Moved definition of what robots have which stats into the player interface

client.go

@@ -52,7 +52,7 @@ type decoder interface {
 }
 
 // Negotiate runs through the hackerbots negociation protocol.
-func (c *Client) Negotiate(clientType string) (err error) {
+func (c *Client) Negotiate(clientType string, player Player) (err error) {
 	c.ws, err = connect(c.Server, c.Port)
 	if err != nil {
 		return errors.New(fmt.Sprintf("connection failure: %s", err))
@@ -115,9 +115,7 @@ func (c *Client) Negotiate(clientType string) (err error) {
 	case "robot":
 		conf := server.ClientConfig{
 			ID:    c.GameId,
-			Stats: map[string]server.StatsRequest{
-				c.Name: c.StatsReq,
-			},
+			Stats: player.GetStats(),
 		}
 
 		err = websocket.JSON.Send(c.ws, conf)

cmd/botspectate/main.go

@@ -36,7 +36,7 @@ func main() {
 		Player:      client.Spectator{},
 	}
 	var err error
-	err = c.Negotiate("spectator")
+	err = c.Negotiate("spectator", c.Player)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "%s: failed to negotiate: %s\n", c.Name, err)
 		os.Exit(1)

cmd/gobot/main.go

@@ -27,6 +27,7 @@ var serverHostname = flag.String("server", "localhost", "server hostname")
 var port = flag.Int("port", 8666, "server port")
 var botname = flag.String("name", "gobot", "the name that other players will see")
 var forceJSON = flag.Bool("json", false, "force json encoding")
+var botType = flag.String("bot", "simple", "which Bot")
 
 func main() {
 	rand.Seed(time.Now().UnixNano())
@@ -58,11 +59,17 @@ func main() {
 		ForceJSON:   *forceJSON,
 		StateStream: make(chan *server.Boardstate),
 		Die:         make(chan struct{}),
-
-		Player: client.NewSimplePlayer(800, 600),
 	}
+
+	switch *botType {
+	case "simple":
+		c.Player = client.NewSimplePlayer(800, 600, c.StatsReq)
+	case "fraserbot":
+		c.Player = client.NewFraserbot("Fraserbot", c.StatsReq)
+	}
+
 	var err error
-	err = c.Negotiate("robot")
+	err = c.Negotiate("robot", c.Player)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "%s: failed to negociate: %s\n", c.Name, err)
 		os.Exit(1)

fraserbot.go

@@ -0,0 +1,96 @@
+package client
+
+import (
+	"fmt"
+	"math/rand"
+
+	"hackerbots.us/server"
+	"hackerbots.us/vector"
+)
+
+// Fraserbot is a bad ass motherfucker, that will fuck SHIT UUUUUP
+type Fraserbot struct {
+	me             server.Robot
+	knownObstacles map[string]server.Obstacle
+	nearestEnemy   *server.OtherRobot
+	fireat         *vector.Point2d
+	moveto         *vector.Point2d
+	speed          float64
+	stats          server.StatsRequest
+	name           string
+}
+
+// NewFraserbot simply returns a populated, usable *Fraserbot
+func NewFraserbot(name string, stats server.StatsRequest) *Fraserbot {
+	return &Fraserbot{
+		knownObstacles: make(map[string]server.Obstacle),
+		stats:          stats,
+		name:           name,
+	}
+}
+
+// GetStats returns a map with an entry for each robot the player will control
+// containing the desired stats for that robot
+func (p *Fraserbot) GetStats() map[string]server.StatsRequest {
+	s := make(map[string]server.StatsRequest)
+
+	s[fmt.Sprintf("%v_MAIN", p.name)] = server.StatsRequest{
+		Hp:            10,
+		Speed:         10,
+		Acceleration:  10,
+		ScannerRadius: 10,
+		TurnSpeed:     10,
+		FireRate:      10,
+		WeaponRadius:  10,
+		WeaponDamage:  10,
+		WeaponSpeed:   10,
+	}
+
+	s[fmt.Sprintf("%v_Jr", p.name)] = server.StatsRequest{
+		Hp:            10,
+		Speed:         10,
+		Acceleration:  10,
+		ScannerRadius: 10,
+		TurnSpeed:     10,
+		FireRate:      10,
+		WeaponRadius:  10,
+		WeaponDamage:  10,
+		WeaponSpeed:   10,
+	}
+
+	return s
+}
+
+// Update is our implementation of recieving and processing a server.Boardstate
+// from the server
+func (p *Fraserbot) Update(bs *server.Boardstate) map[string]server.Instruction {
+	instructions := make(map[string]server.Instruction)
+	for _, bot := range bs.MyRobots {
+		p.me = bot
+		p.speed = 1000
+
+		if p.moveto == nil {
+			p.moveto = &p.me.Position
+		}
+
+		if p.me.Position.Sub(*p.moveto).Mag() < 30 {
+			p.moveto = p.randomDirection()
+		}
+
+		instructions[bot.Id] = server.Instruction{
+			MoveTo:      p.moveto,
+			TargetSpeed: &p.speed,
+			FireAt:      p.fireat,
+		}
+	}
+	return instructions
+}
+
+// randomDirection is a spot within 200 of the current position
+func (p *Fraserbot) randomDirection() *vector.Point2d {
+	pt := vector.Vector2d{
+		X: (rand.Float64() * 400) - 200 + p.me.Position.X,
+		Y: (rand.Float64() * 400) - 200 + p.me.Position.Y,
+	}.ToPoint()
+	return &pt
+}

