+++ /dev/null
-#ifndef __WORDBLOX_H
-#define __WORDBLOX_H
-#define _XOPEN_SOURCE
-#include <unistd.h>
-#include <stdbool.h>
-#include <string.h>
-#include <ctype.h>
-#include <gd.h>
-#include <gdfontmb.h>
-#include <gdfontg.h>
-#include <zlib.h>
-#include <openssl/conf.h>
-#include <openssl/evp.h>
-#include <openssl/err.h>
-#include "constantstrings.h"
-
-#define MAX_PUZZLE_SIZE 25
-#define MAX_CLUE_LENGTH 150
-#define GRID_PIXELS 37
-
-/* Enum to define terminal colours */
-enum COLOR {
- BLACK = 0,
- RED= 1,
- GREEN=2,
- YELLOW=3,
- BLUE=4,
- MAGENTA=5,
- CYAN=6,
- WHITE=7
-};
-
-enum ATTR {
- NORMAL = 23,
- BOLD=1
-};
-
-enum ORIENTATION {
- ACROSS=1,
- DOWN=2
-};
-
-/* for use with the player */
-enum DIRECTION {
- DIR_FORWARD = 1,
- DIR_BACK = -1
-};
-
-typedef char String[MAX_CLUE_LENGTH];
-
-/* The main puzzle struct type */
-typedef struct {
- char chars[MAX_PUZZLE_SIZE][MAX_PUZZLE_SIZE];
- int start_across_word[MAX_PUZZLE_SIZE][MAX_PUZZLE_SIZE];
- int start_down_word[MAX_PUZZLE_SIZE][MAX_PUZZLE_SIZE];
- String clue_across[MAX_PUZZLE_SIZE][MAX_PUZZLE_SIZE];
- String clue_down[MAX_PUZZLE_SIZE][MAX_PUZZLE_SIZE];
- int grid_size;
- bool grid_frozen;
- char hashed_master_password[256];
- char hashed_solution_password[256];
-} Puzzle;
-
-/* The player data struct type - for the player app */
-typedef struct {
- Puzzle puzzle;
- char filename[65535];
- bool is_loaded;
- char char_ans[MAX_PUZZLE_SIZE][MAX_PUZZLE_SIZE];
- int cur_row;
- int cur_col;
- bool solution_revealed;
- enum ORIENTATION current_movement;
-} MainPlayerData;
-
-/* compute the hash of a password */
-void digest_message(const unsigned char *message,
- size_t message_len, unsigned char **digest, unsigned int *digest_len)
-{
- EVP_MD_CTX *mdctx;
-
- if((mdctx = EVP_MD_CTX_new()) == NULL)
- goto err;
-
- if(1 != EVP_DigestInit_ex(mdctx, EVP_sha256(), NULL))
- goto err;
-
- if(1 != EVP_DigestUpdate(mdctx, message, message_len))
- goto err;
-
- if((*digest = (unsigned char *)
- OPENSSL_malloc(EVP_MD_size(EVP_sha256()))) == NULL)
- goto err;
-
- if(1 != EVP_DigestFinal_ex(mdctx, *digest, digest_len))
- goto err;
-
- EVP_MD_CTX_free(mdctx);
- return;
-err:
- EVP_MD_CTX_free(mdctx);
- ERR_print_errors_fp(stderr);
- exit (2);
-}
-
-/* convert the hashed binary password to hexadecimal representation and
- free the hashed binary password */
-void to_hexadecimal (char *hex, unsigned char *binary_pwd, unsigned int len)
-{
- char buf[3];
- /* keep reference to beginning of the hashed password */
- unsigned char *binary_pw_begin = binary_pwd;
- for (int i = 0; i < len; i ++)
- {
- sprintf (buf, "%02x", (*binary_pwd)&0xff);
- strcat (hex, buf);
- binary_pwd ++;
- }
- /* free the hashed password */
- OPENSSL_free (binary_pw_begin);
-}
-
-/* get a number from the user */
-int get_num ()
-{
- char s[5];
- fgets (s, 5, stdin);
- int n = atoi (s);
- return n;
-}
-
-/* verify solution password */
-bool verify_solution_password (Puzzle *p, const char* password)
-{
- /* no password set */
- if (strcmp (p->hashed_solution_password, "\0") == 0)
- return true;
-
- /* hash the user input password and compare it with the stored password */
- unsigned char* hashed_sol_password;
