ignore new binary

Create new bserv binary

Herein lie the following ideas:

- change package visibility of many things
- try to stash the globals into structs
- the code is far from correct; it merely compiles

.gitignore

@@ -1,3 +1,3 @@
-botserv
+bserv/bserv
 *.swp
 tags

bserv/main.go

@@ -9,6 +9,7 @@ import (
 	"os"
 	"runtime/pprof"
 	"time"
+	"bitbucket.org/hackerbots/botserv"
 
 	"code.google.com/p/go.net/websocket"
 )
@@ -22,12 +23,6 @@ var config = flag.String("config", "~/.config/hackerbots/config.json", "location
 
 var delta float32
 
-var idg *IdGenerator
-var conf Config
-
-// This is the main, global collection of games
-var games MapLock
-
 func main() {
 	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
 	log.Printf("Starting Server...")
@@ -49,10 +44,7 @@ func main() {
 		log.Println("serving profile info at http://localhost:8667/debug/pprof/")
 	}
 
-	games = MapLock{m: make(map[string]*game)}
-	idg = NewIdGenerator()
-
-	conf, err = loadConfig(*config)
+	conf, err := botserv.LoadConfig(*config)
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -61,14 +53,24 @@ func main() {
 
 	sm := http.NewServeMux()
 
-	sm.Handle("/", JsonHandler(index))
-	sm.Handle("/ws/", websocket.Handler(addPlayer))
-	sm.Handle("/game/start/", JsonHandler(startGame))
-	sm.Handle("/game/list/", JsonHandler(listGames))
-	sm.Handle("/game/stats/", JsonHandler(gameStats))
-	sm.Handle("/game/bw/", JsonHandler(bw))
-	sm.Handle("/game/stop/", JsonHandler(stopGame))
-	sm.HandleFunc("/fuck/shit/up/", killServer)
+	c := botserv.Controller{
+		Idg:  botserv.NewIdGenerator(),
+		Conf: conf,
+		Games: botserv.MapLock{
+			M: make(map[string]*botserv.Game),
+		},
+		Memprofile: *mprofile,
+		Profile:    *profile,
+	}
+
+	sm.Handle("/", botserv.JsonHandler(c.Index))
+	sm.Handle("/ws/", websocket.Handler(c.AddPlayer))
+	sm.Handle("/game/start/", botserv.JsonHandler(c.StartGame))
+	sm.Handle("/game/list/", botserv.JsonHandler(c.ListGames))
+	sm.Handle("/game/stats/", botserv.JsonHandler(c.GameStats))
+	sm.Handle("/game/bw/", botserv.JsonHandler(c.BW))
+	sm.Handle("/game/stop/", botserv.JsonHandler(c.StopGame))
+	sm.HandleFunc("/fuck/shit/up/", c.KillServer)
 
 	err = http.ListenAndServe(*addr, sm)
 	if err != nil {

config.go

@@ -1,4 +1,4 @@
-package main
+package botserv
 
 import (
 	"encoding/json"
@@ -31,7 +31,7 @@ const (
 	DEFAULT_MODE = "deathmatch"
 )
 
-func loadConfig(filename string) (Config, error) {
+func LoadConfig(filename string) (Config, error) {
 	c := Config{
 		Tick:      TICK,
 		Timescale: TIMESCALE,

control.go

@@ -1,4 +1,4 @@
-package main
+package botserv
 
 import (
 	"encoding/json"
@@ -19,13 +19,21 @@ func (h JsonHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	h(w, req)
 }
 
-func startGame(w http.ResponseWriter, req *http.Request) {
+type Controller struct {
+	Idg        *IdGenerator
+	Conf       Config
+	Games      MapLock
+	Memprofile string
+	Profile    string
+}
+
+func (c *Controller) StartGame(w http.ResponseWriter, req *http.Request) {
 	log.Println("asked to create a game")
 
