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Presentation/PPT
27/08/2022
This assignment deals with a program places items into separate inventories.
In this assignment, you will make use of inheritance–e.g., virtual functions. You will need to complete the Armour and Consumable classes.
The program reads data from one file, items-0x.txt. Each line in this file represents one item. The first item on every line denotes the Item type–the remainder of the line varies by item type.
Tool Pickaxe Diamond 100 1 Fortune 5
Potion Speed-II-Potion Spd*2 1
Food Tomato Hunger-10 2
Tool Axe Stone 10 2 Unbreaking 2
Armour Boots Diamond 100 10 Protection 3 lightning
Each Item type is denoted by a keyword:
Tool indicates a Tool object.Armour and Armor indicate an Armour object.Food, Potion, and Disposable indicate a Consumable object.After the leading keywords, each line has a distinct structure:
Tool line contains–in order–a name, material, durability, speed, enchantment, and enchantment level. Tool Items are not stackable.Armour line contains–in order–a name, material, durability, defense, enchantment, enchantment level, and element. Armour Items are not stackable.Consumable line contains–in order–a name, effect, and # uses. Consumable Items are stackable.If the program is run with the first provided input file, items-01.txt, the following output should be generated:
Processing Log:
(S) Speed-II-Potion
(S) Tomato
(S) PotatoCamera
(S) PotatoCamera
(S) Boots
(S) BootsPlayer Storage Summary:
-Used 50% of 10 slots
Nme: Speed-II-Potion
Eft: Spd*2
Use: 1
Qty: 1
Nme: Tomato
Eft: Hunger-10
Use: 2
Qty: 1
Nme: PotatoCamera
Eft: ImageQuality-97%
Use: 5
Qty: 2
Nme: Boots
Dur: 100
Def: 10
Mtl: Diamond
Mdr: Protection (Lvl 3)
Emt: lightning
Nme: Boots
Dur: 100
Def: 10
Mtl: Diamond
Mdr: FeatherFalling (Lvl 4)
Emt: lightning
Note how there is no Tool output. The Tool class is not present in this assignment. The Tool class will be part of a future assignment.
Your output–including labels and spacing–must match the expected output. The easiest way to see generate the expected output is to run the sample executable solution I have provided.
Hint – each line of output in your display functions should probably start with two leading spaces.
To run this program with items-01.txt as input type:
./storage items-01.txt
(On a Windows system, you would omit the “./”. If you are running from Code::Blocks or a similar development environment, you may need to review how to supply command-line parameters to a running program.)
The key abstractions employed in this program are Item, ItemStack, Inventory Armour, and Consumable.
Your overall task is to complete the Armour and Consumable ADTs.
Armour and Consumable Default Constructors:
stackable.Item::name. The attribute, name, is a protected data member of Item.Armour::clone and Consumable::clone.Armour::read and Consumable::read.Armour::display and Consumable::display.You are expected to generate additional input files to test your code. Test your code throughly before submitting your solution.
If you run make without adding the missing read, clone, and display methods, you will see something simliar to
/usr/bin/ld.gold: the vtable symbol may be undefined because the class is missing its key function
Armour.cpp:14: error: undefined reference to 'vtable for Armour'
/usr/bin/ld.gold: the vtable symbol may be undefined because the class is missing its key function
Consumable.cpp:4: error: undefined reference to 'vtable for Consumable'
/usr/bin/ld.gold: the vtable symbol may be undefined because the class is missing its key function
Consumable.cpp:12: error: undefined reference to 'vtable for Consumable'
/usr/bin/ld.gold: the vtable symbol may be undefined because the class is missing its key function
collect2: error: ld returned 1 exit status
make: *** [storage] Error 1
While these errors may be intimidating, they are simply telling you to implement the necessary virtual functions for Armour and Consumable.
I have provided you a set of unit tests. In addition to your normal checks (e.g., running the completed program and performing head-to-head testing) run the unit tests with
make tests
./testNewClasses
You should see:
PASSED -> testDefaultArmourConstructor
PASSED -> testArmourCopyConstructor
PASSED -> testArmourClone
PASSED -> testArmourDisplay
PASSED -> testArmourRead
PASSED -> testDefaultConsumableConstructor
PASSED -> testConsumableCopyConstructor
PASSED -> testConsumableClone
PASSED -> testConsumableDisplay
PASSED -> testConsumableRead
In the grade report that you receive, you will see tests numbered 000 through 008.
Armour::Armour()Armour::clone()Armour::displayArmour::readConsumable::Consumable()Consumable::clone()Consumable::displayConsumable::readDo not procrastinate.
See Attachment
Files to Submit:
The writer is very fast, professional and responded to the review request fast also. Thank you.
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