2 files changed, 264 insertions, 0 deletions
diff --git a/src/openvic-simulation/tech/Technology.cpp b/src/openvic-simulation/tech/Technology.cpp
new file mode 100644
index 0000000..1234ff3
--- /dev/null
+++ b/src/openvic-simulation/tech/Technology.cpp
@@ -0,0 +1,165 @@
+#include "Technology.hpp"
+
+using namespace OpenVic;
+using namespace OpenVic::NodeTools;
+
+TechnologyFolder::TechnologyFolder(std::string_view new_identifier) : HasIdentifier { new_identifier } {}
+
+TechnologyArea::TechnologyArea(std::string_view new_identifier, TechnologyFolder const& new_folder)
+	: HasIdentifier { new_identifier }, folder { new_folder } {}
+
+Technology::Technology(
+	std::string_view new_identifier, TechnologyArea const& new_area, year_t new_year, fixed_point_t new_cost,
+	bool new_unciv_military, uint8_t new_unit, unit_set_t&& new_activated_units, building_set_t&& new_activated_buildings,
+	ModifierValue&& new_values
+) : Modifier { new_identifier, std::move(new_values), 0 }, area { new_area }, year { new_year }, cost { new_cost },
+	unciv_military { new_unciv_military }, unit { new_unit }, activated_buildings { std::move(new_activated_units) },
+	activated_units { std::move(new_activated_buildings) } {}
+
+TechnologySchool::TechnologySchool(std::string_view new_identifier, ModifierValue&& new_values)
+	: Modifier { new_identifier, std::move(new_values), 0 } {}
+
+TechnologyManager::TechnologyManager()
+  : technology_folders { "technology folders" }, technology_areas { "technology areas" }, technologies { "technologies" },
+	technology_schools { "technology schools" } {}
+
+bool TechnologyManager::add_technology_folder(std::string_view identifier) {
+	if (identifier.empty()) {
+		Logger::error("Invalid technology folder identifier - empty!");
+		return false;
+	}
+
+	return technology_folders.add_item({ identifier });
+}
+
+bool TechnologyManager::add_technology_area(std::string_view identifier, TechnologyFolder const* folder) {
+	if (identifier.empty()) {
+		Logger::error("Invalid technology area identifier - empty!");
+		return false;
+	}
+
+	if (folder == nullptr) {
+		Logger::error("Null folder for technology area \"", identifier, "\"!");
+		return false;
+	}
+
+	return technology_areas.add_item({ identifier, *folder });
+}
+
+bool TechnologyManager::add_technology(
+	std::string_view identifier, TechnologyArea const* area, Technology::year_t year, fixed_point_t cost, bool unciv_military,
+	uint8_t unit, Technology::unit_set_t&& activated_units, Technology::building_set_t&& activated_buildings,
+	ModifierValue&& values
+) {
+	if (identifier.empty()) {
+		Logger::error("Invalid technology identifier - empty!");
+		return false;
+	}
+
+	if (area == nullptr) {
+		Logger::error("Null area for technology \"", identifier, "\"!");
+		return false;
+	}
+
+	return technologies.add_item({
+		identifier, *area, year, cost, unciv_military, unit, std::move(activated_units), std::move(activated_buildings),
+		std::move(values)
+	});
+}
+
+bool TechnologyManager::add_technology_school(std::string_view identifier, ModifierValue&& values) {
+	if (identifier.empty()) {
+		Logger::error("Invalid modifier effect identifier - empty!");
+		return false;
+	}
+
+	return technology_schools.add_item({ identifier, std::move(values) });
+}
+
+bool TechnologyManager::load_technology_file_areas(ast::NodeCPtr root) {
+	return expect_dictionary_reserve_length(technology_folders, [this](std::string_view root_key, ast::NodeCPtr root_value) -> bool {
+		if (root_key == "folders") {
+			return expect_dictionary([this](std::string_view folder_key, ast::NodeCPtr folder_value) -> bool {
+				bool ret = add_technology_folder(folder_key);
+				TechnologyFolder const* current_folder = get_technology_folder_by_identifier(folder_key);
