+ plugins project

1 files changed, 50 insertions, 0 deletions

diff --git a/Plugins/MonoGame.Extended/source/MonoGame.Extended/Serialization/RangeJsonConverter.cs b/Plugins/MonoGame.Extended/source/MonoGame.Extended/Serialization/RangeJsonConverter.cs
new file mode 100644
index 0000000..ef5b5cb
--- /dev/null
+++ b/Plugins/MonoGame.Extended/source/MonoGame.Extended/Serialization/RangeJsonConverter.cs
@@ -0,0 +1,50 @@
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace MonoGame.Extended.Serialization;
+
+/// <summary>
+/// Converts a <see cref="Range{T}"/> value to or from JSON.
+/// </summary>
+public class RangeJsonConverter<T> : JsonConverter<Range<T>> where T : IComparable<T>
+{
+    /// <inheritdoc />
+    public override bool CanConvert(Type typeToConvert) => typeToConvert == typeof(Range<T>);
+
+    /// <inheritdoc />
+    public override Range<T> Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        Span<T> values = reader.ReadAsMultiDimensional<T>();
+
+        if (values.Length == 2)
+        {
+            if (values[0].CompareTo(values[1]) < 0)
+            {
+                return new Range<T>(values[0], values[1]);
+            }
+
+            return new Range<T>(values[1], values[0]);
+        }
+
+        if (values.Length == 1)
+        {
+            return new Range<T>(values[0], values[0]);
+        }
+
+        throw new InvalidOperationException("Invalid range");
+    }
+
+    /// <inheritdoc />
+    /// <exception cref="ArgumentNullException">
+    /// Throw if <paramref name="writer"/> is <see langword="null"/>.
+    /// </exception>
+    public override void Write(Utf8JsonWriter writer, Range<T> value, JsonSerializerOptions options)
+    {
+        ArgumentNullException.ThrowIfNull(writer);
+        writer.WriteStartArray();
+        JsonSerializer.Serialize(writer, value.Min, options);
+        JsonSerializer.Serialize(writer, value.Max, options);
+        writer.WriteEndArray();
+    }
+}