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Add the rummy family: meld engine + Gin, Rummy, Rummy 500, Hand & Foot

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Introduce a shared meld engine and four games built on it, all on
cg-core/EIEIO with console UNICODE rendering.

* cg-rummy.el: the meld engine and Gin Rummy.  Set/run validation,
  candidate-meld enumeration, a bitmask-DP minimum-deadwood partition,
  and a layoff finder, plus the abstract cg-rummy-game base and shared
  render helpers.  Gin is two-handed with draw/take/discard/knock, gin
  and undercut bonuses, opponent layoffs, and play to 100.

* cg-rum500.el: the abstract cg-tablemeld-game (one mode and command
  set, dispatching on the subclass) driving Basic Rummy (meld out;
  score the cards left in other hands; to 100) and Rummy 500 (score the
  cards you lay down, lose those left in hand; ace high and worth 15;
  to 500).

* cg-handfoot.el: Hand & Foot, a partnership Canasta cousin.  Hand and
  foot packets, Twos and Jokers wild, rank books with clean/dirty piles,
  go-out bonus, and partnership scoring to 5000.  Deliberately
This commit is contained in:
Corwin Brust 2026-06-25 05:53:02 -05:00
parent b5410e1830
commit 86c44a362a
8 changed files with 1782 additions and 2 deletions
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13
card-games.el
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@ -49,6 +49,9 @@
(require 'cg-eights)
(require 'cg-patience)
(require 'cg-president)
(require 'cg-rummy)
(require 'cg-rum500)
(require 'cg-handfoot)
(defvar card-games-list
'(("500 (Bid)" cg-bid
@ -88,7 +91,15 @@
("Oh Hell" cg-ohhell
"Trick-taking: shrinking hands; bid the exact tricks you will take.")
("President" cg-president
"Climbing: shed your hand; first out rules, last out scrubs."))
"Climbing: shed your hand; first out rules, last out scrubs.")
("Gin Rummy" cg-gin
"Rummy: form melds, knock with little deadwood; head to head to 100.")
("Rummy" cg-rummy-basic
"Rummy: meld your whole hand to the table to go out.")
("Rummy 500" cg-rum500
"Rummy: score the cards you lay down; race past 500.")
("Hand & Foot" cg-handfoot
"Rummy: partnership Canasta cousin; build books from hand and foot."))
"Registry of playable games.
Each entry is (NAME COMMAND DESCRIPTION); `card-game' lists them.")