236 lines
7.9 KiB
C#
236 lines
7.9 KiB
C#
using System;
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using System.Collections.Generic;
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using DragonLi.Core;
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using Knife.Effects.SimpleController;
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using UnityEngine;
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/// <summary>
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/// 管理玩家手部武器：
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/// - 拾取后加入可用列表并切换；
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/// - 弹尽后自动移除、切回初始武器；
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/// - 滚轮/摇杆循环切换。
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/// 已去除相机 FOV 同步（与瞄准放大无关），并优化了字典查找与数组长度缓存，减少循环与属性访问开销。
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/// </summary>
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public class PlayerHands : MonoBehaviour
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{
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[Header("所有武器预置（含初始武器 + 可捡起武器），0号为初始武器")]
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public GameObject[] WeaponsObjects;
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public int[] Indices; // 可选：UI 圆环选择器索引
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public WeaponSelector weaponSelector; // 可选：UI 武器选择器事件源
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[SerializeField] private Player player; // 用于后坐力回调
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private IWeapon[] weapons; // 缓存的 IWeapon 组件
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private List<int> idToIndex; // weaponId -> WeaponsObjects 下标
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// “当前已拾取并可用”列表里存的是真实数组下标
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private List<int> availableWeaponIndices = new List<int>();
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private int currentAvailableListIndex = -1;
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void Start()
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{
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int weaponCount = WeaponsObjects.Length;
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weapons = new IWeapon[weaponCount];
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// 构建 weaponId→数组下标 的字典
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idToIndex = new List<int>(weaponCount);
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for (int i = 0; i < weaponCount; i++)
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{
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weapons[i] = WeaponsObjects[i].GetComponent<IWeapon>();
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// 只要实现 IWeapon，就取它的 weaponId（向下转型）
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var w = WeaponsObjects[i].GetComponent<Weapon>();
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w.weaponId = i+1;
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if (w != null && !idToIndex.Contains(w.weaponId))
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idToIndex.Add(w.weaponId);
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// 初始全部隐藏
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weapons[i].SetActive(false);
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}
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// ——————————————————————————————
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// 把索引 0 号初始武器加入可用列表并激活
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availableWeaponIndices.Clear();
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availableWeaponIndices.Add(0);
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currentAvailableListIndex = 0;
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weapons[0].SetActive(true);
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weapons[0].OnFire += OnFire;
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// ——————————————————————————————
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// 注册 WeaponSelector 回调（若不需要可留空）
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if (weaponSelector != null)
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weaponSelector.OnSelectedEvent += OnWeaponSelected;
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// 监听弹尽事件
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Weapon.OnAmmoDepleted += HandleAmmoDepleted;
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}
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void OnDestroy()
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{
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if (weaponSelector != null)
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weaponSelector.OnSelectedEvent -= OnWeaponSelected;
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Weapon.OnAmmoDepleted -= HandleAmmoDepleted;
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// 卸载所有 OnFire 监听
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foreach (var w in weapons)
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{
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if (w != null)
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w.OnFire -= OnFire;
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}
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}
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void Update()
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{
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// Editor 下用滚轮切换
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#if UNITY_EDITOR
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float scroll = Input.GetAxis("Mouse ScrollWheel");
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if (scroll > 0f)
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SwitchToNextAvailable();
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else if (scroll < 0f)
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SwitchToPreviousAvailable();
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#endif
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// VR（PICO）摇杆的切换由 Player 脚本里调用
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}
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/// <summary>
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/// UI 圆环选中时，传入 selectorIndex，映射到 WeaponsObjects 下标后切换
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/// </summary>
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public void OnWeaponSelected(int selectorIndex)
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{
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if (Indices == null || Indices.Length == 0) return;
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int foundIdx = -1;
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for (int i = 0, len = Indices.Length; i < len; i++)
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{
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if (Indices[i] == selectorIndex)
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{
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foundIdx = i;
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break;
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}
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}
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if (foundIdx < 0) return;
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int listPos = availableWeaponIndices.IndexOf(foundIdx);
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if (listPos >= 0)
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DeployByAvailableListIndex(listPos);
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}
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/// <summary>
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/// 切到下一个可用武器（循环）
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/// </summary>
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public void SwitchToNextAvailable()
