using System;
using System.Collections.Generic;
using Newtonsoft.Json.Linq;
using UnityEngine;
namespace MCPForUnity.Editor.Helpers
{
/// <summary>
/// Utility class for parsing JSON tokens into Unity vector, math, and animation types.
/// Supports both array format [x, y, z] and object format {x: 1, y: 2, z: 3}.
/// </summary>
public static class VectorParsing
{
/// <summary>
/// Parses a JToken (array or object) into a Vector3.
/// </summary>
/// <param name="token">The JSON token to parse</param>
/// <returns>The parsed Vector3 or null if parsing fails</returns>
public static Vector3? ParseVector3(JToken token)
{
if (token == null || token.Type == JTokenType.Null)
return null;
try
{
// Array format: [x, y, z]
if (token is JArray array && array.Count >= 3)
{
return new Vector3(
array[0].ToObject<float>(),
array[1].ToObject<float>(),
array[2].ToObject<float>()
);
}
// Object format: {x: 1, y: 2, z: 3}
if (token is JObject obj && obj.ContainsKey("x") && obj.ContainsKey("y") && obj.ContainsKey("z"))
{
return new Vector3(
obj["x"].ToObject<float>(),
obj["y"].ToObject<float>(),
obj["z"].ToObject<float>()
);
}
}
catch (Exception ex)
{
McpLog.Warn($"[VectorParsing] Failed to parse Vector3 from '{token}': {ex.Message}");
}
return null;
}
/// <summary>
/// Parses a JToken into a Vector3, returning a default value if parsing fails.
/// </summary>
public static Vector3 ParseVector3OrDefault(JToken token, Vector3 defaultValue = default)
{
return ParseVector3(token) ?? defaultValue;
}
/// <summary>
/// Parses a JToken (array or object) into a Vector2.
/// </summary>
/// <param name="token">The JSON token to parse</param>
/// <returns>The parsed Vector2 or null if parsing fails</returns>
public static Vector2? ParseVector2(JToken token)
{
if (token == null || token.Type == JTokenType.Null)
return null;
try
{
// Array format: [x, y]
if (token is JArray array && array.Count >= 2)
{
return new Vector2(
array[0].ToObject<float>(),
array[1].ToObject<float>()
);
}
// Object format: {x: 1, y: 2}
if (token is JObject obj && obj.ContainsKey("x") && obj.ContainsKey("y"))
{
return new Vector2(
obj["x"].ToObject<float>(),
obj["y"].ToObject<float>()
);
}
}
catch (Exception ex)
{
McpLog.Warn($"[VectorParsing] Failed to parse Vector2 from '{token}': {ex.Message}");
}
return null;
}
/// <summary>
/// Parses a JToken (array or object) into a Vector4.
/// </summary>
/// <param name="token">The JSON token to parse</param>
/// <returns>The parsed Vector4 or null if parsing fails</returns>
public static Vector4? ParseVector4(JToken token)
{
if (token == null || token.Type == JTokenType.Null)
return null;
try
{
// Array format: [x, y, z, w]
if (token is JArray array && array.Count >= 4)
{
return new Vector4(
array[0].ToObject<float>(),
array[1].ToObject<float>(),
array[2].ToObject<float>(),
array[3].ToObject<float>()
);
}
// Object format: {x: 1, y: 2, z: 3, w: 4}
if (token is JObject obj && obj.ContainsKey("x") && obj.ContainsKey("y") &&
obj.ContainsKey("z") && obj.ContainsKey("w"))
{
return new Vector4(
obj["x"].ToObject<float>(),
obj["y"].ToObject<float>(),
obj["z"].ToObject<float>(),
obj["w"].ToObject<float>()
);
}
}
catch (Exception ex)
{
Debug.LogWarning($"[VectorParsing] Failed to parse Vector4 from '{token}': {ex.Message}");
}
return null;
}
/// <summary>
/// Parses a JToken (array or object) into a Quaternion.
