#include "gamemanager.h"
#include "pathfinder.h"
#include "yamlparser.h"
#include "terrainyieldmanager.h"
#include "terrainmovementmanager.h"
#include "localization.h"
#include <QDebug>
#include <cmath>

GameManager& GameManager::instance()
{
    static GameManager s_instance;
    return s_instance;
}

GameManager::GameManager()
    : m_selectedUnitId(-1), m_activeCityViewId(-1), m_isTechTreeOpen(false), m_actionMode(ActionMode::None),
      m_movementTickDuration(30.0f), m_tickTimer(0.0f),
      m_simSpeedMultiplier(1.0f),
      m_maxActionQueueSize(15), m_autoQueueMoveWhenBusy(true), m_allowActionQueueing(true),
      m_nextUnitId(0), m_nextCityId(0),
      m_initialized(false)
{
}

void GameManager::init(const QString &baseDir, Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    if (m_initialized) return;

    // Load localization
    Localization::instance().loadFile(baseDir + "/config/strings_en.yaml");

    // Load terrain yields & city configuration
    TerrainYieldManager::instance().loadConfigs(baseDir);

    // Load game settings
    QString gameConfigPath = baseDir + "/config/game.yaml";
    YamlNode gameRoot = YamlParser::parseFile(gameConfigPath);
    if (gameRoot.hasChild("movement_tick_duration")) {
        m_movementTickDuration = gameRoot["movement_tick_duration"].asFloat(30.0f);
    }
    if (gameRoot.hasChild("action_queue")) {
        const YamlNode &aqNode = gameRoot["action_queue"];
        m_maxActionQueueSize = aqNode["max_size"].asInt(15);
        m_autoQueueMoveWhenBusy = aqNode["auto_queue_move_when_busy"].asBool(true);
        m_allowActionQueueing = aqNode["allow_action_queueing"].asBool(true);
    }

    // Load unit YAML configurations
    QString unitsConfigDir = baseDir + "/config/units";
    m_unitConfigManager.loadFromDirectory(unitsConfigDir);

    // Load building & district YAML configurations
    QString buildingsConfigPath = baseDir + "/config/buildings.yaml";
    m_buildingConfigManager.loadConfigFile(buildingsConfigPath);

    // Load road YAML configurations
    QString roadsConfigPath = baseDir + "/config/roads.yaml";
    m_roadConfigManager.loadConfigFile(roadsConfigPath);

    // Load technology tree YAML configuration
    QString techConfigPath = baseDir + "/config/technologies.yaml";
    m_techTreeManager.loadConfigFile(techConfigPath);

    // Load action needed queue configuration
    QString actionNeededConfigPath = baseDir + "/config/action_needed.yaml";
    m_actionNeededManager.loadConfigFile(actionNeededConfigPath);

    const CityConfig &cCfg = TerrainYieldManager::instance().getCityConfig();

    // Initialize player national resources from configuration
    // Note: science is a per-tick generation rate and is not stockpiled
    for (auto &player : m_playerManager.getPlayersMutable()) {
        player.culture = cCfg.initialNationalResources.value("cultuur", 10000);
        player.science = 0;
        player.faith = cCfg.initialNationalResources.value("geloof", 0);
        player.gold = cCfg.initialNationalResources.value("goud", 0);
    }

    // Spawn an initial established city for Player 1 at (35, 17)
    int cId = getNextCityId();
    QVector2D w = Pathfinder::hexToWorld(35, 17);
    float gz = Unit::getTerrainHeight(w.x(), w.y(), mapPoints, numPoints05);

    City initialCity(cId, 1, "Roma", 35, 17, QVector3D(w.x(), w.y(), gz),
                     cCfg.initialInhabitants, cCfg.inhabitantsPerPop, cCfg.initialBorderRadius);

    // Assign initial 1 pop to work the city center tile with best yield resource
    QString defRes = getBestTileResource(35, 17, mapPoints, numPoints05);
    initialCity.assignWorker(35, 17, defRes);

    m_cities.push_back(initialCity);

    // Update initial per-tick science generation rate for all players
    for (auto &player : m_playerManager.getPlayersMutable()) {
        player.science = calculatePlayerSciencePerTick(player.id, mapPoints, numPoints05);
    }

    // Spawn initial demo units near starting camera position
    // Player 1 (Blue & Gold)
    spawnUnit("settler", 1, 36, 18, mapPoints, numPoints05);
    spawnUnit("builder", 1, 35, 18, mapPoints, numPoints05);
    spawnUnit("warrior", 1, 37, 18, mapPoints, numPoints05);
    spawnUnit("slinger", 1, 37, 19, mapPoints, numPoints05);
    spawnUnit("galley", 1, 41, 92, mapPoints, numPoints05);

    // Player 2 (Red & White) - Opponent units
    spawnUnit("warrior", 2, 40, 18, mapPoints, numPoints05);
    spawnUnit("slinger", 2, 41, 19, mapPoints, numPoints05);

    m_initialized = true;
    qDebug() << "GameManager initialized with" << m_cities.size() << "cities and" << m_units.size() << "units.";
}

Unit* GameManager::spawnUnit(const QString &configId, int playerId, int tileX, int tileY,
                             Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    const UnitConfig *cfg = m_unitConfigManager.getConfig(configId);
    if (!cfg) {
        qWarning() << "Unit config not found:" << configId;
        return nullptr;
    }

    QVector2D w = Pathfinder::hexToWorld(tileX, tileY);
    float gz = Unit::getTerrainHeight(w.x(), w.y(), mapPoints, numPoints05);

    int id = getNextUnitId();
    auto unit = std::make_shared<Unit>(id, playerId, *cfg, tileX, tileY, gz);
    unit->maxQueueSize = m_maxActionQueueSize;
    m_units.push_back(unit);
    return unit.get();
}

void GameManager::update(float deltaTime, Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    // Keep player science rate synchronized with current city yields (science is generated per tick, not saved)
    for (auto &player : m_playerManager.getPlayersMutable()) {
        player.science = calculatePlayerSciencePerTick(player.id, mapPoints, numPoints05);
    }

    // Update movement tick timer
    m_tickTimer += deltaTime * m_simSpeedMultiplier;
    if (m_tickTimer >= m_movementTickDuration) {
        m_tickTimer = std::fmod(m_tickTimer, m_movementTickDuration);
        processTickYields(mapPoints, numPoints05);
    }

    // Update units
    for (auto &u : m_units) {
        if (!u->isDead()) {
            u->update(deltaTime, m_movementTickDuration, m_simSpeedMultiplier, mapPoints, numPoints05);
            if (u->isBuilding() && u->buildProgress >= 1.0f) {
                completeUnitBuilding(*u, mapPoints, numPoints05);
            }
            if (!u->isDead() && u->state == UnitState::Idle) {
                if (u->hasRoadRoute()) {
                    advanceRoadRoute(*u, mapPoints, numPoints05);
                } else if (u->currentAction.isValid()) {
                    continueCurrentUnitAction(*u, mapPoints, numPoints05);
                }
                if (!u->isDead() && u->state == UnitState::Idle && !u->currentAction.isValid() && u->hasQueuedAction()) {
                    processUnitActionQueue(*u, mapPoints, numPoints05);
                }
            }
        }
    }