-	requested_game_name := idg.Hash()
-	width, height := float32(conf.Width), float32(conf.Height)
+	requested_game_name := c.Idg.Hash()
+	width, height := float32(c.Conf.Width), float32(c.Conf.Height)
 	obstacles := 0
-	maxPoints := conf.MaxPoints
+	maxPoints := c.Conf.MaxPoints
 	mode := "deathmatch"
 
 	// here we determine if we are going to run with defaults or pick them off
@@ -55,10 +63,10 @@ func startGame(w http.ResponseWriter, req *http.Request) {
 		mode = cfg.Mode
 	}
 
-	g := games.get(requested_game_name)
+	g := c.Games.get(requested_game_name)
 	if g == nil {
 		log.Printf("Game '%s' non-existant; making it now", requested_game_name)
-		g, err := NewGame(requested_game_name, width, height, obstacles, conf.Tick, maxPoints, mode)
+		g, err := NewGame(requested_game_name, width, height, obstacles, c.Conf.Tick, maxPoints, mode)
 		if err != nil {
 			log.Printf("problem creating game: %s: %s", requested_game_name, err)
 			b, _ := json.Marshal(NewFailure("game creation failure"))
@@ -66,7 +74,7 @@ func startGame(w http.ResponseWriter, req *http.Request) {
 			return
 		}
 		go g.run()
-		games.add(g)
+		c.Games.add(g)
 	} else {
 		log.Printf("Game '%s' already exists: %p", requested_game_name, g)
 		b, _ := json.Marshal(NewFailure("game already exists"))
@@ -84,10 +92,10 @@ func startGame(w http.ResponseWriter, req *http.Request) {
 	}
 }
 
-func listGames(w http.ResponseWriter, req *http.Request) {
+func (c *Controller) ListGames(w http.ResponseWriter, req *http.Request) {
 	log.Println("games list requested")
-	games.RLock()
-	defer games.RUnlock()
+	c.Games.RLock()
+	defer c.Games.RUnlock()
 	type pout struct {
 		Name string `json:"name"`
 		Id   string `json:"id"`
@@ -97,7 +105,7 @@ func listGames(w http.ResponseWriter, req *http.Request) {
 		Players []pout `json:"players"`
 	}
 	ids := make([]gl, 0)
-	for id, g := range games.m {
+	for id, g := range c.Games.M {
 		players := make([]pout, 0)
 		// TODO - players instead of robots?
 		for p := range g.players {
@@ -118,19 +126,19 @@ func listGames(w http.ResponseWriter, req *http.Request) {
 	}
 }
 
-func gameStats(w http.ResponseWriter, req *http.Request) {
+func (c *Controller) GameStats(w http.ResponseWriter, req *http.Request) {
 	// TODO: wrap this up in something similar to the JsonHandler to verify the
 	// url? Look at gorilla routing?
-	key, err := getGameId(req.URL.Path)
+	key, err := c.getGameId(req.URL.Path)
 	if err != nil {
 		b, _ := json.Marshal(NewFailure(err.Error()))
 		http.Error(w, string(b), http.StatusBadRequest)
 		return
 	}
 	log.Printf("requested stats for game: %s", key)
-	games.RLock()
-	g, ok := games.m[key]
-	games.RUnlock()
+	c.Games.RLock()
+	g, ok := c.Games.M[key]
+	c.Games.RUnlock()
 	if !ok {
 		b, _ := json.Marshal(NewFailure("game not found"))
 		http.Error(w, string(b), http.StatusNotFound)
@@ -143,19 +151,19 @@ func gameStats(w http.ResponseWriter, req *http.Request) {
 	}
 }
 
-func bw(w http.ResponseWriter, req *http.Request) {
+func (c *Controller) BW(w http.ResponseWriter, req *http.Request) {
 	// TODO: wrap this up in something similar to the JsonHandler to verify the
 	// url? Look at gorilla routing?
-	key, err := getGameId(req.URL.Path)
+	key, err := c.getGameId(req.URL.Path)
 	if err != nil {
 		b, _ := json.Marshal(NewFailure(err.Error()))
 		http.Error(w, string(b), http.StatusBadRequest)
 		return
 	}
 	log.Printf("requested bandwidth for game: %s", key)
-	games.RLock()
-	g, ok := games.m[key]
-	games.RUnlock()
+	c.Games.RLock()
+	g, ok := c.Games.M[key]
+	c.Games.RUnlock()
 	if !ok {
 		b, _ := json.Marshal(NewFailure("game not found"))
 		http.Error(w, string(b), http.StatusNotFound)
@@ -170,16 +178,16 @@ func bw(w http.ResponseWriter, req *http.Request) {
 	}
 }
 
