代码初始化
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# -*- coding: utf-8 -*-
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#
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# 一盒钉子（dn_sa:box_of_nails）：物品 + 方块双形态的补给容器
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# - 物品耐久用于显示盒内钉子数：max_damage = 65，remaining = 钉子数 + 1
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# （空盒 remaining = 1，满盒 remaining = 65；+1 是为了避免耐久归零导致物品损坏）
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# - 手持盒子右键方块：放置为 dn_sa:box_of_nails_block（面向跟随玩家朝向），盒内钉子数存入世界存档（按坐标索引）
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# - 右键方块：手持钉子时放入（潜行放满，否则放 1 颗）；否则取出（潜行全部取出，否则取 1 颗）
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# - 破坏方块：还原为一个物品，耐久保留盒内钉子数
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# - 描述（"已存储：x/64"）走物品的 customTips：生成物品时写进 itemDict，之后由
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# ChangePlayerItemTipsAndExtraId 覆盖刷新。customTips 会直接覆盖物品 JSON 里的静态文案，
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# 所以 JSON 里那行 "已存储：1/64" 只是还没刷新时的兜底显示。
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# 注意：读玩家背包必须用 GetPlayerItem —— GetEntityItem 只适用于生物/左右手/装备，
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# 官方文档写明"背包不行"，用它读背包会一直返回 None，导致描述永远停在 JSON 的静态文案。
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import math
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import time
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import mod.server.extraServerApi as serverApi
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compFactory = serverApi.GetEngineCompFactory()
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# 测试参数：与 modMain 共用开关与探针（print + 写文件），仅在 DEBUG_TEST 为 True 时输出
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try:
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from Script_dn_sa.modMain import DEBUG_TEST, probe
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except Exception:
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DEBUG_TEST = False
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def probe(msg):
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pass
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ITEM_ID = "dn_sa:box_of_nails"
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BLOCK_ID = "dn_sa:box_of_nails_block"
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NAILS_ID = "dn_sa:nails"
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BLOCK_AIR = "minecraft:air"
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NAILS_MAX_STACK = 64 # 单叠钉子上限
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MAX_CHARGES = 64 # 钉子盒容量
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MAX_DAMAGE = MAX_CHARGES + 1 # 物品最大耐久
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CONTENTS_KEY = "dn_sa_box_of_nails_contents" # {"维度:x,y,z": 钉子数}
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# ServerBlockUseEvent 在按住右键时逐 tick 触发，用冷却间隔避免一次长按连续存取
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COOLDOWN_SECONDS = 0.25 # 每次成功存取后的冷却时间
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# 物品描述（末行动态显示当前钉子数）
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TIPS_TEXT = "手持钉子点击放入,空手点击取出\n包含：钉子\n已存储：%d/%d"
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# 点击面 -> 法线偏移（0下 1上 2北 3南 4西 5东）
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FACE_OFFSET = {
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0: (0, -1, 0),
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1: (0, 1, 0),
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2: (0, 0, -1),
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3: (0, 0, 1),
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4: (-1, 0, 0),
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5: (1, 0, 0),
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}
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ITEM_POS = serverApi.GetMinecraftEnum().ItemPosType
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INVENTORY = ITEM_POS.INVENTORY
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CARRIED = ITEM_POS.CARRIED
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def clamp(v, lo, hi):
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return lo if v < lo else (hi if v > hi else v)
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class BoxOfNailsServer(serverApi.GetServerSystemCls()):
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def __init__(self, namespace, name):
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super(BoxOfNailsServer, self).__init__(namespace, name)
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if DEBUG_TEST:
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probe("3/4 BoxOfNailsServer 系统实例已创建")
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self.levelId = serverApi.GetLevelId()
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self._lastUse = {} # playerId -> 上次成功存取的时间戳（秒）
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self._tipsSet = {} # (playerId, slot) -> 已写入的描述文本，防重复写入
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self.ListenForEvent(serverApi.GetEngineNamespace(), serverApi.GetEngineSystemName(),
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"AddServerPlayerEvent", self, self.OnPlayerJoin)
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self.ListenForEvent(serverApi.GetEngineNamespace(), serverApi.GetEngineSystemName(),
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"ServerItemUseOnEvent", self, self.OnItemUseOn)
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self.ListenForEvent(serverApi.GetEngineNamespace(), serverApi.GetEngineSystemName(),
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"ServerBlockUseEvent", self, self.OnBlockUse)
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self.ListenForEvent(serverApi.GetEngineNamespace(), serverApi.GetEngineSystemName(),
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"ServerPlayerTryDestroyBlockEvent", self, self.OnTryDestroy)
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self.ListenForEvent(serverApi.GetEngineNamespace(), serverApi.GetEngineSystemName(),
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"InventoryItemChangedServerEvent", self, self.OnInventoryChanged)
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# ---------- 基础工具 ----------
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def _blockComp(self):
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return compFactory.CreateBlockInfo(self.levelId)
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def _extraComp(self):
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return compFactory.CreateExtraData(self.levelId)
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@staticmethod
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def _key(dim, x, y, z):
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return "%d:%d,%d,%d" % (dim, x, y, z)
