private WorldLocation DeserializeObj(ref Utf8JsonReader reader, JsonSerializerOptions options)
{
Span <int> data = stackalloc int[3];
var count = 0;
var hasLoc = false;
var hasXYZ = false;
var hasMap = false;
Map map = null;
while (true)
{
reader.Read();
if (reader.TokenType == JsonTokenType.EndObject)
{
break;
}
if (reader.TokenType != JsonTokenType.PropertyName)
{
throw new JsonException("Invalid Json structure for WorldLocation object");
}
var key = reader.GetString();
var i = key switch
{
"x" => 0,
"y" => 1,
"z" => 2,
"loc" => 3,
"map" => 4,
_ => 5
};
if (i == 5)
{
continue;
}
reader.Read();
if (i < 3)
{
if (hasLoc)
{
throw new JsonException("WorldLocation must have loc or x, y, z, but not both");
}
if (reader.TokenType != JsonTokenType.Number)
{
throw new JsonException($"Value for {key} must be a number");
}
hasXYZ = true;
data[i] = reader.GetInt32();
continue;
}
if (i == 3)
{
if (hasXYZ)
{
throw new JsonException("WorldLocation must have loc or x, y, z, but not both");
}
hasLoc = true;
_point3DConverter ??= new Point3DConverter();
var loc = _point3DConverter.Read(ref reader, typeof(Point3D), options);
data[0] = loc.X;
data[1] = loc.Y;
data[2] = loc.Z;
count = 3;
continue;
}
_mapConverter ??= new MapConverter();
map = _mapConverter.Read(ref reader, typeof(Map), options);
hasMap = true;
}
if (!hasMap || count != 3)
{
throw new JsonException("WorldLocation must have an x, y, z, and map properties");
}
return(new WorldLocation(data[0], data[1], data[2], map));
}