From 1f5a78a11815bb0adfd0bb0d7c1ee64d867d259e Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno@eressea.de>
Date: Sat, 19 Oct 2024 19:37:51 +0200
Subject: [PATCH] lua binding for roads

---
 src/bind_region.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/bind_region.c b/src/bind_region.c
index 5cfef2bd4..638d3f398 100644
--- a/src/bind_region.c
+++ b/src/bind_region.c
@@ -250,6 +250,19 @@ static int tolua_region_get_adj(lua_State * L)
     return 1;
 }
 
+static int tolua_region_get_roads(lua_State * L)
+{
+    region *r = (region *)tolua_tousertype(L, 1, NULL);
+    int d, idx;
+
+    lua_createtable(L, MAXDIRECTIONS, 0);
+    for (d = 0, idx = 0; d != MAXDIRECTIONS; ++d) {
+        lua_pushinteger(L, rroad(r, d));
+        lua_rawseti(L, -2, ++idx);
+    }
+    return 1;
+}
+
 static int tolua_region_get_luxury(lua_State * L)
 {
     region *r = (region *)tolua_tousertype(L, 1, NULL);
@@ -815,6 +828,7 @@ void tolua_region_open(lua_State * L)
             tolua_function(L, "set_flag", tolua_region_set_flag);
             tolua_function(L, "next", tolua_region_get_next);
             tolua_variable(L, "adj", tolua_region_get_adj, NULL);
+            tolua_variable(L, "roads", tolua_region_get_roads, NULL);
 
             tolua_variable(L, "luxury", &tolua_region_get_luxury,
                 &tolua_region_set_luxury);