diff options
Diffstat (limited to 'advtrains_interlocking/database.lua')
| -rw-r--r-- | advtrains_interlocking/database.lua | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/advtrains_interlocking/database.lua b/advtrains_interlocking/database.lua index a35d446..6787c50 100644 --- a/advtrains_interlocking/database.lua +++ b/advtrains_interlocking/database.lua @@ -634,6 +634,28 @@ function ildb.get_ip_by_signalpos(spos) end end end +function ildb.check_for_duplicate_ip(spos) + local main_ip_found = false + -- first pass: check for duplicates + for pts,tab in pairs(influence_points) do + for connid,pos in pairs(tab) do + if vector.equals(pos, spos) then + if main_ip_found then + atwarn("Signal at",spos,": Deleting duplicate signal influence point at",pts,"/",connid) + tab[connid] = nil + end + main_ip_found = true + end + end + end + -- second pass: delete empty tables + for pts,tab in pairs(influence_points) do + if not tab[1] and not tab[2] then -- only those two connids may exist + influence_points[pts] = nil + end + end +end + -- clear signal assignment given the signal position function ildb.clear_ip_by_signalpos(spos) local pts, connid = ildb.get_ip_by_signalpos(spos) |