Rasagar/Library/PackageCache/com.unity.cinemachine/Editor/Editors/CinemachineTransposerEditor.cs

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

namespace Cinemachine.Editor
{
    [CustomEditor(typeof(CinemachineTransposer))]
    [CanEditMultipleObjects]
    internal class CinemachineTransposerEditor : BaseEditor<CinemachineTransposer>
    {
        /// <summary>Get the property names to exclude in the inspector.</summary>
        /// <param name="excluded">Add the names to this list</param>
        protected override void GetExcludedPropertiesInInspector(List<string> excluded)
        {
            base.GetExcludedPropertiesInInspector(excluded);

            switch (Target.m_BindingMode)
            {
                default:
                case CinemachineTransposer.BindingMode.LockToTarget:
                    if (Target.m_AngularDampingMode == CinemachineTransposer.AngularDampingMode.Euler)
                        excluded.Add(FieldPath(x => x.m_AngularDamping));
                    else
                    {
                        excluded.Add(FieldPath(x => x.m_PitchDamping));
                        excluded.Add(FieldPath(x => x.m_YawDamping));
                        excluded.Add(FieldPath(x => x.m_RollDamping));
                    }
                    break;
                case CinemachineTransposer.BindingMode.LockToTargetNoRoll:
                    excluded.Add(FieldPath(x => x.m_RollDamping));
                    excluded.Add(FieldPath(x => x.m_AngularDamping));
                    excluded.Add(FieldPath(x => x.m_AngularDampingMode));
                    break;
                case CinemachineTransposer.BindingMode.LockToTargetWithWorldUp:
                    excluded.Add(FieldPath(x => x.m_PitchDamping));
                    excluded.Add(FieldPath(x => x.m_RollDamping));
                    excluded.Add(FieldPath(x => x.m_AngularDamping));
                    excluded.Add(FieldPath(x => x.m_AngularDampingMode));
                    break;
                case CinemachineTransposer.BindingMode.LockToTargetOnAssign:
                case CinemachineTransposer.BindingMode.WorldSpace:
                    excluded.Add(FieldPath(x => x.m_PitchDamping));
                    excluded.Add(FieldPath(x => x.m_YawDamping));
                    excluded.Add(FieldPath(x => x.m_RollDamping));
                    excluded.Add(FieldPath(x => x.m_AngularDamping));
                    excluded.Add(FieldPath(x => x.m_AngularDampingMode));
                    break;
                case CinemachineTransposer.BindingMode.SimpleFollowWithWorldUp:
                    excluded.Add(FieldPath(x => x.m_XDamping));
                    excluded.Add(FieldPath(x => x.m_PitchDamping));
                    excluded.Add(FieldPath(x => x.m_YawDamping));
                    excluded.Add(FieldPath(x => x.m_RollDamping));
                    excluded.Add(FieldPath(x => x.m_AngularDamping));
                    excluded.Add(FieldPath(x => x.m_AngularDampingMode));
                    break;
            }
            if (Target.HideOffsetInInspector)
                excluded.Add(FieldPath(x => x.m_FollowOffset));
        }

        public override void OnInspectorGUI()
        {
            BeginInspector();
            bool needWarning = false;
            for (int i = 0; !needWarning && i < targets.Length; ++i)
                needWarning = (targets[i] as CinemachineTransposer).FollowTarget == null;
            if (needWarning)
                EditorGUILayout.HelpBox(
                    "Transposer requires a Follow Target.  Change Body to Do Nothing if you don't want a Follow target.",
                    MessageType.Warning);
            DrawRemainingPropertiesInInspector();
        }
#if UNITY_2021_2_OR_NEWER
        void OnSceneGUI()
        {
            DrawSceneTools();
        }
        
        protected virtual void OnEnable()
        {
            CinemachineSceneToolUtility.RegisterTool(typeof(FollowOffsetTool));
        }

        protected virtual void OnDisable()
        {
            CinemachineSceneToolUtility.UnregisterTool(typeof(FollowOffsetTool));
        }
        
        void DrawSceneTools()
        {
            var transposer = Target;
            if (transposer == null || !transposer.IsValid)
            {
                return;
            }

            if (CinemachineSceneToolUtility.IsToolActive(typeof(FollowOffsetTool)))
            {
                CinemachineSceneToolHelpers.TransposerFollowOffsetTool(transposer);
            }
        }
#endif
    }
}