func main() {
background := context.Background()
demo := NewDemo()
// initialize the room server and launch the discovery server.
config := &room.ServerConfig{
Room: clidemo.Room,
Bus: room.NewBus(background, demo),
Addr: room.BestAddr(),
}
if config.Addr == "" {
log.Printf("[WARN] Unable to locate a good address for binding")
}
server, err := StartServer(config)
if err != nil {
log.Printf("[FATAL] Unable to initialize server: %v", err)
os.Exit(1)
}
go RunDiscovery(background, server)
// interactive applications will have their main loop occupied drawing and
// handling events. here we just wait for forever for the server to
// terminate.
err = server.Wait()
if err != nil {
log.Printf("[FATAL] Server terminated: %v", err)
return
}
}
// ServerMain performs the main routine for the demo server.
func ServerMain(a app.App) {
background := context.Background()
remotePt = make(chan rexdemo.RemotePoint, 1)
demo = NewDemo()
// initialize the room server and launch the discovery server.
bestAddr := room.BestAddr()
if bestAddr != "" {
log.Printf("[WARN] Unable to locate a good address for binding")
}
config := &room.ServerConfig{
Room: rexdemo.Room,
Bus: room.NewBus(background, demo),
Addr: bestAddr,
}
server, err := StartServer(config)
if err != nil {
log.Printf("[FATAL] Unable to initialize server: %v", err)
os.Exit(1)
}
go func() {
err = server.Wait()
if err != nil {
log.Printf("[FATAL] Server terminated: %v", err)
return
}
}()
go RunDiscovery(background, server)
var glctx gl.Context
var sz size.Event
for e := range a.Events() {
select {
case pt := <-remotePt:
touchX = float32(pt.X * float64(sz.WidthPx))
touchY = float32(pt.Y * float64(sz.HeightPx))
default:
}
switch e := a.Filter(e).(type) {
case lifecycle.Event:
switch e.Crosses(lifecycle.StageVisible) {
case lifecycle.CrossOn:
glctx, _ = e.DrawContext.(gl.Context)
onStart(glctx)
a.Send(paint.Event{})
case lifecycle.CrossOff:
onStop(glctx)
glctx = nil
}
case size.Event:
sz = e
touchX = float32(sz.WidthPx / 2)
touchY = float32(sz.HeightPx / 2)
case paint.Event:
if glctx == nil || e.External {
// As we are actively painting as fast as
// we can (usually 60 FPS), skip any paint
// events sent by the system.
continue
}
onPaint(glctx, sz)
a.Publish()
// Drive the animation by preparing to paint the next frame
// after this one is shown.
a.Send(paint.Event{})
case touch.Event:
touchX = e.X
touchY = e.Y
}
}
}