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path: root/advtrains_interlocking/signal_api.lua
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Diffstat (limited to 'advtrains_interlocking/signal_api.lua')
-rw-r--r--advtrains_interlocking/signal_api.lua38
1 files changed, 35 insertions, 3 deletions
diff --git a/advtrains_interlocking/signal_api.lua b/advtrains_interlocking/signal_api.lua
index 0a9e6ea..a25e1f6 100644
--- a/advtrains_interlocking/signal_api.lua
+++ b/advtrains_interlocking/signal_api.lua
@@ -178,6 +178,8 @@ advtrains.interlocking.GENERIC_FREE = {
dst = false,
}
+local supposed_aspects = {}
+
local function convert_aspect_if_necessary(asp)
if type(asp.main) == "table" then
local newasp = {}
@@ -199,6 +201,24 @@ local function convert_aspect_if_necessary(asp)
return asp
end
+function advtrains.interlocking.load_supposed_aspects(tbl)
+ if tbl then
+ supposed_aspects = tbl
+ end
+end
+
+function advtrains.interlocking.save_supposed_aspects()
+ return supposed_aspects
+end
+
+local function set_supposed_aspect(pos, asp)
+ supposed_aspects[advtrains.roundfloorpts(pos)] = asp
+end
+
+local function get_supposed_aspect(pos)
+ return supposed_aspects[advtrains.roundfloorpts(pos)]
+end
+
function advtrains.interlocking.update_signal_aspect(tcbs)
if tcbs.signal then
local asp = tcbs.aspect or DANGER
@@ -213,6 +233,7 @@ end
function advtrains.interlocking.signal_after_dig(pos)
-- clear influence point
advtrains.interlocking.db.clear_ip_by_signalpos(pos)
+ set_supposed_aspect(pos, nil)
end
function advtrains.interlocking.signal_set_aspect(pos, asp)
@@ -222,12 +243,13 @@ function advtrains.interlocking.signal_set_aspect(pos, asp)
if ndef and ndef.advtrains and ndef.advtrains.set_aspect then
local oldasp = advtrains.interlocking.signal_get_aspect(pos) or DANGER
local suppasp = advtrains.interlocking.signal_get_supported_aspects(pos) or {}
+ local newasp = asp
if suppasp.type == 2 then
asp = advtrains.interlocking.aspects.type1_to_type2main(asp, suppasp.group)
end
+ set_supposed_aspect(pos, newasp)
ndef.advtrains.set_aspect(pos, node, asp)
- local actualasp = advtrains.interlocking.signal_get_aspect(pos) or DANGER
- local aspect_changed = advtrains.interlocking.aspects.not_equalp(oldasp, actualasp)
+ local aspect_changed = advtrains.interlocking.aspects.not_equalp(oldasp, newasp)
if aspect_changed then
advtrains.interlocking.signal_on_aspect_changed(pos)
end
@@ -289,7 +311,7 @@ end
-- Returns the actual aspect of the signal at position, as returned by the nodedef.
-- returns nil when there's no signal at the position
-function advtrains.interlocking.signal_get_aspect(pos)
+function advtrains.interlocking.signal_get_real_aspect(pos)
local node=advtrains.ndb.get_node(pos)
local ndef=minetest.registered_nodes[node.name]
if ndef and ndef.advtrains and ndef.advtrains.get_aspect then
@@ -305,6 +327,16 @@ function advtrains.interlocking.signal_get_aspect(pos)
return nil
end
+-- Returns the signal aspect as reported in the suppasp table.
+function advtrains.interlocking.signal_get_aspect(pos)
+ local asp = get_supposed_aspect(pos)
+ if not asp then
+ asp = advtrains.interlocking.signal_get_real_aspect(pos)
+ set_supposed_aspect(pos)
+ end
+ return asp
+end
+
-- Returns the "supported_aspects" of the signal at position, as returned by the nodedef.
-- returns nil when there's no signal at the position
function advtrains.interlocking.signal_get_supported_aspects(pos)