table.c の整理。

[hengband/hengband.git] / src / grid.c

diff --git a/src/grid.c b/src/grid.c
index b427a5b..6895d78 100644 (file)
--- a/src/grid.c
+++ b/src/grid.c
@@ -562,7 +562,7 @@ void set_floor(int x, int y)
  *   outer -- outer room walls
  *   solid -- solid room walls
  */
-void build_tunnel(int row1, int col1, int row2, int col2)
+bool build_tunnel(int row1, int col1, int row2, int col2)
 {
        int y, x;
        int tmp_row, tmp_col;
@@ -585,7 +585,7 @@ void build_tunnel(int row1, int col1, int row2, int col2)
        while ((row1 != row2) || (col1 != col2))
        {
                /* Mega-Hack -- Paranoia -- prevent infinite loops */
-               if (main_loop_count++ > 2000) break;
+               if (main_loop_count++ > 2000) return FALSE;
 
                /* Allow bends in the tunnel */
                if (randint0(100) < dun_tun_chg)
@@ -626,12 +626,6 @@ void build_tunnel(int row1, int col1, int row2, int col2)
                /* Access the location */
                c_ptr = &cave[tmp_row][tmp_col];
 
-               if (permanent_wall(&f_info[c_ptr->feat]))
-               {
-                       /* Avoid the edge of vaults */
-                       if (is_outer_grid(c_ptr)) continue;
-               }
-
                /* Avoid "solid" walls */
                if (is_solid_grid(c_ptr)) continue;
 
@@ -657,6 +651,7 @@ void build_tunnel(int row1, int col1, int row2, int col2)
                                dun->wall[dun->wall_n].x = col1;
                                dun->wall_n++;
                        }
+                       else return FALSE;
 
                        /* Forbid re-entry near this piercing */
                        for (y = row1 - 1; y <= row1 + 1; y++)
@@ -695,6 +690,7 @@ void build_tunnel(int row1, int col1, int row2, int col2)
                                dun->tunn[dun->tunn_n].x = col1;
                                dun->tunn_n++;
                        }
+                       else return FALSE;
 
                        /* Allow door in next grid */
                        door_flag = FALSE;
@@ -717,6 +713,7 @@ void build_tunnel(int row1, int col1, int row2, int col2)
                                        dun->door[dun->door_n].x = col1;
                                        dun->door_n++;
                                }
+                               else return FALSE;
 
                                /* No door in next grid */
                                door_flag = TRUE;
@@ -738,6 +735,8 @@ void build_tunnel(int row1, int col1, int row2, int col2)
                        }
                }
        }
+
+       return TRUE;
 }
 
 
@@ -773,9 +772,10 @@ static bool set_tunnel(int *x, int *y, bool affectwall)
                        dun->tunn[dun->tunn_n].y = *y;
                        dun->tunn[dun->tunn_n].x = *x;
                        dun->tunn_n++;
-               }
 
-               return TRUE;
+                       return TRUE;
+               }
+               else return FALSE;
        }
 
        if (is_floor_bold(*y, *x))
@@ -793,6 +793,7 @@ static bool set_tunnel(int *x, int *y, bool affectwall)
                        dun->wall[dun->wall_n].x = *x;
                        dun->wall_n++;
                }
+               else return FALSE;
 
                /* Forbid re-entry near this piercing */
                for (j = *y - 1; j <= *y + 1; j++)
@@ -1120,6 +1121,7 @@ bool build_tunnel2(int x1, int y1, int x2, int y2, int type, int cutoff)
                                                dun->door[dun->door_n].x = x3;
                                                dun->door_n++;
                                        }
+                                       else return FALSE;
                                }
                                firstsuccede = TRUE;
                        }