clean

commands.go

@@ -40,7 +40,7 @@ var nearbyCommand = &Command{
 		}
 		for _, neighbor := range neighbors {
 			other := index[neighbor.id]
-			fmt.Fprintf(conn, "%s: %v\n", other.name, neighbor.distance)
+			fmt.Fprintf(conn, "%-4d %-20s %v\n", other.id, other.name, system.TravelTimeTo(other))
 		}
 	},
 }
@@ -120,7 +120,7 @@ var scanCommand = &Command{
 			if id == system.id {
 				continue
 			}
-			delay := system.TimeTo(index[id])
+			delay := system.LightTimeTo(index[id])
 			id2 := id
 			After(delay, func() {
 				scanSystem(id2, system.id)
@@ -140,7 +140,7 @@ var broadcastCommand = &Command{
 			if id == system.id {
 				continue
 			}
-			delay := system.TimeTo(index[id])
+			delay := system.LightTimeTo(index[id])
 			id2 := id
 			After(delay, func() {
 				deliverMessage(id2, system.id, msg)
@@ -228,11 +228,11 @@ func move(conn *Connection, to *System) {
 	start := conn.System()
 	start.Leave(conn)
 
-	delay := start.TimeTo(to)
-	delay = time.Duration(int64(float64(delay/time.Nanosecond) * 1.25))
+	delay := start.TravelTimeTo(to)
+	fmt.Fprintf(conn, "moving to %s. ETA: %v\n", to.name, delay)
 	After(delay, func() {
 		to.Arrive(conn)
-		fmt.Fprintf(conn, "You have arrived at the %s system.\n", to.name)
+		fmt.Fprintf(conn, "You have arrived at the %s system after a total travel time of %v.\n", to.name, delay)
 	})
 }
 
@@ -289,8 +289,7 @@ var mkBombCommand = &Command{
 
 func bomb(conn *Connection, to *System) {
 	conn.bombs -= 1
-	delay := conn.System().TimeTo(to)
-	delay = time.Duration(int64(float64(delay/time.Nanosecond) * 1.1))
+	delay := conn.System().BombTimeTo(to)
 	fmt.Fprintf(conn, "sending bomb to %s. ETA: %v\n", to.name, delay)
 	After(delay, func() {
 		to.Bombed(conn)

system.go

@@ -70,10 +70,18 @@ func (s *System) DistanceTo(other *System) float64 {
 	return dist3d(s.x, s.y, s.z, other.x, other.y, other.z)
 }
 
-func (s *System) TimeTo(other *System) time.Duration {
+func (s *System) LightTimeTo(other *System) time.Duration {
 	return time.Duration(int64(s.DistanceTo(other) * 100000000))
 }
 
+func (s *System) BombTimeTo(other *System) time.Duration {
+	return time.Duration(int64(s.DistanceTo(other) * 110000000))
+}
+
+func (s *System) TravelTimeTo(other *System) time.Duration {
+	return time.Duration(int64(s.DistanceTo(other) * 125000000))
+}
+
 func (s *System) Bombed(bomber *Connection) {
 	s.EachConn(func(conn *Connection) {
 		conn.Die()
@@ -88,7 +96,7 @@ func (s *System) Bombed(bomber *Connection) {
 		if id == s.id {
 			continue
 		}
-		delay := s.TimeTo(index[id])
+		delay := s.BombTimeTo(index[id])
 		id2 := id
 		After(delay, func() {
 			bombNotice(id2, s.id)
@@ -216,7 +224,7 @@ func (r *scanResults) write(w io.Writer) {
 func scanSystem(id int, reply int) {
 	system := index[id]
 	source := index[reply]
-	delay := system.TimeTo(source)
+	delay := system.LightTimeTo(source)
 	log_info("scan hit %s from %s after traveling for %v", system.name, source.name, delay)
 
 	system.EachConn(func(conn *Connection) {
@@ -234,7 +242,7 @@ func scanSystem(id int, reply int) {
 func deliverReply(id int, echo int, results *scanResults) {
 	system := index[id]
 	source := index[echo]
-	delay := system.TimeTo(source)
+	delay := system.LightTimeTo(source)
 	log_info("echo received at %s reflected from %s after traveling for %v", system.name, source.name, delay)
 	system.EachConn(func(conn *Connection) {
 		if results.negative() {