AVFX Files
This page contains the file structure itself. What each of the structures listed here are used for can be on other pages.
AVFX files are organized as a nested series of blocks, with each block following the format:
The contents of a block can further contain other blocks. It is also worth noting that the name of a block is reversed from its actual meaning. For example, the "top-level" block for an AVFX file is "XFVA"(AVFX reversed). Names which are fewer than 4 character are also padded out to 4 bytes. Blocks are also padded out to be 4-aligned, so even if Sizeis 3, there will be an extra 00 before the next block starts.
Overview
Note: the names of the blocks are reversed for readability. Also, the notation TmLn[], for example, simply means several sequential TmLn blocks, one directly after the other. There is no "list" structure in AVFX files.
The structure is also abridged for brevity, the full list of parameters can be found at the link below.
Scheduler (Schd)
Schd)Items and Triggers
The way Item and Trgr blocks are organized is somewhat unintuitive. Both of them have an identical structure:
However, each subsequent Item/Trgr will have the data of the previous appended to it. For example:
For this reason, the easiest way to read a list of Item is to take the last one, and split it into 3-block chunks.
Timeline (TmLn)
TmLn)Timeline Items
Timeline clips
Timeline clips are different in that the data they contain is not organized into blocks, but is rather one continuous 164-byte:
Emitter (Emit)
Emit)Emitter/Particle Items
Particle (Ptcl)
Ptcl)Particle Simple Animations
The Smpl block contains 2 unique parameters: Cols and Frms. Cols is 16 bytes, where each 4 bytes represent an rgba color (each byte is one channel). Frms is 8 bytes, where each 2 bytes is an integer.
Effector (Efct)
Efct)Binder (Bind)
Bind)Texture (Tex)
Tex)Texture blocks are simply paths to atex files within the game's internal file structure.
Model (Modl)
Modl)The embedded models have 4 possible blocks within them: VNum , VDrw , VEmt, and VIdx . All 4 of the blocks can be in the same model, however VNum and VEmt are always paired, as are VIdx and VDrw .
VIdx
VIdxThis is a list of 2-byte integers, where each 3 integers represents a triangle in the model. The integers themselves are the indexes of vertices within VDrw .
VDrw
VDrwVDrw is a list of vertices, where each vertex is 36 bytes long with the following format:
VEmt
VEmtThis is a list of 28-byte vertices, with the following format:
VNum
VNumThis is a list of 2-byte integers, where each integer corresponds to a vertex in VEmt (so the length of elements in VNum always equals the number in VEmt).
Curves
Curves have the following structure:
The name of a curve varies, but some examples are X ,RGB , SclA , etc. They are used to animate motion over time. Keys is a single block which contains the information on the shape of the curve. Every 16 bytes in Keys corresponds to a single keyframe, with the following format:
Last updated
Was this helpful?