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-rw-r--r--server/hand.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/server/hand.h b/server/hand.h
index 46ae40a..e38a387 100644
--- a/server/hand.h
+++ b/server/hand.h
@@ -7,9 +7,21 @@ namespace Hand {
//! Check if the tiles constitute a complete hand. Also valid for the concealed part of an open hand.
bool agari(const Tiles& tiles);
+ //! Check if the tiles miss only one from constituting a complete hand. Also valid for the concealed part of an open hand.
+ bool tenpai(const Tiles& tiles);
+
// Check if the tiles is matching the normal format of one pair and rest triplets.
bool basic_format(const Tiles& tiles, bool pair_eaten = false);
+ // Check if the tiles is matching the normal format but missing one.
+ bool basic_format_tenpai(const Tiles& tiles, bool pair_eaten = false, bool wait_eaten = false);
+
+ // Eat a single tile (i.e. the tanki machi) from beginning of list and return rest.
+ Tiles eat_tanki(Tiles tiles);
+
+ // Eat two tiles waiting for a third to complete a chi (i.e. ryanmen, penchan or kanchan machi) if possible.
+ Tiles eat_chi_wait(Tiles tiles);
+
// Eat a pair from beginning of list if possible and return rest, else return empty list.
Tiles eat_pair(Tiles tiles);