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Optimize path finalization in pathfinder (#8100)

The pathfinder needs quite a bunch of items to add to the
resulting list. It turns out the amount of the space needed
for the finalized path is known in advance so preallocate it
to avoid a burst of reallocation calls each time something
needs to look for a path.
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osjc authored and nerzhul committed Jan 12, 2019
1 parent 03cc93f commit 5a00b118959941722de977f2452f1e656c75304e
Showing with 1 addition and 0 deletions.
  1. +1 −0 src/pathfinder.cpp
@@ -707,6 +707,7 @@ std::vector<v3s16> Pathfinder::getPath(ServerEnvironment *env,

//finalize path
std::vector<v3s16> full_path;
for (const v3s16 &i : path) {

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