1 ;;; Mudsync --- Live hackable MUD
2 ;;; Copyright © 2016 Christopher Allan Webber <cwebber@dustycloud.org>
4 ;;; This file is part of Mudsync.
6 ;;; Mudsync is free software; you can redistribute it and/or modify it
7 ;;; under the terms of the GNU General Public License as published by
8 ;;; the Free Software Foundation; either version 3 of the License, or
9 ;;; (at your option) any later version.
11 ;;; Mudsync is distributed in the hope that it will be useful, but
12 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 ;;; General Public License for more details.
16 ;;; You should have received a copy of the GNU General Public License
17 ;;; along with Mudsync. If not, see <http://www.gnu.org/licenses/>.
19 (define-module (mudsync room)
20 #:use-module (mudsync command)
21 #:use-module (mudsync gameobj)
22 #:use-module (mudsync utils)
23 #:use-module (8sync actors)
24 #:use-module (8sync agenda)
25 #:use-module (oop goops)
26 #:use-module (srfi srfi-1)
27 #:use-module (ice-9 control)
28 #:export (<room> <exit>))
34 (define-class <exit> ()
35 (to #:init-keyword #:to)
36 ;; Name of the room (@@: Should this be names?)
37 (name #:getter exit-name
38 #:init-keyword #:name)
39 (desc #:init-keyword #:desc
42 ;; *Note*: These two methods have an extra layer of indirection, but
43 ;; it's for a good reason.
44 (visible-check #:init-value (const #t)
45 #:init-keyword #:visible-check)
46 ;; By default all exits can be traversed
47 (traverse-check #:init-value (const #t)
48 #:init-keyword #:traverse-check))
50 (define* (exit-can-traverse? exit actor
51 #:optional (target-actor (actor-id actor)))
52 ((slot-ref exit 'traverse-check) exit actor target-actor))
54 (define* (exit-is-visible? exit actor
55 #:optional (target-actor (actor-id actor)))
56 ((slot-ref exit 'traverse-check) exit actor target-actor))
63 ;; TODO: Subclass from container?
64 (define-class <room> (<gameobj>)
66 (exits #:init-value '()
67 #:init-keyword #:exits
71 #:allocation #:each-subclass
74 ("look" ((loose-direct-command cmd-look-at)
75 (empty-command cmd-look-room)))
76 ("go" ((empty-command cmd-go-where)
77 (loose-direct-command cmd-go)))
78 (("say" "\"" "'") ((greedy-command cmd-say)))
79 (("emote" "/me") ((greedy-command cmd-emote)))))
81 (actions #:allocation #:each-subclass
85 (cmd-go-where room-cmd-go-where)
86 (announce-entrance room-announce-entrance)
87 (look-room room-look-room)
88 (tell-room room-act-tell-room)
89 ;; in this case the command is the same version as the normal
91 (cmd-look-room room-look-room)
92 (cmd-look-at room-look-at)
93 (cmd-say room-cmd-say)
94 (cmd-emote room-cmd-emote))))
96 (define* (room-cmd-go room message #:key direct-obj)
100 (equal? (exit-name exit) direct-obj))
102 (define to-address (if exit
103 ;; Get the exit, but resolve it dynamically
104 ;; in case it's a special
105 (dyn-ref room (slot-ref exit 'to))
108 (mbody-val (<-wait (message-from message) 'get-name)))
111 ;; Set the player's new location
112 (<-wait (message-from message) 'set-loc!
114 ;; Tell everyone else the person walked away
117 (format #f "~a wanders ~a.\n"
118 player-name direct-obj))
119 (<- to-address 'announce-entrance
120 #:who-entered (message-from message))
121 ;; Have the new room update the player to the new location
122 (<- to-address 'look-room
123 #:to-id (message-from message)))
125 (<- (message-from message) 'tell
126 #:text "You don't see any way to go there.\n"))))
128 (define (room-cmd-go-where room message)
129 (<- (message-from message) 'tell
130 #:text "Go where?\n"))
134 (define (room-player-looks-around room player-id)
135 "Handle looking around the room"
138 `((strong "=> " ,(slot-ref room 'name) " <=")
139 (p ,(slot-ref room 'desc))))
141 ;; Get a list of other things the player would see in the room
142 (define occupant-names-all
145 (call-with-message (<-wait occupant 'visible-name
146 #:whos-looking player-id)
147 (lambda* (_ #:key text)
150 (lambda (x) (equal? x player-id))
151 (hash-map->list (lambda (x _) x)
152 (slot-ref room 'occupants)))))
154 ;; Strip out the #f responses (these aren't listed because they lack a name
155 ;; or they aren't "obviously visible" to the player)
156 (define occupant-names-filtered
157 (filter identity occupant-names-all))
159 (define occupant-names-string
160 (if (eq? occupant-names-filtered '())
162 (format #f "You see here: ~a.\n"
163 (string-join occupant-names-filtered
167 (if occupant-names-string
169 (p (em ,occupant-names-string)))
176 (define* (room-look-room room message
177 ;; Either send it to the #:to-id of the message,
178 ;; or to the sender of the message
179 #:key (to-id (message-from message)))
180 "Command: Player asks to look around the room"
181 (room-player-looks-around room to-id))
183 (define (room-find-thing-called room called-this)
184 "Find something called CALLED-THIS in the room, if any."
189 (define goes-by (mbody-val (<-wait occupant 'goes-by)))
190 (if (ci-member called-this goes-by)
192 (hash-map->list (lambda (key val) key)
193 (slot-ref room 'occupants)))
196 (define %formless-desc
197 "You don't see anything special.")
199 (define* (room-look-at room message #:key direct-obj)
200 "Look at a specific object in the room."
201 (define matching-object
202 (room-find-thing-called room direct-obj))
207 (mbody-val (<-wait matching-object 'get-desc
208 #:whos-looking (message-from message)))))
210 (<- (message-from message) 'tell #:text obj-desc)
211 (<- (message-from message) 'tell #:text %formless-desc))))
213 (<- (message-from message) 'tell
214 #:text "You don't see that here, so you can't look at it.\n"))))
217 (define* (room-tell-room room text #:key exclude wait)
218 (define who-to-tell (gameobj-occupants room #:exclude exclude))
221 ;; @@: Does anything really care?
222 (define deliver-method
226 (deliver-method tell-me 'tell
230 (define* (room-act-tell-room room message #:key text exclude wait)
231 "Tell the room some messages."
232 (room-tell-room room text
236 (define* (room-cmd-say room message #:key phrase)
237 "Command: Say something to room participants."
239 (mbody-val (<-wait (message-from message) 'get-name)))
240 (define message-to-send
241 `((b "<" ,player-name ">") " " ,phrase))
242 (room-tell-room room message-to-send))
244 (define* (room-cmd-emote room message #:key phrase)
245 "Command: Say something to room participants."
247 (mbody-val (<-wait (message-from message) 'get-name)))
248 (define message-to-send
249 `((b "* " ,player-name) " " ,phrase))
250 (room-tell-room room message-to-send))
252 (define* (room-announce-entrance room message #:key who-entered)
254 (mbody-val (<-wait who-entered 'get-name)))
255 (define message-to-send
256 (format #f "~a enters the room.\n" player-name))
257 (room-tell-room room message-to-send
258 #:exclude who-entered))