CODEWITHSUNDEEP
carraysreset
user5877800
user5877800

Reputation:

How to reset array in C

cards[] = {2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11};

I have this array for my game, and when I have used a number in my array, it will be replaced with 0. After the game I need to reset the array, otherwise 0's will stay in array.

How can I reset that array?

Upvotes: 0

Views: 2997

Answers (6)

Box Box Box Box
Box Box Box Box

Reputation: 5241

Make an array which has the original values stored. When you want to reset it, copy it to the original string:

int temp_cards[] = {2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11};
int cards[] = {2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11};
...
memcpy( cards, init_cards, sizeof cards );    // copying temp_card to card and resetting card

memcpy is recommended, but if you want to keep it simple you can also copy one string to another using =.

Another method which @Dandorid suggested is good, just I will provide you how to do it :

void reset (int *cards) {
    int temp_cards[] = {2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11};
    memcpy (cards, temp_cards, sizeof (cards));
}

An when you call it, pass the cards array.

Upvotes: 2

i486
i486

Reputation: 6563

Define one array for init values and other for working values:

const int init_cards[] = {2,2,2,2,3,3...};
int cards[sizeof init_cards / sizeof init_cards[0]];

...
memcpy( cards, init_cards, sizeof cards );  // reset values

To reset - copy init_cards to cards.

Upvotes: 1

Dandorid
Dandorid

Reputation: 205

Create a function that initializes your array; then call it at the start of each game.

Upvotes: 1

LoztInSpace
LoztInSpace

Reputation: 5697

You can't. You need to make an array you won't change and copy it to the working array. Repeat the copy as required.

Upvotes: 0

Codor
Codor

Reputation: 17605

You could use a function, say Initialize, that uses memcopy (or a manually coded loop) to fill the array with some predifined values; there is no way to restore some initial state to the array.

Upvotes: 0

Some programmer dude
Some programmer dude

Reputation: 409166

Have two arrays: One with the default settings and one which you modify. When "resetting" copy from the default array to the array you modify.

Upvotes: 0

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