Engine Terminology

Engine Terminology

This list is incomplete

Common terms, shorthand's, and abbreviations used by the GODS engine, and LegoRR when not referring to game-specific names (i.e. Achievement, but not Geo-Dome).

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Spelling

The available source code and Lego.cfg file shows that DDI uses British English spellings for words.

Used	Unused	Notes
Behaviour	Behavior	Rarely(never?) seen in code outside of comments
Center Centre		US spelling will likely be opted for, due to inconsistent usage
Colour RGB	Color	Color is seen used on very rare occasions
Finalise	Finalize
Initialise	Initialize	Module setup
Neighbour	Neighbor
Normalise Normalize		Both spellings used in Maths module (with Normalize as the primary)

Mispellings

Inconsistent and incorrect spellings that will not be adopted by OpenLRR.

Incorrect	Correct
Acheive	Achieve

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Terminology

Term	Expanded	Notes
Act	Activity	.ae files and the current behaviour/animation of an object
Anim	Animation	Shorthand is used for 3D animation resources
D3D	Direct3D	(See IM)
D3DRM	Direct3DRM	(See RM)
DDraw	DirectDraw	2D drawing API
Flic		.flh Autodesk 2D animation file format
FTM	Force Texture Management	-ftm command line option (primarily for Voodoo2 cards)
FVF	Force Vertex Fog	-fvf command line option
Init	Initialise	1. Setup for a portion of a module or structure 2. Init module for the Mode Selection dialog
IM	Immediate Mode	Direct3D API (low level) for fine tuned management of 3D space and rendering
Lightwave LW		File format for models .lws scene files (plaintext) .lwo object files (binary)
ListSet		Common type of pool/container for storing frequently allocated structures (used by 9 modules)
Null		Point of interests defined in Lightwave models
Pen	Palette Entry	8-bit images use a 256-entry palette of 24-bit colours. 0th and 255th (final) entries generally have special properties.
Reduce		-reduce* command line options to exclude loading more expensive game resources (denoted with ! key prefix in Lego.cfg)
RM	Retained Mode	Direct3DRM (D3DRM) API (high level) for controlling positions, movement, animation, lighting, etc.
RNC	Rob Northern Compression	Optional compression method for Wad file entries (never used by LRR)
Shutdown		Module cleanup
Voodoo2		Old graphics card supported by LRR
Wad	"Where's All the Data?"	.wad archive format used to store readonly, non-streamed files within a single system file (improves read speed, reduces total size, and reduces filesystem bloat)