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Toi toi

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This commit is contained in:
Correl Roush 2012-08-14 21:10:28 -04:00
parent d79fcb4b64
commit 74b38bde25
2 changed files with 17 additions and 0 deletions
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8
src/yaku.erl
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@ -18,6 +18,7 @@
san_shoku_doujun/2,
san_shoku_douko/2,
san_kan_tsu/2,
toi_toi/2,
kokushi_musou/2,
ryuu_iisou/2,
dai_san_gen/2]).
@ -147,6 +148,13 @@ san_kan_tsu(#game{}, #player{hand=#hand{melds=Melds}}) ->
Kans = [M || M = #meld{type=kan} <- Melds],
length(Kans) =:= 3.
%% @doc Returns true for a Toi toi hand
%% Hand must contain all triplets
toi_toi(#game{}, #player{hand=#hand{melds=Melds}}) ->
Pons = [M || M = #meld{type=T} <- Melds,
lists:member(T, [pon,kan])],
length(Pons) =:= 4.
%% @doc Returns true for a 7-pair hand.
-spec chiitoitsu(game(), player()) -> boolean().
chiitoitsu(#game{}, #player{hand=#hand{tiles=[], melds=Melds}})

9
test/riichi_yaku_tests.erl
View file

@ -84,6 +84,15 @@ san_kan_tsu_test() ->
#meld{type=chii, tiles=[#tile{suit=man, value=V} || V <- [6,7,8]]}]},
?assertEqual(true, yaku:san_kan_tsu(#game{}, #player{hand=Hand, drawn={tsumo, #tile{suit=dragon, value=red}}})).
toi_toi_test() ->
Hand = #hand{melds=[#meld{type=pair, tiles=lists:duplicate(2, #tile{suit=sou, value=8})},
#meld{type=kan, tiles=[#tile{suit=sou, value=V} || V <- [1,1,1,1]]},
#meld{type=kan, tiles=[#tile{suit=man, value=V} || V <- [1,1,1,1]]},
#meld{type=pon, tiles=[#tile{suit=pin, value=V} || V <- [2,2,2]]},
#meld{type=pon, tiles=[#tile{suit=pin, value=V} || V <- [8,8,8]]}]},
?assertEqual(true, yaku:toi_toi(#game{}, #player{hand=Hand, drawn={tsumo, #tile{suit=dragon, value=red}}})).
chiitoitsu_test() ->
Hand = #hand{melds=[#meld{type=pair, tiles=lists:duplicate(2, #tile{suit=pin, value=V})} || V <- lists:seq(1,7)]},
?assertEqual(true, yaku:chiitoitsu(#game{}, #player{hand=Hand})).