+				if (current_folder == nullptr)
+					return false;
+				ret &= expect_list(expect_identifier([this, current_folder](std::string_view area) -> bool {
+					return add_technology_area(area, current_folder);
+				}))(folder_value);
+				return ret;
+			})(root_value);
+			lock_technology_folders();
+			lock_technology_areas();
+		} else if (root_key == "schools") return true; //ignore
+		else return false;
+	})(root);
+}
+
+bool TechnologyManager::load_technology_file_schools(ModifierManager const& modifier_manager, ast::NodeCPtr root) {
+	return expect_dictionary([this, &modifier_manager](std::string_view root_key, ast::NodeCPtr root_value) -> bool {
+		if (root_key == "schools") {
+			return expect_dictionary_reserve_length(technology_schools, [this, &modifier_manager](std::string_view school_key, ast::NodeCPtr school_value) -> bool {
+				ModifierValue modifiers;
+				bool ret = modifier_manager.expect_modifier_value(move_variable_callback(modifiers))(school_value);
+				ret &= add_technology_school(school_key, std::move(modifiers));
+				return ret;
+			})(root_value);
+			lock_technology_schools();
+		} else if (root_key == "folders") return true; //ignore
+		else return false;
+	})(root);
+}
+
+bool TechnologyManager::load_technologies_file(ModifierManager const& modifier_manager, UnitManager const& unit_manager, BuildingManager const& building_manager, ast::NodeCPtr root) {
+	return expect_dictionary_reserve_length(technologies, [this, &modifier_manager, &unit_manager, &building_manager](std::string_view tech_key, ast::NodeCPtr tech_value) -> bool {
+		ModifierValue modifiers;
+		TechnologyArea const* area = nullptr;
+		Technology::year_t year = 0;
+		fixed_point_t cost = 0;
+		bool unciv_military = false;
+		uint8_t unit = 0;
+		Technology::unit_set_t activated_units;
+		Technology::building_set_t activated_buildings;
+
+		bool ret = modifier_manager.expect_modifier_value_and_keys(move_variable_callback(modifiers),
+			"area", ONE_EXACTLY, expect_technology_area_identifier(assign_variable_callback_pointer(area)),
+			"year", ONE_EXACTLY, expect_uint(assign_variable_callback(year)),
+			"cost", ONE_EXACTLY, expect_fixed_point(assign_variable_callback(cost)),
+			"unciv_military", ZERO_OR_ONE, expect_bool(assign_variable_callback(unciv_military)),
+			"unit", ZERO_OR_ONE, expect_uint(assign_variable_callback(unit)),
+			"activate_unit", ZERO_OR_MORE, unit_manager.expect_unit_identifier([&activated_units](Unit const& unit) -> bool {
+				activated_units.insert(&unit);
+				return true;
+			}),
+			"activate_building", ZERO_OR_MORE, building_manager.expect_building_type_identifier(
+				[&activated_buildings](BuildingType const& building_type) -> bool {
+					activated_buildings.insert(&building_type);
+					return true;
+				}
+			),
+			"ai_chance", ONE_EXACTLY, success_callback //TODO
+		)(tech_value);
+
+		ret &= add_technology(
+			tech_key, area, year, cost, unciv_military, unit, std::move(activated_units), std::move(activated_buildings),
+			std::move(modifiers)
+		);
+		return ret;
+	})(root);
+}
+
+bool TechnologyManager::generate_modifiers(ModifierManager& modifier_manager) {
+	bool ret = true;
+
+	ret &= modifier_manager.add_modifier_effect("unciv_military_modifier", true);
+	ret &= modifier_manager.add_modifier_effect("unciv_economic_modifier", true);
+	ret &= modifier_manager.add_modifier_effect("self_unciv_economic_modifier", true);
+	ret &= modifier_manager.add_modifier_effect("self_unciv_military_modifier", true);
+
+	for (TechnologyFolder const& folder : get_technology_folders()) {
+		std::string folder_name = std::string(folder.get_identifier()) + "_research_bonus";
+		ret &= modifier_manager.add_modifier_effect(folder_name, true);
