/nix/store/i1aar97n7b4yf8rk94p66if25brfvvdx-gqvzl8a5pvrg3xj44q0msrndcripi8dk-source/src/scoring/yakus/littlethreedragons.cc
Line | Count | Source |
1 | | #include "scoring/yakus/littlethreedragons.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 isLittleThreeDragons(const GameState& state, int player, |
13 | 10 | const std::vector<const mahjong::Node*>& branch) { |
14 | 10 | bool pair = false; |
15 | 10 | int pons = 0; |
16 | 53 | for (const auto* node : branch) { |
17 | 53 | switch (node->start().toUint8_t()) { |
18 | 2 | case Piece::Type::kRedDragon: |
19 | 16 | case Piece::Type::kGreenDragon: |
20 | 17 | case Piece::Type::kWhiteDragon: |
21 | 17 | break; |
22 | 36 | default: |
23 | 36 | continue; |
24 | 53 | } |
25 | 17 | if (node->type() == SetType::kPon) { |
26 | 7 | pons++; |
27 | 7 | } |
28 | 17 | if (node->type() == SetType::kPair) { |
29 | 6 | pair = true; |
30 | 6 | } |
31 | 17 | } |
32 | 10 | if (!pair) { |
33 | 4 | return false; |
34 | 4 | } |
35 | 6 | for (const auto& meld : state.hands.at(player).melds) { |
36 | 5 | switch (meld.start.toUint8_t()) { |
37 | 0 | case Piece::Type::kRedDragon: |
38 | 0 | case Piece::Type::kGreenDragon: |
39 | 5 | case Piece::Type::kWhiteDragon: |
40 | 5 | break; |
41 | 0 | default: |
42 | 0 | continue; |
43 | 5 | } |
44 | 5 | pons++; |
45 | 5 | } |
46 | 6 | return pons == 2 && pair; |
47 | 6 | } |
48 | | |
49 | | REGISTER_YAKU({ |
50 | | .id = "littlethreedragons", |
51 | | .name = "Little Three Dragons", |
52 | | .type = Yaku::kOpen, |
53 | | .value = 2, |
54 | | .is_yaku_func = yaku::isLittleThreeDragons, |
55 | | }); |
56 | | } // namespace mahjong::yaku |