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@staticmethod
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def _itemName(itemDict):
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"""兼容读取物品 identifier：新版物品字典为 newItemName，旧版为 itemName。"""
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if not itemDict:
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return None
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return itemDict.get("newItemName") or itemDict.get("itemName")
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def _loadContents(self):
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data = self._extraComp().GetExtraData(CONTENTS_KEY)
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return data if isinstance(data, dict) else {}
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def _saveContents(self, data):
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self._extraComp().SetExtraData(CONTENTS_KEY, data, True)
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def _getBlockName(self, x, y, z, dim):
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info = self._blockComp().GetBlockNew((x, y, z), dim)
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if not info:
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return None
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return info.get("name")
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def _setBlock(self, x, y, z, dim, name, aux=0):
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# oldBlockHandling=0(替换)，isLegacy=True，updateNeighbors=False
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self._blockComp().SetBlockNew((x, y, z), {"name": name, "aux": aux}, 0, dim, True, False)
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@staticmethod
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def _facingAux(playerId):
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"""按玩家面朝方向计算四面向 aux（南=0/西=1/北=2/东=3）。
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组件 netease:face_directional 的面向由 SetBlockNew 的 auxValue 决定。
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玩家 yaw：0=南(+Z)、90=西(-X)、180=北(-Z)、270=东(+X)；
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放置时方块「北面」朝向玩家，即方块面向 = 玩家准心方向的反方向。
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"""
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try:
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yaw = float(compFactory.CreateRot(playerId).GetRot()[1]) % 360.0
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except Exception:
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return 2
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quad = int(math.floor(yaw / 90.0 + 0.5)) % 4
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return (quad + 2) % 4
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# ---------- 物品耐久 <-> 钉子数 ----------
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@staticmethod
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def _chargesOfRemaining(remaining):
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return clamp(int(remaining) - 1, 0, MAX_CHARGES)
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@staticmethod
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def _remainingOfCharges(charges):
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return clamp(int(charges), 0, MAX_CHARGES) + 1
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def _handCharges(self, playerId):
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itemComp = compFactory.CreateItem(playerId)
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return self._chargesOfRemaining(itemComp.GetItemDurability(CARRIED, 0))
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def _consumeOne(self, playerId):
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itemComp = compFactory.CreateItem(playerId)
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slotId = itemComp.GetSelectSlotId()
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itemDict = itemComp.GetPlayerItem(INVENTORY, slotId, True)
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if not itemDict:
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return
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count = itemDict.get("count", 1)
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itemComp.SetInvItemNum(slotId, count - 1 if count > 1 else 0)
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def _giveBox(self, playerId, charges):
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"""给予带指定钉子数的盒子；优先放入第一个空槽，便于写入耐久。"""
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if not playerId:
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return
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itemComp = compFactory.CreateItem(playerId)
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remainingOfCharges = self._remainingOfCharges(charges)
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itemDict = {
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"itemName": ITEM_ID, "count": 1, "auxValue": 0, 'customTips': TIPS_TEXT % (remainingOfCharges - 1, 64),
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'durability': remainingOfCharges
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}
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slot = -1
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items = itemComp.GetPlayerAllItems(INVENTORY, False) or []
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for i, it in enumerate(items):
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if it is None:
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slot = i
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break
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if slot < 0:
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itemComp.SpawnItemToPlayerInv(itemDict, playerId, -1)
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return
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itemComp.SpawnItemToPlayerInv(itemDict, playerId, slot)
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itemComp.SetItemDurability(INVENTORY, slot, remainingOfCharges)
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self._refreshBoxTips(playerId, slot)
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# ---------- 动态描述（显示盒内钉子数） ----------
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@staticmethod
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def _boxTips(charges):
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return TIPS_TEXT % (clamp(int(charges), 0, MAX_CHARGES), MAX_CHARGES)
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def _refreshBoxTips(self, playerId, slot):
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"""把指定槽位盒子物品的描述更新为当前钉子数。"""
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if not playerId:
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return
