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Prismatica: Schematic Utility

A fast, lag-free client-side schematic mod for NeoForge. Supports .litematic & .schem with 3D gizmos, radial menus, and server-safe EasyPlace.
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prismatica-1.1.0-neoforge-1.21.2.jar

File nameprismatica-1.1.0-neoforge-1.21.2.jar
Uploader
MDLAMDLA
Uploaded
Oct 31, 2026
Downloads
6
Size
877.2 KB
Mod Loaders
NeoForge
File ID
9386105
Type
R
Release
Supported game versions
  • 1.21.2

Curse Maven Snippet

NeoForge

implementation "curse.maven:prismatica-schematic-utility-1776418:9386105"

Learn more about Curse Maven

What's new

New Features

  • Creative Printer: Added a Creative-only auto-printer mode (default key P) that automatically builds the schematic around you as you fly, plus an Instant Full-Schematic Paste button in Singleplayer Creative.
  • In-World Schematic Configuration Screen (K): Configure already placed schematics on the fly — edit exact Gizmo origin coordinates (X / Y / Z), rotation, mirror, opacity, render radius, and EasyPlace protocol (Instant / Vanilla Safe).
  • Relative Teleportation: Teleport directly to the schematic Gizmo origin (0, 0, 0) or to custom relative coordinates (dX, dY, dZ offset from the Gizmo).
  • Area Selection & .litematic Export: Select any world region (LMB for Pos1, RMB for Pos2) and save it directly as a .litematic file.
  • HUD Target Indicator: The on-screen HUD now shows the icon and name of the schematic block currently under your crosshair.

Performance & Rendering

  • Static VBO Bubble Caching: Replaced per-frame immediate mode block rendering with a back-to-front sorted VertexBuffer (VBO) cache, massively boosting FPS and eliminating frame drops.
  • Directional 3D Shading & Crisp Visibility: Improved default ghost block opacity, added directional face shading for clear 3D depth, and fixed missing faces on blocks pinched between fences, walls, and mixed block palettes.
  • Instant Ghost Block Updates: Ghost blocks now disappear on the exact frame a real block is placed, with a smooth fade-in at the outer edge of the render sphere.
  • O(1) Transformed Palette Cache: Pre-computed Rotation and Mirror block states per palette index and eliminated per-frame BlockPos / AABB heap allocations.

Bug Fixes

  • Sign & BlockEntity Ghost Textures: Fixed ghost signs, hanging signs, chests, beds, and banners binding the wrong texture atlas (blocks.png instead of their respective entity sheets).
  • Slab Merging Prevention: Fixed EasyPlace and Printer accidentally merging single slabs into adjacent slabs (SlabBlock.canBeReplaced protection).
  • Smarter EasyPlace & Support Bridging: Increased support bridge search depth to 8 blocks, added server-side reach validation on support faces, auto-sneaking for single chests and interactive blocks, and automatic sign editor closing.
  • Accurate Error Highlights: Fences, walls, glass panes, and stairs no longer show false-positive "wrong state" orange highlights while their adjacent connecting blocks are still unplaced.
  • Large .litematic Support: Fixed 32-bit bit-index integer overflow when reading and writing large schematics.
  • Localization Fix: Repaired UTF-8 encoding and formatting symbols across all language files.

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