X-Git-Url: https://jxself.org/git/?p=mudsync.git;a=blobdiff_plain;f=mudsync.scm;h=a15f5b9a02ea2a1f221129e2078832c9e18f3bde;hp=fca151a60aabcef226a5e80146b6d0f4c5c66ed9;hb=023ca5e3222fa0f53a30440c23e538b411af5195;hpb=a49c96e631da387ea77d281e91c743b27bf538b3

diff --git a/mudsync.scm b/mudsync.scm
index fca151a..a15f5b9 100644
--- a/mudsync.scm
+++ b/mudsync.scm
@@ -21,6 +21,7 @@
              (8sync agenda)
              (ice-9 format)
              (ice-9 match)
+             (gdbm)
              (oop goops))
 
 
@@ -119,7 +120,10 @@
 
     (let ((client-id (big-random-number)))
       (hash-set! (nm-clients nm) client-id client)
-      (8sync-port client #:read (nm-make-client-receive nm client-id)))))
+      ;; @@: Do we need an 8sync-port-wait here?
+      ;;   Is such a thing even possible? :\
+      (8sync-port client #:read (nm-make-client-receive nm client-id))
+      (<- nm (nm-send-input-to nm) 'new-client #:client client-id))))
 
 (define (nm-make-client-receive nm client-id)
   "Make a method to receive client data"
@@ -172,8 +176,13 @@
 
 (define-method (nm-send-to-client-id nm client-id data)
   "Send DATA to TO-CLIENT id"
-  (display data
-           (hash-ref (nm-clients nm) client-id)))
+  (define client-obj (hash-ref (nm-clients nm) client-id))
+  (if (not client-obj)
+      (throw 'no-such-client
+             "Asked to send data to client but that client doesn't exist"
+             #:client-id client-id
+             #:data data))
+  (display data client-obj))
 
 ; (ez-run-hive hive (list (bootstrap-message hive (actor-id nm) 'start-listening)))
 
@@ -189,29 +198,47 @@
 ;;   I kinda like calling it a GM though.
 
 (define-class <game-master> (<actor>)
-  ;; The directory is a "namespaced" directory of all "special" content
-  ;; in the game, identifiable by some special key.
-  ;; (The namespace is simply a cons of (namespace . special-symbol))
-  (directory #:init-thunk make-hash-table)
+  ;; 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
-  (client-to-actor #:init-thunk make-hash-table)
+  ;; 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-val #f)
+                   #: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)))))
+    (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
-  ;;  TODO
+  (gm-init-rooms gm (message-ref message 'room-spec))
 
   ;; Restore database-based actors
   ;;  TODO
@@ -219,6 +246,45 @@
   ;; 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)
@@ -228,6 +294,16 @@
   ;; 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))
@@ -237,22 +313,264 @@
       #:client client-id
       #:data "Thanks, we got it!\n"))
 
-(define-method (gm-setup-database (gm <game-master>))
-  'TODO)
+(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))))
+
+
+;;; Game actor
+;;; ==========
+
+;;; *all* game components that talk to players should somehow
+;;; derive from this class.
+;;; And all of them need a GM!
+
+(define-class <gameobj> (<actor>)
+  ;; location id
+  (loc #:init-value #f
+       #:accessor gameobj-loc)
+  ;; game master id
+  (gm #:init-keyword #:gm
+      #:getter gameobj-gm)
+  ;; a name to be known by
+  (name #:init-keyword #:name
+        #:accessor gameobj-name)
+
+  ;; how to print our name
+  (name-f #:init-keyword #:name-f
+          #:getter gameobj-name-f
+          #:init-value gameobj-simple-name-f)
+
+  ;; Name aliases
+  (aliases #:init-keyword #:aliases
+           #:init-value '())
+
+  ;; Commands we can handle
+  (commands #:init-value #f)
+  ;; Commands we can handle by being something's container
+  (contain-commands #:init-value #f))
 
-(define-method (gm-setup-rooms-etc (gm <game-master>))
-  'TODO)
 
