Several small improvements + integrate options + first working draft of Cwda

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

diff --git a/client/src/variants/Suction.js b/client/src/variants/Suction.js
index 4ddffbe..77aef39 100644 (file)
--- a/client/src/variants/Suction.js
+++ b/client/src/variants/Suction.js
@@ -1,6 +1,17 @@
 import { ChessRules, PiPo, Move } from "@/base_rules";
+import { SuicideRules } from "@/variants/Suicide";
 
 export class SuctionRules extends ChessRules {
+
+  static get PawnSpecs() {
+    return Object.assign(
+      {},
+      ChessRules.PawnSpecs,
+      // No promotions:
+      { promotions: [V.PAWN] }
+    );
+  }
+
   static get HasFlags() {
     return false;
   }
@@ -132,16 +143,15 @@ export class SuctionRules extends ChessRules {
 
   filterValid(moves) {
     if (moves.length == 0) return [];
-    const color = this.turn;
     return moves.filter(m => {
       const L = this.cmoves.length; //at least 1: init from FEN
       return !this.oppositeMoves(this.cmoves[L - 1], m);
     });
   }
 
-  static GenRandInitFen(randomness) {
+  static GenRandInitFen(options) {
     // Add empty cmove:
-    return ChessRules.GenRandInitFen(randomness).slice(0, -6) + "- -";
+    return SuicideRules.GenRandInitFen(options) + " -";
   }
 
   getCmoveFen() {
@@ -164,20 +174,16 @@ export class SuctionRules extends ChessRules {
 
   postPlay(move) {
     super.postPlay(move);
-    if (move.vanish.length == 2) {
-      // Was opponent king swapped?
-      if (move.vanish[1].p == V.KING)
-        this.kingPos[this.turn] = [move.appear[1].x, move.appear[1].y];
-    }
+    // Was opponent king swapped?
+    if (move.vanish.length == 2 && move.vanish[1].p == V.KING)
+      this.kingPos[this.turn] = [move.appear[1].x, move.appear[1].y];
     this.cmoves.push(this.getCmove(move));
   }
 
   postUndo(move) {
     super.postUndo(move);
-    if (move.appear.length == 2) {
-      if (move.appear[1].p == V.KING)
-        this.kingPos[move.vanish[1].c] = [move.vanish[1].x, move.vanish[1].y];
-    }
+    if (move.appear.length == 2 && move.appear[1].p == V.KING)
+      this.kingPos[move.vanish[1].c] = [move.vanish[1].x, move.vanish[1].y];
     this.cmoves.pop();
   }
 
@@ -226,4 +232,5 @@ export class SuctionRules extends ChessRules {
       finalSquare
     );
   }
+
 };