代码初始化

behavior_pack_kcH4M5u0/Script_dn_sa/medicalServer.py

@@ -0,0 +1,91 @@
+# -*- coding: utf-8 -*-
+#
+# 医疗物品：自定义蓄力物品（custom_item_type: ranged_weapon）
+# 右键按下开始蓄力，右键抬起触发 ItemReleaseUsingServerEvent；
+# 蓄满才生效并消耗 1 个，未蓄满松开则取消（不生效、不消耗）。
+import mod.server.extraServerApi as serverApi
+
+compFactory = serverApi.GetEngineCompFactory()
+
+PLASTER = "dn_sa_plaster:bow"
+SPLINT = "dn_sa_splint:bow"
+ALCOHOL_WIPES = "dn_sa_alcohol_wipes:bow"
+BLOOD_BAG = "dn_sa:blood_bag"
+BLOOD_BAG_EMPTY = "dn_sa:blood_bag_empty"
+
+# 蓄满所需持有时长（tick，20 tick = 1 秒）
+CHARGE_TICKS = 60
+CHARGE_ITEMS = (PLASTER, SPLINT, ALCOHOL_WIPES)
+
+HEAL_AMOUNT = 6.0       # 血袋回血量
+DONATE_TOTAL = 6        # 空血袋总扣血量
+DONATE_STEP = 1.0       # 每次扣血量
+DONATE_INTERVAL = 0.5   # 扣血间隔秒数
+
+
+class MedicalServer(serverApi.GetServerSystemCls()):
+    def __init__(self, namespace, name):
+        super(MedicalServer, self).__init__(namespace, name)
+        self.ListenForEvent(serverApi.GetEngineNamespace(), serverApi.GetEngineSystemName(),
+                            "ItemReleaseUsingServerEvent", self, self.OnReleaseUsing)
+        self.ListenForEvent(serverApi.GetEngineNamespace(), serverApi.GetEngineSystemName(),
+                            "PlayerEatFoodServerEvent", self, self.OnEatFood)
+
+    # ---------- 蓄力物品 ----------
+    def OnReleaseUsing(self, args):
+        playerId = args.get("playerId")
+        itemName = (args.get("itemDict") or {}).get("itemName")
+        if not playerId or itemName not in CHARGE_ITEMS:
+            return
+        # 已持有帧数 = 最大使用时长 - 剩余时长
+        maxUse = args.get("maxUseDuration") or 0
+        durationLeft = args.get("durationLeft") or 0
+        held = (maxUse - durationLeft) if maxUse > 0 else CHARGE_TICKS
+        # 未蓄满：取消本次使用
+        if held < CHARGE_TICKS:
+            args["cancel"] = True
+            return
+        # 蓄满：施加效果
+        effectComp = compFactory.CreateEffect(playerId)
+        if itemName == PLASTER:
+            effectComp.AddEffectToEntity("regeneration", 5, 0, False)
+        elif itemName == SPLINT:
+            effectComp.AddEffectToEntity("resistance", 10, 0, False)
+        elif itemName == ALCOHOL_WIPES:
+            effectComp.RemoveEffectFromEntity("poison")
+        # 消耗 1 个
+        self._ConsumeOne(playerId)
+        args["changeItem"] = True
+
+    def _ConsumeOne(self, playerId):
+        itemComp = compFactory.CreateItem(playerId)
+        slotId = itemComp.GetSelectSlotId()
+        itemDict = itemComp.GetPlayerItem(serverApi.GetMinecraftEnum().ItemPosType.INVENTORY, slotId, True)
+        if not itemDict:
+            return
+        count = itemDict.get("count", 1)
+        itemComp.SetInvItemNum(slotId, count - 1)
+
+    # ---------- 血袋 / 空血袋 ----------
+    def OnEatFood(self, args):
+        playerId = args.get("playerId")
+        itemName = (args.get("itemDict") or {}).get("itemName")
+        if not playerId:
+            return
+        if itemName == BLOOD_BAG:
+            self._AddHealth(playerId, HEAL_AMOUNT)
+        elif itemName == BLOOD_BAG_EMPTY:
+            for i in range(1, DONATE_TOTAL + 1):
+                self.AddTimer(DONATE_INTERVAL * i, self._AddHealth, playerId, -DONATE_STEP)
+            self.AddTimer(DONATE_INTERVAL * (DONATE_TOTAL + 1), self._GiveBloodBag, playerId)
+
+    def _AddHealth(self, playerId, delta):
+        attrType = serverApi.GetMinecraftEnum().AttrType.HEALTH
+        attrComp = compFactory.CreateAttr(playerId)
+        cur = attrComp.GetAttrValue(attrType)
+        limit = attrComp.GetAttrMaxValue(attrType)
+        attrComp.SetAttrValue(attrType, max(0.0, min(cur + delta, limit)))
+
+    def _GiveBloodBag(self, playerId):
+        itemDict = {"itemName": BLOOD_BAG, "count": 1, "auxValue": 0}
+        compFactory.CreateItem(playerId).SpawnItemToPlayerInv(itemDict, playerId, -1)