fix undeclared global accesses

2 files changed, 5 insertions, 2 deletions

diff --git a/advtrains_interlocking/route_prog.lua b/advtrains_interlocking/route_prog.lua
index 71ebdf3..81aa133 100644
--- a/advtrains_interlocking/route_prog.lua
+++ b/advtrains_interlocking/route_prog.lua
@@ -175,6 +175,9 @@ function advtrains.interlocking.visualize_route(origin, route, context, tmp_lcks
 		-- display locks
 		for pts, state in pairs(v.locks) do
 			local pos = minetest.string_to_pos(pts)
+			if not pos then
+				pos = advtrains.decode_pos(pts)
+			end
 			routesprite(context, pos, "fix"..k..pts, "at_il_route_lock.png", "Fixed in state '"..state.."' by route "..route.name.." until segment #"..k.." is freed.")
 		end
 	end
diff --git a/advtrains_interlocking/routesetting.lua b/advtrains_interlocking/routesetting.lua
index 6544a92..1065cad 100644
--- a/advtrains_interlocking/routesetting.lua
+++ b/advtrains_interlocking/routesetting.lua
@@ -86,8 +86,8 @@ function ilrs.set_route(signal, route, try)
 		local c_locks = {}
 		if route.use_rscache and c_ts.rs_cache and c_rseg.next then
 			-- rscache needs to be enabled, present and next must be defined
-			start_pkey = advtrains.encode_pos(c_sigd.p)
-			end_pkey = advtrains.encode_pos(c_rseg.next.p)
+			local start_pkey = advtrains.encode_pos(c_sigd.p)
+			local end_pkey = advtrains.encode_pos(c_rseg.next.p)
 			if c_ts.rs_cache[start_pkey] and c_ts.rs_cache[start_pkey][end_pkey] then
 				for lp,lst in pairs(c_ts.rs_cache[start_pkey][end_pkey]) do
 					--atdebug("Add lock from RSCache:",lp,"->",lst)