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-rw-r--r--advtrains_interlocking/signal_api.lua42
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)