Iron's Spells 'n Spellbooks

This version includes Jar-in-Jar distribution of playeranimator, as permitted by their license (MIT)

Additions

• Port to 1.21
• Added crouch display to Alchemist Cauldron contents
• Added specific Stronghold/End City loot tables for magic items
• Added Loot to Trial Chambers
  • Pots
    • Chance to drop Arcane Essence, or rarely drop a Scroll
  • Chests
    • Arcane Essence, Cloth, Scrolls, Blank Runes, Curios, Ink, and Elixirs
  • Spawners
    • Mana Potions
  • Ominous Spawners
    • High Quality Mana Potions, and Elixirs
  • Vaults
    • Scrolls, Ink, Curios, Arcane Essence, and Blank Runes
  • Ominous Vaults
    • Magic Equipment, High Tier Resources, Empty Upgrade Orbs, High Quality Scrolls/Ink, and Arcane Essence
• Added Mithril
  • Mithril Ingot
  • Mithril Scrap
  • Raw Mithril
  • Mithril Ore
  • Deepslate Mithril Ore
• Added Weapon Parts, crafted from Mithril and used for crafting magic weapons
• Added Spellbreaker, a craftable imbued sword
• Added Amethyst Rapier, a craftable imbued sword
• Added Autoloader Crossbow, a unique Trial Chambers reward
• Added Ring of Expulsion, a unique Trial Chambers reward
• Added Ring of Visibility, a unique Trial Chambers reward

Changes

• Affinity Data can now specify a bonus greater than 1
• Arcane Anvil now returns Upgrade Orbs when using a Shriving Stone
• Reworked Alchemist Cauldron
  • Water Level and Liquid Contents are no longer separate values. This should make interactions much more intuitive
• Loot-Only curios can now be recycled
  • Can be Smelted into Mithril Scrap, and crafted from Mithril Scrap and a designated item
• Affinity Rings can now be attuned to specific spells by combining a ring with a scroll of any level in the Arcane Anvil
• Pyromancer Chestplate now has a cape addition
• Casting Mobs now display capes from armor with capes

Fixes

• Fixed Firefly Jar not having a loot table
• Fixed True Invisibility not affecting the aggro of mobs that use Brain for targeting
• Fixed Inscription Table ghost block/dupe when exploded
• Fixed Abyssal Shroud destination logic
• Fixed Inscription Table bug/exploit relating to death

API

• Removed irsonspellbooks from java group id
  • io.redspace.ironsspellbooks.irons_spellbooks => io.redspace.irons_spellbooks
• Removed Deprecated Content
  • CastType#holdToCast
  • AbstractSpell#needsLearning (replaced by AbstractSpell#requiresLearning)
  • AbstractEldritchSpell class
• Added Events
  • AlchemistCauldronBuildInteractionsEvent