All robots are spectators

botspectate/main.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"hackerbots.us/client"
+	"hackerbots.us/server"
 )
 
 var serverHostname = flag.String("server", "localhost", "server hostname")
@@ -26,12 +27,15 @@ func main() {
 	}
 
 	c := &client.Client{
-		Server:    *serverHostname,
-		Port:      *port,
-		Name:      "bspect",
-		GameId:    gameId,
-		Verbose:   *verbose,
-		ForceJSON: *forceJSON,
+		Server:      *serverHostname,
+		Port:        *port,
+		Name:        "bspect",
+		GameId:      gameId,
+		Verbose:     *verbose,
+		ForceJSON:   *forceJSON,
+		StateStream: make(chan *server.Boardstate),
+		Die:         make(chan struct{}),
+		Player:      client.Spectator{},
 	}
 	var err error
 	err = c.Negociate("spectator")
@@ -39,17 +43,10 @@ func main() {
 		log.Fatalf("%s: failed to negociate: %s", c.Name, err)
 	}
 
-	spectator := client.NewSimpleSpectator(
-		c.Game.BoardSize.Width,
-		c.Game.BoardSize.Height,
-	)
-	c.Player = spectator
-
 	go func() {
 		if err := c.Play(); err != nil {
-			close(spectator.Die)
+			close(c.Die)
 		}
 	}()
-
-	spectator.Run()
+	c.Visualize()
 }

client.go

@@ -29,13 +29,20 @@ type Client struct {
 	Server    string
 	StatsReq  server.StatsRequest
 	Verbose   bool
-	Player    Player
 	Game      server.GameParam
 
 	boardstate *server.Boardstate
 	enc        encoder
 	dec        decoder
 	ws         *websocket.Conn
+
+	// visualization members
+	width, height float64
+	viewX, viewY  int
+	StateStream   chan *server.Boardstate
+	Die           chan struct{}
+
+	Player
 }
 
 type encoder interface {
@@ -156,6 +163,9 @@ func (c *Client) Negociate(clientType string) (err error) {
 	case "spectator":
 	}
 
+	c.width = c.Game.BoardSize.Width
+	c.height = c.Game.BoardSize.Height
+
 	return nil
 }
 
@@ -172,7 +182,8 @@ func (c *Client) Play() error {
 		if err != nil {
 			return errors.New(fmt.Sprintf("%s: Connection likely lost: %s", c.Name, err))
 		}
-		err = c.enc.Encode(c.Player.Update(bs))
+		c.StateStream <- bs
+		err = c.enc.Encode(c.Update(bs))
 		if err != nil {
 			return err
 		}

gobot/main.go

@@ -56,8 +56,12 @@ func main() {
 			WeaponDamage:  *weaponDamage,
 			WeaponSpeed:   *weaponSpeed,
 		},
-		Verbose:   *verbose,
-		ForceJSON: *forceJSON,
+		Verbose:     *verbose,
+		ForceJSON:   *forceJSON,
+		StateStream: make(chan *server.Boardstate),
+		Die:         make(chan struct{}),
+
+		Player: client.NewSimplePlayer(800, 600),
 	}
 	var err error
 	err = c.Negociate("robot")
@@ -65,12 +69,10 @@ func main() {
 		log.Fatalf("%s: failed to negociate: %s", c.Name, err)
 	}
 
-	c.Player = client.NewSimplePlayer(
-		c.Game.BoardSize.Width,
-		c.Game.BoardSize.Height,
-	)
-
-	if err := c.Play(); err != nil {
-		log.Fatal(err)
-	}
+	go func() {
+		if err := c.Play(); err != nil {
+			close(c.Die)
+		}
+	}()
+	c.Visualize()
 }

player.go

@@ -66,7 +66,6 @@ func (p *SimplePlayer) Update(bs *server.Boardstate) map[string]server.Instructi
 			Probe:       &probe_point,
 		}
 	}
-
 	return instructions
 }
 
@@ -149,3 +148,9 @@ func (p *SimplePlayer) probe(destination vector.Point2d) bool {
 	}
 	return true
 }
+
+type Spectator struct{}
+
+func (s Spectator) Update(bs *server.Boardstate) map[string]server.Instruction {
+	return nil
+}

spectator.go

@@ -18,30 +18,13 @@ type size struct {
 	width, height int
 }
 
-type SimpleSpectator struct {
-	width, height float64
-	viewX, viewY  int
-	update        chan *server.Boardstate
-	Die           chan struct{}
-}
-
-// NewSimpleSpectator simply returns a populated, usable *SimplePlayer
-func NewSimpleSpectator(width, height float64) *SimpleSpectator {
-	return &SimpleSpectator{
-		width:  width,
-		height: height,
-		update: make(chan *server.Boardstate),
-		Die:    make(chan struct{}),
-	}
-}
-
 // Recv is our implementation of receiving a server.Boardstate from the server
-func (s *SimpleSpectator) Update(bs *server.Boardstate) map[string]server.Instruction {
-	s.update <- bs
+func (s *Client) Recv(bs *server.Boardstate) map[string]server.Instruction {
+	s.StateStream <- bs
 	return nil
 }
 
-func (s *SimpleSpectator) Run() {
+func (s *Client) Visualize() {
 	err := termbox.Init()
 	if err != nil {
 		log.Fatal(err)
@@ -49,7 +32,7 @@ func (s *SimpleSpectator) Run() {
 
 	s.viewX, s.viewY = termbox.Size()
 
-	events := make(chan termbox.Event)
+	events := make(chan termbox.Event, 1024)
 	go func() {
 		for {
 			events <- termbox.PollEvent()
@@ -83,7 +66,7 @@ func (s *SimpleSpectator) Run() {
 				case termbox.EventError:
 					log.Fatalf("Quitting because of termbox error: \n%s\n", event.Err)
 				}
-			case u := <-s.update:
+			case u := <-s.StateStream:
 				termbox.Clear(termbox.ColorBlack, termbox.ColorBlack)
 
 				for _, obstacle := range u.Obstacles {
@@ -103,7 +86,7 @@ func (s *SimpleSpectator) Run() {
 					}
 				}
 
-				for _, bot := range u.OtherRobots {
+				for _, bot := range u.MyRobots {
 					x := int((bot.Position.X / s.width) * float64(s.viewX))
 					y := int((bot.Position.Y / s.height) * float64(s.viewY))
 					var b rune
@@ -132,6 +115,35 @@ func (s *SimpleSpectator) Run() {
 					)
 				}
 
+				for _, bot := range u.OtherRobots {
+					x := int((bot.Position.X / s.width) * float64(s.viewX))
+					y := int((bot.Position.Y / s.height) * float64(s.viewY))
+					var b rune
+					if math.Abs(bot.Heading.X) > math.Abs(bot.Heading.Y) {
+						if bot.Heading.X > 0 {
+							b = botRight
+						} else {
+							b = botLeft
+						}
+					} else {
+						if bot.Heading.Y > 0 {
+							b = botUp
+						} else {
+							b = botDown
+						}
+					}
+					c := termbox.ColorRed
+					if bot.Health <= 0 {
+						c = termbox.ColorBlack
+					}
+					termbox.SetCell(
+						x,
+						s.viewY-y,
+						b,
+						c, termbox.ColorBlack,
+					)
+				}
+
 				for _, p := range u.Projectiles {
 					x := int((p.Position.X / s.width) * float64(s.viewX))
 					y := int((p.Position.Y / s.height) * float64(s.viewY))