[Fix] #39956 上り階段の生成に失敗していた問題を修正 / Fix the problem that creation of upstars failed

diff --git a/src/grid.c b/src/grid.c
index 4322fad..fb50f5d 100644 (file)
--- a/src/grid.c
+++ b/src/grid.c
@@ -1219,12 +1219,14 @@ void place_grid(player_type *player_ptr, grid_type *g_ptr, grid_bold_type gb_typ
        case gb_floor:
        {
                g_ptr->feat = feat_ground_type[randint0(100)];
+               g_ptr->info &= ~(CAVE_MASK);
                g_ptr->info |= CAVE_FLOOR;
                break;
        }
        case gb_extra:
        {
                g_ptr->feat = feat_wall_type[randint0(100)];
+               g_ptr->info &= ~(CAVE_MASK);
                g_ptr->info |= CAVE_EXTRA;
                break;
        }
@@ -1236,18 +1238,21 @@ void place_grid(player_type *player_ptr, grid_type *g_ptr, grid_bold_type gb_typ
        case gb_inner:
        {
                g_ptr->feat = feat_wall_inner;
+               g_ptr->info &= ~(CAVE_MASK);
                g_ptr->info |= CAVE_INNER;
                break;
        }
        case gb_inner_perm:
        {
                g_ptr->feat = feat_permanent;
+               g_ptr->info &= ~(CAVE_MASK);
                g_ptr->info |= CAVE_INNER;
                break;
        }
        case gb_outer:
        {
                g_ptr->feat = feat_wall_outer;
+               g_ptr->info &= ~(CAVE_MASK);
                g_ptr->info |= CAVE_OUTER;
                break;
        }
@@ -1263,6 +1268,7 @@ void place_grid(player_type *player_ptr, grid_type *g_ptr, grid_bold_type gb_typ
                        g_ptr->feat = feat_wall_outer;
                }
 
+               g_ptr->info &= ~(CAVE_MASK);
                g_ptr->info |= (CAVE_OUTER | CAVE_VAULT);
                break;
        }
@@ -1274,6 +1280,7 @@ void place_grid(player_type *player_ptr, grid_type *g_ptr, grid_bold_type gb_typ
        case gb_solid_perm:
        {
                g_ptr->feat = feat_permanent;
+               g_ptr->info &= ~(CAVE_MASK);
                g_ptr->info |= CAVE_SOLID;
                break;
        }
@@ -1286,7 +1293,6 @@ void place_grid(player_type *player_ptr, grid_type *g_ptr, grid_bold_type gb_typ
                return;
        }
 
-       g_ptr->info &= ~(CAVE_MASK);
        if (g_ptr->m_idx > 0) delete_monster_idx(player_ptr, g_ptr->m_idx);
 }