- unsigned int len;
- digest_message ((const unsigned char *)password, strlen(password),
- &hashed_sol_password, &len);
- char hashed_hex_pwd[256] = { (char) NULL };
- to_hexadecimal (hashed_hex_pwd, hashed_sol_password, len);
-
- if (strcmp (p->hashed_solution_password, hashed_hex_pwd) == 0)
- return true;
-
- return false;
-}
-
-
-/* verify master password */
-bool verify_master_password (Puzzle *p, const char* password)
-{
- /* no password set */
- if (strcmp (p->hashed_master_password, "\0") == 0)
- return true;
-
- /* hash the user input password and compare it with the stored password */
- unsigned char* hashed_mas_password;
- unsigned int len;
- digest_message ((const unsigned char *)password, strlen(password),
- &hashed_mas_password, &len);
- char hashed_hex_pwd[256] = { (char) NULL };
- to_hexadecimal (hashed_hex_pwd, hashed_mas_password, len);
-
- if (strcmp (p->hashed_master_password, hashed_hex_pwd) == 0)
- return true;
-
- return false;
-}
-
-/* Set or reset solution password for puzzle */
-void set_solution_password (Puzzle *p, const char *password)
-{
- /* if it is a null string, reset the password */
- if (strcmp (password, "\0") == 0)
- strcpy (p->hashed_solution_password, "\0");
- else
- {
-
- unsigned char* hashedpwd;
- unsigned int len;
- digest_message ((const unsigned char *)password, strlen(password),
- &hashedpwd, &len);
- /* the hashedpwd contains binary data - we will convert it to
- hexadecimal data and store in file */
-
- to_hexadecimal (p->hashed_solution_password, hashedpwd, len);
- }
-}
-
-/* Set or reset master password for puzzle */
-void set_master_password (Puzzle *p, const char *password)
-{
- /* if it is a null string, reset the password */
- if (strcmp (password, "\0") == 0)
- strcpy (p->hashed_master_password, "\0");
- else
- {
-
- unsigned char* hashedpwd;
- unsigned int len;
- digest_message ((const unsigned char *)password, strlen(password),
- &hashedpwd, &len);
- /* the hashedpwd contains binary data - we will convert it to
- hexadecimal data and store in file */
-
- to_hexadecimal (p->hashed_master_password, hashedpwd, len);
- }
-}
-
-/* Output the clues to text file */
-void export_clues (Puzzle *p, const char *filename)
-{
- FILE *outfile = fopen (filename, "w");
- if (outfile == NULL)
- {
- fprintf (stderr, "%s\n", ERROR_WRITING_FILE);
- exit (1);
- }
- /* first the across clues */
- fprintf (outfile, "ACROSS CLUES\n");
- for (int i = 0; i < p->grid_size; i ++)
- {
- for (int j = 0; j < p->grid_size; j ++)
- {
- if (p->start_across_word[i][j] != -1)
- fprintf (outfile, "%d - %s\n", p->start_across_word[i][j],
- p->clue_across[i][j]);
- }
- }
- /* now the down clues */
- fprintf (outfile, "DOWN CLUES\n");
- for (int i = 0; i < p->grid_size; i ++)
- {
- for (int j = 0; j < p->grid_size; j ++)
- {
- if (p->start_down_word[i][j] != -1)
- fprintf (outfile, "%d - %s\n", p->start_down_word[i][j],
- p->clue_down[i][j]);
- }
- }
- fclose (outfile);
-}
-
-/* Output the grid to image - if answerkey is true export filled grid */
-void export_grid_image (Puzzle *p, const char *filename, bool answerkey)
-{
- int img_size = p->grid_size * GRID_PIXELS;
- FILE * outfile = fopen (filename, "wb");
