README.md

   1 # solVItaire
   2
   3 Play klondike and spider solitaire in your unicode terminal.
   4
   5 Supports `vi` style keybindings (hjkl), cursor keys and the mouse. Press `J` to
   6 'join' a well-suited pile to the cursor. `Space` locks in a selection, and
   7 `Return` pulls cards from the stack in spider solitaire. Piles can also be
   8 *directly addressed* by the number below them (or 8, 9, 0 for stack, waste and
   9 foundation in klondike).
  10 See `$PROGNAME -h` for details.
  11
  12 ## Details
  13
  14 For details and screenshots see the project homepage at
  15 **https://gir.st/sol.htm**
  16
  17 ## Makefile Options
  18
  19 By default the character set uses an `X` to for the 10 card. Compile with `make
  20 DECIMAL_TEN=1` to display the letters `10` instead.
  21
  22 ## License
  23
  24 You can use, study, share and improve this software under the terms of the GNU
  25 General Public License, version 3. Copyright 2019 Tobias Girstmair. For
  26 licensing details, see `LICENSE`.
  27
  28 <details><summary>
  29 <h2>TODO</h2>
  30 </summary>
  31
  32 ### P1
  33  * none! \o/
  34 ### P2
  35  * TODO: suggest moves (`h` => hint)
  36  * TODO: cleanup: in `x2y()` functions there is a lot of replication and noise
  37          when calculating legal moves, top cards, etc.
  38 ### P3
  39  * TODO: visbell changes: instead of screen, flash active {cursor,card} {red,twice}?
  40  * TODO: differential drawing mode (at least for highlighting cards)
  41  * TODO: `.` command (repeat last action)
  42          read data fron undo-head?
  43  * TODO: `wait_mouse_up()` sometimes hangs in kde konsole (trash the `level++`
  44          and just return an error)
  45 ### P4
  46  * TODO: ellipsis overlap: if more than three cards in a row overlap, replace
  47          middle ones with an ellipsis
  48  * TODO: mouse mode improvements:
  49           - spider/freecell: detect how many cards to move to empty pile
  50             (must find exact position despite `extreme_overlap`)
  51  * TODO: scores, variants: draw 3, max. n overturns
  52  * TODO: klondike/freecell: auto-move to foundation (optional)
  53          workaround: multiple joins to foundation
  54  * TODO: vt220 mode (problems: charset, slow baudrate and no differential drawing mode)
  55  * TODO: ed(1) mode (solEDaire): playable on a line printer; ascii/ibm only?
  56
  57 ### DONE
  58  * DONE: use `#ifdef`s to differentiate games (sol, spider, ed-sol, ed-spider)
  59  * DONE: keyboard alias: twice same key == waste/pile -> foundation
  60  * DONE: spider keyboard: `<from><to>` stacks; 1-9,0=tableu, return=draw
  61  * DONE: spider: easy/medium difficulty: only deal 1/2 suits instead of 4 -> deal()
  62  * DONE: patience: allow taking from 0(foundation)
  63  * DONE: highlight `from` pile, so users can see at what input stage they are
  64  * DONE: make piles 0-indexed in klondike as well
  65  * DONE: duplicate card ♠A found in tableu: added check at start to monitor this
  66          Cannot reproduce, removed check
  67  * DONE: bugs in spider's t2t()
  68          * once segfaulted on large column
  69          * sometimes doesn't work (ERR when it should be OK)
  70          Cannot reproduce
  71  * DONE: some input functions are in `x2y()` -- move them to `get_cmd()` (req.
  72          for mouse, hjkl modes)
  73  * DONE: sigint, sigcont handler! atexit() to avoid inconsistent term state
  74  * DONE: hjkl keyboard mode
  75  * DONE: more vim mode keys (first/last tableu)
  76  * DONE: online (key-)help `?`, `-h`, `-v` (NOTE: implemented -h, rest deemed
  77          not usedul)
  78  * DONE: extreme overlapping: if we are printing a sequence or multiple face down
  79          cards, only print `.overlap` lines of the ends, and `1` line for the
  80          middle cards
  81  * DONE: in direct addressing 'up to' dialog: make return/space select the lowest/highest option
  82  * DONE: undo:
  83          - insert append_undo() in x2y() functions
  84          - to encode stack position we need to overload `f.u.n` as index.
  85            (similar for foundation: overload `f.u.n` as foundation id)
  86          - w2f(): have to encode both stock index and foundation id
  87                   don't want to add a struct field for this one case;
  88                   for the time being (i.e. forever) I'm ORing waste index and
  89                   (foundation id<<16). ugly but works :/
  90          - turning over cards: this needs to be encoded, because the card might
  91            be consecutive and there's no way to tell what its previous state was.
  92             * indicate that a card was turned (can be at most 1) by negating u.n
  93               pros: no wasted space (it's just a boolean value), negation pattern
  94                     already used for closed cards
  95               cons: dirty C hack, less obvious than in other places, no need to
  96                     conserve memory this tightly
  97  * DONE: screen size > stack height => rendering issues!
  98          as good as it's going to get, since we can't just not draw cards at all
  99  * DONE: 'join to here' command (should take longest chain available)
 100  * DONE: expose deal() seed for restarting the game
 101  * DONE: make portable (clang on FreeBSD)
 102          makefile's `$<` refuses to work if prequisite name != target name
 103          Fix:
 104              ln -s sol.c. spider.c
 105              sed -i 's/^spider: sol.c/spider: spider.c/' Makefile
 106  * DONE: escape sequences (for real cursor keys)
 107  * DONE: inverted moves (if A->B doesn't work, try B->A)
 108  * DONE:  - allow dragging the mouse
 109  * DONE: use `10` instead of `X` on card face (/u/Valley6660)
 110  * DONE: `:help` to show keyhelp (/u/Valley6660)
 111  * DONE: don't show cursor-highlight when inputting directly or with the mouse (/u/TooEarlyForMe)
 112  * DONE: remove sysmlink trickery and just call sol.c explicitly
 113  * DONE FREECELL: t2t() multi card move and accompanying pop_undo()
 114  * DONE:   - mouse (term2pile() cell encoding, set_mouse(), wait_mouse_up())
 115  * DONE FREECELL: don't allow selecting more cards than movable (`DO_HI, TOP_HI, cursor_{up,down}`)
 116  * DONE: differentiate foundation placeholder from cells ph. (freecell)
 117  * DONE FREECELL: join()
 118  * DONE FREECELL: autodetect possible moves (card selector choice dialog)
 119 </details>
 120
 121 ## Notes
 122
 123  - terminology:
 124 ```
 125     {stock}[waste]    [4*foundation]
 126
 127     []   {}   {}   {}   {}   {}   {}
 128          []  (tableu piles)  {}   {}
 129               []   {}   {}   {}   {}
 130                    []   {}   {}   {}
 131                         []   {}   {}
 132                              []   {}
 133                                   []
 134 ```