/// Supports both euler angles [x, y, z] and quaternion components [x, y, z, w].
/// Note: Raw quaternion components are NOT normalized. Callers should normalize if needed
/// for operations like interpolation where non-unit quaternions cause issues.
/// </summary>
/// <param name="token">The JSON token to parse</param>
/// <param name="asEulerAngles">If true, treats 3-element arrays as euler angles</param>
/// <returns>The parsed Quaternion or null if parsing fails</returns>
public static Quaternion? ParseQuaternion(JToken token, bool asEulerAngles = true)
{
if (token == null || token.Type == JTokenType.Null)
return null;
try
{
if (token is JArray array)
{
// Quaternion components: [x, y, z, w]
if (array.Count >= 4)
{
return new Quaternion(
array[0].ToObject<float>(),
array[1].ToObject<float>(),
array[2].ToObject<float>(),
array[3].ToObject<float>()
);
}
// Euler angles: [x, y, z]
if (array.Count >= 3 && asEulerAngles)
{
return Quaternion.Euler(
array[0].ToObject<float>(),
array[1].ToObject<float>(),
array[2].ToObject<float>()
);
}
}
// Object format: {x: 0, y: 0, z: 0, w: 1}
if (token is JObject obj)
{
if (obj.ContainsKey("x") && obj.ContainsKey("y") && obj.ContainsKey("z") && obj.ContainsKey("w"))
{
return new Quaternion(
obj["x"].ToObject<float>(),
obj["y"].ToObject<float>(),
obj["z"].ToObject<float>(),
obj["w"].ToObject<float>()
);
}
// Euler format in object: {x: 45, y: 90, z: 0} (as euler angles)
if (obj.ContainsKey("x") && obj.ContainsKey("y") && obj.ContainsKey("z") && asEulerAngles)
{
return Quaternion.Euler(
obj["x"].ToObject<float>(),
obj["y"].ToObject<float>(),
obj["z"].ToObject<float>()
);
}
}
}
catch (Exception ex)
{
McpLog.Warn($"[VectorParsing] Failed to parse Quaternion from '{token}': {ex.Message}");
}
return null;
}
/// <summary>
/// Parses a JToken (array or object) into a Color.
/// Supports both [r, g, b, a] and {r: 1, g: 1, b: 1, a: 1} formats.
/// </summary>
/// <param name="token">The JSON token to parse</param>
/// <returns>The parsed Color or null if parsing fails</returns>
public static Color? ParseColor(JToken token)
{
if (token == null || token.Type == JTokenType.Null)
return null;
try
{
// Array format: [r, g, b, a] or [r, g, b]
if (token is JArray array)
{
if (array.Count >= 4)
{
return new Color(
array[0].ToObject<float>(),
array[1].ToObject<float>(),
array[2].ToObject<float>(),
array[3].ToObject<float>()
);
}
if (array.Count >= 3)
{
return new Color(
array[0].ToObject<float>(),
array[1].ToObject<float>(),
array[2].ToObject<float>(),
1f // Default alpha
);
}
}
// Object format: {r: 1, g: 1, b: 1, a: 1}
if (token is JObject obj && obj.ContainsKey("r") && obj.ContainsKey("g") && obj.ContainsKey("b"))
{
float a = obj.ContainsKey("a") ? obj["a"].ToObject<float>() : 1f;
return new Color(
obj["r"].ToObject<float>(),
obj["g"].ToObject<float>(),
obj["b"].ToObject<float>(),
a
);
}
}
catch (Exception ex)
{
McpLog.Warn($"[VectorParsing] Failed to parse Color from '{token}': {ex.Message}");
}
return null;
}
/// <summary>
/// Parses a JToken into a Color, returning Color.white if parsing fails and no default is specified.
/// </summary>
public static Color ParseColorOrDefault(JToken token) => ParseColor(token) ?? Color.white;
/// <summary>
/// Parses a JToken into a Color, returning the specified default if parsing fails.
