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feat(Core/Travel): Sparse-segment clip in LaunchWalkSpline

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bash 2026-05-17 01:29:28 +02:00
parent 13dba79982
commit 6cf10c5057
1 changed files with 23 additions and 0 deletions
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23
src/Ai/Base/Actions/MovementActions.cpp
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@ -3142,6 +3142,29 @@ bool MovementAction::LaunchWalkSpline(TravelPlan& state)
return true;
}
// Sparse-segment clip (cmangos parity): truncate the chain at the
// first segment longer than ~11.18y. Spline interpolation between
// sparse waypoints can cut corners through visual obstacles (trees,
// walls) the navmesh routed around. Bot re-plans from a closer
// position next tick where the resolved poly chain is denser.
{
constexpr float SPARSE_SEG_SQ = 125.0f; // sqrt(125) ≈ 11.18y
for (size_t i = 1; i < state.walkPoints.size(); ++i)
{
G3D::Vector3 d = state.walkPoints[i] - state.walkPoints[i - 1];
if (d.squaredLength() > SPARSE_SEG_SQ)
{
state.walkPoints.resize(i);
break;
}
}
if (state.walkPoints.size() < 2)
{
state.walkPoints.clear();
return true;
}
}
// Re-clamp cached waypoints to current valid Z. Rows in
// playerbots_travelnode_path store absolute coords baked at
// offline generation; if the live navmesh has shifted since