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boardgame.c
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boardgame.c
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/**
* @file boardgame.c
* @author Julien Von Der Marck
* @brief The boardgame Snakes and Ladders
*
* This creates the boardgame
* It also ask the user to enter the amount of snakes/ladders
* It prints in the terminal each round the boardgame when the user roll the die
* It also create a report file
*
* @version 1.0.25
* @date 21/04/2022
* @bug No known bugs
* @command: make && ./boardgame <number_snakes> <number_ladders>
*
* @copyright Copyright (c) 2022
*/
#include "boardgame.h"
/**
* @brief File object
* This variable will be used in many methods of this file to output different things into a file
*/
static FILE *file;
struct square *init_square() {
struct square *p_square = malloc(sizeof(struct square));
p_square->index = 0;
p_square->isPlayer = false;
p_square->next = NULL;
return p_square;
}
// create a boardgame randomly of size 32 to 64
struct boardgame *create_boardgame(){
int mod = (MAX_SIZE-MIN_SIZE)+1; // to be between 32 and 64
int length = rand() % mod + MIN_SIZE; // between 32 and 64 randomly
struct boardgame *p_boardgame = malloc(sizeof(struct boardgame));
p_boardgame->length = length;
// linked list : creation of the list head of square
struct square *head_square = init_square();
p_boardgame->head_square = malloc(sizeof(struct square));
p_boardgame->head_square = head_square;
// Creation of N squares depending of the length of the gameboard drawn at random
p_boardgame->square = malloc(length * sizeof(struct square));
for(int i=0; i<p_boardgame->length; i++){
struct square *p_square = malloc(sizeof(struct square));
p_boardgame->square[i] = *p_square; // Init square
p_boardgame->square[i].index = i+1; // Number of the square
p_boardgame->square[i].isSnake = NULL; // Init to NULL because it doesn't have a snake yet
p_boardgame->square[i].isLadder = NULL;
p_boardgame->square[i].name[0] = '\0';
p_boardgame->square[i].name[1] = '\0';
p_boardgame->square[i].next = NULL; // Next square as null
if(i==0) p_boardgame->square[i].isPlayer = true; // We place the player at the 1st square
else p_boardgame->square[i].isPlayer = false;
}
// We make sure that each square have a next square (expect the last one)
for(int i=0; i<p_boardgame->length; i++){
// we move the cursor
struct square *cursor = p_boardgame->head_square;
while(cursor->next != NULL){
cursor = cursor->next;
}
cursor->next = &p_boardgame->square[i];
}
return p_boardgame;
}
void print_boardgame(struct boardgame *p_boardgame){
bool odd = false;
int i = p_boardgame->length-1;
while(i >= 0) {
if(odd){
// we display the index of the squares (1 to N_size)
printf("|---------------------------------------|\n| "); fprintf(file,"-----------------------------------------\n| ");
for(int j=i-COLUMNS+1; j<=i; j++){
if(j >= 0) {
printf("%02d | ",p_boardgame->square[j].index);
fprintf(file,"%02d | ", p_boardgame->square[j].index);
} else {
printf("-- | "); fprintf(file,"-- | ");
}
}
odd = false;
printf("\n| "); fprintf(file,"\n| ");
// we display if the square is a snake/ladder head/foot
for(int j=i-COLUMNS+1; j<=i; j++){
if(j >= 0) {
if(p_boardgame->square[j].name[0] == '\0') {
printf(" | "); fprintf(file," | ");
} else {
if(p_boardgame->square[j].name[0] == 'L')
printf("\033[0;32m%c%c\033[0m | ", p_boardgame->square[j].name[0], p_boardgame->square[j].name[1]);
if(p_boardgame->square[j].name[0] == 'S')
printf("\033[0;31m%c%c\033[0m | ", p_boardgame->square[j].name[0], p_boardgame->square[j].name[1]);
fprintf(file,"%c%c | ", p_boardgame->square[j].name[0], p_boardgame->square[j].name[1]);
}
}
else {
printf("-- | ");
fprintf(file,"-- | ");
}
}
printf("\n| "); fprintf(file,"\n| ");
// We display the player location :