player.go

@@ -1,12 +1,6 @@
 package client
 
-import (
-	"math"
-	"math/rand"
-
-	"hackerbots.us/server"
-	"hackerbots.us/vector"
-)
+import "hackerbots.us/server"
 
 // Player is the interface that is implemented when specifying non-default
 // player behavior.
@@ -14,143 +8,22 @@ 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 {
+
+	// GetStats returns a map with an entry for each robot the player will control
+	// containing the desired stats for that robot
+	GetStats() map[string]server.StatsRequest
+
+	// Update is called on reciept of a board state packet and the response is
+	// the instructions for each robot in a map of robot id to instructions
 	Update(bs *server.Boardstate) map[string]server.Instruction
 }
 
-// SimplePlayer is our default player and stands as a starting point for your
-// own Player implementations.
-type SimplePlayer struct {
-	me             server.Robot
-	width, height  float64
-	knownObstacles map[string]server.Obstacle
-	nearestEnemy   *server.OtherRobot
-	fireat         *vector.Point2d
-	moveto         *vector.Point2d
-	speed          float64
-	maxSpeed       float64
-	safeDistance   float64
-}
-
-// NewSimplePlayer simply returns a populated, usable *SimplePlayer
-func NewSimplePlayer(width, height float64) *SimplePlayer {
-	return &SimplePlayer{
-		knownObstacles: make(map[string]server.Obstacle),
-		width:          width,
-		height:         height,
-		maxSpeed:       100,
-		safeDistance:   40,
-	}
-}
-
-// Update is our implementation of recieving and processing a server.Boardstate
-// from the server
-func (p *SimplePlayer) Update(bs *server.Boardstate) map[string]server.Instruction {
-	instructions := make(map[string]server.Instruction)
-
-	for _, bot := range bs.MyRobots {
-		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() {
-	if p.moveto == nil {
-		p.moveto = p.randomDirection()
-	}
-
-	togo := p.me.Position.Sub(*p.moveto).Mag()
-	if togo < p.safeDistance+5 {
-		p.moveto = p.randomDirection()
-		return
-	}
-	if !p.probe(p.me.Position.Add(p.me.Heading.Scale(p.safeDistance))) {
-		p.speed = 0
-		if !p.probe(*p.moveto) {
-			p.moveto = p.randomDirection()
-			return
-		}
-	}
-	if p.me.Collision != nil {
-		p.moveto = p.randomDirection()
-		p.speed = 0
-		return
-	}
-}
-
-func (p *SimplePlayer) recon(bs *server.Boardstate) {
-	// XXX: need to keep track of seen objects ..
-
-	// simplest shooting strategy ... need to do the following:
-	// not shoot through buildings
-	// shoot at where the robot will be, not where it was.
-	p.nearestEnemy = nil
-	p.fireat = nil
-	closest := math.Inf(1)
-	for _, enemy := range bs.OtherRobots {
-		dist := p.me.Position.Sub(enemy.Position).Mag()
-		if dist < closest && dist > p.safeDistance {
-			p.nearestEnemy = &enemy
-		}
-	}
-	if p.nearestEnemy != nil {
-		point := p.nearestEnemy.Position.Add(p.nearestEnemy.Heading.Scale(p.safeDistance))
-		p.fireat = &point
-	}
-}
-
-// 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.Float64() * p.width,
-		Y: rand.Float64() * p.height,
-	}.ToPoint()
-	return &pt
-}
-
-func (p *SimplePlayer) probe(destination vector.Point2d) bool {
-	// XXX: make test for this
-	for _, v := range p.knownObstacles {
-		collided, _, _ := vector.RectIntersection(
-			v.Bounds,
-			p.me.Position,
-			destination.Sub(p.me.Position),
-		)
-		if collided {
-			return false
-		}
-	}
-	return true
-}
-
 type Spectator struct{}
 
