added gameover packet

game.go

@@ -14,30 +14,6 @@ type BotHealth struct {
 	Health  int    `json:"health"`
 }
 
-type Boardstate struct {
-	MyRobots    []Robot      `json:"my_robots"`
-	OtherRobots []OtherRobot `json:"robots"`
-	Projectiles []Projectile `json:"projectiles"`
-	Splosions   []Splosion   `json:"splosions"`
-	Obstacles   []Obstacle   `json:"obj"`
-	Reset       bool         `json:"reset"`
-	Type        string       `json:"type"`
-	Turn        int          `json:"turn"`
-	AllBots     []BotHealth  `json:"all_bots"`
-	Messages    []string     `json:"messages"`
-}
-
-func NewBoardstate() *Boardstate {
-	return &Boardstate{
-		MyRobots:    []Robot{},
-		OtherRobots: []OtherRobot{},
-		Projectiles: []Projectile{},
-		Splosions:   []Splosion{},
-		AllBots:     []BotHealth{},
-		Type:        "boardstate",
-	}
-}
-
 type Scanner struct {
 	Id   string `json:"id"`
 	Type string `json:"type"`
@@ -73,6 +49,7 @@ type game struct {
 	register          chan *player
 	unregister        chan *player
 	turn              int
+	players_remaining int
 	width, height     float32
 	spectators        map[*Spectator]bool
 	sregister         chan *Spectator
@@ -106,10 +83,8 @@ func NewGame(id string, width, height float32, tick int) *game {
 	return g
 }
 
-func (g *game) tick(payload *Boardstate) int {
-	robots_remaining := 0
-	players_remaining := 0
-
+func (g *game) tick(payload *Boardstate) {
+	g.players_remaining = 0
 	payload.Obstacles = g.obstacles
 
 	// Update Players
@@ -139,8 +114,7 @@ func (g *game) tick(payload *Boardstate) int {
 		}
 
 		if living_robots > 0 {
-			players_remaining++
-			robots_remaining += living_robots
+			g.players_remaining++
 		}
 	}
 
@@ -162,8 +136,6 @@ func (g *game) tick(payload *Boardstate) int {
 		}
 		payload.Splosions = append(payload.Splosions, *s)
 	}
-
-	return players_remaining
 }
 
 func (g *game) sendUpdate(payload *Boardstate) {
@@ -180,7 +152,6 @@ func (g *game) sendUpdate(payload *Boardstate) {
 		player_payload.Obstacles = payload.Obstacles
 		player_payload.AllBots = payload.AllBots
 		player_payload.Turn = payload.Turn
-		player_payload.Reset = payload.Reset
 		for _, r := range p.Robots {
 			player_payload.MyRobots = append(player_payload.MyRobots, *r)
 			player_payload.OtherRobots = append(
@@ -289,25 +260,11 @@ func (g *game) run() {
 			}
 
 			// UPDATE GAME STATE
-			players_remaining := g.tick(payload)
+			if end, data := g.gameOver(); end {
+				g.sendGameOver(data)
+			}
 
-			// Determine end game?
-			if players_remaining <= 1 && len(g.players) > 1 {
-				g.obstacles = GenerateObstacles(5, g.width, g.height)
-				log.Printf("game %s: game over", g.id)
-
-				for p := range g.players {
-					for _, r := range p.Robots {
-						if r.Health > 0 {
-							log.Printf("Robot %v Survived", r.Id)
-						}
-						r.reset(g)
-					}
-				}
-				payload.Reset = true
-			} else {
-				payload.Reset = false
-			}
+			g.tick(payload)
 
 			t1 = time.Now()
 			if *verbose {
@@ -324,3 +281,34 @@ func (g *game) run() {
 		}
 	}
 }
+
+func (g *game) gameOver() (bool, *GameOver) {
+	over := false
+	stats := NewGameOver()
+
+	if g.players_remaining <= 1 && len(g.players) > 1 {
+		g.obstacles = GenerateObstacles(conf.Obstacles, g.width, g.height)
+		log.Printf("game %s: game over", g.id)
+
+		for p := range g.players {
+			for _, r := range p.Robots {
+				if r.Health > 0 {
+					log.Printf("Robot %v Survived", r.Id)
+				}
+				r.reset(g)
+			}
+		}
+		over = true
+	}
+	return over, stats
+}
+
+func (g *game) sendGameOver(eg *GameOver) {
+	log.Printf("sending out game over message: %+v", eg)
+	for p := range g.players {
+		p.send <- eg
+	}
+	for s := range g.spectators {
+		s.send <- eg
+	}
+}

player.go

@@ -8,13 +8,13 @@ import (
 type player struct {
 	ws          *websocket.Conn
 	Robots      []*Robot
-	send        chan *Boardstate
+	send        chan Message
 	Instruction Instruction
 }
 
 func (p *player) sender() {
 	for things := range p.send {
-		err := websocket.JSON.Send(p.ws, *things)
+		err := websocket.JSON.Send(p.ws, things)
 		if err != nil {
 			break
 		}

protocol.go

@@ -101,6 +101,42 @@ func NewHandshake(id string, success bool) *Handshake {
 	}
 }
 
+type Message interface {
+}
+
+type Boardstate struct {
+	MyRobots    []Robot      `json:"my_robots"`
+	OtherRobots []OtherRobot `json:"robots"`
+	Projectiles []Projectile `json:"projectiles"`
+	Splosions   []Splosion   `json:"splosions"`
+	Obstacles   []Obstacle   `json:"obj"`
+	Type        string       `json:"type"`
+	Turn        int          `json:"turn"`
+	AllBots     []BotHealth  `json:"all_bots"`
+	Messages    []string     `json:"messages"`
+}
+
+func NewBoardstate() *Boardstate {
+	return &Boardstate{
+		MyRobots:    []Robot{},
+		OtherRobots: []OtherRobot{},
+		Projectiles: []Projectile{},
+		Splosions:   []Splosion{},
+		AllBots:     []BotHealth{},
+		Type:        "boardstate",
+	}
+}
+
+type GameOver struct {
+	Type string `json:"type"`
+}
+
+func NewGameOver() *GameOver {
+	return &GameOver{
+		Type: "gameover",
+	}
+}
+
 type Failure struct {
 	Reason string `json:"reason"`
 	Type   string `json:"type"`
@@ -199,7 +235,7 @@ func addPlayer(ws *websocket.Conn) {
 
 		p := &player{
 			Robots: []*Robot{},
-			send:   make(chan *Boardstate),
+			send:   make(chan Message),
 			ws:     ws,
 		}
 
@@ -226,7 +262,7 @@ func addPlayer(ws *websocket.Conn) {
 		log.Printf("game %s: player %v has been disconnected from this game\n", gid.Id, p.Robots[0].Id)
 	case "spectator":
 		s := &Spectator{
-			send: make(chan *Boardstate),
+			send: make(chan Message),
 			ws:   ws,
 		}
 		game.sregister <- s

spectator.go

@@ -7,12 +7,12 @@ import (
 
 type Spectator struct {
 	ws   *websocket.Conn
-	send chan *Boardstate
+	send chan Message
 }
 
 func (s *Spectator) sender() {
 	for things := range s.send {
-		err := websocket.JSON.Send(s.ws, *things)
+		err := websocket.JSON.Send(s.ws, things)
 		if err != nil {
 			break
 		}