Text-based Adventure Game: Part 1: Algorithm Challenge 2

Text-based Adventure Game: Part 1: Algorithm Challenge 2

1. Criteria

   • Context
     • If the player talks to the baker he will give the player a loaf of bread. If the player eats the bread 1 health point is restored (up to a maximum health of 5).
       • The player must be able to talk to the baker
       • The baker must give the player a loaf of bread if talked to
       • 1 health point must be restored if player eats bread
       • The maximum health must be 5 health points
         • If the player has 5 health points when eating bread, the health does not increase
   • Task
     • Write an algorithm that processes the player inputs in the table and returns the appropriate output message depending on the player location and contents in the player’s backpack.
       • The algorithm must be a function (modularisation)
       • The appropriate output must be displayed for the input
       • The output must depend on the player's location
       • The output must depend on the contents of the player's backpack/storage

2. Ideation/Processing

   • Define function
     • Name function as baker
       • Include input data sets of (mapLoc, bakerMessage, backpackListLength, playerHealth, backpack, items)
         • Eg. BEGIN bread (mapLoc, bakerMessage, backpackListLength, playerHealth, backpack, items)
   • Define variables
     • Number of items in backpack
       • Eg. SET backpackListLength to number of items in backpack
     • Responses to valid action
       • Eg. SET bakerMessage = "You eat the bread."
     • Possible items in backpack
       • Eg. SET items[0] = "Bread"
     • Location of bakery
       • Eg. SET mapDesc[0] = "Bakery"
     • Backpack variable
       • Eg. backpack = []
   • Selection of output depending on input
     • Use of IF...THEN...ELSE statements
       • Use conditions to regulate selection
         • Eg. IF playerInput == "eat bread" AND backpacklistlength > 0 THEN ELIF playerInput == "eat bread" AND backpacklistlength NOT > 0 THEN
         • Eg. IF playerInput == "talk to baker" AND mapLoc = 0 THEN ELIF playerInput == "talk to baker" AND mapLoc = 0 THEN
         • Eg. IF playerInput == "eat bread" AND items[0] IN backpack THEN ELIF playerInput == "eat bread AND items[0] NOT IN backpack THEN
     • Account for user error
       • Eg . ELSE PRINT "I do not understand."
   • End
     • End function
       • END bread
     • End IF...ELSE statement
       • ENDIF
   • Prescribe correct message for situation
     • Eg. PRINT BakerMessgae[0]
       • User receives the text "You eat the bread."
     • Potential messages
       • "You eat the bread."
       • "You are not carrying the bread."
       • "The baker gives you a loaf of bread."
       • "The baker is not here."
   • Error messages
     • If the player types an invalid command
       • Eg. "I don't understand. Please try another action."
   • Actions
     • Interaction of items with backpack
       • Eg. ADD items[0] TO backpack
       • Eg. REMOVE items[0] TO backpack

3. Input

   • The player's current location on the map
     • Variable name
       • mapLoc[ ]
     • Data type
       • Integer
         • Variable can range from 0 - 15 depending on the map location
   • The current contents of the player's backpack
     • Variable name
       • backpack[]
         • Contains items[]
       • backpacklistlength
         • Index length of the backpack array
     • Data type
       • Variable
         • Eg. backpack[0] = items[4]
       • Integer
         • Eg. backpacklistlength = 4
   • The possible contents of the backpack
     • Variable name
       • items[]
     • Data type
       • String
         • Eg. items[0] = "Bread"
   • The player's input
     • Variable name
       • playerInput
     • Data type
       • String
         • Eg. playerInput == "eat bread"
   • The player's current health
     • Variable name
       • playerHealth
     • Data type
       • Integer
         • Eg. 3
   • Error Messages
     • Data type
       • String
         • Eg. "I don't understand."
     • Variable name
       • errorMessages[]
   • Position of the bakery
     • Variable name
       • mapDesc[]
     • Data type
       • String
         • Eg. mapDesc[0] = "Bakery"

4. Output

   • An array (list of statements) of responses to the input according to map location
     • Variable name
       • BakerMessage[]
     • Data type
       • String
         • Eg. BakerMessage[0] = "You eat the bread"
   • Statement of health
     • PRINT statement
       • Text that is displayed to player
       • Must change depending on the fullness of health
         • Eg. "You gain 1 health point."
         • Eg. "You gain no health points/are not hungry. To are already at maximum health."
   • Error Messages
     • Data type
       • String
     • PRINT statement
       • Eg. "I don't understand. Please try another command."

5. Constraints/Limitations

   • See Text-based Adventure Game: Part 1: Algorithm Challenge 1

6. Available Resources

   • See Text-Based Adventure Game: Part 1: Algorithm Challenge 1