for(int j=i-COLUMNS+1; j<=i; j++){
if(j >= 0) {
if(p_boardgame->square[j].isPlayer) { printf("\033[0;34mXX\033[0m | "); fprintf(file,"XX | ");}
else {printf(" | "); fprintf(file," | ");}
}
else {
printf(" | ");
fprintf(file," | ");
}
}
printf("\n"); fprintf(file,"\n");
} else {
// we display the index of the squares (1 to N_size)
int temp = i;
printf("|---------------------------------------|\n| "); fprintf(file,"-----------------------------------------\n| ");
for(int j=i; j>temp-8; j--){
if(j >= 0) {
printf("%02d | ", p_boardgame->square[j].index);
fprintf(file,"%02d | ", p_boardgame->square[j].index);
} else {
printf("-- | "); fprintf(file,"-- | ");
}
}
printf("\n| "); fprintf(file,"\n| ");
// we display if the square is a snake/ladder head/foot
for(int j=i; j>temp-8; j--){
if(j >= 0) {
if(p_boardgame->square[j].name[0] == '\0') {
printf(" | "); fprintf(file," | ");
} else {
if(p_boardgame->square[j].name[0] == 'L')
printf("\033[0;32m%c%c\033[0m | ", p_boardgame->square[j].name[0], p_boardgame->square[j].name[1]);
if(p_boardgame->square[j].name[0] == 'S')
printf("\033[0;31m%c%c\033[0m | ", p_boardgame->square[j].name[0], p_boardgame->square[j].name[1]);
fprintf(file,"%c%c | ", p_boardgame->square[j].name[0], p_boardgame->square[j].name[1]);
}
}
else {
printf("-- | "); fprintf(file,"-- | ");
}
}
printf("\n| "); fprintf(file,"\n| ");
// We display the player location :
for(int j=i; j>temp-8; j--){
if(j >= 0) {
if(p_boardgame->square[j].isPlayer) { printf("\033[0;34mXX\033[0m | "); fprintf(file,"XX | ");}
else {printf(" | "); fprintf(file," | ");}
}
else {
printf(" | "); fprintf(file," | ");
}
}
printf("\n"); fprintf(file,"\n");
odd = true;
}
i -= 8;
}
printf("|---------------------------------------|\n"); fprintf(file,"-----------------------------------------\n\n");
}
// simulate a die
int roll_die(){
int result = rand() % 6 + 1; // between 1 and 6
return result;
}
// return a random number between a specific range when we're 6 squares close to the end of gameboard
int random_length(int range){
int result = rand() % range + 1; // between 10 and 1
return result;
}
void getRandomHead(struct boardgame *boardgame, void *data, char letter[2], int *random_head, bool isSnake){
int temp = 0;
while(1) {
// we need to change the position of the head if no place available
if(temp>=8) {
getRandomHead(boardgame, data, letter, random_head, isSnake);
temp = 0;
}
struct square *cursor_square = boardgame->head_square;
*random_head = rand() % (boardgame->length-2) + 2; // from square 2 to n-1 (square 1 and last square can't contains something)
while(cursor_square->index != *random_head){ // Seek the index of the random number in our array of square
cursor_square = cursor_square->next;
}
if(cursor_square->isSnake == NULL && cursor_square->isLadder == NULL){
if(isSnake) { // if true = means that we take care of snakes
cursor_square->isSnake = data;
cursor_square->isSnake->index_head = cursor_square;
cursor_square->isSnake->index_head->name[0] = letter[0];
cursor_square->isSnake->index_head->name[1] = letter[1];
} else { // if false = means that we take care of ladder
cursor_square->isLadder = data;
cursor_square->isLadder->index_head = cursor_square;
cursor_square->isLadder->index_head->name[0] = letter[0];
cursor_square->isLadder->index_head->name[1] = letter[1];
}
break;
}
temp += 1;
}
}
// when we change the head index, we need to update the index of the head to NULL in his square
void resetHeadIndex(struct boardgame *boardgame, int *random_head, bool isSnake){
struct square *cursor_square = boardgame->head_square;
while(cursor_square->index != *random_head){ // Seek the index of the random number in our array of square
cursor_square = cursor_square->next;
}
if(isSnake) { // if true = means that we take care of snakes
cursor_square->isSnake->index_head = NULL;
