remove game from player struct

game.go

@@ -55,6 +55,7 @@ func (g *game) run() {
 	for {
 		select {
 		case <-g.kill:
+			log.Printf("%s: received kill signal, dying gracefully", g.id)
 			return
 		case p := <-g.register:
 			g.players[p] = true
@@ -77,6 +78,7 @@ 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
@@ -84,7 +86,7 @@ func (g *game) run() {
 			for p := range g.players {
 				if p.Robot.Health > 0 {
 					robots_remaining++
-					p.scan()
+					p.scan(g.players)
 					p.nudge()
 					// XXX: change to pointer, check for pointer as (0, 0) is valid target
 					if p.Robot.FireAt != nil {