    // Clean up dead units
    for (auto it = m_units.begin(); it != m_units.end(); ) {
        if ((*it)->isDead()) {
            if ((*it)->id == m_selectedUnitId) {
                m_selectedUnitId = -1;
                m_actionMode = ActionMode::None;
            }
            it = m_units.erase(it);
        } else {
            ++it;
        }
    }

    // Update floating texts
    for (auto it = m_floatingTexts.begin(); it != m_floatingTexts.end(); ) {
        it->life -= deltaTime;
        it->worldPos.setZ(it->worldPos.z() + deltaTime * 0.4f);
        if (it->life <= 0.0f) {
            it = m_floatingTexts.erase(it);
        } else {
            ++it;
        }
    }

    // Check if Player 1 needs to select a technology to research
    const Player *p1 = m_playerManager.getPlayer(1);
    bool p1HasCities = false;
    for (const auto &c : m_cities) {
        if (c.playerId == 1) {
            p1HasCities = true;
            break;
        }
    }
    bool hasUnresearchedTechs = p1 && ((int)p1->researchedTechs.size() < m_techTreeManager.getAllTechs().size());
    bool needsResearch = p1 && p1HasCities && !p1->hasActiveResearch() && hasUnresearchedTechs;

    // Update Action Needed Queue for active human player 1
    m_actionNeededManager.update(deltaTime, 1, m_units, m_cities, needsResearch);
}

void GameManager::openTechTree()
{
    m_isTechTreeOpen = true;
    m_actionMode = ActionMode::None;
}

void GameManager::closeTechTree()
{
    m_isTechTreeOpen = false;
}

void GameManager::toggleTechTree()
{
    if (m_isTechTreeOpen) {
        closeTechTree();
    } else {
        openTechTree();
    }
}

int GameManager::calculatePlayerSciencePerTick(int playerId, Matrix2D<TerrainPoint> *mapPoints, int numPoints05) const
{
    int totalScience = 0;
    for (const auto &city : m_cities) {
        if (city.playerId == playerId) {
            CityYieldSummary yields = calculateCityYields(city, mapPoints, numPoints05);
            totalScience += yields.science;
        }
    }
    return totalScience;
}

int GameManager::getTechRemainingScience(const Player &player, const QString &techId) const
{
    const TechConfig *cfg = m_techTreeManager.getTech(techId);
    if (!cfg) return 0;
    if (player.hasResearched(techId)) return 0;
    int progress = player.getTechProgress(techId);
    return std::max(0, cfg->scienceCost - progress);
}

bool GameManager::selectTechForPlayer(int playerId, const QString &targetTechId, bool appendToQueue)
{
    Player *player = m_playerManager.getPlayer(playerId);
    if (!player) return false;

    const TechConfig *targetCfg = m_techTreeManager.getTech(targetTechId);
    if (!targetCfg) return false;

    if (player->hasResearched(targetTechId)) {
        return false;
    }

    // Determine which techs are already satisfied (researched, or already queued if appending)
    std::set<QString> satisfied = player->researchedTechs;
    if (appendToQueue) {
        for (const QString &qId : player->researchQueue) {
            satisfied.insert(qId);
        }
        if (satisfied.find(targetTechId) != satisfied.end()) {
            return false;
        }
    }

    // Collect all unresearched (and unqueued if appending) prerequisites of targetTechId + targetTechId itself
    std::set<QString> requiredSet;
    std::vector<QString> stack;
    stack.push_back(targetTechId);

    while (!stack.empty()) {
        QString cur = stack.back();
        stack.pop_back();

        if (satisfied.find(cur) != satisfied.end() || requiredSet.find(cur) != requiredSet.end()) {
            continue;
        }
        const TechConfig *cCfg = m_techTreeManager.getTech(cur);
        if (!cCfg) continue;

        requiredSet.insert(cur);
        for (const QString &pre : cCfg->prerequisites) {
            if (satisfied.find(pre) == satisfied.end() && requiredSet.find(pre) == requiredSet.end()) {
                stack.push_back(pre);
            }
        }
    }

    // Build ordered queue:
    // At each step, among all technologies in requiredSet whose prerequisites are all satisfied,
    // choose the technology with the smallest remaining science work (scienceCost - currentProgress).
    // Note: targetTechId itself only becomes available once all its prerequisites are placed in the queue.
    std::vector<QString> orderedQueue;
    orderedQueue.reserve(requiredSet.size());
    std::set<QString> currentSatisfied = satisfied;
    std::set<QString> remainingToSchedule = requiredSet;

    while (!remainingToSchedule.empty()) {
        std::vector<QString> readyTechs;
        for (const QString &candId : remainingToSchedule) {
            const TechConfig *candCfg = m_techTreeManager.getTech(candId);
            if (!candCfg) continue;

            bool allPrereqsMet = true;
            for (const QString &pre : candCfg->prerequisites) {
                if (currentSatisfied.find(pre) == currentSatisfied.end()) {
                    allPrereqsMet = false;
                    break;
                }
            }
            if (allPrereqsMet) {
                readyTechs.push_back(candId);
            }
        }

        if (readyTechs.empty()) {
            // Fallback in case of malformed cyclic config in YAML
            for (const QString &candId : remainingToSchedule) {
                readyTechs.push_back(candId);
            }
        }

        // Sort ready techs by smallest remaining science work (already partially researched techs have less work left)
        std::sort(readyTechs.begin(), readyTechs.end(), [&](const QString &a, const QString &b) {
            // Ensure targetTechId comes after any other ready tech if appending or tie-breaking
            if (a == targetTechId && b != targetTechId) return false;
            if (b == targetTechId && a != targetTechId) return true;

            int remA = getTechRemainingScience(*player, a);
            int remB = getTechRemainingScience(*player, b);
            if (remA != remB) return remA < remB;

            const TechConfig *ta = m_techTreeManager.getTech(a);
            const TechConfig *tb = m_techTreeManager.getTech(b);
            if (ta && tb) {
                if (ta->column != tb->column) return ta->column < tb->column;
                if (ta->row != tb->row) return ta->row < tb->row;
            }
            return a < b;
        });

        QString chosen = readyTechs.front();
        orderedQueue.push_back(chosen);
        currentSatisfied.insert(chosen);
        remainingToSchedule.erase(chosen);
    }

    if (appendToQueue) {
        player->researchQueue.insert(player->researchQueue.end(), orderedQueue.begin(), orderedQueue.end());
    } else {
        player->researchQueue = orderedQueue;
    }

    return true;
}

void GameManager::removeTechFromPlayerQueue(int playerId, const QString &techId)
{
    Player *player = m_playerManager.getPlayer(playerId);
    if (!player) return;