cursor_square->isSnake = NULL; // we point to our snake
} else { // if false = means that we take care of ladder
cursor_square->isLadder->index_head = NULL;
cursor_square->isLadder = NULL; // we point to our snake
}
}
int getRandomFoot(struct boardgame *boardgame, void *data, char letter[2], char letterHead[2], int *random_head, bool isSnake){
int temp = 0;
int tempTen = 0;
int random_foot;
while(1) {
if(tempTen==(*random_head-2) || temp>=8) { // we need to change the position of the head if no place available
resetHeadIndex(boardgame, random_head, isSnake);
getRandomHead(boardgame, data, letterHead, random_head, isSnake);
tempTen = 0; temp = 0;
}
struct square *cursor_square = boardgame->head_square; // we re-init our variable
if(*random_head<=10) {
random_foot = 2 + rand() % (*random_head-2); // from square 2 to random_head-1
tempTen += 1;
} else {
random_foot = (*random_head-10) + rand() % 10; // from square head-1 to -10
}
while(cursor_square->index != random_foot){ // Seek the index of the random number in our array of square
cursor_square = cursor_square->next;
}
if(cursor_square->isSnake == NULL && cursor_square->isLadder == NULL){
if(isSnake) { // if true = means that we take care of snakes
cursor_square->isSnake = data; // we point to our snake
cursor_square->isSnake->index_foot = cursor_square;
cursor_square->isSnake->index_foot->name[0] = letter[0];
cursor_square->isSnake->index_foot->name[1] = letter[1];
} else { // if false = means that we take care of ladder
cursor_square->isLadder = data; // we point to our snake
cursor_square->isLadder->index_foot = cursor_square;
cursor_square->isLadder->index_foot->name[0] = letter[0];
cursor_square->isLadder->index_foot->name[1] = letter[1];
}
break;
}
temp+=1;
}
return random_foot;
}
struct snake *addSnake(struct snake *head_snake, struct boardgame *boardgame) {
// create a space in memory for a new p_snake
struct snake *p_snake = malloc(sizeof(struct snake));
// Taking care of looking a place to put on a square to put the head of snake
int random_head, random_foot = 0;
int *p_random_head = &random_head;
char letterHead[2] = "SH";
char letterFoot[2] = "SF";
getRandomHead(boardgame, p_snake, letterHead, p_random_head, true);
// Look for a place to put the foot of a snake
random_foot = getRandomFoot(boardgame, p_snake, letterFoot, letterHead, p_random_head, true);
//printf("Snake : Head = %d and Foot = %d\n", p_snake->index_head->index, p_snake->index_foot->index);
p_snake->length = random_head-random_foot;
p_snake->next = NULL;
struct snake *cursor = head_snake; // init cursor to move different each square
while(cursor->next != NULL){
cursor = cursor->next;
}
cursor->next = p_snake;
// return a pointer to the new node
return p_snake;
}
struct ladder *addLadder(struct ladder *head_ladder, struct boardgame *boardgame) {
// create a space in memory for a new p_ladder
struct ladder *p_ladder = malloc(sizeof(struct ladder));
// Taking care of looking a place to put on a square to put the head of snake
int random_head, random_foot = 0;
int *p_random_head = &random_head;
char letterHead[2] = "LH";
char letterFoot[2] = "LF";
getRandomHead(boardgame, p_ladder, letterHead, p_random_head, false);
random_foot = getRandomFoot(boardgame, p_ladder, letterFoot, letterHead, p_random_head, false);
p_ladder->length = random_head-random_foot;
//printf("Ladder : Head = %d and Foot = %d\n", p_ladder->index_head->index, p_ladder->index_foot->index);
// we move the cursor
p_ladder->next = NULL;
struct ladder *cursor = head_ladder;
while(cursor->next != NULL){
cursor = cursor->next;
}
cursor->next = p_ladder;
// return a pointer to the new node
return p_ladder;
}
struct snake *init_snake(){
struct snake *p_snake = malloc(sizeof(struct snake));
p_snake->index_head = NULL;
p_snake->index_foot = NULL;
p_snake->next = NULL;
