1 files changed, 82 insertions, 0 deletions
diff --git a/src/openvic-simulation/interface/LoadBase.hpp b/src/openvic-simulation/interface/LoadBase.hpp
new file mode 100644
index 0000000..3ee7c83
--- /dev/null
+++ b/src/openvic-simulation/interface/LoadBase.hpp
@@ -0,0 +1,82 @@
+#pragma once
+
+#include "openvic-simulation/types/IdentifierRegistry.hpp"
+#include "openvic-simulation/utility/Getters.hpp"
+
+namespace OpenVic {
+
+	template<typename... _Context>
+	class LoadBase {
+	protected:
+		LoadBase() = default;
+
+		virtual bool _fill_key_map(NodeTools::key_map_t&, _Context...) = 0;
+
+	public:
+		LoadBase(LoadBase&&) = default;
+		virtual ~LoadBase() = default;
+
+		bool load(ast::NodeCPtr node, _Context... context) {
+			NodeTools::key_map_t key_map;
+			bool ret = _fill_key_map(key_map, context...);
+			ret &= NodeTools::expect_dictionary_key_map(std::move(key_map))(node);
+			return ret;
+		}
+
+		template<std::derived_from<LoadBase<_Context...>> T, std::derived_from<T> U>
+		static NodeTools::node_callback_t _expect_instance(
+			NodeTools::callback_t<std::unique_ptr<T>&&> callback, _Context... context
+		) {
+			return [callback, &context...](ast::NodeCPtr node) -> bool {
+				std::unique_ptr<T> instance { std::make_unique<U>() };
+				bool ret = instance->load(node, context...);
+				ret &= callback(std::move(instance));
+				return ret;
+			};
+		}
+
+		OV_DETAIL_GET_TYPE_BASE_CLASS(LoadBase)
+	};
+
+	template<typename... _Context>
+	class Named : public LoadBase<_Context...> {
+		std::string PROPERTY(name);
+
+	protected:
+		Named() = default;
+
+		virtual bool _fill_key_map(NodeTools::key_map_t& key_map, _Context...) override {
+			using namespace OpenVic::NodeTools;
+			return add_key_map_entries(key_map, "name", ONE_EXACTLY, expect_string(assign_variable_callback_string(name)));
+		}
+
+		void _set_name(std::string_view new_name) {
+			if (!name.empty()) {
+				Logger::warning("Overriding scene name ", name, " with ", new_name);
+			}
+			name = new_name;
+		}
+
+	public:
+		Named(Named&&) = default;
+		virtual ~Named() = default;
+
+		OV_DETAIL_GET_TYPE
+	};
+
+	template<typename T, typename... _Context>
+	requires std::derived_from<T, Named<_Context...>>
+	struct _get_name {
+		constexpr std::string_view operator()(T const* item) const {
+			return item->get_name();
+		}
+	};
+
+	template<typename T, typename... _Context>
+	requires std::derived_from<T, Named<_Context...>>
+	using NamedRegistry = ValueRegistry<T, _get_name<T, _Context...>>;
+
+	template<typename T, typename... _Context>
+	requires std::derived_from<T, Named<_Context...>>
+	using NamedInstanceRegistry = InstanceRegistry<T, _get_name<T, _Context...>>;
+}