diff options
Diffstat (limited to 'advtrains/trainlogic.lua')
| -rw-r--r-- | advtrains/trainlogic.lua | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/advtrains/trainlogic.lua b/advtrains/trainlogic.lua index 523e51d..ce9ec8b 100644 --- a/advtrains/trainlogic.lua +++ b/advtrains/trainlogic.lua @@ -585,9 +585,9 @@ local function mknodecallback(name) table.insert(callt, func) end end - return callt, function(pos, id, train, index) + return callt, function(pos, id, train, index, paramx1, paramx2, paramx3) for _,f in ipairs(callt) do - f(pos, id, train, index) + f(pos, id, train, index, paramx1, paramx2, paramx3) end end end @@ -597,6 +597,14 @@ end local callbacks_enter_node, run_callbacks_enter_node = mknodecallback("enter") local callbacks_leave_node, run_callbacks_leave_node = mknodecallback("leave") +-- Node callback for approaching +-- Might be called multiple times, whenever path is recalculated +-- signature is function(pos, id, train, index, lzbdata) +-- lzbdata: arbitrary data (shared between all callbacks), deleted when LZB is restarted. +-- These callbacks are called in order of distance as train progresses along tracks, so lzbdata can be used to +-- keep track of a train's state once it passes this point +local callbacks_approach_node, run_callbacks_approach_node = mknodecallback("approach") + local function tnc_call_enter_callback(pos, train_id, train, index) --atdebug("tnc enter",pos,train_id) @@ -621,6 +629,18 @@ local function tnc_call_leave_callback(pos, train_id, train, index) run_callbacks_leave_node(pos, train_id, train, index) end +function advtrains.tnc_call_approach_callback(pos, train_id, train, index, lzbdata) + --atdebug("tnc approach",pos,train_id, lzbdata) + local node = advtrains.ndb.get_node(pos) --this spares the check if node is nil, it has a name in any case + local mregnode=minetest.registered_nodes[node.name] + if mregnode and mregnode.advtrains and mregnode.advtrains.on_train_approach then + mregnode.advtrains.on_train_approach(pos, train_id, train, index, lzbdata) + end + + -- call other registered callbacks + run_callbacks_approach_node(pos, train_id, train, index, lzbdata) +end + advtrains.te_register_on_new_path(function(id, train) train.tnc = { |