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using Codely.Newtonsoft.Json;
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using Codely.Newtonsoft.Json.Linq;
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using System;
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using UnityEngine;
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#if UNITY_EDITOR
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using UnityEditor; // Required for AssetDatabase and EditorUtility
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#endif
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namespace UnityTcp.Editor.Serialization
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{
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public class Vector3Converter : JsonConverter<Vector3>
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{
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public override void WriteJson(JsonWriter writer, Vector3 value, JsonSerializer serializer)
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{
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writer.WriteStartObject();
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writer.WritePropertyName("x");
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writer.WriteValue(value.x);
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writer.WritePropertyName("y");
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writer.WriteValue(value.y);
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writer.WritePropertyName("z");
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writer.WriteValue(value.z);
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writer.WriteEndObject();
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}
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public override Vector3 ReadJson(JsonReader reader, Type objectType, Vector3 existingValue, bool hasExistingValue, JsonSerializer serializer)
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{
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JObject jo = JObject.Load(reader);
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return new Vector3(
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(float)jo["x"],
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(float)jo["y"],
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(float)jo["z"]
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);
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}
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}
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public class Vector2Converter : JsonConverter<Vector2>
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{
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public override void WriteJson(JsonWriter writer, Vector2 value, JsonSerializer serializer)
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{
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writer.WriteStartObject();
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writer.WritePropertyName("x");
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writer.WriteValue(value.x);
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writer.WritePropertyName("y");
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writer.WriteValue(value.y);
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writer.WriteEndObject();
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}
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public override Vector2 ReadJson(JsonReader reader, Type objectType, Vector2 existingValue, bool hasExistingValue, JsonSerializer serializer)
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{
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JObject jo = JObject.Load(reader);
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return new Vector2(
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(float)jo["x"],
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(float)jo["y"]
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);
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}
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}
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public class QuaternionConverter : JsonConverter<Quaternion>
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{
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public override void WriteJson(JsonWriter writer, Quaternion value, JsonSerializer serializer)
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{
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writer.WriteStartObject();
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writer.WritePropertyName("x");
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writer.WriteValue(value.x);
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writer.WritePropertyName("y");
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writer.WriteValue(value.y);
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writer.WritePropertyName("z");
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writer.WriteValue(value.z);
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writer.WritePropertyName("w");
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writer.WriteValue(value.w);
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writer.WriteEndObject();
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}
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public override Quaternion ReadJson(JsonReader reader, Type objectType, Quaternion existingValue, bool hasExistingValue, JsonSerializer serializer)
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{
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JObject jo = JObject.Load(reader);
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return new Quaternion(
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(float)jo["x"],
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(float)jo["y"],
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(float)jo["z"],
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(float)jo["w"]
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);
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}
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}
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public class ColorConverter : JsonConverter<Color>
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{
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public override void WriteJson(JsonWriter writer, Color value, JsonSerializer serializer)
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{
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writer.WriteStartObject();
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writer.WritePropertyName("r");
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writer.WriteValue(value.r);
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writer.WritePropertyName("g");
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writer.WriteValue(value.g);
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writer.WritePropertyName("b");
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writer.WriteValue(value.b);
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writer.WritePropertyName("a");
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writer.WriteValue(value.a);
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writer.WriteEndObject();
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}
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public override Color ReadJson(JsonReader reader, Type objectType, Color existingValue, bool hasExistingValue, JsonSerializer serializer)
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{
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JObject jo = JObject.Load(reader);
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return new Color(
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(float)jo["r"],
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(float)jo["g"],
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(float)jo["b"],
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(float)jo["a"]
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);
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}
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}
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public class RectConverter : JsonConverter<Rect>
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{
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public override void WriteJson(JsonWriter writer, Rect value, JsonSerializer serializer)
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{
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writer.WriteStartObject();
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writer.WritePropertyName("x");
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writer.WriteValue(value.x);
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writer.WritePropertyName("y");
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writer.WriteValue(value.y);
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writer.WritePropertyName("width");
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writer.WriteValue(value.width);
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writer.WritePropertyName("height");
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writer.WriteValue(value.height);
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writer.WriteEndObject();
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}
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public override Rect ReadJson(JsonReader reader, Type objectType, Rect existingValue, bool hasExistingValue, JsonSerializer serializer)
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{
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JObject jo = JObject.Load(reader);
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return new Rect(
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(float)jo["x"],
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(float)jo["y"],
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(float)jo["width"],
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(float)jo["height"]
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);
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}
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}
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public class BoundsConverter : JsonConverter<Bounds>
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{
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public override void WriteJson(JsonWriter writer, Bounds value, JsonSerializer serializer)
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{
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writer.WriteStartObject();
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writer.WritePropertyName("center");
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serializer.Serialize(writer, value.center); // Use serializer to handle nested Vector3
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writer.WritePropertyName("size");
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serializer.Serialize(writer, value.size); // Use serializer to handle nested Vector3
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writer.WriteEndObject();
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}
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public override Bounds ReadJson(JsonReader reader, Type objectType, Bounds existingValue, bool hasExistingValue, JsonSerializer serializer)
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{
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JObject jo = JObject.Load(reader);
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Vector3 center = jo["center"].ToObject<Vector3>(serializer); // Use serializer to handle nested Vector3
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Vector3 size = jo["size"].ToObject<Vector3>(serializer); // Use serializer to handle nested Vector3
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return new Bounds(center, size);
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}
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}
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// Converter for UnityEngine.Object references (GameObjects, Components, Materials, Textures, etc.)
