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fix: unguarded future::get() crashed on render/floor-query worker exceptions

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std::future::get() re-throws any exception from the async task. The 6
call sites in the render pipeline (terrain/WMO/M2 workers + animation
worker) and 2 floor-query sites in camera_controller were unguarded,
so a single bad_alloc in any worker would terminate the process with
no recovery. Now wrapped in try-catch with error logging.
This commit is contained in:
Kelsi 2026-03-29 21:26:01 -07:00
parent 74cc048767
commit 3dd1128ecf
2 changed files with 20 additions and 12 deletions
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15
src/rendering/renderer.cpp
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@ -3538,7 +3538,8 @@ void Renderer::update(float deltaTime) {
// Wait for M2 doodad animation to finish (was launched earlier in parallel with character anim)
if (m2AnimLaunched) {
m2AnimFuture.get();
try { m2AnimFuture.get(); }
catch (const std::exception& e) { LOG_ERROR("M2 animation worker: ", e.what()); }
}
// Helper: play zone music, dispatching local files (file: prefix) vs MPQ paths
@ -5576,9 +5577,15 @@ void Renderer::renderWorld(game::World* world, game::GameHandler* gameHandler) {
}
// --- Wait for workers ---
if (terrainFuture.valid()) lastTerrainRenderMs = terrainFuture.get();
if (wmoFuture.valid()) lastWMORenderMs = wmoFuture.get();
if (m2Future.valid()) lastM2RenderMs = m2Future.get();
// Guard with try-catch: future::get() re-throws any exception from the
// async task. Without this, a single bad_alloc in a render worker would
// propagate as an unhandled exception and terminate the process.
try { if (terrainFuture.valid()) lastTerrainRenderMs = terrainFuture.get(); }
catch (const std::exception& e) { LOG_ERROR("Terrain render worker: ", e.what()); }
try { if (wmoFuture.valid()) lastWMORenderMs = wmoFuture.get(); }
catch (const std::exception& e) { LOG_ERROR("WMO render worker: ", e.what()); }
try { if (m2Future.valid()) lastM2RenderMs = m2Future.get(); }
catch (const std::exception& e) { LOG_ERROR("M2 render worker: ", e.what()); }
// --- Main thread: record post-opaque (SEC_POST) ---
{