Update TODO
[vchess.git] / client / src / variants / Pawnsking.js
1 import { ChessRules } from "@/base_rules";
2
3 export class PawnskingRules extends ChessRules {
4 static get PawnSpecs() {
5 return Object.assign(
6 {},
7 ChessRules.PawnSpecs,
8 // The promotion piece doesn't matter, the game is won
9 { promotions: [V.QUEEN] }
10 );
11 }
12
13 static get HasFlags() {
14 return false;
15 }
16
17 static GenRandInitFen() {
18 return "4k3/pppppppp/8/8/8/8/PPPPPPPP/4K3 w 0 -";
19 }
20
21 filterValid(moves) {
22 return moves;
23 }
24
25 getCheckSquares() {
26 return [];
27 }
28
29 getCurrentScore() {
30 const color = this.turn;
31 if (this.kingPos[color][0] < 0) return (color == "w" ? "0-1" : "1-0");
32 const oppCol = V.GetOppCol(color);
33 const lastRank = (oppCol == 'w' ? 0 : 7);
34 if (this.board[lastRank].some(cell => cell[0] == oppCol))
35 // The opposing edge is reached!
36 return (oppCol == "w" ? "1-0" : "0-1");
37 if (this.atLeastOneMove()) return "*";
38 return "1/2";
39 }
40
41 postPlay(move) {
42 super.postPlay(move);
43 if (move.vanish.length == 2 && move.vanish[1].p == V.KING)
44 this.kingPos[this.turn] = [-1, -1];
45 }
46
47 postUndo(move) {
48 super.postUndo(move);
49 if (move.vanish.length == 2 && move.vanish[1].p == V.KING)
50 this.kingPos[move.vanish[1].c] = [move.vanish[1].x, move.vanish[1].y];
51 }
52
53 static get SEARCH_DEPTH() {
54 return 4;
55 }
56 };