413 lines
16 KiB
C#
413 lines
16 KiB
C#
using Inventory;
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using System.Collections.Generic;
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using TMPro;
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using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.InputSystem; // 引入 Input System
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using Player;
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public class InventoryUI : MonoBehaviour
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{
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[Header("Player References")]
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public HandController handController; // 拖入 Player 身上的脚本
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public PlayerInput playerInput; // 拖入 Player 身上的 PlayerInput 组件
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[Header("UI References")]
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public Transform hotbarPanel; // ���� HotbarPanel
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public GameObject slotPrefab; // ���������õ� Hotbar_Slot Prefab
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[Header("Settings")]
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public Color selectedColor = new Color(0f, 1f, 1f, 0.5f); // ѡ��ʱ�ı߿���ɫ��������ɫ������
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public Color normalColor = new Color(0f, 1f, 1f, 0f); // δѡ��ʱ�ı߿���ɫ������
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// �ڲ��ࣺ�����������ӵ� UI ���ã�����ÿ�� GetComponent
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private class SlotUI
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{
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public GameObject instance;
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public Image icon;
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public TextMeshProUGUI amountText;
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public Image frame; // �ñ߿���ɫ����ʾѡ��״̬
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}
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private List<SlotUI> slots = new List<SlotUI>();
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private InputAction hotbar1Action;
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private InputAction hotbar2Action;
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private InputAction hotbar3Action;
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private InputAction hotbar4Action;
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private InputAction dropAction;
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private System.Action<InputAction.CallbackContext> hotbar1Handler;
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private System.Action<InputAction.CallbackContext> hotbar2Handler;
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private System.Action<InputAction.CallbackContext> hotbar3Handler;
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private System.Action<InputAction.CallbackContext> hotbar4Handler;
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private System.Action<InputAction.CallbackContext> dropHandler;
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private void Awake()
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{
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if (handController == null)
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{
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handController = FindObjectOfType<HandController>(true);
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}
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if (playerInput == null)
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{
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var pc = FindObjectOfType<PlayerController>(true);
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if (pc != null)
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{
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playerInput = pc.GetComponent<PlayerInput>();
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}
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if (playerInput == null)
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{
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playerInput = FindObjectOfType<PlayerInput>(true);
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}
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}
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}
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private void Start()
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{
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TryInitializeUI();
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}
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private void OnEnable()
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{
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if (hotbar1Handler == null) hotbar1Handler = _ => SelectSlot(0);
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if (hotbar2Handler == null) hotbar2Handler = _ => SelectSlot(1);
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if (hotbar3Handler == null) hotbar3Handler = _ => SelectSlot(2);
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if (hotbar4Handler == null) hotbar4Handler = _ => SelectSlot(3);
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if (dropHandler == null) dropHandler = OnDropItem;
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if (playerInput == null)
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{
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Debug.LogError("[InventoryUI] PlayerInput 未赋值，无法绑定 Hotbar/Drop 输入。请在 Inspector 里拖入玩家身上的 PlayerInput。");
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return;
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}
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if (playerInput.currentActionMap != null && playerInput.currentActionMap.name != "Player")
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{
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Debug.LogWarning($"[InventoryUI] 当前 ActionMap 为 '{playerInput.currentActionMap.name}'，Hotbar/Drop 可能不会触发。");
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}
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if (playerInput != null)
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{
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// 订阅 Hotbar 切换事件
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// 注意：Action 名字必须和你 Input Actions 里的一模一样
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hotbar1Action = playerInput.actions["Hotbar1"];
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if (hotbar1Action != null) hotbar1Action.performed += hotbar1Handler;
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else Debug.LogError("[InventoryUI] 找不到名为 'Hotbar1' 的 Action，请检查 Input Actions。");
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hotbar2Action = playerInput.actions["Hotbar2"];
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if (hotbar2Action != null) hotbar2Action.performed += hotbar2Handler;
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else Debug.LogError("[InventoryUI] 找不到名为 'Hotbar2' 的 Action，请检查 Input Actions。");
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hotbar3Action = playerInput.actions["Hotbar3"];
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if (hotbar3Action != null) hotbar3Action.performed += hotbar3Handler;
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else Debug.LogError("[InventoryUI] 找不到名为 'Hotbar3' 的 Action，请检查 Input Actions。");
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hotbar4Action = playerInput.actions["Hotbar4"];
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if (hotbar4Action != null) hotbar4Action.performed += hotbar4Handler;
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else Debug.LogError("[InventoryUI] 找不到名为 'Hotbar4' 的 Action，请检查 Input Actions。");
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// 订阅丢弃事件
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dropAction = playerInput.actions["Drop"];
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if (dropAction != null) dropAction.performed += dropHandler;
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else Debug.LogError("[InventoryUI] 找不到名为 'Drop' 的 Action，请检查 Input Actions。");
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}
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}
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private void OnDisable()
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{
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// 取消订阅，防止内存泄漏
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if (hotbar1Action != null && hotbar1Handler != null) hotbar1Action.performed -= hotbar1Handler;
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if (hotbar2Action != null && hotbar2Handler != null) hotbar2Action.performed -= hotbar2Handler;
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if (hotbar3Action != null && hotbar3Handler != null) hotbar3Action.performed -= hotbar3Handler;
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if (hotbar4Action != null && hotbar4Handler != null) hotbar4Action.performed -= hotbar4Handler;
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if (dropAction != null && dropHandler != null) dropAction.performed -= dropHandler;
