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fix(npc): scrub NaN/inf floats at save time

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nlohmann::json throws on non-finite serialization, which would
abort the entire creatures.json save and lose every spawn change
in the session. Scrub position/orientation/scale/radii/patrol
floats on the way out so a single corrupt NPC can't kill the
batch save.
This commit is contained in:
Kelsi 2026-05-06 07:03:51 -07:00
parent 9ef04414d1
commit 999388b805
1 changed files with 12 additions and 7 deletions
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19
tools/editor/npc_spawner.cpp
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@ -59,6 +59,10 @@ bool NpcSpawner::saveToFile(const std::string& path) const {
auto dir = std::filesystem::path(path).parent_path();
if (!dir.empty()) std::filesystem::create_directories(dir);
// nlohmann::json throws on NaN/inf serialization. Scrub on the way
// out so a stale in-memory state can't take down the whole save.
auto san = [](float x) { return std::isfinite(x) ? x : 0.0f; };
auto sanPos = [&](float x, float def) { return std::isfinite(x) ? x : def; };
nlohmann::json arr = nlohmann::json::array();
for (const auto& s : spawns_) {
nlohmann::json js;
@ -66,9 +70,9 @@ bool NpcSpawner::saveToFile(const std::string& path) const {
js["name"] = s.name;
js["model"] = s.modelPath;
js["displayId"] = s.displayId;
js["position"] = {s.position.x, s.position.y, s.position.z};
js["orientation"] = s.orientation;
js["scale"] = s.scale;
js["position"] = {san(s.position.x), san(s.position.y), san(s.position.z)};
js["orientation"] = san(s.orientation);
js["scale"] = sanPos(s.scale, 1.0f);
js["level"] = s.level;
js["health"] = s.health;
js["mana"] = s.mana;
@ -77,9 +81,9 @@ bool NpcSpawner::saveToFile(const std::string& path) const {
js["armor"] = s.armor;
js["faction"] = s.faction;
js["behavior"] = static_cast<int>(s.behavior);
js["wanderRadius"] = s.wanderRadius;
js["aggroRadius"] = s.aggroRadius;
js["leashRadius"] = s.leashRadius;
js["wanderRadius"] = san(s.wanderRadius);
js["aggroRadius"] = san(s.aggroRadius);
js["leashRadius"] = san(s.leashRadius);
js["respawnTimeMs"] = s.respawnTimeMs;
js["hostile"] = s.hostile;
js["questgiver"] = s.questgiver;
@ -93,7 +97,8 @@ bool NpcSpawner::saveToFile(const std::string& path) const {
nlohmann::json patrol = nlohmann::json::array();
for (const auto& p : s.patrolPath) {
patrol.push_back({p.position.x, p.position.y, p.position.z, p.waitTimeMs});
patrol.push_back({san(p.position.x), san(p.position.y),
san(p.position.z), sanPos(p.waitTimeMs, 2000.0f)});
}
js["patrol"] = patrol;
arr.push_back(js);