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114 lines
2.9 KiB
Go
114 lines
2.9 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"log"
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"math/rand"
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"net"
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"os"
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"time"
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)
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var options struct {
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bombSpeed float64
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debug bool
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economic int
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frameRate int
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frameLength time.Duration
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lightSpeed float64
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moneyMean float64
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moneySigma float64
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playerSpeed float64
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respawnTime time.Duration
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respawnFrames int64
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speckPath string
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}
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var (
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info_log *log.Logger
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error_log *log.Logger
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currentGame *Game
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)
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func log_error(template string, args ...interface{}) {
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error_log.Printf(template, args...)
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}
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func log_info(template string, args ...interface{}) {
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info_log.Printf(template, args...)
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}
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func bail(status int, template string, args ...interface{}) {
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if status == 0 {
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fmt.Fprintf(os.Stdout, template, args...)
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} else {
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fmt.Fprintf(os.Stderr, template, args...)
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}
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os.Exit(status)
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}
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func handleConnection(conn *Connection) {
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defer conn.Close()
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conn.Login()
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c := make(chan []string)
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go conn.ReadLines(c)
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for parts := range c {
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conn.RunCommand(parts[0], parts[1:]...)
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}
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}
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// converts a duration in human time to a number of in-game frames
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func durToFrames(dur time.Duration) int64 {
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return int64(dur / options.frameLength)
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}
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func main() {
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flag.Parse()
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dbconnect()
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options.frameLength = time.Second / time.Duration(options.frameRate)
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options.respawnFrames = durToFrames(options.respawnTime)
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rand.Seed(time.Now().UnixNano())
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info_log = log.New(os.Stdout, "[INFO] ", 0)
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error_log = log.New(os.Stderr, "[ERROR] ", 0)
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setupDb()
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listener, err := net.Listen("tcp", ":9220")
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if err != nil {
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bail(E_No_Port, "unable to start server: %v", err)
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}
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go func() {
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for {
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log_info("starting new game")
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currentGame = NewGame()
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currentGame.Run()
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}
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}()
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for {
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conn, err := listener.Accept()
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if err != nil {
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log_error("error accepting connection: %v", err)
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continue
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}
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go handleConnection(NewConnection(conn))
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}
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}
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func init() {
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flag.Float64Var(&options.lightSpeed, "light-speed", 0.01, "speed of light in parsecs per frame")
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flag.IntVar(&options.frameRate, "frame-rate", 100, "frame rate, in frames per second")
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flag.Float64Var(&options.playerSpeed, "player-speed", 0.8, "player travel speed, relative to C, the speed of light")
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flag.Float64Var(&options.bombSpeed, "bomb-speed", 0.9, "bomb travel speed, relattive to C, the speed of light")
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flag.IntVar(&options.economic, "economic", 25000, "amount of money needed to win economic victory")
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flag.Float64Var(&options.moneyMean, "money-mean", 10000, "mean amount of money on a system")
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flag.Float64Var(&options.moneySigma, "money-sigma", 1500, "standard deviation in money per system")
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flag.BoolVar(&options.debug, "debug", false, "puts the game in debug mode")
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flag.StringVar(&options.speckPath, "speck-path", "/projects/exo/expl.speck", "path to exoplanet speck file")
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flag.DurationVar(&options.respawnTime, "respawn-time", 60*time.Second, "time for player respawn")
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}
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