/nix/store/i1aar97n7b4yf8rk94p66if25brfvvdx-gqvzl8a5pvrg3xj44q0msrndcripi8dk-source/src/scoring/yakus/littlefourwinds.cc
Line | Count | Source |
1 | | #include "scoring/yakus/littlefourwinds.h" |
2 | | |
3 | | #include <vector> |
4 | | |
5 | | #include "analysis/handnode.h" |
6 | | #include "scoring/yakus.h" |
7 | | #include "types/gamestate.h" |
8 | | #include "types/sets.h" |
9 | | #include "types/yaku.h" |
10 | | |
11 | | namespace mahjong::yaku { |
12 | | bool isLittleFourWinds(const GameState& state, int player, |
13 | 0 | const std::vector<const mahjong::Node*>& branch) { |
14 | 0 | bool pair = false; |
15 | 0 | int pons = 0; |
16 | 0 | for (const auto* node : branch) { |
17 | 0 | switch (node->start().toUint8_t()) { |
18 | 0 | case Piece::Type::kEastWind: |
19 | 0 | case Piece::Type::kSouthWind: |
20 | 0 | case Piece::Type::kWestWind: |
21 | 0 | case Piece::Type::kNorthWind: |
22 | 0 | break; |
23 | 0 | default: |
24 | 0 | continue; |
25 | 0 | } |
26 | 0 | if (node->type() != SetType::kPair) { |
27 | 0 | pons++; |
28 | 0 | } else { |
29 | 0 | if (pair) { |
30 | 0 | return false; |
31 | 0 | } |
32 | 0 | pair = true; |
33 | 0 | } |
34 | 0 | } |
35 | 0 | if (!pair) { |
36 | 0 | return false; |
37 | 0 | } |
38 | 0 | for (const auto& meld : state.hands.at(player).melds) { |
39 | 0 | switch (meld.start.toUint8_t()) { |
40 | 0 | case Piece::Type::kEastWind: |
41 | 0 | case Piece::Type::kSouthWind: |
42 | 0 | case Piece::Type::kWestWind: |
43 | 0 | case Piece::Type::kNorthWind: |
44 | 0 | break; |
45 | 0 | default: |
46 | 0 | continue; |
47 | 0 | } |
48 | 0 | pons++; |
49 | 0 | } |
50 | 0 | return pons == 3 && pair; |
51 | 0 | } |
52 | | |
53 | | REGISTER_YAKU({ |
54 | | .id = "littlefourwinds", |
55 | | .name = "Little Four Winds", |
56 | | .type = Yaku::kYakuman, |
57 | | .value = 13, |
58 | | .is_yaku_func = yaku::isLittleFourWinds, |
59 | | }); |
60 | | } // namespace mahjong::yaku |