41 lines
1.3 KiB
C#
41 lines
1.3 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using Decal.Interop.Net;
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namespace Decal.Adapter.NetParser;
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/// <summary>
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/// Decal Message Factory Implementation
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/// </summary>
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[ComVisible(true)]
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[ClassInterface(ClassInterfaceType.None)]
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[ComDefaultInterface(typeof(IMessageFactory))]
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[ProgId("DecalAdapter.MessageFactory")]
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[Guid("59D7815E-6716-4bd7-B264-69B6A9382701")]
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public class MessageFactory : IMessageFactory
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{
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/// <summary>
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/// Construct a new MessageFacytory instance
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/// </summary>
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public MessageFactory()
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{
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}
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/// <summary>
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/// Creates an IMessage2 instance from the provided raw packet data
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/// </summary>
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/// <param name="pData">Pointer to the raw packet bytes</param>
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/// <param name="size">Size of pData in bytes</param>
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/// <param name="outgoing">Packet direction</param>
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/// <returns>IMessage2 instance to navigate the packet</returns>
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IMessage2 IMessageFactory.CreateMessage(int pData, int size, bool outgoing)
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{
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if (pData != 0 && size != 0)
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{
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byte[] array = (byte[])Array.CreateInstance(typeof(byte), size);
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Marshal.Copy(new IntPtr(pData), array, 0, size);
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return new MessageWrapper(new Message(array, Message.GetParser(BitConverter.ToInt32(array, 0), outgoing ? MessageDirection.Outbound : MessageDirection.Inbound)));
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}
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return null;
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}
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}
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