client/cmd/botspectate/main.go

package main

import (
	"flag"
	"fmt"
	"math/rand"
	"os"
	"time"

	"hackerbots.us/client"
)

var addr = flag.String("addr", "ws://localhost:8666", "server hostname")
var forceJSON = flag.Bool("json", false, "force json encoding")

func main() {
	rand.Seed(time.Now().UnixNano())
	var gameID string
	flag.Parse()
	if flag.NArg() < 1 {
		gameID = "debug"
	} else {
		gameID = flag.Arg(0)
	}

	c := &client.Client{
		Server:    *addr,
		Name:      "bspect",
		GameId:    gameID,
		ForceJSON: *forceJSON,
	}
	var err error
	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)
	}

	ui := client.NewSpectator(c.Width, c.Height)
	c.Player = ui

	go func() {
		if ui.User == nil {
			return
		}
		for e := range ui.User {
			fmt.Printf("%+v\n", e)
		}
	}()

	go func() {
		if err := c.Play(); err != nil {
			close(ui.Die)
		}
	}()
	if err := ui.Spectate(); err != nil {
		fmt.Fprintf(os.Stderr, "problem during visualization: %+v\n", err)
		os.Exit(1)
	}
}