1 files changed, 33 insertions, 0 deletions
diff --git a/src/openvic-simulation/economy/BuildingInstance.hpp b/src/openvic-simulation/economy/BuildingInstance.hpp
new file mode 100644
index 0000000..9fc9df1
--- /dev/null
+++ b/src/openvic-simulation/economy/BuildingInstance.hpp
@@ -0,0 +1,33 @@
+#pragma once
+
+#include "openvic-simulation/economy/BuildingType.hpp"
+
+namespace OpenVic {
+
+	struct BuildingInstance : HasIdentifier { // used in the actual game
+		using level_t = BuildingType::level_t;
+
+		enum class ExpansionState { CannotExpand, CanExpand, Preparing, Expanding };
+
+	private:
+		BuildingType const& PROPERTY(building_type);
+
+		level_t PROPERTY(level);
+		ExpansionState PROPERTY(expansion_state);
+		Date PROPERTY(start_date)
+		Date PROPERTY(end_date);
+		float PROPERTY(expansion_progress);
+
+		bool _can_expand() const;
+
+	public:
+		BuildingInstance(BuildingType const& new_building_type, level_t new_level = 0);
+		BuildingInstance(BuildingInstance&&) = default;
+
+		void set_level(level_t new_level);
+
+		bool expand();
+		void update_state(Date today);
+		void tick(Date today);
+	};
+}