DAI Engine ( Decisions and Impulses / D.A.I. )

Version 1.9

Game Customization Framework

• Added 19 new JSON-driven game customization registries:
  • Sounds
  • Music
  • HUDs
  • Render Profiles
  • Structures
  • World Features
  • Loot
  • Currencies
  • Shops
  • Dialogues
  • Quests
  • Factions
  • Biomes
  • Dimensions
  • Rulesets
  • Vehicles
  • Interactives
  • Fluids
  • Environments
• Added a shared customization definition format for properties, numbers, flags, tags, entries, sequences, commands, textures, models, carriers, and events.
• Added runtime activation, deactivation, ticking, and event dispatch for customization definitions.
• Added action, function, and trusted server-command event routing.
• Added runtime placeholders for player, UUID, coordinates, values, registry kind, definition ID, event, and target data.

Customization Actions

• Added generic customization_event, customization_activate, and customization_deactivate actions.
• Added dedicated actions for sounds, music, HUDs, render profiles, structures, features, loot, currencies, shops, dialogues, quests, factions, biomes, dimensions, rulesets, vehicles, interactives, fluids, and environments.
• Added direct vanilla-backed behavior for common customization actions where possible.
• Added scoreboard-backed currency operations.
• Added ruleset-driven gamerule application.
• Added structure template and configured feature placement support.
• Added loot-table granting support.
• Added vehicle spawning, mounting, dismounting, and removal support.
• Added dimension transfer and environment material placement support.

HUD & Presentation

• Added JSON-defined HUD sprite rendering using DAI's existing overlay system.
• Added configurable HUD position, size, Z-order, lifetime, alpha, color, anchor, and interaction settings.
• Added clickable HUD elements.
• Added optional vanilla HUD suppression.
• Added automatic cleanup of active customization HUD state when leaving a session.

Reactions

• Expanded reactions beyond player_attack_entity.
• Added player_use_block reactions.
• Added player_use_item reactions.
• Added player_interact_entity reactions.
• Added player_start_break_block reactions.
• Added PRE, DURING, and POST support to the new reaction events.
• Added Cancel and Override support to the new interaction reactions.
• Added block position and held-item context to reaction dispatch.
• Added reaction conditions for block ID, block coordinates, held item ID, and presence of block/item context.

Entities & NPCs

• Expanded dai_entities gameplay configuration.
• Added faction references to entity definitions.
• Added dialogue references to entity definitions.
• Added loot references to entity definitions.
• Added JSON-defined entity equipment.
• Added entity gameplay event mappings.
• Added optional vanilla AI disabling for custom entities.
• Expanded supported vanilla entity templates, including creepers, skeletons, spiders, endermen, iron golems, horses, rabbits, foxes, bees, goats, frogs, allays, wardens, blazes, ghasts, drowned, and pillagers.
• Hardened renderer-template lookup so unsupported renderer mappings fail safely instead of crashing.

Conditions

• Added customization_exists.
• Added customization_active.
• Added customization_count.
• Added reaction_has_block.
• Added reaction_block_id.
• Added reaction_block_x, reaction_block_y, and reaction_block_z.
• Added reaction_has_item.
• Added reaction_item_id.

Validation

• Added validation for all new customization registries.
• Added validation for customization carriers, sequences, events, and references.
• Added entity faction, dialogue, loot, equipment, and gameplay-event validation.
• Added safer handling of malformed or unresolved customization references.

Server / Client Integration

• Added server-side loading for all new customization registries.
• Added client-side loading and merging for customization definitions.
• Added trusted server-owned customization event dispatch.
• Added rollback behavior when server-side customization activation fails.
• Added customization runtime state cleanup between sessions.

Compatibility & Stability

• Updated DAI feature level to 1.9.
• Fixed Minecraft 26.2 MultiPlayerGameMode reaction mixin signatures.
• Fixed block-use, item-use, and entity-interaction reaction hooks.
• Fixed a world-exit issue where returning to the title screen could accidentally trigger the custom Quit button.
• Added title-screen transition and click guards.
• Added logging for explicit custom title-screen Quit actions.
• Preserved MineTrigger compatibility with the new 1.9 runtime.
• Preserved existing menu, automation, recognition, recipe, overlay, experience, worldgen, item, block, weapon, armor, potion, projectile, particle, enchantment, and reaction systems.

Development Direction

• Version 1.9 completes DAI's planned major Java feature expansion.
• Future development from 1.9 toward 2.0 is focused on bug fixes, stability, performance, compatibility, validation, Creator parity, and refinement rather than adding new Java feature categories.