/// </summary>
public static Color ParseColorOrDefault(JToken token, Color defaultValue) => ParseColor(token) ?? defaultValue;
/// <summary>
/// Parses a JToken into a Vector4, returning a default value if parsing fails.
/// Added for ManageVFX refactoring.
/// </summary>
public static Vector4 ParseVector4OrDefault(JToken token, Vector4 defaultValue = default)
{
return ParseVector4(token) ?? defaultValue;
}
/// <summary>
/// Parses a JToken into a Gradient.
/// Supports formats:
/// - Simple: {startColor: [r,g,b,a], endColor: [r,g,b,a]}
/// - Full: {colorKeys: [{color: [r,g,b,a], time: 0.0}, ...], alphaKeys: [{alpha: 1.0, time: 0.0}, ...]}
/// Added for ManageVFX refactoring.
/// </summary>
/// <param name="token">The JSON token to parse</param>
/// <returns>The parsed Gradient or null if parsing fails</returns>
public static Gradient ParseGradient(JToken token)
{
if (token == null || token.Type == JTokenType.Null)
return null;
try
{
Gradient gradient = new Gradient();
if (token is JObject obj)
{
// Simple format: {startColor: ..., endColor: ...}
if (obj.ContainsKey("startColor"))
{
Color startColor = ParseColorOrDefault(obj["startColor"]);
Color endColor = ParseColorOrDefault(obj["endColor"] ?? obj["startColor"]);
float startAlpha = obj["startAlpha"]?.ToObject<float>() ?? startColor.a;
float endAlpha = obj["endAlpha"]?.ToObject<float>() ?? endColor.a;
gradient.SetKeys(
new GradientColorKey[] { new GradientColorKey(startColor, 0f), new GradientColorKey(endColor, 1f) },
new GradientAlphaKey[] { new GradientAlphaKey(startAlpha, 0f), new GradientAlphaKey(endAlpha, 1f) }
);
return gradient;
}
// Full format: {colorKeys: [...], alphaKeys: [...]}
var colorKeys = new List<GradientColorKey>();
var alphaKeys = new List<GradientAlphaKey>();
if (obj["colorKeys"] is JArray colorKeysArr)
{
foreach (var key in colorKeysArr)
{
Color color = ParseColorOrDefault(key["color"]);
float time = key["time"]?.ToObject<float>() ?? 0f;
colorKeys.Add(new GradientColorKey(color, time));
}
}
if (obj["alphaKeys"] is JArray alphaKeysArr)
{
foreach (var key in alphaKeysArr)
{
float alpha = key["alpha"]?.ToObject<float>() ?? 1f;
float time = key["time"]?.ToObject<float>() ?? 0f;
alphaKeys.Add(new GradientAlphaKey(alpha, time));
}
}
// Ensure at least 2 keys
if (colorKeys.Count == 0)
{
colorKeys.Add(new GradientColorKey(Color.white, 0f));
colorKeys.Add(new GradientColorKey(Color.white, 1f));
}
if (alphaKeys.Count == 0)
{
alphaKeys.Add(new GradientAlphaKey(1f, 0f));
alphaKeys.Add(new GradientAlphaKey(1f, 1f));
}
gradient.SetKeys(colorKeys.ToArray(), alphaKeys.ToArray());
return gradient;
}
}
catch (Exception ex)
{
McpLog.Warn($"[VectorParsing] Failed to parse Gradient from '{token}': {ex.Message}");
}
return null;
}
/// <summary>
/// Parses a JToken into a Gradient, returning a default gradient if parsing fails.
/// Added for ManageVFX refactoring.
