Merge branch 'master' of ssh://dave@fo.am/git/groworld

plant-eyes/client.ss

@@ -0,0 +1,78 @@
+#lang scheme
+(require scheme/class "jabberer.ss" "message.ss" "list-utils.ss")
+(provide (all-defined-out))
+
+; the client listens to all the messages from the logic side
+; and decides which ones to send out to the network
+; it also listens to the network and pokes the logic with updates
+
+(define client%
+  (class object%
+    (init-field
+     (jid "none@nowhere")
+     (pass "xxxx"))
+    
+    (field
+     (all-plants
+      (list 
+       "plant0000001@fo.am" 
+       "plant0000002@fo.am" 
+       "plant0000003@fo.am"
+       ))
+     (plants-present '())
+     (msg-filter (list 'new-pickup 'pick-up-pickup)) ; messages we don't want to send across the network
+     (jab (make-object jabberer% jid pass)))
+        
+    (define/public (setup)
+      (send jab start)
+      (send-msg all-plants (make-object message% 'hello-world (list (list 'plant-id jid)))))
+    
+    (define/public (send-msg recipients msg)
+      (for-each
+       (lambda (plant)
+         (when (not (string=? plant jid)) ; dont send to ourselves!
+           (send jab send-msg plant (send msg to-string))))
+       recipients))
+    
+    (define (fetch-messages l game-logic)
+      (cond ((not (send jab msg-waiting?)) l)
+            (else
+             (let* ((msg (send jab get-msg))
+                    (from (car msg))
+                    (body (cadr msg)))
+               
+               ; build a message from the xmpp message
+               (let ((msg (make-object message%)))
+                 (send msg from-string body)
+                 (let ((name (send msg get-name)))
+                   ; filter out the messages we need to respond to 
+                   ; (and don't need sending to the rest of the game)
+                   (cond 
+                     ((eq? name 'hello-world)
+                      (printf "received hello-world from ~a~n" (send msg get-data 'plant-id))
+                      (set! plants-present (cons (send msg get-data 'plant-id) plants-present))
+                      (send-msg (list from) (make-object message% 'i-am-here (list (list 'plant-id jid))))                      
+                      ; send out our plant description messages
+                      (for-each
+                       (lambda (msg)
+                         (printf "sending plant info to ~a ~n" from)
+                         (send-msg (list from) msg))
+                       (send game-logic get-player-plant-desc))
+                      (fetch-messages l game-logic))
+                     ((eq? name 'i-am-here)
+                      (set! plants-present (cons (send msg get-data 'plant-id) plants-present))
+                      (printf "received i-am-here ~a~n" plants-present)
+                      (fetch-messages l game-logic)) ; todo: send plant to view
+                     (else
+                      (fetch-messages (cons msg l) game-logic)))))))))
+    
+    (define/public (update messages game-logic)     
+      (for-each 
+       (lambda (msg)
+         (when (not (list-contains (send msg get-name) msg-filter))
+           (send-msg all-plants msg))) ; todo - need to send to plants-present only
+       messages)
+      (fetch-messages messages game-logic)) ; add get messages from the network on
+    
+    (super-new)))
+