    // Remove techId and any queued tech that transitively depends on techId
    std::set<QString> removed;
    removed.insert(techId);

    bool changed = true;
    while (changed) {
        changed = false;
        for (const QString &qId : player->researchQueue) {
            if (removed.find(qId) != removed.end()) continue;
            const TechConfig *cfg = m_techTreeManager.getTech(qId);
            if (!cfg) continue;
            for (const QString &pre : cfg->prerequisites) {
                if (removed.find(pre) != removed.end()) {
                    removed.insert(qId);
                    changed = true;
                    break;
                }
            }
        }
    }

    player->researchQueue.erase(
        std::remove_if(player->researchQueue.begin(), player->researchQueue.end(),
                       [&](const QString &id) { return removed.find(id) != removed.end(); }),
        player->researchQueue.end()
    );
}

void GameManager::clearPlayerResearchQueue(int playerId)
{
    Player *player = m_playerManager.getPlayer(playerId);
    if (!player) return;
    player->researchQueue.clear();
}

void GameManager::advancePlayerResearch(Player &player, int scienceGenerated)
{
    if (scienceGenerated <= 0 || player.researchQueue.empty()) {
        // Science cannot be saved when no technology is being researched
        return;
    }

    int remainingScienceToApply = scienceGenerated;

    while (remainingScienceToApply > 0 && !player.researchQueue.empty()) {
        QString activeId = player.researchQueue.front();
        const TechConfig *cfg = m_techTreeManager.getTech(activeId);
        if (!cfg) {
            player.researchQueue.erase(player.researchQueue.begin());
            continue;
        }

        // Verify prerequisites are met before applying science
        if (!player.arePrerequisitesMet(cfg->prerequisites)) {
            // Re-run prerequisite ordering for the target tech
            QString targetId = player.researchQueue.back();
            selectTechForPlayer(player.id, targetId, false);
            if (player.researchQueue.empty()) break;
            activeId = player.researchQueue.front();
            cfg = m_techTreeManager.getTech(activeId);
            if (!cfg) break;
        }

        int curProg = player.getTechProgress(activeId);
        int needed = std::max(0, cfg->scienceCost - curProg);

        if (remainingScienceToApply >= needed) {
            // Technology completed!
            remainingScienceToApply -= needed;
            player.techProgress[activeId] = cfg->scienceCost;
            player.researchedTechs.insert(activeId);
            player.researchQueue.erase(player.researchQueue.begin());

            // Remove any newly obsolete unbuilt projects from this player's city queues
            // (Already built buildings and existing units on the map do NOT disappear!)
            for (auto &city : m_cities) {
                if (city.playerId != player.id) continue;

                // Remove obsolete items from waiting projectQueue
                city.projectQueue.erase(
                    std::remove_if(city.projectQueue.begin(), city.projectQueue.end(), [&](const CityProject &proj) {
                        if (proj.type == CityProjectType::Unit) {
                            const UnitConfig *uCfg = m_unitConfigManager.getConfig(proj.id);
                            return uCfg && player.isItemObsolete(uCfg->obsoleteTech);
                        } else if (proj.type == CityProjectType::Building) {
                            const BuildingConfig *bCfg = m_buildingConfigManager.getBuilding(proj.id);
                            return bCfg && player.isItemObsolete(bCfg->obsoleteTech);
                        }
                        return false;
                    }),
                    city.projectQueue.end()
                );

                // Check if currentProject became obsolete
                if (city.hasActiveProject()) {
                    bool activeObsolete = false;
                    if (city.currentProject.type == CityProjectType::Unit) {
                        const UnitConfig *uCfg = m_unitConfigManager.getConfig(city.currentProject.id);
                        activeObsolete = (uCfg && player.isItemObsolete(uCfg->obsoleteTech));
                    } else if (city.currentProject.type == CityProjectType::Building) {
                        const BuildingConfig *bCfg = m_buildingConfigManager.getBuilding(city.currentProject.id);
                        activeObsolete = (bCfg && player.isItemObsolete(bCfg->obsoleteTech));
                    }
                    if (activeObsolete) {
                        city.cancelActiveProject();
                    }
                }
            }

            // Show floating notification over player's capital / first city
            for (const auto &city : m_cities) {
                if (city.playerId == player.id) {
                    QString msg = Localization::instance().get("ui.tech_tree.tech_completed_float", "Technology Researched: %1!")
                                      .arg(cfg->name);
                    addFloatingText(msg, city.worldPos + QVector3D(0.0f, 0.0f, 1.5f), QColor(60, 220, 255), 3.5f);
                    break;
                }
            }
        } else {
            player.techProgress[activeId] = curProg + remainingScienceToApply;
            remainingScienceToApply = 0;
        }
    }
}

QStringList GameManager::getTechUnlocks(const QString &techId) const
{
    QStringList unlocks;
    if (techId.isEmpty()) return unlocks;

    const auto &buildings = m_buildingConfigManager.getAllBuildings();
    for (auto it = buildings.begin(); it != buildings.end(); ++it) {
        if (it.value().requiredTech == techId) {
            unlocks.append(it.value().name);
        }
    }

    const auto &units = m_unitConfigManager.getAllConfigs();
    for (auto it = units.begin(); it != units.end(); ++it) {
        if (it.value().requiredTech == techId) {
            unlocks.append(it.value().name);
        }
    }
    return unlocks;
}

QStringList GameManager::getTechObsoletes(const QString &techId) const
{
    QStringList obsoletes;
    if (techId.isEmpty()) return obsoletes;

    const auto &buildings = m_buildingConfigManager.getAllBuildings();
    for (auto it = buildings.begin(); it != buildings.end(); ++it) {
        if (it.value().obsoleteTech == techId) {
            obsoletes.append(it.value().name);
        }
    }

    const auto &units = m_unitConfigManager.getAllConfigs();
    for (auto it = units.begin(); it != units.end(); ++it) {
        if (it.value().obsoleteTech == techId) {
            obsoletes.append(it.value().name);
        }
    }
    return obsoletes;
}

Unit* GameManager::getSelectedUnit()
{
    return getUnitById(m_selectedUnitId);
}

const Unit* GameManager::getSelectedUnit() const
{
    for (const auto &u : m_units) {
        if (u->id == m_selectedUnitId) return u.get();
    }
    return nullptr;
}

void GameManager::selectUnit(int id)
{
    m_selectedUnitId = id;
    m_activeCityViewId = -1; // Close city view when unit is selected
    m_actionMode = ActionMode::None;
}

void GameManager::deselectUnit()
{
    m_selectedUnitId = -1;
    m_actionMode = ActionMode::None;
}

Unit* GameManager::getUnitAt(int tx, int ty)
{
    for (auto &u : m_units) {
        if (!u->isDead() && u->tileX == tx && u->tileY == ty) {
            return u.get();
        }
    }
    return nullptr;
}

Unit* GameManager::getUnitById(int id)
{
    for (auto &u : m_units) {
        if (u->id == id && !u->isDead()) return u.get();
    }
    return nullptr;
}

City* GameManager::getCityAt(int tx, int ty)
{
    for (auto &c : m_cities) {
        if (c.tileX == tx && c.tileY == ty) return &c;
    }
    return nullptr;
}

City* GameManager::getCityById(int id)
{
    for (auto &c : m_cities) {
        if (c.id == id) return &c;
    }
    return nullptr;
}

