127 lines
3.5 KiB
Markdown
127 lines
3.5 KiB
Markdown
---
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front:
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hard: 入门
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time: 分钟
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---
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# 自定义蓄力物品
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## 概述
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属于特殊的自定义物品，在支持自定义物品所有特性的基础上，还具有右键按下开始蓄力过程，右键抬起触发释放事件。
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与弓（minecraft:bow）、弩（minecraft:crossbow）类似，在物品使用过程支持蓄力操作，支持序列帧动画。
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详细的物品定义以及物品使用详见示例mod [CustomRangedWeaponMod](../../13-模组SDK编程/60-Demo示例.md#CustomRangedWeaponMod)。
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## 注册
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1. 与自定义物品的注册1-6步相同
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2. 在behavior创建的json文件，如：
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```python
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{
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"format_version": "1.10",
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"minecraft:item": {
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"description": {
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"identifier": "customitems:ranged_weapon",
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"register_to_create_menu":true,
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"custom_item_type": "ranged_weapon"
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},
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"components": {
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"minecraft:use_duration": 72000
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}
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}
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}
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```
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*注意：use_duration的大小应该与序列帧帧数相匹配*
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3. 自定义序列帧
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3.1 将物品的序列帧贴图放到`textures\items`中，如：
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3.2 在textures/item_texture.json中增加序列帧图片的定义
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```python
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"customitems:ranged_weapon": {
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"textures": [
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"textures/items/customitems_ranged_weapon_0",
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"textures/items/customitems_ranged_weapon_1",
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"textures/items/customitems_ranged_weapon_2"
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]
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}
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```
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3.3 在netease_items_res中增加json文件，如：
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```python
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{
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"format_version": "1.10",
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"minecraft:item": {
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"description": {
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"identifier": "customrangedweapon:bow",
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"category": "Equipment"
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},
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"components": {
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"minecraft:icon": "customrangedweapon:bow",
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"minecraft:use_animation": "bow",
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"netease:frame_animation": {
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"frame_count": 3,
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"texture_name": "customrangedweapon:bow_frame",
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"animate_in_toolbar": true
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}
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}
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}
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}
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```
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## 网易components
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* netease:frame_animation
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| 键 | 类型 | 默认值 | 解释 |
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| ------------------ | ---- | ------ | ----------------------------------- |
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| frame_count | int | 1 | 序列帧帧数 |
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| texture_name | str | | item_texture.json中定义的序列帧数组 |
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| animate_in_toolbar | bool | true | 在物品栏中是否支持动画 |
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* netease:render_offsets
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第一人称下手中物品渲染配置
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右手坐标系，x是拇指方向，y是食指方向，z是中指方向
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| 键 | 类型 | 默认值 | 解释 |
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| -------------------------- | ----- | ------------- | ------------ |
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| controller_position_adjust | array | [0.0,0.0,0.0] | 物品位置调整 |
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| controller_rotation_adjust | array | [0.0,0.0,0.0] | 物品旋转调整 |
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| controller_scale | float | 1.0 | 物品大小调整 |
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## 物品耐久
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自定义蓄力物品可以通过minecraft:max_damage组件设置其耐久值
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然后在在物品使用事件ItemReleaseUsingServerEvent中获取/设置耐久值
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```python
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slotIndex = 0
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comp = serverApi.CreateComponent(playerId,'Minecraft','item')
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val = comp.GetInvItemDurability(slotIndex)
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if val == 0:
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# 销毁物品
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comp.SetInvItemNum(slotIndex, 0)
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else:
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comp.SetInvItemDurability(slotIndex, val - 1)
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```
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