360 lines
13 KiB
C#
360 lines
13 KiB
C#
using System.Collections.Generic;
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using Components;
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using CustomUtility;
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using Definition.DataStruct;
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using Definition.Enum;
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using DG.Tweening;
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using Entity.EntityData;
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using UnityEngine;
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using UnityGameFramework.Runtime;
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namespace Entity.Weapon
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{
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public partial class WeaponLance : WeaponBase
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{
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// 长枪专用数据，包含强类型 ParamsData。
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[SerializeField] private WeaponLanceData _weaponData;
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private Quaternion _cachedRotation;
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// 朝向目标时的旋转速度，可被 ParamsData.RotateSpeed 覆盖。
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[SerializeField] private float _rotateSpeed = 5f;
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private Sequence _attackSequence;
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private Transform _attackParent;
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// 前刺动画耗时。
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[SerializeField] private float _attackDuration = 0.12f;
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// 收枪返回耗时。
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[SerializeField] private float _returnDuration = 0.18f;
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[SerializeField] private LayerMask _hitMask = ~0;
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[SerializeField] private int _maxHitColliders = 32;
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private IWeaponAttackEffect _attackEffect;
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private Collider[] _hitResults;
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private readonly HashSet<int> _hitEntityIds = new();
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// 前戳矩形判定的横向半宽。
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private float _hitHalfWidth;
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// 前戳矩形判定盒体的总高度。
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private float _hitHeight;
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// 盒体中心相对战斗平面的高度偏移。
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private float _hitCenterYOffset;
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// 从判定起点向前延伸的有效刺击长度。
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private float _pierceLength;
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// 判定起点相对武器当前位置的前移量。
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private float _forwardOffset;
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// 本次攻击锁定的前戳方向，避免受位移动画中的武器位置影响。
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private Vector3 _strikeDirection = Vector3.forward;
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// 本次攻击锁定的矩形判定中心。
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private Vector3 _strikeCenter;
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public override ImpactData GetImpactData()
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{
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return new ImpactData(_weaponData.OwnerCamp, _weaponData.Attack, AttackStat);
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}
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protected override void BuildStates()
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{
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RegisterState(new IdleState());
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RegisterState(new CheckInRangeState());
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RegisterState(new CheckOutRangeState());
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RegisterState(new AttackState());
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}
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protected override void Attack()
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{
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StopAttackTween(false);
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FaceTargetImmediately();
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CacheStrikeSnapshot();
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_isAttacking = true;
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_attackParent = CachedTransform.parent;
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CachedTransform.SetParent(null);
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Vector3 targetPos = CachedTransform.position + _strikeDirection * _pierceLength;
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_attackSequence = DOTween.Sequence();
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_attackSequence.Append(CachedTransform.DOMove(targetPos, _attackDuration).SetEase(Ease.OutQuad));
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_attackSequence.AppendCallback(() =>
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{
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_attackEffect?.Play(this, _strikeCenter, _target, _hitHalfWidth);
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ApplyPierceDamage();
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if (_attackParent != null)
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{
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CachedTransform.SetParent(_attackParent);
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}
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});
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_attackSequence.Append(CachedTransform.DOLocalMove(Vector3.zero, _returnDuration).SetEase(Ease.InQuad));
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_attackSequence.AppendCallback(() =>
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{
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_isAttacking = false;
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_attackSequence = null;
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_attackParent = null;
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});
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}
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protected override void Check()
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{
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_target = SelectTarget(_sqrRange);
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}
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private void RotateToTarget(float elapseSeconds)
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{
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if (_target == null || !_target.Available) return;
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Vector3 directionToTarget = _target.CachedTransform.position - CachedTransform.position;
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directionToTarget.y = 0f;
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if (directionToTarget.sqrMagnitude <= Mathf.Epsilon) return;
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Quaternion targetRotation = Quaternion.LookRotation(directionToTarget.normalized, Vector3.up);
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CachedTransform.rotation =
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Quaternion.Slerp(CachedTransform.rotation, targetRotation, _rotateSpeed * elapseSeconds);
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}
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private void RotateToOrigin(float elapseSeconds)
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{
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CachedTransform.rotation =
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Quaternion.Slerp(CachedTransform.rotation, _cachedRotation, _rotateSpeed * elapseSeconds);
