From f36fee9faaa7890dd48e2f134cf1738356dff566 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Fri, 15 Nov 2019 02:36:14 +0100
Subject: [PATCH] racing:: better bounded tracks

---
 cell.cpp   |  2 +-
 racing.cpp | 26 +++++++++++++++++++-------
 2 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/cell.cpp b/cell.cpp
index e5790cb1..6b518ad7 100644
--- a/cell.cpp
+++ b/cell.cpp
@@ -974,7 +974,7 @@ EX int heptdistance(cell *c1, cell *c2) {
   else return heptdistance(c1->master, c2->master);
   }
 
-map<pair<cell*, cell*>, int> saved_distances;
+EX map<pair<cell*, cell*>, int> saved_distances;
 
 set<cell*> keep_distances_from;
 
diff --git a/racing.cpp b/racing.cpp
index 739f9fbb..5b845c1c 100644
--- a/racing.cpp
+++ b/racing.cpp
@@ -289,15 +289,15 @@ void find_track(cell *start, int sign, int len) {
           case 4: id = start->master->emeraldval - c1->master->emeraldval; break;
           }
         } */
-      if(nil && !quotient) {
+      if(use_exhaustive_distance)
+        id = trackval(c1);
+      else if(nil && !quotient) {
         switch(sign) { 
           case 1: id = c1->master->emeraldval - start->master->emeraldval; break;
           case 2: case 3: id = start->master->fieldval - c1->master->fieldval; break;
           case 4: id = start->master->emeraldval - c1->master->emeraldval; break;
           }
         }
-      else if(asonov::in() && use_exhaustive_distance)
-        id = trackval(c1);
       else if(asonov::in() && asonov::period_z) {
         auto co = asonov::get_coord(c->master);
         ld x = szgmod(co[0], asonov::period_xy);
@@ -305,7 +305,6 @@ void find_track(cell *start, int sign, int len) {
         ld z = hypot(x, y);
         ld maxz = asonov::period_xy ? asonov::period_xy/3 : 1000000000;
         id = int((log(z) / log(maxz)) * length);
-        println(hlog, co, " -> ", id);
         }
       else if(solnih)
         id = (start->master->distance - c1->master->distance) * sign;
@@ -457,19 +456,32 @@ EX void generate_track() {
   if(euclid && (penrose || archimedean || quotient)) use_exhaustive_distance = true;
   if(nil && quotient) use_exhaustive_distance = true;
   if(asonov::in() && asonov::period_xy && asonov::period_xy <= 256) use_exhaustive_distance = true;
-    
-  if(use_exhaustive_distance) permanent_long_distances(s);
   
+  if(bounded) use_exhaustive_distance = true;
+    
+  if(use_exhaustive_distance) 
+    permanent_long_distances(s);
+
   bounded_track = false;
   
   length = LENGTH;
   if(WDIM == 3 || weirdhyperbolic) length = max(length - 10 * race_try, 10);
-  
+
+  if(use_exhaustive_distance) {
+    int maxsd = 0;
+    for(auto p: saved_distances) maxsd = max(maxsd, p.second);
+    println(hlog, "max length = ", maxsd);
+    length = min(length, maxsd * 5/6);
+    }
+    
   try {
   if(bounded && !prod && !(cgflags & qHUGE_BOUNDED)) {
     bounded_track = true;
     make_bounded_track(s);
     }
+  else if(use_exhaustive_distance) {
+    find_track(s, 0, length);
+    }
   else if(asonov::in()) {
     find_track(s, 0, length);
     }