/// </summary>
public static Gradient ParseGradientOrDefault(JToken token)
{
var result = ParseGradient(token);
if (result != null) return result;
// Return default white gradient
var gradient = new Gradient();
gradient.SetKeys(
new GradientColorKey[] { new GradientColorKey(Color.white, 0f), new GradientColorKey(Color.white, 1f) },
new GradientAlphaKey[] { new GradientAlphaKey(1f, 0f), new GradientAlphaKey(1f, 1f) }
);
return gradient;
}
/// <summary>
/// Parses a JToken into an AnimationCurve.
///
/// <para><b>Supported formats:</b></para>
/// <list type="bullet">
/// <item>Constant: <c>1.0</c> (number) - Creates constant curve at that value</item>
/// <item>Simple: <c>{start: 0.0, end: 1.0}</c> or <c>{startValue: 0.0, endValue: 1.0}</c></item>
/// <item>Full: <c>{keys: [{time: 0, value: 1, inTangent: 0, outTangent: 0}, ...]}</c></item>
/// </list>
///
/// <para><b>Keyframe field defaults (for Full format):</b></para>
/// <list type="bullet">
/// <item><c>time</c> (float): <b>Default: 0</b></item>
/// <item><c>value</c> (float): <b>Default: 1</b> (note: differs from ManageScriptableObject which uses 0)</item>
/// <item><c>inTangent</c> (float): <b>Default: 0</b></item>
/// <item><c>outTangent</c> (float): <b>Default: 0</b></item>
/// </list>
///
/// <para><b>Note:</b> This method is used by ManageVFX. For ScriptableObject patching,
/// see <see cref="MCPForUnity.Editor.Tools.ManageScriptableObject"/> which has slightly different defaults.</para>
/// </summary>
/// <param name="token">The JSON token to parse</param>
/// <returns>The parsed AnimationCurve or null if parsing fails</returns>
public static AnimationCurve ParseAnimationCurve(JToken token)
{
if (token == null || token.Type == JTokenType.Null)
return null;
try
{
// Constant value: just a number
if (token.Type == JTokenType.Float || token.Type == JTokenType.Integer)
{
return AnimationCurve.Constant(0f, 1f, token.ToObject<float>());
}
if (token is JObject obj)
{
// Full format: {keys: [...]}
if (obj["keys"] is JArray keys)
{
AnimationCurve curve = new AnimationCurve();
foreach (var key in keys)
{
float time = key["time"]?.ToObject<float>() ?? 0f;
float value = key["value"]?.ToObject<float>() ?? 1f;
float inTangent = key["inTangent"]?.ToObject<float>() ?? 0f;
float outTangent = key["outTangent"]?.ToObject<float>() ?? 0f;
curve.AddKey(new Keyframe(time, value, inTangent, outTangent));
}
return curve;
}
// Simple format: {start: 0.0, end: 1.0} or {startValue: 0.0, endValue: 1.0}
if (obj.ContainsKey("start") || obj.ContainsKey("startValue") || obj.ContainsKey("end") || obj.ContainsKey("endValue"))
{
float startValue = obj["start"]?.ToObject<float>() ?? obj["startValue"]?.ToObject<float>() ?? 1f;
float endValue = obj["end"]?.ToObject<float>() ?? obj["endValue"]?.ToObject<float>() ?? 1f;
AnimationCurve curve = new AnimationCurve();
curve.AddKey(0f, startValue);
curve.AddKey(1f, endValue);
return curve;
}
}
}
catch (Exception ex)
{
McpLog.Warn($"[VectorParsing] Failed to parse AnimationCurve from '{token}': {ex.Message}");
}
return null;
}
/// <summary>
/// Parses a JToken into an AnimationCurve, returning a constant curve if parsing fails.
/// Added for ManageVFX refactoring.
/// </summary>
/// <param name="token">The JSON token to parse</param>
/// <param name="defaultValue">The constant value for the default curve</param>
public static AnimationCurve ParseAnimationCurveOrDefault(JToken token, float defaultValue = 1f)
{
return ParseAnimationCurve(token) ?? AnimationCurve.Constant(0f, 1f, defaultValue);
}
/// <summary>
/// Validates AnimationCurve JSON format without parsing it.
