using Newtonsoft.Json.Linq;
using UnityEngine;
namespace MCPForUnity.Editor.Tools.Vfx
{
internal static class ParticleCommon
{
public static ParticleSystem FindParticleSystem(JObject @params)
{
GameObject go = ManageVfxCommon.FindTargetGameObject(@params);
return go?.GetComponent<ParticleSystem>();
}
public static ParticleSystem.MinMaxCurve ParseMinMaxCurve(JToken token, float defaultValue = 1f)
{
if (token == null)
return new ParticleSystem.MinMaxCurve(defaultValue);
if (token.Type == JTokenType.Float || token.Type == JTokenType.Integer)
{
return new ParticleSystem.MinMaxCurve(token.ToObject<float>());
}
if (token is JObject obj)
{
string mode = obj["mode"]?.ToString()?.ToLowerInvariant() ?? "constant";
switch (mode)
{
case "constant":
float constant = obj["value"]?.ToObject<float>() ?? defaultValue;
return new ParticleSystem.MinMaxCurve(constant);
case "random_between_constants":
case "two_constants":
float min = obj["min"]?.ToObject<float>() ?? 0f;
float max = obj["max"]?.ToObject<float>() ?? 1f;
return new ParticleSystem.MinMaxCurve(min, max);
case "curve":
AnimationCurve curve = ManageVfxCommon.ParseAnimationCurve(obj, defaultValue);
return new ParticleSystem.MinMaxCurve(obj["multiplier"]?.ToObject<float>() ?? 1f, curve);
default:
return new ParticleSystem.MinMaxCurve(defaultValue);
}
}
return new ParticleSystem.MinMaxCurve(defaultValue);
}
public static ParticleSystem.MinMaxGradient ParseMinMaxGradient(JToken token)
{
if (token == null)
return new ParticleSystem.MinMaxGradient(Color.white);
if (token is JArray arr && arr.Count >= 3)
{
return new ParticleSystem.MinMaxGradient(ManageVfxCommon.ParseColor(arr));
}
if (token is JObject obj)
{
string mode = obj["mode"]?.ToString()?.ToLowerInvariant() ?? "color";
switch (mode)
{
case "color":
return new ParticleSystem.MinMaxGradient(ManageVfxCommon.ParseColor(obj["color"]));
case "two_colors":
Color colorMin = ManageVfxCommon.ParseColor(obj["colorMin"]);
Color colorMax = ManageVfxCommon.ParseColor(obj["colorMax"]);
return new ParticleSystem.MinMaxGradient(colorMin, colorMax);
case "gradient":
return new ParticleSystem.MinMaxGradient(ManageVfxCommon.ParseGradient(obj));
default:
return new ParticleSystem.MinMaxGradient(Color.white);
}
}
return new ParticleSystem.MinMaxGradient(Color.white);
}
}
}