-func stopGame(w http.ResponseWriter, req *http.Request) {
-	key, err := getGameId(req.URL.Path)
+func (c *Controller) StopGame(w http.ResponseWriter, req *http.Request) {
+	key, err := c.getGameId(req.URL.Path)
 	if err != nil {
 		b, _ := json.Marshal(NewFailure(err.Error()))
 		http.Error(w, string(b), http.StatusBadRequest)
 		return
 	}
-	games.Lock()
-	g, ok := games.m[key]
-	defer games.Unlock()
+	c.Games.Lock()
+	g, ok := c.Games.M[key]
+	defer c.Games.Unlock()
 	if !ok {
 		http.NotFound(w, req)
 		return
@@ -197,15 +205,15 @@ func stopGame(w http.ResponseWriter, req *http.Request) {
 	}
 }
 
-func killServer(w http.ResponseWriter, req *http.Request) {
-	if *profile != "" {
+func (c *Controller) KillServer(w http.ResponseWriter, req *http.Request) {
+	if c.Profile != "" {
 		log.Print("trying to stop cpu profile")
 		pprof.StopCPUProfile()
 		log.Print("stopped cpu profile")
 	}
-	if *mprofile != "" {
+	if c.Memprofile != "" {
 		log.Print("trying to dump memory profile")
-		f, err := os.Create(*mprofile)
+		f, err := os.Create(c.Memprofile)
 		if err != nil {
 			log.Fatal(err)
 		}
@@ -216,7 +224,7 @@ func killServer(w http.ResponseWriter, req *http.Request) {
 	log.Fatal("shit got fucked up")
 }
 
-func index(w http.ResponseWriter, req *http.Request) {
+func (c *Controller) Index(w http.ResponseWriter, req *http.Request) {
 	log.Println("version requested")
 	version := struct {
 		Version string `json:"version"`
@@ -230,7 +238,7 @@ func index(w http.ResponseWriter, req *http.Request) {
 	}
 }
 
-func getGameId(path string) (string, error) {
+func (c *Controller) getGameId(path string) (string, error) {
 	var err error
 	trimmed := strings.Trim(path, "/")
 	fullPath := strings.Split(trimmed, "/")

deathmatch.go

@@ -1,4 +1,4 @@
-package main
+package botserv
 
 import (
 	"log"
@@ -7,10 +7,10 @@ import (
 type deathmatch struct {
 }
 
-func (g *deathmatch) setup(gg *game) {
+func (g *deathmatch) setup(gg *Game) {
 }
 
-func (g *deathmatch) gameOver(gg *game) (bool, *GameOver) {
+func (g *deathmatch) gameOver(gg *Game) (bool, *GameOver) {
 	over := false
 	var stats *GameOver
 
@@ -41,5 +41,5 @@ func (g *deathmatch) gameOver(gg *game) (bool, *GameOver) {
 	return over, stats
 }
 
-func (g *deathmatch) tick(gg *game, payload *Boardstate) {
+func (g *deathmatch) tick(gg *Game, payload *Boardstate) {
 }

game.go

@@ -1,4 +1,4 @@
-package main
+package botserv
 
 // delete me
 
@@ -24,23 +24,23 @@ type Scanner struct {
 }
 
 type MapLock struct {
-	m map[string]*game
+	M map[string]*Game
 	sync.RWMutex
 }
 
