Experimental change: options replacing randomness (more general)

[vchess.git] / client / src / base_rules.js

diff --git a/client/src/base_rules.js b/client/src/base_rules.js
index 0549139..43f9f26 100644 (file)
--- a/client/src/base_rules.js
+++ b/client/src/base_rules.js
@@ -34,6 +34,30 @@ export const ChessRules = class ChessRules {
   //////////////
   // MISC UTILS
 
+  static get Options() {
+    return {
+      select: [
+        {
+          label: "Randomness",
+          variable: "randomness",
+          defaut: 2,
+          options: [
+            { label: "Deterministic", value: 0 },
+            { label: "Symmetric random", value: 1 },
+            { label: "Asymmetric random", value: 2 }
+          ]
+        }
+      ],
+      check: []
+    };
+  }
+
+  static AbbreviateOptions(opts) {
+    return "";
+    // Randomness is a special option: (TODO?)
+    //return "R" + opts.randomness;
+  }
+
   // Some variants don't have flags:
   static get HasFlags() {
     return true;
@@ -135,6 +159,14 @@ export const ChessRules = class ChessRules {
   static get LoseOnRepetition() {
     return false;
   }
+  // And in some others (Iceage), repetitions should be ignored:
+  static get IgnoreRepetition() {
+    return false;
+  }
+  loseOnRepetition() {
+    // In some variants, result depends on the position:
+    return V.LoseOnRepetition;
+  }
 
   // At some stages, some games could wait clicks only:
   onlyClick() {
@@ -335,8 +367,8 @@ export const ChessRules = class ChessRules {
   // FEN UTILS
 
   // Setup the initial random (asymmetric) position
-  static GenRandInitFen(randomness) {
-    if (randomness == 0)
+  static GenRandInitFen(options) {
+    if (!options.randomness || options.randomness == 0)
       // Deterministic:
       return "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w 0 ahah -";
 
@@ -344,7 +376,7 @@ export const ChessRules = class ChessRules {
     let flags = "";
     // Shuffle pieces on first (and last rank if randomness == 2)
     for (let c of ["w", "b"]) {
-      if (c == 'b' && randomness == 1) {
+      if (c == 'b' && options.randomness == 1) {
         pieces['b'] = pieces['w'];
         flags += flags;
         break;
@@ -442,8 +474,10 @@ export const ChessRules = class ChessRules {
       // if more than 9 consecutive free spaces, break the integer,
       // otherwise FEN parsing will fail.
       if (count <= 9) return count;
-      // Currently only boards of size up to 11 or 12:
-      return "9" + (count - 9);
+      // Most boards of size < 18:
+      if (count <= 18) return "9" + (count - 9);
+      // Except Gomoku:
+      return "99" + (count - 18);
     };
     let position = "";
     for (let i = 0; i < V.size.x; i++) {
@@ -759,9 +793,8 @@ export const ChessRules = class ChessRules {
       if (!!promotions) finalPieces = promotions;
       else if (!!V.PawnSpecs.promotions) finalPieces = V.PawnSpecs.promotions;
     }
-    let tr = null;
     for (let piece of finalPieces) {
-      tr = (piece != V.PAWN ? { c: color, p: piece } : null);
+      const tr = (piece != V.PAWN ? { c: color, p: piece } : null);
       moves.push(this.getBasicMove([x1, y1], [x2, y2], tr));
     }
   }
@@ -1035,6 +1068,9 @@ export const ChessRules = class ChessRules {
 
   // Stop at the first move found
   // TODO: not really, it explores all moves from a square (one is enough).
+  // Possible fix: add extra arg "oneMove" to getPotentialMovesFrom,
+  // and then return only boolean true at first move found
+  // (in all getPotentialXXXMoves() ... for all variants ...)
   atLeastOneMove() {
     const color = this.turn;
     for (let i = 0; i < V.size.x; i++) {