+(define (gameobj-simple-name-f gameobj)
+  "Simplest version: return ourselves for our name."
+  (gameobj-name gameobj))
+
+
+
+;;; Rooms
+;;; =====
+
+;; @@: Maybe make this into a record type when this congeals a bit?
+;;   I dunno?
+
+(define-class <exit> ()
+  ;; Used for wiring
+  (to-symbol #:accessor exit-to-symbol
+             #:init-keyword #:to-symbol)
+  ;; The actual address we use
+  (to-address #:accessor exit-to-address
+              #:init-keyword #:address)
+  ;; Name of the room (@@: Should this be names?)
+  (name #:accessor exit-name
+        #:init-keyword #:name)
+  (desc #:accessor exit-desc
+               #:init-keyword #:desc)
+
+  ;; *Note*: These two methods have an extra layer of indirection, but
+  ;;   it's for a good reason.
+  (visible-check #:init-value (const #t)
+                 #:init-keyword #:visible-check)
+  ;; By default all exits can be traversed
+  (traverse-check #:init-value (const #t)
+                  #:init-keyword #:traverse-check))
+
+(define* (exit-can-traverse? exit actor
+                             #:optional (target-actor (actor-id actor)))
+  ((slot-ref exit 'traverse-check) exit actor target-actor))
+
+(define* (exit-is-visible? exit actor
+                           #:optional (target-actor (actor-id actor)))
+  ((slot-ref exit 'traverse-check) exit actor target-actor))
+
+
+;; Kind of a useful utility, maybe?
+(define (simple-slot-getter slot)
+  (lambda (actor message)
+    (reply-message actor message
+                   #:val (slot-ref actor slot))))
+
+
+;; TODO: Subclass from container?
+(define-class <room> (<gameobj>)
+  (desc #:init-value ""
+               #:init-keyword #:desc)
+  ;; TODO: Switch this to be loc based
+  ;; Uses a hash table like a set (values ignored)
+  (occupants #:init-thunk make-hash-table)
+  ;; A list of <exit>
+  (exits #:init-value '()
+         #:getter room-exits)
+  ;; @@: Maybe eventually <room> will inherit from some more general
+  ;;  game object class
+
+  (contain-commands
+   #:init-value %room-contain-commands)
+
+  (message-handler
+   #:allocation #:each-subclass
+   #:init-value
+   (make-action-dispatch
+    ;; desc == description
+    (get-desc
+     (simple-slot-getter 'desc))
+    (get-name
+     (simple-slot-getter 'name))
+    ((register-occupant! actor message who)
+     "Register an actor as being a occupant of this room"
+     (hash-set! (slot-ref actor 'occupants) who #t))
+    ((evict-occupant! actor message who)
+     "De-register an occupant removed from the room"
+     (hash-remove! (slot-ref actor 'occupants) who))
+    (wire-exits! (wrap-apply room-wire-exits!)))))
+
+(define always (const #t))
+
+(define %room-contain-commands
+  (list
+   (command "look" cmatch-just-verb always 'look-room)
+   (command "look" cmatch-direct-obj always 'look-member)
+   (command "go" cmathc-just-verb always 'go-where)
+   (command "go" cmatch-direct-obj always 'go-exit)))
+
+
+(define (room-wire-exits! room message)
+  "Actually hook up the rooms' exit addresses to the rooms they
+claim to point to."
+  (for-each
+   (lambda (exit)
+     (define new-exit
+       (<-wait room (gameobj-gm room) 'lookup-room
+               #:symbol (exit-to-symbol exit)))
+
+     (set! (exit-to-address exit) new-exit))
+
+   (room-exits room)))
+
+
+
+;;; Players
+;;; =======
+
+(define-class <player> (<gameobj>)
+  (username #:init-keyword #:username
+            #:accessor player-username)
+  ;; Connection id
+  (client #:accessor player-client)
+
+  (self-commands
+   #:init-value #f  ; TODO: Set me to a reasonable default
+   #:accessor player-self-commands)
+
+  (message-handler
+   #:init-value
+   (make-action-dispatch
+    (set-loc! (wrap-apply player-set-loc!))
+    (init (wrap-apply player-init!)))))
+
+;;; player message handlers
+
+(define-mhandler (player-set-loc! player message id)
+  (format #t "DEBUG: Location set to ~s for player ~s\n"
+          id (actor-id-actor player))
+  (set! (gameobj-loc player) id))
+
+(define-mhandler (player-init! player message)
+  (player-look-around player))
+
+;;; player methods
+
+(define (player-look-around player)
+  (define room-name
+    (message-ref
+     (<-wait player (gameobj-loc player) 'get-name)
+     'val))
+  (define room-desc
+    (message-ref
+     (<-wait player (gameobj-loc player) 'get-desc)
+     'val))
+  (define message-text
+    (format #f "**~a**\n~a\n" room-name room-desc))
+
+  (<- player (gameobj-gm player) 'write-home #:text message-text))
+
+
+;;; Debugging stuff
+;;; ===============
 
-;; Debugging stuff
 (define %test-gm #f)
 
-(define (run-demo . args)
+(define (run-demo db-path room-spec default-room)
   (define hive (make-hive))
+  (define new-conn-handler
+    (make-default-room-conn-handler default-room))
   (define gm
-    (hive-create-actor-gimmie* hive <game-master> "gm"))
+    (hive-create-actor-gimmie* hive <game-master> "gm"
+                               #:new-conn-handler new-conn-handler))
   (set! %test-gm gm)
   ;; @@: Boy, wouldn't it be nice if the agenda could do things
   ;;   on interrupt :P
   (ez-run-hive hive
-               (list (bootstrap-message hive (actor-id gm) 'init-world))))
+               (list (bootstrap-message hive (actor-id gm) 'init-world
+                                        #:room-spec room-spec))))