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-rw-r--r--advtrains/trainlogic.lua71
1 files changed, 40 insertions, 31 deletions
diff --git a/advtrains/trainlogic.lua b/advtrains/trainlogic.lua
index a0fdaa1..cb1f9a6 100644
--- a/advtrains/trainlogic.lua
+++ b/advtrains/trainlogic.lua
@@ -280,10 +280,12 @@ function advtrains.train_ensure_init(id, train)
assertdef(train, "velocity", 0)
--assertdef(train, "tarvelocity", 0)
assertdef(train, "acceleration", 0)
- assertdef(train, "id", id)
-
+ if train.id ~= id then
+ train.id = id
+ end
+ assertdef(train, "path_ori_cp", {})
- if not train.drives_on or not train.max_speed then
+ if not train.max_speed then
--atprint("in ensure_init: missing properties, updating!")
advtrains.update_trainpart_properties(id)
end
@@ -861,13 +863,10 @@ local function tnc_call_enter_callback(pos, train_id, train, index)
run_callbacks_enter_node(pos, train_id, train, index)
-- check for split points
- if mregnode and mregnode.at_conns and #mregnode.at_conns == 3 and train.path_cp[index] == 3 then
- -- train came from connection 3 of a switch, so it split points.
- if not train.points_split then
- train.points_split = {}
- end
- train.points_split[advtrains.encode_pos(pos)] = true
- --atdebug(train_id,"split points at",pos)
+ if mregnode and mregnode.at_conn_map then
+ -- If this node has >2 conns (and a connmap), remember the connection where we came from to handle split points
+ atdebug("Train",train_id,"at",pos,"saving turnout origin CP",train.path_cp[index],"for path item",index)
+ train.path_ori_cp[advtrains.encode_pos(pos)] = train.path_cp[index]
end
end
local function tnc_call_leave_callback(pos, train_id, train, index)
@@ -882,18 +881,11 @@ local function tnc_call_leave_callback(pos, train_id, train, index)
run_callbacks_leave_node(pos, train_id, train, index)
-- split points do not matter anymore. clear them
- if train.points_split then
- if train.points_split[advtrains.encode_pos(pos)] then
- train.points_split[advtrains.encode_pos(pos)] = nil
- --atdebug(train_id,"has passed split points at",pos)
- end
- -- any entries left?
- for _,_ in pairs(train.points_split) do
- return
- end
- train.points_split = nil
+ if mregnode and mregnode.at_conn_map then
+ -- If this node has >2 conns (and a connmap), remember the connection where we came from to handle split points
+ atdebug("Train",train_id,"at",pos,"removing turnout origin CP for path item",index," because train has left it")
+ train.path_ori_cp[advtrains.encode_pos(pos)] = nil
end
- -- WARNING possibly unreachable place!
end
function advtrains.tnc_call_approach_callback(pos, train_id, train, index, lzbdata)
@@ -1034,10 +1026,9 @@ end
-- Note: safe_decouple_wagon() has been moved to wagons.lua
--- this function sets wagon's pos_in_train(parts) properties and train's max_speed and drives_on (and more)
+-- this function sets wagon's pos_in_train(parts) properties and train's max_speed (and more)
function advtrains.update_trainpart_properties(train_id, invert_flipstate)
local train=advtrains.trains[train_id]
- train.drives_on=advtrains.merge_tables(advtrains.all_tracktypes)
--FIX: deep-copy the table!!!
train.max_speed=20
train.extent_h = 0;
@@ -1053,7 +1044,16 @@ function advtrains.update_trainpart_properties(train_id, invert_flipstate)
if data then
local wagon = advtrains.wagon_prototypes[data.type or data.entity_name]
if not wagon then
- atwarn("Wagon '",data.type,"' couldn't be found. Please check that all required modules are loaded!")
+ local ent = advtrains.wagon_objects[w_id]
+ local pdesc
+ if ent then
+ pdesc = "at " .. minetest.pos_to_string(ent:get_pos())
+ elseif train.last_pos then
+ pdesc = "near " .. minetest.pos_to_string(train.last_pos)
+ else
+ pdesc = "at an unknown location"
+ end
+ atwarn(string.format("Wagon %q %s could not be found. Please check that all required modules are loaded!", data.type, pdesc))
wagon = advtrains.wagon_prototypes["advtrains:wagon_placeholder"]
end
@@ -1070,13 +1070,6 @@ function advtrains.update_trainpart_properties(train_id, invert_flipstate)
end
rel_pos=rel_pos+wagon.wagon_span
- if wagon.drives_on then
- for k,_ in pairs(train.drives_on) do
- if not wagon.drives_on[k] then
- train.drives_on[k]=nil
- end
- end
- end
train.max_speed=math.min(train.max_speed, wagon.max_speed)
train.extent_h = math.max(train.extent_h, wagon.extent_h or 1);
end
@@ -1188,8 +1181,24 @@ function advtrains.invert_train(train_id)
return
end
+ -- Before flipping the train, we must check if there are any points on the path
+ -- which will become split on rotating, and store their cn (which will become the cp)
+ local ori_cp_after_flip = {}
+ for index = atround(train.end_index),atround(train.index) do
+ local pos = advtrains.path_get(train, index)
+ local ok, conns, railheight, connmap = advtrains.get_rail_info_at(pos)
+ if ok and connmap then
+ atdebug("Reversing Train",train.id," ori_cp Checks: at",pos,"saving turnout origin CP",train.path_cn[index],"for path item",index)
+ ori_cp_after_flip[advtrains.encode_pos(pos)] = train.path_cn[index]
+ end
+ end
+
+ -- Actual rotation happens here! This sets the path restore position to the end of the train, inverting the connid.
advtrains.path_setrestore(train, true)
+ -- clear the origin cp list because it is now invalid, and replace it by what we built prior.
+ train.path_ori_cp = ori_cp_after_flip
+
-- rotate some other stuff
if train.door_open then
train.door_open = - train.door_open