// GetNextEvent returns the next sdl.Event depending on the eventMode
func (g *GameManager) GetNextEvent() sdl.Event {
switch g.eventMode {
case GameManagerEventDriven:
return sdl.WaitEvent()
case GameManagerEventTimeoutDriven:
return sdl.WaitEventTimeout(g.EventTimeout)
case GameManagerPollDriven:
return sdl.PollEvent()
}
panic(fmt.Sprintf("GetNextEvent: unknown event mode: %d", g.eventMode))
}
func main() {
var window *sdl.Window
var renderer *sdl.Renderer
var event sdl.Event
var running bool
window = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
winWidth, winHeight, sdl.WINDOW_SHOWN)
if window == nil {
fmt.Fprintf(os.Stderr, "Failed to create window: %s\n", sdl.GetError())
os.Exit(1)
}
renderer = sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
if renderer == nil {
fmt.Fprintf(os.Stderr, "Failed to create renderer: %s\n", sdl.GetError())
os.Exit(2)
}
running = true
for running {
event = sdl.WaitEventTimeout(1000) // wait here until an event is in the event queue
if event == nil {
fmt.Println("WaitEventTimeout timed out")
continue
}
switch t := event.(type) {
case *sdl.QuitEvent:
running = false
case *sdl.MouseMotionEvent:
fmt.Printf("[%d ms] MouseMotion\ttype:%d\tid:%d\tx:%d\ty:%d\txrel:%d\tyrel:%d\n",
t.Timestamp, t.Type, t.Which, t.X, t.Y, t.XRel, t.YRel)
case *sdl.MouseButtonEvent:
fmt.Printf("[%d ms] MouseButton\ttype:%d\tid:%d\tx:%d\ty:%d\tbutton:%d\tstate:%d\n",
t.Timestamp, t.Type, t.Which, t.X, t.Y, t.Button, t.State)
case *sdl.MouseWheelEvent:
fmt.Printf("[%d ms] MouseWheel\ttype:%d\tid:%d\tx:%d\ty:%d\n",
t.Timestamp, t.Type, t.Which, t.X, t.Y)
case *sdl.KeyUpEvent:
fmt.Printf("[%d ms] Keyboard\ttype:%d\tsym:%c\tmodifiers:%d\tstate:%d\trepeat:%d\n",
t.Timestamp, t.Type, t.Keysym.Sym, t.Keysym.Mod, t.State, t.Repeat)
}
}
renderer.Destroy()
window.Destroy()
}