== Christmas Puzzle ==
-- This game is part of the mscroggs.co.uk 2016 Advent Calendar. The code to the safe is the answer for the puzzle on 11 December. --
** Matthew Scroggs **

# start
It is Christmas Eve and you are standing in front of your safe.
All your beautifully wrapped presents are locked in the safe, but you have forgotten the code to the safe.
As you know you are forgetful, you have left clues to the code hidden around your office.
What do you want to do?
Try a number in the safe => safe
Examine the desk => desk
Examine the window => window
Examine the picture on the wall => picture
Look at fireplace => fire
Shine the UV torch on the safe => suv ? torch

# fire
There is a roaring fire in the fireplace. It is hot. ?! out
There is ash in the fireplace. It is cold ? out
Pour water on the fire => fire + out ? jug ? l5>0 ?! out + l5=0
Throw snow on the fire => fire + out ? snow_ ~ snow_ ?! out
Look under the ash => ash ? out
Go back => start

# ash
Under the ash, there is a message engraved in the stone base of the fireplace.
The engraved writing is full of water. ? wet
Read the message => ash_mess
Pour water on the message => ash + wet ? jug ? l5>0 ?! out + l5=0
Go back => fire

# ash_mess
The message says: "Two of the numbers in the code are the same."
Continue => fire

% jug
Full 5 litre jug ? l5==5
Part full 5 litre jug ? l5<5 ? l5>0
Empty 5 litre jug ? l5==0

# suv
Nothing is revealed.
Continue => start

# picture
You are looking at
an upside down ? unlocked
a ?! unlocked
painting of Leonhard Euler playing on a Super Nintendo.
Enter the Konami code => konami
Look behind the picture => wall
Examine the picture frame => frame
Shine the UV torch on the picture => puv ? torch
Go back => start

# puv
Nothing is revealed.
Continue => picture

# frame
There is a small crack at the
top ? unlocked
bottom ?! unlocked
of the frame and a tiny hidden lever at the
left. ? unlocked
right. ?! unlocked
Pull the lever => lever
Prise open the crack => crack
Go back => picture

# lever
Nothing happens. ?! unlocked
The picture swings away from the frame to reveal a hidden message. ? unlocked
Read the message => picture_message ? unlocked
Continue => picture

# picture_message
The message says: "The safe code is one more than a multiple of 9".
Continue => picture

# crack
You prise open the crack to reveal a small button.
Press the button => alarm
Go back => picture

# alarm
The button sets off the burglar alarm. The police arrive and arrest you.
You spend Christmas in prison and your presents spend Christmas in the safe.
Continue => __GAMEOVER__

# wall
There is a blank wall behind the picture.
Put the picture back => picture ~ unlocked
Put the picture back upside down => picture + unlocked

# konami
Nothing happens.
Continue => picture

# three
The third digit is 1.
Go back => start

# window
You look out the window. It is snowing.
Snow is falling in through the window. ? open
There is a pile of snow by the window. ? snow
Shine the UV torch on the window => wuv ? torch
Shine the UV torch on the show => snuv ? torch ? snow
Open the window => window + open ?! open
Shut the window => window ~ open ? open
Pick up the snow => window ? snow + snow_ ~ snow
Go back => start ? open + snow
Go back => start ?! open