- if (outfile == NULL)
- {
- fprintf (stderr, "%s\n", ERROR_WRITING_FILE);
- exit (1);
- }
-
- gdImagePtr img = gdImageCreate (img_size, img_size);
- gdImageColorAllocate (img, 255,255,255);
- int black = gdImageColorAllocate (img, 0, 0, 0);
- int blue = gdImageColorAllocate (img, 0, 0, 216);
- gdFontPtr sm_fnt = gdFontGetMediumBold ();
- gdFontPtr lg_fnt = gdFontGetGiant ();
-
- for (int i = 0; i < p->grid_size; i ++)
- {
- for (int j = 0; j < p->grid_size; j++)
- {
- /* if it is a block, draw the black square */
- if (p->chars[i][j] == '#')
- gdImageFilledRectangle (img, j*GRID_PIXELS, i*GRID_PIXELS,
- j*GRID_PIXELS+GRID_PIXELS,
- i*GRID_PIXELS+GRID_PIXELS,black);
- else
- {
- /* draw a regular square */
- gdImageRectangle (img, j*GRID_PIXELS, i*GRID_PIXELS,
- j*GRID_PIXELS+GRID_PIXELS,
- i*GRID_PIXELS+GRID_PIXELS, black);
-
- /* print the numers, if it is either start across word or
- a down word */
- if (p->start_across_word[i][j] != -1 ||
- p->start_down_word[i][j] != -1)
- {
- if (p->start_across_word[i][j] != -1)
- {
- char str[5];
- sprintf (str, "%d", p->start_across_word[i][j]);
- gdImageString (img, sm_fnt, j*GRID_PIXELS+2,
- i*GRID_PIXELS+2,
- (unsigned char *)str, blue);
- }
- else
- {
- char str[5];
- sprintf (str, "%d", p->start_down_word[i][j]);
- gdImageString (img, sm_fnt, j*GRID_PIXELS+2,
- i*GRID_PIXELS+2,
- (unsigned char *)str, blue);
- }
- }
- /* if answerkey is true, draw the character in the cell */
- if (answerkey)
- {
- gdImageChar (img, lg_fnt, j*GRID_PIXELS+15,
- i*GRID_PIXELS+10, p->chars[i][j], black);
- }
- }
- }
- }
-
- gdImagePng (img, outfile);
- gdImageDestroy (img);
- fclose (outfile);
-}
-
-/* Set the terminal colour */
-void set_color (enum COLOR fg, enum COLOR bg, enum ATTR at) {
- printf ("\x1B[%d;%d;%dm", fg+30, bg+40, at);
-}
-
-/* Reset the terminal colour */
-void reset_color () {
- printf ("\x1B[0m");
-}
-
-/* check if the prev row has a block or not */
-bool prev_row_block (Puzzle *p, int r, int c)
-{
- if (r == 0)
- return true;
- if (p->chars[r-1][c] == '#')
- return true;
- return false;
-}
-
-/* check if the next row has a block or not */
-bool next_row_block (Puzzle *p, int r, int c)
-{
- if (r == p->grid_size-1)
- return true;
- if (p->chars[r+1][c] == '#')
- return true;
- return false;
-}
-
-/* check if the prev col has a block or not */
-bool prev_col_block (Puzzle *p, int r, int c)
-{
- if (c == 0)
- return true;
- if (p->chars[r][c-1] == '#')
- return true;
- return false;
-}
-
-/* check if the next col has a block or not */
-bool next_col_block (Puzzle *p, int r, int c)
-{
- if (c == p->grid_size - 1)
- return true;
- if (p->chars[r][c+1] == '#')
- return true;
- return false;
-}
-
-/* check if previous row is blank or not */
-bool prev_row_blank (Puzzle *p, int r, int c)
-{
- if (r == 0) return true;
- if (p->chars[r-1][c] == ' ' || p->chars[r-1][c] == '#') return true;
- return false;
-}
-/* check if next row is blank or not */
-bool next_row_blank (Puzzle *p, int r, int c)
-{
- if (r == p->grid_size - 1) return true;
- if (p->chars[r+1][c] == ' ' || p->chars[r+1][c] == '#') return true;
- return false;
-}
-/* check if previous col is blank or not */