/// Used by dry-run validation to provide early feedback on format errors.
///
/// <para><b>Validated formats:</b></para>
/// <list type="bullet">
/// <item>Wrapped: <c>{ "keys": [ { "time": 0, "value": 1.0 }, ... ] }</c></item>
/// <item>Direct array: <c>[ { "time": 0, "value": 1.0 }, ... ]</c></item>
/// <item>Null/empty: Valid (will set empty curve)</item>
/// </list>
/// </summary>
/// <param name="valueToken">The JSON value to validate</param>
/// <param name="message">Output message describing validation result or error</param>
/// <returns>True if format is valid, false otherwise</returns>
public static bool ValidateAnimationCurveFormat(JToken valueToken, out string message)
{
message = null;
if (valueToken == null || valueToken.Type == JTokenType.Null)
{
message = "Value format valid (will set empty curve).";
return true;
}
JArray keysArray = null;
if (valueToken is JObject curveObj)
{
keysArray = curveObj["keys"] as JArray;
if (keysArray == null)
{
message = "AnimationCurve object requires 'keys' array. Expected: { \"keys\": [ { \"time\": 0, \"value\": 0 }, ... ] }";
return false;
}
}
else if (valueToken is JArray directArray)
{
keysArray = directArray;
}
else
{
message = "AnimationCurve requires object with 'keys' or array of keyframes. " +
"Expected: { \"keys\": [ { \"time\": 0, \"value\": 0, \"inSlope\": 0, \"outSlope\": 0 }, ... ] }";
return false;
}
// Validate each keyframe
for (int i = 0; i < keysArray.Count; i++)
{
var keyToken = keysArray[i];
if (keyToken is not JObject keyObj)
{
message = $"Keyframe at index {i} must be an object with 'time' and 'value'.";
return false;
}
// Validate numeric fields if present
string[] numericFields = { "time", "value", "inSlope", "outSlope", "inTangent", "outTangent", "inWeight", "outWeight" };
foreach (var field in numericFields)
{
if (!ParamCoercion.ValidateNumericField(keyObj, field, out var fieldError))
{
message = $"Keyframe[{i}].{field}: {fieldError}";
return false;
}
}
if (!ParamCoercion.ValidateIntegerField(keyObj, "weightedMode", out var weightedModeError))
{
message = $"Keyframe[{i}].weightedMode: {weightedModeError}";
return false;
}
}
message = $"Value format valid (AnimationCurve with {keysArray.Count} keyframes). " +
"Note: Missing keyframe fields default to 0 (time, value, inSlope, outSlope, inWeight, outWeight).";
return true;
}
/// <summary>
/// Validates Quaternion JSON format without parsing it.
/// Used by dry-run validation to provide early feedback on format errors.
