首先你需要去下载Renderjs, Powerfuljs 和 ProbeJS
然后按照这个案例修改就可以了
startup_scripts/src/block.js
const { $Player } = require("packages/net/minecraft/world/entity/player/$Player");
const { $ItemStack } = require("packages/net/minecraft/world/item/$ItemStack");
// 一个常量，值为0
const OMMMMO = 0;
// 注册方块和相关功能
StartupEvents.registry("block", event => {
event.create("pedestal")
.blockEntity(info => {
info.inventory(1, 1); // 创建一个有一个槽的库存
info.attachCapability(
CapabilityBuilder.ITEM.blockEntity()
.extractItem((blockEntity, slot, amount, simulate) => blockEntity.inventory.extractItem(slot, amount, simulate)) // 提取物品
.insertItem((blockEntity, slot, stack, simulate) => blockEntity.inventory.insertItem(slot, stack, simulate)) // 插入物品
.getSlotLimit((blockEntity, slot) => blockEntity.inventory.getSlotLimit(slot)) // 获取槽位限制
.getSlots((blockEntity) => blockEntity.inventory.slots) // 获取所有槽位
.getStackInSlot((blockEntity, slot) => blockEntity.inventory.getStackInSlot(slot)) // 获取槽位中的物品
.isItemValid((blockEntity, slot, stack) => blockEntity.inventory.isItemValid(slot, stack)) // 检查物品是否有效
.availableOn((blockEntity, direction) => direction != Direction.UP) // 方块的有效方向
);
info.serverTick(OMMMMO, 0, be => {
be.load(be.block.entityData); // 加载方块实体数据
const level = be.level;
if (!level) return;
const players = be.level.getPlayers();
if (!players || players.length === 0) return;
const player = players[0];
if (!player) return;
// 发送数据到客户端
player.sendData("pedestal", {
entityData: be.block.entityData,
pos: {
x: be.block.pos.x,
y: be.block.pos.y,
z: be.block.pos.z
}
});
});
})
.rightClick(e => {
/**
* 更新物品
* @param {*} block 方块
* @param {*} item 物品
* @param {*} isNew 是否是新物品
* @param {$Player} player 玩家
*/
const updateItems = (block, item, isNew) => {
const items = block.getEntityData().attachments[0].items || [];
if (isNew) {
items.push(item); // 添加新物品
} else {
Object.assign(items[0], item); // 更新现有物品
}
const newAttachment = {
id: item.id,
Count: item.Count
};
if (item.tag) {
newAttachment.tag = item.tag; // 添加NBT标签
}
block.mergeEntityData({
attachments: [{ items: [newAttachment] }]
});
};
let { id, nbt, count, setCount } = e.player.getHeldItem("main_hand");
if (id === "minecraft:air") return; // 如果手持物品为空气，直接返回
const bitem = { id: id, Count: count };
if (nbt) {
bitem.tag = nbt; // 如果有NBT标签，添加到物品中
}
const items = e.block.getEntityData().attachments[0].items || [];
updateItems(e.block, { Count: bitem.Count, Slot: 0, id: bitem.id, tag: bitem.tag }, items.length === 0); // 更新物品
});
});
client_scripts/src/render.js
const { $Vec3 } = require("packages/net/minecraft/world/phys/$Vec3");
const { $Axis } = require("packages/com/mojang/math/$Axis");
const { $ItemStack } = require("packages/net/minecraft/world/item/$ItemStack");
const { $BlockPos } = require("packages/net/minecraft/core/$BlockPos");
// 存储项目的位置和物品信息
let _Items = [{
pos: "0_-71_0",
item: Item.of("minecraft:air", 1) // 默认初始物品为空气
}];
// 添加或更新物品
function _addItem(pos, item) {
_removeItem("0_-71_0"); // 移除默认位置的物品
const index = _Items.findIndex(i => i.pos === pos);
if (index !== -1) {
_Items[index].item = item; // 更新现有物品
} else {
_Items.push({ pos: pos, item: item }); // 添加新物品
}
}
// 获取指定位置的物品
function _getItem(pos) {
const item = _Items.find(i => i.pos === pos);
return item ? item.item : null; // 找到返回物品，否则返回null
}
// 设置物品
function _setItem(pos, item) {
_removeItem("0_-71_0"); // 移除默认位置的物品
const index = _Items.findIndex(i => i.pos === pos);
if (index !== -1) {
_Items[index].item = item; // 更新现有物品
} else {}
}
// 移除指定位置的物品
function _removeItem(pos) {
const index = _Items.findIndex(i => i.pos === pos);
if (index !== -1) {
_Items.splice(index, 1); // 移除物品
} else {}
}
// 处理接收到的数据
NetworkEvents.dataReceived("pedestal", e => {
const { level, data } = e;
const pos2str = `${data.pos.x}_${data.pos.y}_${data.pos.z}`; // 将位置转换为字符串
const itemData = data.entityData.attachments[0].items[0];
if (!itemData || itemData.id === "minecraft:air") return; // 如果没有物品或物品为空气，直接返回
const itemStack = new $ItemStack(itemData.id, itemData.Count, itemData.tag);
const itembool = _getItem(pos2str) == itemStack;
itembool ? _setItem(pos2str, itemStack) : _addItem(pos2str, itemStack); // 根据物品是否存在决定添加或更新
_Items.forEach((z) => {
const pos = str2pos(z.pos);
level.getBlock(pos).id != "kubejs:pedestal" && _removeItem(z.pos); // 如果位置的方块不是pedestal，则移除物品
});
});
// 渲染物品
RenderJSEvents.AddWorldRender((e) => {
console.log([_Items]);
e.addWorldRender((r) => {
_Items.forEach((_i) => {
const itemStack = _i.item;
const _pos = str2pos(_i.pos);
const camera = r.camera;
const cameraX = camera.position.get("x");
const cameraY = camera.position.get("y");
const cameraZ = camera.position.get("z");
const block = Client.level.getBlock(_pos);
if (block.id == "kubejs:pedestal") {
r.poseStack.pushPose();
const pos = _n(_pos);
const renderX = pos.x + 0.5;
const renderY = pos.y + 1.25;
const renderZ = pos.z + 0.5;
r.poseStack.translate(renderX - cameraX, renderY - cameraY, renderZ - cameraZ);
const time = Date.now();
const angle = (time / 10) % 360; // 计算旋转角度
r.poseStack.mulPose($Axis.YP.rotationDegrees(angle)); // 在Y轴旋转物品
r.poseStack.scale(0.95, 0.95, 0.95); // 缩放物品
RenderJSWorldRender.renderItem(r.poseStack, itemStack, 15, 15, Client.level); // 渲染物品
r.poseStack.popPose();
} else {
_removeItem(_i.pos); // 如果方块不是pedestal，移除物品
}
});
});
});
// OTMapper 配置
export const OTMapper = {
NO_OVERLAY: 655360.0,
NO_WHITE_U: 0.0,
RED_OVERLAY_V: 3.0,
WHITE_OVERLAY_V: 10.0
};
// 将 $Vec3 对象转换为普通对象
function _n(_pos) {
return { x: _pos.get("x"), y: _pos.get("y"), z: _pos.get("z") };
}
// 将字符串位置转换为 $BlockPos 对象
const str2pos = (str) => {
let _pos = str.split("_").map((e) => parseInt(e));
return new $BlockPos(_pos[0], _pos[1], _pos[2]);
};
