1 ;;; riece-hangman.el --- hangman
2 ;; Copyright (C) 1998-2004 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
5 ;; Keywords: IRC, riece
7 ;; This file is part of Riece.
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)
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.
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.
26 ;; To use, add the following line to your ~/.riece/init.el:
27 ;; (add-to-list 'riece-addons 'riece-hangman)
31 (require 'riece-globals)
32 (require 'riece-identity)
33 (require 'riece-message)
34 (require 'riece-server)
36 (defgroup riece-hangman nil
37 "Interface to hangman.el"
41 (defcustom riece-hangman-hello-regexp "^, hangman"
42 "Pattern of string to start the game."
44 :group 'riece-hangman)
46 (defcustom riece-hangman-bye-regexp "^, bye hangman"
47 "Pattern of string to end the game."
49 :group 'riece-hangman)
51 (defcustom riece-hangman-words-file "/usr/share/dict/words"
52 "Location of words file."
54 :group 'riece-hangman)
56 (defvar riece-hangman-player-context-alist nil)
57 (defvar riece-hangman-words-buffer nil)
59 (defvar riece-hangman-enabled nil)
61 (defconst riece-hangman-description
62 "Allow users in channel to play classic textual game \"hangman\"")
64 (put 'riece-hangman 'riece-addon-default-disabled t)
66 (defun riece-hangman-make-context (word)
67 "Make an instance of player context object.
68 This function is for internal use only."
71 (defun riece-hangman-context-word (context)
72 "Return the correct word of CONTEXT.
73 This function is for internal use only."
76 (defun riece-hangman-context-guessed (context)
77 "Return the guessed letters in this CONTEXT.
78 This function is for internal use only."
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."
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))
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))
96 (defun riece-hangman-word ()
98 The wordlist is read from `riece-hangman-words-file'."
99 (unless riece-hangman-words-buffer
100 (setq riece-hangman-words-buffer (generate-new-buffer " *riece-hangman*"))
102 (set-buffer riece-hangman-words-buffer)
103 (buffer-disable-undo)
104 (insert-file-contents riece-hangman-words-file)
105 (let ((case-fold-search nil))
106 (delete-non-matching-lines "^[a-z][a-z][a-z][a-z][a-z][a-z]+"))))
108 (set-buffer riece-hangman-words-buffer)
109 (goto-char (% (1+ (random)) (buffer-size)))
111 (beginning-of-line -1)
113 (buffer-substring (point) (progn (end-of-line) (point)))))
115 (defun riece-hangman-reply (target string)
116 (riece-display-message
117 (riece-make-message (riece-make-identity riece-real-nickname
119 (riece-make-identity target riece-server-name)
121 (riece-send-string (format "NOTICE %s :%s\r\n" target string)))
123 (defun riece-hangman-reply-with-context (user target context)
124 (let ((masked-word (make-string
125 (length (riece-hangman-context-word context))
127 (guessed (copy-sequence (riece-hangman-context-guessed context)))
129 (while (< index (length (riece-hangman-context-word context)))
130 (if (memq (aref (riece-hangman-context-word context) index) guessed)
131 (aset masked-word index
132 (aref (riece-hangman-context-word context) index)))
133 (setq index (1+ index)))
136 (format "%s: Word: %s, Guessed: %s"
139 (apply #'string (sort guessed #'<))
142 (defun riece-hangman-after-privmsg-hook (prefix string)
143 (if riece-hangman-enabled
144 (let* ((user (riece-prefix-nickname prefix))
145 (parameters (riece-split-parameters string))
146 (targets (split-string (car parameters) ","))
147 (message (nth 1 parameters))
149 pointer word guessed index)
150 (if (string-match riece-hangman-hello-regexp message)
151 (if (riece-identity-assoc user riece-hangman-player-context-alist
155 (format "%s: You are already playing the game." user))
156 (let ((context (riece-hangman-make-context
157 (riece-hangman-word))))
158 (setq riece-hangman-player-context-alist
159 (cons (cons user context)
160 riece-hangman-player-context-alist))
161 (riece-hangman-reply-with-context user (car targets) context)))
162 (if (string-match riece-hangman-bye-regexp message)
163 (when (setq pointer (riece-identity-assoc
164 user riece-hangman-player-context-alist t))
165 (setq riece-hangman-player-context-alist
166 (delq pointer riece-hangman-player-context-alist))
169 (format "%s: Sorry, the word was \"%s\""
171 (riece-hangman-context-word (cdr pointer)))))
172 (if (setq pointer (riece-identity-assoc
173 user riece-hangman-player-context-alist t))
174 (if (or (/= (length message) 1)
175 (not (string-match "[a-z]" message)))
178 (format "%s: Not a valid guess: %s" user message))
179 (if (memq (aref message 0)
180 (riece-hangman-context-guessed (cdr pointer)))
181 (riece-hangman-reply (car targets)
182 (format "%s: Already guessed '%c'"
183 user (aref message 0)))
184 (setq guessed (riece-hangman-context-set-guessed
186 (cons (aref message 0)
187 (riece-hangman-context-guessed
189 word (riece-hangman-context-word (cdr pointer)))
190 (unless (catch 'found
192 (while (< index (length word))
193 (if (eq (aref word index) (aref message 0))
195 (setq index (1+ index))))
196 (riece-hangman-context-set-missed-count
198 (1+ (riece-hangman-context-missed-count
200 (if (>= (riece-hangman-context-missed-count (cdr pointer))
205 (format "%s: Sorry, the word was \"%s\""
207 (riece-hangman-context-word (cdr pointer))))
208 (setq riece-hangman-player-context-alist
210 riece-hangman-player-context-alist)))
213 (while (< index (length word))
214 (unless (memq (aref word index) guessed)
216 (setq index (1+ index))))
217 (riece-hangman-reply-with-context user (car targets)
219 (riece-hangman-reply (car targets)
220 (format "%s: You got it!" user))
221 (setq riece-hangman-player-context-alist
224 riece-hangman-player-context-alist))))))))))))
226 (defun riece-hangman-insinuate ()
227 (add-hook 'riece-after-privmsg-hook 'riece-hangman-after-privmsg-hook))
229 (defun riece-hangman-enable ()
230 (setq riece-hangman-enabled t))
232 (defun riece-hangman-disable ()
233 (setq riece-hangman-enabled nil))
235 (provide 'riece-hangman)
237 ;;; riece-hangman.el ends here