Update to new protocol (Update)

client.go

@@ -31,7 +31,7 @@ type Client struct {
 	Player    Player
 	Game      server.GameParam
 
-	boardstate server.Boardstate
+	boardstate *server.Boardstate
 	enc        encoder
 	dec        decoder
 	ws         *websocket.Conn
@@ -164,16 +164,14 @@ func (c *Client) Negociate(clientType string) (err error) {
 func (c *Client) Play() error {
 	log.Printf("%s: starting loop", c.Name)
 
+	bs := &server.Boardstate{}
 	var err error
 	for {
-		err = c.dec.Decode(&c.boardstate)
+		err = c.dec.Decode(bs)
 		if err != nil {
 			return errors.New(fmt.Sprintf("%s: Connection likely lost: %s", c.Name, err))
 		}
-		c.Player.Recv(&c.boardstate)
+		err = c.enc.Encode(c.Player.Update(bs))
-
-		instruction := c.Player.Instruction()
-		err = c.enc.Encode(instruction)
 		if err != nil {
 			return err
 		}

player.go

@@ -14,8 +14,7 @@ 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)
+	Update(bs *server.Boardstate) map[string]server.Instruction
-	Instruction() map[string]server.Instruction
 }
 
 // SimplePlayer is our default player and stands as a starting point for your
@@ -43,17 +42,32 @@ func NewSimplePlayer(width, height float64) *SimplePlayer {
 	}
 }
 
-// Recv is our implementation of receiving a server.Boardstate from the server
+// Update is our implementation of recieving and processing a server.Boardstate
-func (p *SimplePlayer) Recv(bs *server.Boardstate) {
+// from the server
-	p.speed = p.maxSpeed
+func (p *SimplePlayer) Update(bs *server.Boardstate) map[string]server.Instruction {
-	if len(bs.MyRobots) > 0 {
+	instructions := make(map[string]server.Instruction)
-		p.me = bs.MyRobots[0]
+
-	} else {
+	for _, bot := range bs.MyRobots {
-		return
+		p.me = bot
+		p.speed = 1000
+		if p.me.Health <= 0 {
+			continue
 		}
 
 		p.recon(bs)
 		p.navigate()
+
+		probe_point := p.me.Position.Add(p.me.Heading.Scale(p.safeDistance))
+
+		instructions[bot.Id] = server.Instruction{
+			MoveTo:      p.moveto,
+			TargetSpeed: &p.speed,
+			FireAt:      p.fireat,
+			Probe:       &probe_point,
+		}
+	}
+
+	return instructions
 }
 
 func (p *SimplePlayer) navigate() {
@@ -81,12 +95,7 @@ func (p *SimplePlayer) navigate() {
 }
 
 func (p *SimplePlayer) recon(bs *server.Boardstate) {
-	for _, o := range bs.Objects {
+	// XXX: need to keep track of seen objects ..
-		obj := MiniObstacle(o)
-		if _, ok := p.knownObstacles[obj.Id()]; !ok {
-			p.knownObstacles[obj.Id()] = obj.ToObstacle()
-		}
-	}
 
 	// simplest shooting strategy ... need to do the following:
 	// not shoot through buildings