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FS#9930 by Joshua Simmons: Code clean up the goban plugin a bit, mostly by improving comments. No functional changes.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20060 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Mustapha Senhaji 2009-02-19 23:51:47 +00:00
parent 56ad29bab8
commit 07ae1e4fb9
8 changed files with 30 additions and 22 deletions
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15
apps/plugins/goban/board.c
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@ -55,7 +55,13 @@ static int flood_fill_helper (unsigned short pos, unsigned char orig_color,
/* these aren't "board marks" in the marks on the SGF sense, they are used
internally to mark already visited points and the like (such as when
doing liberty counting for groups) */
doing liberty counting for groups)
We avoid having to clear the entire array every time by storing the
"current_mark" number and defining marked as "== current_mark". We
still need to clear the whole array once per "cycle" though, or we'd get
false positives sometimes
*/
static void
setup_marks (void)
{
@ -92,13 +98,10 @@ is_marked (unsigned short pos)
void
clear_board (void)
{
unsigned int i, x, y;
unsigned int x, y;
/* for the borders */
for (i = 0; i < (2 + MAX_BOARD_SIZE) * (2 + MAX_BOARD_SIZE); ++i)
{
board_data[i] = INVALID;
}
rb->memset(board_data, INVALID, sizeof(board_data));
/* now make the actual board part */
for (y = 0; y < board_height; ++y)