Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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#
# Arguments parsing
#
local $script = $0;
while ( 1 )
{
local $arg = shift;
if ( $arg =~ /^-patch$/i )
{ goto RUN_PATCH; }
if ( $arg =~ /^-patchall$/i )
{ goto RUN_PATCH_ALL; }
# default mode - forward to -patch:
exit system( "dir /s /b *.vtf | perl $script -patchall" );
}
RUN_PATCH_ALL:
#
# ----------- Patch a list of VTF files --------
#
while ( <> )
{
local $line = $_;
$line =~ s/^\s*(.*)\s*$/$1/;
PatchVtfFile( $line );
}
exit 0;
RUN_PATCH:
#
# ----------- Patch a VTF file --------
#
local $filename = shift;
exit PatchVtfFile( $filename );
sub PatchVtfFile
{
local *fileptr;
local $filename = shift;
local $vtfFlags;
print "$filename ... ";
`p4 edit "$filename" >nul 2>&1`;
if ( !open( fileptr, "+<$filename" ) )
{
print "ERROR!\n";
return 1;
}
binmode( fileptr );
seek( fileptr, 5 * 4, 0 );
read( fileptr, $vtfFlags, 4 );
$vtfFlags = unpack( "I", $vtfFlags );
# dropping the NOCOMPRESS flag that will be used for SRGB
# dropping all the removed flags too
$vtfFlags = $vtfFlags & 0x2E87FFBF; # mask and
seek( fileptr, 5 * 4, 0 );
print fileptr pack( "I", $vtfFlags );
close( fileptr );
print "ok.\n";
return 0;
}