using System;
using System.Collections.Generic;
using MCPForUnity.Editor.Helpers;
using Newtonsoft.Json.Linq;
using UnityEditor;
using UnityEngine;
namespace MCPForUnity.Editor.Tools.Vfx
{
internal static class TrailWrite
{
public static object SetTime(JObject @params)
{
TrailRenderer tr = TrailRead.FindTrailRenderer(@params);
if (tr == null) return new { success = false, message = "TrailRenderer not found" };
RendererHelpers.EnsureMaterial(tr);
float time = @params["time"]?.ToObject<float>() ?? 5f;
Undo.RecordObject(tr, "Set Trail Time");
tr.time = time;
EditorUtility.SetDirty(tr);
return new { success = true, message = $"Set trail time to {time}s" };
}
public static object SetWidth(JObject @params)
{
TrailRenderer tr = TrailRead.FindTrailRenderer(@params);
if (tr == null) return new { success = false, message = "TrailRenderer not found" };
RendererHelpers.EnsureMaterial(tr);
Undo.RecordObject(tr, "Set Trail Width");
var changes = new List<string>();
RendererHelpers.ApplyWidthProperties(@params, changes,
v => tr.startWidth = v, v => tr.endWidth = v,
v => tr.widthCurve = v, v => tr.widthMultiplier = v,
ManageVfxCommon.ParseAnimationCurve);
EditorUtility.SetDirty(tr);
return new { success = true, message = $"Updated: {string.Join(", ", changes)}" };
}
public static object SetColor(JObject @params)
{
TrailRenderer tr = TrailRead.FindTrailRenderer(@params);
if (tr == null) return new { success = false, message = "TrailRenderer not found" };
RendererHelpers.EnsureMaterial(tr);
Undo.RecordObject(tr, "Set Trail Color");
var changes = new List<string>();
RendererHelpers.ApplyColorProperties(@params, changes,
v => tr.startColor = v, v => tr.endColor = v,
v => tr.colorGradient = v,
ManageVfxCommon.ParseColor, ManageVfxCommon.ParseGradient, fadeEndAlpha: true);
EditorUtility.SetDirty(tr);
return new { success = true, message = $"Updated: {string.Join(", ", changes)}" };
}
public static object SetMaterial(JObject @params)
{
TrailRenderer tr = TrailRead.FindTrailRenderer(@params);
return RendererHelpers.SetRendererMaterial(tr, @params, "Set Trail Material", ManageVfxCommon.FindMaterialByPath);
}
public static object SetProperties(JObject @params)
{
TrailRenderer tr = TrailRead.FindTrailRenderer(@params);
if (tr == null) return new { success = false, message = "TrailRenderer not found" };
RendererHelpers.EnsureMaterial(tr);
Undo.RecordObject(tr, "Set Trail Properties");
var changes = new List<string>();
// Handle material if provided
if (@params["materialPath"] != null)
{
Material mat = ManageVfxCommon.FindMaterialByPath(@params["materialPath"].ToString());
if (mat != null)
{
tr.sharedMaterial = mat;
changes.Add($"material={mat.name}");
}
else
{
McpLog.Warn($"Material not found: {@params["materialPath"]}");
}
}
// Handle time if provided
if (@params["time"] != null) { tr.time = @params["time"].ToObject<float>(); changes.Add("time"); }
// Handle width properties if provided
if (@params["width"] != null || @params["startWidth"] != null || @params["endWidth"] != null)
{
if (@params["width"] != null)
{
float w = @params["width"].ToObject<float>();
tr.startWidth = w;
tr.endWidth = w;
changes.Add("width");
}
if (@params["startWidth"] != null) { tr.startWidth = @params["startWidth"].ToObject<float>(); changes.Add("startWidth"); }
if (@params["endWidth"] != null) { tr.endWidth = @params["endWidth"].ToObject<float>(); changes.Add("endWidth"); }
}
if (@params["minVertexDistance"] != null) { tr.minVertexDistance = @params["minVertexDistance"].ToObject<float>(); changes.Add("minVertexDistance"); }
if (@params["autodestruct"] != null) { tr.autodestruct = @params["autodestruct"].ToObject<bool>(); changes.Add("autodestruct"); }
if (@params["emitting"] != null) { tr.emitting = @params["emitting"].ToObject<bool>(); changes.Add("emitting"); }
RendererHelpers.ApplyLineTrailProperties(@params, changes,
null, null,
v => tr.numCornerVertices = v, v => tr.numCapVertices = v,
v => tr.alignment = v, v => tr.textureMode = v,
v => tr.generateLightingData = v);
RendererHelpers.ApplyCommonRendererProperties(tr, @params, changes);
EditorUtility.SetDirty(tr);
return new { success = true, message = $"Updated: {string.Join(", ", changes)}" };
}
}
}
