1 files changed, 64 insertions, 0 deletions
diff --git a/src/openvic-simulation/InstanceManager.hpp b/src/openvic-simulation/InstanceManager.hpp
new file mode 100644
index 0000000..743fd71
--- /dev/null
+++ b/src/openvic-simulation/InstanceManager.hpp
@@ -0,0 +1,64 @@
+#pragma once
+
+#include <functional>
+
+#include "openvic-simulation/country/CountryInstance.hpp"
+#include "openvic-simulation/diplomacy/CountryRelation.hpp"
+#include "openvic-simulation/economy/GoodInstance.hpp"
+#include "openvic-simulation/map/MapInstance.hpp"
+#include "openvic-simulation/map/Mapmode.hpp"
+#include "openvic-simulation/military/UnitInstance.hpp"
+#include "openvic-simulation/misc/SimulationClock.hpp"
+#include "openvic-simulation/types/Date.hpp"
+
+namespace OpenVic {
+	struct DefinitionManager;
+	struct Bookmark;
+
+	struct InstanceManager {
+		using gamestate_updated_func_t = std::function<void()>;
+
+	private:
+		DefinitionManager const& PROPERTY(definition_manager);
+
+		CountryInstanceManager PROPERTY_REF(country_instance_manager);
+		CountryRelationManager PROPERTY_REF(country_relation_manager);
+		GoodInstanceManager PROPERTY_REF(good_instance_manager);
+		UnitInstanceManager PROPERTY_REF(unit_instance_manager);
+		/* Near the end so it is freed after other managers that may depend on it,
+		 * e.g. if we want to remove military units from the province they're in when they're destructed. */
+		MapInstance PROPERTY_REF(map_instance);
+		SimulationClock PROPERTY_REF(simulation_clock);
+
+		bool PROPERTY_CUSTOM_PREFIX(game_instance_setup, is);
+		bool PROPERTY_CUSTOM_PREFIX(game_session_started, is);
+
+	public:
+		inline constexpr bool is_bookmark_loaded() const {
+			return bookmark != nullptr;
+		}
+
+	private:
+		time_t session_start; /* SS-54, as well as allowing time-tracking */
+		Bookmark const* PROPERTY(bookmark);
+		Date PROPERTY(today);
+		gamestate_updated_func_t gamestate_updated;
+		bool gamestate_needs_update, currently_updating_gamestate;
+
+		void set_gamestate_needs_update();
+		void update_gamestate();
+		void tick();
+
+	public:
+		InstanceManager(
+			DefinitionManager const& new_definition_manager, gamestate_updated_func_t gamestate_updated_callback,
+			SimulationClock::state_changed_function_t clock_state_changed_callback
+		);
+
+		bool setup();
+		bool load_bookmark(Bookmark const* new_bookmark);
+		bool start_game_session();
+
+		bool expand_selected_province_building(size_t building_index);
+	};
+}