-bool prev_col_blank (Puzzle *p, int r, int c)
-{
- if (c == 0) return true;
- if (p->chars[r][c-1] == ' ' || p->chars[r][c-1] == '#') return true;
- return false;
-}
-/* check if the next col is blank or not */
-bool next_col_blank (Puzzle *p, int r, int c)
-{
- if (c == p->grid_size -1) return true;
- if (p->chars[r][c+1] == ' ' || p->chars[r][c+1] == '#') return true;
- return false;
-}
-
-/* set the current row/col to the beginning of word index (across or down) */
-void set_selection_to_word_start (MainPlayerData *app_data,
- enum ORIENTATION orient, int word_index)
-{
- for (int i = 0; i < app_data->puzzle.grid_size; i ++)
- {
- for (int j = 0; j < app_data->puzzle.grid_size; j ++)
- {
- if (orient == ACROSS &&
- app_data->puzzle.start_across_word[i][j] == word_index)
- {
- app_data->current_movement = ACROSS;
- app_data->cur_row = i;
- app_data->cur_col = j;
- break;
- }
- else if (orient == DOWN &&
- app_data->puzzle.start_down_word[i][j] == word_index)
- {
- app_data->current_movement = DOWN;
- app_data->cur_row = i;
- app_data->cur_col = j;
- break;
- }
- }
- }
-}
-
-/* unfreeze the grid - make editing possible to change words */
-void unfreeze_puzzle (Puzzle *p)
-{
- for (int i = 0; i < p->grid_size; i ++)
- {
- for (int j = 0; j < p->grid_size; j ++)
- {
- if (p->chars[i][j] == '#')
- p->chars[i][j] = ' ';
-
- p->start_across_word[i][j] = -1;
- p->start_down_word[i][j] = -1;
- }
- }
- p->grid_frozen = false;
-}
-
-/* freeze the grid - make editing impossible because it finalizes the
- across and down words in the grid */
-void freeze_puzzle (Puzzle *p)
-{
- int word_num = 1;
- bool across_word_start, down_word_start;
- for (int i = 0; i < p->grid_size; i ++)
- {
- for (int j = 0; j < p->grid_size; j++)
- {
- across_word_start = false;
- down_word_start = false;
- /* if it is a blank cell - cover it with a block */
- if (p->chars[i][j] == ' ' || p->chars[i][j] == '#')
- p->chars[i][j] = '#';
- /* it is not a blank cell - check all possibilities */
- else
- {
- bool prev_row = prev_row_blank (p, i, j);
- bool next_row = next_row_blank (p, i, j);
- bool prev_col = prev_col_blank (p, i, j);
- bool next_col = next_col_blank (p, i, j);
- if (prev_row && ! next_row)
- down_word_start = true;
- if (prev_col && ! next_col)
- across_word_start = true;
- }
-
- if (across_word_start == true)
- p->start_across_word[i][j] = word_num;
- else
- p->start_across_word[i][j] = -1;
- if (down_word_start == true)
- p->start_down_word[i][j] = word_num;
- else
- p->start_down_word[i][j] = -1;
- if (across_word_start == true || down_word_start == true)
- word_num ++;
- }
- }
- p->grid_frozen = true;
-}
-
-/* reset the entire grid */
-void init_puzzle (Puzzle *p, int grid_size)
-{
- p->grid_size = grid_size;
- p->grid_frozen = false;
- for (int i = 0; i < p->grid_size; i ++)
- {
- for (int j = 0; j < p->grid_size; j ++)
- {
- p->chars[i][j] = ' ';
- p->start_across_word[i][j] = -1;
- p->start_down_word[i][j] = -1;
- strcpy (p->clue_across[i][j], "");
- strcpy (p->clue_down[i][j], "");
- }
- }
- strcpy (p->hashed_master_password, "\0");
- strcpy (p->hashed_solution_password, "\0");
-
-}
-
-/* save the puzzle to a file */
