Add a function to every game backend which indicates whether a game

state is in a solved position, and a midend function wrapping it.

(Or, at least, a situation in which further play is pointless. The
point is, given that game state, would it be a good idea for a front
end that does that sort of thing to proactively provide the option to
start a fresh game?)

[originally from svn r9140]

1 files changed, 13 insertions, 0 deletions

diff --git a/guess.c b/guess.c
index 38cdf25..a1d9841 100644
--- a/guess.c
+++ b/guess.c
@@ -1314,6 +1314,18 @@ static float game_flash_length(game_state *oldstate, game_state *newstate,
     return 0.0F;
 }
 
+static int game_is_solved(game_state *state)
+{
+    /*
+     * We return true whenever the solution has been revealed, even
+     * (on spoiler grounds) if it wasn't guessed correctly.
+     *
+     * However, in that situation, 'solved' is still true, so we don't
+     * have to make any effort to arrange this.
+     */
+    return state->solved;
+}
+
 static int game_timing_state(game_state *state, game_ui *ui)
 {
     return TRUE;
@@ -1362,6 +1374,7 @@ const struct game thegame = {
     game_redraw,
     game_anim_length,
     game_flash_length,
+    game_is_solved,
     FALSE, FALSE, game_print_size, game_print,
     FALSE,			       /* wants_statusbar */
     FALSE, game_timing_state,