86 lines
2.2 KiB
C#
86 lines
2.2 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace Steamworks
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{
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public class ISteamMatchmakingPingResponse
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{
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public delegate void ServerResponded(gameserveritem_t server);
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public delegate void ServerFailedToRespond();
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[UnmanagedFunctionPointer(CallingConvention.ThisCall)]
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private delegate void InternalServerResponded(IntPtr thisptr, gameserveritem_t server);
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[UnmanagedFunctionPointer(CallingConvention.ThisCall)]
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private delegate void InternalServerFailedToRespond(IntPtr thisptr);
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[StructLayout(LayoutKind.Sequential)]
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private class VTable
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{
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[NonSerialized]
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[MarshalAs(UnmanagedType.FunctionPtr)]
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public InternalServerResponded m_VTServerResponded;
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[NonSerialized]
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[MarshalAs(UnmanagedType.FunctionPtr)]
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public InternalServerFailedToRespond m_VTServerFailedToRespond;
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}
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private VTable m_VTable;
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private IntPtr m_pVTable;
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private GCHandle m_pGCHandle;
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private ServerResponded m_ServerResponded;
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private ServerFailedToRespond m_ServerFailedToRespond;
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public ISteamMatchmakingPingResponse(ServerResponded onServerResponded, ServerFailedToRespond onServerFailedToRespond)
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{
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if (onServerResponded == null || onServerFailedToRespond == null)
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{
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throw new ArgumentNullException();
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}
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m_ServerResponded = onServerResponded;
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m_ServerFailedToRespond = onServerFailedToRespond;
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m_VTable = new VTable
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{
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m_VTServerResponded = InternalOnServerResponded,
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m_VTServerFailedToRespond = InternalOnServerFailedToRespond
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};
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m_pVTable = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(VTable)));
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Marshal.StructureToPtr(m_VTable, m_pVTable, false);
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m_pGCHandle = GCHandle.Alloc(m_pVTable, GCHandleType.Pinned);
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}
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~ISteamMatchmakingPingResponse()
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{
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if (m_pVTable != IntPtr.Zero)
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{
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Marshal.FreeHGlobal(m_pVTable);
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}
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if (m_pGCHandle.IsAllocated)
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{
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m_pGCHandle.Free();
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}
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}
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private void InternalOnServerResponded(IntPtr thisptr, gameserveritem_t server)
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{
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m_ServerResponded(server);
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}
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private void InternalOnServerFailedToRespond(IntPtr thisptr)
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{
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m_ServerFailedToRespond();
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}
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public static explicit operator IntPtr(ISteamMatchmakingPingResponse that)
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{
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return that.m_pGCHandle.AddrOfPinnedObject();
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}
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}
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}
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