From 224a02d086d3ec1319ed160f7f6e5b9577ecb8e0 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Mon, 13 Jul 2020 00:53:48 +0200
Subject: [PATCH] bigstuff in inverse

---
 barriers.cpp |  2 +-
 bigstuff.cpp |  2 ++
 cell.cpp     | 15 ++++++++++++++-
 landlock.cpp |  1 +
 4 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/barriers.cpp b/barriers.cpp
index 3bc8c4e5..a7339c9a 100644
--- a/barriers.cpp
+++ b/barriers.cpp
@@ -844,7 +844,7 @@ EX bool buildBarrierNowall(cell *c, eLand l2, int forced_dir IS(NODIR)) {
   vector<int> ds = hrandom_permutation(c->type);
 
   for(int i=0; i<c->type; i++) {
-    int d = forced_dir != NODIR ? forced_dir : (valence()>3) ? (2+(i&1)) : ds[i];
+    int d = forced_dir != NODIR ? forced_dir : (valence()>3 && !INVERSE) ? (2+(i&1)) : ds[i];
 /*    if(warpv && GOLDBERG) {
       d = hrand(c->type); */
     if(warpv && c->move(d) && c->move(d)->mpdist < c->mpdist) continue;
diff --git a/bigstuff.cpp b/bigstuff.cpp
index 24a60544..d3a467d0 100644
--- a/bigstuff.cpp
+++ b/bigstuff.cpp
@@ -1375,6 +1375,7 @@ EX int wallchance(cell *c, bool deepOcean) {
 
 /** should we generate the horocycles in the current geometry? */
 EX bool horo_ok() {  
+  if(INVERSE) return false;
   return hyperbolic && !bt::in() && !arcm::in() && !kite::in() && !experimental && !hybri;
   }
 
@@ -1421,6 +1422,7 @@ EX bool deep_ocean_at(cell *c, cell *from) {
 EX bool good_for_wall(cell *c) {
   if(arcm::in()) return true;
   if(WDIM == 3) return true;
+  if(INVERSE) return true;
   return pseudohept(c);
   }
 
diff --git a/cell.cpp b/cell.cpp
index 82e3b6f7..ce0d5ff6 100644
--- a/cell.cpp
+++ b/cell.cpp
@@ -531,6 +531,11 @@ EX int celldistAlt(cell *c) {
   if(ctof(c)) return c->master->alt->distance;
   #if CAP_GP
   if(GOLDBERG) return gp::compute_dist(c, celldistAlt);
+  if(INVERSE) {
+    cell *c1 = gp::get_mapped(c);
+    return UIU(gp::compute_dist(c1, celldistAlt)) / 2;
+    /* TODO */
+    }
   #endif
   int dx[MAX_S3]; dx[0] = 0;
   for(int u=0; u<S3; u++) if(createMov(c, u+u)->master->alt == NULL)
@@ -1122,6 +1127,13 @@ EX int celldistance(cell *c1, cell *c2) {
   if(hyperbolic && WDIM == 3) return reg3::celldistance(c1, c2);
   #endif
 
+  if(INVERSE) {
+    c1 = gp::get_mapped(c1);
+    c2 = gp::get_mapped(c2);
+    return UIU(celldistance(c1, c2)) / 2;
+    /* TODO */
+    }
+
   return hyperbolic_celldistance(c1, c2);
   }
 
@@ -1316,7 +1328,8 @@ EX bool standard_tiling() {
   }
 
 EX int valence() {
-  if(BITRUNCATED) return 3;
+  if(BITRUNCATED || IRREGULAR) return 3;
+  if(INVERSE) return WARPED ? 4 : max(S3, S7);
   #if CAP_ARCM
   if(arcm::in()) return arcm::valence();
   #endif
diff --git a/landlock.cpp b/landlock.cpp
index 60561874..cd58366e 100644
--- a/landlock.cpp
+++ b/landlock.cpp
@@ -910,6 +910,7 @@ EX land_validity_t& land_validity(eLand l) {
       }
     if(arcm::in() || kite::in()) return not_implemented;
     if(bounded) return unbounded_only;
+    if(INVERSE) return not_implemented;
     }
   
   if(chaosmode && isCrossroads(l))