% snow_
Snow

# wuv
Nothing is revealed.
Continue => window

# snuv
The UV torch reveals a message on the wall just above the snow.
Read the message => snmess
Continue => window

# snmess
The message says: "The sum of the numbers in the safe code adds up to a multiple of 5."
Continue => window

# desk
 ? l5<0 + l3+l5 + l5=0
 ? l5>5 + l3+l5 + l3-5 + l5=5
 ? l3>3 + l3=3
On your desk there is a note written in your handwriting,
a 5 litre jug full of liquid, ? l5==5 ?! jug
a 5 litre jug containing 4 litres of liquid, ? l5==4 ?! jug
a 5 litre jug containing 3 litres of liquid, ? l5==3 ?! jug
a 5 litre jug containing 2 litres of liquid, ? l5==2 ?! jug
a 5 litre jug containing 1 litre of liquid, ? l5==1 ?! jug
an empty 5 litre jug, ? l5==0 ?! jug
a 3 litre jug full of liquid, ? l3==3
a 3 litre jug containing 2 litres of liquid, ? l3==2
a 3 litre jug containing 1 litre of liquid, ? l3==1
an empty 3 litre jug, ? l3==0
a tap that supplies the liquid, and an electric scale.
The floor around the desk is damp. ? floor
Read the note => note
Weigh the 5 litre jug => w5l ?! jug
Weigh the 3 litre jug => w3l
Fill the 5 litre jug from the tap => desk + l5=5 ? l5<5 ?! jug
Fill the 3 litre jug from the tap => desk + l3=3 ? l3<3
Empty the 5 litre jug onto the floor => desk + l5=0 ? l5>0 + floor ?! jug
Empty the 3 litre jug onto the floor => desk + l3=0 ? l3>0 + floor
Pour from the 5 litre jug into the 3 litre jug => desk ? l5>0 ? l3<3 + l5-3 + l5+l3 + l3=3 ?! jug
Pour from the 3 litre jug into the 5 litre jug => desk ? l3>0 ? l5<5 + l5+l3 + l3=0 ?! jug
Take the 5 litre jug => desk + jug ?! jug
Put back the 5 litre jug => desk ~ jug ? jug
Look in the desk drawer => drawer
Go back to the safe => start

# drawer
There is a UV torch in the drawer. ?! torch
The drawer is empty. ? torch
Take the torch => drawer ?! torch + torch
Put the torch in the drawer => drawer ? torch
Go back => desk

% torch
UV torch

# w5l
You put the five litre jug on the scale. The digital display says
3. ? l5==0
8. ? l5==1
13. ? l5==2
18. ? l5==3
23. ? l5==4
28. ? l5==5
Continue => desk

# w3l
You put the five litre jug on the scale. The digital display says
2. ? l3==0
7. ? l3==1
12. ? l3==2
17. ? l3==3
Continue => desk

# note
The note says: "The first digit of the code to my safe is the weight of the five litre jug with one litre of liquid in it."
Continue => desk

% l5
__NUMBER__ 5
% l3
__NUMBER__


# safe
You are looking at the safe. It has a keypad and space on the screen for a three digit code.
Press 0 => safe2 + s1=0
Press 1 => safe2 + s1=1
Press 2 => safe2 + s1=2
Press 3 => safe2 + s1=3
Press 4 => safe2 + s1=4
Press 5 => safe2 + s1=5
Press 6 => safe2 + s1=6
Press 7 => safe2 + s1=7
Press 8 => safe2 + s1=8
Press 9 => safe2 + s1=9
Go back => start
# safe2
You are looking at the safe. It has a keypad and space on the screen for a three digit code.
Press 0 => safe3 + s2=0
Press 1 => safe3 + s2=1
Press 2 => safe3 + s2=2
Press 3 => safe3 + s2=3
Press 4 => safe3 + s2=4
Press 5 => safe3 + s2=5
Press 6 => safe3 + s2=6
Press 7 => safe3 + s2=7
Press 8 => safe3 + s2=8
Press 9 => safe3 + s2=9
Go back => start
# safe3
You are looking at the safe. It has a keypad and space on the screen for a three digit code.
Press 0 => try + s3=0
Press 1 => try + s3=1
Press 2 => try + s3=2
Press 3 => try + s3=3
Press 4 => try + s3=4
Press 5 => try + s3=5
Press 6 => try + s3=6
Press 7 => try + s3=7
Press 8 => try + s3=8
Press 9 => try + s3=9
Go back => start

# try
The safe opens. Christmas is saved! ? s1==8 ? s2==1 ? s3==1
The code is wrong. ?! (s1==8 s2==1 s3==1)
Continue => __WINNER__ ? s1==8 ? s2==1 ? s3==1
Go back => start ?! (s1==8 s2==1 s3==1)


% s1
__NUMBER__
% s2
__NUMBER__
% s3
__NUMBER__