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 ;;; Common "things" and stuff you can do with things.
21 (define-module (mudsync thing)
22 #:use-module (mudsync command)
23 #:use-module (mudsync gameobj)
24 #:use-module (8sync systems actors)
25 #:use-module (8sync agenda)
26 #:use-module (oop goops)
27 #:use-module (ice-9 match)
28 #:use-module (ice-9 format)
31 thing-contained-commands
34 (define thing-commands
36 (direct-command "take" 'cmd-take)))
38 ;;; Are these kinds of things useful?
39 ;; ;; Doesn't inherit anything (gameobj has no commands)
40 ;; ;; so it's an alias.
41 ;; (define thing-commands* thing-commands)
43 (define thing-contained-commands
45 (empty-command "drop" 'cmd-drop)))
47 ;; ;; Doesn't inherit anything (gameobj has no contained-commands)
48 ;; ;; so it's an alias.
49 ;; (define thing-contained-commands* thing-contained-commands)
53 (cmd-take (wrap-apply thing-cmd-take))
54 (cmd-drop (wrap-apply thing-cmd-drop))))
56 (define thing-actions*
60 (define thing-dispatcher
61 (simple-dispatcher thing-actions*))
63 (define-class <thing> (<gameobj>)
64 ;; Can be a boolean or a procedure accepting two arguments
65 ;; (thing-actor whos-acting)
66 (takeable #:init-value #f
67 #:init-keyword #:takeable)
68 ;; Can be a boolean or a procedure accepting two arguments
69 ;; (thing-actor whos-dropping)
70 (dropable #:init-value #t
71 #:init-keyword #:dropable)
73 #:init-value (wrap thing-commands))
75 #:init-value (wrap thing-contained-commands))
78 (wrap-apply thing-dispatcher)))
80 (define-mhandler (thing-cmd-take thing message direct-obj)
81 (define player (message-from message))
84 (<-wait thing player 'get-name)
86 (define thing-name (slot-ref thing 'name))
88 (slot-ref-maybe-runcheck thing 'takeable player))
90 ;; Set the location to whoever's picking us up
92 (gameobj-set-loc! thing player)
93 (<- thing player 'tell
94 #:text (format #f "You pick up ~a.\n"
96 (<- thing (gameobj-loc thing) 'tell-room
97 #:text (format #f "~a picks up ~a.\n"
101 (<- thing player 'tell
102 #:text (format #f "It doesn't seem like you can pick up ~a.\n"
105 (define-mhandler (thing-cmd-drop thing message direct-obj)
106 (define player (message-from message))
109 (<-wait thing player 'get-name)
113 (<-wait thing player 'get-loc)
115 (define thing-name (slot-ref thing 'name))
117 (slot-ref-maybe-runcheck thing 'dropable player))
119 ;; Set the location to whoever's picking us up's location
121 (gameobj-set-loc! thing player-loc)
122 (<- thing player 'tell
123 #:text (format #f "You drop ~a.\n"
125 (<- thing player-loc 'tell-room
126 #:text (format #f "~a drops ~a.\n"
130 (<- thing player 'tell
131 #:text (format #f "It doesn't seem like you can drop ~a.\n"