Commit | Line | Data |
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68971030 BA |
1 | import { ChessRules, Move } from "@/base_rules"; |
2 | import { randInt } from "@/utils/alea"; | |
3 | ||
4 | export class DiceRules extends ChessRules { | |
5 | static get CanAnalyze() { | |
6 | return true;//false; | |
7 | } | |
8 | ||
9 | doClick(square) { | |
10 | if ( | |
11 | this.subTurn == 2 || | |
12 | isNaN(square[0]) || | |
13 | this.board[square[0]][square[1]] != V.EMPTY | |
14 | ) { | |
15 | return null; | |
16 | } | |
17 | // Announce the piece' type to be played: | |
18 | return this.getRandPieceMove(); | |
19 | } | |
20 | ||
21 | getPotentialMovesFrom([x, y]) { | |
22 | const L = this.p2play.length; | |
23 | if ( | |
24 | this.subTurn == 1 || | |
25 | // The piece type must match last p2play | |
26 | this.getPiece(x, y) != this.p2play[L-1] | |
27 | ) { | |
28 | return []; | |
29 | } | |
30 | return super.getPotentialMovesFrom([x, y]); | |
31 | } | |
32 | ||
33 | setOtherVariables(fen) { | |
34 | super.setOtherVariables(fen); | |
35 | this.p2play = []; | |
36 | this.subTurn = 1; | |
37 | } | |
38 | ||
39 | filterValid(moves) { | |
40 | return moves; | |
41 | } | |
42 | ||
43 | getCheckSquares() { | |
44 | return []; | |
45 | } | |
46 | ||
47 | getCurrentScore() { | |
48 | const color = this.turn; | |
49 | if (this.kingPos[color][0] < 0) return (color == 'w' ? "0-1" : "1-0"); | |
50 | return "*"; | |
51 | } | |
52 | ||
53 | play(move) { | |
54 | if (this.subTurn == 1) { | |
55 | this.subTurn = 2; | |
56 | this.p2play.push(move.appear[0].p); | |
57 | return; | |
58 | } | |
59 | // Subturn == 2 means the (dice-constrained) move is played | |
60 | move.flags = JSON.stringify(this.aggregateFlags()); | |
61 | V.PlayOnBoard(this.board, move); | |
62 | this.epSquares.push(this.getEpSquare(move)); | |
63 | this.movesCount++; | |
64 | this.turn = V.GetOppCol(this.turn); | |
65 | this.subTurn = 1; | |
66 | this.postPlay(move); | |
67 | } | |
68 | ||
69 | postPlay(move) { | |
70 | if (move.vanish.length == 2 && move.vanish[1].p == V.KING) | |
71 | this.kingPos[move.vanish[1].c] = [-1, -1]; | |
72 | // Castle flags for captured king won't be updated (not important...) | |
73 | super.postPlay(move); | |
74 | } | |
75 | ||
76 | undo(move) { | |
77 | if (this.subTurn == 2) { | |
78 | this.subTurn = 1; | |
79 | this.p2play.pop(); | |
80 | return; | |
81 | } | |
82 | this.disaggregateFlags(JSON.parse(move.flags)); | |
83 | V.UndoOnBoard(this.board, move); | |
84 | this.epSquares.pop(); | |
85 | this.movesCount--; | |
86 | this.turn = V.GetOppCol(this.turn); | |
87 | this.subTurn = 2; | |
88 | this.postUndo(move); | |
89 | } | |
90 | ||
91 | postUndo(move) { | |
92 | if (move.vanish.length == 2 && move.vanish[1].p == V.KING) | |
93 | this.kingPos[move.vanish[1].c] = [move.vanish[1].x, move.vanish[1].y]; | |
94 | super.postUndo(move); | |
95 | } | |
96 | ||
97 | getRandPieceMove() { | |
98 | // For current turn, find pieces which can move and roll a dice | |
99 | let canMove = {}; | |
100 | const color = this.turn; | |
101 | for (let i=0; i<8; i++) { | |
102 | for (let j=0; j<8; j++) { | |
103 | if (this.board[i][j] != V.EMPTY && this.getColor(i, j) == color) { | |
104 | const piece = this.getPiece(i, j); | |
105 | if ( | |
106 | !canMove[piece] && | |
107 | super.getPotentialMovesFrom([i, j]).length > 0 | |
108 | ) { | |
109 | canMove[piece] = [i, j]; | |
110 | } | |
111 | } | |
112 | } | |
113 | } | |
114 | const options = Object.keys(canMove); | |
115 | const randPiece = options[randInt(options.length)]; | |
116 | return ( | |
117 | new Move({ | |
118 | appear: [{ p: randPiece }], | |
119 | vanish: [], | |
120 | start: { x: -1, y: -1 }, | |
121 | end: { x: canMove[randPiece][0], y: canMove[randPiece][1] } | |
122 | }) | |
123 | ); | |
124 | } | |
125 | ||
126 | // Random mover | |
127 | getComputerMove() { | |
128 | const toPlay = this.getRandPieceMove(); | |
129 | this.play(toPlay); | |
130 | const moves = this.getAllValidMoves(); | |
131 | const choice = moves[randInt(moves.length)]; | |
132 | this.undo(toPlay); | |
133 | return [toPlay, choice]; | |
134 | } | |
135 | ||
136 | getNotation(move) { | |
137 | if (this.subTurn == 1) return move.appear[0].p.toUpperCase(); | |
138 | return super.getNotation(move); | |
139 | } | |
140 | }; |