Five dice, thirteen boxes, three throws a turn. The first dice game in the
app -- backgammon rolls them, but as a race rather than for what the faces
themselves are worth.
The throw is derived from the state rather than from a generator held on the
side. applyMove has to return the same thing every time it is given the same
state and move, because the host and every client run it separately, and a
throw that differed between them would split the game in two. Seeding on the
round, the seat, the rolls used and what was kept gives dice that are
unpredictable to play against and identical to replay.
RollDice carries positions rather than faces. Two fives are two different dice,
and keeping one while rerolling the other is something a set of faces cannot
say.
A card is thirteen slots in printed order rather than a map, so an unfilled box
crosses the wire as a plain null instead of going missing. A full house is
strictly three and two, so five of a kind does not pay for it -- that is what is
printed on the card, and the joker variations that say otherwise are not played
here. The second-Yahtzee hundred is only earned over a fifty: a zero written in
that box earlier forfeits it.
The AI does not try each way of keeping and look at what came back. Since the
throw is a pure function of the state and the dice held, that would be reading
the roll before making it -- winning by seeing the future rather than by playing
well. It decides from what is already on the table: a run if one is nearly
there, otherwise the face there is most of.
Not in GameCatalog yet, for the same reason as the others: the id exists so the
rules compile, and the entry lands with the screen.
Co-Authored-By: Claude Opus 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Urn6eEBA6XzrnfoibL7faC
Claude
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