Went back to milliseconds to benefit accuracy over formatting ease. Start and end timestamps for run splits are now based on internal timestamps as well.

database/run.lisp

@@ -1,13 +1,14 @@
 (mito:deftable run ()
-  ((category :col-type category))
+  ((category :col-type category)
+   (end-date :col-type (or :datetime :null)))
   (:record-timestamps nil)
   (:conc-name run-))
   
 (mito:deftable run-split ()
   ((run :col-type run)
    (category-split :col-type category-split)
-   (start-time :col-type (or :datetime :null))
-   (end-time :col-type (or :datetime :null)))
+   (start-timestamp :col-type (or :bigint :null))
+   (end-timestamp :col-type (or :bigint :null)))
   (:record-timestamps nil)
   (:conc-name run-split-))
 
@@ -21,22 +22,20 @@
 ;; Returns the elapsed time in milliseconds since split started to either
 ;; current time or the split's end time
 (defun run-split-elapsed-time (run-split)
-  (let ((start (ignore-errors (run-split-start-time run-split)))
-        (end (or (ignore-errors (run-split-end-time run-split)) (local-time:now))))
+  (let ((start (ignore-errors (run-split-start-timestamp run-split)))
+        (end (or (ignore-errors (run-split-end-timestamp run-split)) (get-internal-real-time))))
     (if start
-        (floor (* 100 (local-time:timestamp-difference end start))))))
+        (- end start))))
 
 (defun run-split-format-elapsed-time (run-split)
   (let ((elapsed (run-split-elapsed-time run-split)))
     (if elapsed
-        (format-time (make-time-alist elapsed))
+        (format-time (make-time-alist (millis-since-internal-timestamp 0 elapsed)))
         "-")))
 
-
-
 (defmacro query-with-runs-elapsed (&rest body)
   `(mito:retrieve-by-sql
-    (sxql:select (:* (:as (:raw "sum(julianday(end_time) - julianday(start_time))*24*60*60") :elapsed))
+    (sxql:select (:* (:as (:sum (:* (:/ (:raw "end_timestamp - CAST(start_timestamp AS REAL)") ,internal-time-units-per-second) 1000)) :elapsed))
                  (sxql:from :run_split)
                  (sxql:group-by :run_id)
                  ,@body)))

speedrun.lisp

@@ -44,13 +44,14 @@
 ;; Updates the current total elapsed time of the speedrun if it's running
 (defun update-time (speedrun)
   (if (eq (speedrun-state speedrun) 'RUNNING)
-      (setf (speedrun-elapsed speedrun) (floor (* 100 (/ (- (get-internal-real-time) (speedrun-start-timestamp speedrun)) internal-time-units-per-second))))))
+      (setf (speedrun-elapsed speedrun) (millis-since-internal-timestamp (speedrun-start-timestamp speedrun)))))
 
 ;; Initializes a speedrun to start running the timer
 (defun start-speedrun (speedrun)
-  (setf (speedrun-state speedrun) 'RUNNING
-        (speedrun-start-timestamp speedrun) (get-internal-real-time)
-        (run-split-start-time (current-split speedrun)) (local-time:now)))
+  (let ((now (get-internal-real-time)))
+    (setf (speedrun-state speedrun) 'RUNNING
+          (speedrun-start-timestamp speedrun) now 
+          (run-split-start-timestamp (current-split speedrun)) now)))
 
 ;; Saves the speedrun into the database
 (defun save-speedrun (speedrun)
@@ -59,16 +60,18 @@
 ;; Set the state of the speedrun to be stopped if there are no more splits.
 ;; Or, set the current split to the next one in the list.
 (defun next-split (speedrun)
-  (let ((now (local-time:now)))
+  (let ((now (get-internal-real-time)))
     (unless (equal (speedrun-state speedrun) 'STOPPED)
-      (setf (run-split-end-time (current-split speedrun)) now)
+      (setf (run-split-end-timestamp (current-split speedrun)) now)
       (if (equal (speedrun-current-split-index speedrun) (1- (length (speedrun-splits speedrun))))
           (progn
             (setf
-             (speedrun-elapsed speedrun) (apply '+ (mapcar 'run-split-elapsed-time (speedrun-splits speedrun)))
+             (run-end-date (speedrun-run-dao speedrun)) (local-time:now)
+             ;; Since timer can get +-0.02 seconds out of sync of splits, just set it to the sum of the splits' elapsed
+             (speedrun-elapsed speedrun) (millis-since-internal-timestamp 0 (apply '+ (mapcar 'run-split-elapsed-time (speedrun-splits speedrun)))) 
              (speedrun-state speedrun) 'STOPPED)
             (save-speedrun speedrun))
           (progn
             (inc (speedrun-current-split-index speedrun))
-            (setf (run-split-start-time (current-split speedrun)) now))))))
+            (setf (run-split-start-timestamp (current-split speedrun)) now))))))
 

time.lisp

@@ -1,9 +1,11 @@
-;; Makes a-list with '((hours . HOURS) (minutes . MINUTES) (seconds . SECONDS) (cs . CENTISECONDS))
-(defun make-time-alist (cs)
-  `((hours    . ,(floor (/ cs (* 100 60 60))))
-	  (minutes . ,(floor (mod (/ cs (* 100 60)) 60)))
-	  (seconds . ,(floor (mod (/ cs 100) 60)))
-	  (cs      . ,(mod cs 100))))
+(defun millis-since-internal-timestamp (start-timestamp &optional (end-timestamp (get-internal-real-time)))
+  (ceiling (* 1000 (/ (- end-timestamp start-timestamp) internal-time-units-per-second))))
+
+(defun make-time-alist (millis)
+  `((hours    . ,(floor (/ millis (* 1000 60 60))))
+	  (minutes  . ,(floor (mod (/ millis (* 1000 60)) 60)))
+	  (seconds  . ,(floor (mod (/ millis 1000) 60)))
+	  (millis   . ,(mod millis 1000))))
 
 ;; Formats, disregarding min/hour if they shouldn't be shown, a time alist to "H:M:S.ms"
 (defun format-time (time-alist)
@@ -11,7 +13,7 @@
       ((hours (cdr (assoc 'hours time-alist)))
        (minutes (cdr (assoc 'minutes time-alist)))
        (seconds (cdr (assoc 'seconds time-alist)))
-       (centis (cdr (assoc 'cs time-alist))))
+       (centis (floor (/ (cdr (assoc 'millis time-alist)) 10))))
     (concatenate 'string
                  (unless (zerop hours) (format nil "~2,'0d:" hours))
                  (unless (and (zerop minutes) (zerop hours)) (format nil "~2,'0d:" minutes))