SpaceshipDemo/Assets/VFX/Scripts/VFXVolumeMixer/Editor/VFXVolumeMixerEditor.cs

using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEditor.Rendering;
using UnityEngine;

[VolumeComponentEditor(typeof(VFXVolumeMixer))]
public class VFXVolumeMixerEditor : VolumeComponentEditor
{
    SerializedDataParameter[] m_CustomFloatParameters;
    SerializedDataParameter[] m_CustomVectorParameters;
    SerializedDataParameter[] m_CustomColorParameters;

    public override void OnEnable()
    {
        base.OnEnable();
        var o = new PropertyFetcher<VFXVolumeMixer>(serializedObject);

        m_CustomFloatParameters = new SerializedDataParameter[8]
        {
            Unpack(o.Find(x => x.CustomFloatParameter1)),
            Unpack(o.Find(x => x.CustomFloatParameter2)),
            Unpack(o.Find(x => x.CustomFloatParameter3)),
            Unpack(o.Find(x => x.CustomFloatParameter4)),
            Unpack(o.Find(x => x.CustomFloatParameter5)),
            Unpack(o.Find(x => x.CustomFloatParameter6)),
            Unpack(o.Find(x => x.CustomFloatParameter7)),
            Unpack(o.Find(x => x.CustomFloatParameter8))
        };

        m_CustomVectorParameters = new SerializedDataParameter[8]
        {
            Unpack(o.Find(x => x.CustomVector3Parameter1)),
            Unpack(o.Find(x => x.CustomVector3Parameter2)),
            Unpack(o.Find(x => x.CustomVector3Parameter3)),
            Unpack(o.Find(x => x.CustomVector3Parameter4)),
            Unpack(o.Find(x => x.CustomVector3Parameter5)),
            Unpack(o.Find(x => x.CustomVector3Parameter6)),
            Unpack(o.Find(x => x.CustomVector3Parameter7)),
            Unpack(o.Find(x => x.CustomVector3Parameter8))
        };

        m_CustomColorParameters = new SerializedDataParameter[8]
        {
            Unpack(o.Find(x => x.CustomColorParameter1)),
            Unpack(o.Find(x => x.CustomColorParameter2)),
            Unpack(o.Find(x => x.CustomColorParameter3)),
            Unpack(o.Find(x => x.CustomColorParameter4)),
            Unpack(o.Find(x => x.CustomColorParameter5)),
            Unpack(o.Find(x => x.CustomColorParameter6)),
            Unpack(o.Find(x => x.CustomColorParameter7)),
            Unpack(o.Find(x => x.CustomColorParameter8))
        };
    }

    public override void OnInspectorGUI()
    {
        EditorGUILayout.LabelField("Float Properties", EditorStyles.boldLabel);
        for(int i = 0; i < VFXVolumeMixerSettings.floatPropertyCount; i++)
        {
            NamedPropertyField(m_CustomFloatParameters[i], VFXVolumeMixerSettings.floatPropertyNames[i]);
        }
        EditorGUILayout.Space();

        EditorGUILayout.LabelField("Vector Properties", EditorStyles.boldLabel);
        for (int i = 0; i < VFXVolumeMixerSettings.vectorPropertyCount; i++)
        {
            NamedPropertyField(m_CustomVectorParameters[i], VFXVolumeMixerSettings.vectorPropertyNames[i]);
        }
        EditorGUILayout.Space();

        EditorGUILayout.LabelField("Color Properties", EditorStyles.boldLabel);
        for (int i = 0; i < VFXVolumeMixerSettings.colorPropertyCount; i++)
        {
            NamedPropertyField(m_CustomColorParameters[i], VFXVolumeMixerSettings.colorPropertyNames[i]);
        }
    }

    void NamedPropertyField(SerializedDataParameter parameter, string label)
    {
        PropertyField(parameter, new GUIContent(label));
    }
}