return p_snake;
}
struct ladder *init_ladder(){
struct ladder *p_ladder = malloc(sizeof(struct ladder));
p_ladder->index_head = NULL;
p_ladder->index_foot = NULL;
p_ladder->next = NULL;
return p_ladder;
}
struct square *getSquare(struct boardgame *boardgame, int index){
// we seek the square thanks to the index
struct square *cursor_square = boardgame->head_square;
while(cursor_square->index != index){ // Seek the index of the random number in our array of square
if(cursor_square->next == NULL) { break;}
cursor_square = cursor_square->next;
}
return cursor_square;
}
void launch_game(struct boardgame *boardgame) {
print_boardgame(boardgame);
int round = 1;
// we seek the square where is located the player now
struct square *actual_square = boardgame->head_square;
while(!actual_square->isPlayer){ // While we're not in the square where the player is located we move on
actual_square = actual_square->next;
}
struct square *new_square = actual_square;
// while the player is not in the last square, we continue the game
while(new_square->next != NULL) { // check if you are at the final square
actual_square = new_square;
actual_square->isPlayer = false; // we remove the player from the square
// wait user to roll a die:
printf("--> Press enter to roll the die... ");
char enter = 0;
while (enter != '\r' && enter != '\n') { enter = getchar(); }
system("@cls||clear"); // clear terminal
printf("-----------------ROUND %02d----------------\n\n", round); fprintf(file,"-----------------ROUND %02d----------------\n\n", round);
// roll the die (check if we're 6 squares close to the end)
int range = boardgame->length-actual_square->index;
int index_player = 0;
if(range < 6) { index_player = random_length(range); }
else { index_player = roll_die(range); }
printf("--> Result of the die rolled : %d\n", index_player);
fprintf(file,"--> Result of the die rolled : %d\n", index_player);
index_player += actual_square->index;
printf("--> You're moving to the square %d ...\n", index_player);
fprintf(file,"--> You're moving to the square %d ...\n", index_player);
// we seek the new square where the player will be
new_square = getSquare(boardgame, index_player);
if(new_square->isSnake != NULL) {
if(new_square->isSnake->index_head != NULL && new_square->isSnake->index_head->index == index_player) {
// we get the length to move backwards
int decrease_length = new_square->isSnake->length;
printf("--> Oh no... You landed on the head of a snake.\n You're going to move backwards to the square %d.\n\n", index_player-decrease_length);
fprintf(file,"--> Oh no... You ended on the head of a snake.\n You're going to move backwards to the square %d.\n\n", index_player-decrease_length);
new_square = getSquare(boardgame, index_player-decrease_length);
}
} else if (new_square->isLadder != NULL && new_square->isLadder->index_foot->index == index_player) {
if(new_square->isLadder->index_foot != NULL) {
// we get the length to move forwards
int increase_length = new_square->isLadder->length;
printf("--> Oh yes ! You landed on the foot of a ladder.\n You're going to move forwards to the square %d.\n\n", index_player+increase_length);
fprintf(file,"--> Oh yes ! You landed on the foot of a ladder.\n You're going to move forwards to the square %d.\n\n", index_player+increase_length);
new_square = getSquare(boardgame, index_player+increase_length);
}
}
// change text when we move the player
new_square->isPlayer = true;
print_boardgame(boardgame);
round++;
}
printf("Congrats, you finished the game in %d rounds ! \n", round);
printf("A report under the name of 'report_game.txt' has been generated. Have a look at it :)\n");
fprintf(file,"Congrats, you finished the game in %d rounds ! \n", round);
}
// Check if the args written in the command line are correct numbers, must be around 5 to 30 snakes/ladders.
