1 files changed, 45 insertions, 0 deletions
diff --git a/src/openvic-simulation/modifier/ModifierEffectMapping.hpp b/src/openvic-simulation/modifier/ModifierEffectMapping.hpp
new file mode 100644
index 0000000..1042bb2
--- /dev/null
+++ b/src/openvic-simulation/modifier/ModifierEffectMapping.hpp
@@ -0,0 +1,45 @@
+#pragma once
+
+#include <string_view>
+
+#include "openvic-simulation/types/OrderedContainers.hpp"
+#include "openvic-simulation/utility/Getters.hpp"
+
+namespace OpenVic {
+	struct ModifierManager;
+	struct ModifierEffect;
+
+	struct ModifierEffectMapping {
+		enum struct modifier_effect_mapping_type_t : uint8_t {
+			LEADER_MAPPING,        // Isolated
+			TECHNOLOGY_MAPPING,    // Isolated
+			UNIT_TERRAIN_MAPPING,  // Isolated
+			BASE_COUNTRY_MAPPING,  // Fallen back to by BASE_PROVINCE_MAPPING, and in turn by EVENT_MAPPING and TERRAIN_MAPPING
+			BASE_PROVINCE_MAPPING, // Falls back to BASE_COUNTRY_MAPPING, fallen back to by EVENT_MAPPING and TERRAIN_MAPPING
+			EVENT_MAPPING,         // Falls back to BASE_PROVINCE_MAPPING
+			TERRAIN_MAPPING,       // Falls back to BASE_PROVINCE_MAPPING
+			MODIFIER_EFFECT_MAPPING_COUNT
+		};
+
+		static std::string_view modifier_effect_mapping_type_to_string(modifier_effect_mapping_type_t type);
+
+	private:
+		const modifier_effect_mapping_type_t PROPERTY(type);
+		bool PROPERTY_CUSTOM_PREFIX(locked, is);
+		ModifierEffectMapping const* const PROPERTY(fallback_mapping);
+		string_map_t<ModifierEffect const*> PROPERTY(effect_map);
+
+	public:
+		ModifierEffectMapping(
+			modifier_effect_mapping_type_t new_type, ModifierEffectMapping const* new_fallback_mapping = nullptr
+		);
+		ModifierEffectMapping(ModifierEffectMapping&&) = default;
+
+		std::string_view get_type_name() const;
+
+		bool add_modifier_effect(ModifierEffect const& effect);
+		void lock();
+
+		ModifierEffect const* lookup_modifier_effect(std::string_view identifier) const;
+	};
+}