2459f287e4
DTO + TryParse for the GameMessageSetState wire message. The server broadcasts this when an already-spawned entity's PhysicsState changes post-CreateObject — chiefly when a door's Ethereal bit toggles on Use. Wire format per holtburger SetStateData (validated against retail-format servers): u32 opcode + u32 guid + u32 state + u16 instanceSequence + u16 stateSequence = 16 bytes total. Mirrors the existing VectorUpdate.cs template. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
43 lines
1.4 KiB
C#
43 lines
1.4 KiB
C#
using System;
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using System.Buffers.Binary;
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using AcDream.Core.Net.Messages;
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using Xunit;
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namespace AcDream.Core.Net.Tests.Messages;
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public class SetStateTests
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{
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[Fact]
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public void TryParse_WellFormedBody_ReturnsParsed()
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{
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var buf = new byte[16];
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BinaryPrimitives.WriteUInt32LittleEndian(buf.AsSpan(0, 4), 0xF74Bu);
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BinaryPrimitives.WriteUInt32LittleEndian(buf.AsSpan(4, 4), 0x000F4244u); // door guid
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BinaryPrimitives.WriteUInt32LittleEndian(buf.AsSpan(8, 4), 0x00000004u); // ETHEREAL bit
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BinaryPrimitives.WriteUInt16LittleEndian(buf.AsSpan(12, 2), (ushort)355);
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BinaryPrimitives.WriteUInt16LittleEndian(buf.AsSpan(14, 2), (ushort)42);
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var parsed = SetState.TryParse(buf);
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Assert.NotNull(parsed);
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Assert.Equal(0x000F4244u, parsed.Value.Guid);
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Assert.Equal(0x00000004u, parsed.Value.PhysicsState);
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Assert.Equal((ushort)355, parsed.Value.InstanceSequence);
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Assert.Equal((ushort)42, parsed.Value.StateSequence);
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}
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[Fact]
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public void TryParse_Truncated_ReturnsNull()
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{
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var buf = new byte[10];
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Assert.Null(SetState.TryParse(buf));
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}
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[Fact]
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public void TryParse_WrongOpcode_ReturnsNull()
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{
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var buf = new byte[16];
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BinaryPrimitives.WriteUInt32LittleEndian(buf.AsSpan(0, 4), 0xF74Cu);
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Assert.Null(SetState.TryParse(buf));
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}
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}
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