Add Asset interface to create an arbitrarily placed instance

InstanceProxy is returned out via a std::any containing a
std::shared_ptr because any can only contain copyable things.

2 files changed, 11 insertions, 0 deletions

diff --git a/assetFactory/asset.cpp b/assetFactory/asset.cpp
index e3f5feb..0254943 100644
--- a/assetFactory/asset.cpp
+++ b/assetFactory/asset.cpp
@@ -7,6 +7,12 @@ Asset::persist(Persistence::PersistenceStore & store)
 	return STORE_MEMBER(id) && STORE_MEMBER(name);
 }
 
+std::any
+Asset::createAt(const Location &) const
+{
+	return {};
+}
+
 Asset::TexturePtr
 Asset::getTexture() const
 {
diff --git a/assetFactory/asset.h b/assetFactory/asset.h
index b5de056..061a7c8 100644
--- a/assetFactory/asset.h
+++ b/assetFactory/asset.h
@@ -2,17 +2,22 @@
 
 #include "factoryMesh.h"
 #include "persistence.h"
+#include <any>
 #include <manyPtr.h>
 #include <stdTypeDefs.h>
 
 class TextureAtlas;
 class Renderable;
+class Location;
 
 class Asset : public Persistence::Persistable, public StdTypeDefs<Asset> {
 public:
 	using ManyPtr = ManySharedPtr<Asset, const Renderable>;
 	using TexturePtr = std::shared_ptr<TextureAtlas>;
 
+	/// Used only for the asset viewer
+	[[nodiscard]] virtual std::any createAt(const Location &) const;
+
 	std::string id;
 	std::string name;