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public class UnityEngineObjectConverter : JsonConverter<UnityEngine.Object>
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{
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public override bool CanRead => true; // We need to implement ReadJson
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public override bool CanWrite => true;
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/// <summary>
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/// Delegate for finding UnityEngine.Object by instruction (e.g., {"find":"...", "method":"..."}).
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/// This is set by the Editor assembly at startup to avoid cross-assembly reference issues.
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/// </summary>
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public static Func<JObject, Type, UnityEngine.Object> FindObjectByInstruction { get; set; }
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public override void WriteJson(JsonWriter writer, UnityEngine.Object value, JsonSerializer serializer)
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{
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if (value == null)
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{
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writer.WriteNull();
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return;
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}
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#if UNITY_EDITOR // AssetDatabase and EditorUtility are Editor-only
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if (UnityEditor.AssetDatabase.Contains(value))
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{
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// It's an asset (Material, Texture, Prefab, etc.)
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string path = UnityEditor.AssetDatabase.GetAssetPath(value);
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if (!string.IsNullOrEmpty(path))
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{
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writer.WriteValue(path);
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}
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else
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{
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// Asset exists but path couldn't be found? Write minimal info.
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writer.WriteStartObject();
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writer.WritePropertyName("name");
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writer.WriteValue(value.name);
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writer.WritePropertyName("instanceID");
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writer.WriteValue(value.GetInstanceID());
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writer.WritePropertyName("isAssetWithoutPath");
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writer.WriteValue(true);
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writer.WriteEndObject();
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}
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}
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else
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{
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// It's a scene object (GameObject, Component, etc.)
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writer.WriteStartObject();
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writer.WritePropertyName("name");
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writer.WriteValue(value.name);
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writer.WritePropertyName("instanceID");
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writer.WriteValue(value.GetInstanceID());
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writer.WriteEndObject();
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}
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#else
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// Runtime fallback: Write basic info without AssetDatabase
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writer.WriteStartObject();
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writer.WritePropertyName("name");
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writer.WriteValue(value.name);
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writer.WritePropertyName("instanceID");
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writer.WriteValue(value.GetInstanceID());
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writer.WritePropertyName("warning");
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writer.WriteValue("UnityEngineObjectConverter running in non-Editor mode, asset path unavailable.");
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writer.WriteEndObject();
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#endif
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}
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public override UnityEngine.Object ReadJson(JsonReader reader, Type objectType, UnityEngine.Object existingValue, bool hasExistingValue, JsonSerializer serializer)
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{
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if (reader.TokenType == JsonToken.Null)
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{
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return null;
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}
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#if UNITY_EDITOR
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if (reader.TokenType == JsonToken.String)
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{
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// Assume it's an asset path
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string path = reader.Value.ToString();
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return UnityEditor.AssetDatabase.LoadAssetAtPath(path, objectType);
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}
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if (reader.TokenType == JsonToken.StartObject)
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{
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JObject jo = JObject.Load(reader);
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// Handle {"find":"...", "method":"..."} reference lookup format
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if (jo.TryGetValue("find", out JToken findToken))
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{
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if (FindObjectByInstruction != null)
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{
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UnityEngine.Object foundObj = FindObjectByInstruction(jo, objectType);
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if (foundObj != null)
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{
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return foundObj;
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}
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// Log warning if find instruction was provided but object wasn't found
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Debug.LogWarning($"Could not find object using instruction: {jo}");
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return null;
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}
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else
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{
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Debug.LogWarning("FindObjectByInstruction delegate not registered. Cannot resolve find instruction.");
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return null;
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}
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}
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if (jo.TryGetValue("instanceID", out JToken idToken) && idToken.Type == JTokenType.Integer)
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{
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int instanceId = idToken.ToObject<int>();
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UnityEngine.Object obj = UnityEditor.EditorUtility.InstanceIDToObject(instanceId);
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if (obj != null && objectType.IsAssignableFrom(obj.GetType()))
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{
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return obj;
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}
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}
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// Could potentially try finding by name as a fallback if ID lookup fails/isn't present
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// but that's less reliable.
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}
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#else
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// Runtime deserialization is tricky without AssetDatabase/EditorUtility
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// Maybe log a warning and return null or existingValue?
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Debug.LogWarning("UnityEngineObjectConverter cannot deserialize complex objects in non-Editor mode.");
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// Skip the token to avoid breaking the reader
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if (reader.TokenType == JsonToken.StartObject) JObject.Load(reader);
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else if (reader.TokenType == JsonToken.String) reader.ReadAsString();
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// Return null or existing value, depending on desired behavior
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return existingValue;
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#endif
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throw new JsonSerializationException($"Unexpected token type '{reader.TokenType}' when deserializing UnityEngine.Object");
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}
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}
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}
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@@ -0,0 +1,11 @@
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fileFormatVersion: 2
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guid: 1eb3a812e461dfa499f91f9500604ef3
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MonoImporter:
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externalObjects: {}
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serializedVersion: 2
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defaultReferences: []
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executionOrder: 0
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icon: {instanceID: 0}
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userData:
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assetBundleName:
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assetBundleVariant:
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