refactor extract chunk picker systems

solanaceae/ngc_ft1_sha1/chunk_picker_systems.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <solanaceae/contact/contact_model3.hpp>
+#include <solanaceae/object_store/object_store.hpp>
+#include <solanaceae/tox_contacts/components.hpp>
+#include <solanaceae/ngc_ft1/ngcft1.hpp>
+
+#include "./receiving_transfers.hpp"
+
+namespace Systems {
+
+void chunk_picker_updates(
+	Contact3Registry& cr,
+	ObjectRegistry& os_reg,
+	const entt::dense_map<Contact3, size_t>& peer_open_requests,
+	const ReceivingTransfers& receiving_transfers,
+	NGCFT1& nft, // TODO: remove this somehow
+	const float delta
+);
+
+} // Systems
+