@echo off
cd\doom2
if "%1"=="" goto norm
if "%1"=="-" goto norm
if exist patches\%1 goto fullname
if exist patches\%1.deh goto partname
echo File does not exist: %1.
goto quit

:norm
if exist patches\norm set dehfile=norm
if exist patches\norm.deh set dehfile=norm.deh
if not "%dehfile%"=="" goto load
echo No NORM patch.
goto quit

:fullname
set dehfile=%1
goto load

:partname
set dehfile=%1.deh
goto load

:load
set dehinfi=
if "%2"=="i" set dehinfi=infiammo.deh
if "%2"=="I" set dehinfi=infiammo.deh
if "%3"=="i" set dehinfi=infiammo.deh
if "%3"=="I" set dehinfi=infiammo.deh
if "%4"=="i" set dehinfi=infiammo.deh
if "%4"=="I" set dehinfi=infiammo.deh
if "%5"=="i" set dehinfi=infiammo.deh
if "%5"=="I" set dehinfi=infiammo.deh
if "%6"=="i" set dehinfi=infiammo.deh
if "%6"=="I" set dehinfi=infiammo.deh
if "%7"=="i" set dehinfi=infiammo.deh
if "%7"=="I" set dehinfi=infiammo.deh
if "%8"=="i" set dehinfi=infiammo.deh
if "%8"=="I" set dehinfi=infiammo.deh

set dehfast=
if "%2"=="f" set dehfast=fastguns.deh
if "%2"=="F" set dehfast=fastguns.deh
if "%3"=="f" set dehfast=fastguns.deh
if "%3"=="F" set dehfast=fastguns.deh
if "%4"=="f" set dehfast=fastguns.deh
if "%4"=="F" set dehfast=fastguns.deh
if "%5"=="f" set dehfast=fastguns.deh
if "%5"=="F" set dehfast=fastguns.deh
if "%6"=="f" set dehfast=fastguns.deh
if "%6"=="F" set dehfast=fastguns.deh
if "%7"=="f" set dehfast=fastguns.deh
if "%7"=="F" set dehfast=fastguns.deh
if "%8"=="f" set dehfast=fastguns.deh
if "%8"=="F" set dehfast=fastguns.deh

set dehpwad=
if "%2"=="p" set dehpwad=fixspfl.deh
if "%2"=="P" set dehpwad=fixspfl.deh
if "%3"=="p" set dehpwad=fixspfl.deh
if "%3"=="P" set dehpwad=fixspfl.deh
if "%4"=="p" set dehpwad=fixspfl.deh
if "%4"=="P" set dehpwad=fixspfl.deh
if "%5"=="p" set dehpwad=fixspfl.deh
if "%5"=="P" set dehpwad=fixspfl.deh
if "%6"=="p" set dehpwad=fixspfl.deh
if "%6"=="P" set dehpwad=fixspfl.deh
if "%7"=="p" set dehpwad=fixspfl.deh
if "%7"=="P" set dehpwad=fixspfl.deh
if "%8"=="p" set dehpwad=fixspfl.deh
if "%8"=="P" set dehpwad=fixspfl.deh

set dehaddp=
if "%2"=="+" if exist patches\%3     set dehaddp=%dehaddp% %3
if "%2"=="+" if exist patches\%3.deh set dehaddp=%dehaddp% %3.deh
if "%3"=="+" if exist patches\%4     set dehaddp=%dehaddp% %4
if "%3"=="+" if exist patches\%4.deh set dehaddp=%dehaddp% %4.deh
if "%4"=="+" if exist patches\%5     set dehaddp=%dehaddp% %5
if "%4"=="+" if exist patches\%5.deh set dehaddp=%dehaddp% %5.deh
if "%5"=="+" if exist patches\%6     set dehaddp=%dehaddp% %6
if "%5"=="+" if exist patches\%6.deh set dehaddp=%dehaddp% %6.deh
if "%6"=="+" if exist patches\%7     set dehaddp=%dehaddp% %7
if "%6"=="+" if exist patches\%7.deh set dehaddp=%dehaddp% %7.deh
if "%7"=="+" if exist patches\%8     set dehaddp=%dehaddp% %8
if "%7"=="+" if exist patches\%8.deh set dehaddp=%dehaddp% %8.deh
if "%8"=="+" if exist patches\%9     set dehaddp=%dehaddp% %9
if "%8"=="+" if exist patches\%9.deh set dehaddp=%dehaddp% %9.deh

echo.
echo Loading %dehfile%...
if not "%dehaddp%"=="" echo - Adding Patches:%dehaddp%...
if "%dehinfi%"=="infiammo.deh" echo - Unlimited Ammo...
if "%dehfast%"=="fastguns.deh" echo - Ultra-Fast Weapons...
if "%dehpwad%"=="fixspfl.deh" echo - Fixing PWAD Sprites/Flats Bug...
if "%dehpwad%"=="fixspfl.deh" echo   You MUST use a PWAD that supports this!
dehacked -load %dehfile% %dehaddp% %dehinfi% %dehfast% %dehpwad%>nul
echo Done.

goto cleanup

:cleanup
set dehfile=
set dehinfi=
set dehfast=
set dehpwad=
goto quit

:quit