City* GameManager::getActiveCityView()
{
    return getCityById(m_activeCityViewId);
}

const City* GameManager::getActiveCityView() const
{
    for (const auto &c : m_cities) {
        if (c.id == m_activeCityViewId) return &c;
    }
    return nullptr;
}

void GameManager::enterCityView(int cityId)
{
    m_activeCityViewId = cityId;
    m_isTechTreeOpen = false;
    m_selectedUnitId = -1;
    m_actionMode = ActionMode::None;
}

void GameManager::exitCityView()
{
    m_activeCityViewId = -1;
}

QMap<QString, int> GameManager::getTileYields(int tx, int ty, Matrix2D<TerrainPoint> *mapPoints, int numPoints05) const
{
    QMap<QString, int> yields;
    const CityConfig &cCfg = TerrainYieldManager::instance().getCityConfig();
    QStringList resources = cCfg.resourcePriority;
    if (resources.isEmpty()) {
        resources = QStringList{"voedsel", "arbeid", "goud", "kennis", "cultuur", "geloof"};
    }

    QString tType = TerrainYieldManager::instance().getTerrainType(tx, ty, mapPoints, numPoints05);
    const TerrainYieldConfig *yCfg = TerrainYieldManager::instance().getYieldConfig(tType);
    const TileImprovement *imp = getImprovementAt(tx, ty);
    const ImprovementConfig *iCfg = imp ? TerrainYieldManager::instance().getImprovementConfig(imp->improvementId) : nullptr;

    for (const QString &res : resources) {
        int amount = yCfg ? yCfg->getYield(res) : 0;
        if (iCfg && iCfg->yieldBonus.contains(res)) {
            amount += iCfg->yieldBonus.value(res, 0);
        }
        yields[res] = amount;
    }
    return yields;
}

int GameManager::getTileYield(int tx, int ty, const QString &res, Matrix2D<TerrainPoint> *mapPoints, int numPoints05) const
{
    QString tType = TerrainYieldManager::instance().getTerrainType(tx, ty, mapPoints, numPoints05);
    const TerrainYieldConfig *yCfg = TerrainYieldManager::instance().getYieldConfig(tType);
    int amount = yCfg ? yCfg->getYield(res) : 0;
    const TileImprovement *imp = getImprovementAt(tx, ty);
    if (imp) {
        const ImprovementConfig *iCfg = TerrainYieldManager::instance().getImprovementConfig(imp->improvementId);
        if (iCfg && iCfg->yieldBonus.contains(res)) {
            amount += iCfg->yieldBonus.value(res, 0);
        }
    }
    return amount;
}

QString GameManager::getBestTileResource(int tx, int ty, Matrix2D<TerrainPoint> *mapPoints, int numPoints05) const
{
    const CityConfig &cCfg = TerrainYieldManager::instance().getCityConfig();
    QStringList priority = cCfg.resourcePriority;
    if (priority.isEmpty()) {
        priority = QStringList{"voedsel", "arbeid", "goud", "kennis", "cultuur", "geloof"};
    }

    QMap<QString, int> yields = getTileYields(tx, ty, mapPoints, numPoints05);
    QString bestRes = priority.first();
    int maxYield = -1;

    for (const QString &res : priority) {
        int y = yields.value(res, 0);
        if (y > maxYield) {
            maxYield = y;
            bestRes = res;
        }
    }
    return bestRes;
}

CityYieldSummary GameManager::calculateCityYields(const City &city, Matrix2D<TerrainPoint> *mapPoints, int numPoints05) const
{
    CityYieldSummary summary;
    const CityConfig &cCfg = TerrainYieldManager::instance().getCityConfig();

    // Base yields for every city per tick
    summary.food += cCfg.getBaseYield("voedsel");
    summary.labor += cCfg.getBaseYield("arbeid");
    summary.science += cCfg.getBaseYield("kennis");
    summary.culture += cCfg.getBaseYield("cultuur");
    summary.faith += cCfg.getBaseYield("geloof");
    summary.gold += cCfg.getBaseYield("goud");

    // Additional yields from worked tiles
    for (const auto &pair : city.workedTiles) {
        int tx = pair.first.first;
        int ty = pair.first.second;
        QString assignedRes = pair.second;

        int amount = getTileYield(tx, ty, assignedRes, mapPoints, numPoints05);

        if (assignedRes == "voedsel") summary.food += amount;
        else if (assignedRes == "arbeid") summary.labor += amount;
        else if (assignedRes == "kennis") summary.science += amount;
        else if (assignedRes == "cultuur") summary.culture += amount;
        else if (assignedRes == "geloof") summary.faith += amount;
        else if (assignedRes == "goud") summary.gold += amount;
    }

    // Additional yields and multipliers from completed city buildings
    float totalFoodMultiplier = 1.0f;
    for (const QString &bId : city.completedBuildings) {
        const BuildingConfig *bCfg = m_buildingConfigManager.getBuilding(bId);
        if (!bCfg) continue;

        summary.food += bCfg->foodBonus;
        summary.labor += bCfg->laborBonus;
        summary.science += bCfg->scienceBonus;
        summary.culture += bCfg->cultureBonus;
        summary.faith += bCfg->faithBonus;
        summary.gold += bCfg->goldBonus;

        if (bCfg->foodModifier > 0.0f) {
            totalFoodMultiplier += bCfg->foodModifier;
        }
    }

    if (totalFoodMultiplier != 1.0f) {
        summary.food = (int)std::round(summary.food * totalFoodMultiplier);
    }

    return summary;
}

void GameManager::processTickYields(Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    const CityConfig &cfg = TerrainYieldManager::instance().getCityConfig();
    QMap<int, int> playerTickScience;

    for (auto &city : m_cities) {
        CityYieldSummary yields = calculateCityYields(city, mapPoints, numPoints05);

        // 1. Food is converted into inhabitants:
        int foodGrown = (int)std::round(yields.food * cfg.foodToInhabitantsRatio);
        city.inhabitants += foodGrown;

        // 2. Labor contributes to active project or accumulates locally:
        if (city.hasActiveProject()) {
            city.currentProject.currentLabor += yields.labor;
            if (city.currentProject.currentLabor >= city.currentProject.laborCost) {
                completeCityProject(city, mapPoints, numPoints05);
            }
        } else {
            city.accumulatedLabor += yields.labor;
        }

        // 3. National resources go to the owner player (science is applied to research, not stockpiled):
        Player *owner = m_playerManager.getPlayer(city.playerId);
        if (owner) {
            owner->culture += yields.culture;
            owner->faith += yields.faith;
            owner->gold += yields.gold;
            playerTickScience[city.playerId] += yields.science;
        }

        // Floating growth text over city
        QVector3D ftPos = city.worldPos + QVector3D(0.0f, 0.0f, 1.1f);
        QString growthMsg = Localization::instance().get(
            "ui.city.growth_float", "+%1 Inhabitants | +%2 Culture")
            .arg(foodGrown).arg(yields.culture);
        addFloatingText(growthMsg, ftPos, QColor(100, 255, 140), 2.5f);
    }

    // 4. Apply generated science per tick directly to each player's active research queue
    for (auto &player : m_playerManager.getPlayersMutable()) {
        int generatedSci = playerTickScience.value(player.id, 0);
        player.science = generatedSci;
        advancePlayerResearch(player, generatedSci);
    }
}

bool GameManager::isTileOwned(int tx, int ty, int *outOwnerCityId) const
{
    for (const auto &c : m_cities) {
        if (c.ownsTile(tx, ty)) {
            if (outOwnerCityId) *outOwnerCityId = c.id;
            return true;
        }
    }
    return false;
}

bool GameManager::buyTileForCity(int cityId, int tx, int ty)
{
    City *city = getCityById(cityId);
    if (!city) return false;

