Merge pull request #79 from OpenVicProject/states

6 files changed, 145 insertions, 2 deletions

diff --git a/src/openvic-simulation/GameManager.cpp b/src/openvic-simulation/GameManager.cpp
index 04e680d..5b74ec4 100644
--- a/src/openvic-simulation/GameManager.cpp
+++ b/src/openvic-simulation/GameManager.cpp
@@ -59,6 +59,7 @@ bool GameManager::load_bookmark(Bookmark const* new_bookmark) {
 	}
 	today = bookmark->get_date();
 	ret &= map.apply_history_to_provinces(history_manager.get_province_manager(), today);
+	map.get_state_manager().generate_states(map);
 	// TODO - apply country history
 	// TODO - apply pop history
 	return ret;
diff --git a/src/openvic-simulation/map/Map.hpp b/src/openvic-simulation/map/Map.hpp
index 638d7a5..f286276 100644
--- a/src/openvic-simulation/map/Map.hpp
+++ b/src/openvic-simulation/map/Map.hpp
@@ -7,6 +7,7 @@
 
 #include "openvic-simulation/map/Region.hpp"
 #include "openvic-simulation/map/TerrainType.hpp"
+#include "openvic-simulation/map/State.hpp"
 
 namespace OpenVic {
 	namespace fs = std::filesystem;
@@ -69,6 +70,8 @@ namespace OpenVic {
 		Province::index_t get_index_from_colour(colour_t colour) const;
 		bool _generate_province_adjacencies();
 
+		StateManager PROPERTY_REF(state_manager);
+
 	public:
 		Map();
 
diff --git a/src/openvic-simulation/map/Province.cpp b/src/openvic-simulation/map/Province.cpp
index 193b1f9..201d3a0 100644
--- a/src/openvic-simulation/map/Province.cpp
+++ b/src/openvic-simulation/map/Province.cpp
@@ -32,7 +32,7 @@ bool Province::load_positions(BuildingManager const& building_manager, ast::Node
 		"factory", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(positions.factory)),
 		"building_construction", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(positions.building_construction)),
 		"military_construction", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(positions.military_construction)),
-		"building_position", ZERO_OR_ONE, expect_dictionary_keys(
+		"building_position", ZERO_OR_ONE, expect_dictionary_keys( // TODO: for TGC etc are building positions available for modded-in buildings? needs testing
 			"fort", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(positions.fort)),
 			"railroad", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(positions.railroad)),
 			"naval_base", ZERO_OR_ONE, expect_fvec2(assign_variable_callback(positions.navalbase))
diff --git a/src/openvic-simulation/map/Province.hpp b/src/openvic-simulation/map/Province.hpp
index a57f914..dd440fa 100644
--- a/src/openvic-simulation/map/Province.hpp
+++ b/src/openvic-simulation/map/Province.hpp
@@ -10,6 +10,7 @@
 namespace OpenVic {
 	struct Map;
 	struct Region;
+	struct State;
 	struct Good;
 	struct TerrainType;
 	struct TerrainTypeMapping;
@@ -27,7 +28,7 @@ namespace OpenVic {
 		using distance_t = uint16_t;
 		using flags_t = uint16_t;
 
-		enum struct colony_status_t : int8_t { STATE, PROTECTORATE, COLONY };
+		enum struct colony_status_t : uint8_t { STATE, PROTECTORATE, COLONY };
 
