BITKit/Src/NetSupport/MathematicsSupport.cs

using System;
using Newtonsoft.Json;
using Unity.Mathematics;
using YamlDotNet.Core;
using YamlDotNet.Serialization;

#if NET5_0_OR_GREATER
namespace BITKit
{
    public class Int3JsonConvertJsonConverter : JsonConverter<int3>
    {
        public override void WriteJson(JsonWriter writer, int3 value, JsonSerializer serializer)
        {
            writer.WriteStartObject();
            
            writer.WritePropertyName(nameof(value.x));
            writer.WriteValue(value.x);
            
            writer.WritePropertyName(nameof(value.y));
            writer.WriteValue(value.y);
            
            writer.WritePropertyName(nameof(value.z));
            writer.WriteValue(value.z);
            
            writer.WriteEndObject();
        }

        public override int3 ReadJson(JsonReader reader, Type objectType, int3 existingValue, bool hasExistingValue, JsonSerializer serializer)
        {
            var result = new int3(0, 0, 0); // 默认值为 (0, 0, 0)
       
            while (reader.TokenType != JsonToken.EndObject)
            {
                reader.Read();
                if (reader.TokenType != JsonToken.PropertyName) continue;

                var property = reader.Value.ToString();
                if (property == nameof(int3.x)) result.x = (int)reader.ReadAsInt32()!;
                if (property == nameof(int3.y)) result.y = (int)reader.ReadAsInt32()!;
                if (property == nameof(int3.z)) result.z = (int)reader.ReadAsInt32()!;
            }
       
            return result;
        }
    }
    public class Int4JsonConvertJsonConverter : JsonConverter<int4>
    {
        public override void WriteJson(JsonWriter writer, int4 value, JsonSerializer serializer)
        {
            writer.WriteStartObject();
            
            writer.WritePropertyName(nameof(value.x));
            writer.WriteValue(value.x);
            
            writer.WritePropertyName(nameof(value.y));
            writer.WriteValue(value.y);
            
            writer.WritePropertyName(nameof(value.z));
            writer.WriteValue(value.z);
            
            writer.WritePropertyName(nameof(value.w));
            writer.WriteValue(value.w);
            
            writer.WriteEndObject();
        }

        public override int4 ReadJson(JsonReader reader, Type objectType, int4 existingValue, bool hasExistingValue, JsonSerializer serializer)
        {
            var result = new int4(0, 0, 0, 0); // 默认值为 (0, 0, 0, 0)
       
            while (reader.TokenType != JsonToken.EndObject)
            {
                reader.Read();
                if (reader.TokenType != JsonToken.PropertyName) continue;

                var property = reader.Value.ToString();
                if (property == nameof(int4.x)) result.x = (int)reader.ReadAsInt32()!;
                if (property == nameof(int4.y)) result.y = (int)reader.ReadAsInt32()!;
                if (property == nameof(int4.z)) result.z = (int)reader.ReadAsInt32()!;
                if (property == nameof(int4.w)) result.w = (int)reader.ReadAsInt32()!;
            }
       
            return result;
        }
    }
    public class Float2JsonConvertJsonConverter:JsonConverter<float2>
    {
        public override void WriteJson(JsonWriter writer, float2 value, JsonSerializer serializer)
        {
            writer.WriteStartObject();
       
            writer.WritePropertyName(nameof(value.x));
            writer.WriteValue((double)value.x);
       
            writer.WritePropertyName(nameof(value.y));
            writer.WriteValue((double)value.y);
       
            writer.WriteEndObject();
        }

        public override float2 ReadJson(JsonReader reader, Type objectType, float2 existingValue, bool hasExistingValue,
            JsonSerializer serializer)
        {
            var result = float2.zero;
       
            while (reader.TokenType != JsonToken.EndObject) {
                reader.Read();
                if (reader.TokenType != JsonToken.PropertyName) continue;

                var property = reader.Value;
                if (property is nameof(float2.x)) result.x = (float)reader.ReadAsDouble()!;
                if (property is nameof(float2.y)) result.y = (float)reader.ReadAsDouble()!;
            }
       
            return result;
        }
    }
    public class Float3JsonConvertJsonConverter : JsonConverter<float3>
    {
        public override void WriteJson(JsonWriter writer, float3 value, JsonSerializer serializer)
        {
            writer.WriteStartObject();
            
            writer.WritePropertyName(nameof(value.x));
            writer.WriteValue((double)value.x); // 将 float 转为 double，避免精度问题
            
            writer.WritePropertyName(nameof(value.y));
            writer.WriteValue((double)value.y); // 将 float 转为 double
            
            writer.WritePropertyName(nameof(value.z));
            writer.WriteValue((double)value.z); // 将 float 转为 double
            
            writer.WriteEndObject();
        }

        public override float3 ReadJson(JsonReader reader, Type objectType, float3 existingValue, bool hasExistingValue, JsonSerializer serializer)
        {
            var result = float3.zero; // 默认值为 (0, 0, 0)
            
            while (reader.TokenType != JsonToken.EndObject)
            {
                reader.Read();
                if (reader.TokenType != JsonToken.PropertyName) continue;

                var property = reader.Value.ToString();
                if (property == nameof(float3.x)) result.x = (float)reader.ReadAsDouble()!;
                if (property == nameof(float3.y)) result.y = (float)reader.ReadAsDouble()!;
                if (property == nameof(float3.z)) result.z = (float)reader.ReadAsDouble()!;
            }
            
            return result;
        }
    }
    public class Float4JsonConvertJsonConverter:JsonConverter<float4>
    {
        public override void WriteJson(JsonWriter writer, float4 value, JsonSerializer serializer)
        {
            writer.WriteStartObject();
       
            writer.WritePropertyName(nameof(value.x));
            writer.WriteValue((double)value.x);
       
            writer.WritePropertyName(nameof(value.y));
            writer.WriteValue((double)value.y);
            
            writer.WritePropertyName(nameof(value.z));
            writer.WriteValue((double)value.z);
            
            writer.WritePropertyName(nameof(value.w));
            writer.WriteValue((double)value.w);
       
            writer.WriteEndObject();
        }

        public override float4 ReadJson(JsonReader reader, Type objectType, float4 existingValue, bool hasExistingValue,
            JsonSerializer serializer)
        {
            var result = float4.zero;
       
            while (reader.TokenType != JsonToken.EndObject) {
                reader.Read();
                if (reader.TokenType != JsonToken.PropertyName) continue;

                var property = reader.Value;
                if (property is nameof(float4.x)) result.x = (float)reader.ReadAsDouble()!;
                if (property is nameof(float4.y)) result.y = (float)reader.ReadAsDouble()!;
                if (property is nameof(float4.z)) result.z = (float)reader.ReadAsDouble()!;
                if (property is nameof(float4.w)) result.w = (float)reader.ReadAsDouble()!;
            }
       
            return result;
        }
    }
}
#endif