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a89fb4e9 | 1 | import AbstractSpecialCaptureRules from "/variants/_SpecialCaptures.js"; |
7c038235 | 2 | import {FenUtil} from "/utils/setupPieces.js"; |
0e466aac | 3 | import {Random} from "/utils/alea.js"; |
0e466aac | 4 | |
a89fb4e9 | 5 | export default class BaroqueRules extends AbstractSpecialCaptureRules { |
0e466aac BA |
6 | |
7 | static get Options() { | |
8 | return { | |
9 | select: C.Options.Select, | |
10 | input: [ | |
11 | { | |
12 | label: "Capture king", | |
13 | variable: "taking", | |
14 | type: "checkbox", | |
15 | defaut: false | |
16 | } | |
17 | ], | |
18 | styles: [ | |
19 | "balance", | |
20 | "capture", | |
21 | "crazyhouse", | |
22 | "cylinder", | |
23 | "doublemove", | |
24 | "progressive", | |
25 | "recycle", | |
26 | "teleport" | |
27 | ] | |
28 | }; | |
29 | } | |
30 | ||
31 | get hasFlags() { | |
32 | return false; | |
33 | } | |
0e466aac BA |
34 | |
35 | genRandInitBaseFen() { | |
7c038235 BA |
36 | const s = FenUtil.setupPieces( |
37 | ['r', 'n', 'b', 'q', 'k', 'b', 'n', 'i'], {diffCol: ['b']}); | |
38 | if (this.options["randomness"] <= 1) { | |
39 | // Fix immobilizers/rooks pattern | |
40 | const toExchange1 = s.w.indexOf('r'), | |
41 | toExchange2 = s.w.indexOf('i'); | |
42 | s.w[toExchange1] = 'i'; | |
43 | s.w[toExchange2] = 'r'; | |
0e466aac | 44 | } |
7c038235 BA |
45 | return { |
46 | fen: s.b.join("") + "/pppppppp/8/8/8/8/PPPPPPPP/" + | |
47 | s.w.join("").toUpperCase(), | |
48 | o: {} | |
49 | }; | |
0e466aac BA |
50 | } |
51 | ||
0e466aac BA |
52 | pieces() { |
53 | return Object.assign({}, | |
54 | super.pieces(), | |
55 | { | |
56 | 'p': { | |
a89fb4e9 | 57 | "class": "pawn", //pincer |
0e466aac BA |
58 | moves: [ |
59 | {steps: [[0, 1], [0, -1], [1, 0], [-1, 0]]} | |
60 | ] | |
61 | }, | |
62 | 'r': { | |
a89fb4e9 | 63 | "class": "rook", //coordinator |
0e466aac BA |
64 | moves: [ |
65 | { | |
66 | steps: [ | |
67 | [1, 0], [0, 1], [-1, 0], [0, -1], | |
68 | [1, 1], [1, -1], [-1, 1], [-1, -1] | |
69 | ] | |
70 | } | |
71 | ] | |
72 | }, | |
73 | 'n': { | |
a89fb4e9 | 74 | "class": "knight", //long-leaper |
0e466aac BA |
75 | moveas: 'r' |
76 | }, | |
77 | 'b': { | |
a89fb4e9 | 78 | "class": "bishop", //chameleon |
0e466aac BA |
79 | moveas: 'r' |
80 | }, | |
81 | 'q': { | |
a89fb4e9 | 82 | "class": "queen", //withdrawer |
0e466aac BA |
83 | moveas: 'r' |
84 | }, | |
85 | 'i': { | |
86 | "class": "immobilizer", | |
a89fb4e9 | 87 | moveas: 'r' |
0e466aac BA |
88 | } |
89 | } | |
90 | ); | |
91 | } | |
92 | ||
93 | // Is piece on square (x,y) immobilized? | |
94 | isImmobilized([x, y]) { | |
95 | const piece = this.getPiece(x, y); | |
96 | const color = this.getColor(x, y); | |
97 | const oppCol = C.GetOppCol(color); | |
98 | const adjacentSteps = this.pieces()['k'].moves[0].steps; | |
99 | for (let step of adjacentSteps) { | |
100 | const [i, j] = [x + step[0], this.getY(y + step[1])]; | |
101 | if ( | |
102 | this.onBoard(i, j) && | |
103 | this.board[i][j] != "" && | |
104 | this.getColor(i, j) == oppCol | |
105 | ) { | |
106 | const oppPiece = this.getPiece(i, j); | |
107 | if (oppPiece == 'i') { | |
108 | // Moving is possible only if this immobilizer is neutralized | |
109 | for (let step2 of adjacentSteps) { | |
110 | const [i2, j2] = [i + step2[0], this.getY(j + step2[1])]; | |
111 | if (i2 == x && j2 == y) | |
112 | continue; //skip initial piece! | |
113 | if ( | |
114 | this.onBoard(i2, j2) && | |
115 | this.board[i2][j2] != "" && | |
116 | this.getColor(i2, j2) == color | |
117 | ) { | |
118 | if (['b', 'i'].includes(this.getPiece(i2, j2))) | |
119 | return false; | |
120 | } | |
121 | } | |
122 | return true; //immobilizer isn't neutralized | |
123 | } | |
124 | // Chameleons can't be immobilized twice, | |
125 | // because there is only one immobilizer | |
126 | if (oppPiece == 'b' && piece == 'i') | |
127 | return true; | |
128 | } | |
129 | } | |
130 | return false; | |
131 | } | |
132 | ||
133 | canTake([x1, y1], [x2, y2]) { | |
134 | // Deactivate standard captures, except for king: | |
135 | return ( | |
136 | this.getPiece(x1, y1) == 'k' && | |
137 | this.getColor(x1, y1) != this.getColor(x2, y2) | |
138 | ); | |
139 | } | |
140 | ||
141 | postProcessPotentialMoves(moves) { | |
142 | if (moves.length == 0) | |
143 | return []; | |
144 | switch (moves[0].vanish[0].p) { | |
145 | case 'p': | |
a89fb4e9 | 146 | this.addPincerCaptures(moves); |
0e466aac BA |
147 | break; |
148 | case 'r': | |
a89fb4e9 | 149 | this.addCoordinatorCaptures(moves); |
0e466aac BA |
150 | break; |
151 | case 'n': | |
152 | const [x, y] = [moves[0].start.x, moves[0].start.y]; | |
a89fb4e9 | 153 | moves = moves.concat(this.getLeaperCaptures([x, y])); |
0e466aac BA |
154 | break; |
155 | case 'b': | |
a89fb4e9 | 156 | moves = this.getChameleonCaptures(moves, "pull"); |
0e466aac BA |
157 | break; |
158 | case 'q': | |
a89fb4e9 | 159 | this.addPushmePullyouCaptures(moves, false, "pull"); |
0e466aac BA |
160 | break; |
161 | } | |
162 | return moves; | |
163 | } | |
164 | ||
0e466aac | 165 | }; |