Cielonos/Assets/Scripts/MainGame/Base/FunctionalAnimation/Payloads/SetRootAdsorptionAdjustment.cs

using System;
using Cielonos.MainGame.Characters;
using Sirenix.OdinInspector;
using SLSUtilities.FunctionalAnimation;
using UnityEngine;

namespace Cielonos.MainGame.FunctionalAnimation
{
    [Serializable]
    public class SetRootAdsorptionAdjustment : FuncAnimPayloadBase<bool>
    {
        [InfoBox("这个payload只能在运行时由代码调用，不能直接放在动画事件里使用")]
        private CharacterBase executor => runtimeFuncAnim.executor;
        private CharacterBase target;
        private float enableMinDistance;
        
        public SetRootAdsorptionAdjustment(CharacterBase target, float enableMinDistance)
        {
            this.eventName = "SetRootAdsorptionAdjustment";
            this.target = target;
            this.enableMinDistance = enableMinDistance;
        }

        public override bool Invoke()
        {
            return Adsorption();
        }

        bool Adsorption()
        {
            if (target == null || executor == null)
            {
                return false;
            }
            
            Vector3 centerPointPosition = executor.flexibleCenterPoint.position;
            Vector3 adsorptionVector;
                
            /*if (target.collisionController.mainCollider.enabled)
            {
                adsorptionVector = target.collisionController.mainCollider.ClosestPoint(centerPointPosition) - centerPointPosition;
            }
            else*/
            {
                float targetRadius = target.collisionSc.useCharacterController
                    ? target.collisionSc.characterController.radius
                    : target.collisionSc.mainColliderRadius;
                Vector3 adsorptionDirection = (target.flexibleCenterPoint.position - centerPointPosition).normalized;
                adsorptionVector = (target.flexibleCenterPoint.position - adsorptionDirection * targetRadius) - centerPointPosition;
                adsorptionVector *= (adsorptionVector.magnitude - (enableMinDistance * 0.5f)) / adsorptionVector.magnitude;
            }

            adsorptionVector.y = 0;
                
            if (adsorptionVector.magnitude <= enableMinDistance)
            {
                executor.animationSc.isDisablingMoveXZ = true;
                return true; //已经在攻击范围内
            }

            return false; //在攻击范围之外，RootMotion生效
        }
    }
}