allow the control interface to specify game type

config.go

@@ -18,15 +18,17 @@ type Config struct {
 	Height    int     `json:"height"`
 	Obstacles int     `json:"obstacles"`
 	MaxPoints int     `json:"max_points"`
+	Mode      string  `json:"mode"`
 }
 
 const (
-	TICK       = 60
-	TIMESCALE  = 1.0
-	WIDTH      = 800
-	HEIGHT     = 550
-	OBSTACLES  = 5
-	MAX_POINTS = 500 // allowing for 50 pts in every category
+	TICK         = 60
+	TIMESCALE    = 1.0
+	WIDTH        = 800
+	HEIGHT       = 550
+	OBSTACLES    = 5
+	MAX_POINTS   = 500 // allowing for 50 pts in every category
+	DEFAULT_MODE = "deathmatch"
 )
 
 func loadConfig(filename string) (Config, error) {
@@ -37,6 +39,7 @@ func loadConfig(filename string) (Config, error) {
 		Height:    HEIGHT,
 		Obstacles: OBSTACLES,
 		MaxPoints: MAX_POINTS,
+		Mode:      DEFAULT_MODE,
 	}
 	u, err := user.Current()
 	if err != nil {

control.go

@@ -24,8 +24,8 @@ func startGame(w http.ResponseWriter, req *http.Request) {
 	requested_game_name := idg.Hash()
 	width, height := float32(conf.Width), float32(conf.Height)
 	obstacles := 0
-	tick := conf.Tick
 	maxPoints := conf.MaxPoints
+	mode := "deathmatch"
 
 	// here we determine if we are going to run with defaults or pick them off
 	// a posted json blob
@@ -50,14 +50,14 @@ func startGame(w http.ResponseWriter, req *http.Request) {
 		width = float32(cfg.Width)
 		height = float32(cfg.Height)
 		obstacles = cfg.Obstacles
-		tick = cfg.Tick
 		maxPoints = cfg.MaxPoints
+		mode = cfg.Mode
 	}
 
 	g := games.get(requested_game_name)
 	if g == nil {
 		log.Printf("Game '%s' non-existant; making it now", requested_game_name)
-		g = NewGame(requested_game_name, width, height, obstacles, tick, maxPoints)
+		g = NewGame(requested_game_name, width, height, obstacles, conf.Tick, maxPoints, mode)
 		go g.run()
 		games.add(g)
 	} else {

game.go

@@ -75,7 +75,7 @@ type GameMode interface {
 	gameOver(gg *game) (bool, *GameOver)
 }
 
-func NewGame(id string, width, height float32, obstacles, tick, maxPoints int) *game {
+func NewGame(id string, width, height float32, obstacles, tick, maxPoints int, mode string) *game {
 	g := &game{
 		id:                id,
 		register:          make(chan *player),
@@ -98,7 +98,12 @@ func NewGame(id string, width, height float32, obstacles, tick, maxPoints int) *
 		tick_duration:     tick,
 		players_remaining: 2,
 		winners:           WinnerMap{m: make(map[string]int)},
-		mode:              &melee{respawn: make(map[*Robot]float64)},
+	}
+
+	if mode == "melee" {
+		g.mode = &melee{respawn: make(map[*Robot]float64)}
+	} else {
+		g.mode = &deathmatch{}
 	}
 
 	g.mode.setup(g)

protocol.go

@@ -167,6 +167,7 @@ func addPlayer(ws *websocket.Conn) {
 			conf.Obstacles,
 			conf.Tick,
 			conf.MaxPoints,
+			"",
 		)
 		go game.run()
 		games.add(game)