From 94fd7883166764aadb28aadcd495cf94a91b9738 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Mon, 23 Dec 2019 20:52:25 +0100
Subject: [PATCH] pattern 'P' now uses permanent_long_distances

---
 cell.cpp     | 2 +-
 pattern2.cpp | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/cell.cpp b/cell.cpp
index 242007fe..a76ff566 100644
--- a/cell.cpp
+++ b/cell.cpp
@@ -935,7 +935,7 @@ EX int heptdistance(cell *c1, cell *c2) {
 
 map<pair<cell*, cell*>, int> saved_distances;
 
-set<cell*> keep_distances_from;
+EX set<cell*> keep_distances_from;
 
 set<cell*> dists_computed;
 
diff --git a/pattern2.cpp b/pattern2.cpp
index a562d7b3..cae7d71c 100644
--- a/pattern2.cpp
+++ b/pattern2.cpp
@@ -1635,7 +1635,10 @@ EX namespace patterns {
         return res;
         }
       case 'P': {
-        int d = celldistance(c, currentmap->gamestart()->move(0));
+        cell *s = currentmap->gamestart()->move(0);
+        if(yendor::exhaustive_distance_appropriate() && !keep_distances_from.count(s))
+          permanent_long_distances(s);
+        int d = celldistance(s, c);
         color_t res = distcolors[d];
         if(d > 3) res |= 0x1000000;
         return res;