 		struct adjacency_t {
 			friend struct Province;
@@ -62,6 +63,7 @@ namespace OpenVic {
 	private:
 		const index_t PROPERTY(index);
 		Region* PROPERTY(region);
+		State const* PROPERTY_RW(state);
 		bool PROPERTY(on_map);
 		bool PROPERTY(has_region);
 		bool PROPERTY(water);
diff --git a/src/openvic-simulation/map/State.cpp b/src/openvic-simulation/map/State.cpp
new file mode 100644
index 0000000..bc78469
--- /dev/null
+++ b/src/openvic-simulation/map/State.cpp
@@ -0,0 +1,83 @@
+#include "State.hpp"
+
+#include "Map.hpp"
+
+using namespace OpenVic;
+
+State::State(
+	Country const* owner, Province const* capital, Region::provinces_t&& provinces, Province::colony_status_t colony_status
+) : owner { owner }, capital { capital }, provinces { std::move(provinces) }, colony_status { colony_status } {}
+
+StateSet::StateSet(Region const* new_region) {
+	if (region->get_meta()) {
+		Logger::error("Cannot use meta region as state template!");
+	}
+	region = new_region;
+
+	std::vector<Region::provinces_t> temp_provinces;
+	bool in_state = false;
+
+	for (Province* province : region->get_provinces()) {
+		// add to existing state if shared owner & status...
+		for (Region::provinces_t& provinces : temp_provinces) {
+			if (provinces[0] == province) {
+				provinces.push_back(province);
+				in_state = true;
+				break;
+			}
+		}
+		if (in_state) {
+			in_state = false;
+		} else {
+			// ...otherwise start a new state
+			temp_provinces.push_back({ province });
+		}
+	}
+
+	for (Region::provinces_t& provinces : temp_provinces) {
+		states.push_back({
+			/* TODO: capital province logic */
+			provinces[0]->get_owner(), provinces[0], std::move(provinces), provinces[0]->get_colony_status()
+		});
+	}
+
+	// Go back and assign each new state to its provinces.
+	for (State const& state : states) {
+		for (Province* province : state.get_provinces()) {
+			province->set_state(&state);
+		}
+	}
+}
+
+bool StateSet::add_state(State&& state) {
+	const auto existing = std::find(states.begin(), states.end(), state);
+	if (existing != states.end()) {
+		Logger::error("Attempted to add existing state!");
+		return false;
+	}
+	states.push_back(std::move(state));
+	return true;
+}
+
+bool StateSet::remove_state(State const* state) {
+	const auto existing = std::find(states.begin(), states.end(), *state);
+	if (existing == states.end()) {
+		Logger::error("Attempted to remove non-existant state!");
+		return false;
+	}
+	states.erase(existing);
+	return true;
+}
+
+StateSet::states_t& StateSet::get_states() {
+	return states;
+}
+
+void StateManager::generate_states(Map const& map) {
+	regions.clear();
+	regions.reserve(map.get_region_count());
+	for(Region const& region : map.get_regions()) {
+		regions.push_back(StateSet(&region));
+	}
+	Logger::info("Generated states.");
+}
diff --git a/src/openvic-simulation/map/State.hpp b/src/openvic-simulation/map/State.hpp
new file mode 100644
index 0000000..e403580
--- /dev/null
+++ b/src/openvic-simulation/map/State.hpp
@@ -0,0 +1,54 @@
+#pragma once
+
+#include "openvic-simulation/map/Province.hpp"
+#include "openvic-simulation/map/Region.hpp"
+#include "openvic-simulation/country/Country.hpp"
+
+#include <deque>
+
+namespace OpenVic {
+	struct State {
+	private:
+		Country const* PROPERTY_RW(owner);
+		Province const* PROPERTY_RW(capital);
+		Region::provinces_t PROPERTY(provinces);
+		Province::colony_status_t PROPERTY_RW(colony_status);
+
+	public:
+		State(
+			Country const* owner, Province const* capital, Region::provinces_t&& provinces,
+			Province::colony_status_t colony_status
+		);
+	};
+
+	inline bool operator==(const State& lhs, const State& rhs) {
+		return (lhs.get_owner() == rhs.get_owner() && lhs.get_colony_status() == rhs.get_colony_status());
+	}
+
+	struct StateSet {
+		using states_t = std::deque<State>;
+
+	private:
+		Region const* PROPERTY(region);
+		states_t states;
+
+	public:
+		StateSet(Region const* new_region);
+
+		bool add_state(State&& state);
+		bool remove_state(State const* state);
+		states_t& get_states();
+	};
+
+	/* Contains all current states.*/
+	struct StateManager {
+	private:
+		std::vector<StateSet> PROPERTY(regions);
+
+	public:
+		/* Creates states from current province gamestate & regions, sets province state value.
+		 * After this function, the `regions` property is unmanaged and must be carefully updated and
+		 * validated by functions that modify it. */
+		void generate_states(Map const& map);
+	};
+} // namespace OpenVic