New variant idea

[xogo.git] / variants / Alapo / class.js

diff --git a/variants/Alapo/class.js b/variants/Alapo/class.js
index 881671f..9fcfc98 100644 (file)
--- a/variants/Alapo/class.js
+++ b/variants/Alapo/class.js
@@ -1,6 +1,7 @@
 import ChessRules from "/base_rules.js";
-import { ArrayFun } from "/utils/array.js";
-import { Random } from "/utils/alea.js";
+import {ArrayFun} from "/utils/array.js";
+import {Random} from "/utils/alea.js";
+import {FenUtil} from "/utils/setupPieces.js";
 
 export default class AlapoRules extends ChessRules {
 
@@ -28,64 +29,27 @@ export default class AlapoRules extends ChessRules {
     return board;
   }
 
-  genRandInitFen(seed) {
-    if (this.options["randomness"] == 0)
-      return "rbqqbr/tcssct/6/6/TCSSCT/RBQQBR w 0";
-
-    Random.setSeed(seed);
-
+  genRandInitBaseFen() {
+    const s = FenUtil.setupPieces(
+      ['r', 'b', 'q', 'q', 'b', 'r'],
+      {
+        randomness: this.options["randomness"],
+        diffCol: ['b']
+      }
+    );
     const piece2pawn = {
       r: 't',
       q: 's',
       b: 'c'
     };
-
-    let pieces = { w: new Array(6), b: new Array(6) };
-    // Shuffle pieces on first (and last rank if randomness == 2)
-    for (let c of ["w", "b"]) {
-      if (c == 'b' && this.options["randomness"] == 1) {
-        pieces['b'] = pieces['w'];
-        break;
-      }
-
-      let positions = ArrayFun.range(6);
-
-      // Get random squares for bishops
-      let randIndex = 2 * Random.randInt(3);
-      const bishop1Pos = positions[randIndex];
-      let randIndex_tmp = 2 * Random.randInt(3) + 1;
-      const bishop2Pos = positions[randIndex_tmp];
-      positions.splice(Math.max(randIndex, randIndex_tmp), 1);
-      positions.splice(Math.min(randIndex, randIndex_tmp), 1);
-
-      // Get random square for queens
-      randIndex = Random.randInt(4);
-      const queen1Pos = positions[randIndex];
-      positions.splice(randIndex, 1);
-      randIndex = Random.randInt(3);
-      const queen2Pos = positions[randIndex];
-      positions.splice(randIndex, 1);
-
-      // Rooks positions are now fixed,
-      const rook1Pos = positions[0];
-      const rook2Pos = positions[1];
-
-      pieces[c][rook1Pos] = "r";
-      pieces[c][bishop1Pos] = "b";
-      pieces[c][queen1Pos] = "q";
-      pieces[c][queen2Pos] = "q";
-      pieces[c][bishop2Pos] = "b";
-      pieces[c][rook2Pos] = "r";
-    }
-
-    return (
-      pieces["b"].join("") + "/" +
-      pieces["b"].map(p => piece2pawn[p]).join("") +
+    const fen = (
+      s.b.join("") + "/" +
+      s.b.map(p => piece2pawn[p]).join("") +
       "/6/6/" +
-      pieces["w"].map(p => piece2pawn[p].toUpperCase()).join("") + "/" +
-      pieces["w"].join("").toUpperCase() +
-      " w 0"
+      s.w.map(p => piece2pawn[p].toUpperCase()).join("") + "/" +
+      s.w.join("").toUpperCase()
     );
+    return { fen: fen, o: {} };
   }
 
   // Triangles are rotated from opponent viewpoint (=> suffix "_inv")
@@ -98,7 +62,7 @@ export default class AlapoRules extends ChessRules {
         {"class": "bishop" + (this.playerColor != color ? "_inv" : "")}),
       's': { //"square"
         "class": "babyrook",
-        moves: [
+        both: [
           {
             steps: [[0, 1], [0, -1], [1, 0], [-1, 0]],
             range: 1
@@ -107,7 +71,7 @@ export default class AlapoRules extends ChessRules {
       },
       'c': { //"circle"
         "class": "babyqueen",
-        moves: [
+        both: [
           {
             steps: [
               [0, 1], [0, -1], [1, 0], [-1, 0],
@@ -119,7 +83,7 @@ export default class AlapoRules extends ChessRules {
       },
       't': { //"triangle"
         "class": "babybishop" + (this.playerColor != color ? "_inv" : ""),
-        moves: [
+        both: [
           {
             steps: [[1, 1], [1, -1], [-1, 1], [-1, -1]],
             range: 1
@@ -144,7 +108,7 @@ export default class AlapoRules extends ChessRules {
     // Try both colors (to detect potential suicides)
     let won = {};
     for (let c of ['w', 'b']) {
-      const oppCol = C.GetOppCol(c);
+      const oppCol = C.GetOppTurn(c);
       const goal = (c == 'w' ? 0 : 5);
       won[c] = this.board[goal].some((b,j) => {
         return (