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 ;; @@: Should we make whos-exiting optional? Would there ever be any
52 (define* (exit-can-traverse? exit room whos-exiting)
53 ((slot-ref exit 'traverse-check) exit room whos-exiting))
55 (define* (exit-is-visible? exit room whos-exiting)
56 ((slot-ref exit 'visible-check) exit room whos-exiting))
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))
112 (define player (message-from message))
114 (mbody-val (<-wait player 'get-name)))
117 (call-with-values (lambda ()
118 (exit-can-traverse? exit room player))
119 (lambda* (can-traverse? #:optional player-flavortext
122 ;; looks like we can go, so let's go!
124 ;; Set the player's new location
125 (<-wait player 'set-loc!
127 (when player-flavortext
129 #:text player-flavortext))
130 ;; Tell everyone else the person walked away
132 room (or room-flavortext
133 (format #f "~a wanders ~a.\n"
134 player-name direct-obj)))
135 (<- to-address 'announce-entrance
136 #:who-entered player)
137 ;; Have the new room update the player to the new location
138 (<- to-address 'look-room
140 ;; Otherwise, if we can't go...
143 #:text (or player-flavortext
144 `("You try to go " ,direct-obj " but something "
145 "seems to block you.")))
146 (when room-flavortext
147 (room-tell-room room room-flavortext
148 #:exclude player)))))))
151 #:text "You don't see any way to go there.\n"))))
153 (define (room-cmd-go-where room message)
154 (<- (message-from message) 'tell
155 #:text "Go where?\n"))
159 (define (room-player-looks-around room player-id)
160 "Handle looking around the room"
163 `((strong "=> " ,(slot-ref room 'name) " <=")
164 (p ,(slot-ref room 'desc))))
166 ;; Get a list of other things the player would see in the room
167 (define occupant-names-all
170 (call-with-message (<-wait occupant 'visible-name
171 #:whos-looking player-id)
172 (lambda* (_ #:key text)
175 (lambda (x) (equal? x player-id))
176 (hash-map->list (lambda (x _) x)
177 (slot-ref room 'occupants)))))
179 ;; Strip out the #f responses (these aren't listed because they lack a name
180 ;; or they aren't "obviously visible" to the player)
181 (define occupant-names-filtered
182 (filter identity occupant-names-all))
184 (define occupant-names-string
185 (if (eq? occupant-names-filtered '())
187 (format #f "You see here: ~a.\n"
188 (string-join occupant-names-filtered
192 (if occupant-names-string
194 (p (em ,occupant-names-string)))
201 (define* (room-look-room room message
202 ;; Either send it to the #:to-id of the message,
203 ;; or to the sender of the message
204 #:key (to-id (message-from message)))
205 "Command: Player asks to look around the room"
206 (room-player-looks-around room to-id))
208 (define (room-find-thing-called room called-this)
209 "Find something called CALLED-THIS in the room, if any."
214 (define goes-by (mbody-val (<-wait occupant 'goes-by)))
215 (if (ci-member called-this goes-by)
217 (hash-map->list (lambda (key val) key)
218 (slot-ref room 'occupants)))
221 (define* (room-look-dont-see-it room message #:key direct-obj)
222 "In general, if we get to this point, we didn't find something to look at."
223 (<- (message-from message) 'tell
224 #:text "You don't see that here, so you can't look at it.\n"))
227 (define* (room-tell-room room text #:key exclude wait)
228 (define who-to-tell (gameobj-occupants room #:exclude exclude))
231 ;; @@: Does anything really care?
232 (define deliver-method
236 (deliver-method tell-me 'tell
240 (define* (room-act-tell-room room message #:key text exclude wait)
241 "Tell the room some messages."
242 (room-tell-room room text
246 (define* (room-cmd-say room message #:key phrase)
247 "Command: Say something to room participants."
249 (mbody-val (<-wait (message-from message) 'get-name)))
250 (define message-to-send
251 `((b "<" ,player-name ">") " " ,phrase))
252 (room-tell-room room message-to-send))
254 (define* (room-cmd-emote room message #:key phrase)
255 "Command: Say something to room participants."
257 (mbody-val (<-wait (message-from message) 'get-name)))
258 (define message-to-send
259 `((b "* " ,player-name) " " ,phrase))
260 (room-tell-room room message-to-send))
262 (define* (room-announce-entrance room message #:key who-entered)
264 (mbody-val (<-wait who-entered 'get-name)))
265 (define message-to-send
266 (format #f "~a enters the room.\n" player-name))
267 (room-tell-room room message-to-send
268 #:exclude who-entered))