 // get is a function that returns a game if found, and creates one if
 // not found and force is true. In order to get a hash (rather than use
 // the string you pass) send "" for id.
-func (ml *MapLock) get(id string) *game {
+func (ml *MapLock) get(id string) *Game {
 	ml.Lock()
-	g, _ := ml.m[id]
+	g, _ := ml.M[id]
 	ml.Unlock()
 	return g
 }
 
-func (ml *MapLock) add(g *game) {
+func (ml *MapLock) add(g *Game) {
 	ml.Lock()
-	ml.m[g.id] = g
+	ml.M[g.id] = g
 	ml.Unlock()
 }
 
@@ -64,7 +64,7 @@ type GameStats struct {
 	sync.RWMutex
 }
 
-type game struct {
+type Game struct {
 	id                string
 	players           map[*player]bool
 	projectiles       map[*Projectile]bool
@@ -87,15 +87,18 @@ type game struct {
 	stats             GameStats
 	mode              GameMode
 	bw                *bandwidth.Bandwidth
+	Conf              Config
+	Games             *MapLock
+	Verbose           bool
 }
 
 type GameMode interface {
-	setup(g *game)
-	tick(gg *game, payload *Boardstate)
-	gameOver(gg *game) (bool, *GameOver)
+	setup(g *Game)
+	tick(gg *Game, payload *Boardstate)
+	gameOver(gg *Game) (bool, *GameOver)
 }
 
-func NewGame(id string, width, height float32, obstacles, tick, maxPoints int, mode string) (*game, error) {
+func NewGame(id string, width, height float32, obstacles, tick, maxPoints int, mode string) (*Game, error) {
 	bw, err := bandwidth.NewBandwidth(
 		[]int{1, 10, 60},
 		1*time.Second,
@@ -105,7 +108,7 @@ func NewGame(id string, width, height float32, obstacles, tick, maxPoints int, m
 		return nil, err
 	}
 	go bw.Run()
-	g := &game{
+	g := &Game{
 		id:                id,
 		register:          make(chan *player, maxPlayer),
 		unregister:        make(chan *player, maxPlayer),
@@ -141,7 +144,7 @@ func NewGame(id string, width, height float32, obstacles, tick, maxPoints int, m
 	return g, nil
 }
 
-func (g *game) tick(payload *Boardstate) {
+func (g *Game) tick(payload *Boardstate) {
 	g.players_remaining = 0
 	payload.Objects = MinifyObstacles(g.obstacles)
 
@@ -196,7 +199,7 @@ func (g *game) tick(payload *Boardstate) {
 	}
 }
 
-func (g *game) sendUpdate(payload *Boardstate) {
+func (g *Game) sendUpdate(payload *Boardstate) {
 	// Ensure that the robots are always sent in a consistent order
 	sort.Sort(RobotSorter{Robots: payload.OtherRobots})
 	sort.Sort(AllRobotSorter{Robots: payload.AllBots})
@@ -292,20 +295,20 @@ func (g *game) sendUpdate(payload *Boardstate) {
 
 }
 
-func (g *game) run() {
+func (g *Game) run() {
 	var t0, t1 time.Time
-	ticker := time.NewTicker(time.Duration(conf.Tick) * time.Millisecond)
+	ticker := time.NewTicker(time.Duration(g.Conf.Tick) * time.Millisecond)
 	for {
 		select {
 		case <-g.kill:
 			log.Printf("game %s: received kill signal, dying gracefully", g.id)
 			close(g.bw.Quit)
-			games.Lock()
+			g.Games.Lock()
 			for player := range g.players {
 				close(player.send)
 			}
-			delete(games.m, g.id)
-			games.Unlock()
+			delete(g.Games.M, g.id)
+			g.Games.Unlock()
 			return
 		case p := <-g.register:
 			g.players[p] = true
@@ -330,7 +333,7 @@ func (g *game) run() {
 
 			g.turn++
 			payload.Turn = g.turn
-			if *verbose {
+			if g.Verbose {
 				log.Printf("\033[2JTurn: %v", g.turn)
 				log.Printf("Players: %v", len(g.players))
 				log.Printf("Projectiles: %v", len(g.projectiles))
@@ -346,7 +349,7 @@ func (g *game) run() {
 			g.mode.tick(g, payload)
 
 			t1 = time.Now()
-			if *verbose {
+			if g.Verbose {
 				log.Printf("Turn Processes %v\n", t1.Sub(t0))
 			}
 
