84 lines
2.6 KiB
Groff
84 lines
2.6 KiB
Groff
.\" Process this file with
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.\" groff -man -Tascii qbsp.1
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.\"
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.TH VIS 1 "TYR_VERSION" TYRUTILS
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.SH NAME
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vis \- Compute visibility (PVS) for a Quake BSP file
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.SH SYNOPSIS
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\fBvis\fP [OPTION]... BSPFILE
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.SH DESCRIPTION
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\fBvis\fP is a tool used in the creation of maps for the game Quake. vis
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looks for a .prt file by stripping the file extension from BSPFILE (if any)
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and appending ".prt". vis then calculates the potentially visible set (PVS)
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information before updating the .bsp file, overwriting any existing PVS data.
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This vis tool supports the PRT2 format for Quake maps with detail brushes. See
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the qbsp documentation for details.
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Compiling a map (without the -fast parameter) can take a long time, even days
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or weeks in extreme cases. Vis will attempt to write a state file every five
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minutes so that progress will not be lost in case the computer needs to be
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rebooted or an unexpected power outage occurs.
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.SH OPTIONS
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.IP "\fB\-threads n\fP"
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Set number of threads explicitly. By default vis will attempt to detect the
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number of CPUs/cores available.
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.IP "\fB\-fast\fP"
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Skip detailed calculations and calculate a very loose set of PVS
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data. Sometimes useful for a quick test while developing a map.
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.IP "\fB\-level n\fP"
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Select a test level from 0 to 4 for detailed visibility calculations. Lower
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levels are not necessarily faster in in all cases. It is not recommended that
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you change the default level unless you are experiencing problems. Default 4.
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.IP "\fB\-v\fP"
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Verbose output.
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.IP "\fB\-vv\fP"
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Very verbose output.
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.IP "\fB\-noambientsky\fP"
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Disable ambient sound generation for textures with names beginning with 'SKY'.
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.IP "\fB\-noambientwater\fP"
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Disable ambient sound generation for textures with names beginning
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with '*WATER' or '*04WATER'.
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.IP "\fB\-noambientslime\fP"
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Disable ambient sound generation for textures with names beginning
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with '*SLIME'.
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.IP "\fB\-noambientlava\fP"
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Disable ambient sound generation for textures with names beginning
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with '*LAVA'.
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.IP "\fB\-noambient\fP"
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Disable all ambient sound generation.
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.SH AUTHOR
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Written by Kevin Shanahan (aka Tyrann)
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.br
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Based on source provided by id Software
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.br
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http://disenchant.net
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.br
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.SH REPORTING BUGS
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Please send bug reports to tyrann@disenchant.net.
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.br
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Improvements to the documentation are welcome and encouraged.
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.SH COPYRIGHT
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Copyright (C) 2013 Kevin Shanahan
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.br
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Copyright (C) 1997 id Software
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.br
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License GPLv2+: GNU GPL version 2 or later
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.br
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<http://gnu.org/licenses/gpl2.html>.
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.PP
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This is free software: you are free to change and redistribute it. There is
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NO WARRANTY, to the extent permitted by law.
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.SH "SEE ALSO"
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\fBqbsp\fP(1)
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\fBlight\fP(1)
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\fBquake\fP(6)
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