int check_args(char *argv[]) {
int res = 0; // if 0 = all good OR if 1 = will return an error and stop the application
if(atoi(argv[1]) < 2 || atoi(argv[1]) > 7){
printf("Error <number_snakes> : enter a number between 2 and 7.\n");
res = 1;
}
if(atoi(argv[2]) < 2 || atoi(argv[2]) > 7) {
printf("Error <number_ladders> : enter a number between 2 and 7.\n");
res = 1;
}
return res;
}
int main(int argc, char *argv[]){
srand(time(NULL)); // to avoid always have the same value with rand()
system("@cls||clear"); // clear terminal
// read the number of snakes and ladders from the command line parameter
if (argc < 2) { // check if user gave two parameters (check errors)
printf("Error : %s <number_snakes> <number_ladders>\n", argv[0]);
printf("--> Don't forget to enter two parameters between 2 to 6 for snakes/ladders amount.\n");
return 1;
}
// we check the args and return an error if he made a mistake
int result = check_args(argv); // check if numbers are alright to play the game
if(result == 1) return 1; // if number of snakes/ladders not between 2 to 20 ==> exit
// we open the file in writing mode
file = fopen("report_game.txt","w");
// we check if there is no error while creating/finding the file
if(file == NULL)
{
printf("Error while creating the file !");
exit(1);
}
// we convert what the user wrote in the terminal into an integer
int number_snakes = atoi(argv[1]); // given by the user
int number_ladders = atoi(argv[2]);
// Write data to the report
printf("WELCOME TO THE SNAKES AND LADDERS GAME !\n\n --> Some details below :\n");
fprintf(file, "WELCOME TO THE SNAKES AND LADDERS GAME !\n\n --> Some details below :\n");
printf("\t - You choose %d snakes and %d ladders.\n", number_snakes, number_ladders);
fprintf(file,"\t - You choose %d snakes and %d ladders.\n", number_snakes, number_ladders);
printf("\t - Meaning of the gameboard :\n\t - SH: Sneak Head and SF = Snake Foot\n\t - LH: Ladder Head and LF: Ladder Foot\n\t - XX: Location of the player\n\n");
fprintf(file, "\t - Meaning of the gameboard :\n\t - SH: Sneak Head and SF = Snake Foot\n\t - LH: Ladder Head and LF: Ladder Foot\n\t - XX: Location of the player\n\n");
time_t now = time(NULL);
printf("\t - Game played at : %s \n", ctime(&now));
fprintf(file, "\t - Game played at : %s \n", ctime(&now));
// we create the boardgame
struct boardgame *game = create_boardgame();
// creation of the array of snake/ladder that will contains all snakes/ladders inputed by the user
struct snake *snakes_game[number_snakes];
memset(&snakes_game, 0, sizeof(struct snake)); // Init the two arrays to 0
struct ladder *ladders_game[number_ladders];
memset(&ladders_game, 0, sizeof(struct ladder));
// linked list : creation of the lists heads
struct snake *head_snake = init_snake();
struct ladder *head_ladder = init_ladder();
// create each snakes and ladders into the main arrays
for(int i=0; i<number_snakes; i++) snakes_game[i] = addSnake(head_snake, game);
for(int i=0; i<number_ladders; i++) ladders_game[i] = addLadder(head_ladder, game);
// we launch the whole game
launch_game(game);
// we close the file and we free all the allocated variables
fclose(file);
for(int i=0; i<number_snakes; i++){
free(snakes_game[i]);
}
for(int i=0; i<number_ladders; i++){
free(ladders_game[i]);
}
free(head_snake);
free(head_ladder);
free(game);
}