Not able to call a function in a batch file

Question

I recently followed some tutorials and learnt how to create and program batch files. I started making a game meant to simulate fighting monsters. One of the mechanics of this game was to be an inventory where once programmed, you'd be able to buy certain items from a store and put them in your inventory which you can already access in battle. The only programmed level so far is the tutorial and only the start of it. What you should be able to do is select an inventory slot when asked, then the computer should run the inventory function which it doesn't seem to do. Some error shows up, then closes the window automatically.If anyone could explain in simple terms why this isn't working and how i can fix it, it would really help me out. Thanks :D Here's my code...

::SETUP
@echo off
title Platformer
color 0a


::Variables
set my_level=0
set money=0
set inventory_slot_1=
set inventory_slot_2=
set inventory_slot_3=
set inventory_slot_4=
set inventory_slot_5=
set current_level=-1
set pin=0


::MONSTER VARIABLES
set monster_level = 0


::MAIN MENU
:main_menu
cls

echo.
echo    PPPPP  l  aaaaa  ttttt  fffff  ooooo  rrrr   mmmmm  eeeee  rrrr
echo    P   P  l  a   a    t    f      o   o  r   r  m m m  e      r   r
echo    PPPPP  l  aaaaa    t    ffff   o   o  rrrr   m m m  eeee   rrrr
echo    P      l  a   a    t    f      o   o  r  r   m m m  e      r  r
echo    P      l  a   a    t    f      ooooo  r   r  m   m  eeeee  r   r
echo.
echo    1990 inc.
echo.
echo LVL.%my_level%                                   $%money%
echo ________________________________________________________________________________
echo.

echo 1 - Play
echo 2 - Save
echo 3 - Load
echo.
set /p input=">>> "

if %input%==1 goto level_select
if %input%==2 goto save
if %input%==3 goto load

pause >nul


::LEVEL SELECT
:level_select
cls

echo LVL.%my_level%                                   $%money%
echo ________________________________________________________________________________
echo.

echo 1 - Tutorial
echo 2 - Level 1
echo 3 - level 2
echo 4 - level 3
echo 5 - Boss
echo 6 - BACK
echo.
set /p input=">>> "

if %input%==1 goto tutorial
if %input%==2 goto level_select
if %input%==3 goto level_select
if %input%==4 goto level_select
if %input%==5 goto level_select
if %input%==6 goto main_menu

goto main_menu
pause >nul


::INVENTORY
:inventory
if %~1==rock set %damage%=2
if %~1==mercy set mercy_chance=%RANDOM%*%monster_leve%/32768+1

EXIT /b


::TUTORIAL
:tutorial
cls
echo LVL.%my_level%                                   $%money%
echo ________________________________________________________________________________
echo.
set /a current_level = 0

call:summon_dragon

pause >nul


::Monster -- Dragon
:summon_dragon

set /a monster_level=%current_level%+1
set /a rand=%RANDOM%%%3+1
set /a monster_hp=%monster_level%*3+%rand%
echo A Lvl.%monster_level% Dragon Has Been Summoned
echo What Will You Do?
echo.
echo HP: %monster_hp%
echo.
echo 1 - [ %inventory_slot_1% ]
echo 2 - [ %inventory_slot_2% ]
echo 3 - [ %inventory_slot_3% ]
echo 4 - [ %inventory_slot_4% ]
echo 5 - [ %inventory_slot_5% ]
echo 6 - [ Mercy ]

echo.
set /p input=">>> "
if input==1 callinventory %inventory_slot_1%
if input==2 call:inventory %inventory_slot_2%
if input==3 call:inventory %inventory_slot_3%
if input==4 call:inventory %inventory_slot_4%
if input==5 call:inventory %inventory_slot_5%
if input==6 (
    call:inventory mercy
    if %mercy_chance%==1 (
        set my_level=%my_level%+1
        goto win
    )
)

set monster_hp=%monster_hp%-%damage%
if monster_hp<=0(
    set my_level=%my_level%+1
    set current_level=%current_level%+1
    goto win
)

EXIT /b


::WIN
:win
cls

echo YOU WIN!

pause >nul


::SAVE
:save
cls

echo LVL.%my_level%                                   $%money%
echo ________________________________________________________________________________
echo.

set /p pin="Pin: "
echo.
if pin==nul(set /p pin = Change Pin: goto save)
(
echo @echo off
echo set my_level=%my_level%
echo set money=%money%
) >> game_saves\%pin%.cmd
echo SAVED

pause >nul
goto main_menu


::LOAD
:load
cls

echo LVL.%my_level%                                   $%money%
echo ________________________________________________________________________________
echo.

set /p pin="Pin: "
echo.
if pin==nul( pause >Invalid Pin goto load)
call game_saves\%pin%.cmd
echo Loaded

pause >nul
goto main_menu

Not able to call a function in a batch file

Answers (1)

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