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">--so, some ringbuffers one for each train local ringbuflen=1000 local ringbufs={} local ringbufcnt={} function advtrains.drb_record(tid, msg) if not ringbufs[tid] then ringbufs[tid]={} ringbufcnt[tid]=0 end ringbufs[tid][ringbufcnt[tid]]=msg ringbufcnt[tid]=ringbufcnt[tid]+1 if ringbufcnt[tid] > ringbuflen then ringbufcnt[tid]=0 end end function advtrains.drb_dump(tid) atdebug("Debug ring buffer output for '"..tid.."':") local stopcnt=ringbufcnt[tid] if not stopcnt then atdebug("ID unknown!") return end repeat atdebug(ringbufs[tid][ringbufcnt[tid]]) ringbufcnt[tid]=ringbufcnt[tid]+1 if ringbufcnt[tid] > ringbuflen then ringbufcnt[tid]=0 end until ringbufcnt[tid]==stopcnt end minetest.register_chatcommand("atdebug_show", { params = "train sid", -- Short parameter description