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| author | orwell96 <orwell@bleipb.de> | 2017-01-02 18:54:24 +0100 |
|---|---|---|
| committer | orwell96 <orwell@bleipb.de> | 2017-01-02 18:54:24 +0100 |
| commit | cc6cf09ac83efa0bfaaecddb2a8fe49d136cca57 (patch) | |
| tree | af7686bbbea8982739c145b5f88dfe4f50948aeb /advtrains/tracks.lua | |
| parent | 79d0549c8af7eaa6ba97b8beaab52fb1012350f3 (diff) | |
| download | advtrains-cc6cf09ac83efa0bfaaecddb2a8fe49d136cca57.tar.gz advtrains-cc6cf09ac83efa0bfaaecddb2a8fe49d136cca57.tar.bz2 advtrains-cc6cf09ac83efa0bfaaecddb2a8fe49d136cca57.zip | |
make detector code clear entries of trains that do not exist
Diffstat (limited to 'advtrains/tracks.lua')
| -rw-r--r-- | advtrains/tracks.lua | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/advtrains/tracks.lua b/advtrains/tracks.lua index 87998e9..07883c5 100644 --- a/advtrains/tracks.lua +++ b/advtrains/tracks.lua @@ -387,26 +387,42 @@ advtrains.detector.clean_step_before = false function advtrains.detector.enter_node(pos, train_id)
local pts = minetest.pos_to_string(advtrains.round_vector_floor_y(pos))
print("enterNode "..pts.." "..sid(train_id))
- if not advtrains.detector.on_node[pts] then
- advtrains.detector.on_node[pts]=train_id
- if advtrains.detector.on_node_restore[pts] then
- advtrains.detector.on_node_restore[pts]=nil
+ if advtrains.detector.on_node[pts] then
+ if advtrains.trains[advtrains.detector.on_node[pts]] then
+ print(""..pts.." already occupied")
+ return false
else
- advtrains.detector.call_enter_callback(advtrains.round_vector_floor_y(pos), train_id)
+ advtrains.detector.leave_node(pos, advtrains.detector.on_node[pts])
end
+ end
+ advtrains.detector.on_node[pts]=train_id
+ if advtrains.detector.on_node_restore[pts] then
+ advtrains.detector.on_node_restore[pts]=nil
else
- print(""..pts.." already occupied")
+ advtrains.detector.call_enter_callback(advtrains.round_vector_floor_y(pos), train_id)
end
+ return true
end
function advtrains.detector.leave_node(pos, train_id)
local pts = minetest.pos_to_string(advtrains.round_vector_floor_y(pos))
print("leaveNode "..pts.." "..sid(train_id))
- if advtrains.detector.on_node[pts] and advtrains.detector.on_node[pts]==train_id then
+ if not advtrains.detector.on_node[pts] then
+ print(""..pts.." leave: nothing here")
+ return false
+ end
+ if advtrains.detector.on_node[pts]==train_id then
advtrains.detector.call_leave_callback(advtrains.round_vector_floor_y(pos), train_id)
advtrains.detector.on_node[pts]=nil
else
- print(""..pts.." occupied by another train")
+ if advtrains.trains[advtrains.detector.on_node[pts]] then
+ print(""..pts.." occupied by another train")
+ return false
+ else
+ advtrains.detector.leave_node(pos, advtrains.detector.on_node[pts])
+ return false
+ end
end
+ return true
end
--called immediately before invalidating paths
function advtrains.detector.setup_restore()
|