modify original vtex and add png support for it

utils/vtexconv/vtex_launcher.cpp

@@ -0,0 +1,46 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include <stdio.h>
+#include "tier1/interface.h"
+#include "ilaunchabledll.h"
+
+
+int main( int argc, char **argv )
+{
+	const char *pModuleName = "vtex_dll" DLL_EXT_STRING;
+
+	CSysModule *pModule = Sys_LoadModule( pModuleName );
+	if ( !pModule )
+	{
+		printf( "Can't load %s.", pModuleName );
+		return 1;
+	}
+
+	CreateInterfaceFn fn = Sys_GetFactory( pModule );
+	if ( !fn )
+	{
+		printf( "Can't get factory from %s.", pModuleName );
+		Sys_UnloadModule( pModule );
+		return 1;
+	}
+
+	ILaunchableDLL *pInterface = (ILaunchableDLL*)fn( LAUNCHABLE_DLL_INTERFACE_VERSION, NULL );
+	if ( !pInterface )
+	{
+		printf( "Can't get '%s' interface from %s.", LAUNCHABLE_DLL_INTERFACE_VERSION, pModuleName );
+		Sys_UnloadModule( pModule );
+		return 1;
+	}
+
+	int iRet = pInterface->main( argc, argv );
+	Sys_UnloadModule( pModule );
+	return iRet;
+}
+
+
+

utils/vtexconv/wscript

@@ -0,0 +1,48 @@
+#! /usr/bin/env python
+# encoding: utf-8
+
+from waflib import Utils
+import os
+
+top = '.'
+PROJECT_NAME = 'vtexconv'
+
+def options(opt):
+	# stub
+	return
+
+def configure(conf):
+	conf.define('PROTECTED_THINGS_DISABLE', 1)
+
+def build(bld):
+	source = [
+		'vtex_launcher.cpp'
+	]
+
+	includes = [
+		'.',
+		'../../public',
+		'../../public/tier0',
+		'../../public/tier1',
+		'../../common'
+	]
+
+	defines = []
+
+	libs = ['tier0', 'appframework','tier1','tier2','tier3','vstdlib']
+
+	install_path = bld.env.BINDIR
+
+	bld(
+		source   = source,
+		target   = PROJECT_NAME,
+		name     = PROJECT_NAME,
+		features = 'c cxx cxxprogram',
+		includes = includes,
+		defines  = defines,
+		use      = libs,
+		install_path = install_path,
+		subsystem = bld.env.MSVC_SUBSYSTEM,
+		idx      = bld.get_taskgen_count()
+	)
+