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fix: world map exploration fallback when server mask is unavailable

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When the server has not sent SMSG_INIT_WORLD_STATES or the mask is
empty, fall back to locally-accumulated explored zones tracked by
player position. The local set is cleared when a real server mask
arrives so it doesn't persist stale data.
This commit is contained in:
Kelsi 2026-03-10 22:27:00 -07:00
parent 6928b8ddf6
commit 00a939a733
2 changed files with 16 additions and 4 deletions
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2
include/rendering/world_map.hpp
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@ -117,6 +117,8 @@ private:
std::vector<uint32_t> serverExplorationMask;
bool hasServerExplorationMask = false;
std::unordered_set<int> exploredZones;
// Locally accumulated exploration (used as fallback when server mask is unavailable)
std::unordered_set<int> locallyExploredZones_;
};
} // namespace rendering

18
src/rendering/world_map.cpp
View file

@ -233,6 +233,10 @@ void WorldMap::setMapName(const std::string& name) {
void WorldMap::setServerExplorationMask(const std::vector<uint32_t>& masks, bool hasData) {
if (!hasData || masks.empty()) {
// New session or no data yet — reset both server mask and local accumulation
if (hasServerExplorationMask) {
locallyExploredZones_.clear();
}
hasServerExplorationMask = false;
serverExplorationMask.clear();
return;
@ -765,9 +769,12 @@ void WorldMap::updateExploration(const glm::vec3& playerRenderPos) {
}
if (markedAny) return;
// Server mask unavailable or empty — fall back to locally-accumulated position tracking.
// Add the zone the player is currently in to the local set and display that.
float wowX = playerRenderPos.y;
float wowY = playerRenderPos.x;
bool foundPos = false;
for (int i = 0; i < static_cast<int>(zones.size()); i++) {
const auto& z = zones[i];
if (z.areaID == 0) continue;
@ -775,15 +782,18 @@ void WorldMap::updateExploration(const glm::vec3& playerRenderPos) {
float minY = std::min(z.locTop, z.locBottom), maxY = std::max(z.locTop, z.locBottom);
if (maxX - minX < 0.001f || maxY - minY < 0.001f) continue;
if (wowX >= minX && wowX <= maxX && wowY >= minY && wowY <= maxY) {
exploredZones.insert(i);
markedAny = true;
locallyExploredZones_.insert(i);
foundPos = true;
}
}
if (!markedAny) {
if (!foundPos) {
int zoneIdx = findZoneForPlayer(playerRenderPos);
if (zoneIdx >= 0) exploredZones.insert(zoneIdx);
if (zoneIdx >= 0) locallyExploredZones_.insert(zoneIdx);
}
// Display the accumulated local set
exploredZones = locallyExploredZones_;
}
void WorldMap::zoomIn(const glm::vec3& playerRenderPos) {