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perf: Add path height correction on world load (#1178)

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* Add path height correction on world load

* Increase height because Nexus Tower is tall

* Update height checker

- Only go up and down, do not deviate from the point you are on
- As a backup, use the nearestPoint on the nearestPoly, should detour be able to find one.
- Add a debug assert to fail the program should toReturn differ from nearestPoint[1].

Update dNavMesh.cpp

Update dNavMesh.cpp

* Fix if condition to actually return the value...

---------

Co-authored-by: Aaron Kimbrell <aronwk.aaron@gmail.com>
This commit is contained in:
David Markowitz
2023-08-12 07:20:00 -07:00
committed by GitHub
parent 0337449aa7
commit c26086aff5
4 changed files with 39 additions and 8 deletions
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25
dNavigation/dNavMesh.cpp
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@@ -10,6 +10,7 @@
#include "BinaryPathFinder.h"
#include "dZoneManager.h"
#include "DluAssert.h"
dNavMesh::dNavMesh(uint32_t zoneId) {
m_ZoneId = zoneId;
@@ -118,7 +119,7 @@ void dNavMesh::LoadNavmesh() {
m_NavMesh = mesh;
}
float dNavMesh::GetHeightAtPoint(const NiPoint3& location) {
float dNavMesh::GetHeightAtPoint(const NiPoint3& location, const float halfExtentsHeight) const {
if (m_NavMesh == nullptr) {
return location.y;
}
@@ -130,15 +131,27 @@ float dNavMesh::GetHeightAtPoint(const NiPoint3& location) {
pos[2] = location.z;
dtPolyRef nearestRef = 0;
float polyPickExt[3] = { 32.0f, 32.0f, 32.0f };
float polyPickExt[3] = { 0.0f, halfExtentsHeight, 0.0f };
float nearestPoint[3] = { 0.0f, 0.0f, 0.0f };
dtQueryFilter filter{};
m_NavQuery->findNearestPoly(pos, polyPickExt, &filter, &nearestRef, 0);
auto hasPoly = m_NavQuery->findNearestPoly(pos, polyPickExt, &filter, &nearestRef, nearestPoint);
m_NavQuery->getPolyHeight(nearestRef, pos, &toReturn);
if (toReturn == 0.0f) {
toReturn = location.y;
#ifdef _DEBUG
if (toReturn != 0.0f) {
DluAssert(toReturn == nearestPoint[1]);
}
#endif
if (toReturn == 0.0f) {
// If we were unable to get the poly height, but the query returned a success, just use the height of the nearest point.
// This is what seems to happen anyways and it is better than returning zero.
if (hasPoly == DT_SUCCESS) {
toReturn = nearestPoint[1];
} else {
toReturn = location.y;
}
}
// If we failed to even find a poly, do not change the height since we have no idea what it should be.
return toReturn;
}