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A '''p'''o'''rt'''al (.prt) file is a list of the portals in your .[[BSP]], generated by [[VBSP]] and then used by [[VVIS]] to perform visibility calculations. It is a simple ASCII file and its format is as follows: | |||
<pre> | |||
PRT1 | |||
<Leaf Count> | |||
<Portal Count> | |||
<Vertex Count> <Leaf A> <Leaf B> (X Y Z) (X Y Z) (X Y Z) (X Y Z)... | |||
<Vertex Count> <Leaf A> <Leaf B> (X Y Z) (X Y Z) (X Y Z) (X Y Z)... | |||
<Vertex Count> <Leaf A> <Leaf B> (X Y Z) (X Y Z) (X Y Z) (X Y Z)... | |||
... | |||
</pre> | |||
The PRT1 signature is specific to [[Source]], older tools don't generate it. You can view these files in [[GLView]] or {{hammer|2}}. | |||
==See also== | |||
*[[.pts]] files are generated by VBSP in the event of a map [[leak]], and can be used to identify its approximate location. | |||
[[Category:Level Design]] | |||
[[Category:Plain text formats]] | |||
[[Category:Source]] | |||
Latest revision as of 03:01, 4 January 2024
A portal (.prt) file is a list of the portals in your .BSP, generated by VBSP and then used by VVIS to perform visibility calculations. It is a simple ASCII file and its format is as follows:
PRT1 <Leaf Count> <Portal Count> <Vertex Count> <Leaf A> <Leaf B> (X Y Z) (X Y Z) (X Y Z) (X Y Z)... <Vertex Count> <Leaf A> <Leaf B> (X Y Z) (X Y Z) (X Y Z) (X Y Z)... <Vertex Count> <Leaf A> <Leaf B> (X Y Z) (X Y Z) (X Y Z) (X Y Z)... ...
The PRT1 signature is specific to Source, older tools don't generate it. You can view these files in GLView or 
Hammer.