using System;
using Newtonsoft.Json.Linq;
using UnityEditor;
using UnityEngine;
namespace MCPForUnity.Editor.Tools.Vfx
{
internal static class ParticleControl
{
public static object EnableModule(JObject @params)
{
ParticleSystem ps = ParticleCommon.FindParticleSystem(@params);
if (ps == null) return new { success = false, message = "ParticleSystem not found" };
string moduleName = @params["module"]?.ToString()?.ToLowerInvariant();
bool enabled = @params["enabled"]?.ToObject<bool>() ?? true;
if (string.IsNullOrEmpty(moduleName)) return new { success = false, message = "Module name required" };
Undo.RecordObject(ps, $"Toggle {moduleName}");
switch (moduleName.Replace("_", ""))
{
case "emission": var em = ps.emission; em.enabled = enabled; break;
case "shape": var sh = ps.shape; sh.enabled = enabled; break;
case "coloroverlifetime": var col = ps.colorOverLifetime; col.enabled = enabled; break;
case "sizeoverlifetime": var sol = ps.sizeOverLifetime; sol.enabled = enabled; break;
case "velocityoverlifetime": var vol = ps.velocityOverLifetime; vol.enabled = enabled; break;
case "noise": var n = ps.noise; n.enabled = enabled; break;
case "collision": var coll = ps.collision; coll.enabled = enabled; break;
case "trails": var tr = ps.trails; tr.enabled = enabled; break;
case "lights": var li = ps.lights; li.enabled = enabled; break;
default: return new { success = false, message = $"Unknown module: {moduleName}" };
}
EditorUtility.SetDirty(ps);
return new { success = true, message = $"Module '{moduleName}' {(enabled ? "enabled" : "disabled")}" };
}
public static object Control(JObject @params, string action)
{
ParticleSystem ps = ParticleCommon.FindParticleSystem(@params);
if (ps == null) return new { success = false, message = "ParticleSystem not found" };
bool withChildren = @params["withChildren"]?.ToObject<bool>() ?? true;
switch (action)
{
case "play": ps.Play(withChildren); break;
case "stop": ps.Stop(withChildren, ParticleSystemStopBehavior.StopEmitting); break;
case "pause": ps.Pause(withChildren); break;
case "restart": ps.Stop(withChildren, ParticleSystemStopBehavior.StopEmittingAndClear); ps.Play(withChildren); break;
case "clear": ps.Clear(withChildren); break;
default: return new { success = false, message = $"Unknown action: {action}" };
}
return new { success = true, message = $"ParticleSystem {action}" };
}
public static object AddBurst(JObject @params)
{
ParticleSystem ps = ParticleCommon.FindParticleSystem(@params);
if (ps == null) return new { success = false, message = "ParticleSystem not found" };
Undo.RecordObject(ps, "Add Burst");
var emission = ps.emission;
float time = @params["time"]?.ToObject<float>() ?? 0f;
int minCountRaw = @params["minCount"]?.ToObject<int>() ?? @params["count"]?.ToObject<int>() ?? 30;
int maxCountRaw = @params["maxCount"]?.ToObject<int>() ?? @params["count"]?.ToObject<int>() ?? 30;
short minCount = (short)Math.Clamp(minCountRaw, 0, short.MaxValue);
short maxCount = (short)Math.Clamp(maxCountRaw, 0, short.MaxValue);
int cycles = @params["cycles"]?.ToObject<int>() ?? 1;
float interval = @params["interval"]?.ToObject<float>() ?? 0.01f;
var burst = new ParticleSystem.Burst(time, minCount, maxCount, cycles, interval);
burst.probability = @params["probability"]?.ToObject<float>() ?? 1f;
int idx = emission.burstCount;
var bursts = new ParticleSystem.Burst[idx + 1];
emission.GetBursts(bursts);
bursts[idx] = burst;
emission.SetBursts(bursts);
EditorUtility.SetDirty(ps);
return new { success = true, message = $"Added burst at t={time}", burstIndex = idx };
}
public static object ClearBursts(JObject @params)
{
ParticleSystem ps = ParticleCommon.FindParticleSystem(@params);
if (ps == null) return new { success = false, message = "ParticleSystem not found" };
Undo.RecordObject(ps, "Clear Bursts");
var emission = ps.emission;
int count = emission.burstCount;
emission.SetBursts(new ParticleSystem.Burst[0]);
EditorUtility.SetDirty(ps);
return new { success = true, message = $"Cleared {count} bursts" };
}
}
}
