aboutsummaryrefslogtreecommitdiff
path: root/slant.c
diff options
context:
space:
mode:
authorBen Harris <bjh21@bjh21.me.uk>2023-06-10 23:02:07 +0100
committerBen Harris <bjh21@bjh21.me.uk>2023-06-11 00:33:28 +0100
commit19b3bfc0d387424d6318027a1c3ff4b3ac532f19 (patch)
treee02e44889a185b6c78efddf945b4de23dfee69ab /slant.c
parent1547154efbfcf0bd8f6fc4f91fe99c26371fe0ee (diff)
downloadpuzzles-19b3bfc0d387424d6318027a1c3ff4b3ac532f19.zip
puzzles-19b3bfc0d387424d6318027a1c3ff4b3ac532f19.tar.gz
puzzles-19b3bfc0d387424d6318027a1c3ff4b3ac532f19.tar.bz2
puzzles-19b3bfc0d387424d6318027a1c3ff4b3ac532f19.tar.xz
Distinguish MOVE_UNUSED from MOVE_NO_EFFECT in Slant
Diffstat (limited to 'slant.c')
-rw-r--r--slant.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/slant.c b/slant.c
index ef4e208..134d49e 100644
--- a/slant.c
+++ b/slant.c
@@ -1727,7 +1727,7 @@ static char *interpret_move(const game_state *state, game_ui *ui,
x = FROMCOORD(x);
y = FROMCOORD(y);
if (x < 0 || y < 0 || x >= w || y >= h)
- return NULL;
+ return MOVE_UNUSED;
ui->cur_visible = false;
} else if (IS_CURSOR_SELECT(button)) {
if (!ui->cur_visible) {
@@ -1744,7 +1744,8 @@ static char *interpret_move(const game_state *state, game_ui *ui,
return MOVE_UI_UPDATE;
} else if (button == '\\' || button == '\b' || button == '/') {
int x = ui->cur_x, y = ui->cur_y;
- if (button == ("\\" "\b" "/")[state->soln[y*w + x] + 1]) return NULL;
+ if (button == ("\\" "\b" "/")[state->soln[y*w + x] + 1])
+ return MOVE_NO_EFFECT;
sprintf(buf, "%c%d,%d", button == '\b' ? 'C' : button, x, y);
return dupstr(buf);
}
@@ -1770,7 +1771,7 @@ static char *interpret_move(const game_state *state, game_ui *ui,
return dupstr(buf);
}
- return NULL;
+ return MOVE_UNUSED;
}
static game_state *execute_move(const game_state *state, const char *move)