From e16ea21dc8a710237ade8413207f58d403c616a3 Mon Sep 17 00:00:00 2001
From: Joe Ludwig <joe@valvesoftware.com>
Date: Wed, 17 Jul 2013 18:26:59 -0700
Subject: * Added support for building shaders in your mod * Added nav mesh
 support * fixed many warnings and misc bugs * Fixed the create*projects
 scripts in mp * Added a bunch of stuff to .gitignore

---
 mp/src/devtools/bin/copyshaders.pl | 172 +++++++++++++++++++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 mp/src/devtools/bin/copyshaders.pl

(limited to 'mp/src/devtools/bin/copyshaders.pl')

diff --git a/mp/src/devtools/bin/copyshaders.pl b/mp/src/devtools/bin/copyshaders.pl
new file mode 100644
index 00000000..53839298
--- /dev/null
+++ b/mp/src/devtools/bin/copyshaders.pl
@@ -0,0 +1,172 @@
+BEGIN {use File::Basename; push @INC, dirname($0); }
+require "valve_perl_helpers.pl";
+use Cwd;
+use String::CRC32;
+
+sub ReadInputFileWithIncludes
+{
+	local( $filename ) = shift;
+
+	local( *INPUT );
+	local( $output );
+
+	open INPUT, "<$filename" || die;
+
+	local( $line );
+	local( $linenum ) = 1;
+	while( $line = <INPUT> )
+	{
+		if( $line =~ m/\#include\s+\"(.*)\"/i )
+		{
+			$output.= ReadInputFileWithIncludes( $1 );
+		}
+		else
+		{
+			$output .= $line;
+		}
+	}
+
+	close INPUT;
+	return $output;
+}
+
+sub PatchCRC
+{
+	my $filename = shift;
+	my $crc = shift;
+#	print STDERR "PatchCRC( $filename, $crc )\n";
+	local( *FP );
+	open FP, "+<$filename" || die;
+	binmode( FP );
+	seek FP, 6 * 4, 0;
+	my $uInt = "I";
+	if( $filename =~ m/360/ )
+	{
+		$uInt = "N";
+	}
+	print FP pack $uInt, $crc;
+	close FP;
+}
+
+my $txtfilename = shift;
+my $arg = shift;
+
+my $is360 = 0;
+my $platformextension = "";
+if( $arg =~ m/-x360/i )
+{
+	$is360 = 1;
+	$platformextension = ".360";
+}
+
+# Get the changelist number for the Shader Auto Checkout changelist. Will create the changelist if it doesn't exist.
+my $changelistnumber = `valve_p4_create_changelist.cmd ..\\..\\..\\game\\hl2\\shaders \"Shader Auto Checkout VCS\"`;
+# Get rid of the newline
+$changelistnumber =~ s/\n//g;
+
+my $changelistarg = "";
+if( $changelistnumber != 0 )
+{
+	$changelistarg = "-c $changelistnumber"
+}
+
+open TXTFILE, "<$txtfilename";
+
+my $src;
+my $dst;
+while( $src = <TXTFILE> )
+{
+	# get rid of comments
+	$src =~ s,//.*,,g;
+
+	# skip blank lines
+	if( $src =~ m/^\s*$/ )
+	{
+		next;
+	}
+
+	# Get rid of newlines.
+	$src =~ s/\n//g;
+	
+	# Save off the shader source filename.
+	my $shadersrcfilename = $src;
+	$shadersrcfilename =~ s/-----.*$//;
+	# use only target basename.
+	$src =~ s/^.*-----//;
+
+	# where the binary vcs file is
+	my $spath = "";
+
+	if ( $shadersrcfilename =~ m@\.fxc@i )
+	{
+		$spath = "shaders\\fxc\\";
+	}
+	if ( $shadersrcfilename =~ m@\.vsh@i )
+	{
+		$spath = "shaders\\vsh\\";
+	}
+	if ( $shadersrcfilename =~ m@\.psh@i )
+	{
+		$spath = "shaders\\psh\\";
+	}
+	
+	# make the source have path and extension
+	$src = $spath . $src . $platformextension . ".vcs";
+
+	# build the dest filename.
+	$dst = $src;
+
+	$dst =~ s/shaders\\/..\\..\\..\\game\\hl2\\shaders\\/i;
+
+	# Does the dst exist?
+	my $dstexists = -e $dst;
+	my $srcexists = -e $src;
+	# What are the time stamps for the src and dst?
+	my $srcmodtime = ( stat $src )[9];
+	my $dstmodtime = ( stat $dst )[9];
+
+	# Write $dst to a file so that we can do perforce stuff to it later.
+	local( *VCSLIST );
+	open VCSLIST, ">>vcslist.txt" || die;
+	print VCSLIST $dst . "\n";
+	close VCSLIST;
+
+	# Open for edit or add if different than what is in perforce already.
+	if( !$dstexists || ( $srcmodtime != $dstmodtime ) )
+	{
+		if ( $srcexists && $shadersrcfilename =~ m@\.fxc@i )
+		{
+			# Get the CRC for the source file.
+			my $srccode = ReadInputFileWithIncludes( $shadersrcfilename );
+			my $crc = crc32( $srccode );
+
+			# Patch the source VCS file with the CRC32 of the source code used to build that file.
+			PatchCRC( $src, $crc );
+		}
+
+		# Make the target vcs writable if it exists
+		if( $dstexists )
+		{
+			MakeFileWritable( $dst );
+		}
+
+		my $dir = $dst;
+		$dir =~ s,([^/\\]*$),,;  # rip the filename off the end
+		my $filename = $1;
+
+		# create the target directory if it doesn't exist
+		if( !$dstexists )
+		{
+			&MakeDirHier( $dir, 0777 );
+		}
+
+		# copy the file to its targets. . . we want to see STDERR here if there is an error.
+		my $cmd = "copy $src $dst > nul";
+#		print STDERR "$cmd\n";
+		system $cmd;
+		
+		MakeFileReadOnly( $dst );
+	}
+}
+
+close TXTFILE;
-- 
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