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hotbar1Action = null;
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hotbar2Action = null;
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hotbar3Action = null;
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hotbar4Action = null;
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dropAction = null;
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}
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private void Update()
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{
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TryInitializeUI();
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if (isInitialized)
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{
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RefreshUI();
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}
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}
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private bool isInitialized;
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private void TryInitializeUI()
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{
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if (isInitialized) return;
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if (InventorySystem.Instance == null) return;
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InitializeUI();
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isInitialized = true;
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}
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private void InitializeUI()
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{
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if (hotbarPanel == null || slotPrefab == null)
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{
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Debug.LogError("[InventoryUI] 缺少 HotbarPanel 或 SlotPrefab 引用！请在 Inspector 中赋值。");
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return;
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}
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// 1. 清理现有的子物体（比如你在编辑器里复制的那 5 个测试格子）
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foreach (Transform child in hotbarPanel)
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{
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Destroy(child.gameObject);
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}
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slots.Clear();
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// 2. 根据 InventorySystem 的最大槽位生成格子
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// 如果 InventorySystem 还没准备好，我们默认生成 5 个
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int slotCount = InventorySystem.Instance != null ? InventorySystem.Instance.maxSlots : 5;
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Debug.Log($"[InventoryUI] 正在生成 {slotCount} 个格子...");
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for (int i = 0; i < slotCount; i++)
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{
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GameObject newSlot = Instantiate(slotPrefab, hotbarPanel);
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SlotUI ui = new SlotUI();
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ui.instance = newSlot;
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// 使用递归查找，这样即使层级稍微深一点也能找到
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ui.icon = FindChild<Image>(newSlot.transform, "Icon");
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ui.amountText = FindChild<TextMeshProUGUI>(newSlot.transform, "AmountText");
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ui.frame = FindChild<Image>(newSlot.transform, "Frame");
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if (ui.icon == null) Debug.LogError($"[InventoryUI] 格子 {i} 找不到名为 'Icon' 的 Image 组件！");
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if (ui.amountText == null) Debug.LogError($"[InventoryUI] 格子 {i} 找不到名为 'AmountText' 的 TMP 组件！");
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// 默认隐藏图标和文字，并重置颜色为不透明
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if (ui.icon != null)
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{
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ui.icon.color = Color.white;
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ui.icon.sprite = null;
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ui.icon.gameObject.SetActive(false);
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}
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if (ui.amountText != null) ui.amountText.gameObject.SetActive(false);
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slots.Add(ui);
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}
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// 3. 初始化默认选择第一个格子
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SelectSlot(0);
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}
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// 辅助方法：递归查找子物体组件
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private T FindChild<T>(Transform parent, string name) where T : Component
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{
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foreach (Transform child in parent)
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{
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if (child.name == name) return child.GetComponent<T>();
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T found = FindChild<T>(child, name);
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if (found != null) return found;
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}
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return null;
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}
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// 记录上一次当前选中格子的物品数据，用于检测是否捡到了新东西
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private ItemData lastSelectedItemData = null;
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private void RefreshUI()
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{
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if (InventorySystem.Instance == null) return;
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List<InventoryItem> items = InventorySystem.Instance.inventory;
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// 检查当前选中格子的物品是否发生了变化
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if (currentSelection >= 0 && currentSelection < items.Count)
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{
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InventoryItem currentItem = items[currentSelection];
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ItemData currentData = currentItem?.data;
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// 如果物品数据变了（比如从 null 变成了 Apple，或者从 Apple 换成了 Bottle）
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// 并且当前没有强制收手，就自动刷新手中的模型
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if (currentData != lastSelectedItemData)
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{
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lastSelectedItemData = currentData;
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if (!isHandHidden)
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{
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UpdateHandItem();
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}
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}
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}
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for (int i = 0; i < slots.Count; i++)
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{
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InventoryItem item = i < items.Count ? items[i] : null;
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ItemData data = item != null ? item.data : null;
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Sprite iconSprite = data != null ? data.icon : null;
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bool hasRenderableItem = data != null && iconSprite != null;
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if (slots[i].icon != null)
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{
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if (hasRenderableItem)
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{
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slots[i].icon.sprite = iconSprite;
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slots[i].icon.color = Color.white;
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slots[i].icon.gameObject.SetActive(true);
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}
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else
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{
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slots[i].icon.sprite = null;
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slots[i].icon.gameObject.SetActive(false);
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}
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}
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if (slots[i].amountText != null)
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{
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if (data != null && item != null && item.stackSize > 1)
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{
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slots[i].amountText.gameObject.SetActive(true);
