added bw calcs

unfortunately there is an issue with how these are calculated, and they don't
decrease as things quiet down. Well, the bad numbers are their for your
consumption, and should Just Work TM when appropriate changes in
bitbucket.org/smcquay/bandwith land. And they will. But I'm tired now.

protocol.go

@@ -153,7 +153,8 @@ func addPlayer(ws *websocket.Conn) {
 
 	game := games.get(gid.Id)
 	if game == nil {
-		game = NewGame(
+		var err error
+		game, err = NewGame(
 			gid.Id,
 			float32(conf.Width),
 			float32(conf.Height),
@@ -162,6 +163,11 @@ func addPlayer(ws *websocket.Conn) {
 			conf.MaxPoints,
 			"",
 		)
+		if err != nil {
+			log.Printf("problem creating game: %s", gid.Id)
+			websocket.JSON.Send(ws, NewFailure("game creation error"))
+			return
+		}
 		go game.run()
 		games.add(game)
 	}
@@ -230,7 +236,7 @@ func addPlayer(ws *websocket.Conn) {
 			}
 		}
 
-		p := NewPlayer(player_id, ws)
+		p := NewPlayer(player_id, ws, game.bw)
 		log.Printf("%s: made a player: %s", gid.Id, p.Id)
 
 		convertedStats := map[string]Stats{}
@@ -285,7 +291,7 @@ func addPlayer(ws *websocket.Conn) {
 			gid.Id,
 		)
 	case "spectator":
-		s := NewSpectator(player_id, ws)
+		s := NewSpectator(player_id, ws, game.bw)
 		log.Printf("%s, %s: about to register this spectator", gid.Id, s.Id)
 		game.sregister <- s
 		log.Printf("%s, %s: registered spectator", gid.Id, s.Id)