Don't allow committing score if co-op points don't match.

scoring_display.go

@@ -179,7 +179,16 @@ func ScoringDisplayWebsocketHandler(w http.ResponseWriter, r *http.Request) {
 				// Don't allow committing the score until the match is over.
 				continue
 			}
-			// TODO(pat): Don't allow committing and show an error message if the red/blue co-op points aren't equal.
+
+			redScore := mainArena.redRealtimeScore.CurrentScore
+			blueScore := mainArena.blueRealtimeScore.CurrentScore
+			if redScore.CoopertitionSet != blueScore.CoopertitionSet ||
+				redScore.CoopertitionStack != blueScore.CoopertitionStack {
+				// Don't accept the score if the red and blue co-opertition points don't match up.
+				websocket.ShowDialog("Cannot commit score: Red and blue co-opertition points do not match.")
+				continue
+			}
+
 			(*score).AutoCommitted = true
 			(*score).TeleopCommitted = true
 			mainArena.scoringStatusNotifier.Notify(nil)

static/js/cheesy-websocket.js

@@ -20,6 +20,11 @@ var CheesyWebsocket = function(path, events) {
     }
   }
 
+  // Insert an event to show a dialog when the server wishes it.
+  events.dialog = function(event) {
+    alert(event.data);
+  }
+
   // Insert an event to allow the server to force-reload the client for any display.
   events.reload = function(event) {
     location.reload();

web.go

@@ -74,6 +74,10 @@ func (websocket *Websocket) WriteError(errorMessage string) error {
 	return websocket.conn.WriteJSON(WebsocketMessage{"error", errorMessage})
 }
 
+func (websocket *Websocket) ShowDialog(message string) error {
+	return websocket.conn.WriteJSON(WebsocketMessage{"dialog", message})
+}
+
 // Serves the root page of Cheesy Arena.
 func IndexHandler(w http.ResponseWriter, r *http.Request) {
 	template, err := template.ParseFiles("templates/index.html", "templates/base.html")