X-Git-Url: https://harishankar.org/repos/?p=wordblah.git;a=blobdiff_plain;f=wordblox.h;fp=wordblox.h;h=e27d37cfbaeabe9b3f5b0e147e14a0e3f63d52e2;hp=f7a3ce4ae39f08eadbd96452aa85a15dd6af0ee8;hb=350edf3c909ce7926dc84411190cca003f6ac2e9;hpb=e9f447d1fbbf9c6098d6f3ea9c4695b60a68cead

diff --git a/wordblox.h b/wordblox.h
index f7a3ce4..e27d37c 100644
--- 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)
 {