-void save_puzzle (Puzzle *puzzle, const char* file)
-{
- FILE *outfile;
- /* First output the uncompressed contents to a temp file */
- outfile = tmpfile ();
- if (outfile == NULL)
- {
- fprintf (stderr, "%s\n", ERROR_WRITING_FILE);
- exit (1);
- }
- /* grid size is the first field */
- fprintf (outfile, "%d\n", puzzle->grid_size);
- /* whether grid is frozen or not */
- fprintf (outfile, "%d\n", puzzle->grid_frozen);
- /* the hashed password */
- fprintf (outfile, "%s\n", puzzle->hashed_master_password);
- /* the hashed_solution_password */
- fprintf (outfile, "%s\n", puzzle->hashed_solution_password);
-
- /* First output the grid characters columns/rows */
- for (int i = 0; i < puzzle->grid_size; i ++)
- {
- for (int j = 0; j < puzzle->grid_size; j ++)
- fprintf (outfile, "%c", puzzle->chars[i][j]);
- fprintf (outfile, "\n");
- }
-
- /* Next output the start across/down numbers */
- for (int i = 0; i < puzzle->grid_size; i ++)
- {
- for (int j = 0; j < puzzle->grid_size; j++)
- {
- fprintf (outfile, "%d ", puzzle->start_across_word[i][j]);
- fprintf (outfile, "%d ", puzzle->start_down_word[i][j]);
- }
- fprintf (outfile, "\n");
- }
-
- /* Output the across clues */
- fprintf (outfile, "ACROSS\n");
- /* Search the grid for across words */
- for (int i = 0; i < puzzle->grid_size; i ++)
- {
- for (int j = 0; j < puzzle->grid_size; j++)
- {
- /* if it is an across word, then put the word index followed by
- tab character (as separator) and the clue */
- if (puzzle->start_across_word[i][j] != -1)
- fprintf (outfile, "%d\t%s\n", puzzle->start_across_word[i][j],
- puzzle->clue_across[i][j]);
- }
- }
-
- /* Output the down clues */
- fprintf (outfile, "DOWN\n");
- /* Search the grid for down words */
- for (int i = 0; i < puzzle->grid_size; i ++)
- {
- for (int j = 0; j < puzzle->grid_size; j++)
- {
- /* same as across word, put the word index followed by the tab
- character and then the clue */
- if (puzzle->start_down_word[i][j] != -1)
- fprintf (outfile, "%d\t%s\n", puzzle->start_down_word[i][j],
- puzzle->clue_down[i][j]);
- }
- }
-
- /* Flush the buffer and rewind to beginning - to read and save into
- gzip compressed file */
- fflush (outfile);
- fseek (outfile, 0, 0);
-
- /* now compress the file and save it to destination file */
- gzFile outdestfile = gzopen (file, "wb");
- if (outdestfile == NULL)
- {
- fprintf (stderr, "%s\n", ERROR_WRITING_FILE);
- fclose (outfile);
- exit (1);
- }
- char buf[128];
- int num = fread (buf, sizeof(char), sizeof(char)*128, outfile);
- while (num > 0)
- {
- int res = gzwrite (outdestfile, buf, num*sizeof(char) );
- if (res == 0)
- {
- fprintf (stderr, "%s %s\n", ERROR_WRITING_FILE, COMPRESSED);
- fclose (outfile);
- exit (1);
- }
- num = fread (buf, sizeof(char), sizeof(char)*128, outfile);
- }
- gzclose (outdestfile);
- fclose (outfile);
-
-}
-
-/* read the puzzle from a file */
-Puzzle load_puzzle (const char* file)
-{
- /* First open the GZip file */
- gzFile insourcefile = gzopen (file, "rb");
- if (insourcefile == NULL)
- {
- fprintf (stderr, "%s %s\n", ERROR_READING_FILE, COMPRESSED);
- exit (1);
- }
- /* Open a temporary file to uncompress the contents */