///
/// <para><b>Validated formats:</b></para>
/// <list type="bullet">
/// <item>Euler array: <c>[x, y, z]</c> - 3 numeric elements</item>
/// <item>Raw quaternion: <c>[x, y, z, w]</c> - 4 numeric elements</item>
/// <item>Object: <c>{ "x": 0, "y": 0, "z": 0, "w": 1 }</c></item>
/// <item>Explicit euler: <c>{ "euler": [x, y, z] }</c></item>
/// <item>Null/empty: Valid (will set identity)</item>
/// </list>
/// </summary>
/// <param name="valueToken">The JSON value to validate</param>
/// <param name="message">Output message describing validation result or error</param>
/// <returns>True if format is valid, false otherwise</returns>
public static bool ValidateQuaternionFormat(JToken valueToken, out string message)
{
message = null;
if (valueToken == null || valueToken.Type == JTokenType.Null)
{
message = "Value format valid (will set identity quaternion).";
return true;
}
if (valueToken is JArray arr)
{
if (arr.Count == 3)
{
// Validate Euler angles [x, y, z]
for (int i = 0; i < 3; i++)
{
if (!ParamCoercion.IsNumericToken(arr[i]))
{
message = $"Euler angle at index {i} must be a number.";
return false;
}
}
message = "Value format valid (Quaternion from Euler angles [x, y, z]).";
return true;
}
else if (arr.Count == 4)
{
// Validate raw quaternion [x, y, z, w]
for (int i = 0; i < 4; i++)
{
if (!ParamCoercion.IsNumericToken(arr[i]))
{
message = $"Quaternion component at index {i} must be a number.";
return false;
}
}
message = "Value format valid (Quaternion from [x, y, z, w]).";
return true;
}
else
{
message = "Quaternion array must have 3 elements (Euler angles) or 4 elements (x, y, z, w).";
return false;
}
}
else if (valueToken is JObject obj)
{
// Check for explicit euler property
if (obj["euler"] is JArray eulerArr)
{
if (eulerArr.Count != 3)
{
message = "Quaternion euler array must have exactly 3 elements [x, y, z].";
return false;
}
for (int i = 0; i < 3; i++)
{
if (!ParamCoercion.IsNumericToken(eulerArr[i]))
{
message = $"Euler angle at index {i} must be a number.";
return false;
}
}
message = "Value format valid (Quaternion from { euler: [x, y, z] }).";
return true;
}
// Object format { x, y, z, w }
if (obj["x"] != null && obj["y"] != null && obj["z"] != null && obj["w"] != null)
{
if (!ParamCoercion.IsNumericToken(obj["x"]) || !ParamCoercion.IsNumericToken(obj["y"]) ||
!ParamCoercion.IsNumericToken(obj["z"]) || !ParamCoercion.IsNumericToken(obj["w"]))
{
message = "Quaternion { x, y, z, w } fields must all be numbers.";
return false;
}
message = "Value format valid (Quaternion from { x, y, z, w }).";
return true;
}
message = "Quaternion object must have { x, y, z, w } or { euler: [x, y, z] }.";
return false;
}
else
{
message = "Quaternion requires array [x,y,z] (Euler), [x,y,z,w] (raw), or object { x, y, z, w }.";
return false;
}
}
/// <summary>
/// Parses a JToken into a Rect.
/// Supports {x, y, width, height} format.
/// </summary>
public static Rect? ParseRect(JToken token)
{
if (token == null || token.Type == JTokenType.Null)
return null;
try
{
if (token is JObject obj &&
obj.ContainsKey("x") && obj.ContainsKey("y") &&
obj.ContainsKey("width") && obj.ContainsKey("height"))
{
return new Rect(
obj["x"].ToObject<float>(),
obj["y"].ToObject<float>(),
obj["width"].ToObject<float>(),
obj["height"].ToObject<float>()
);
}
// Array format: [x, y, width, height]
if (token is JArray array && array.Count >= 4)
{
return new Rect(
array[0].ToObject<float>(),
array[1].ToObject<float>(),
array[2].ToObject<float>(),
array[3].ToObject<float>()
);
}
}
catch (Exception ex)
{
McpLog.Warn($"[VectorParsing] Failed to parse Rect from '{token}': {ex.Message}");
}
return null;
}
/// <summary>
/// Parses a JToken into a Bounds.
/// Supports {center: {x,y,z}, size: {x,y,z}} format.
/// </summary>
public static Bounds? ParseBounds(JToken token)
{
if (token == null || token.Type == JTokenType.Null)
return null;
try
{
if (token is JObject obj && obj.ContainsKey("center") && obj.ContainsKey("size"))
{
var center = ParseVector3(obj["center"]) ?? Vector3.zero;
var size = ParseVector3(obj["size"]) ?? Vector3.zero;
return new Bounds(center, size);
}
}
catch (Exception ex)
{
McpLog.Warn($"[VectorParsing] Failed to parse Bounds from '{token}': {ex.Message}");
}
return null;
}
}
}
