1 files changed, 124 insertions, 0 deletions
diff --git a/src/openvic2/map/Building.cpp b/src/openvic2/map/Building.cpp
new file mode 100644
index 0000000..1e26873
--- /dev/null
+++ b/src/openvic2/map/Building.cpp
@@ -0,0 +1,124 @@
+#include "Building.hpp"
+
+#include <cassert>
+
+#include "../Logger.hpp"
+#include "Province.hpp"
+
+using namespace OpenVic2;
+
+Building::Building(BuildingType const& new_type) : HasIdentifier{ new_type.get_identifier() }, type{ new_type } {}
+
+bool Building::_can_expand() const {
+	return level < type.get_max_level();
+}
+
+BuildingType const& Building::get_type() const {
+	return type;
+}
+
+Building::level_t Building::get_level() const {
+	return level;
+}
+
+Building::ExpansionState Building::get_expansion_state() const {
+	return expansion_state;
+}
+
+Date const& Building::get_start_date() const {
+	return start;
+}
+
+Date const& Building::get_end_date() const {
+	return end;
+}
+
+float Building::get_expansion_progress() const {
+	return expansion_progress;
+}
+
+return_t Building::expand() {
+	if (expansion_state == ExpansionState::CanExpand) {
+		expansion_state = ExpansionState::Preparing;
+		expansion_progress = 0.0f;
+		return SUCCESS;
+	}
+	return FAILURE;
+}
+
+/* REQUIREMENTS:
+ * MAP-71, MAP-74, MAP-77
+ */
+void Building::update_state(Date const& today) {
+	switch (expansion_state) {
+		case ExpansionState::Preparing:
+			start = today;
+			end = start + type.get_build_time();
+			break;
+		case ExpansionState::Expanding:
+			expansion_progress = static_cast<double>(today - start) / static_cast<double>(end - start);
+			break;
+		default: expansion_state = _can_expand() ? ExpansionState::CanExpand : ExpansionState::CannotExpand;
+	}
+}
+
+void Building::tick(Date const& today) {
+	if (expansion_state == ExpansionState::Preparing) {
+		expansion_state = ExpansionState::Expanding;
+	}
+	if (expansion_state == ExpansionState::Expanding) {
+		if (end <= today) {
+			level++;
+			expansion_state = ExpansionState::CannotExpand;
+		}
+	}
+}
+
+BuildingType::BuildingType(std::string const& new_identifier, Building::level_t new_max_level, Timespan new_build_time) :
+	HasIdentifier{ new_identifier }, max_level{ new_max_level }, build_time{ new_build_time } {
+	assert(new_max_level >= 0);
+	assert(build_time >= 0);
+}
+
+Building::level_t BuildingType::get_max_level() const {
+	return max_level;
+}
+
+Timespan BuildingType::get_build_time() const {
+	return build_time;
+}
+
+BuildingManager::BuildingManager() : building_types{ "building types" } {}
+
+return_t BuildingManager::add_building_type(std::string const& identifier, Building::level_t max_level, Timespan build_time) {
+	if (identifier.empty()) {
+		Logger::error("Invalid building type identifier - empty!");
+		return FAILURE;
+	}
+	if (max_level < 0) {
+		Logger::error("Invalid building type max level: ", max_level);
+		return FAILURE;
+	}
+	if (build_time < 0) {
+		Logger::error("Invalid building type build time: ", build_time);
+		return FAILURE;
+	}
+	return building_types.add_item({ identifier, max_level, build_time });
+}
+
+void BuildingManager::lock_building_types() {
+	building_types.lock();
+}
+
+BuildingType const* BuildingManager::get_building_type_by_identifier(std::string const& identifier) const {
+	return building_types.get_item_by_identifier(identifier);
+}
+
+return_t BuildingManager::generate_province_buildings(Province& province) const {
+	return_t ret = SUCCESS;
+	province.reset_buildings();
+	for (BuildingType const& type : building_types.get_items())
+		if (province.add_building(type) != SUCCESS) ret = FAILURE;
+	province.lock_buildings();
+	return ret;
+}