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using System;
using System.Runtime.InteropServices;
namespace Steamworks;
public class ISteamMatchmakingRulesResponse
{
public delegate void RulesResponded(string pchRule, string pchValue);
public delegate void RulesFailedToRespond();
public delegate void RulesRefreshComplete();
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
public delegate void InternalRulesResponded(IntPtr pchRule, IntPtr pchValue);
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
public delegate void InternalRulesFailedToRespond();
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
public delegate void InternalRulesRefreshComplete();
[StructLayout(LayoutKind.Sequential)]
private class VTable
{
[NonSerialized]
[MarshalAs(UnmanagedType.FunctionPtr)]
public InternalRulesResponded m_VTRulesResponded;
[NonSerialized]
[MarshalAs(UnmanagedType.FunctionPtr)]
public InternalRulesFailedToRespond m_VTRulesFailedToRespond;
[NonSerialized]
[MarshalAs(UnmanagedType.FunctionPtr)]
public InternalRulesRefreshComplete m_VTRulesRefreshComplete;
}
private VTable m_VTable;
private IntPtr m_pVTable;
private GCHandle m_pGCHandle;
private RulesResponded m_RulesResponded;
private RulesFailedToRespond m_RulesFailedToRespond;
private RulesRefreshComplete m_RulesRefreshComplete;
public ISteamMatchmakingRulesResponse(RulesResponded onRulesResponded, RulesFailedToRespond onRulesFailedToRespond, RulesRefreshComplete onRulesRefreshComplete)
{
if (onRulesResponded == null || onRulesFailedToRespond == null || onRulesRefreshComplete == null)
{
throw new ArgumentNullException();
}
m_RulesResponded = onRulesResponded;
m_RulesFailedToRespond = onRulesFailedToRespond;
m_RulesRefreshComplete = onRulesRefreshComplete;
m_VTable = new VTable
{
m_VTRulesResponded = InternalOnRulesResponded,
m_VTRulesFailedToRespond = InternalOnRulesFailedToRespond,
m_VTRulesRefreshComplete = InternalOnRulesRefreshComplete
};
m_pVTable = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(VTable)));
Marshal.StructureToPtr(m_VTable, m_pVTable, fDeleteOld: false);
m_pGCHandle = GCHandle.Alloc(m_pVTable, GCHandleType.Pinned);
}
~ISteamMatchmakingRulesResponse()
{
if (m_pVTable != IntPtr.Zero)
{
Marshal.FreeHGlobal(m_pVTable);
}
if (m_pGCHandle.IsAllocated)
{
m_pGCHandle.Free();
}
}
private void InternalOnRulesResponded(IntPtr pchRule, IntPtr pchValue)
{
m_RulesResponded(InteropHelp.PtrToStringUTF8(pchRule), InteropHelp.PtrToStringUTF8(pchValue));
}
private void InternalOnRulesFailedToRespond()
{
m_RulesFailedToRespond();
}
private void InternalOnRulesRefreshComplete()
{
m_RulesRefreshComplete();
}
public static explicit operator IntPtr(ISteamMatchmakingRulesResponse that)
{
return that.m_pGCHandle.AddrOfPinnedObject();
}
}
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