- FILE *infile = tmpfile ();
- if (infile == NULL)
- {
- fprintf (stderr, "%s\n", ERROR_READING_FILE);
- exit (1);
- }
- /* Put the uncompressed content to the temp file */
- char buf[128];
- int num = 0;
- num = gzread (insourcefile, buf, 128);
- while (num > 0)
- {
- int res = fwrite (buf, 1, num, infile);
- if (res == 0)
- {
- fprintf (stderr, "%s\n", ERROR_READING_FILE);
- fclose (infile);
- gzclose (insourcefile);
- exit (1);
- }
- num = gzread (insourcefile, buf, 128);
- }
- /* Close the gzip file */
- gzclose (insourcefile);
- /* Flush the temp file buffer and rewind to beginning */
- fflush (infile);
- fseek (infile, 0, 0);
-
- /* Read the temporary file contents to the structure Puzzle */
- Puzzle p;
- char line[MAX_CLUE_LENGTH+10];
- fgets (line, MAX_CLUE_LENGTH + 10, infile);
- p.grid_size = atoi (line);
- fgets (line, MAX_CLUE_LENGTH + 10, infile);
- p.grid_frozen = atoi (line) == 0 ? false : true ;
- fgets (line, MAX_CLUE_LENGTH + 10, infile);
- if (strlen (line) != 1)
- strcpy (p.hashed_master_password, strtok (line, "\n"));
- else
- strcpy (p.hashed_master_password, "\0");
- fgets (line, MAX_CLUE_LENGTH + 10, infile);
- if (strlen (line) != 1)
- strcpy (p.hashed_solution_password, strtok (line, "\n"));
- else
- strcpy (p.hashed_solution_password, "\0");
-
- /* read each character of the grid */
- for (int i = 0; i < p.grid_size; i ++ )
- {
- fgets (line, MAX_CLUE_LENGTH + 10, infile);
- for (int j = 0; j < p.grid_size; j ++)
- p.chars[i][j] = line[j];
- }
- /* read the word numbers */
- for (int i = 0; i < p.grid_size; i ++)
- {
- fgets (line, MAX_CLUE_LENGTH + 10, infile);
- char *token = strtok (line, " ");
- for (int j = 0; j < p.grid_size; j ++)
- {
- if (token != NULL)
- p.start_across_word[i][j] = atoi (token);
- token = strtok (NULL, " ");
- if (token != NULL)
- p.start_down_word[i][j] = atoi (token);
- token = strtok (NULL, " ");
- }
- }
- /* read the clues */
- fgets (line, MAX_CLUE_LENGTH + 10, infile);
-
- /* across clues */
- char clues[100][MAX_CLUE_LENGTH];
- int word_num[100];
- int c = 0;
- /* first read the across clues from file */
- while (1)
- {
- fgets (line, MAX_CLUE_LENGTH + 10, infile);
- /* if reached the end of across clues */
- if (strcmp (line, "DOWN\n") == 0)
- break;
- word_num[c] = atoi (strtok (line, "\t"));
- char *cl = strtok (NULL, "\n");
- if (cl != NULL)
- strcpy (clues[c], cl);
- else
- strcpy (clues[c], "\0");
- c++;
- }
- /* set the clue to the correct cell in grid */
- for (int i = 0; i < p.grid_size; i ++)
- {
- for (int j = 0; j < p.grid_size; j ++)
- {
- for (int r = 0; r < c; r ++)
- if (p.start_across_word[i][j] == word_num[r])
- strcpy (p.clue_across[i][j], clues[r]);
- }
- }
-
- /* down clues */
- c = 0;
- while (fgets (line, MAX_CLUE_LENGTH + 10, infile))
- {
- word_num[c] = atoi (strtok (line, "\t"));
- char* cl = strtok (NULL, "\n");
- if (cl != NULL)
- strcpy (clues[c], cl);
- else
- strcpy (clues[c], "\0");
- c++;
- }
- for (int i = 0; i < p.grid_size; i ++)
- {
- for (int j = 0; j < p.grid_size; j ++)
- {
- for (int r = 0; r < c; r ++)
- if (p.start_down_word[i][j] == word_num[r])
- strcpy (p.clue_down[i][j], clues[r]);
- }
- }
-
- fclose (infile);
