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
70 (container-dom-commands
71 #:allocation #:each-subclass
74 (("l" "look") ((empty-command cmd-look-room)))
75 ("go" ((empty-command cmd-go-where)
76 (loose-direct-command cmd-go)))
77 (("say" "\"" "'") ((greedy-command cmd-say)))
78 (("emote" "/me") ((greedy-command cmd-emote)))))
80 (container-sub-commands
81 #:allocation #:each-subclass
84 (("l" "look") ((loose-direct-command cmd-look-at-from-room)))))
86 (actions #:allocation #:each-subclass
90 (cmd-go-where room-cmd-go-where)
91 (announce-entrance room-announce-entrance)
92 (look-room room-look-room)
93 (tell-room room-act-tell-room)
94 ;; in this case the command is the same version as the normal
96 (cmd-look-room room-look-room)
97 (cmd-look-at-from-room room-look-dont-see-it)
98 (cmd-say room-cmd-say)
99 (cmd-emote room-cmd-emote))))
101 (define* (room-cmd-go room message #:key direct-obj)
105 (equal? (exit-name exit) direct-obj))
107 (define to-address (if exit
108 ;; Get the exit, but resolve it dynamically
109 ;; in case it's a special
110 (dyn-ref room (slot-ref exit 'to))
113 (mbody-val (<-wait (message-from message) 'get-name)))
116 ;; Set the player's new location
117 (<-wait (message-from message) 'set-loc!
119 ;; Tell everyone else the person walked away
122 (format #f "~a wanders ~a.\n"
123 player-name direct-obj))
124 (<- to-address 'announce-entrance
125 #:who-entered (message-from message))
126 ;; Have the new room update the player to the new location
127 (<- to-address 'look-room
128 #:to-id (message-from message)))
130 (<- (message-from message) 'tell
131 #:text "You don't see any way to go there.\n"))))
133 (define (room-cmd-go-where room message)
134 (<- (message-from message) 'tell
135 #:text "Go where?\n"))
139 (define (room-player-looks-around room player-id)
140 "Handle looking around the room"
143 `((strong "=> " ,(slot-ref room 'name) " <=")
144 (p ,(slot-ref room 'desc))))
146 ;; Get a list of other things the player would see in the room
147 (define occupant-names-all
150 (call-with-message (<-wait occupant 'visible-name
151 #:whos-looking player-id)
152 (lambda* (_ #:key text)
155 (lambda (x) (equal? x player-id))
156 (hash-map->list (lambda (x _) x)
157 (slot-ref room 'occupants)))))
159 ;; Strip out the #f responses (these aren't listed because they lack a name
160 ;; or they aren't "obviously visible" to the player)
161 (define occupant-names-filtered
162 (filter identity occupant-names-all))
164 (define occupant-names-string
165 (if (eq? occupant-names-filtered '())
167 (format #f "You see here: ~a.\n"
168 (string-join occupant-names-filtered
172 (if occupant-names-string
174 (p (em ,occupant-names-string)))
181 (define* (room-look-room room message
182 ;; Either send it to the #:to-id of the message,
183 ;; or to the sender of the message
184 #:key (to-id (message-from message)))
185 "Command: Player asks to look around the room"
186 (room-player-looks-around room to-id))
188 (define (room-find-thing-called room called-this)
189 "Find something called CALLED-THIS in the room, if any."
194 (define goes-by (mbody-val (<-wait occupant 'goes-by)))
195 (if (ci-member called-this goes-by)
197 (hash-map->list (lambda (key val) key)
198 (slot-ref room 'occupants)))
201 (define* (room-look-dont-see-it room message #:key direct-obj)
202 "In general, if we get to this point, we didn't find something to look at."
203 (<- (message-from message) 'tell
204 #:text "You don't see that here, so you can't look at it.\n"))
207 (define* (room-tell-room room text #:key exclude wait)
208 (define who-to-tell (gameobj-occupants room #:exclude exclude))
211 ;; @@: Does anything really care?
212 (define deliver-method
216 (deliver-method tell-me 'tell
220 (define* (room-act-tell-room room message #:key text exclude wait)
221 "Tell the room some messages."
222 (room-tell-room room text
226 (define* (room-cmd-say room message #:key phrase)
227 "Command: Say something to room participants."
229 (mbody-val (<-wait (message-from message) 'get-name)))
230 (define message-to-send
231 `((b "<" ,player-name ">") " " ,phrase))
232 (room-tell-room room message-to-send))
234 (define* (room-cmd-emote room message #:key phrase)
235 "Command: Say something to room participants."
237 (mbody-val (<-wait (message-from message) 'get-name)))
238 (define message-to-send
239 `((b "* " ,player-name) " " ,phrase))
240 (room-tell-room room message-to-send))
242 (define* (room-announce-entrance room message #:key who-entered)
244 (mbody-val (<-wait who-entered 'get-name)))
245 (define message-to-send
246 (format #f "~a enters the room.\n" player-name))
247 (room-tell-room room message-to-send
248 #:exclude who-entered))