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itemComp = compFactory.CreateItem(playerId)
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key = (playerId, slot)
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itemDict = itemComp.GetEntityItem(INVENTORY, slot, True)
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if not itemDict or self._itemName(itemDict) != ITEM_ID:
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self._tipsSet.pop(key, None)
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return
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tips = self._boxTips(self._chargesOfRemaining(itemComp.GetItemDurability(INVENTORY, slot)))
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if self._tipsSet.get(key) == tips:
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return
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itemComp.ChangePlayerItemTipsAndExtraId(INVENTORY, slot, tips, "box1")
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self._tipsSet[key] = tips
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def OnInventoryChanged(self, args):
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newItem = args.get("newItemDict")
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if not newItem or self._itemName(newItem) != ITEM_ID:
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return
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self._refreshBoxTips(args.get("playerId"), args.get("slot", -1))
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def _notifyOne(self, playerId, text):
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"""测试参数用：给玩家发一条聊天提示（仅在 DEBUG_TEST 开启时调用）。"""
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if not playerId:
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return
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try:
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compFactory.CreateMsg(playerId).NotifyOneMessage(playerId, text)
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except Exception:
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pass
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def OnPlayerJoin(self, args):
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"""玩家进入世界时刷新背包里所有盒子的描述。"""
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playerId = args.get("id")
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if DEBUG_TEST:
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probe("4/4 AddServerPlayerEvent 已触发：脚本与事件监听均正常")
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self._notifyOne(playerId, "[dn_sa] 脚本已加载，事件监听正常")
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self._refreshAllBoxTips(playerId)
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def _refreshAllBoxTips(self, playerId):
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if not playerId:
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return
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itemComp = compFactory.CreateItem(playerId)
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items = itemComp.GetPlayerAllItems(INVENTORY, False) or []
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for slot, it in enumerate(items):
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if it and self._itemName(it) == ITEM_ID:
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self._refreshBoxTips(playerId, slot)
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# ---------- 放入 / 取出 ----------
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def _depositNails(self, playerId, dim, x, y, z, handCount, sneaking):
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"""把手中钉子放入盒子（潜行=放满，否则=1 颗）；返回是否放入成功。"""
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key = self._key(dim, x, y, z)
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contents = self._loadContents()
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charges = clamp(contents.get(key, 0), 0, MAX_CHARGES)
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move = clamp(handCount if sneaking else 1, 0, MAX_CHARGES - charges)
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if move <= 0:
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return False
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itemComp = compFactory.CreateItem(playerId)
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itemComp.SetInvItemNum(itemComp.GetSelectSlotId(), handCount - move)
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contents[key] = charges + move
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self._saveContents(contents)
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self._lastUse[playerId] = time.time()
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return True
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def _withdrawNails(self, playerId, dim, x, y, z, sneaking):
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"""从盒子取出钉子（潜行=全部取出，否则=1 颗）；返回是否取出成功。"""
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key = self._key(dim, x, y, z)
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contents = self._loadContents()
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charges = clamp(contents.get(key, 0), 0, MAX_CHARGES)
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if charges <= 0:
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return False
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itemComp = compFactory.CreateItem(playerId)
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capacity = 0
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for it in (itemComp.GetPlayerAllItems(INVENTORY, False) or []):
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if it is None:
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capacity += NAILS_MAX_STACK
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elif self._itemName(it) == NAILS_ID:
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capacity += NAILS_MAX_STACK - it.get("count", 0)
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take = clamp(charges if sneaking else 1, 0, capacity)
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if take <= 0:
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return False
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itemComp.SpawnItemToPlayerInv({"itemName": NAILS_ID, "count": take, "auxValue": 0}, playerId, -1)
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contents[key] = charges - take
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self._saveContents(contents)
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self._lastUse[playerId] = time.time()
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return True
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def _isSneaking(self, playerId):
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try:
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return bool(compFactory.CreatePlayer(playerId).isSneaking())
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except Exception:
