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1 | !752 |
2 | |
3 | static class XY {
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4 | int x, y; // 1-8 (a-h), 1-8 |
5 | |
6 | *(int *x, int *y) {}
|
7 | *() {}
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8 | |
9 | public boolean equals(O o) {
|
10 | //ret stdEq(this, o, "x", "y"); |
11 | if (!(o instanceof XY)) ret false; |
12 | XY xy = cast o; |
13 | ret x == xy.x && y == xy.y; |
14 | } |
15 | |
16 | boolean valid() {
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17 | ret x >= 1 && x <= 8 && y >= 1 && y <= 8; |
18 | } |
19 | |
20 | public S toString() {
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21 | ret (char) ('a'+x-1) + "" + y;
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22 | } |
23 | } |
24 | |
25 | static XY pos(S s) {
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26 | assertEquals(2, l(s)); |
27 | ret new XY(toLower(s.charAt(0))-'a'+1, s.charAt(1)-'1'+1); |
28 | } |
29 | |
30 | p {
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31 | makeBot("Chess Bot!");
|
32 | } |
33 | |
34 | answer {
|
35 | if "if the * is on *, where can it move?" {
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36 | S piece = m.unq(0), pos = m.unq(1); |
37 | try {
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38 | ret structure(allToString(destPlaces(piece, pos(pos)))); |
39 | } catch (Exception e) { ret str(e); }
|
40 | } |
41 | } |
42 | |
43 | static Map<S, int[]> movementTable = litmap( |
44 | "king", new int[] {-1, -1, 0, -1, 1, -1, -1, 0, 1, 0, -1, 1, 0, 1, 1, 1},
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45 | "queen", new int[] {-1, -1, -2, -2, -3, -3, -4, -4, -5, -5, -6, -6, -7, -7, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 1, -1, 2, -2, 3, -3, 4, -4, 5, -5, 6, -6, 7, -7, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, -6, 6, -7, 7, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, -1, 0, -2, 0, -3, 0, -4, 0, -5, 0, -6, 0, -7, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, -1, 0, -2, 0, -3, 0, -4, 0, -5, 0, -6, 0, -7},
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46 | "knight", new int[] {-1, -2, -2, -1, 1, -2, 2, -1, 1, 2, 2, 1, -1, 2, -2, 1},
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47 | "rook", new int[] {1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, -1, 0, -2, 0, -3, 0, -4, 0, -5, 0, -6, 0, -7, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, -1, 0, -2, 0, -3, 0, -4, 0, -5, 0, -6, 0, -7},
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48 | "bishop", new int[] {-1, -1, -2, -2, -3, -3, -4, -4, -5, -5, -6, -6, -7, -7, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 1, -1, 2, -2, 3, -3, 4, -4, 5, -5, 6, -6, 7, -7, -1, 1, -2, 2, -3, 3, -4, 4, -5, 5, -6, 6, -7, 7},
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49 | ); |
50 | |
51 | static L<XY> destPlaces(S piece, XY pos) {
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52 | int[] m = movementTable.get(piece.toLowerCase()); |
53 | if (m != null) |
54 | ret movements(pos, m); |
55 | throw fail("What is a *", piece);
|
56 | } |
57 | |
58 | static L<XY> movements(XY pos, int... bla) {
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59 | new L<XY> l; |
60 | for (int i = 0; i < l(bla); i += 2) |
61 | addIfValid(l, new XY(pos.x + bla[i], pos.y + bla[i+1])); |
62 | ret l; |
63 | } |
64 | |
65 | static void addIfValid(L<XY> l, XY xy) {
|
66 | if (xy.valid()) l.add(xy); |
67 | } |
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| Snippet ID: | #1002228 |
| Snippet name: | Chess Bot (developing) |
| Eternal ID of this version: | #1002228/1 |
| Text MD5: | 16f0de86f6507baed72f3e2b6abc40b3 |
| Transpilation MD5: | be3108d65ff5f4ee0620c829b5ce49df |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX source code |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2015-12-30 19:30:51 |
| Source code size: | 2271 bytes / 67 lines |
| Pitched / IR pitched: | No / Yes |
| Views / Downloads: | 662 / 1570 |
| Referenced in: | [show references] |