`(hide-mob-hash (,mob 'get-mob-id)))))
(define (run-mobs mobs)
+ (clear-mob-data)
+ (for-each (lambda (m) (m 'publish-data)) mobs)
+ (run-mobs-events)
(for-each
(lambda (m)
(glPushMatrix)
,mob-id-symbol)
((get-type)
,type-symbol)
+ ((publish-data)
+ (cond ((not (null? ',publish))
+ (publish-mob-data ,mob-id-symbol ,type-symbol ,(cons 'list (map (lambda (x) `(cons ',(car x) ,(car x))) publish))))))
(else
- (display ,(cons 'list (map (lambda (x) `(acons ',(car x) ,(car x) '())) publish)))
- (newline)
(catch #t
(lambda () ,@body)
(lambda (key . args) #f))))))))
(define-macro (lambda-mob attr . body)
`(the-mob 'undefined ,attr '() ,@body))
+
+
+;;; Events Engine
+
+(define publish-mob-data #f)
+(define clear-mob-data #f)
+(define def-mobs-event #f)
+(define run-mobs-events #f)
+(define return-data #f)
+
+(define published-data (make-hash-table))
+(define mobs-events (make-hash-table))
+(define returned-data (make-hash-table))
+
+(let ((nop #f))
+ (set! publish-mob-data
+ (lambda (mob-id mob-type data)
+ (let ((t (hash-ref published-data mob-type))
+ (i (cons mob-id data)))
+ (hash-set! published-data mob-type
+ (cond (t (cons i t))
+ (else (list i)))))))
+
+ (set! clear-mob-data
+ (lambda ()
+ (hash-clear! published-data)
+ (hash-clear! returned-data)))
+
+ (set! def-mobs-event
+ (lambda (pair fun)
+ (cond ((not fun)
+ (hash-remove! mobs-events pair))
+ (else
+ (hash-set! mobs-events pair fun)))))
+
+ (set! run-mobs-events
+ (lambda ()
+ (hash-for-each
+ (lambda (types fun)
+ (let ((t1 (hash-ref published-data (car types)))
+ (t2 (hash-ref published-data (cadr types))))
+ (cond ((and t1 t2)
+ (for-each
+ (lambda (m1)
+ (for-each
+ (lambda (m2)
+ (let ((res (catch #t
+ (lambda () (fun (cdr m1) (cdr m2)))
+ (lambda (key . args) #f))))
+ (cond ((and (list? res) (>= (length res) 2))
+ (let ((id1 (car m1)) (id2 (car m2))
+ (r1 (car res)) (r2 (cadr res)))
+ (return-data id1 (cadr types) r1)
+ (return-data id2 (car types) r2)
+)))))
+ t2))
+ t1)))))
+ mobs-events)))
+
+ (set! return-data
+ (lambda (mob-id mob-type data)
+ (let* ((key (list mob-id mob-type))
+ (res (hash-ref returned-data key)))
+ (hash-set! returned-data key
+ (cond (res (cons data res))
+ (else (list data))))
+)))
+)
+
+(define-macro (define-mobs-event types-pair . body)
+ `(def-mobs-event
+ ',types-pair
+ ,(cond ((null? body) #f)
+ (else `(lambda (,(car types-pair) ,(cadr types-pair)) ,@body)))))