Enhanced word entry and grid movement in puzzle player

[wordblah.git] / wordblox.h

diff --git a/wordblox.h b/wordblox.h
index f7a3ce4..e27d37c 100644 (file)
--- a/wordblox.h
+++ b/wordblox.h
@@ -69,6 +69,7 @@ typedef struct {
        char char_ans[MAX_PUZZLE_SIZE][MAX_PUZZLE_SIZE];
        int cur_row;
        int cur_col;
+       enum ORIENTATION current_movement;
 } MainPlayerData;
 
 /* compute the hash of a password */
@@ -290,6 +291,46 @@ 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) 
 {
@@ -319,6 +360,34 @@ bool next_col_blank (Puzzle *p, int r, int c)
        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)
 {