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Documentation

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Revision as of 22:13, 11 July 2025 by Justin113D (talk | contribs) (Added sca parameters and shader features)

This section lists documentation pages for resources you'll find in Sonic games. You'll find information about certain file formats and other general game resources.

Rendering

Name Info
Hedgehog Engine Render engine first used in Sonic Unleashed
Hedgehog Engine 2 Render Engine first used in Sonic Forces

Models

Name Info Extension Tools
SCA Parameters Model and mesh parameters stored in SCA file headers

Shaders

Name Info Extension Tools
Shader Features Hedgehog engine 1 shader features

Set-Data

Name Description Extension Tools
HSON (Hedgehog Set Object Notation) Universal object placement representation format. .hson

User Interface

Name Description Extension Tools
NCP (Ninja CellSpriteDraw Project) Describes a user interface in most Hedgehog Engine games.

.xncp

.yncp

.gncp

.sncp

Archives

Name Description Extension Tools
NN Chunk Generic container format.

Animation

Name Description Extension Tools
PXD Animation Skeleton and skeletal animation format in Hedgehog Engine 2 Games

.anm.pxd

.skl.pxd

Frontiers Animation Tools
PBA Skeleton Physics Based Animation Skeleton for Hedgehog Engine 2 Games .pba
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