@@ -354,14 +357,14 @@ func (g *game) run() {
 			g.sendUpdate(payload)
 
 			t1 = time.Now()
-			if *verbose {
+			if g.Verbose {
 				log.Printf("Sent Payload %v\n", t1.Sub(t0))
 			}
 		}
 	}
 }
 
-func (g *game) sendGameOver(eg *GameOver) {
+func (g *Game) sendGameOver(eg *GameOver) {
 	log.Printf("sending out game over message: %+v", eg)
 	for p := range g.players {
 		p.send <- eg
@@ -373,7 +376,7 @@ func (g *game) sendGameOver(eg *GameOver) {
 
 // returns a GameParam object popuplated by info from the game. This is
 // used during client/server initial negociation.
-func (g *game) gameParam() *GameParam {
+func (g *Game) gameParam() *GameParam {
 	return &GameParam{
 		BoardSize: BoardSize{
 			Width:  g.width,

id.go

@@ -1,4 +1,4 @@
-package main
+package botserv
 
 import (
 	"crypto/md5"

id_test.go

@@ -1,4 +1,4 @@
-package main
+package botserv
 
 import (
 	"testing"

melee.go

@@ -1,4 +1,4 @@
-package main
+package botserv
 
 import (
 	"log"
@@ -9,15 +9,15 @@ type melee struct {
 	respawn_timer float64
 }
 
-func (g *melee) setup(gg *game) {
+func (g *melee) setup(gg *Game) {
 	g.respawn_timer = 5000
 }
 
-func (g *melee) gameOver(gg *game) (bool, *GameOver) {
+func (g *melee) gameOver(gg *Game) (bool, *GameOver) {
 	return false, &GameOver{}
 }
 
-func (g *melee) tick(gg *game, payload *Boardstate) {
+func (g *melee) tick(gg *Game, payload *Boardstate) {
 	for p := range gg.players {
 		for _, r := range p.Robots {
 			_, ok := g.respawn[r]

obstacle.go

@@ -1,9 +1,10 @@
-package main
+package botserv
 
 import (
-	v "bitbucket.org/hackerbots/vector"
 	"math"
 	"math/rand"
+
+	v "bitbucket.org/hackerbots/vector"
 )
 
 type Obstacle struct {

player.go

@@ -1,4 +1,4 @@
-package main
+package botserv
 
 import (
 	"encoding/gob"

projectile.go

@@ -1,8 +1,9 @@
-package main
+package botserv
 
 import (
-	v "bitbucket.org/hackerbots/vector"
 	"log"
+
+	v "bitbucket.org/hackerbots/vector"
 )
 
 type Projectile struct {
@@ -13,12 +14,13 @@ type Projectile struct {
 	Speed    float32   `json:"-"`
 	Damage   int       `json:"-"`
 	Owner    *Robot    `json:"-"`
+	Delta    float32
 }
 
-func (p *Projectile) Tick(g *game) {
+func (p *Projectile) Tick(g *Game) {
 	vec := p.MoveTo.Sub(p.Position)
 	v_norm := vec.Normalize()
-	v_scaled := v_norm.Scale(p.Speed * delta)
+	v_scaled := v_norm.Scale(p.Speed * p.Delta)
 	newPos := p.Position.Add(v_scaled)
 
 	hit_player := false

protocol.go

@@ -1,4 +1,4 @@
-package main
+package botserv
 
 import (
 	"log"
@@ -143,7 +143,7 @@ func NewFailure(reason string) *Failure {
 	}
 }
 
-func addPlayer(ws *websocket.Conn) {
+func (c *Controller) AddPlayer(ws *websocket.Conn) {
 	var gid GameID
 	err := websocket.JSON.Receive(ws, &gid)
 	if err != nil {
@@ -151,16 +151,16 @@ func addPlayer(ws *websocket.Conn) {
 		return
 	}
 
