X-Git-Url: https://jxself.org/git/?p=mudsync.git;a=blobdiff_plain;f=mudsync%2Froom.scm;h=efc2a380e9b2ea13436c1207cd51737b7cdd6ace;hp=aee0636ab4c817c6e9c985d18c6bee1ef2b888e9;hb=582ae7c4ffaddad629c53750b80c807745489b37;hpb=d539213774955a5593ec760f06022aeecf4e1abc diff --git a/mudsync/room.scm b/mudsync/room.scm index aee0636..efc2a38 100644 --- a/mudsync/room.scm +++ b/mudsync/room.scm @@ -147,14 +147,63 @@ claim to point to." ;;; look commands +(define (list-words-as-string words) + "A little utility for listing a bunch of words in an English-style list" + ;; TODO: This could be made faster by traversing the O(n) + ;; list once, not twice + (let ((word-length (length words))) + (cond + ((eqv? word-length 0) "") + ((eqv? word-length 1) (car words)) + (else + ;; TODO: and this is NOT efficient + (string-append + (string-join + (drop-right words 1) + ", ") + " and " + (last words)))))) + (define (room-player-looks-around room player-id) "Handle looking around the room" + ;; Get the room text (define room-text (format #f "**~a**\n~a\n" (slot-ref room 'name) (slot-ref room 'desc))) + + ;; Get a list of other things the player would see in the room + (define occupant-names-all + (map + (lambda (occupant) + (message-ref + (<-wait room occupant 'visible-name + #:whos-looking player-id) + 'text)) + (remove + (lambda (x) (equal? x player-id)) + (hash-map->list (lambda (x _) x) + (slot-ref room 'occupants))))) + + ;; Strip out the #f responses (these aren't listed because they lack a name + ;; or they aren't "obviously visible" to the player) + (define occupant-names-filtered + (filter identity occupant-names-all)) + + (define occupant-names-string + (if (eq? occupant-names-filtered '()) + #f + (format #f "You see here: ~a.\n" + (list-words-as-string occupant-names-filtered)))) + + (define final-text + (if occupant-names-string + (string-append room-text occupant-names-string) + room-text)) + (<- room player-id 'tell - #:text room-text)) + #:text final-text)) + (define-mhandler (room-look-room room message) "Command: Player asks to look around the room"