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}
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private void FaceTargetImmediately()
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{
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if (_target == null || !_target.Available) return;
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Vector3 directionToTarget = _target.CachedTransform.position - CachedTransform.position;
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directionToTarget.y = 0f;
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if (directionToTarget.sqrMagnitude <= Mathf.Epsilon) return;
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CachedTransform.rotation = Quaternion.LookRotation(directionToTarget.normalized, Vector3.up);
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}
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private void CacheStrikeSnapshot()
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{
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_strikeDirection = ResolvePlanarForward();
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Vector3 strikeStart = CachedTransform.position;
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strikeStart.y = ResolveStrikePlaneY();
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strikeStart += _strikeDirection * _forwardOffset;
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_strikeCenter = strikeStart + _strikeDirection * (_pierceLength * 0.5f);
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_strikeCenter.y += _hitCenterYOffset;
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}
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private Vector3 ResolvePlanarForward()
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{
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Vector3 forward = CachedTransform.forward;
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forward.y = 0f;
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if (forward.sqrMagnitude <= Mathf.Epsilon)
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{
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forward = Vector3.forward;
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}
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forward.Normalize();
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return forward;
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}
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private void ApplyPierceDamage()
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{
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if (_hitHalfWidth <= 0f || _pierceLength <= 0f) return;
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Vector3 strikeDirection = _strikeDirection;
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if (strikeDirection.sqrMagnitude <= Mathf.Epsilon) return;
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Vector3 broadPhaseCenter = _strikeCenter;
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Quaternion broadPhaseRotation = Quaternion.LookRotation(strikeDirection, Vector3.up);
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if (TryQueueRectangleCollisionQuery(broadPhaseCenter, _hitHalfWidth, _pierceLength * 0.5f,
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strikeDirection, Mathf.Max(1, _maxHitColliders)))
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{
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_hitEntityIds.Clear();
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return;
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}
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int capacity = Mathf.Max(1, _maxHitColliders);
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if (_hitResults == null || _hitResults.Length != capacity)
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{
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_hitResults = new Collider[capacity];
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}
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Vector3 halfExtents = new(_hitHalfWidth, _hitHeight * 0.5f, _pierceLength * 0.5f);
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int hitCount = Physics.OverlapBoxNonAlloc(broadPhaseCenter, halfExtents, _hitResults, broadPhaseRotation,
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_hitMask, QueryTriggerInteraction.Collide);
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_hitEntityIds.Clear();
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for (int i = 0; i < hitCount; i++)
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{
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Collider collider = _hitResults[i];
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if (collider == null) continue;
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TargetableObject targetable = collider.GetComponentInParent<TargetableObject>();
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if (targetable == null || !targetable.Available || targetable.IsDead) continue;
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if (!_hitEntityIds.Add(targetable.Id)) continue;
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if (!IsTargetInsidePierce(targetable, broadPhaseCenter, strikeDirection)) continue;
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AIUtility.PerformCollision(targetable, this);
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}
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}
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private bool IsTargetInsidePierce(TargetableObject targetable, Vector3 strikeCenter, Vector3 strikeDirection)
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{
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Vector3 delta = targetable.CachedTransform.position - strikeCenter;
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delta.y = 0f;
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Vector3 right = Vector3.Cross(Vector3.up, strikeDirection);
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float forwardDistance = Vector3.Dot(delta, strikeDirection);
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float lateralDistance = Vector3.Dot(delta, right);
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float targetRadius = ResolveTargetCollisionRadius(targetable);
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return Mathf.Abs(forwardDistance) <= _pierceLength * 0.5f + targetRadius &&
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Mathf.Abs(lateralDistance) <= _hitHalfWidth + targetRadius;
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}
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private static float ResolveTargetCollisionRadius(TargetableObject targetable)
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{
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if (targetable == null)
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{
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return 0f;
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}
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MovementComponent movementComponent = targetable.GetComponent<MovementComponent>();
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return movementComponent != null ? Mathf.Max(0f, movementComponent.EnemyBodyRadius) : 0f;
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}
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private float ResolveStrikePlaneY()
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{
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if (_target != null && _target.Available)
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{
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return _target.CachedTransform.position.y;
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}
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if (_attackParent != null)
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{
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return _attackParent.position.y;
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}
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if (CachedTransform.parent != null)
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{
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return CachedTransform.parent.position.y;
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}
