Forbid undo of new-game if it would change the params.

[sgt-puzzles.git] / undead.c

diff --git a/undead.c b/undead.c
index fc03fe8f1701d182fec0477b554cf17f23861b7e..b1f536e8d0233183a3d0ecf553999038670bf120 100644 (file)
--- a/undead.c
+++ b/undead.c
@@ -1955,7 +1955,9 @@ int check_path_solution(game_state *state, int p) {
         }
     }
 
-    if (unfilled == 0 && count != state->common->paths[p].sightings_start) {
+    if (count            > state->common->paths[p].sightings_start ||
+        count + unfilled < state->common->paths[p].sightings_start)
+    {
         correct = FALSE;
         state->hint_errors[state->common->paths[p].grid_start] = TRUE;
     }
@@ -1977,7 +1979,9 @@ int check_path_solution(game_state *state, int p) {
         }
     }
 
-    if (unfilled == 0 && count != state->common->paths[p].sightings_end) {
+    if (count            > state->common->paths[p].sightings_end ||
+        count + unfilled < state->common->paths[p].sightings_end)
+    {
         correct = FALSE;
         state->hint_errors[state->common->paths[p].grid_end] = TRUE;
     }
@@ -2698,7 +2702,7 @@ static void game_print(drawing *dr, const game_state *state, int tilesize)
 const struct game thegame = {
     "Undead", "games.undead", "undead",
     default_params,
-    game_fetch_preset,
+    game_fetch_preset, NULL,
     decode_params,
     encode_params,
     free_params,