added file check & downloader. updated to simpler license

CONVERT_MOD.BAT

@@ -21,12 +21,26 @@ PAUSE
 >CON CALL "%SCRIPTS_PATH%FIND_PYTHON_PATH"
 IF ERRORLEVEL 1 GOTO pythonError
 
->CON ECHO Found Python 3.x path
+>CON CALL "%SCRIPTS_PATH%CHECK_TEXCONV"
+IF ERRORLEVEL 1 GOTO utilityError
+>CON CALL "%SCRIPTS_PATH%CHECK_TEXDIAG"
+IF ERRORLEVEL 1 GOTO utilityError
+>CON CALL "%SCRIPTS_PATH%CHECK_NVDDSINFO"
+IF ERRORLEVEL 1 GOTO utilityError
+>CON CALL "%SCRIPTS_PATH%CHECK_BSARCH"
+IF ERRORLEVEL 1 GOTO utilityError
+>CON CALL "%SCRIPTS_PATH%CHECK_ARCHIVE"
+IF ERRORLEVEL 1 GOTO utilityError
 
 "%PYTHON3%" %CONVERT_MOD_PY% "%ORIGINAL%" "%TARGET%"
 PAUSE
 
 GOTO :EOF
 
 :pythonError
->CON ECHO Error finding Python path
+>CON ECHO Error finding Python path
+GOTO :EOF
+
+:utilityError
+>CON ECHO There was an error finding a 3rd-party tool.  Aborting.
+GOTO :EOF

Scripts/CHECK_ARCHIVE.BAT

@@ -0,0 +1,13 @@
+@ECHO OFF
+:: Check for bsarch.exe installation
+IF NOT EXIST "%TOOLKIT_PATH%Utilities\archive.exe" GOTO notFound
+ECHO archive.exe exists in Utilites path >CON
+
+EXIT /B 0
+
+:notFound
+ECHO archive.exe not found >CON
+ECHO you need to install the Bethesda Launcher, and from that, the Skyrim Construction Kit >CON
+ECHO Then put the archive.exe in your "Utilities" folder >CON
+
+EXIT /B 1

Scripts/CHECK_BSARCH.BAT

@@ -0,0 +1,13 @@
+@ECHO OFF
+:: Check for bsarch.exe installation
+IF NOT EXIST "%TOOLKIT_PATH%Utilities\bsarch.exe" GOTO notFound
+ECHO bsarch.exe exists in Utilites path >CON
+
+EXIT /B 0
+
+:notFound
+ECHO bsarch.exe not found >CON
+ECHO you need to download it from Nexus at https://www.nexusmods.com/newvegas/mods/64745?tab=files >CON
+ECHO And put it in your "Utilities" folder >CON
+
+EXIT /B 1

Scripts/CHECK_NVDDSINFO.BAT

@@ -0,0 +1,16 @@
+@ECHO OFF
+:: Check for nvddsinfo.exe installation
+IF NOT EXIST "%TOOLKIT_PATH%Utilities\nvddsinfo.exe" GOTO download
+ECHO nvddsinfo.exe exists in Utilites path >CON
+
+EXIT /B 0
+
+:download
+ECHO nvddsinfo.exe not found >CON
+
+py -3 "%SCRIPTS_PATH%\download_file.py" https://github.com/castano/nvidia-texture-tools/releases/download/2.1.1/nvidia-texture-tools-2.1.1-win64.zip "%TOOLKIT_PATH%Utilities\temp.zip"
+py -3 "%SCRIPTS_PATH%\unzip_file.py" "%TOOLKIT_PATH%Utilities\temp.zip" "%TOOLKIT_PATH%Utilities\nvddsinfo.exe"
+ERASE "%TOOLKIT_PATH%Utilities\temp.zip"
+
+IF EXIST "%TOOLKIT_PATH%Utilities\nvddsinfo.exe" EXIT /B 0
+EXIT /B 1

Scripts/CHECK_TEXCONV.BAT

@@ -0,0 +1,14 @@
+@ECHO OFF
+:: Check for texconv.exe installation
+IF NOT EXIST "%TOOLKIT_PATH%Utilities\texconv.exe" GOTO download
+ECHO texconv.exe exists in Utilites path >CON
+
+EXIT /B 0
+
+:download
+ECHO texconv.exe not found >CON
+
+py -3 "%SCRIPTS_PATH%\download_file.py" https://github.com/Microsoft/DirectXTex/releases/download/aug2018/texconv.exe "%TOOLKIT_PATH%Utilities\texconv.exe"
+
+IF EXIST "%TOOLKIT_PATH%Utilities\texconv.exe" EXIT /B 0
+EXIT /B 1

Scripts/CHECK_TEXDIAG.BAT

@@ -0,0 +1,14 @@
+@ECHO OFF
+:: Check for texdiag.exe installation
+IF NOT EXIST "%TOOLKIT_PATH%Utilities\texdiag.exe" GOTO download
+ECHO texdiag.exe exists in Utilites path >CON
+
+EXIT /B 0
+
+:download
+ECHO texdiag.exe not found >CON
+
+py -3 "%SCRIPTS_PATH%\download_file.py" https://github.com/Microsoft/DirectXTex/releases/download/aug2018/texdiag.exe "%TOOLKIT_PATH%Utilities\texdiag.exe"
+
+IF EXIST "%TOOLKIT_PATH%Utilities\texdiag.exe" EXIT /B 0
+EXIT /B 1

Scripts/download_file.py

@@ -0,0 +1,22 @@
+#! python3
+
+import sys
+import urllib.request
+import shutil
+import zipfile
+
+def DownloadFile(origin, target):
+
+	print("Downloading from : " + origin)
+	print("Downloading to: " + target)
+
+	# Download the file from `url` and save it locally under `file_name`:
+	with urllib.request.urlopen(origin) as response, open(target, 'wb') as out_file:
+		shutil.copyfileobj(response, out_file)
+
+	print("Download Complete")
+
+if __name__ == '__main__':
+	origin = sys.argv[1]
+	target = sys.argv[2]
+	DownloadFile(origin, target)

Scripts/unzip_file.py

@@ -0,0 +1,33 @@
+#! python3
+
+import os
+import sys
+import zipfile
+
+def UnzipFile(origin, target):
+
+	print("Zip file: " + origin)
+	print("Target File: " + target)
+	target_filename = os.path.basename(target)
+	target_path = os.path.dirname(target)
+	cwd = os.getcwd()
+	os.chdir(target_path)
+	print("Target Folder: " + target_path)
+	print("Target Filename: " + target_filename)
+
+	with zipfile.ZipFile(origin) as myzip:
+		for filename in myzip.namelist():
+			if filename.endswith(target_filename):
+				final_path = myzip.extract(filename, target_path)
+				if final_path != target:
+					endPath = os.path.dirname(final_path)
+					os.rename(final_path, target)
+					os.rmdir(endPath)
+
+	print("Unzip Complete")
+	os.chdir(cwd)
+
+if __name__ == '__main__':
+	origin = sys.argv[1]
+	target = sys.argv[2]
+	UnzipFile(origin, target)