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feat(wob): extract portals from WMO during conversion

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WoweeBuildingLoader::fromWMO previously left the portals array empty,
losing portal/PVS data essential for indoor visibility culling. Now reads
the WMO portal vertex polygons and pairs them with their two adjacent
groups via MOPR refs, populating WoweeBuilding::Portal fully.
This commit is contained in:
Kelsi 2026-05-06 01:20:29 -07:00
parent f39869ef6a
commit 6f88eb270a
1 changed files with 22 additions and 0 deletions
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22
src/pipeline/wowee_building.cpp
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@ -276,6 +276,28 @@ WoweeBuilding WoweeBuildingLoader::fromWMO(const WMOModel& wmo, const std::strin
bld.boundRadius = maxDist;
// Extract portals (vertex polygons + group links via MOPR refs).
// Each MOPR ref links a portal to one of its two adjacent groups; pairing
// refs with the same portalIndex gives us groupA/groupB for that portal.
for (size_t pi = 0; pi < wmo.portals.size(); pi++) {
const auto& wmoPortal = wmo.portals[pi];
WoweeBuilding::Portal wp;
wp.groupA = -1;
wp.groupB = -1;
for (const auto& ref : wmo.portalRefs) {
if (ref.portalIndex != static_cast<uint16_t>(pi)) continue;
if (wp.groupA < 0) wp.groupA = ref.groupIndex;
else if (wp.groupB < 0) wp.groupB = ref.groupIndex;
}
for (uint16_t vi = 0; vi < wmoPortal.vertexCount; vi++) {
uint32_t idx = wmoPortal.startVertex + vi;
if (idx < wmo.portalVertices.size()) {
wp.vertices.push_back(wmo.portalVertices[idx]);
}
}
if (!wp.vertices.empty()) bld.portals.push_back(std::move(wp));
}
for (const auto& doodad : wmo.doodads) {
auto nameIt = wmo.doodadNames.find(doodad.nameIndex);
if (nameIt == wmo.doodadNames.end()) continue;