Limit the number of items per exhibit on web and mobile platforms

scenes/TiledExhibitGenerator.gd

@@ -218,6 +218,8 @@ func add_room():
   if len(_next_room_candidates) == 0:
     push_error("no room candidate to create")
     return
+  if _item_slots.size() > Util.get_max_slots_per_exhibit():
+    return
 
   var idx = _rng.randi() % len(_next_room_candidates)
   var room = _next_room_candidates.pop_at(idx)

scenes/util/ExhibitFetcher.gd

@@ -10,7 +10,6 @@ signal commons_images_complete(category, context)
 
 const MAX_BATCH_SIZE = 50
 const REQUEST_DELAY_MS = 1000
-const COMMONS_IMAGE_LIMIT = 2500
 
 # TODO: wikimedia support, and category support
 const WIKIMEDIA_COMMONS_PREFIX = "https://commons.wikimedia.org/wiki/"
@@ -469,7 +468,7 @@ func _on_commons_images_request_complete(res, ctx, caller_ctx):
     call_deferred("emit_signal", "commons_images_complete", file_batch, caller_ctx)
 
   # handle continues
-  if res.has("continue") and len(get_result(ctx.category).images) <= COMMONS_IMAGE_LIMIT:
+  if res.has("continue") and len(get_result(ctx.category).images) <= Util.get_max_slots_per_exhibit():
     return _dispatch_continue(res.continue, _get_commons_url(ctx.category), ctx.category, ctx, caller_ctx)
   else:
     _cache_all([ctx.category], WIKIMEDIA_COMMONS_PREFIX)

scenes/util/Util.gd

@@ -51,6 +51,9 @@ func is_xr():
 func is_web():
   return OS.get_name() == "Web"
 
+func is_mobile():
+  return OS.has_feature("mobile")
+
 func is_using_threads():
   return OS.has_feature("threads")
 
@@ -60,6 +63,10 @@ func is_compatibility_renderer():
 func is_meta_quest():
   return OS.has_feature("meta_quest")
 
+func get_max_slots_per_exhibit() -> int:
+  # @todo Should this be a setting?
+  return 200 if (is_mobile() or is_web()) else 2500
+
 func delay_msec(msecs):
   # Will only delay if we're not on the main thread.
   if OS.get_thread_caller_id() == OS.get_main_thread_id():