public static SdlEventArgs[] Peek(EventMask event_mask, int number_of_events)
{
SdlSystem.SDL_Event[] events = new SdlSystem.SDL_Event[number_of_events];
SdlSystem.SDL_PumpEvents();
int ret = SdlSystem.SDL_PeepEvents(out events,
events.Length,
SdlSystem.SDL_eventaction.SDL_PEEKEVENT,
(uint)event_mask);
if (ret == (int)NativeFunctionReturnFlags.Error)
{
throw SdlException.Generate();
}
SdlEventArgs[] eventargs_array = new SdlEventArgs[ret];
for (int i = 0; i < eventargs_array.Length; ++i)
{
if (events[i].type == (byte)EventTypes.UserEvent)
{
eventargs_array[i] = __user_events[events[i].user.code.ToString()];
__user_events.Remove(events[i].user.code.ToString());
}
else
{
eventargs_array[i] = SdlEventArgs.CreateEventArgs(events[i]);
}
}
return(eventargs_array);
}
public static bool Poll(int number_of_events)
{
SdlSystem.SDL_Event e;
bool ret = false;
for (int i = 0; i < number_of_events; ++i)
{
int retval = SdlSystem.SDL_PollEvent(out e);
if (retval == (int)NativeFunctionReturnFlags.Error)
{
throw SdlException.Generate();
}
if (retval == (int)NativeFunctionReturnFlags.None)
{
ret = true;
break;
}
else
{
ProcessEvent(e);
}
}
return(ret);
}
public static void Wait()
{
SdlSystem.SDL_Event e;
if (SdlSystem.SDL_WaitEvent(out e) == (int)NativeFunctionReturnFlags.Error)
{
throw SdlException.Generate();
}
ProcessEvent(e);
}
public static void Remove(EventMask event_mask, int number_of_events)
{
SdlSystem.SDL_Event[] events = new SdlSystem.SDL_Event[number_of_events];
SdlSystem.SDL_PumpEvents();
int ret = SdlSystem.SDL_PeepEvents(out events,
events.Length,
SdlSystem.SDL_eventaction.SDL_GETEVENT,
(uint)event_mask);
if (ret == (int)NativeFunctionReturnFlags.Error)
{
throw SdlException.Generate();
}
}
/// <summary>
/// Initialize this instance.
/// </summary>
public static bool Initialize()
{
if (SdlSystem.SDL_WasInit(SdlSystem.SDL_INIT_TIMER) == (int)NativeFunctionReturnFlags.FalseValue)
{
if (SdlSystem.SDL_Init(SdlSystem.SDL_INIT_TIMER) == (int)NativeFunctionReturnFlags.Success)
{
return(true);
}
else
{
throw SdlException.Generate();
}
}
else
{
return(true);
}
}
public static bool Poll()
{
try {
SdlSystem.SDL_Event e;
int ret = SdlSystem.SDL_PollEvent(out e);
if (ret == (int)NativeFunctionReturnFlags.Error)
{
throw SdlException.Generate();
}
if (ret == (int)NativeFunctionReturnFlags.None)
{
return(false);
}
else
{
ProcessEvent(e);
return(true);
}
} catch (AccessViolationException) {
return(false);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Sdl.Core.SdlException"/> class.
/// </summary>
public SdlException()
{
throw SdlException.Generate();
}