🏛️ HyroCore - The Ultimate All-in-One Server Core Engine

HyroCore is a modern, high-performance core foundation plugin designed for Paper / Purpur (1.20 - 1.21.x) servers. It integrates an interactive Server Bank with passive interest, a 30-Day Login Streak Calendar, a built-in Auction House, a Deluxe GUI engine, Staff Chat, and a Web Bridge system—all with 0% TPS impact!

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🌟 Key Features

🏦 1. Server Bank & Savings (/bank)

• Secure Vault: Keep your money safe in a personal bank account, protected from accidental in-game loss.
• Passive Compound Interest: Players earn automatic passive interest (+0.25%/day) compounded each time they log in.
• Smart 45-Slot GUI: Instant deposit buttons for 25%, 50%, 100%, or custom amounts.

📅 2. 30-Day Login Streak Calendar (/daily)

• Interactive 54-Slot Interface: Displays all 30 days of the month with intuitive claim statuses.
• Milestone Rewards:
  • Day 7: Double multiplier rewards + bonus cash & EXP.
  • Day 14: Rare reward bundles.
  • Day 21: Epic rewards & cosmetic vouchers.
  • Day 30: Grand Jackpot + server-wide broadcast announcement!
• Anti-Spoofing: Time validation calculated using server-side epoch time to prevent date-cheating.

🛒 3. Integrated Auction House & Mailbox (/coreah)

• Live Trading: Fast Buy-It-Now (BIN) listing and dynamic bidding system.
• Offline Mailbox (/coreah mailbox): Safely stores unsold items, expired listings, or sales revenue when a player's inventory is full or when they are offline.

🔒 4. Staff Chat Channel (/sc)

• Isolated Team Chat: Private, secure communication channel for administrators and staff members.
• Toggleable Mode: Easily switch between normal chat and staff chat with /sc.

🌐 5. Web Bridge & Account Linking (/link)

• Website Sync: Generates secure one-time linking codes to pair Minecraft accounts with external web portals and Discord bots.

🎨 6. Deluxe Dynamic GUI Engine

• Resource Pack Ready: Full support for negative-space font glyphs and CustomModelData textures for clean, modern custom GUI backgrounds without default Minecraft borders.

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⌨️ Commands & Permissions

Command	Permission	Description
/bank	hyrocore.bank.use	Opens the personal bank vault GUI
/daily	hyrocore.daily.use	Opens the 30-day login reward calendar
/coreah	hyrocore.auction.use	Opens the built-in Auction House market
/sc [message]	hyrocore.staffchat	Sends a message to the staff channel or toggles it
/link [code]	hyrocore.link	Links Minecraft account to external website
/hyrocore reload	hyrocore.admin	Reloads plugin configurations and database pools

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⚙️ Compatibility & Installation

Requirements

• Server Software: PaperMC or Purpur (1.20 - 1.21.x)
• Java Version: Java 21 or newer
• Required Dependency: Vault + any Vault-compatible Economy provider (EssentialsX, etc.)
• Optional Integrations: PlaceholderAPI, LuckPerms, ItemsAdder

Installation

1. Download the latest HyroCore.jar.
2. Place it into your server's plugins/ directory.
3. Ensure Vault is installed.
4. Restart your server.
5. Configure config.yml to fit your server's economy balance!