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 player)
20 #:use-module (mudsync command)
21 #:use-module (mudsync gameobj)
22 #:use-module (mudsync game-master)
23 #:use-module (mudsync parser)
24 #:use-module (8sync systems actors)
25 #:use-module (8sync agenda)
26 #:use-module (ice-9 control)
27 #:use-module (ice-9 format)
28 #:use-module (ice-9 match)
29 #:use-module (oop goops)
30 #:use-module (srfi srfi-1)
31 #:use-module (srfi srfi-9)
33 player-self-commands))
38 (define player-actions
40 (init (wrap-apply player-init!))
41 (handle-input (wrap-apply player-handle-input))))
43 (define player-actions*
44 (append player-actions
47 (define player-dispatcher
48 (simple-dispatcher player-actions*))
50 (define-class <player> (<gameobj>)
51 (username #:init-keyword #:username
52 #:accessor player-username)
54 (client #:accessor player-client)
58 #:accessor player-self-commands)
62 ;; @@: We're gonna need action inheritance real awful soon, huh?
63 (wrap-apply player-dispatcher)))
66 ;;; player message handlers
68 (define-mhandler (player-init! player message)
69 (player-look-around player))
72 (define-mhandler (player-handle-input player message input)
73 (define split-input (split-verb-and-rest input))
74 (define input-verb (pk 'input-verb (car split-input)))
75 (define input-rest (pk 'input-rest (cdr split-input)))
77 (define command-candidates
79 (player-gather-command-handlers player input-verb)))
82 (pk 'winner (find-command-winner command-candidates input-rest)))
85 ((cmd-action winner-id message-args)
86 (apply send-message player (pk 'winner-id winner-id) (pk 'cmd-action cmd-action) (pk 'message-args message-args)))
88 (<- player (gameobj-gm player) 'write-home
94 (define (player-look-around player)
97 (<-wait player (gameobj-loc player) 'get-name)
101 (<-wait player (gameobj-loc player) 'get-desc)
104 (format #f "**~a**\n~a\n" room-name room-desc))
106 (<- player (gameobj-gm player) 'write-home #:text message-text))
112 ;; @@: Hard to know whether this should be in player.scm or here...
113 ;; @@: This could be more efficient as a stream...!?
114 (define (player-gather-command-handlers player verb)
116 (let ((result (gameobj-loc player)))
119 (throw 'player-has-no-location
120 "Player ~a has no location! How'd that happen?\n"
121 #:player-id (actor-id player)))))
123 ;; Ask the room for its commands
124 (define room-commands
125 ;; TODO: Map room id and sort
127 (<-wait player player-loc
128 'get-container-commands
132 ;; All the co-occupants of the room (not including ourself)
135 (lambda (x) (equal? x (actor-id player)))
137 (<-wait player player-loc 'get-occupants)
140 ;; @@: There's a race condition here if someone leaves the room
141 ;; during this, heh...
142 ;; I'm not sure it can be solved, but "lag" on the race can be
145 ;; Get all the co-occupants' commands
146 (define co-occupant-commands
147 ;; TODO: Switch this to a fold. Ignore a result if it
148 ;; returns false for in the command response
150 (lambda (co-occupant)
151 (let ((result (<-wait player co-occupant 'get-commands
154 (message-ref result 'commands)
155 (message-ref result 'goes-by)
159 ;; Append our own command handlers
161 (player-self-commands player))
163 ;; TODO: Append our inventory's relevant command handlers
165 ;; Now return a big ol sorted list of ((actor-id . command))
167 (sort-commands-append-actor (pk 'room-commands room-commands)
168 player-loc '()) ; room doesn't go by anything
169 (sort-commands-multi-actors co-occupant-commands)
170 (sort-commands-append-actor our-commands
171 (actor-id player) '()))) ; nor does player
173 (define (sort-commands-append-actor commands actor-id goes-by)
174 (sort-commands-multi-actors
175 (map (lambda (command) (list command goes-by actor-id)) commands)))
177 (define (sort-commands-multi-actors actors-and-commands)
181 (> (command-priority (car (pk 'x x)))
182 (command-priority (car (pk 'y y)))))))
185 (define (find-command-winner sorted-candidates line)
186 "Find a command winner from a sorted list of candidates"
187 ;; A cache of results from matchers we've already seen
188 ;; TODO: fill this in
189 (define matcher-cache '())
194 ((command actor-goes-by actor-id)
195 (let* ((matcher (command-matcher command))
196 (matched (matcher line)))
198 ;; Great, it matched, but does it also pass
200 (apply (command-should-handle command)
202 matched)) ; matched is kwargs if truthy
203 (return (list (command-action command)
204 (pk 'earlier-actor-id actor-id) matched))