cgit.sxemacs.org Git - riece/blob - lisp/riece-hangman.el

   1 ;;; riece-hangman.el --- hangman
   2 ;; Copyright (C) 1998-2004 Daiki Ueno
   3
   4 ;; Author: Daiki Ueno <ueno@unixuser.org>
   5 ;; Keywords: IRC, riece
   6
   7 ;; This file is part of Riece.
   8
   9 ;; This program is free software; you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation; either version 2, or (at your option)
  12 ;; any later version.
  13
  14 ;; This program is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  22 ;; Boston, MA 02111-1307, USA.
  23
  24 ;;; Commentary:
  25
  26 ;; To use, add the following line to your ~/.riece/init.el:
  27 ;; (add-to-list 'riece-addons 'riece-hangman)
  28
  29 ;;; Code:
  30
  31 (require 'riece-globals)
  32 (require 'riece-identity)
  33 (require 'riece-message)
  34 (require 'riece-server)
  35
  36 (defgroup riece-hangman nil
  37   "Interface to hangman.el"
  38   :prefix "riece-"
  39   :group 'riece)
  40
  41 (defcustom riece-hangman-hello-regexp "^,hangman$"
  42   "Pattern of string to start the game."
  43   :type 'string
  44   :group 'riece-hangman)
  45
  46 (defcustom riece-hangman-bye-regexp "^,hangman bye$"
  47   "Pattern of string to end the game."
  48   :type 'string
  49   :group 'riece-hangman)
  50
  51 (defcustom riece-hangman-words-file "/usr/share/dict/words"
  52   "Location of words file."
  53   :type 'file
  54   :group 'riece-hangman)
  55
  56 (defvar riece-hangman-player-context-alist nil)
  57 (defvar riece-hangman-words-buffer nil)
  58
  59 (defvar riece-hangman-enabled nil)
  60
  61 (defconst riece-hangman-description
  62   "Allow users in channel to play classic textual game \"hangman\"")
  63
  64 (put 'riece-hangman 'riece-addon-default-disabled t)
  65
  66 (defun riece-hangman-make-context (word)
  67   "Make an instance of player context object.
  68 This function is for internal use only."
  69   (vector word nil 0))
  70
  71 (defun riece-hangman-context-word (context)
  72   "Return the correct word of CONTEXT.
  73 This function is for internal use only."
  74   (aref context 0))
  75
  76 (defun riece-hangman-context-guessed (context)
  77   "Return the guessed letters in this CONTEXT.
  78 This function is for internal use only."
  79   (aref context 1))
  80
  81 (defun riece-hangman-context-missed-count (context)
  82   "Return the count of missed guesses in this CONTEXT.
  83 This function is for internal use only."
  84   (aref context 2))
  85
  86 (defun riece-hangman-context-set-guessed (context guessed)
  87   "Set the GUESSED letters in this CONTEXT.
  88 This function is for internal use only."
  89   (aset context 1 guessed))
  90
  91 (defun riece-hangman-context-set-missed-count (context missed-count)
  92   "Set the count of MISSED guesses in this CONTEXT.
  93 This function is for internal use only."
  94   (aset context 2 missed-count))
  95
  96 (defun riece-hangman-word ()
  97   "Return random word.
  98 The wordlist is read from `riece-hangman-words-file'."
  99   (unless (and riece-hangman-words-buffer
 100                (buffer-name riece-hangman-words-buffer))
 101     (setq riece-hangman-words-buffer (generate-new-buffer " *riece-hangman*"))
 102     (save-excursion
 103       (set-buffer riece-hangman-words-buffer)
 104       (buffer-disable-undo)
 105       (insert-file-contents riece-hangman-words-file)
 106       (let ((case-fold-search nil))
 107         (delete-non-matching-lines "^[a-z][a-z][a-z][a-z][a-z][a-z]+"))))
 108   (save-excursion
 109     (set-buffer riece-hangman-words-buffer)
 110     (goto-char (1+ (random (buffer-size))))
 111     (if (eobp)
 112         (beginning-of-line -1)
 113       (beginning-of-line))
 114     (buffer-substring (point) (progn (end-of-line) (point)))))
 115
 116 (defun riece-hangman-reply (target string)
 117   (riece-display-message
 118    (riece-make-message (riece-make-identity riece-real-nickname
 119                                             riece-server-name)
 120                        (riece-make-identity target riece-server-name)
 121                        string 'notice t))
 122   (riece-send-string (format "NOTICE %s :%s\r\n" target string)))
 123
 124 (defun riece-hangman-reply-with-context (user target context)
 125   (let ((masked-word (make-string
 126                       (length (riece-hangman-context-word context))
 127                       ?-))
 128         (guessed (copy-sequence (riece-hangman-context-guessed context)))
 129         (index 0))
 130     (while (< index (length (riece-hangman-context-word context)))
 131       (if (memq (aref (riece-hangman-context-word context) index) guessed)
 132           (aset masked-word index
 133                 (aref (riece-hangman-context-word context) index)))
 134       (setq index (1+ index)))
 135     (riece-hangman-reply
 136      target
 137      (format "%s: Word: %s, Guessed: %s"
 138              user masked-word
 139              (if guessed
 140                  (apply #'string (sort guessed #'<))
 141                "")))))
 142
 143 (defun riece-hangman-after-privmsg-hook (prefix string)
 144   (if riece-hangman-enabled
 145       (let* ((user (riece-prefix-nickname prefix))
 146              (parameters (riece-split-parameters string))
