+ (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))))
+)))