diff options
Diffstat (limited to 'advtrains_interlocking/signal_api.lua')
| -rw-r--r-- | advtrains_interlocking/signal_api.lua | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/advtrains_interlocking/signal_api.lua b/advtrains_interlocking/signal_api.lua index ce3b03f..d27a045 100644 --- a/advtrains_interlocking/signal_api.lua +++ b/advtrains_interlocking/signal_api.lua @@ -80,7 +80,7 @@ ndef.advtrains = { -- Node can set any other fields at its discretion. They are not touched. -- Note: On first call advtrains automatically inserts into the ndef.advtrains table a main_aspects_lookup hashtable -- Note: Pure distant signals (that cannot show halt) should NOT have a main_aspects table - apply_aspect = function(pos, main_aspect, rem_aspect, rem_aspinfo) + apply_aspect = function(pos, node, main_aspect, rem_aspect, rem_aspinfo) -- set the node to show the desired aspect -- called by advtrains when this signal's aspect group or the remote signal's aspect changes -- MAY return the aspect_info. If it returns nil then get_aspect_info will be queried at a later point. @@ -120,7 +120,7 @@ Signals that are possible start and end points for a route must satisfy: -- Database -- Signal Aspect store -- Stores for each signal the main aspect and other info, like the assigned remote signal --- [signal encodePos] = { main_aspect = "proceed", [speed = 12], [remote = encodedPos] } +-- [signal encodePos] = { name = "proceed", [speed = 12], [remote = encodedPos] } signal.aspects = {} -- Distant signal notification. Records for each signal the distant signals that refer to it @@ -162,10 +162,11 @@ function signal.set_aspect(pos, main_asp_name, main_asp_speed, rem_pos, skip_dst -- if remote has changed, unregister from old remote if old_remote and old_remote~=new_remote and signal.distant_refs[old_remote] then + atdebug("unregister old remote: ",old_remote,"from",main_pts) signal.distant_refs[old_remote][main_pts] = nil end - signal.aspects[main_pts] = { main_aspect = main_asp_name, speed = main_asp_speed, remote = new_remote } + signal.aspects[main_pts] = { name = main_asp_name, speed = main_asp_speed, remote = new_remote } -- apply aspect on main signal, this also checks new_remote signal.reapply_aspect(main_pts) @@ -198,10 +199,12 @@ end -- Notify distant signals of main_pts of a change in the aspect of this signal -- function signal.notify_distants_of(main_pts, limit) + atdebug("notify_distants_of",advtrains.decode_pos(main_pts),"limit",limit) if limit <= 0 then return end local dstrefs = signal.distant_refs[main_pts] + atdebug("dstrefs",dstrefs,"") if dstrefs then for dst,_ in pairs(dstrefs) do -- ensure that the backref is still valid @@ -253,7 +256,7 @@ local function cache_mainaspects(ndefat) -- always define halt aspect halt = signal.MASP_HALT } - for _,ma in ipairs(ndefat.main_aspects) then + for _,ma in ipairs(ndefat.main_aspects) do ndefat.main_aspects_lookup[ma.name] = ma end end @@ -263,32 +266,37 @@ function signal.get_aspect_internal(pos, aspt) -- oh, no main aspect, nevermind return nil, aspt.remote, nil end + atdebug("get_aspect_internal",pos,aspt) -- look aspect in nodedef local node = advtrains.ndb.get_node_or_nil(pos) local ndef = node and minetest.registered_nodes[node.name] local ndefat = ndef and ndef.advtrains -- only if signal defines main aspect and its set in aspt - if ndefat and ndefat.main_aspects and aspt.main_aspect then + if ndefat and ndefat.main_aspects and aspt.name then if not ndefat.main_aspects_lookup then cache_mainaspects(ndefat) end local masp = ndefat.main_aspects_lookup[aspt.name] + if not masp then + atwarn(pos,"invalid main aspect",aspt.name,"valid are",ndefat.main_aspects_lookup) + return nil, aspt.remote, node, ndef + end -- if speed, then apply speed if masp.speed and aspt.speed then masp = table.copy(masp) masp.speed = aspt.speed end - return masp, aspt.remote, ndef + return masp, aspt.remote, node, ndef end -- invalid node or no main aspect, return nil for masp - return nil, aspt.remote, ndef + return nil, aspt.remote, node, ndef end -- For the signal at pos, get the "aspect info" table. This contains the speed signalling information at this location function signal.get_aspect_info(pos) -- get aspect internal local aspt = signal.aspects[advtrains.encode_pos(pos)] - local masp, remote, ndef = signal.get_aspect_internal(pos, aspt) + local masp, remote, node, ndef = signal.get_aspect_internal(pos, aspt) -- call into ndef if ndef.advtrains and ndef.advtrains.get_aspect_info then return ndef.advtrains.get_aspect_info(pos, masp) @@ -305,30 +313,38 @@ end function signal.reapply_aspect(pts) -- get aspt local aspt = signal.aspects[pts] + atdebug("reapply_aspect",advtrains.decode_pos(pts),"aspt",aspt) if not aspt then return -- oop, nothing to do end -- resolve mainaspect table by name local pos = advtrains.decode_pos(pts) - -- note: masp may be nil, when aspt.main_aspect was nil. Valid case for distant-only signals - local masp, remote, ndef = signal.get_aspect_internal(pos, aspt) + -- note: masp may be nil, when aspt.name was nil. Valid case for distant-only signals + local masp, remote, node, ndef = signal.get_aspect_internal(pos, aspt) -- if we have remote, resolve remote local rem_masp, rem_aspi if remote then + -- register in remote signal as distant + if not signal.distant_refs[remote] then + signal.distant_refs[remote] = {} + end + signal.distant_refs[remote][pts] = true local rem_aspt = signal.aspects[remote] + atdebug("resolving remote",advtrains.decode_pos(remote),"aspt",rem_aspt) if rem_aspt and rem_aspt.name then local rem_pos = advtrains.decode_pos(remote) - rem_masp, _, rem_ndef = signal.get_aspect_internal(rem_pos, rem_aspt) + rem_masp, _, _, rem_ndef = signal.get_aspect_internal(rem_pos, rem_aspt) if rem_masp then if rem_ndef.advtrains and rem_ndef.advtrains.get_aspect_info then - rem_aspi = rem_ndef.advtrains.get_aspect_info(pos, rem_masp) + rem_aspi = rem_ndef.advtrains.get_aspect_info(rem_pos, rem_masp) end end end end -- call into ndef + atdebug("applying to",pos,": main_asp",masp,"rem_masp",rem_masp,"rem_aspi",rem_aspi) if ndef.advtrains and ndef.advtrains.apply_aspect then - return ndef.advtrains.apply_aspect(pos, masp, rem_masp, rem_aspi) + ndef.advtrains.apply_aspect(pos, node, masp, rem_masp, rem_aspi) end -- notify trains signal.notify_trains(pos) |