また別の方法。まわりに同じ地形が密集してないときに少し優先度を上げる方法

を試してみる。

diff --git a/src/cave.c b/src/cave.c
index 82ea582..d4d31e7 100644 (file)
--- a/src/cave.c
+++ b/src/cave.c
@@ -2348,6 +2348,10 @@ void display_map(int *cy, int *cx)
 
        byte tp;
 
+       byte bigma[cur_hgt+2][cur_wid+2];
+       char bigmc[cur_hgt+2][cur_wid+2];
+       byte bigmp[cur_hgt+2][cur_wid+2];
+
        byte ma[SCREEN_HGT + 2][SCREEN_WID + 2];
        char mc[SCREEN_HGT + 2][SCREEN_WID + 2];
 
@@ -2390,6 +2394,19 @@ void display_map(int *cy, int *cx)
                }
        }
 
+       for (j = 0; j < cur_hgt + 2; ++j)
+       {
+               for (i = 0; i < cur_wid + 2; ++i)
+               {
+                       /* Nothing here */
+                       bigma[j][i] = TERM_WHITE;
+                       bigmc[j][i] = ' ';
+
+                       /* No priority */
+                       bigmp[j][i] = 0;
+               }
+       }
+
        /* Fill in the map */
        for (i = 0; i < cur_wid; ++i)
        {
@@ -2422,16 +2439,47 @@ void display_map(int *cy, int *cx)
                                tp = 0x7f;
                        }
 
+                       /* Save the char, attr and priority */
+                       bigmc[j+1][i+1] = tc;
+                       bigma[j+1][i+1] = ta;
+                       bigmp[j+1][i+1] = tp;
+               }
+       }
+
+       for (j = 0; j < cur_hgt; ++j)
+       {
+               for (i = 0; i < cur_wid; ++i)
+               {
+                       /* Location */
+                       x = i / xrat + 1;
+                       y = j / yrat + 1;
+
+                       tc = bigmc[j+1][i+1];
+                       ta = bigma[j+1][i+1];
+                       tp = bigmp[j+1][i+1];
+
+                       /* rare feature has more priority */
+                       if (mp[y][x] == tp)
+                       {
+                               int t;
+                               int cnt = 0;
+
+                               for (t = 0; t < 8; t++)
+                               {
+                                       if (tc == bigmc[j+1+ddy_cdd[t]][i+1+ddx_cdd[t]] &&
+                                           ta == bigma[j+1+ddy_cdd[t]][i+1+ddx_cdd[t]])
+                                               cnt++;
+                               }
+                               if (cnt <= 4)
+                                       tp++;
+                       }
+
                        /* Save "best" */
-                       if (mp[y][x] < tp || (mp[y][x] == tp && ((y + i) * yrat + x + j) % (xrat*yrat) == 0))
+                       if (mp[y][x] < tp)
                        {
-                               /* Save the char */
+                               /* Save the char, attr and priority */
                                mc[y][x] = tc;
-
-                               /* Save the attr */
                                ma[y][x] = ta;
-
-                               /* Save priority */
                                mp[y][x] = tp;
                        }
                }