189 lines
6.4 KiB
Markdown
189 lines
6.4 KiB
Markdown
---
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front: https://nie.res.netease.com/r/pic/20210730/ee109f39-8987-46e0-9fe7-40ebb23060fa.png
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hard: 进阶
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time: 40分钟
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---
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# 制作小船带玩家离开新手岛
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完成新手引导后，玩家需要乘船离开岛屿，先制作一个小船使其可以漂浮在水上并且具有寻路的组件：
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```json
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{
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"format_version":"1.16.0",
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"minecraft:entity":{
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"description":{
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"identifier":"farm:guide_boat",
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"is_spawnable":true,
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"is_summonable":true,
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"is_experimental":false
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},
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"components": {
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"minecraft:buoyant": { //使实体可以像船一样漂浮在水面上
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"apply_gravity": true,
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"base_buoyancy": 1.0,
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"simulate_waves": true,
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"big_wave_probability": 0.03,
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"big_wave_speed": 10.0,
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"drag_down_on_buoyancy_removed": 0,
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"liquid_blocks": ["water"]
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},
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"minecraft:underwater_movement": { //水中的移动速度
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"value": 0.25
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},
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"minecraft:navigation.walk": { //寻路组件（不会沉底）
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"can_sink": false
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},
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"minecraft:rideable": { //玩家可以骑乘实体
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"seat_count": 1,
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"family_types": ["player"],
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"interact_text": "action.interact.enter_boat",
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"seats": {
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"position": [0, 0.5, 0]
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}
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},
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"minecraft:follow_range": {
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"value": 64,
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"max": 64
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},
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"minecraft:health": {
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"value": 10,
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"max": 10
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},
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"minecraft:movement": {
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"value": 0.25
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},
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"minecraft:movement.basic": {},
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"minecraft:collision_box": {
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"width": 1,
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"height": 1
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},
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"minecraft:physics": {}
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},
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"component_groups":{
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"boat_finding":{ //通过py添加的组件组，使船可以寻找特定的方块并移动至方块位置
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"minecraft:behavior.move_to_block": {
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"priority": 0,
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"tick_interval": 1,
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"start_chance": 1.0,
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"search_range": 64,
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"search_height": 10,
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"goal_radius": 1.0,
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"stay_duration": 999.0,
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"target_selection_method": "nearest",
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"target_offset": [
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0,
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0,
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0
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],
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"target_blocks": [ //寻找的方块
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"minecraft:double_wooden_slab:1"
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],
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"on_reach": [ //到达附近触发的事件
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{
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"event": "reach_boat",
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"target": "self"
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}
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]
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}
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}
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},
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"events":{
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"start_boat":{ //添加组件组的事件
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"add":{
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"component_groups":["boat_finding"]
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}
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},
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"reach_boat":{ //船到达目的地触发的事件，py将监听此事件
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}
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}
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}
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}
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```
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在"minecraft:behavior.move_to_block"中，设置小船寻找的方块为**"minecraft:double_wooden_slab:1"**，这个方块是双层的云杉木半砖，所以我们需要对地图做一些简单的修改，将码头最外侧的一个云杉木板改为双层云杉木半砖，外观上完全一致，并且可以让小船寻找这个方块前往码头：
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<img src="./images/6.gif" alt="6" style="zoom:115%;" />
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玩家完成引导任务后会创建船的实体，需要使用py检测玩家坐上船后触发船的组件并且监听船到达目的地的事件：
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```python
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leveldatacomp = serverApi.GetEngineCompFactory().CreateExtraData(serverApi.GetLevelId())
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timecomp = serverApi.GetEngineCompFactory().CreateTime(serverApi.GetLevelId())
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class FarmServerSystem(ServerSystem):
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def __init__(self, namespace, systemName):
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ServerSystem.__init__(self, namespace, systemName)
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# 监听EntityStartRidingEvent事件
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self.ListenForEvent(serverApi.GetEngineNamespace(), serverApi.GetEngineSystemName(),
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"EntityStartRidingEvent", self, self.Start_Gam
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)
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# 监听EntityDefinitionsEventServerEvent事件
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self.ListenForEvent(serverApi.GetEngineNamespace(), serverApi.GetEngineSystemName(),
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'EntityDefinitionsEventServerEvent',
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self, self.EntityEvent)
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# ···
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def Start_Game(self, args):
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# 通过事件获取玩家id和船的id
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self.start_playerid = args["id"]
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boatid = args["rideId"]
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# 获取数据player_guide
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self.guide_dialogue = leveldatacomp.GetExtraData("player_guide")
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# 如果guide_dialogue的dialogue值等于5（说明玩家已经完成新手引导）
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if self.guide_dialogue等于5["dialogue"] == 5:
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# 创建触发实体事件的组件
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entityeventcomp = serverApi.GetEngineCompFactory().CreateEntityEvent(boatid)
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# 触发小船的"start_boat"事件
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result = entityeventcomp.TriggerCustomEvent(boatid, "start_boat")
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def EntityEvent(self,args):
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# 获取的实体触发的事件名
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eventname = args['eventName']
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# 如果事件名不是"reach_boat"就返回
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if eventname != "reach_boat":
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return
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# 获取被骑乘者(船)的id
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entityid = args['entityId']
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# 获取乘船玩家的id
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rider_id = serverApi.GetEngineCompFactory().CreateRide(entityid).GetEntityRider()
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# 执行创建数据的函数，并将玩家id作为参数
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self.start_game_data(rider_id)
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# 创建传送玩家的接口
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playertpcomp = serverApi.GetEngineCompFactory().CreatePos(self.start_playerid)
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# 传送玩家到坐标位置
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playertpcomp.SetPos((55, 63, 131))
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# 销毁船
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self.DestroyEntity(entityid)
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# 重置世界时间为0
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timecomp.SetTime(0)
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# 新手引导结束，开始游戏触发的函数
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def start_game_data(self, playerid):
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# 设置初始数据：玩家钱数为100
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leveldatacomp.SetExtraData("player_coin", 100)
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# 设置初始数据：玩家家具为0
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leveldatacomp.SetExtraData("player_furniture", 0)
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# 将初始数据存放在event变量中并发送事件到客户端创建数据ui
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event = {"playerid": playerid, "player_data_coin": leveldatacomp.GetExtraData("player_coin"),
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"player_data_furniture": leveldatacomp.GetExtraData("player_furniture")}
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self.NotifyToClient(self.playername, "create_data_ui", event)
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```
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<img src="./images/7.gif" alt="7" style="zoom:115%;" />
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现在，《海滨小岛》已经有了一个完整的新手引导，玩家在乘船登上新岛屿后就可以开始正常的游戏了，当然我们也可以继续添加引导使玩家对玩法更加清晰，比如在图书馆里放置一个指引书供玩家阅览。
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