 147              (targets (split-string (car parameters) ","))
 148              (message (nth 1 parameters))
 149              case-fold-search
 150              pointer word guessed index)
 151         (if (string-match riece-hangman-hello-regexp message)
 152             (if (riece-identity-assoc user riece-hangman-player-context-alist
 153                                       t)
 154                 (riece-hangman-reply
 155                  (car targets)
 156                  (format "%s: You are already playing the game." user))
 157               (let ((context (riece-hangman-make-context
 158                               (riece-hangman-word))))
 159                 (setq riece-hangman-player-context-alist
 160                       (cons (cons user context)
 161                             riece-hangman-player-context-alist))
 162                 (riece-hangman-reply-with-context user (car targets) context)))
 163           (if (string-match riece-hangman-bye-regexp message)
 164               (when (setq pointer (riece-identity-assoc
 165                                    user riece-hangman-player-context-alist t))
 166                 (setq riece-hangman-player-context-alist
 167                       (delq pointer riece-hangman-player-context-alist))
 168                 (riece-hangman-reply
 169                  (car targets)
 170                  (format "%s: Sorry, the word was \"%s\""
 171                          user
 172                          (riece-hangman-context-word (cdr pointer)))))
 173             (if (setq pointer (riece-identity-assoc
 174                                user riece-hangman-player-context-alist t))
 175                 (if (or (/= (length message) 1)
 176                         (not (string-match "[a-z]" message)))
 177                     (riece-hangman-reply
 178                      (car targets)
 179                      (format "%s: Not a valid guess: %s" user message))
 180                   (if (memq (aref message 0)
 181                             (riece-hangman-context-guessed (cdr pointer)))
 182                       (riece-hangman-reply (car targets)
 183                                            (format "%s: Already guessed '%c'"
 184                                                    user (aref message 0)))
 185                     (setq guessed (riece-hangman-context-set-guessed
 186                                    (cdr pointer)
 187                                    (cons (aref message 0)
 188                                          (riece-hangman-context-guessed
 189                                           (cdr pointer))))
 190                           word (riece-hangman-context-word (cdr pointer)))
 191                     (unless (catch 'found
 192                               (setq index 0)
 193                               (while (< index (length word))
 194                                 (if (eq (aref word index) (aref message 0))
 195                                     (throw 'found t))
 196                                 (setq index (1+ index))))
 197                       (riece-hangman-context-set-missed-count
 198                        (cdr pointer)
 199                        (1+ (riece-hangman-context-missed-count
 200                             (cdr pointer)))))
 201                     (if (>= (riece-hangman-context-missed-count (cdr pointer))
 202                             7)
 203                         (progn
 204                           (riece-hangman-reply
 205                            (car targets)
 206                            (format "%s: Sorry, the word was \"%s\""
 207                                    user
 208                                    (riece-hangman-context-word (cdr pointer))))
 209                           (setq riece-hangman-player-context-alist
 210                                 (delq pointer
 211                                       riece-hangman-player-context-alist)))
 212                       (if (catch 'missing
 213                             (setq index 0)
 214                             (while (< index (length word))
 215                               (unless (memq (aref word index) guessed)
 216                                 (throw 'missing t))
 217                               (setq index (1+ index))))
 218                           (riece-hangman-reply-with-context user (car targets)
 219                                                             (cdr pointer))
 220                         (riece-hangman-reply (car targets)
 221                                              (format "%s: You got it! (%s)"
 222                                                      user word))
 223                         (setq riece-hangman-player-context-alist
 224                               (delq
 225                                pointer
 226                                riece-hangman-player-context-alist))))))))))))
 227
 228 (defun riece-hangman-insinuate ()
 229   (add-hook 'riece-after-privmsg-hook 'riece-hangman-after-privmsg-hook))
 230
 231 (defun riece-hangman-enable ()
 232   (random t)
 233   (setq riece-hangman-enabled t))
 234
 235 (defun riece-hangman-disable ()
 236   (setq riece-hangman-enabled nil))
 237
 238 (provide 'riece-hangman)
 239
 240 ;;; riece-hangman.el ends here