From d8baf57d46539da9edba5952f73089bf9a54bdaf Mon Sep 17 00:00:00 2001
From: hop311 <hop3114@gmail.com>
Date: Thu, 18 Jul 2024 23:25:38 +0100
Subject: Unit position/country/leader handling + more use of unit branch
 templates

---
 src/openvic-simulation/map/ProvinceInstance.cpp | 41 +++++++++++--------------
 src/openvic-simulation/map/ProvinceInstance.hpp | 27 +++-------------
 2 files changed, 22 insertions(+), 46 deletions(-)

(limited to 'src/openvic-simulation/map')

diff --git a/src/openvic-simulation/map/ProvinceInstance.cpp b/src/openvic-simulation/map/ProvinceInstance.cpp
index 1792fe0..6b20cd2 100644
--- a/src/openvic-simulation/map/ProvinceInstance.cpp
+++ b/src/openvic-simulation/map/ProvinceInstance.cpp
@@ -104,41 +104,36 @@ void ProvinceInstance::tick(Date today) {
 	}
 }
 
-bool ProvinceInstance::add_army(ArmyInstance& army) {
-	if (armies.emplace(&army).second) {
+template<UnitType::branch_t Branch>
+bool ProvinceInstance::add_unit_instance_group(UnitInstanceGroup<Branch>& group) {
+	if (get_unit_instance_groups<Branch>().emplace(static_cast<UnitInstanceGroupBranched<Branch>*>(&group)).second) {
 		return true;
 	} else {
-		Logger::error("Trying to add already-existing army ", army.get_name(), " to province ", get_identifier());
+		Logger::error(
+			"Trying to add already-existing ", Branch == UnitType::branch_t::LAND ? "army" : "navy", " ",
+			group.get_name(), " to province ", get_identifier()
+		);
 		return false;
 	}
 }
 
-bool ProvinceInstance::remove_army(ArmyInstance& army) {
-	if (armies.erase(&army) > 0) {
+template<UnitType::branch_t Branch>
+bool ProvinceInstance::remove_unit_instance_group(UnitInstanceGroup<Branch>& group) {
+	if (get_unit_instance_groups<Branch>().erase(static_cast<UnitInstanceGroupBranched<Branch>*>(&group)) > 0) {
 		return true;
 	} else {
-		Logger::error("Trying to remove non-existent army ", army.get_name(), " from province ", get_identifier());
+		Logger::error(
+			"Trying to remove non-existent ", Branch == UnitType::branch_t::LAND ? "army" : "navy", " ",
+			group.get_name(), " from province ", get_identifier()
+		);
 		return false;
 	}
 }
 
-bool ProvinceInstance::add_navy(NavyInstance& navy) {
-	if (navies.emplace(&navy).second) {
-		return true;
-	} else {
-		Logger::error("Trying to add already-existing navy ", navy.get_name(), " to province ", get_identifier());
-		return false;
-	}
-}
-
-bool ProvinceInstance::remove_navy(NavyInstance& navy) {
-	if (navies.erase(&navy) > 0) {
-		return true;
-	} else {
-		Logger::error("Trying to remove non-existent navy ", navy.get_name(), " from province ", get_identifier());
-		return false;
-	}
-}
+template bool ProvinceInstance::add_unit_instance_group(UnitInstanceGroup<UnitType::branch_t::LAND>&);
+template bool ProvinceInstance::add_unit_instance_group(UnitInstanceGroup<UnitType::branch_t::NAVAL>&);
+template bool ProvinceInstance::remove_unit_instance_group(UnitInstanceGroup<UnitType::branch_t::LAND>&);
+template bool ProvinceInstance::remove_unit_instance_group(UnitInstanceGroup<UnitType::branch_t::NAVAL>&);
 
 bool ProvinceInstance::setup(BuildingTypeManager const& building_type_manager) {
 	if (buildings_are_locked()) {
diff --git a/src/openvic-simulation/map/ProvinceInstance.hpp b/src/openvic-simulation/map/ProvinceInstance.hpp
index 4398cd4..ec06e0c 100644
--- a/src/openvic-simulation/map/ProvinceInstance.hpp
+++ b/src/openvic-simulation/map/ProvinceInstance.hpp
@@ -58,6 +58,8 @@ namespace OpenVic {
 		ordered_set<ArmyInstance*> PROPERTY(armies);
 		ordered_set<NavyInstance*> PROPERTY(navies);
 
+		UNIT_BRANCHED_GETTER(get_unit_instance_groups, armies, navies);
+
 		std::vector<Pop> PROPERTY(pops);
 		Pop::pop_size_t PROPERTY(total_population);
 		IndexedMap<PopType, fixed_point_t> PROPERTY(pop_type_distribution);
@@ -89,31 +91,10 @@ namespace OpenVic {
 		void update_gamestate(Date today);
 		void tick(Date today);
 
-		bool add_army(ArmyInstance& army);
-		bool remove_army(ArmyInstance& army);
-		bool add_navy(NavyInstance& navy);
-		bool remove_navy(NavyInstance& navy);
-
 		template<UnitType::branch_t Branch>
-		bool add_unit_instance_group(UnitInstanceGroup<Branch>& group) {
-			if constexpr (Branch == UnitType::branch_t::LAND) {
-				return add_army(static_cast<ArmyInstance&>(group));
-			} else if constexpr (Branch == UnitType::branch_t::NAVAL) {
-				return add_navy(static_cast<NavyInstance&>(group));
-			} else {
-				OpenVic::utility::unreachable();
-			}
-		}
+		bool add_unit_instance_group(UnitInstanceGroup<Branch>& group);
 		template<UnitType::branch_t Branch>
-		bool remove_unit_instance_group(UnitInstanceGroup<Branch>& group) {
-			if constexpr (Branch == UnitType::branch_t::LAND) {
-				return remove_army(static_cast<ArmyInstance&>(group));
-			} else if constexpr (Branch == UnitType::branch_t::NAVAL) {
-				return remove_navy(static_cast<NavyInstance&>(group));
-			} else {
-				OpenVic::utility::unreachable();
-			}
-		}
+		bool remove_unit_instance_group(UnitInstanceGroup<Branch>& group);
 
 		bool setup(BuildingTypeManager const& building_type_manager);
 		bool apply_history_to_province(ProvinceHistoryEntry const* entry);
-- 
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