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{
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int count = availableWeaponIndices.Count;
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if (count <= 1) return;
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int next = (currentAvailableListIndex + 1) % count;
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DeployByAvailableListIndex(next);
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}
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/// <summary>
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/// 切到上一个可用武器（循环）
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/// </summary>
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public void SwitchToPreviousAvailable()
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{
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int count = availableWeaponIndices.Count;
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if (count <= 1) return;
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int prev = (currentAvailableListIndex - 1 + count) % count;
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DeployByAvailableListIndex(prev);
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}
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/// <summary>
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/// 内部：切换到 availableWeaponIndices[listIdx] 对应的武器
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/// </summary>
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private void DeployByAvailableListIndex(int listIdx)
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{
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int availCount = availableWeaponIndices.Count;
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if (listIdx < 0 || listIdx >= availCount) return;
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int weaponArrayIndex = availableWeaponIndices[listIdx];
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// 如果已经就是这把，直接返回
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int oldArrayIndex = availableWeaponIndices[currentAvailableListIndex];
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if (weaponArrayIndex == oldArrayIndex) return;
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// 停掉旧武器
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weapons[oldArrayIndex].OnFire -= OnFire;
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weapons[oldArrayIndex].SetActive(false);
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// 激活新武器
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currentAvailableListIndex = listIdx;
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weapons[weaponArrayIndex].OnFire += OnFire;
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weapons[weaponArrayIndex].SetActive(true);
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Weapon curPlayerWeapon = WeaponsObjects[weaponArrayIndex].GetComponent<Weapon>();
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EventDispatcher.TriggerEvent("ChangeWeaponIcon",(PlayerWeaponType)weaponArrayIndex,curPlayerWeapon.bulletsLeft);
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}
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/// <summary>
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/// 玩家捡到武器道具时调用：
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/// 1. 将 weaponArrayIndex 加入可用列表（若尚未存在）；
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/// 2. 给它加 ammoCount 子弹；
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/// 3. 切到它。
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/// </summary>
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public void PickUpAndSwitchTo(int weaponArrayIndex, int ammoCount)
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{
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weaponArrayIndex -= 1;
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int maxIdx = WeaponsObjects.Length - 1;
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if (weaponArrayIndex < 0 || weaponArrayIndex > maxIdx) return;
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// 1. 加入可用列表（若没在里头）
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if (!availableWeaponIndices.Contains(weaponArrayIndex))
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availableWeaponIndices.Add(weaponArrayIndex);
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// 2. 给这一把上弹
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var w = WeaponsObjects[weaponArrayIndex].GetComponent<Weapon>();
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if (w != null)
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w.PickUpWeapon(w.weaponId, ammoCount);
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// 3. 切换到这一把
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int listPos = availableWeaponIndices.IndexOf(weaponArrayIndex);
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DeployByAvailableListIndex(listPos);
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}
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/// <summary>
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/// 监听 Weapon.OnAmmoDepleted(weaponId) 事件，移除对应武器并自动切回 0 号
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/// </summary>
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private void HandleAmmoDepleted(int weaponId)
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{
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int weaponArrayIndex = weaponId-1;
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if (!idToIndex.Contains(weaponArrayIndex)) return;
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int listPos = availableWeaponIndices.IndexOf(weaponArrayIndex);
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if (listPos < 0) return;
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availableWeaponIndices.RemoveAt(listPos);
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// 如果移除的正是当前持有的武器，切回 0 号
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if (listPos == currentAvailableListIndex)
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{
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weapons[weaponArrayIndex].OnFire -= OnFire;
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weapons[weaponArrayIndex].SetActive(false);
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// 确保 0 号在列表里
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if (!availableWeaponIndices.Contains(0))
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availableWeaponIndices.Insert(0, 0);
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currentAvailableListIndex = availableWeaponIndices.IndexOf(0);
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weapons[0].SetActive(true);
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weapons[0].OnFire += OnFire;
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}
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else if (listPos < currentAvailableListIndex)
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{
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// 若移除的索引小于当前索引要减 1
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currentAvailableListIndex--;
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}
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}
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/// <summary>
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/// 武器开火时的后坐力回调，将 recoilDelta 传给 Player
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/// </summary>
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private void OnFire(Vector2 recoilDelta)
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{
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if (player != null)
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player.ApplyRecoil(recoilDelta);
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}
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}
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