remove game from player struct

player.go

@@ -10,7 +10,6 @@ import (
 
 type player struct {
 	ws          *websocket.Conn
-	game        *game
 	Robot       bot.Robot
 	send        chan *bot.Boardstate
 	Instruction instruction
@@ -61,9 +60,10 @@ func (p *player) nudge() {
 	p.Robot.Position.Y = newPos.Y
 }
 
-func (p *player) scan() {
+func (p *player) scan(players map[*player]bool) {
+	// TODO: perhaps keep the same one around?
 	p.Robot.Scanners = make([]bot.Scanner, 0)
-	for player := range p.game.players {
+	for player, _ := range players {
 		if player.Robot.Id == p.Robot.Id || player.Robot.Health <= 0 {
 			continue
 		}
@@ -80,8 +80,10 @@ func (p *player) scan() {
 	}
 }
 
-func (p *player) fire() *bot.Projectile {
-	for proj := range p.game.projectiles {
+func (p *player) fire(projectiles map[*bot.Projectile]bool) *bot.Projectile {
+	// XXX: is this to prevent us from having multiple projectiles from the
+	// same bot?
+	for proj := range projectiles {
 		if proj.Id == p.Robot.Id {
 			return nil
 		}