    // Check if tile is already owned by any city
    int existingOwnerId = -1;
    if (isTileOwned(tx, ty, &existingOwnerId)) {
        return false;
    }

    const CityConfig &cfg = TerrainYieldManager::instance().getCityConfig();

    // Check distance (must be within max workable radius)
    int dist = Pathfinder::hexDistance(city->tileX, city->tileY, tx, ty);
    if (dist > cfg.maxWorkableRadius) {
        return false;
    }

    // Check culture cost
    Player *player = m_playerManager.getPlayer(city->playerId);
    if (!player) return false;

    int cost = cfg.tileCultureCost;
    if (player->culture < cost) {
        QVector2D w = Pathfinder::hexToWorld(tx, ty);
        QString notEnough = Localization::instance().get("ui.city.not_enough_culture", "Not enough Culture! (%1 needed)").arg(cost);
        addFloatingText(notEnough, QVector3D(w.x(), w.y(), 0.8f), QColor(255, 90, 90), 2.0f);
        return false;
    }

    // Deduct culture and claim tile
    player->culture -= cost;
    city->addTerritory(tx, ty);

    QVector2D w = Pathfinder::hexToWorld(tx, ty);
    QString boughtMsg = Localization::instance().get("ui.unit.tile_purchased", "Tile purchased! (-%1 Culture)").arg(cost);
    addFloatingText(boughtMsg, QVector3D(w.x(), w.y(), 0.8f), QColor(210, 120, 255), 2.5f);
    return true;
}

void GameManager::queueCityProject(int cityId, CityProjectType type, const QString &id)
{
    City *city = getCityById(cityId);
    if (!city) return;

    const Player *player = m_playerManager.getPlayer(city->playerId);
    const CityConfig &cCfg = TerrainYieldManager::instance().getCityConfig();
    int maxQueue = cCfg.maxProductionQueueSize;

    if (type == CityProjectType::Unit) {
        const UnitConfig *uCfg = m_unitConfigManager.getConfig(id);
        if (!uCfg) return;

        if (player) {
            if (!player->isItemUnlocked(uCfg->requiredTech)) {
                const TechConfig *tCfg = m_techTreeManager.getTech(uCfg->requiredTech);
                QString tName = tCfg ? tCfg->name : uCfg->requiredTech;
                QString msg = Localization::instance().get("ui.city.requires_tech", "%1 requires technology: %2!")
                                  .arg(uCfg->name).arg(tName);
                addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(255, 100, 100), 2.2f);
                return;
            }
            if (player->isItemObsolete(uCfg->obsoleteTech)) {
                QString msg = Localization::instance().get("ui.city.obsolete_item", "%1 is obsolete and can no longer be built!")
                                  .arg(uCfg->name);
                addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(255, 100, 100), 2.2f);
                return;
            }
        }

        if (!city->hasActiveProject()) {
            city->startProject(CityProjectType::Unit, id, uCfg->name, uCfg->laborCost);
            QString msg = Localization::instance().get("ui.city.project_started", "%1: Started %2")
                              .arg(city->name).arg(uCfg->name);
            addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(255, 230, 80), 2.5f);
        } else {
            if ((int)city->projectQueue.size() >= maxQueue) {
                QString msg = Localization::instance().get("ui.city.queue_full_float", "Production queue is full! (Max %1)").arg(maxQueue);
                addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(255, 100, 100), 2.0f);
                return;
            }
            city->queueProject(CityProjectType::Unit, id, uCfg->name, uCfg->laborCost, "center", maxQueue);
            int pos = (int)city->projectQueue.size();
            QString msg = Localization::instance().get("ui.city.project_queued", "%1: Added %2 to queue (#%3)")
                              .arg(city->name).arg(uCfg->name).arg(pos);
            addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(100, 200, 255), 2.2f);
        }
    } else if (type == CityProjectType::Building) {
        const BuildingConfig *bCfg = m_buildingConfigManager.getBuilding(id);
        if (!bCfg) return;

        if (city->hasBuilding(id)) {
            QString msg = Localization::instance().get("ui.city.already_built", "%1 already built in this city!").arg(bCfg->name);
            addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(255, 100, 100), 2.2f);
            return;
        }

        if (player) {
            if (!player->isItemUnlocked(bCfg->requiredTech)) {
                const TechConfig *tCfg = m_techTreeManager.getTech(bCfg->requiredTech);
                QString tName = tCfg ? tCfg->name : bCfg->requiredTech;
                QString msg = Localization::instance().get("ui.city.requires_tech", "%1 requires technology: %2!")
                                  .arg(bCfg->name).arg(tName);
                addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(255, 100, 100), 2.2f);
                return;
            }
            if (player->isItemObsolete(bCfg->obsoleteTech)) {
                QString msg = Localization::instance().get("ui.city.obsolete_item", "%1 is obsolete and can no longer be built!")
                                  .arg(bCfg->name);
                addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(255, 100, 100), 2.2f);
                return;
            }
        }

        if (city->isBuildingQueuedOrBuilt(id)) {
            QString msg = Localization::instance().get("ui.city.already_queued", "%1 is already in the production queue!").arg(bCfg->name);
            addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(255, 160, 60), 2.2f);
            return;
        }

        if (!city->hasActiveProject()) {
            city->startProject(CityProjectType::Building, id, bCfg->name, bCfg->laborCost, bCfg->district);
            QString msg = Localization::instance().get("ui.city.project_started", "%1: Started %2")
                              .arg(city->name).arg(bCfg->name);
            addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(255, 230, 80), 2.5f);
        } else {
            if ((int)city->projectQueue.size() >= maxQueue) {
                QString msg = Localization::instance().get("ui.city.queue_full_float", "Production queue is full! (Max %1)").arg(maxQueue);
                addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(255, 100, 100), 2.0f);
                return;
            }
            city->queueProject(CityProjectType::Building, id, bCfg->name, bCfg->laborCost, bCfg->district, maxQueue);
            int pos = (int)city->projectQueue.size();
            QString msg = Localization::instance().get("ui.city.project_queued", "%1: Added %2 to queue (#%3)")
                              .arg(city->name).arg(bCfg->name).arg(pos);
            addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(100, 200, 255), 2.2f);
        }
    }
}

void GameManager::setCityProject(int cityId, CityProjectType type, const QString &id)
{
    queueCityProject(cityId, type, id);
}

void GameManager::cancelCityProject(int cityId)
{
    City *city = getCityById(cityId);
    if (!city || !city->hasActiveProject()) return;

    QString cancelledName = city->currentProject.name;
    city->cancelActiveProject();