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slots[i].amountText.text = item.stackSize.ToString();
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}
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else
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{
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slots[i].amountText.text = string.Empty;
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slots[i].amountText.gameObject.SetActive(false);
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}
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}
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}
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}
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// 丢弃物品的逻辑桩
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private void OnDropItem(InputAction.CallbackContext context)
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{
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if (currentSelection < 0 || InventorySystem.Instance == null) return;
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// 检查当前格子有没有东西
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if (currentSelection < InventorySystem.Instance.inventory.Count)
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{
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var item = InventorySystem.Instance.inventory[currentSelection];
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if (item != null && item.data != null)
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{
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Debug.Log($"[Input] 按下了 G 键，准备丢弃: {item.data.name}");
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// 1. 在玩家前方生成掉落物
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if (item.data.pickupPrefab != null)
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{
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// 优先使用 HandController 的位置（即 Player 位置）作为基准
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// 如果能获取到具体的 handPosition（手的位置）则更好，否则用 Player 身体位置
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Transform origin = handController != null ? handController.transform : transform;
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// 如果 handController 有定义 handPosition，尽量用它，因为它通常在摄像机附近
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if (handController != null && handController.handPosition != null)
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{
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origin = handController.handPosition;
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}
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// 在起点前方 0.5 米处生成（避免穿模）
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Vector3 spawnPos = origin.position + origin.forward * 0.5f;
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GameObject droppedObj = Instantiate(item.data.pickupPrefab, spawnPos, Quaternion.identity);
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// 1.5 如果有 ItemPhysicsState，强制解除可能存在的 startKinematic 锁定
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var physState = droppedObj.GetComponent<Project.Interaction.ItemPhysicsState>();
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if (physState != null)
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{
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physState.ReleaseKinematic();
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}
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// 2. 如果有刚体，给它一个向前的力（扔出去的感觉）
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Rigidbody rb = droppedObj.GetComponent<Rigidbody>();
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if (rb != null)
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{
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// 确保物理完全启用（作为最后保障）
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rb.isKinematic = false;
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rb.useGravity = true;
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// 随机一点旋转，更自然
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rb.AddTorque(Random.insideUnitSphere * 5f);
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// 使用 origin.forward 确保是向当前朝向扔出
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rb.AddForce(origin.forward * 4f + Vector3.up * 1.5f, ForceMode.Impulse);
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}
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}
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else
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{
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Debug.LogWarning($"[Inventory] 物品 {item.data.name} 缺少 PickupPrefab，无法在场景中生成掉落物！只会在背包中移除。");
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}
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// 3. 从背包中移除 1 个
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InventorySystem.Instance.RemoveFromSlot(currentSelection, 1);
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// 4. 手部模型更新会由 RefreshUI 自动处理
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}
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else
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{
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Debug.Log("[Input] 当前格子是空的，无法丢弃。");
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}
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}
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}
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private int currentSelection = -1;
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private bool isHandHidden = false; // 记录当前是否强制收手
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private void SelectSlot(int index)
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{
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if (index < 0 || index >= slots.Count) return;
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// 如果再次按下当前选中的格子 -> 切换收手/拿出状态
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if (index == currentSelection)
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{
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isHandHidden = !isHandHidden;
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UpdateHandItem(); // 更新手部显示
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return;
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}
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// 切换到了新格子
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currentSelection = index;
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isHandHidden = false; // 重置收手状态，默认拿出新物品
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// 同步选中状态给 InventorySystem
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if (InventorySystem.Instance != null)
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{
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InventorySystem.Instance.selectedSlotIndex = index;
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}
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// 更新高亮显示
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for (int i = 0; i < slots.Count; i++)
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{
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if (slots[i].frame != null)
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{
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slots[i].frame.color = (i == index) ? selectedColor : normalColor;
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}
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}
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UpdateHandItem();
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Debug.Log($"选择了第 {index + 1} 个格子");
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}
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// 独立出来的更新手部物品方法
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private void UpdateHandItem()
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{
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if (handController == null || InventorySystem.Instance == null) return;
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// 如果强制收手，直接传 null
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if (isHandHidden)
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{
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handController.EquipItem(null);
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return;
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}
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// 否则尝试装备当前选中格子的物品
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if (currentSelection >= 0 && currentSelection < InventorySystem.Instance.inventory.Count)
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{
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var item = InventorySystem.Instance.inventory[currentSelection];
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handController.EquipItem(item != null ? item.data : null);
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}
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else
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{
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handController.EquipItem(null);
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}
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}
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}
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