reuse some slices

game.go

@@ -44,6 +44,7 @@ func NewGame(id string, width, height float64) *game {
 func (g *game) run() {
 	started := false
 	var t0, t1 time.Time
+	payload := bot.NewBoardstate()
 	for {
 		select {
 		case <-g.kill:
@@ -69,6 +70,8 @@ func (g *game) run() {
 			}
 
 			g.turn++
+			payload.Turn = g.turn
+
 			t0 = time.Now()
 
 			if *verbose {
@@ -78,9 +81,6 @@ func (g *game) run() {
 				log.Printf("Explosions: %v", len(g.splosions))
 			}
 
-			// TODO: making one of these every iteration seems wasteful
-			payload := bot.NewBoardstate(g.turn)
-
 			robots_remaining := 0
 
 			for p := range g.players {
@@ -140,6 +140,7 @@ func (g *game) run() {
 				log.Printf("Sent Payload %v\n", t1.Sub(t0))
 			}
 
+			payload.EmptySlices()
 		}
 	}
 }