--- /dev/null
+;;; Mudsync --- Live hackable MUD
+;;; Copyright © 2016 Christopher Allan Webber <cwebber@dustycloud.org>
+;;;
+;;; This file is part of Mudsync.
+;;;
+;;; Mudsync is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; Mudsync is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with Mudsync. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (mudsync game-master)
+ #:use-module (mudsync room)
+ #:use-module (mudsync player)
+ #:use-module (mudsync networking)
+ #:use-module (8sync systems actors)
+ #:use-module (8sync agenda)
+ #:use-module (oop goops)
+ #:use-module (ice-9 match)
+ #:export (<game-master>
+ make-default-room-conn-handler))
+
+;;; The game master! Runs the world.
+;;; =================================
+
+(define-class <game-master> (<actor>)
+ ;; Directory of "special" objects.
+ (special-dir #:init-thunk make-hash-table
+ #:getter gm-special-dir)
+
+ ;; Room directory. Room symbols to locations.
+ (room-dir #:init-thunk make-hash-table
+ #:getter gm-room-dir)
+
+ ;; A mapping of client ids to in-game actors
+ ;; and a reverse ;p
+ (client-dir #:init-thunk make-hash-table
+ #:getter gm-client-dir)
+ (reverse-client-dir #:init-thunk make-hash-table
+ #:getter gm-reverse-client-dir)
+
+ ;; Network manager
+ (network-manager #:accessor gm-network-manager
+ #:init-value #f)
+
+ ;; How we get a new connection acclimated to the system
+ (new-conn-handler #:accessor gm-new-conn-handler
+ #:init-keyword #:new-conn-handler)
+
+ (message-handler
+ #:init-value
+ (make-action-dispatch
+ (init-world (wrap-apply gm-init-world))
+ (client-input (wrap-apply gm-handle-client-input))
+ (lookup-room (wrap-apply gm-lookup-room))
+ (new-client (wrap-apply gm-new-client))
+ (write-home (wrap-apply gm-write-home)))))
+
+
+;;; .. begin world init stuff ..
+
+(define (gm-init-world gm message)
+ ;; Load database
+ ;; TODO
+
+ ;; Init basic rooms / structure
+ (gm-init-rooms gm (message-ref message 'room-spec))
+
+ ;; Restore database-based actors
+ ;; TODO
+
+ ;; Set up the network
+ (gm-setup-network gm))
+
+(define (gm-init-rooms gm rooms-spec)
+ "Initialize the prebuilt rooms"
+ ;; @@: Would it be nicer to just allow passing in
+ ;; #:exits to the room spec itself?
+ (define (exit-from-spec exit-spec)
+ "Take room exits syntax from the spec, turn it into exits"
+ (match exit-spec
+ ((name to-symbol desc)
+ (make <exit>
+ #:name name
+ #:to-symbol to-symbol
+ #:desc desc))))
+
+ (define rooms
+ (map
+ (match-lambda
+ ((room-symbol room-class
+ room-args ...
+ (room-exits ...))
+ ;; initialize the room
+ (let ((room
+ (apply create-actor* gm room-class "room"
+ #:gm (actor-id gm)
+ #:exits (map exit-from-spec room-exits)
+ room-args)))
+ ;; register the room
+ (hash-set! (gm-room-dir gm) room-symbol room)
+ ;; pass it back to the map
+ room)))
+ rooms-spec))
+
+ ;; now wire up all the exits
+ (for-each
+ (lambda (room)
+ (format #t "Wiring up ~s...\n" (address->string room))
+ (<-wait gm room 'wire-exits!))
+ rooms))
+
+
+(define (gm-setup-network gm)
+ ;; Create a default network manager if none available
+ (set! (gm-network-manager gm)
+ (create-actor* gm <network-manager> "netman"
+ #:send-input-to (actor-id gm)))
+
+ ;; TODO: Add host and port options
+ (<-wait gm (gm-network-manager gm) 'start-listening))
+
+(define (gm-setup-database gm)
+ 'TODO)
+
+;;; .. end world init stuff ...
+
+(define-mhandler (gm-new-client actor message client)
+ ;; @@: Maybe more indirection than needed for this
+ ((gm-new-conn-handler actor) actor client))
+
+
+(define (gm-handle-client-input actor message)
+ "Handle input from a client."
+ (define client-id (message-ref message 'client))
+ (define input (message-ref message 'data))
+ (format #t "From ~s: ~s\n" client-id input)
+ (<- actor (gm-network-manager actor) 'send-to-client
+ #:client client-id
+ #:data "Thanks, we got it!\n"))
+
+(define-mhandler (gm-lookup-room actor message symbol)
+ (define room-id
+ (slot-ref (gm-room-dir actor) symbol))
+ (<-reply actor message room-id))
+
+(define-mhandler (gm-write-home actor message text)
+ (define client-id (hash-ref (gm-reverse-client-dir actor)
+ (message-from message)))
+ (<- actor (gm-network-manager actor) 'send-to-client
+ #:client client-id
+ #:data text))
+
+
+;;; GM utilities
+
+(define (gm-register-client! gm client-id player)
+ (hash-set! (gm-client-dir gm) client-id player)
+ (hash-set! (gm-reverse-client-dir gm) player client-id))
+
+(define (gm-unregister-client! gm client-id)
+ "Remove a connection/player combo and ask them to self destruct"
+ (match (hash-remove! (gm-client-dir gm) client-id) ; Remove from our client dir
+ ((_ . player-id)
+ ;; Remove from reverse table too
+ (hash-remove! (gm-reverse-client-dir gm) client-id)
+ ;; Destroy player
+ (<- gm player-id 'destroy-self))
+ (#f (throw 'no-client-to-unregister
+ "Can't unregister a client that doesn't exist?"
+ client-id))))
+
+;;; An easy default
+
+(define (make-default-room-conn-handler default-room)
+ "Make a handler for a GM that dumps people in a default room
+with an anonymous persona"
+ (let ((count 0))
+ (lambda (gm client-id)
+ (define guest-name (string-append "Guest-"
+ (number->string count)))
+ (define room-id
+ (hash-ref (gm-room-dir gm) default-room))
+ ;; create and register the player
+ (define player
+ (create-actor* gm <player> "player"
+ #:username guest-name
+ #:gm (actor-id gm)
+ #:client client-id))
+
+ ;; Register the player in our database of players -> connections
+ (gm-register-client! gm client-id player)
+ ;; Dump the player into the default room
+ (<-wait gm player 'set-loc! #:id room-id)
+ ;; Initialize the player
+ (<- gm player 'init))))
+
projects / mudsync.git / blobdiff