private static IntPtr BuildVTable(Callback.Run run, List <GCHandle> allocations)
{
Callback.RunCall runCall = new Callback.RunCall(Callback.RunStub);
Callback.GetCallbackSizeBytes getCallbackSizeByte = new Callback.GetCallbackSizeBytes(Callback.SizeStub);
allocations.Add(GCHandle.Alloc(run));
allocations.Add(GCHandle.Alloc(runCall));
allocations.Add(GCHandle.Alloc(getCallbackSizeByte));
IntPtr functionPointerForDelegate = Marshal.GetFunctionPointerForDelegate <Callback.Run>(run);
IntPtr intPtr = Marshal.GetFunctionPointerForDelegate <Callback.RunCall>(runCall);
IntPtr functionPointerForDelegate1 = Marshal.GetFunctionPointerForDelegate <Callback.GetCallbackSizeBytes>(getCallbackSizeByte);
IntPtr intPtr1 = Marshal.AllocHGlobal(IntPtr.Size * 3);
if (Config.Os != OsType.Windows)
{
int size = IntPtr.Size;
Marshal.WriteIntPtr(intPtr1, 0, functionPointerForDelegate);
Marshal.WriteIntPtr(intPtr1, IntPtr.Size, intPtr);
Marshal.WriteIntPtr(intPtr1, IntPtr.Size * 2, functionPointerForDelegate1);
}
else
{
int num = IntPtr.Size;
Marshal.WriteIntPtr(intPtr1, 0, intPtr);
Marshal.WriteIntPtr(intPtr1, IntPtr.Size, functionPointerForDelegate);
Marshal.WriteIntPtr(intPtr1, IntPtr.Size * 2, functionPointerForDelegate1);
}
return(intPtr1);
}
internal static void Register(Callback.Run func, int size, int callbackId, bool gameserver)
{
Event @event = new Event()
{
vTablePtr = Event.BuildVTable(func, @event.Allocations)
};
Callback callback = new Callback()
{
vTablePtr = @event.vTablePtr,
CallbackFlags = (byte)((gameserver ? 2 : 0)),
CallbackId = callbackId
};
@event.PinnedCallback = GCHandle.Alloc(callback, GCHandleType.Pinned);
SteamClient.RegisterCallback(@event.PinnedCallback.AddrOfPinnedObject(), callback.CallbackId);
@event.IsAllocated = true;
if (!gameserver)
{
Event.AllClient.Add(@event);
}
else
{
Event.AllServer.Add(@event);
}
}
static IntPtr BuildVTable(Callback.Run run, List <GCHandle> allocations)
{
var RunStub = (Callback.RunCall)Callback.RunStub;
var SizeStub = (Callback.GetCallbackSizeBytes)Callback.SizeStub;
allocations.Add(GCHandle.Alloc(run));
allocations.Add(GCHandle.Alloc(RunStub));
allocations.Add(GCHandle.Alloc(SizeStub));
var a = Marshal.GetFunctionPointerForDelegate <Callback.Run>(run);
var b = Marshal.GetFunctionPointerForDelegate <Callback.RunCall>(RunStub);
var c = Marshal.GetFunctionPointerForDelegate <Callback.GetCallbackSizeBytes>(SizeStub);
var vt = Marshal.AllocHGlobal(IntPtr.Size * 3);
if (Config.Os == OsType.Windows)
{
Marshal.WriteIntPtr(vt, IntPtr.Size * 0, b);
Marshal.WriteIntPtr(vt, IntPtr.Size * 1, a);
Marshal.WriteIntPtr(vt, IntPtr.Size * 2, c);
}
else
{
Marshal.WriteIntPtr(vt, IntPtr.Size * 0, a);
Marshal.WriteIntPtr(vt, IntPtr.Size * 1, b);
Marshal.WriteIntPtr(vt, IntPtr.Size * 2, c);
}
return(vt);
}
static IntPtr BuildVTable(Callback.Run run, List <GCHandle> allocations)
{
var RunStub = (Callback.RunCall)Callback.RunStub;
var SizeStub = (Callback.GetCallbackSizeBytes)Callback.SizeStub;
allocations.Add(GCHandle.Alloc(run));
allocations.Add(GCHandle.Alloc(RunStub));
allocations.Add(GCHandle.Alloc(SizeStub));
var a = Marshal.GetFunctionPointerForDelegate <Callback.Run>(run);
var b = Marshal.GetFunctionPointerForDelegate <Callback.RunCall>(RunStub);
var c = Marshal.GetFunctionPointerForDelegate <Callback.GetCallbackSizeBytes>(SizeStub);
var vt = Marshal.AllocHGlobal(IntPtr.Size * 3);
// Windows switches the function positions
#if PLATFORM_WIN
Marshal.WriteIntPtr(vt, IntPtr.Size * 0, b);
Marshal.WriteIntPtr(vt, IntPtr.Size * 1, a);
Marshal.WriteIntPtr(vt, IntPtr.Size * 2, c);
#else
Marshal.WriteIntPtr(vt, IntPtr.Size * 0, a);
Marshal.WriteIntPtr(vt, IntPtr.Size * 1, b);
Marshal.WriteIntPtr(vt, IntPtr.Size * 2, c);
#endif
return(vt);
}
internal static void Register(Callback.Run func, int size, int callbackId, bool gameserver)
{
var r = new Event();
r.vTablePtr = BuildVTable(func, r.Allocations);
//
// Create the callback object
//
var cb = new Callback();
cb.vTablePtr = r.vTablePtr;
cb.CallbackFlags = gameserver ? (byte)0x02 : (byte)0;
cb.CallbackId = callbackId;
//
// Pin the callback, so it doesn't get garbage collected and we can pass the pointer to native
//
r.PinnedCallback = GCHandle.Alloc(cb, GCHandleType.Pinned);
//
// Register the callback with Steam
//
SteamClient.RegisterCallback(r.PinnedCallback.AddrOfPinnedObject(), cb.CallbackId);
r.IsAllocated = true;
if (gameserver)
{
Event.AllServer.Add(r);
}
else
{
Event.AllClient.Add(r);
}
}