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return False
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# ---------- 放置 ----------
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def OnItemUseOn(self, args):
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itemDict = args.get("itemDict") or {}
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itemName = self._itemName(itemDict)
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playerId = args.get("entityId")
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if not playerId:
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return
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# 手持钉子点击盒子方块 -> 放入（部分情况下潜行只触发本事件，作为兼容入口）
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if itemName == NAILS_ID and args.get("blockName") == BLOCK_ID:
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if time.time() - self._lastUse.get(playerId, 0.0) < COOLDOWN_SECONDS:
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return
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ok = self._depositNails(playerId, args.get("dimensionId", 0),
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args.get("x", 0), args.get("y", 0), args.get("z", 0),
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itemDict.get("count", 0), self._isSneaking(playerId))
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if ok:
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args["ret"] = True
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return
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if itemName != ITEM_ID:
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return
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off = FACE_OFFSET.get(args.get("face", 0))
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if off is None:
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return
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# 点击的正是钉子盒方块时不放置，避免在盒子上再叠一个盒子
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if args.get("blockName") == BLOCK_ID:
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return
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dim = args.get("dimensionId", 0)
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tx = args.get("x", 0) + off[0]
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ty = args.get("y", 0) + off[1]
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tz = args.get("z", 0) + off[2]
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if self._getBlockName(tx, ty, tz, dim) != BLOCK_AIR:
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return
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charges = self._handCharges(playerId)
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self._setBlock(tx, ty, tz, dim, BLOCK_ID, self._facingAux(playerId))
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contents = self._loadContents()
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contents[self._key(dim, tx, ty, tz)] = charges
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self._saveContents(contents)
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self._consumeOne(playerId)
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# 记录放置时刻：避免按住右键时同一动作紧接着触发 ServerBlockUseEvent 误取出钉子
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self._lastUse[playerId] = time.time()
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args["ret"] = True
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# ---------- 存取 ----------
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def OnBlockUse(self, args):
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if args.get("blockName") != BLOCK_ID:
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return
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playerId = args.get("playerId")
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if not playerId:
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return
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args["cancel"] = True
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# 该事件按住右键时逐 tick 触发，冷却期内不再处理，避免一次长按连续存取
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if time.time() - self._lastUse.get(playerId, 0.0) < COOLDOWN_SECONDS:
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return
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dim = args.get("dimensionId", 0)
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x, y, z = args.get("x", 0), args.get("y", 0), args.get("z", 0)
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# 手上/事件中使用的物品：优先用事件自带的物品信息，更准确
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itemDict = args.get("itemDict") or {}
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itemComp = compFactory.CreateItem(playerId)
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hand = itemComp.GetPlayerItem(INVENTORY, itemComp.GetSelectSlotId(), True) or {}
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usedName = self._itemName(itemDict) or self._itemName(hand)
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# 手持盒子物品时不做存取（属于放置动作的延续，避免误取出钉子）
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if usedName == ITEM_ID:
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return
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sneaking = self._isSneaking(playerId)
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if usedName == NAILS_ID:
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self._depositNails(playerId, dim, x, y, z,
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itemDict.get("count") or hand.get("count", 0), sneaking)
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else:
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self._withdrawNails(playerId, dim, x, y, z, sneaking)
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# ---------- 破坏 ----------
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def OnTryDestroy(self, args):
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if args.get("fullName") != BLOCK_ID:
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return
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dim = args.get("dimensionId", 0)
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key = self._key(dim, args.get("x", 0), args.get("y", 0), args.get("z", 0))
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contents = self._loadContents()
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charges = clamp(contents.pop(key, 0), 0, MAX_CHARGES)
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self._saveContents(contents)
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# 屏蔽默认掉落，改为返还带钉子数的盒子物品
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args["spawnResources"] = False
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self._giveBox(args.get("playerId"), charges)
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Reference in new issue
Block a user