/nix/store/i1aar97n7b4yf8rk94p66if25brfvvdx-gqvzl8a5pvrg3xj44q0msrndcripi8dk-source/src/scoring/yakus/pinfu.cc
Line | Count | Source |
1 | | #include "scoring/yakus/pinfu.h" |
2 | | |
3 | | #include <algorithm> |
4 | | #include <vector> |
5 | | |
6 | | #include "analysis/handnode.h" |
7 | | #include "analysis/util.h" |
8 | | #include "scoring/yakus.h" |
9 | | #include "statefunctions/stateutilities.h" |
10 | | #include "types/gamestate.h" |
11 | | #include "types/pieces.h" |
12 | | #include "types/sets.h" |
13 | | #include "types/yaku.h" |
14 | | |
15 | | namespace mahjong::yaku { |
16 | | bool isPinfu(const GameState& state, int player, |
17 | 6 | const std::vector<const mahjong::Node*>& branch) { |
18 | 6 | if (state.hands.at(player).open) { |
19 | 1 | return false; |
20 | 1 | } |
21 | 26 | for (const auto* node : branch) { |
22 | 26 | switch (node->type()) { |
23 | 1 | case SetType::kPon: |
24 | 1 | case SetType::kConcealedKan: |
25 | 1 | case SetType::kKan: |
26 | 2 | case SetType::kSingle: |
27 | 2 | return false; |
28 | | |
29 | 18 | case SetType::kChi: |
30 | 24 | case SetType::kPair: { |
31 | 24 | if (node->start() == kRedDragon || node->start() == kWhiteDragon || |
32 | 24 | node->start() == kGreenDragon) { |
33 | 0 | return false; |
34 | 0 | } |
35 | 24 | if (node->start() == kSouthWind && state.roundNum > 3) { |
36 | 0 | return false; |
37 | 0 | } |
38 | 24 | if (node->start() == kEastWind && state.roundNum < 4) { |
39 | 0 | return false; |
40 | 0 | } |
41 | 24 | if (node->start() == Piece::fromWind(GetSeat(state.roundNum, player))) { |
42 | 0 | return false; |
43 | 0 | } |
44 | 24 | } |
45 | 26 | } |
46 | 26 | } |
47 | 3 | std::vector<Piece> hand = state.hands.at(player).live; |
48 | 3 | hand.erase(std::find(hand.begin(), hand.end(), state.pendingPiece)); |
49 | 3 | return isInTenpai13Pieces(hand, /*allWaits=*/true).size() > 1; |
50 | 5 | } |
51 | | |
52 | | REGISTER_YAKU({ |
53 | | .id = "pinfu", |
54 | | .name = "Pinfu", |
55 | | .type = Yaku::kClosed, |
56 | | .value = 1, |
57 | | .is_yaku_func = yaku::isPinfu, |
58 | | }); |
59 | | } // namespace mahjong::yaku |