From 2527398a3e4d1e4da15a7d8110f11cdf0b680224 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Thu, 16 Mar 2023 23:15:26 +0100
Subject: [PATCH] availability checks configurable

---
 models.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/models.cpp b/models.cpp
index d581b51b..39113f82 100644
--- a/models.cpp
+++ b/models.cpp
@@ -188,7 +188,10 @@ EX namespace models {
   /** mdRelPerspective and mdRelOrthogonal in hyperbolic space only make sense if it is actually a de Sitter visualization */
   EX bool desitter_projections;
 
+  EX vector<bool_reaction_t> avail_checkers;
+
   EX bool model_available(eModel pm) {
+    if(pm < isize(avail_checkers) && avail_checkers[pm]) return avail_checkers[pm]();
     if(mdinf[pm].flags & mf::technical) return false;
     if(gproduct) {
       if(pm == mdPerspective) return true;