- return p;
-}
-
-/* display the puzzle */
-void print_puzzle (Puzzle *p)
-{
- printf ("\n");
- set_color (WHITE, CYAN, NORMAL);
- printf (" ");
- for (int i = 0; i < p->grid_size; i ++)
- printf ("%3d", i);
- reset_color ();
- printf("\n");
- for (int i = 0; i < p->grid_size; i ++)
- {
- set_color (WHITE, CYAN, NORMAL);
- printf ("%3d ", i);
- for (int j = 0; j < p->grid_size; j ++)
- {
- if (p->chars[i][j] == '#') {
- set_color (WHITE, BLACK, NORMAL);
- printf (" ");
- }
- else
- {
- if (p->start_across_word[i][j] != -1 ||
- p->start_down_word[i][j] != -1)
- {
- set_color (BLUE, WHITE, NORMAL);
- if (p->start_across_word[i][j] != -1)
- printf ("%-2d", p->start_across_word[i][j]);
- else
- printf ("%-2d", p->start_down_word[i][j]);
- }
- else
- {
- set_color (BLACK, WHITE,NORMAL);
- printf (" ");
- }
-
- set_color (BLACK, WHITE, BOLD);
- printf ("%c", p->chars[i][j]);
- }
- reset_color ();
- }
- printf ("\n");
- }
- /* print the clues if set */
- if (p->grid_frozen == true)
- {
- printf ("\x1B[1mACROSS - CLUES\x1B[0m\n");
- for (int i = 0; i < p->grid_size; i ++)
- {
- for (int j = 0; j < p->grid_size; j ++)
- {
- if (p->start_across_word[i][j] != -1)
- {
- printf ("%d - %s; ", p->start_across_word[i][j],
- p->clue_across[i][j]);
- }
- }
- }
- printf ("\n\x1B[1mDOWN - CLUES\x1B[0m\n");
- for (int i = 0; i < p->grid_size; i ++)
- {
- for (int j = 0; j < p->grid_size; j ++)
- {
- if (p->start_down_word[i][j] != -1)
- {
- printf ("%d - %s; ", p->start_down_word[i][j],
- p->clue_down[i][j]);
- }
- }
- }
- printf ("\n");
- }
-}
-
-/* function to check if a word is valid or not */
-char* is_valid_word (char *word)
-{
- if (word == NULL || strlen(word) == 0)
- return NULL;
- for (int i = 0; i < strlen (word) - 1; i ++)
- if (! isalpha (word[i]))
- return NULL;
-
- return strtok (word, "\n");
-}
-
-
-/* function to set a clue for an across word */
-bool set_clue (Puzzle *p, String clue, int index, enum ORIENTATION order)
-{
- for (int i = 0; i < p->grid_size; i ++)
- {
- for (int j = 0; j < p->grid_size; j ++)
- {
- if (order == ACROSS)
- {
- if (p->start_across_word[i][j] == index)
- {
- strcpy (p->clue_across[i][j], clue);
- return true;
- }
- }
- else if (order == DOWN)
- {
- if (p->start_down_word[i][j] == index)
- {
- strcpy (p->clue_down[i][j], clue);
- return true;
- }
- }
- }
- }
- return false;
-}
-
-/* function to print a menu */
-void print_menu (enum COLOR fg, enum COLOR bg, const char* title,
- char **items, int num_items, int padding)
-{
- /* clear screen */
- printf ("\e[1;1H\e[2J");
- set_color (fg, bg, NORMAL);
- printf ("\u2554");
- for (int i = 0; i < padding; i ++)
- printf ("\u2550");
- printf ("\u2557");
- reset_color (); printf ("\n");
- set_color (fg, bg, NORMAL);
- printf ("\u2551");
- set_color (fg, bg, BOLD);
- printf ("%-*s", padding, title);
- reset_color ();
- set_color (fg, bg, NORMAL);
- printf ("\u2551");
- reset_color (); printf ("\n");
- set_color (fg, bg, NORMAL);
- printf ("\u2560");
- for (int i = 0; i < padding; i ++)
- printf ("\u2550");
- printf ("\u2563");
- reset_color (); printf ("\n");
- for (int i = 0; i < num_items; i ++)
- {
- set_color (fg, bg, NORMAL);
