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urtrator/launcher/launcher_object.go

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// URTator - Urban Terror server browser and game launcher, written in
// Go.
//
// Copyright (c) 2016, Stanslav N. a.k.a pztrn (or p0z1tr0n)
// All rights reserved.
//
// Licensed under Terms and Conditions of GNU General Public License
// version 3 or any higher.
// ToDo: put full text of license here.
package launcher
import (
// stdlib
"errors"
"fmt"
"os"
"os/exec"
"strconv"
"strings"
// local
"github.com/pztrn/urtrator/datamodels"
// Github
"github.com/mattn/go-gtk/gtk"
)
type Launcher struct {
// Flags.
// Is Urban Terror launched ATM?
launched bool
}
func (l *Launcher) CheckForLaunchedUrbanTerror() error {
if l.launched {
mbox_string := "Game is launched.\n\nCannot quit, because game is launched.\nQuit Urban Terror to exit URTrator!"
m := gtk.NewMessageDialog(nil, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, mbox_string)
m.Response(func() {
m.Destroy()
})
m.Run()
return errors.New("User didn't select valid profile, mismatch with server's version.")
}
return nil
}
func (l *Launcher) findFreeDisplay() string {
current_display_raw := os.Getenv("DISPLAY")
current_display, _ := strconv.Atoi(strings.Split(current_display_raw, ":")[1])
current_display += 1
return strconv.Itoa(current_display)
}
func (l *Launcher) Initialize() {
fmt.Println("Initializing game launcher...")
}
func (l *Launcher) Launch(profile *datamodels.Profile, server string, password string, callback func()) {
// ToDo: only one instance of Urban Terror should be launched, so button
// should be disabled.
fmt.Println("Launching Urban Terror...")
done := make(chan bool, 1)
// Create launch string.
var launch_bin string = ""
launch_bin, err := exec.LookPath(profile.Binary)
if err != nil {
fmt.Println(err.Error())
}
var launch_params []string
if len(server) > 0 {
launch_params = append(launch_params, "+connect", server)
}
if len(password) > 0 {
launch_params = append(launch_params, "+password", password)
}
if len(profile.Additional_params) > 0 {
additional_params := strings.Split(profile.Additional_params, " ")
launch_params = append(launch_params, additional_params...)
}
if profile.Second_x_session == "1" {
fmt.Println(launch_params)
launch_params = append([]string{launch_bin}, launch_params...)
display := l.findFreeDisplay()
launch_bin, err = exec.LookPath("xinit")
if err != nil {
fmt.Println(err.Error())
}
launch_params = append(launch_params, "--", ":" + display)
}
fmt.Println(launch_params)
go func() {
go func() {
cmd := exec.Command(launch_bin, launch_params...)
out, err1 := cmd.Output()
if err1 != nil {
fmt.Println("Launch error: " + err1.Error())
}
fmt.Println(string(out))
done <- true
}()
select {
case <- done:
callback()
}
}()
}