/// <summary>
/// Creates and adds a <see cref="Tags.TagFieldInfo"/> to the <see cref="Tags.TagFieldInfo"/> <see cref="List{T}"/>.
/// </summary>
/// <param name="field">The <see cref="FieldInfo"/> to create the <see cref="Tags.TagFieldInfo"/> from.</param>
/// <param name="attribute">The <see cref="TagFieldAttribute"/> for the <see cref="Tags.TagFieldInfo"/>.</param>
/// <param name="targetVersion">The target <see cref="CacheVersion"/> the <see cref="Tags.TagFieldInfo"/> belongs to.</param>
/// <param name="offset">The offset (in bytes) of the field. Gets updated to reflect the new offset following field.</param>
private void CreateTagFieldInfo(FieldInfo field, TagFieldAttribute attribute, CacheVersion targetVersion, ref uint offset)
{
var fieldSize = TagFieldInfo.GetFieldSize(field.FieldType, attribute, targetVersion);
if (fieldSize == 0 && !attribute.Flags.HasFlag(TagFieldFlags.Runtime))
{
throw new InvalidOperationException();
}
var tagFieldInfo = new TagFieldInfo(field, attribute, offset, fieldSize);
TagFieldInfos.Add(tagFieldInfo);
offset += fieldSize;
}
/// <summary>
/// Gets the size of a tag-field.
/// </summary>
/// <param name="type">The <see cref="Type"/> of the field.</param>
/// <param name="attr">The <see cref="TagFieldAttribute"/> of the field.</param>
/// <param name="targetVersion">The <see cref="CacheVersion"/> to target.</param>
/// <returns></returns>
public static uint GetFieldSize(Type type, TagFieldAttribute attr, CacheVersion targetVersion)
{
switch (Type.GetTypeCode(type))
{
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
return(0x01);
case TypeCode.Char:
case TypeCode.Int16:
case TypeCode.UInt16:
return(0x02);
case TypeCode.Single:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Object when attr != null && attr.Flags.HasFlag(TagFieldFlags.Pointer):
case TypeCode.Object when type == typeof(Tag):
case TypeCode.Object when type == typeof(CacheAddress):
case TypeCode.Object when type == typeof(CachedTagInstance) && attr.Flags.HasFlag(TagFieldFlags.Short):
//case TypeCode.Object when type == typeof(RgbColor):
case TypeCode.Object when type == typeof(ArgbColor):
case TypeCode.Object when type == typeof(Point2d):
case TypeCode.Object when type == typeof(StringId):
case TypeCode.Object when type == typeof(Angle):
case TypeCode.Object when type == typeof(VertexShaderReference):
case TypeCode.Object when type == typeof(PixelShaderReference):
return(0x04);
case TypeCode.Double:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Object when type == typeof(CachedTagInstance) && targetVersion != CacheVersion.Unknown && CacheVersionDetection.IsBetween(targetVersion, CacheVersion.Halo2Xbox, CacheVersion.Halo2Vista):
case TypeCode.Object when type == typeof(byte[]) && targetVersion != CacheVersion.Unknown && CacheVersionDetection.IsBetween(targetVersion, CacheVersion.Halo2Xbox, CacheVersion.Halo2Vista):
case TypeCode.Object when type == typeof(Rectangle2d):
case TypeCode.Object when type == typeof(RealEulerAngles2d):
case TypeCode.Object when type == typeof(RealPoint2d):
case TypeCode.Object when type == typeof(RealVector2d):
case TypeCode.Object when type.IsGenericType && type.GetGenericTypeDefinition() == typeof(List <>) && targetVersion != CacheVersion.Unknown && CacheVersionDetection.IsBetween(targetVersion, CacheVersion.Halo2Xbox, CacheVersion.Halo2Vista):
case TypeCode.Object when type.IsGenericType && type.GetGenericTypeDefinition() == typeof(TagBlock <>) && targetVersion != CacheVersion.Unknown && CacheVersionDetection.IsBetween(targetVersion, CacheVersion.Halo2Xbox, CacheVersion.Halo2Vista):
return(0x08);
case TypeCode.Object when type == typeof(RealRgbColor):
case TypeCode.Object when type == typeof(RealEulerAngles3d):
case TypeCode.Object when type == typeof(RealPoint3d):
case TypeCode.Object when type == typeof(RealVector3d):
case TypeCode.Object when type == typeof(RealPlane2d):
case TypeCode.Object when type.IsGenericType && type.GetGenericTypeDefinition() == typeof(List <>) && CacheVersionDetection.IsBetween(targetVersion, CacheVersion.Halo3Retail, CacheVersion.Unknown):
case TypeCode.Object when type.IsGenericType && type.GetGenericTypeDefinition() == typeof(TagBlock <>) && CacheVersionDetection.IsBetween(targetVersion, CacheVersion.Halo3Retail, CacheVersion.Unknown):
return(0x0C);
case TypeCode.Decimal:
case TypeCode.Object when type == typeof(CachedTagInstance) && CacheVersionDetection.IsBetween(targetVersion, CacheVersion.Halo3Retail, CacheVersion.Unknown):
case TypeCode.Object when type == typeof(RealArgbColor):
case TypeCode.Object when type == typeof(RealQuaternion):
case TypeCode.Object when type == typeof(RealPlane3d):
return(0x10);
case TypeCode.Object when type == typeof(byte[]) && CacheVersionDetection.IsBetween(targetVersion, CacheVersion.Halo3Retail, CacheVersion.Unknown):
return(0x14);
case TypeCode.Object when type == typeof(RealMatrix4x3):
return(0x30);
case TypeCode.Object when type == typeof(DatumIndex):
return(sizeof(uint));
case TypeCode.String:
case TypeCode.Object when type.IsArray:
return((uint)attr.Length);
case TypeCode.Object when type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Bounds <>):
return(TagFieldInfo.GetFieldSize(type.GenericTypeArguments[0], attr, targetVersion) * 2);
case TypeCode.Object when type.IsEnum:
return(TagFieldInfo.GetFieldSize(type.GetEnumUnderlyingType(), attr, targetVersion));
// Assume the field is a structure
default:
return(TagStructure.GetTagStructureInfo(type, targetVersion).TotalSize);
}
}
