chaneg the player interface to be more consistent with the JS version

client.go

@@ -163,10 +163,14 @@ func (c *Client) Play() error {
 		if err != nil {
 			return errors.New(fmt.Sprintf("%s: Connection likely lost: %s", c.Name, err))
 		}
-		c.Player.Recv(&c.boardstate)
 
-		instruction := c.Player.Instruction()
-		err = c.enc.Encode(instruction)
+		instructions := make(map[string]server.Instruction)
+
+		for _,bot := range(c.boardstate.MyRobots){
+			instructions[bot.Id] = c.Player.Update(&bot, &c.boardstate)		
+		}
+
+		err = c.enc.Encode(instructions)
 		if err != nil {
 			return err
 		}

player.go

@@ -15,8 +15,7 @@ import (
 // The general case will be to implement a Player type that contains the magic
 // required to slay other robots quickly while staying alive for a long time.
 type Player interface {
-	Recv(bs *server.Boardstate)
-	Instruction() map[string]server.Instruction
+	Update(bot *server.Robot, bs *server.Boardstate) server.Instruction
 }
 
 // SimplePlayer is our default player and stands as a starting point for your
@@ -45,16 +44,28 @@ func NewSimplePlayer(width, height float32) *SimplePlayer {
 }
 
 // Recv is our implementation of receiving a server.Boardstate from the server
-func (p *SimplePlayer) Recv(bs *server.Boardstate) {
+func (p *SimplePlayer) Update(bot *server.Robot, bs *server.Boardstate) server.Instruction{
+	instruction := server.Instruction{
+		MoveTo:      nil,
+		TargetSpeed: nil,
+		FireAt:   	 nil,
+	}
+
 	p.speed = p.maxSpeed
 	if len(bs.MyRobots) > 0 {
 		p.me = bs.MyRobots[0]
 	} else {
-		return
+		return instruction
 	}
 
 	p.recon(bs)
 	p.navigate()
+
+	return server.Instruction{
+		MoveTo:      p.moveto,
+		TargetSpeed: &p.speed,
+		FireAt:   	 p.fireat,
+	}
 }
 
 func (p *SimplePlayer) navigate() {
@@ -107,18 +118,6 @@ func (p *SimplePlayer) recon(bs *server.Boardstate) {
 	}
 }
 
-// Instruction is our default implementation of preparing a map of information
-// to be sent to server.
-func (p *SimplePlayer) Instruction() map[string]server.Instruction {
-	return map[string]server.Instruction{
-		p.me.Id: {
-			MoveTo:      p.moveto,
-			TargetSpeed: &p.speed,
-			FireAt:      p.fireat,
-		},
-	}
-}
-
 func (p *SimplePlayer) randomDirection() *vector.Point2d {
 	pt := vector.Vector2d{
 		X: rand.Float32() * p.width,