feat: add --force-try-crdt to try to download main crdts from optimiz…

…ed database

godot/src/logic/scene_fetcher.gd

@@ -21,6 +21,7 @@ const EMPTY_SCENES = [
 ]
 
 const ADAPTATION_LAYER_URL: String = "https://renderer-artifacts.decentraland.org/sdk6-adaption-layer/main/index.min.js"
+const CRDT_DATABASE_BASE_URL: String = "https://psquad.kuruk.net/localstack/crdts/"
 const FIXED_LOCAL_ADAPTATION_LAYER: String = ""
 
 
@@ -57,6 +58,9 @@ var _debugging_js_scene_id: String = ""
 
 var _bypass_loading_check: bool = false
 
+# try optimized main crdt
+var _force_try_crdt = OS.get_cmdline_args().has("--force-try-crdt")
+
 
 func _ready():
 	Global.realm.realm_changed.connect(self._on_realm_changed)
@@ -377,6 +381,20 @@ func async_load_scene(
 			)
 			return PromiseUtils.resolved(false)
 
+	# try optimized main crdt
+	if _force_try_crdt:
+		var main_crdt_hash = scene_entity_id + ".crdt"
+		var url = CRDT_DATABASE_BASE_URL + main_crdt_hash
+		var promise: Promise = Global.content_provider.fetch_file_by_url(main_crdt_hash, url)
+
+		var res = await PromiseUtils.async_awaiter(promise)
+		if res is PromiseError:
+			prints("No CRDT found in the optimized database url =", url)
+		else:
+			prints("CRDT found in the optimized database! url =", url)
+			main_crdt_file_hash = main_crdt_hash
+			local_main_crdt_path = "user://content/" + main_crdt_file_hash
+
 	# the scene was removed while it was loading...
 	if not loaded_scenes.has(scene_entity_id):
 		printerr("the scene was removed while was loading ", scene_entity_id)