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

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

diff --git a/client/src/variants/Suicide.js b/client/src/variants/Suicide.js
index 1304ba9..3b3c03c 100644 (file)
--- a/client/src/variants/Suicide.js
+++ b/client/src/variants/Suicide.js
@@ -3,11 +3,8 @@ import { ArrayFun } from "@/utils/array";
 import { shuffle } from "@/utils/alea";
 
 export class SuicideRules extends ChessRules {
-  static get HasFlags() {
-    return false;
-  }
 
-  static get HasCastle() {
+  static get HasFlags() {
     return false;
   }
 
@@ -19,6 +16,34 @@ export class SuicideRules extends ChessRules {
     );
   }
 
+  static IsGoodPosition(position) {
+    if (position.length == 0) return false;
+    const rows = position.split("/");
+    if (rows.length != V.size.x) return false;
+    // Just check that at least one piece of each color is there:
+    let pieces = { "w": 0, "b": 0 };
+    for (let row of rows) {
+      let sumElts = 0;
+      for (let i = 0; i < row.length; i++) {
+        const lowerRi = row[i].toLowerCase();
+        if (V.PIECES.includes(lowerRi)) {
+          pieces[row[i] == lowerRi ? "b" : "w"]++;
+          sumElts++;
+        }
+        else {
+          const num = parseInt(row[i], 10);
+          if (isNaN(num)) return false;
+          sumElts += num;
+        }
+      }
+      if (sumElts != V.size.y) return false;
+    }
+    if (Object.values(pieces).some(v => v == 0)) return false;
+    return true;
+  }
+
+  scanKings() {}
+
   // Trim all non-capturing moves (not the most efficient, but easy)
   static KeepCaptures(moves) {
     return moves.filter(m => m.vanish.length == 2);
@@ -27,12 +52,11 @@ export class SuicideRules extends ChessRules {
   // Stop at the first capture found (if any)
   atLeastOneCapture() {
     const color = this.turn;
-    const oppCol = V.GetOppCol(color);
     for (let i = 0; i < V.size.x; i++) {
       for (let j = 0; j < V.size.y; j++) {
         if (
           this.board[i][j] != V.EMPTY &&
-          this.getColor(i, j) != oppCol &&
+          this.getColor(i, j) == color &&
           this.getPotentialMovesFrom([i, j]).some(m => m.vanish.length == 2)
         ) {
           return true;
@@ -111,14 +135,13 @@ export class SuicideRules extends ChessRules {
     return -super.evalPosition();
   }
 
-  static GenRandInitFen(randomness) {
-    if (randomness == 0)
+  static GenRandInitFen(options) {
+    if (options.randomness == 0)
       return "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w 0 -";
 
     let pieces = { w: new Array(8), b: new Array(8) };
-    // Shuffle pieces on first and last rank
     for (let c of ["w", "b"]) {
-      if (c == 'b' && randomness == 1) {
+      if (c == 'b' && options.randomness == 1) {
         pieces['b'] = pieces['w'];
         break;
       }
@@ -130,8 +153,10 @@ export class SuicideRules extends ChessRules {
       if (rem2 == positions[1] % 2) {
         // Fix bishops (on different colors)
         for (let i=2; i<8; i++) {
-          if (positions[i] % 2 != rem2)
+          if (positions[i] % 2 != rem2) {
             [positions[1], positions[i]] = [positions[i], positions[1]];
+            break;
+          }
         }
       }
       for (let i = 0; i < 8; i++) pieces[c][positions[i]] = composition[i];
@@ -144,4 +169,5 @@ export class SuicideRules extends ChessRules {
       " w 0 -"
     );
   }
+
 };