-	game := games.get(gid.Id)
+	game := c.Games.get(gid.Id)
 	if game == nil {
 		var err error
 		game, err = NewGame(
 			gid.Id,
-			float32(conf.Width),
-			float32(conf.Height),
-			conf.Obstacles,
-			conf.Tick,
-			conf.MaxPoints,
+			float32(c.Conf.Width),
+			float32(c.Conf.Height),
+			c.Conf.Obstacles,
+			c.Conf.Tick,
+			c.Conf.MaxPoints,
 			"",
 		)
 		if err != nil {
@@ -169,10 +169,10 @@ func addPlayer(ws *websocket.Conn) {
 			return
 		}
 		go game.run()
-		games.add(game)
+		c.Games.add(game)
 	}
 
-	player_id := idg.Hash()
+	player_id := c.Idg.Hash()
 	err = websocket.JSON.Send(ws, NewPlayerID(player_id))
 	if err != nil {
 		log.Printf("game %s: unable to send player_id to player %s", gid.Id, player_id)
@@ -284,7 +284,7 @@ encodingLoops:
 			convertedStats[name] = dstat
 			r := Robot{
 				Stats:    dstat,
-				Id:       idg.Hash(),
+				Id:       c.Idg.Hash(),
 				Name:     name,
 				Health:   10,
 				Heading:  v.Vector2d{1, 0},

robot.go

@@ -1,10 +1,11 @@
-package main
+package botserv
 
 import (
-	v "bitbucket.org/hackerbots/vector"
 	"log"
 	"math"
 	"math/rand"
+
+	v "bitbucket.org/hackerbots/vector"
 )
 
 type Robot struct {
@@ -30,6 +31,8 @@ type Robot struct {
 	Probe          *v.Point2d  `json:"probe"`
 	ProbeResult    *Collision  `json:"probe_result"`
 	gameStats      *BotStats   `json:-`
+	Delta          float32     `json:-`
+	Idg            *IdGenerator
 }
 
 type Collision struct {
@@ -172,7 +175,7 @@ type Instruction struct {
 
 // returns collision, the intersection point, and the robot with whom r has
 // collided, if this happened.
-func (r *Robot) checkCollisions(g *game, probe v.Vector2d) (bool, *v.Point2d, *Robot) {
+func (r *Robot) checkCollisions(g *Game, probe v.Vector2d) (bool, *v.Point2d, *Robot) {
 	finalCollision := false
 	collision := false
 	closest := float32(math.Inf(1))
@@ -243,19 +246,19 @@ func (r *Robot) checkCollisions(g *game, probe v.Vector2d) (bool, *v.Point2d, *R
 	return finalCollision, intersection, finalRobot
 }
 
-func (r *Robot) Tick(g *game) {
+func (r *Robot) Tick(g *Game) {
 	r.Collision = nil
 	r.Hit = false
 	r.scan(g)
 
 	// Adjust Speed
 	if r.Speed < r.TargetSpeed {
-		r.Speed += (r.Stats.Acceleration * delta)
+		r.Speed += (r.Stats.Acceleration * r.Delta)
 		if r.Speed > r.TargetSpeed {
 			r.Speed = r.TargetSpeed
 		}
 	} else if float32(math.Abs(float64(r.Speed-r.TargetSpeed))) > v.Epsilon {
-		r.Speed -= (r.Stats.Acceleration * delta)
+		r.Speed -= (r.Stats.Acceleration * r.Delta)
 		// Cap reverse to 1/2 speed
 		if r.Speed < (-0.5 * r.TargetSpeed) {
 			r.Speed = (-0.5 * r.TargetSpeed)
@@ -292,15 +295,15 @@ func (r *Robot) Tick(g *game) {
 		}
 
