From 37bace6c487525408cfc1706eacf8f31dc6124dc Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Thu, 6 Mar 2025 12:48:23 +0100
Subject: [PATCH] fixed forward_steps, added 'bidirectional' flag (will be
 settable in geometry setting)

---
 rogueviz/seuphorica.cpp | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/rogueviz/seuphorica.cpp b/rogueviz/seuphorica.cpp
index 4a0ce03a..748e3475 100644
--- a/rogueviz/seuphorica.cpp
+++ b/rogueviz/seuphorica.cpp
@@ -18,6 +18,8 @@ using std::ostream;
 using coord = cell*;
 using vect2 = cellwalker;
 
+bool bidirectional;
+
 bool in_board(coord co) { return true; }
 
 bool euclid_only() {
@@ -51,7 +53,15 @@ void set_orientation(cell *c, cellwalker cw) {
   tile_orientation[c] = cw;
   }
 
-vector<vect2> forward_steps(coord c) { return {cellwalker(c, 2), cellwalker(c, 3)}; }
+vector<vect2> forward_steps(coord c) {
+  if(euclid_only() && !bidirectional)
+    return {cellwalker(c, 2), cellwalker(c, 3)};
+  else {
+    vector<vect2> vs;
+    for(int i=0; i<c->type; i++) vs.push_back(cellwalker(c, i));
+    return vs;
+    }
+  }
 
 struct xy { int x; int y; };
 
@@ -103,11 +113,10 @@ void from_map(coord co, struct tile& t);
 void is_clone(struct tile& orig, struct tile& clone);
 
 bool gok_hv() { return euclid_only(); }
-/* geometry supports default orientation */
-bool gok_rev() { return euclid_only(); }
-/* geometry supports gigantic mirrors and gigantic portals */
 bool gok_gigacombo() { return euclid_only(); }
 
+bool gok_rev() { return euclid_only() || bidirectional; }
+
 }
 
 #define NONJS