Интерфейс

import { give_rubies } from "/lib/rewards"

const SHOP = form("Ruby shop", {
    body: "Rubies cost 10 emeralds each.",
    fields: [
        { slider: "amount", label: "Rubies", min: 1, max: 16, default: 1 },
        { toggle: "gift", label: "Wrap as a gift" },
        { choice: "pouch", label: "Pouch", options: ["leather", "silk"] },
        { text: "note", label: "Note" }
    ],
    buttons: [{ id: "buy", label: "Buy" }, "cancel"]
})

fun open_shop(p: Player) {
    p.show_form(SHOP, fun(r) {
        if r.button != "buy" { return }                  // closed with Esc or cancelled
        let n = int(r.number("amount") ?? 1)
        if p.inventory.count("minecraft:emerald") < n * 10 { p.send("&cNot enough emeralds"); return }
        give_rubies(p, n)
        if r.toggle("gift") { p.send("&dWrapped in {r.choice("pouch")}: {r.text("note")}") }
    })
}

import { open_shop } from "/ui/shop"

command shop describe "Buy rubies" {
    if player == null { return "Players only" }
    open_shop(player)
}

package com.example.rubies.ui

object ShopForm {
    private val form = Form("Ruby shop").apply {
        body = "Rubies cost 10 emeralds each."
        slider("amount", "Rubies", 1.0, 16.0, default = 1.0)
        toggle("gift", "Wrap as a gift")
        choice("pouch", "Pouch", listOf("leather", "silk"))
        text("note", "Note")
        button("buy", "Buy")
        button("cancel", "Cancel")
    }

    fun show(player: Player) = player.showForm(form) { r ->
        if (r.button != "buy") return@showForm                 // closed with Esc or cancelled
        val n = (r.number("amount") ?: 1.0).toInt()
        if (player.inventory.count(Identifier.parse("minecraft:emerald")) < n * 10) { player.send("&cNot enough emeralds"); return@showForm }
        player.give(ItemStack.of(Items.RUBY, n))
        if (r.toggle("gift") == true) player.send("&dWrapped in ${r.choice("pouch")}: ${r.text("note")}")
    }
}

const TIMER = server.boss_bar("rubies:countdown", "&cРубиновая лихорадка", "red", "segments_10")
let left = 60

on join { TIMER.show(player) }

every 1 second {
    left = max(0, left - 1)
    TIMER.progress = left / 60
    TIMER.title = "&cРубиновая лихорадка: {left} с"
    if left == 0 { TIMER.remove() }
}

import { visits } from "/lib/storage"

on join {
    player.set_sidebar("&6Рубины", [
        "&fВизиты: &e{visits(player)}",
        "&fРубины: &c{player.inventory.count("rubies:ruby")}"
    ])
}

key "dash" { label: "Dash", default: "R" }
key "heal" { label: "Second wind", default: "G" }

on key(e) {
    let p = e.player
    if e.key == "dashmod:dash" && !p.has_cooldown("minecraft:feather") {
        let d = p.direction
        p.velocity = vector(d.x * 1.6, 0.35, d.z * 1.6)
        p.set_cooldown("minecraft:feather", 2)
    }
    if e.key == "dashmod:heal" { p.heal(6) }
}