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-rw-r--r--advtrains/helpers.lua6
-rw-r--r--advtrains/init.lua2
-rw-r--r--advtrains/path.lua16
-rw-r--r--advtrains/trainlogic.lua24
4 files changed, 44 insertions, 4 deletions
diff --git a/advtrains/helpers.lua b/advtrains/helpers.lua
index e04991e..782a5c5 100644
--- a/advtrains/helpers.lua
+++ b/advtrains/helpers.lua
@@ -291,8 +291,9 @@ function advtrains.conn_matches_to(conn, other_conns)
return false
end
-
+-- Going from the rail at pos (does not need to be rounded) along connection with id conn_idx, if there is a matching rail, return it and the matching connid
-- returns: <adjacent pos>, <conn index of adjacent>, <my conn index>, <railheight of adjacent>
+-- parameter this_conns_p is connection table of this rail and is optional, is determined by get_rail_info_at if not provided.
function advtrains.get_adjacent_rail(this_posnr, this_conns_p, conn_idx, drives_on)
local this_pos = advtrains.round_vector_floor_y(this_posnr)
local this_conns = this_conns_p
@@ -332,6 +333,9 @@ function advtrains.get_adjacent_rail(this_posnr, this_conns_p, conn_idx, drives_
return nil
end
+-- when a train enters a rail on connid 'conn', which connid will it go out?
+-- nconns: number of connections in connection table
+-- returns: connid_out
local connlku={[2]={2,1}, [3]={2,1,1}, [4]={2,1,4,3}}
function advtrains.get_matching_conn(conn, nconns)
return connlku[nconns][conn]
diff --git a/advtrains/init.lua b/advtrains/init.lua
index 99e81ed..bdb0bf9 100644
--- a/advtrains/init.lua
+++ b/advtrains/init.lua
@@ -392,7 +392,7 @@ advtrains.avt_save = function(remove_players_from_wagons)
"trainparts", "recently_collided_with_env",
"atc_brake_target", "atc_wait_finish", "atc_command", "atc_delay", "door_open",
"text_outside", "text_inside", "line", "routingcode",
- "il_sections", "speed_restriction", "is_shunt",
+ "il_sections", "speed_restriction", "is_shunt", "points_split",
})
--then save it
tmp_trains[id]=v
diff --git a/advtrains/path.lua b/advtrains/path.lua
index ff034c9..b132e92 100644
--- a/advtrains/path.lua
+++ b/advtrains/path.lua
@@ -178,9 +178,15 @@ function advtrains.path_get(train, index)
if adj_pos then
advtrains.occ.set_item(train.id, adj_pos, pef)
+ -- If we have split points, notify accordingly
+ local mconnid = advtrains.get_matching_conn(adj_connid, #next_conns)
+ if #next_conns==3 and adj_connid==1 and train.points_split and train.points_split[advtrains.encode_pos(adj_pos)] then
+ --atdebug(id,"has split points restored at",adj_pos)
+ mconnid = 3
+ end
+
adj_pos.y = adj_pos.y + nextrail_y
train.path_cp[pef] = adj_connid
- local mconnid = advtrains.get_matching_conn(adj_connid, #next_conns)
train.path_cn[pef] = mconnid
train.path_dir[pef] = advtrains.conn_angle_median(next_conns[adj_connid].c, next_conns[mconnid].c)
train.path_trk_f = pef
@@ -211,9 +217,15 @@ function advtrains.path_get(train, index)
if adj_pos then
advtrains.occ.set_item(train.id, adj_pos, peb)
+ -- If we have split points, notify accordingly
+ local mconnid = advtrains.get_matching_conn(adj_connid, #next_conns)
+ if #next_conns==3 and adj_connid==1 and train.points_split and train.points_split[advtrains.encode_pos(adj_pos)] then
+ atdebug(id,"has split points restored at",adj_pos)
+ mconnid = 3
+ end
+
adj_pos.y = adj_pos.y + nextrail_y
train.path_cn[peb] = adj_connid
- local mconnid = advtrains.get_matching_conn(adj_connid, #next_conns)
train.path_cp[peb] = mconnid
train.path_dir[peb] = advtrains.conn_angle_median(next_conns[mconnid].c, next_conns[adj_connid].c)
train.path_trk_b = peb
diff --git a/advtrains/trainlogic.lua b/advtrains/trainlogic.lua
index 6198c18..1ae96bd 100644
--- a/advtrains/trainlogic.lua
+++ b/advtrains/trainlogic.lua
@@ -627,6 +627,16 @@ local function tnc_call_enter_callback(pos, train_id, train, index)
-- call other registered callbacks
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)
+ end
end
local function tnc_call_leave_callback(pos, train_id, train, index)
--atdebug("tnc leave",pos,train_id)
@@ -638,6 +648,20 @@ local function tnc_call_leave_callback(pos, train_id, train, index)
-- call other registered callbacks
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
+ end
+ -- WARNING possibly unreachable place!
end
function advtrains.tnc_call_approach_callback(pos, train_id, train, index, lzbdata)