From ed7c2a6a73f24f97a0f04c2e6be6862ffe54b585 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Tue, 21 Feb 2023 01:25:34 +0000
Subject: Support for loading objects, uses and model factories from an XML
 resource

---
 assetFactory/object.cpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'assetFactory/object.cpp')

diff --git a/assetFactory/object.cpp b/assetFactory/object.cpp
index 8b70676..faa9a17 100644
--- a/assetFactory/object.cpp
+++ b/assetFactory/object.cpp
@@ -15,3 +15,25 @@ Object::createMesh(ModelFactoryMesh & mesh, const Mutation::Matrix & mutation) c
 	}
 	return faces;
 }
+
+template<typename Container, typename Type> struct Appender : public Persistence::SelectionT<std::shared_ptr<Type>> {
+	Appender(Container & c) : Persistence::SelectionT<std::shared_ptr<Type>> {s}, container {c} { }
+	using Persistence::SelectionT<std::shared_ptr<Type>>::SelectionT;
+	void
+	endObject(Persistence::Stack & stk) override
+	{
+		container.emplace_back(s);
+		stk.pop();
+	}
+
+private:
+	std::shared_ptr<Type> s;
+	Container & container;
+};
+
+bool
+Object::persist(Persistence::PersistenceStore & store)
+{
+	using UseAppend = Appender<Use::Collection, Use>;
+	return STORE_TYPE && STORE_MEMBER(id) && STORE_NAME_HELPER("use", uses, UseAppend);
+}
-- 
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