    QString msg = Localization::instance().get("ui.city.project_cancelled", "%1: Cancelled %2").arg(city->name).arg(cancelledName);
    addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(255, 180, 80), 2.0f);

    if (city->hasActiveProject()) {
        QString nextMsg = Localization::instance().get("ui.city.project_started", "%1: Started %2")
                              .arg(city->name).arg(city->currentProject.name);
        addFloatingText(nextMsg, city->worldPos + QVector3D(0.0f, 0.0f, 1.4f), QColor(255, 230, 80), 2.5f);
    }
}

void GameManager::removeQueuedCityProject(int cityId, int queueIndex)
{
    City *city = getCityById(cityId);
    if (!city) return;

    if (queueIndex >= 0 && queueIndex < (int)city->projectQueue.size()) {
        QString itemName = city->projectQueue[queueIndex].name;
        city->removeQueuedProject(queueIndex);
        QString msg = Localization::instance().get("ui.city.queued_item_removed", "%1: Removed %2 from queue")
                          .arg(city->name).arg(itemName);
        addFloatingText(msg, city->worldPos + QVector3D(0.0f, 0.0f, 1.2f), QColor(255, 170, 80), 2.0f);
    }
}

void GameManager::completeCityProject(City &city, Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    if (!city.hasActiveProject()) return;

    if (city.currentProject.type == CityProjectType::Unit) {
        QString unitId = city.currentProject.id;
        const UnitConfig *uCfg = m_unitConfigManager.getConfig(unitId);

        // Find spawn location: city center or adjacent empty hex
        int spawnX = city.tileX;
        int spawnY = city.tileY;

        if (getUnitAt(spawnX, spawnY) != nullptr) {
            for (int e = 0; e < 6; ++e) {
                int nx, ny;
                getHexNeighbor(city.tileX, city.tileY, e, nx, ny);
                if (nx >= 0 && nx < MAP_WIDTH && ny >= 0 && ny < MAP_HEIGHT) {
                    if (getUnitAt(nx, ny) == nullptr &&
                        TerrainMovementManager::instance().isHexPassable(nx, ny, uCfg ? uCfg->movementDomain : MovementDomain::Land, mapPoints, numPoints05, uCfg)) {
                        spawnX = nx;
                        spawnY = ny;
                        break;
                    }
                }
            }
        }

        Unit *spawned = spawnUnit(unitId, city.playerId, spawnX, spawnY, mapPoints, numPoints05);
        QString unitName = spawned ? spawned->config.name : (uCfg ? uCfg->name : unitId);
        QString msg = Localization::instance().get("ui.city.unit_trained", "%1: %2 trained!")
                          .arg(city.name).arg(unitName);
        addFloatingText(msg, city.worldPos + QVector3D(0.0f, 0.0f, 1.3f), QColor(80, 255, 140), 3.0f);

    } else if (city.currentProject.type == CityProjectType::Building) {
        QString bId = city.currentProject.id;
        city.addBuilding(bId);

        const BuildingConfig *bCfg = m_buildingConfigManager.getBuilding(bId);
        QString bName = bCfg ? bCfg->name : bId;
        const DistrictConfig *dCfg = m_buildingConfigManager.getDistrict(bCfg ? bCfg->district : "center");
        QString dName = dCfg ? dCfg->name : "City Center";

        QString msg = Localization::instance().get("ui.city.building_completed", "%1: %2 completed in %3!")
                          .arg(city.name).arg(bName).arg(dName);
        addFloatingText(msg, city.worldPos + QVector3D(0.0f, 0.0f, 1.3f), QColor(80, 240, 255), 3.5f);
    }

    int excess = city.currentProject.currentLabor - city.currentProject.laborCost;
    city.advanceQueue();

    if (city.hasActiveProject() && excess > 0) {
        city.currentProject.currentLabor += excess;
        if (city.currentProject.currentLabor >= city.currentProject.laborCost) {
            completeCityProject(city, mapPoints, numPoints05);
        }
    } else {
        city.accumulatedLabor += std::max(0, excess);
    }
}

void GameManager::getPlannedOriginTile(const Unit &unit, bool appendWithShift, int &outX, int &outY) const
{
    if (appendWithShift && !unit.actionQueue.empty()) {
        outX = unit.actionQueue.back().targetX;
        outY = unit.actionQueue.back().targetY;
        return;
    }
    if (unit.currentAction.isValid() && unit.currentAction.targetX >= 0 && unit.currentAction.targetY >= 0) {
        outX = unit.currentAction.targetX;
        outY = unit.currentAction.targetY;
        return;
    }
    if (unit.hasRoadRoute()) {
        outX = unit.roadRoute.back().first;
        outY = unit.roadRoute.back().second;
        return;
    }
    if (unit.state == UnitState::Moving && !unit.path.empty()) {
        outX = unit.path.back().first;
        outY = unit.path.back().second;
        return;
    }
    outX = unit.tileX;
    outY = unit.tileY;
}

bool GameManager::scheduleOrStartUnitAction(Unit &unit, const UnitAction &action, bool appendWithShift,
                                            Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    if (!appendWithShift) {
        // Without Shift: cancel everything queued after the current action
        // (the current action itself is executed completely, and the new action is scheduled right after it)
        unit.clearActionQueue();
    }

    if (!unit.hasActiveAction()) {
        return startUnitAction(unit, action, mapPoints, numPoints05);
    }

    if (!m_allowActionQueueing) {
        addFloatingText(Localization::instance().get("ui.unit.busy", "Unit is busy!"),
                        unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100));
        return false;
    }

    if (!unit.queueAction(action)) {
        addFloatingText(Localization::instance().get("ui.unit.queue_full", "Action queue full!"),
                        unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100));
        return false;
    }

    QString summary = unit.getActionSummary(action);
    QVector2D w = Pathfinder::hexToWorld(action.targetX, action.targetY);
    float gz = Unit::getTerrainHeight(w.x(), w.y(), mapPoints, numPoints05);
    if (appendWithShift) {
        int pos = (int)unit.actionQueue.size();
        QString msg = Localization::instance().get("ui.unit.action_queued_count", "%1 added to queue (#%2)")
                          .arg(summary).arg(pos);
        addFloatingText(msg, QVector3D(w.x(), w.y(), gz + 0.9f), QColor(100, 220, 255), 2.2f);
    } else {
        QString msg = Localization::instance().get("ui.unit.action_scheduled_after_current", "%1 scheduled after current action")
                          .arg(summary);
        addFloatingText(msg, QVector3D(w.x(), w.y(), gz + 0.9f), QColor(255, 220, 90), 2.2f);
    }
    return true;
}

bool GameManager::startUnitAction(Unit &unit, const UnitAction &action,
                                  Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    if (unit.isDead() || !action.isValid()) {
        return false;
    }

    unit.currentAction = action;

    switch (action.type) {
    case UnitActionType::Move: {
        int tx = action.targetX;
        int ty = action.targetY;
        if (tx == unit.tileX && ty == unit.tileY) {
            unit.currentAction = UnitAction();
            return false;
        }
        if (!TerrainMovementManager::instance().isHexPassable(
                tx, ty, unit.config.movementDomain, mapPoints, numPoints05, &unit.config)) {
            if (unit.isNaval()) {
                addFloatingText(Localization::instance().get("ui.unit.naval_only_water", "Ships can only sail on water!"),
                                unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100), 2.5f);
            } else {
                addFloatingText(Localization::instance().get("ui.unit.impassable_terrain", "Impassable terrain!"),
                                unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100), 2.5f);
            }
            unit.currentAction = UnitAction();
            return false;
        }

        std::vector<std::pair<int, int>> path = Pathfinder::findPath(
            unit.tileX, unit.tileY, tx, ty, mapPoints, numPoints05,
            unit.config.movementDomain, &unit.config
        );