 		// Max turn radius in this case is in degrees per second
-		if float32(math.Abs(float64(angle))) > (float32(r.Stats.TurnSpeed) * delta) {
+		if float32(math.Abs(float64(angle))) > (float32(r.Stats.TurnSpeed) * r.Delta) {
 			// New heading should be a little less, take current heading and
 			// rotate by the max turn radius per frame.
-			rot := (float32(r.Stats.TurnSpeed) * delta) * v.Deg2rad
+			rot := (float32(r.Stats.TurnSpeed) * r.Delta) * v.Deg2rad
 
 			new_heading = current_heading.Rotate(rot * float32(dir))
 		}
 
-		move_vector := new_heading.Scale(r.Speed * delta)
+		move_vector := new_heading.Scale(r.Speed * r.Delta)
 		collision, intersection_point, hit_robot := r.checkCollisions(g, move_vector)
 		if collision {
 			dmg := int(math.Abs(float64(r.Speed)) / 10.0)
@@ -352,7 +355,7 @@ func (r *Robot) Tick(g *game) {
 
 	// We only self repair when we're stopped
 	if math.Abs(float64(r.Speed)) < v.Epsilon && r.RepairCounter > 0 {
-		r.RepairCounter -= delta
+		r.RepairCounter -= r.Delta
 		if r.RepairCounter < 0 {
 			r.Health += g.repair_hp
 			if r.Health > r.Stats.Hp {
@@ -364,9 +367,9 @@ func (r *Robot) Tick(g *game) {
 
 	// We are only allowed to scan when we're stopped
 	if math.Abs(float64(r.Speed)) < v.Epsilon && r.ActiveScan {
-		r.ScanCounter += delta * float32(r.Stats.ScannerRadius) * 0.1
+		r.ScanCounter += r.Delta * float32(r.Stats.ScannerRadius) * 0.1
 	} else if r.ScanCounter > 0 {
-		r.ScanCounter -= delta * float32(r.Stats.ScannerRadius) * 0.05
+		r.ScanCounter -= r.Delta * float32(r.Stats.ScannerRadius) * 0.05
 		if r.ScanCounter <= 0 {
 			r.ScanCounter = 0
 		}
@@ -394,7 +397,7 @@ func (r *Robot) Tick(g *game) {
 	}
 }
 
-func (r *Robot) scan(g *game) {
+func (r *Robot) scan(g *Game) {
 	r.Scanners = r.Scanners[:0]
 	for player := range g.players {
 		for _, bot := range player.Robots {
@@ -440,9 +443,9 @@ func (r *Robot) scan(g *game) {
 
 }
 
-func (r *Robot) fire(g *game) *Projectile {
+func (r *Robot) fire(g *Game) *Projectile {
 	// Throttle the fire rate
-	time_since_fired := (float32(g.turn) * (delta * 1000)) - (float32(r.LastFired) * (delta * 1000))
+	time_since_fired := (float32(g.turn) * (r.Delta * 1000)) - (float32(r.LastFired) * (r.Delta * 1000))
 	if time_since_fired < float32(r.Stats.FireRate) {
 		return nil
 	}
@@ -451,7 +454,7 @@ func (r *Robot) fire(g *game) *Projectile {
 	r.gameStats.Shots++
 
 	return &Projectile{
-		Id:       idg.Hash(),
+		Id:       r.Idg.Hash(),
 		Position: r.Position,
 		MoveTo:   *r.FireAt,
 		Damage:   r.Stats.WeaponDamage,
@@ -461,7 +464,7 @@ func (r *Robot) fire(g *game) *Projectile {
 	}
 }
 
-func (r *Robot) reset(g *game) {
+func (r *Robot) reset(g *Game) {
 	for {
 		start_pos := v.Point2d{
 			X: rand.Float32() * float32(g.width),

robot_test.go

@@ -1,10 +1,11 @@
-package main
+package botserv
 
 import (
-	v "bitbucket.org/hackerbots/vector"
 	"log"
 	"math"
 	"testing"
+
+	v "bitbucket.org/hackerbots/vector"
 )
 
 func init() {

splosion.go

@@ -1,4 +1,4 @@
-package main
+package botserv
 
 import (
 	v "bitbucket.org/hackerbots/vector"