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Fix taxi mount orientation and eliminate tile loading hitches

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Fixes two critical taxi flight issues:

1. Mount orientation now correctly faces flight direction:
   - Prevent camera controller from updating facingYaw during taxi (externalFollow_ check)
   - Taxi orientation callback system updates mount rotation from spline tangent
   - Initial orientation set when flight starts
   - Smooth Catmull-Rom spline interpolation for natural curved paths

2. Eliminate frame hitches from tile loading during flight:
   - New taxiFlightStartCallback uploads ALL precached tiles to GPU before flight begins
   - Previously tiles loaded async during 3s mount delay but uploaded 1/frame during flight
   - Now processAllReadyTiles() blocks briefly after mount delay to batch upload everything
   - Combined with 2.0s terrain update interval and aggressive culling for smooth flight

Additional optimizations:
   - Aggressive taxi culling: skip models <15 units, all foliage/trees, underwater objects
   - Max render distance reduced to 150 units during taxi
   - Movement heartbeat packets disabled during taxi (server controls position)
   - Reduced taxi speed from 32 to 18 units/sec to prevent streaming overload
This commit is contained in:
Kelsi 2026-02-08 22:00:33 -08:00
parent 536b3cea48
commit 2e0a7e0039
7 changed files with 119 additions and 21 deletions
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25
src/core/application.cpp
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@ -420,10 +420,9 @@ void Application::update(float deltaTime) {
}
if (renderer && renderer->getTerrainManager()) {
renderer->getTerrainManager()->setStreamingEnabled(true);
// With 8GB tile cache, keep streaming active during taxi at moderate rate.
// Increase load radius to pre-cache tiles ahead of flight path.
// With 8GB tile cache and precaching, minimize streaming during taxi
if (onTaxi) {
renderer->getTerrainManager()->setUpdateInterval(0.3f);
renderer->getTerrainManager()->setUpdateInterval(2.0f); // Very infrequent updates - already precached
renderer->getTerrainManager()->setLoadRadius(2); // 5x5 grid for taxi (each tile ~533 yards)
} else {
// Ramp streaming back in after taxi to avoid end-of-flight hitches.
@ -466,7 +465,8 @@ void Application::update(float deltaTime) {
}
// Send movement heartbeat every 500ms (keeps server position in sync)
if (gameHandler && renderer) {
// Skip during taxi flights - server controls position
if (gameHandler && renderer && !onTaxi) {
movementHeartbeatTimer += deltaTime;
if (movementHeartbeatTimer >= 0.5f) {
movementHeartbeatTimer = 0.0f;
@ -718,6 +718,23 @@ void Application::setupUICallbacks() {
renderer->getTerrainManager()->precacheTiles(tilesToLoad);
});
// Taxi orientation callback - update mount rotation during flight
gameHandler->setTaxiOrientationCallback([this](float orientationRadians) {
if (renderer && renderer->getCameraController()) {
// Convert radians to degrees for camera controller
float yawDegrees = glm::degrees(orientationRadians);
renderer->getCameraController()->setFacingYaw(yawDegrees);
}
});
// Taxi flight start callback - upload all precached tiles to GPU before flight begins
gameHandler->setTaxiFlightStartCallback([this]() {
if (renderer && renderer->getTerrainManager()) {
LOG_INFO("Uploading all precached tiles to GPU before taxi flight...");
renderer->getTerrainManager()->processAllReadyTiles();
}
});
// Creature move callback (online mode) - update creature positions
gameHandler->setCreatureMoveCallback([this](uint64_t guid, float x, float y, float z, uint32_t durationMs) {
auto it = creatureInstances_.find(guid);