phaneron/Kelsidavis-WoWee
1
0
Fork 0
mirror of https://github.com/Kelsidavis/WoWee.git synced 2026-03-27 01:00:13 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Trust the floor cache if it is close too foot level

Browse source
This commit is contained in:
Kelsi 2026-02-08 18:25:43 -08:00
parent 22c4d033cf
commit 6880ca9ce6
1 changed files with 6 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

11
src/rendering/wmo_renderer.cpp
View file

@ -1748,12 +1748,13 @@ std::optional<float> WMORenderer::getFloorHeight(float glX, float glY, float glZ
auto gridIt = precomputedFloorGrid.find(gridKey);
if (gridIt != precomputedFloorGrid.end()) {
float cachedHeight = gridIt->second;
// Only use cache if floor is close to query point (within ~4 units below).
// For multi-story buildings, the cache has the top floor - if we're on a
// lower floor, skip cache and do full raycast to find actual floor.
if (cachedHeight <= glZ + 2.0f && cachedHeight >= glZ - 4.0f) {
// Only trust cache if it's basically at foot level.
// Prevent ledges/shoulder ramps from being treated as "floor".
constexpr float CACHE_ABOVE = 0.35f; // tune: 0.25–0.60
constexpr float CACHE_BELOW = 4.0f; // keep generous below
if (cachedHeight <= glZ + CACHE_ABOVE && cachedHeight >= glZ - CACHE_BELOW) {
// Persistent cache doesn't store normal — report as flat
if (outNormalZ) *outNormalZ = 1.0f;
if (outNormalZ) *outNormalZ = 0.8f; // conservative "walkable-ish"
frameFloorCache_.put(glX, glY, cachedHeight, 1.0f, currentFrameId);
return cachedHeight;
}