1 files changed, 80 insertions, 0 deletions
diff --git a/src/openvic-simulation/research/Invention.cpp b/src/openvic-simulation/research/Invention.cpp
new file mode 100644
index 0000000..eb4e342
--- /dev/null
+++ b/src/openvic-simulation/research/Invention.cpp
@@ -0,0 +1,80 @@
+#include "Invention.hpp"
+#include <algorithm>
+#include <cstring>
+#include <utility>
+
+using namespace OpenVic;
+using namespace OpenVic::NodeTools;
+
+Invention::Invention(
+	std::string_view identifier, ModifierValue&& values, bool news, unit_set_t activated_units, building_set_t activated_buildings,
+	crime_set_t enabled_crimes, bool unlock_gas_attack, bool unlock_gas_defence) 
+	: Modifier { identifier, std::move(values), 0 },
+		news { news }, activated_units { std::move(activated_units) }, activated_buildings { std::move(activated_buildings) },
+		enabled_crimes { std::move(enabled_crimes) }, unlock_gas_attack { unlock_gas_attack }, unlock_gas_defence { unlock_gas_defence } {} //TODO icon
+
+InventionManager::InventionManager() : inventions { "inventions" } {}
+
+bool InventionManager::add_invention(
+	std::string_view identifier, ModifierValue&& values, bool news, Invention::unit_set_t activated_units,
+	Invention::building_set_t activated_buildings, Invention::crime_set_t enabled_crimes,
+	bool unlock_gas_attack, bool unlock_gas_defence
+) {
+	if (identifier.empty()) {
+		Logger::error("Invalid invention identifier - empty!");
+		return false;
+	}
+
+	return inventions.add_item({
+		identifier, std::move(values), news, std::move(activated_units), std::move(activated_buildings),
+		std::move(enabled_crimes), unlock_gas_attack, unlock_gas_defence
+	});
+}
+
+bool InventionManager::load_inventions_file(
+	ModifierManager const& modifier_manager, UnitManager const& unit_manager, BuildingManager const& building_manager, ast::NodeCPtr root
+) {
+	return expect_dictionary_reserve_length(inventions, [this, &modifier_manager, &unit_manager, &building_manager](std::string_view identifier, ast::NodeCPtr value) -> bool {
+		ModifierValue loose_modifiers;
+		ModifierValue modifiers;
+
+		Invention::unit_set_t activated_units;
+		Invention::building_set_t activated_buildings;
+		Invention::crime_set_t enabled_crimes;
+
+		bool unlock_gas_attack = false;
+		bool unlock_gas_defence = false;
+		bool news = true; //defaults to true!
+
+		bool ret = modifier_manager.expect_modifier_value_and_keys(move_variable_callback(loose_modifiers),
+			"news", ZERO_OR_ONE, expect_bool(assign_variable_callback(news)),
+			"limit", ONE_EXACTLY, success_callback,
+			"chance", ONE_EXACTLY, success_callback,
+			"effect", ZERO_OR_ONE, modifier_manager.expect_modifier_value_and_keys(
+				move_variable_callback(modifiers),
+				"gas_attack", ZERO_OR_ONE, expect_bool(assign_variable_callback(unlock_gas_attack)),
+				"gas_defence", ZERO_OR_ONE, expect_bool(assign_variable_callback(unlock_gas_defence)),
+				"activate_unit", ZERO_OR_MORE, unit_manager.expect_unit_identifier([this, &activated_units](Unit const& unit) -> bool {
+					activated_units.insert(&unit);
+					return true;
+				}),
+				"activate_building", ZERO_OR_MORE, building_manager.expect_building_type_identifier([this, &activated_buildings](BuildingType const& type) -> bool {
+					activated_buildings.insert(&type);
+					return true;
+				}),
+				"enable_crime", ZERO_OR_ONE, modifier_manager.expect_crime_modifier_identifier([this, &enabled_crimes](Crime const& crime) -> bool {
+					enabled_crimes.insert(&crime);
+					return true;
+				}))
+		)(value);
+
+		modifiers += loose_modifiers;
+
+		ret &= add_invention(
+			identifier, std::move(modifiers), news, activated_units, activated_buildings, enabled_crimes,
+			unlock_gas_attack, unlock_gas_defence
+		);
+
+		return ret;
+	})(root);
+}
+\ No newline at end of file