diff options
Diffstat (limited to 'server/hand.cpp')
| -rw-r--r-- | server/hand.cpp | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/server/hand.cpp b/server/hand.cpp deleted file mode 100644 index bc4fb7a..0000000 --- a/server/hand.cpp +++ /dev/null @@ -1,252 +0,0 @@ -#include "hand.h" - -bool Hand::agari(const Tiles& tiles) { - return basic_format(tiles); -} - -bool Hand::tenpai(const Tiles& tiles) { - return basic_format_tenpai(tiles); -} - -List<Sets> Hand::get_breakdowns(const Tiles& tiles) { - List<Sets> hands; - - basic_format(tiles, hands); - - return hands; -} - -bool Hand::basic_format(const Tiles& tiles, bool pair_eaten) { - if(!tiles) { - return true; // All tiles eaten. - } - - Tiles rest; - - if(!pair_eaten) { - rest = tiles; - if(eat_pair(rest) && basic_format(rest, true)) { - return true; - } - } - - if(tiles.size() < 3) { - return false; - } - - rest = tiles; - if(eat_pon(rest) && basic_format(rest, pair_eaten)) { - return true; - } - - rest = tiles; - if(eat_chi(rest) && basic_format(rest, pair_eaten)) { - return true; - } - - return false; -} - -void Hand::basic_format(const Tiles& tiles, List<Sets>& hands, const Sets& hand, bool pair_eaten) { - if(!tiles) { - hands.push_back(hand); - return; // All tiles eaten. - } - - Tiles rest; - Sets new_hand; - - if(!pair_eaten) { - rest = tiles; - new_hand = hand; - if(eat_pair(rest, new_hand)) { - basic_format(rest, hands, new_hand, true); - } - } - - if(tiles.size() < 3) { - return; - } - - rest = tiles; - new_hand = hand; - if(eat_pon(rest, new_hand)) { - basic_format(rest, hands, new_hand, pair_eaten); - } - - rest = tiles; - new_hand = hand; - if(eat_chi(rest, new_hand)) { - basic_format(rest, hands, new_hand, pair_eaten); - } -} - -bool Hand::basic_format_tenpai(const Tiles& tiles, bool pair_eaten, bool wait_eaten) { - if(!tiles) { - return true; - } - - Tiles rest; - - if(!pair_eaten && !wait_eaten) { - rest = tiles; - if(eat_tanki(rest) && basic_format_tenpai(rest, true, true)) { - return true; - } - } - - if(tiles.size() < 2) { - return false; - } - - if(!pair_eaten) { - rest = tiles; - if(eat_pair(rest) && basic_format_tenpai(rest, true, wait_eaten)) { - return true; - } - } - - if(!wait_eaten) { - rest = tiles; - if(eat_chi_wait(rest) && basic_format_tenpai(rest, pair_eaten, true)) { - return true; - } - } - - if(tiles.size() < 3) { - return false; - } - - rest = tiles; - if(eat_pon(rest) && basic_format_tenpai(rest, pair_eaten, wait_eaten)) { - return true; - } - - rest = tiles; - if(eat_chi(rest) && basic_format_tenpai(rest, pair_eaten, wait_eaten)) { - return true; - } - - return false; -} - -bool Hand::eat_tanki(Tiles& tiles) { - tiles.erase(tiles.begin()); - return true; -} - -bool Hand::eat_chi_wait(Tiles& tiles) { - Tile::Set set = tiles.front().get_set(); - int num = tiles.front().get_num(); - - if(set == Tile::Honor || num > 8) { - return false; - } - - // Look for T+1. - Tiles::iterator it = std::find(tiles.begin(), tiles.end(), Tile(set, num + 1)); - if(it != tiles.end()) { - tiles.erase(it); - tiles.erase(tiles.begin()); - return true; - } - - if(num > 7) { - return Tiles(); - } - - // Look for T+2. - it = std::find(tiles.begin(), tiles.end(), Tile(set, num + 2)); - if(it != tiles.end()) { - tiles.erase(it); - tiles.erase(tiles.begin()); - return true; - } - - return false; -} - -bool Hand::eat_pair(Tiles& tiles) { - if(tiles[0] == tiles[1]) { - tiles.erase(tiles.begin(), tiles.begin() + 2); - return true; - } - return false; -} - -bool Hand::eat_pair(Tiles& tiles, Sets& hand) { - if(tiles[0] == tiles[1]) { - hand.push_back(Set(Set::Pair, Tiles(tiles.begin(), tiles.begin() + 2), false)); - tiles.erase(tiles.begin(), tiles.begin() + 2); - return true; - } - return false; -} - -bool Hand::eat_pon(Tiles& tiles) { - if(tiles[0] == tiles[2]) { - tiles.erase(tiles.begin(), tiles.begin() + 3); - return true; - } - return false; -} - -bool Hand::eat_pon(Tiles& tiles, Sets& hand) { - if(tiles[0] == tiles[2]) { - hand.push_back(Set(Set::Pon, Tiles(tiles.begin(), tiles.begin() + 3), false)); - tiles.erase(tiles.begin(), tiles.begin() + 3); - return true; - } - return false; -} - -bool Hand::eat_chi(Tiles& tiles) { - Tile::Set set = tiles.front().get_set(); - int num = tiles.front().get_num(); - - if(set == Tile::Honor || num > 7) { - // Can't be chi-ed. - return false; - } - - Tiles::iterator it1 = std::find(tiles.begin(), tiles.end(), Tile(set, num + 1)); - if(it1 != tiles.end()) { - Tiles::iterator it2 = std::find(tiles.begin(), tiles.end(), Tile(set, num + 2)); - if(it2 != tiles.end()) { - // We can eat a chi of tiles. - tiles.erase(it2); - tiles.erase(it1); - tiles.erase(tiles.begin()); - return true; - } - } - return false; -} - -bool Hand::eat_chi(Tiles& tiles, Sets& hand) { - Tile::Set set = tiles.front().get_set(); - int num = tiles.front().get_num(); - - if(set == Tile::Honor || num > 7) { - // Can't be chi-ed. - return false; - } - - Tiles::iterator it1 = std::find(tiles.begin(), tiles.end(), Tile(set, num + 1)); - if(it1 != tiles.end()) { - Tiles::iterator it2 = std::find(tiles.begin(), tiles.end(), Tile(set, num + 2)); - if(it2 != tiles.end()) { - // We can eat a chi of tiles. - Tiles chi; - chi.push_back(tiles.front()); - chi.push_back(*it1); - chi.push_back(*it2); - hand.push_back(Set(Set::Chi, chi, false)); - tiles.erase(it2); - tiles.erase(it1); - tiles.erase(tiles.begin()); - return true; - } - } - return false; -} |