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return CachedTransform.position.y;
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}
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protected override bool OnWeaponShow(object userData)
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{
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_weaponData = RequireWeaponData<WeaponLanceData>(userData);
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if (_weaponData == null) return false;
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WeaponData = _weaponData;
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_currAttackTimer = 0f;
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_sqrRange = _weaponData.AttackRange * _weaponData.AttackRange;
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_cachedRotation = CachedTransform.rotation;
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WeaponLanceParamsData paramsData = _weaponData.ParamsData;
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float configuredHalfWidth = paramsData != null && paramsData.HitHalfWidth > 0f
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? paramsData.HitHalfWidth
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: paramsData != null && paramsData.HitRadius > 0f
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? paramsData.HitRadius
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: 0.45f;
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_hitHalfWidth = Mathf.Max(0.1f, configuredHalfWidth);
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_hitHeight = paramsData != null && paramsData.HitHeight > 0f
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? Mathf.Max(0.2f, paramsData.HitHeight)
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: 4f;
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_hitCenterYOffset = paramsData != null ? paramsData.HitCenterYOffset : 0f;
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_pierceLength = paramsData != null && paramsData.PierceLength > 0f
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? paramsData.PierceLength
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: paramsData != null && paramsData.ThrustDistance > 0f
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? paramsData.ThrustDistance
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: _weaponData.AttackRange;
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_forwardOffset = paramsData != null && paramsData.ForwardOffset > 0f
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? paramsData.ForwardOffset
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: 0f;
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if (paramsData != null && paramsData.RotateSpeed > 0f)
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{
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_rotateSpeed = paramsData.RotateSpeed;
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}
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if (paramsData != null && paramsData.AttackDuration > 0f)
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{
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_attackDuration = paramsData.AttackDuration;
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}
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if (paramsData != null && paramsData.ReturnDuration > 0f)
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{
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_returnDuration = paramsData.ReturnDuration;
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}
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int colliderCapacity = Mathf.Max(1, _maxHitColliders);
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if (_hitResults == null || _hitResults.Length != colliderCapacity)
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{
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_hitResults = new Collider[colliderCapacity];
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}
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_attackEffect = new LanceThrustAttackEffect();
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if (_weaponData.OwnerCamp == CampType.Player)
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{
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gameObject.layer = LayerMask.NameToLayer("PlayerWeapon");
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_hitMask = LayerMask.GetMask("Enemy");
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}
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else if (_weaponData.OwnerCamp == CampType.Enemy)
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{
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gameObject.layer = LayerMask.NameToLayer("EnemyWeapon");
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_hitMask = LayerMask.GetMask("Player");
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}
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return true;
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}
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protected override void OnWeaponHide(object userData)
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{
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StopAttackTween(true);
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_attackEffect = null;
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}
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protected override void OnWeaponAttach(EntityLogic parentEntity, Transform parentTransform, object userData)
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{
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BindAttackStatFromOwner(parentEntity);
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}
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protected override void OnWeaponDetach(EntityLogic parentEntity, object userData)
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{
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StopAttackTween(true);
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ReleaseAttackStatSubscription();
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}
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protected override void OnEnabledChanged(bool enabled)
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{
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if (!enabled)
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{
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StopAttackTween(true);
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}
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}
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private void StopAttackTween(bool resetTransform)
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{
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if (_attackSequence != null)
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{
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_attackSequence.Kill();
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_attackSequence = null;
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}
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_isAttacking = false;
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if (resetTransform && _attackParent != null)
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{
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CachedTransform.SetParent(_attackParent);
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CachedTransform.localPosition = Vector3.zero;
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CachedTransform.rotation = _cachedRotation;
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}
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_attackParent = null;
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_hitEntityIds.Clear();
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}
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public float HitHalfWidth => _hitHalfWidth;
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public float PierceLength => _pierceLength;
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public Vector3 StrikeDirection => _strikeDirection;
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}
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}
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