+	}
+	return ret;
+}
+\ No newline at end of file
diff --git a/src/openvic-simulation/tech/Technology.hpp b/src/openvic-simulation/tech/Technology.hpp
new file mode 100644
index 0000000..6f50f01
--- /dev/null
+++ b/src/openvic-simulation/tech/Technology.hpp
@@ -0,0 +1,99 @@
+#pragma once
+
+#include "openvic-simulation/misc/Modifier.hpp"
+#include "openvic-simulation/types/Date.hpp"
+#include "openvic-simulation/military/Unit.hpp"
+#include "openvic-simulation/economy/BuildingType.hpp"
+#include <cstdint>
+
+namespace OpenVic {
+	struct TechnologyFolder : HasIdentifier {
+		friend struct TechnologyManager;
+
+	private:
+		TechnologyFolder(std::string_view new_identifier);
+
+	public:
+		TechnologyFolder(TechnologyFolder&&) = default;
+	};
+
+	struct TechnologyArea : HasIdentifier {
+		friend struct TechnologyManager;
+
+	private:
+		TechnologyFolder const& PROPERTY(folder);
+
+		TechnologyArea(std::string_view new_identifier, TechnologyFolder const& new_folder);
+
+	public:
+		TechnologyArea(TechnologyArea&&) = default;
+	};
+
+	struct Technology : Modifier {
+		friend struct TechnologyManager;
+
+		using year_t = Date::year_t;
+		using unit_set_t = std::unordered_set<Unit const*>;
+		using building_set_t = std::unordered_set<BuildingType const*>;
+
+	private:
+		TechnologyArea const& PROPERTY(area);
+		const year_t PROPERTY(year);
+		const fixed_point_t PROPERTY(cost);
+		const bool PROPERTY(unciv_military);
+		const uint8_t PROPERTY(unit);
+		const unit_set_t PROPERTY(activated_buildings);
+		const building_set_t PROPERTY(activated_units);
+
+		//TODO: implement rules/modifiers and ai_chance
+
+		Technology(
+			std::string_view new_identifier, TechnologyArea const& new_area, year_t new_year, fixed_point_t new_cost,
+			bool new_unciv_military, uint8_t new_unit, unit_set_t&& new_activated_units,
+			building_set_t&& new_activated_buildings, ModifierValue&& new_values
+		);
+
+	public:
+		Technology(Technology&&) = default;
+	};
+
+	struct TechnologySchool : Modifier {
+		friend struct TechnologyManager;
+
+	private:
+		TechnologySchool(std::string_view new_identifier, ModifierValue&& new_values);
+	};
+
+	struct TechnologyManager {
+		IdentifierRegistry<TechnologyFolder> technology_folders;
+		IdentifierRegistry<TechnologyArea> technology_areas;
+		IdentifierRegistry<Technology> technologies;
+		IdentifierRegistry<TechnologySchool> technology_schools;
+
+	public:
+		TechnologyManager();
+
+		bool add_technology_folder(std::string_view identifier);
+		IDENTIFIER_REGISTRY_ACCESSORS(technology_folder)
+
+		bool add_technology_area(std::string_view identifier, TechnologyFolder const* folder);
+		IDENTIFIER_REGISTRY_ACCESSORS(technology_area)
+
+		bool add_technology(
+			std::string_view identifier, TechnologyArea const* area, Technology::year_t year, fixed_point_t cost,
+			bool unciv_military, uint8_t unit, Technology::unit_set_t&& activated_units,
+			Technology::building_set_t&& activated_buildings, ModifierValue&& values);
+		IDENTIFIER_REGISTRY_ACCESSORS_CUSTOM_PLURAL(technology, technologies)
+
+		bool add_technology_school(std::string_view identifier, ModifierValue&& values);
+		IDENTIFIER_REGISTRY_ACCESSORS(technology_school);
+
+		bool load_technology_file_areas(ast::NodeCPtr root); // common/technology.txt
+		bool load_technology_file_schools(ModifierManager const& modifier_manager, ast::NodeCPtr root); // also common/technology.txt
+		bool load_technologies_file(
+			ModifierManager const& modifier_manager, UnitManager const& unit_manager, BuildingManager const& building_manager,
+			ast::NodeCPtr root
+		); // technologies/*.txt
+		bool generate_modifiers(ModifierManager& modifier_manager);
+	};
+}
+\ No newline at end of file