6f04c37a6a488f280ce2959528;hb=f6c6d0c3c1b2fa33f8c7cfbbc1e9ab869c0054dd;hp=fa95f5e326c593c35011255362a62a725ab56993;hpb=472c0c4f5aa29d96e080873ebfce2a04f664d852;p=vchess.git

diff --git a/client/src/variants/Omega.js b/client/src/variants/Omega.js
index fa95f5e3..7b5576cf 100644
--- a/client/src/variants/Omega.js
+++ b/client/src/variants/Omega.js
@@ -36,6 +36,28 @@ export class OmegaRules extends ChessRules {
     return ([V.CHAMPION, V.WIZARD].includes(b[1]) ? "Omega/" : "") + b;
   }
 
+  static IsGoodPosition(position) {
+    if (position.length == 0) return false;
+    const rows = position.split("/");
+    if (rows.length != V.size.x) return false;
+    let kings = { "k": 0, "K": 0 };
+    for (let row of rows) {
+      let sumElts = 0;
+      for (let i = 0; i < row.length; i++) {
+        if (['K','k'].includes(row[i])) kings[row[i]]++;
+        if (['x'].concat(V.PIECES).includes(row[i].toLowerCase())) sumElts++;
+        else {
+          const num = parseInt(row[i]);
+          if (isNaN(num)) return false;
+          sumElts += num;
+        }
+      }
+      if (sumElts != V.size.y) return false;
+    }
+    if (Object.values(kings).some(v => v != 1)) return false;
+    return true;
+  }
+
   // NOTE: keep this extensive check because the board has holes
   static IsGoodEnpassant(enpassant) {
     if (enpassant != "-") {
@@ -252,7 +274,7 @@ export class OmegaRules extends ChessRules {
     }
   }
 
-  getEnpassanCaptures([x, y], shiftX) {
+  getEnpassantCaptures([x, y], shiftX) {
     const Lep = this.epSquares.length;
     const epSquare = this.epSquares[Lep - 1];
     let moves = [];
@@ -447,4 +469,17 @@ export class OmegaRules extends ChessRules {
       k: 1000
     };
   }
+
+  evalPosition() {
+    let evaluation = 0;
+    for (let i = 0; i < V.size.x; i++) {
+      for (let j = 0; j < V.size.y; j++) {
+        if (![V.EMPTY,V.NOTHING].includes(this.board[i][j])) {
+          const sign = this.getColor(i, j) == "w" ? 1 : -1;
+          evaluation += sign * V.VALUES[this.getPiece(i, j)];
+        }
+      }
+    }
+    return evaluation;
+  }
 };