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https://github.com/oliverbooth/VpSharp
synced 2024-11-09 22:55:42 +00:00
Reduce cyclomatic complexity of VirtualParadisePathObject
Just... all of it
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@ -45,30 +45,9 @@ public sealed class VirtualParadisePathObject : VirtualParadiseObject
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Span<char> chars = stackalloc char[data.Length];
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Encoding.UTF8.GetChars(data, chars);
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using Utf8ValueStringBuilder buffer = ZString.CreateUtf8StringBuilder();
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int index;
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Utf8ValueStringBuilder buffer = ZString.CreateUtf8StringBuilder();
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int index = CheckVersion(chars, ref buffer);
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// version
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var version = 0;
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for (index = 0; index < chars.Length; index++)
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{
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if (chars[index] == '\n')
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{
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version = buffer.AsSpan().ToInt32();
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break;
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}
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buffer.Append(chars[index]);
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}
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buffer.Clear();
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if (version != 1)
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{
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throw new NotSupportedException($"Unsupported path version {version}");
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}
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// path name
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var name = string.Empty;
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for (index += 1; index < chars.Length; index++)
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{
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@ -100,69 +79,123 @@ public sealed class VirtualParadisePathObject : VirtualParadiseObject
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for (index += 1; index < chars.Length; index++)
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{
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if (char.IsWhiteSpace(chars[index]))
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char current = chars[index];
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if (char.IsWhiteSpace(current))
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{
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if (offset is null)
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{
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offset = TimeSpan.FromSeconds(buffer.AsSpan().ToDouble());
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buffer.Clear();
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}
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else if (x is null)
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{
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x = buffer.AsSpan().ToDouble();
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buffer.Clear();
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}
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else if (y is null)
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{
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y = buffer.AsSpan().ToDouble();
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buffer.Clear();
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}
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else if (z is null)
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{
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z = buffer.AsSpan().ToDouble();
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buffer.Clear();
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}
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else if (rx is null)
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{
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rx = buffer.AsSpan().ToSingle();
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buffer.Clear();
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}
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else if (ry is null)
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{
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ry = buffer.AsSpan().ToSingle();
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buffer.Clear();
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}
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else if (rz is null)
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{
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rz = buffer.AsSpan().ToSingle();
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buffer.Clear();
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}
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else if (ra is null)
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{
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ra = buffer.AsSpan().ToSingle();
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buffer.Clear();
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}
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ProcessBuffer(ref offset, ref buffer, ref x, ref y, ref z, ref rx, ref ry, ref rz, ref ra);
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}
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if (chars[index] == '\n' || index == chars.Length - 1)
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ProcessEndOfLine(chars, index, ref x, ref y, ref z, ref rx, ref ry, ref rz, ref ra, ref offset, points);
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buffer.Append(current);
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}
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Path = new VirtualParadisePath((PathEasing)pathType, name, points, closed == 1);
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buffer.Dispose();
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}
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private static int CheckVersion(Span<char> chars, ref Utf8ValueStringBuilder buffer)
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{
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int index;
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var version = 0;
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for (index = 0; index < chars.Length; index++)
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{
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if (chars[index] == '\n')
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{
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var position = new Vector3d(x ?? 0, y ?? 0, z ?? 0);
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var axis = new Vector3(rx ?? 0, ry ?? 0, rz ?? 0);
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Quaternion rotation = double.IsPositiveInfinity(ra ?? 0)
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? Quaternion.CreateFromYawPitchRoll(axis.Y, axis.X, axis.Z)
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: Quaternion.CreateFromAxisAngle(axis, ra ?? 0);
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var point = new PathPoint(offset ?? TimeSpan.Zero, position, rotation);
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points.Add(point);
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x = y = z = rx = ry = rz = ra = null;
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offset = null;
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version = buffer.AsSpan().ToInt32();
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break;
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}
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buffer.Append(chars[index]);
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}
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Path = new VirtualParadisePath((PathEasing)pathType, name, points, closed == 1);
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buffer.Clear();
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if (version != 1)
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{
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throw new NotSupportedException($"Unsupported path version {version}");
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}
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return index;
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}
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private static void ProcessEndOfLine(
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Span<char> chars,
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int index,
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ref double? x, ref double? y, ref double? z,
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ref float? rx, ref float? ry, ref float? rz,
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ref float? ra,
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ref TimeSpan? offset,
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ICollection<PathPoint> points
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)
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{
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if (chars[index] != '\n' && index != chars.Length - 1)
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{
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return;
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}
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var position = new Vector3d(x ?? 0, y ?? 0, z ?? 0);
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var axis = new Vector3(rx ?? 0, ry ?? 0, rz ?? 0);
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Quaternion rotation = double.IsPositiveInfinity(ra ?? 0)
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? Quaternion.CreateFromYawPitchRoll(axis.Y, axis.X, axis.Z)
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: Quaternion.CreateFromAxisAngle(axis, ra ?? 0);
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var point = new PathPoint(offset ?? TimeSpan.Zero, position, rotation);
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points.Add(point);
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x = y = z = rx = ry = rz = ra = null;
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offset = null;
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}
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private static void ProcessBuffer(
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ref TimeSpan? offset,
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ref Utf8ValueStringBuilder buffer,
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ref double? x, ref double? y, ref double? z,
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ref float? rx, ref float? ry, ref float? rz,
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ref float? ra
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)
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{
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if (offset is null)
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{
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offset = TimeSpan.FromSeconds(buffer.AsSpan().ToDouble());
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buffer.Clear();
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}
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else if (x is null)
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{
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x = buffer.AsSpan().ToDouble();
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buffer.Clear();
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}
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else if (y is null)
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{
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y = buffer.AsSpan().ToDouble();
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buffer.Clear();
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}
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else if (z is null)
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{
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z = buffer.AsSpan().ToDouble();
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buffer.Clear();
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}
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else if (rx is null)
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{
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rx = buffer.AsSpan().ToSingle();
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buffer.Clear();
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}
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else if (ry is null)
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{
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ry = buffer.AsSpan().ToSingle();
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buffer.Clear();
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}
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else if (rz is null)
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{
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rz = buffer.AsSpan().ToSingle();
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buffer.Clear();
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}
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else if (ra is null)
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{
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ra = buffer.AsSpan().ToSingle();
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buffer.Clear();
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}
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}
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}
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