initial implementation, no gameplay, but working handshake

main.go

@@ -0,0 +1,121 @@
+package main
+
+import (
+	"bitbucket.org/hackerbots/bot"
+	"code.google.com/p/go.net/websocket"
+	"encoding/json"
+	"errors"
+	"flag"
+	"fmt"
+	"log"
+	"net/http"
+)
+
+
+func connect() (*websocket.Conn, error) {
+	origin := "http://localhost/"
+	url := "ws://localhost:8666/ws/"
+	return websocket.Dial(url, "", origin)
+}
+
+func createGame() (string, error) {
+	resp, err := http.Get("http://localhost:8666/game/start/")
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	var g struct {
+        Id string `json:"id"`
+    }
+	if err := json.NewDecoder(resp.Body).Decode(&g); err != nil {
+		return "", err
+	}
+	return g.Id, err
+}
+
+func negociate(ws *websocket.Conn, gameid string) (err error) {
+	log.Printf("trying to connect to game %s", gameid)
+	err = websocket.JSON.Send(ws, bot.GameID{
+		gameid,
+	})
+	if err != nil {
+		return err
+	}
+
+	var idreq bot.IdRequest
+	err = websocket.JSON.Receive(ws, &idreq)
+	if err != nil || idreq.Type == "failure" {
+		return errors.New(fmt.Sprintf("failure: %+v", idreq))
+	}
+	log.Printf("%+v", idreq)
+
+	err = websocket.JSON.Send(ws, bot.ClientID{
+		Name:      "smcquay test robot 2",
+		Useragent: "gobot",
+		Type:      "robot",
+	})
+	if err != nil {
+		return err
+	}
+
+	var gameparam bot.GameParam
+	err = websocket.JSON.Receive(ws, &gameparam)
+	log.Printf("gameparam: %+v", gameparam)
+	if gameparam.Type != "gameparam" {
+		return errors.New("didn't receive a good gameparam")
+	}
+	log.Printf("%+v", gameparam)
+
+	err = websocket.JSON.Send(ws, &bot.Config{
+		gameid,
+		bot.Stats{
+            // TODO: make these flags
+			Hp:            200,
+			Speed:         100,
+			WeaponRadius:  50,
+			ScannerRadius: 50,
+		},
+	})
+
+	var handshake bot.Handshake
+	websocket.JSON.Receive(ws, &handshake)
+	if !handshake.Success {
+		return errors.New("failed to validate correct stats request")
+	}
+	log.Printf("%+v", handshake)
+	return err
+}
+
+func main() {
+	var err error
+	var gameid string
+	flag.Parse()
+	if flag.NArg() < 1 {
+		gameid, err = createGame()
+		if err != nil {
+			log.Fatal(err)
+		}
+	} else {
+		gameid = flag.Arg(0)
+	}
+
+	ws, err := connect()
+	if err != nil {
+		log.Fatal(err)
+	}
+	if err = negociate(ws, gameid); err != nil {
+		log.Fatal(err)
+	}
+
+	for {
+		var boardstate bot.Boardstate
+		err = websocket.JSON.Receive(ws, &boardstate)
+		if err != nil {
+			log.Fatal("Connection lost")
+		}
+		// log.Printf("%+v", boardstate)
+		// TODO: logic
+		// TODO: send instructions
+	}
+}