63 lines
1.8 KiB
C#
63 lines
1.8 KiB
C#
using System;
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using System.IO;
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using System.Numerics;
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using System.Text;
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namespace KeepersCompound.LGS;
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public static class Extensions
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{
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public static Vector3 ReadRotation(this BinaryReader reader)
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{
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var raw = new Vector3(reader.ReadUInt16(), reader.ReadUInt16(), reader.ReadUInt16());
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return raw * 360 / (ushort.MaxValue + 1);
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}
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public static void WriteRotation(this BinaryWriter writer, Vector3 rotation)
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{
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var raw = rotation * (ushort.MaxValue + 1) / 360;
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writer.Write((ushort)raw.X);
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writer.Write((ushort)raw.Y);
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writer.Write((ushort)raw.Z);
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}
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public static Vector3 ReadVec3(this BinaryReader reader)
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{
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return new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
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}
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public static void WriteVec3(this BinaryWriter writer, Vector3 vec)
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{
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writer.Write(vec.X);
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writer.Write(vec.Y);
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writer.Write(vec.Z);
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}
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public static Vector2 ReadVec2(this BinaryReader reader)
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{
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return new Vector2(reader.ReadSingle(), reader.ReadSingle());
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}
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public static void WriteVec2(this BinaryWriter writer, Vector2 vec)
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{
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writer.Write(vec.X);
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writer.Write(vec.Y);
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}
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public static string ReadNullString(this BinaryReader reader, int length)
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{
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var tmpName = Encoding.UTF8.GetString(reader.ReadBytes(length));
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var idx = tmpName.IndexOf('\0');
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if (idx >= 0) tmpName = tmpName[..idx];
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return tmpName;
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}
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public static void WriteNullString(this BinaryWriter writer, string nullString, int length)
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{
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var writeBytes = new byte[length];
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var stringBytes = Encoding.UTF8.GetBytes(nullString);
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stringBytes[..Math.Min(length, stringBytes.Length)].CopyTo(writeBytes, 0);
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writer.Write(writeBytes);
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}
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}
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