Files
WoWee/include
Kelsi 8f0d2cc4ab terrain: pre-load bind point tiles during Hearthstone cast
When the player starts casting Hearthstone (spell IDs 6948/8690),
trigger background terrain loading at the bind point so tiles are
ready when the teleport fires.

- Add HearthstonePreloadCallback to GameHandler, called from
  handleSpellStart when a Hearthstone cast begins.
- Application callback enqueues a 5×5 tile grid around the bind
  point via precacheTiles() (same-map) or starts a file-cache warm
  via startWorldPreload() (cross-map) during the ~10 s cast time.
- On same-map teleport arrival, call processAllReadyTiles() to
  GPU-upload any tiles that finished parsing during the cast before
  the first frame at the new position.

Fixes: player landing in unloaded terrain and falling after Hearthstone.
2026-03-09 21:57:42 -07:00
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