        if (path.size() > 1) {
            unit.setPath(path);
            addFloatingText(Localization::instance().get("ui.unit.moving", "Moving"),
                            unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 230, 80));
            return true;
        } else {
            addFloatingText(Localization::instance().get("ui.unit.no_path", "No reachable path!"),
                            unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100), 2.5f);
            unit.currentAction = UnitAction();
            return false;
        }
    }
    case UnitActionType::BuildImprovement:
    case UnitActionType::BuildCity:
    case UnitActionType::Attack: {
        continueCurrentUnitAction(unit, mapPoints, numPoints05);
        return unit.currentAction.isValid() || unit.state != UnitState::Idle || unit.isDead();
    }
    case UnitActionType::BuildRoad: {
        int tx = action.targetX;
        int ty = action.targetY;
        if (!TerrainMovementManager::instance().isHexPassable(
                tx, ty, MovementDomain::Land, mapPoints, numPoints05, &unit.config)) {
            addFloatingText(Localization::instance().get("ui.unit.cannot_build_road_water", "Roads cannot be built on water!"),
                            unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 80, 80));
            unit.currentAction = UnitAction();
            return false;
        }

        std::vector<std::pair<int, int>> route;
        if (unit.tileX == tx && unit.tileY == ty) {
            if (hasRoadAt(tx, ty)) {
                addFloatingText(Localization::instance().get("ui.unit.road_already_here", "Tile already has a road!"),
                                unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 90, 90));
                unit.currentAction = UnitAction();
                return false;
            }
            route.push_back({tx, ty});
        } else {
            route = Pathfinder::findPath(
                unit.tileX, unit.tileY, tx, ty,
                mapPoints, numPoints05, MovementDomain::Land, &unit.config
            );
        }

        if (route.empty()) {
            addFloatingText(Localization::instance().get("ui.unit.no_path", "No reachable path!"),
                            unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 90, 90));
            unit.currentAction = UnitAction();
            return false;
        }

        unit.startRoadRoute(route);
        if (route.size() > 1) {
            addFloatingText(Localization::instance().get("ui.unit.road_route_started", "Building road route to (%1, %2)...").arg(tx).arg(ty),
                            unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 220, 80), 2.2f);
        }
        advanceRoadRoute(unit, mapPoints, numPoints05);
        return true;
    }
    default:
        unit.currentAction = UnitAction();
        return false;
    }
}

void GameManager::continueCurrentUnitAction(Unit &unit, Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    if (unit.isDead() || unit.state != UnitState::Idle || !unit.currentAction.isValid()) {
        return;
    }

    UnitAction action = unit.currentAction;

    switch (action.type) {
    case UnitActionType::Move: {
        // Movement finished
        unit.currentAction = UnitAction();
        break;
    }
    case UnitActionType::BuildImprovement: {
        if (!unit.config.canBuildFarm()) {
            unit.currentAction = UnitAction();
            return;
        }
        if (!unit.config.infiniteCharges && unit.buildCharges <= 0) {
            addFloatingText(Localization::instance().get("ui.unit.no_build_charges", "No build charges remaining!"),
                            unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 90, 90));
            unit.currentAction = UnitAction();
            return;
        }

        int tx = action.targetX;
        int ty = action.targetY;
        QString impId = action.extraData.isEmpty() ? "farm" : action.extraData;

        if (hasImprovementAt(tx, ty)) {
            addFloatingText(Localization::instance().get("ui.unit.tile_occupied", "Tile already has an improvement!"),
                            unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 90, 90));
            unit.currentAction = UnitAction();
            return;
        }

        QString tType = TerrainYieldManager::instance().getTerrainType(tx, ty, mapPoints, numPoints05);
        const ImprovementConfig *farmCfg = TerrainYieldManager::instance().getImprovementConfig(impId);
        QStringList validTerrains = farmCfg ? farmCfg->validTerrains : QStringList{"grasland", "tundra"};

        if (!validTerrains.contains(tType)) {
            QString validStr = validTerrains.join(", ");
            addFloatingText(Localization::instance().get("ui.unit.cannot_build_here", "Cannot build here! Allowed on: %1").arg(validStr),
                            unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 80, 80));
            unit.currentAction = UnitAction();
            return;
        }

        // First move onto the target tile if not standing on it yet
        if (unit.tileX != tx || unit.tileY != ty) {
            std::vector<std::pair<int, int>> path = Pathfinder::findPath(
                unit.tileX, unit.tileY, tx, ty, mapPoints, numPoints05,
                unit.config.movementDomain, &unit.config
            );
            if (path.size() > 1) {
                unit.setPath(path);
                addFloatingText(Localization::instance().get("ui.unit.moving_to_build_farm", "Moving to build Farm at (%1, %2)...").arg(tx).arg(ty),
                                unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 220, 80), 2.0f);
            } else {
                addFloatingText(Localization::instance().get("ui.unit.no_path", "No reachable path!"),
                                unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100), 2.5f);
                unit.currentAction = UnitAction();
            }
            return;
        }

        // Unit is on the target tile: start constructing the improvement
        float ticks = unit.config.getActionDuration("boerderij_bouwen", 2.0f);
        float duration = ticks * m_movementTickDuration;
        unit.startBuilding(impId, duration);
        addFloatingText(Localization::instance().get("ui.unit.farm_started", "Constructing Farm... (%1 ticks)").arg(ticks, 0, 'g', 3),
                        unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 220, 80), 2.0f);
        break;
    }
    case UnitActionType::BuildCity: {
        if (!unit.config.canBuildCity()) {
            unit.currentAction = UnitAction();
            return;
        }

        int tx = action.targetX;
        int ty = action.targetY;

        if (getCityAt(tx, ty) != nullptr) {
            addFloatingText(Localization::instance().get("ui.unit.city_already_here", "A city already exists here!"),
                            unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 80, 80));
            unit.currentAction = UnitAction();
            return;
        }

        // First move onto the target tile if not standing on it yet
        if (unit.tileX != tx || unit.tileY != ty) {
            std::vector<std::pair<int, int>> path = Pathfinder::findPath(
                unit.tileX, unit.tileY, tx, ty, mapPoints, numPoints05,
                unit.config.movementDomain, &unit.config
            );
            if (path.size() > 1) {
                unit.setPath(path);
                addFloatingText(Localization::instance().get("ui.unit.moving_to_build_city", "Moving to found City at (%1, %2)...").arg(tx).arg(ty),
                                unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 220, 80), 2.0f);
            } else {
                addFloatingText(Localization::instance().get("ui.unit.no_path", "No reachable path!"),
                                unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100), 2.5f);
                unit.currentAction = UnitAction();
            }
            return;
        }

        // Unit is on the target tile: found the city!
        const CityConfig &cCfg = TerrainYieldManager::instance().getCityConfig();
        int cId = getNextCityId();
        QString cityName = QString("City %1").arg(cId);
        QVector2D w = Pathfinder::hexToWorld(tx, ty);
        float gz = Unit::getTerrainHeight(w.x(), w.y(), mapPoints, numPoints05);

        City newCity(cId, unit.playerId, cityName, tx, ty,
                     QVector3D(w.x(), w.y(), gz),
                     cCfg.initialInhabitants, cCfg.inhabitantsPerPop, cCfg.initialBorderRadius);

