From 6d72bd820b9b9bb7fa2ee14c2acda622abede5c1 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Fri, 8 Mar 2019 22:42:14 +0100
Subject: [PATCH] 3d:: extra_generation_distance (todo: make it configurable
 from menus)

---
 hyper.h      | 3 +++
 hypgraph.cpp | 8 +++++---
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/hyper.h b/hyper.h
index 69ebd7de..36e1a21d 100644
--- a/hyper.h
+++ b/hyper.h
@@ -4918,5 +4918,8 @@ bool normal_gravity_at(cell *c);
 void build_pool(cell *c, bool with_boat);
 void createArrowTrapAt(cell *c, eLand land);
 bool no_barriers_in_radius(cell *c, int rad);
+
+extern ld extra_generation_distance;
+
 }
 
diff --git a/hypgraph.cpp b/hypgraph.cpp
index 1ef349ed..d780c105 100644
--- a/hypgraph.cpp
+++ b/hypgraph.cpp
@@ -1548,11 +1548,13 @@ bool do_draw(cell *c) {
   return true;
   }  
 
+ld extra_generation_distance = 99;
+
 bool do_draw(cell *c, const transmatrix& T) {
   if(DIM == 3) {
-    if(hyperbolic && T[DIM][DIM] > cosh(sightranges[geometry])) return false;
-    if(euclid && hypot_d(3, tC0(T)) > sightranges[geometry]) return false;
-    setdist(c, 7, c);
+    ld dist = hdist0(tC0(T));
+    if(dist > sightranges[geometry]) return false;
+    if(dist <= extra_generation_distance) setdist(c, 7, c);
     return true;
     }