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1 | import ChessRules from "/base_rules.js"; |
2 | ||
3 | export default class AbsorptionRules extends ChessRules { | |
4 | ||
5 | static get Options() { | |
6 | return { | |
7 | select: C.Options.select, | |
8f57fbf2 | 8 | input: C.Options.input, |
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9 | styles: [ |
10 | "balance", | |
11 | "capture", | |
12 | "cylinder", | |
13 | "dark", | |
14 | "doublemove", | |
15 | "progressive", | |
16 | "recycle", | |
57b8015b | 17 | //"rifle", //TODO |
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18 | "teleport", |
19 | "zen" | |
20 | ] | |
21 | }; | |
22 | } | |
23 | ||
57b8015b | 24 | pieces(color, x, y) { |
c9ab0340 | 25 | let fusions = { |
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26 | // amazon |
27 | 'a': { | |
28 | "class": "amazon", | |
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29 | moves: [ |
30 | { | |
31 | steps: [ | |
32 | [0, 1], [0, -1], [1, 0], [-1, 0], | |
33 | [1, 1], [1, -1], [-1, 1], [-1, -1] | |
34 | ] | |
35 | }, | |
36 | { | |
37 | steps: [ | |
38 | [1, 2], [1, -2], [-1, 2], [-1, -2], | |
39 | [2, 1], [-2, 1], [2, -1], [-2, -1] | |
40 | ], | |
41 | range: 1 | |
42 | } | |
b99ce1fb | 43 | ] |
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44 | }, |
45 | // empress | |
46 | 'e': { | |
47 | "class": "empress", | |
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48 | moves: [ |
49 | { | |
50 | steps: [ | |
51 | [1, 0], [-1, 0], [0, 1], [0, -1] | |
52 | ] | |
53 | }, | |
54 | { | |
55 | steps: [ | |
56 | [1, 2], [1, -2], [-1, 2], [-1, -2], | |
57 | [2, 1], [-2, 1], [2, -1], [-2, -1] | |
58 | ], | |
59 | range: 1 | |
60 | } | |
61 | ] | |
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62 | }, |
63 | // princess | |
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64 | 's': { |
65 | "class": "princess", | |
66 | moves: [ | |
67 | { | |
68 | steps: [ | |
69 | [1, 1], [1, -1], [-1, 1], [-1, -1] | |
70 | ] | |
71 | }, | |
72 | { | |
73 | steps: [ | |
74 | [1, 2], [1, -2], [-1, 2], [-1, -2], | |
75 | [2, 1], [-2, 1], [2, -1], [-2, -1] | |
76 | ], | |
77 | range: 1 | |
78 | } | |
79 | ] | |
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80 | } |
81 | }; | |
57b8015b | 82 | return Object.assign(fusions, super.pieces(color, x, y)); |
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83 | } |
84 | ||
85 | static get MergeComposed() { | |
86 | return { | |
87 | "be": "a", | |
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88 | "bq": "q", |
89 | "br": "q", | |
b99ce1fb | 90 | "bs": "s", |
57b8015b | 91 | "eq": "a", |
b99ce1fb | 92 | "er": "e", |
57b8015b | 93 | "es": "a", |
b99ce1fb | 94 | "rs": "a", |
57b8015b | 95 | "qr": "q", |
b99ce1fb | 96 | "qs": "a", |
57b8015b | 97 | "rs": "a" |
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98 | }; |
99 | } | |
100 | ||
57b8015b | 101 | // Assumption p1 != p2 |
b99ce1fb | 102 | static Fusion(p1, p2) { |
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103 | if (p1 == "k") |
104 | return p1; | |
105 | if (p1 == "p") | |
106 | return p2; | |
107 | if (p2 == "p") | |
108 | return p1; | |
109 | if ([p1, p2].includes("n")) { | |
110 | if ([p1, p2].includes("q")) | |
111 | return "a"; | |
112 | if ([p1, p2].includes("r")) | |
113 | return "e"; | |
114 | if ([p1, p2].includes("b")) | |
115 | return "s"; | |
b99ce1fb | 116 | // p1 or p2 already have knight + other piece |
57b8015b | 117 | return (p1 == "n" ? p2 : p1); |
b99ce1fb | 118 | } |
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119 | if ([p1, p2].includes("a")) |
120 | return "a"; | |
121 | // No king, no pawn, no knight or amazon => 5 remaining pieces | |
122 | return V.MergeComposed[[p1, p2].sort().join("")]; | |
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123 | } |
124 | ||
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125 | // TODO: interaction with rifle ? |
126 | postProcessPotentialMoves(moves) { | |
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127 | // Filter out capturing promotions (except one), |
128 | // because they are all the same. | |
129 | moves = moves.filter(m => { | |
130 | return ( | |
131 | m.vanish.length == 1 || | |
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132 | m.vanish[0].p != "p" || |
133 | ["p", "q"].includes(m.appear[0].p) | |
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134 | ); |
135 | }); | |
136 | moves.forEach(m => { | |
137 | if ( | |
138 | m.vanish.length == 2 && | |
139 | m.appear.length == 1 && | |
57b8015b | 140 | m.vanish[0].p != m.vanish[1].p |
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141 | ) { |
142 | // Augment pieces abilities in case of captures | |
57b8015b | 143 | m.appear[0].p = V.Fusion(m.vanish[0].p, m.vanish[1].p); |
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144 | } |
145 | }); | |
635418a5 | 146 | return super.postProcessPotentialMoves(moves); |
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147 | } |
148 | ||
149 | }; |