The GRT-file format is an invented and an open format, from GeneRacing, which is managed under license “CC” – Creative Commons.
The “CC” – Creative Commons license is legally binding on every downloaded, uploaded, used or passed on file of this file format, regardless of the place or time.
Regarding licensing, please read more at the end of the page.

All *.grt container files, including the packaged content, are a part of GeneRacing and could be shared, provided, edited by the functionalities of the game and the users.

You, as an editor, are explicitly allowed (following the CC0 license) to unzip the grt-container to modify the content with included and external tools.

A *.grt file is a zip container which includes generally following three files:

  • A normed XML-File which holds all track related informations in format: <trackname>.xml
  • A non-compressed PNG-file which stores the pixelinformation of all texture layers in format: <trackname>.png
  • A non-compressed PNG-file which stores the pixelinformation in grey-scale of all heightmap-points from the terrain in format: <trackname>_heightmap.png

This 3 filed are compressed in the grt-container in format: <trackname>.grt

Formats and limitations for the “Texture” File (<trackname>.png):

  • File extensions *.jpg and *.png are supported by reading, *.png is used for writing
  • Following texture resolutions are supported:
    • 64×64
    • 256×256
    • 512×512
    • 1024×1024
    • 2048×2048
    • 4096×4096
  • Following heightmap resolutions are supported:
    • 64×64
    • 65×65
    • 512×512
    • 513×513
    • 1024×1024
    • 1025×1025
    • 2048×2048
    • 2049×2049

(+1 pixels because each pixel from the texture must be mapped to a polygon (consisting of two triangles), not a pixel, in the terrain mesh)

  • The *.xml file is following the xml standards, well formed:
    • XML documents must have a root element
    • XML elements must have a closing tag
    • XML tags are case sensitive
    • XML elements must be properly nested
    • XML attribute values must be quoted
  • The *.grt xml scheme is following this structure

 

<?xml version=”1.0″ encoding=”UTF-8″?>

<GeneRacingTrackInfos>

<Trackname>Trackname</Trackname>

<TrackVersion>0.1</TrackVersion>

<TrackPart>1/1</TrackPart>

<TrackTime>0.5</TrackTime>

<CamDefaultAngle>45</CamDefaultAngle>

<CamDefaultRotation>0</CamDefaultRotation>

<CamDefaultZoom>50</CamDefaultZoom>

<TrackSize>310</TrackSize>

<WaterLevel>50</WaterLevel>

<TexturePath>Trackname.png</TexturePath>

<TextureWidth>2048</TextureWidth>

<TextureHeight>2048</TextureHeight>

<HeightmapPath>Trackname_heightmap.png</HeightmapPath>

<HeightmapWidth>2049</HeightmapWidth>

<HeightmapHeight>2049</HeightmapHeight>

<LampObjects>0</LampObjects>

<PitCrewObjects>0</PitCrewObjects>

<CheckPointsObjects>0</CheckPointsObjects>

<TrackObjects>0</TrackObjects>

-<PitCrewObjectList>

-<PitEntry>

<id>0</id>

<X>150</X>

<Y>0</Y>

<Z>150</Z>

<RotationY>0</RotationY>

<ScaleModifierX>0</ScaleModifierX>

<ScaleModifierY>0</ScaleModifierY>

<ScaleModifierZ>0</ScaleModifierZ>

</PitEntry>

</PitCrewObjectList>

-<CheckPointsObjectsList>

-<CPEntry>

<id>0</id>

<X0>2</X0>

<Z0>5</Z0>

<X1>126</X1>

<Z1>5</Z1>

<Y>512</Y>

</CPEntry>

-<TrackObjectList>

-<TOEntry>

<id>0</id>

<Class>SpawnPoint</Class>

<X>269</X>

<Y>0</Y>

<Z>259</Z>

<RotationY>0</RotationY>

<ScaleModifierX>0</ScaleModifierX>

<ScaleModifierY>0</ScaleModifierY>

<ScaleModifierZ>0</ScaleModifierZ>

</TOEntry>

</TrackObjectList>

-<CreativeCommonLicense-CC0>

<Link>https://creativecommons.org/licenses/</Link>

<License>CC0</License>

<LicenseOwner>GeneRacing</LicenseOwner>

<LicenseOwnerLink>https://www.gent-racing.com</LicenseOwnerLink>

</CreativeCommonLicense-CC0>

</GeneRacingTrackInfos>

 

This GRT file format definition represents v0.2 – dated 9.2.2021 and is constantly being extended/updated

 

 

“CC” – Creative Commons License – CC0 1.0 Universal – Public Domain Dedication

The * .grt is an open file format to ensure that user content can be exchanged and transferred quickly, simply and easily.
The legal basis for this is the Common Creative License, CC0 1.0 Universal Public Domain Dedication.

The person who associated a work with this deed has dedicated the work to the public domain by waiving all of his or her rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law.

You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission. See Other Information below.

For detailed informations for this license click >here< or >here<.


Source: creativecommons.org via Wikimedia Commons

Creative Commons Legal Code

CC0 1.0 Universal

Official translations of this legal tool are available

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CC0

To the extent possible under law, GeneRacing has waived all copyright and related or neighboring rights to GeneRacing. This work is published from: Österreich.