- printf ("\u2551%-*s\u2551", padding, items[i]);
- reset_color (); printf ("\n");
- }
- set_color (fg, bg, NORMAL);
- printf ("\u255A");
- for (int i = 0; i < padding; i ++)
- printf ("\u2550");
- printf ("\u255D");
- reset_color (); printf ("\n");
-}
-
-/* reset the player data, loading from the puzzle file */
-void reset_player_data (MainPlayerData *app_data, const char *filename)
-{
- app_data->puzzle = load_puzzle (filename);
-
- app_data->is_loaded = app_data->puzzle.grid_frozen;
- app_data->cur_col = -1;
- app_data->cur_row = -1;
- app_data->solution_revealed = false;
- strcpy (app_data->filename, filename);
- /* reset the answer keys */
- for (int i = 0; i < app_data->puzzle.grid_size; i ++)
- for (int j = 0; j < app_data->puzzle.grid_size; j ++)
- app_data->char_ans[i][j] = ' ';
-
-}
-
-/* save the user grid to a file */
-void save_user_data (MainPlayerData *app_data, const char *filename)
-{
- FILE *outfile;
- outfile = fopen (filename, "wb");
- if (outfile == NULL)
- {
- fprintf (stderr, ERROR_WRITING_FILE);
- return;
- }
- fprintf (outfile, "%s\n", app_data->filename);
- for (int i = 0; i < app_data->puzzle.grid_size; i ++)
- {
- for (int j = 0; j < app_data->puzzle.grid_size; j ++)
- fprintf (outfile, "%c", app_data->char_ans[i][j]);
- fprintf (outfile, "\n");
- }
-
- fclose (outfile);
-}
-
-/* load the user grid from a file */
-void load_user_data (MainPlayerData *app_data, const char *filename)
-{
- FILE *infile;
- infile = fopen (filename, "rb");
- if (infile == NULL)
- {
- fprintf (stderr, "%s\n", ERROR_READING_FILE);
- return;
- }
-
- char puzzle_file_name[65535];
- fgets (puzzle_file_name, 65535, infile);
- reset_player_data (app_data, strtok (puzzle_file_name, "\n"));
-
- char line[MAX_PUZZLE_SIZE+10];
- for (int i = 0; i < app_data->puzzle.grid_size; i ++)
- {
- fgets (line, MAX_PUZZLE_SIZE+10, infile);
- for (int j = 0; j < app_data->puzzle.grid_size; j ++)
- app_data->char_ans[i][j] = line[j];
-
- }
- fclose (infile);
-}
-
-/* in the player app, move the current selection index left or right */
-void move_current_col (MainPlayerData *app_data, enum DIRECTION dir)
-{
- int r = app_data->cur_row;
- int c = app_data->cur_col;
- if (dir == DIR_FORWARD)
- {
- c ++;
- while (c < app_data->puzzle.grid_size)
- {
- if (app_data->puzzle.chars[r][c] == '#')
- c ++;
- else
- break;
- }
- if (c < app_data->puzzle.grid_size)
- app_data->cur_col = c;
- }
- else
- {
- c --;
- while (c >= 0)
- {
- if (app_data->puzzle.chars[r][c] == '#')
- c --;
- else
- break;
- }
- if (c >= 0)
- app_data->cur_col = c;
- }
-}
-
-/* in the player app move the current selection index up or down */
-void move_current_row (MainPlayerData *app_data, enum DIRECTION dir)
-{
- int r = app_data->cur_row;
- int c = app_data->cur_col;
- if (dir == DIR_FORWARD)
- {
- r ++;
- while (r < app_data->puzzle.grid_size)
- {
- if (app_data->puzzle.chars[r][c] == '#')
- r ++;
- else
- break;
- }
- if (r < app_data->puzzle.grid_size)
- app_data->cur_row = r;
- }
- else
- {
- r --;
- while (r >= 0)
- {
- if (app_data->puzzle.chars[r][c] == '#')
- r --;
- else
- break;
- }
- if (r >= 0)
- app_data->cur_row = r;
- }
-}
-
-#endif
projects / wordblah.git / blobdiff