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Fix SDL_GameControllerButtonBind layout

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This commit is contained in:
Ethan Lee 2018-03-30 10:43:46 -04:00
parent bd3b64fe32
commit 0f768e1c18
1 changed files with 13 additions and 9 deletions
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22
src/SDL2.cs
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@ -5282,19 +5282,23 @@ namespace SDL2
public int hat_mask; public int hat_mask;
} }
/* This struct has a union in it, hence the Explicit layout. */ // FIXME: I'd rather this somehow be private...
[StructLayout(LayoutKind.Explicit)] [StructLayout(LayoutKind.Explicit)]
public struct INTERNAL_GameControllerButtonBind_union
{
[FieldOffset(0)]
public int button;
[FieldOffset(0)]
public int axis;
[FieldOffset(0)]
public INTERNAL_GameControllerButtonBind_hat hat;
}
[StructLayout(LayoutKind.Sequential)]
public struct SDL_GameControllerButtonBind public struct SDL_GameControllerButtonBind
{ {
/* Note: enum size is 4 bytes. */
[FieldOffset(0)]
public SDL_GameControllerBindType bindType; public SDL_GameControllerBindType bindType;
[FieldOffset(4)] public INTERNAL_GameControllerButtonBind_union value;
public int button;
[FieldOffset(4)]
public int axis;
[FieldOffset(4)]
public INTERNAL_GameControllerButtonBind_hat hat;
} }
[DllImport(nativeLibName, EntryPoint = "SDL_GameControllerAddMapping", CallingConvention = CallingConvention.Cdecl)] [DllImport(nativeLibName, EntryPoint = "SDL_GameControllerAddMapping", CallingConvention = CallingConvention.Cdecl)]