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-rw-r--r--advtrains_luaautomation/README.md6
-rw-r--r--advtrains_luaautomation/atc_rail.lua6
2 files changed, 7 insertions, 5 deletions
diff --git a/advtrains_luaautomation/README.md b/advtrains_luaautomation/README.md
index a885075..0bf56bb 100644
--- a/advtrains_luaautomation/README.md
+++ b/advtrains_luaautomation/README.md
@@ -274,9 +274,11 @@ Each wagon has a current FC, indicating its next destination.
Command: `get_fc()`
Result: `{"", "foo!bar", "testing", "fc_1!fc_2!fc_3!?", "hello_world"}`
- - `set_fc(fc_list)`
+ - `set_fc(fc_list, reset_index)`
Overwrites the FC list according to a table `fc_list`. A false or nil entry will leave the wagon unaffected, however all others will be overwritten.
- Useful for mass-programming freight trains that use FC-shunting instead of walking to each wagon individually.
+ Useful for mass-programming freight trains that use FC-shunting instead of walking to each wagon individually. If the new FC entry for a wagon is shorter than the old entry, the index will clip to the last FC in the new entry.
+ If `reset_index` is true, all Current FC values will reset to the first entry in the list, instead of remaining at the current index.
+
Example: train has FC lists: `"", "foo!bar", "testing", "fc_1!fc_2!fc_3!?", "hello_world"`
Command: `set_fc({"", "foo!turtle", nil, "4tehlulz", false})`
Result: `""` `"foo!turtle"` `"testing"` `"4tehlulz"` `"hello_world"`
diff --git a/advtrains_luaautomation/atc_rail.lua b/advtrains_luaautomation/atc_rail.lua
index ead1031..b98648e 100644
--- a/advtrains_luaautomation/atc_rail.lua
+++ b/advtrains_luaautomation/atc_rail.lua
@@ -99,7 +99,7 @@ function r.fire_event(pos, evtdata, appr_internal)
end
return fc_list
end,
- set_fc = function(fc_list)
+ set_fc = function(fc_list,reset_index)
assertt(fc_list, "table")
if not train_id then return false end
-- safety type-check for entered values
@@ -113,9 +113,9 @@ function r.fire_event(pos, evtdata, appr_internal)
if fc_list[index] then -- has FC to enter to this wagon
local data = advtrains.wagons[wagon_id]
if data then -- wagon actually exists
- --direct copy from wagons.lua, allowing for the :split function
+ --effectively copyied from wagons.lua, allowing for the :split function and reset_index
data.fc = fc_list[index]:split("!")
- if not data.fcind then
+ if reset_index or not data.fcind then
data.fcind = 1
elseif data.fcind > #data.fc then
data.fcind = #data.fc