+func (s Spectator) GetStats() map[string]server.StatsRequest {
+	return nil
+}
+
 func (s Spectator) Update(bs *server.Boardstate) map[string]server.Instruction {
 	return nil
 }

simple_player.go

@@ -0,0 +1,151 @@
+package client
+
+import (
+	"math"
+	"math/rand"
+
+	"hackerbots.us/server"
+	"hackerbots.us/vector"
+)
+
+// SimplePlayer is our default player and stands as a starting point for your
+// own Player implementations.
+type SimplePlayer struct {
+	me             server.Robot
+	width, height  float64
+	knownObstacles map[string]server.Obstacle
+	nearestEnemy   *server.OtherRobot
+	fireat         *vector.Point2d
+	moveto         *vector.Point2d
+	speed          float64
+	maxSpeed       float64
+	safeDistance   float64
+	stats          server.StatsRequest
+}
+
+// NewSimplePlayer simply returns a populated, usable *SimplePlayer
+func NewSimplePlayer(width, height float64, stats server.StatsRequest) *SimplePlayer {
+	return &SimplePlayer{
+		knownObstacles: make(map[string]server.Obstacle),
+		width:          width,
+		height:         height,
+		maxSpeed:       100,
+		safeDistance:   40,
+		stats:          stats,
+	}
+}
+
+// GetStats returns a map with an entry for each robot the player will control
+// containing the desired stats for that robot
+func (p *SimplePlayer) GetStats() map[string]server.StatsRequest {
+	s := make(map[string]server.StatsRequest)
+	s["simple"] = p.stats
+	return s
+}
+
+// Update is our implementation of recieving and processing a server.Boardstate
+// from the server
+func (p *SimplePlayer) Update(bs *server.Boardstate) map[string]server.Instruction {
+	instructions := make(map[string]server.Instruction)
+
+	for _, bot := range bs.MyRobots {
+		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() {
+	if p.moveto == nil {
+		p.moveto = p.randomDirection()
+	}
+
+	togo := p.me.Position.Sub(*p.moveto).Mag()
+	if togo < p.safeDistance+5 {
+		p.moveto = p.randomDirection()
+		return
+	}
+	if !p.probe(p.me.Position.Add(p.me.Heading.Scale(p.safeDistance))) {
+		p.speed = 0
+		if !p.probe(*p.moveto) {
+			p.moveto = p.randomDirection()
+			return
+		}
+	}
+	if p.me.Collision != nil {
+		p.moveto = p.randomDirection()
+		p.speed = 0
+		return
+	}
+}
+
+func (p *SimplePlayer) recon(bs *server.Boardstate) {
+	// XXX: need to keep track of seen objects ..
+
+	// simplest shooting strategy ... need to do the following:
+	// not shoot through buildings
+	// shoot at where the robot will be, not where it was.
+	p.nearestEnemy = nil
+	p.fireat = nil
+	closest := math.Inf(1)
+	for _, enemy := range bs.OtherRobots {
+		dist := p.me.Position.Sub(enemy.Position).Mag()
+		if dist < closest && dist > p.safeDistance {
+			p.nearestEnemy = &enemy
+		}
+	}
+	if p.nearestEnemy != nil {
+		point := p.nearestEnemy.Position.Add(p.nearestEnemy.Heading.Scale(p.safeDistance))
+		p.fireat = &point
+	}
+}
+
+// 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.Float64() * p.width,
+		Y: rand.Float64() * p.height,
+	}.ToPoint()
+	return &pt
+}
+
+func (p *SimplePlayer) probe(destination vector.Point2d) bool {
+	// XXX: make test for this
+	for _, v := range p.knownObstacles {
+		collided, _, _ := vector.RectIntersection(
+			v.Bounds,
+			p.me.Position,
+			destination.Sub(p.me.Position),
+		)
+		if collided {
+			return false
+		}
+	}
+	return true
+}