From 91988fc96a2ea0cd5766a304e93629678d22777c Mon Sep 17 00:00:00 2001
From: wvpm <24685035+wvpm@users.noreply.github.com>
Date: Sun, 7 Jan 2024 00:37:41 +0100
Subject: Support culture restrictions for units

Style
---
 src/openvic-simulation/military/Unit.cpp | 19 +++++++++++++++----
 src/openvic-simulation/military/Unit.hpp |  6 ++++--
 2 files changed, 19 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/openvic-simulation/military/Unit.cpp b/src/openvic-simulation/military/Unit.cpp
index 0862741..db04335 100644
--- a/src/openvic-simulation/military/Unit.cpp
+++ b/src/openvic-simulation/military/Unit.cpp
@@ -6,7 +6,7 @@
 	std::move(supply_cost)
 
 #define LAND_ARGS \
-	primary_culture, sprite_override, sprite_mount, sprite_mount_attach_node, reconnaissance, attack, defence, discipline, \
+	allowed_cultures, sprite_override, sprite_mount, sprite_mount_attach_node, reconnaissance, attack, defence, discipline, \
 	support, maneuver, siege
 
 #define NAVY_ARGS \
@@ -26,7 +26,7 @@ Unit::Unit(
 
 LandUnit::LandUnit(
 	std::string_view identifier, UNIT_PARAMS, LAND_PARAMS
-) : Unit { identifier, type_t::LAND, UNIT_ARGS }, primary_culture { primary_culture }, sprite_override { sprite_override },
+) : Unit { identifier, type_t::LAND, UNIT_ARGS }, allowed_cultures { allowed_cultures }, sprite_override { sprite_override },
 	sprite_mount { sprite_mount }, sprite_mount_attach_node { sprite_mount_attach_node }, reconnaissance { reconnaissance },
 	attack { attack }, defence { defence }, discipline { discipline }, support { support }, maneuver { maneuver },
 	siege { siege } {}
@@ -127,12 +127,14 @@ bool UnitManager::load_unit_file(GoodManager const& good_manager, ast::NodeCPtr
 
 		switch (type) {
 		case Unit::type_t::LAND: {
-			bool primary_culture = false;
+			bool is_restricted_to_primary_culture = false;
+			bool is_restricted_to_accepted_cultures = false;
 			std::string_view sprite_override {}, sprite_mount {}, sprite_mount_attach_node {};
 			fixed_point_t reconnaissance = 0, attack = 0, defence = 0, discipline = 0, support = 0, maneuver = 0, siege = 0;
 
 			ret &= add_key_map_entries(key_map,
-				"primary_culture", ZERO_OR_ONE, expect_bool(assign_variable_callback(primary_culture)),
+				"primary_culture", ZERO_OR_ONE, expect_bool(assign_variable_callback(is_restricted_to_primary_culture)),
+				"accepted_culture", ZERO_OR_ONE, expect_bool(assign_variable_callback(is_restricted_to_accepted_cultures)),
 				"sprite_override", ZERO_OR_ONE, expect_identifier(assign_variable_callback(sprite_override)),
 				"sprite_mount", ZERO_OR_ONE, expect_identifier(assign_variable_callback(sprite_mount)),
 				"sprite_mount_attach_node", ZERO_OR_ONE, expect_identifier(assign_variable_callback(sprite_mount_attach_node)),
@@ -145,6 +147,15 @@ bool UnitManager::load_unit_file(GoodManager const& good_manager, ast::NodeCPtr
 				"siege", ZERO_OR_ONE, expect_fixed_point(assign_variable_callback(siege))
 			);
 
+			LandUnit::allowed_cultures_t allowed_cultures;
+			if (is_restricted_to_accepted_cultures) {
+				allowed_cultures = LandUnit::allowed_cultures_t::ACCEPTED_CULTURES;
+			} else if (is_restricted_to_primary_culture) {
+				allowed_cultures = LandUnit::allowed_cultures_t::PRIMARY_CULTURE;
+			} else {
+				allowed_cultures = LandUnit::allowed_cultures_t::ALL_CULTURES;
+			}
+
 			ret &= expect_dictionary_key_map(key_map)(value);
 
 			ret &= add_land_unit(key, UNIT_ARGS, LAND_ARGS);
diff --git a/src/openvic-simulation/military/Unit.hpp b/src/openvic-simulation/military/Unit.hpp
index a44f4e5..c791aca 100644
--- a/src/openvic-simulation/military/Unit.hpp
+++ b/src/openvic-simulation/military/Unit.hpp
@@ -17,7 +17,7 @@
 	Good::good_map_t&& build_cost, fixed_point_t supply_consumption, Good::good_map_t&& supply_cost
 
 #define LAND_PARAMS \
-	bool primary_culture, std::string_view sprite_override, std::string_view sprite_mount, \
+	LandUnit::allowed_cultures_t allowed_cultures, std::string_view sprite_override, std::string_view sprite_mount, \
 	std::string_view sprite_mount_attach_node, fixed_point_t reconnaissance, fixed_point_t attack, fixed_point_t defence, \
 	fixed_point_t discipline, fixed_point_t support, fixed_point_t maneuver, fixed_point_t siege
 
@@ -64,8 +64,10 @@ namespace OpenVic {
 	struct LandUnit : Unit {
 		friend struct UnitManager;
 
+		enum struct allowed_cultures_t { ALL_CULTURES, ACCEPTED_CULTURES, PRIMARY_CULTURE };
+
 	private:
-		const bool PROPERTY_CUSTOM_PREFIX(primary_culture, is);
+		const allowed_cultures_t PROPERTY(allowed_cultures);
 		const std::string PROPERTY(sprite_override);
 		const std::string PROPERTY(sprite_mount);
 		const std::string PROPERTY(sprite_mount_attach_node);
-- 
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