        QString defRes = getBestTileResource(tx, ty, mapPoints, numPoints05);
        newCity.assignWorker(tx, ty, defRes);

        m_cities.push_back(newCity);
        addFloatingText(Localization::instance().get("ui.unit.city_founded", "%1 founded!").arg(cityName),
                        QVector3D(w.x(), w.y(), gz + 1.2f), QColor(80, 255, 120), 2.5f);

        unit.currentAction = UnitAction();
        unit.takeDamage(99999.0f);
        if (unit.id == m_selectedUnitId) {
            m_selectedUnitId = -1;
            m_actionMode = ActionMode::None;
        }
        break;
    }
    case UnitActionType::Attack: {
        Unit *target = getUnitById(action.targetUnitId);
        if (!target || target->isDead() || target->playerId == unit.playerId || !unit.config.canAttack()) {
            unit.currentAction = UnitAction();
            return;
        }

        int dist = Pathfinder::hexDistance(unit.tileX, unit.tileY, target->tileX, target->tileY);
        if (dist <= unit.config.attackRange) {
            // Within range: execute attack!
            float damage = (float)unit.config.attackDamage;
            unit.performAttack(*target);

            QString dmgText = QString("-%1 HP").arg((int)damage);
            addFloatingText(dmgText, target->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 50, 50));

            if (target->isDead()) {
                addFloatingText(Localization::instance().get("ui.unit.defeated", "Defeated!"),
                                target->worldPos + QVector3D(0, 0, 1.2f), QColor(255, 200, 50), 2.2f);
            }
            unit.currentAction = UnitAction();
            return;
        }

        // Out of range: move into attackRange first
        if (!mapPoints) {
            unit.currentAction = UnitAction();
            return;
        }

        std::vector<std::pair<int, int>> fullPath = Pathfinder::findPath(
            unit.tileX, unit.tileY, target->tileX, target->tileY,
            mapPoints, numPoints05, unit.config.movementDomain, &unit.config
        );
        std::vector<std::pair<int, int>> approachPath;
        for (const auto &wp : fullPath) {
            approachPath.push_back(wp);
            if (Pathfinder::hexDistance(wp.first, wp.second, target->tileX, target->tileY) <= unit.config.attackRange) {
                break;
            }
        }

        if (approachPath.size() > 1) {
            unit.currentAction.targetX = approachPath.back().first;
            unit.currentAction.targetY = approachPath.back().second;
            unit.setPath(approachPath);
            addFloatingText(Localization::instance().get("ui.unit.moving_to_attack", "Moving into attack range..."),
                            unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 190, 80), 2.0f);
        } else {
            addFloatingText(Localization::instance().get("ui.unit.no_path", "No reachable path!"),
                            unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100), 2.5f);
            unit.currentAction = UnitAction();
        }
        break;
    }
    case UnitActionType::BuildRoad: {
        if (!unit.hasRoadRoute()) {
            unit.currentAction = UnitAction();
        }
        break;
    }
    default:
        unit.currentAction = UnitAction();
        break;
    }
}

bool GameManager::commandMoveSelected(int targetX, int targetY, Matrix2D<TerrainPoint> *mapPoints, int numPoints05, bool appendWithShift)
{
    Unit *selected = getSelectedUnit();
    if (!selected) return false;

    int originX = selected->tileX;
    int originY = selected->tileY;
    getPlannedOriginTile(*selected, appendWithShift, originX, originY);

    if (targetX == originX && targetY == originY) {
        if (!appendWithShift && selected->hasQueuedAction()) {
            selected->clearActionQueue();
            addFloatingText(Localization::instance().get("ui.unit.queue_cleared", "Queued actions cancelled"),
                            selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 180, 80));
            return true;
        }
        return false;
    }

    if (!TerrainMovementManager::instance().isHexPassable(
            targetX, targetY, selected->config.movementDomain, mapPoints, numPoints05, &selected->config)) {
        if (selected->isNaval()) {
            addFloatingText(Localization::instance().get("ui.unit.naval_only_water", "Ships can only sail on water!"),
                            selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100), 2.5f);
        } else {
            addFloatingText(Localization::instance().get("ui.unit.impassable_terrain", "Impassable terrain!"),
                            selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100), 2.5f);
        }
        return false;
    }

    std::vector<std::pair<int, int>> path = Pathfinder::findPath(
        originX, originY, targetX, targetY, mapPoints, numPoints05,
        selected->config.movementDomain, &selected->config
    );

    if (path.size() <= 1) {
        addFloatingText(Localization::instance().get("ui.unit.no_path", "No reachable path!"),
                        selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100), 2.5f);
        return false;
    }

    return scheduleOrStartUnitAction(*selected, UnitAction(UnitActionType::Move, targetX, targetY),
                                     appendWithShift, mapPoints, numPoints05);
}

bool GameManager::commandAttack(Unit *target, Matrix2D<TerrainPoint> *mapPoints, int numPoints05, bool appendWithShift)
{
    Unit *selected = getSelectedUnit();
    if (!selected || !target || !selected->config.canAttack()) return false;
    if (target->playerId == selected->playerId || target->isDead()) return false;

    int originX = selected->tileX;
    int originY = selected->tileY;
    getPlannedOriginTile(*selected, appendWithShift, originX, originY);

    int dist = Pathfinder::hexDistance(originX, originY, target->tileX, target->tileY);
    int standX = originX;
    int standY = originY;

    if (dist > selected->config.attackRange) {
        if (!mapPoints) {
            addFloatingText(Localization::instance().get("ui.unit.out_of_range", "Out of range!"),
                            selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 80, 80));
            return false;
        }
        std::vector<std::pair<int, int>> path = Pathfinder::findPath(
            originX, originY, target->tileX, target->tileY,
            mapPoints, numPoints05, selected->config.movementDomain, &selected->config
        );
        if (path.size() <= 1) {
            addFloatingText(Localization::instance().get("ui.unit.no_path", "No reachable path!"),
                            selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100), 2.5f);
            return false;
        }
        for (const auto &wp : path) {
            if (Pathfinder::hexDistance(wp.first, wp.second, target->tileX, target->tileY) <= selected->config.attackRange) {
                standX = wp.first;
                standY = wp.second;
                break;
            }
        }
    }

    return scheduleOrStartUnitAction(*selected, UnitAction(UnitActionType::Attack, standX, standY, "", target->id),
                                     appendWithShift, mapPoints, numPoints05);
}

bool GameManager::commandBuildCityAtTileSelected(int targetX, int targetY, Matrix2D<TerrainPoint> *mapPoints, int numPoints05, bool appendWithShift)
{
    Unit *selected = getSelectedUnit();
    if (!selected || !selected->config.canBuildCity()) return false;

    if (getCityAt(targetX, targetY) != nullptr) {
        addFloatingText(Localization::instance().get("ui.unit.city_already_here", "A city already exists here!"),
                        selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 80, 80));
        return false;
    }

    if (!TerrainMovementManager::instance().isHexPassable(
            targetX, targetY, selected->config.movementDomain, mapPoints, numPoints05, &selected->config)) {
        addFloatingText(Localization::instance().get("ui.unit.impassable_terrain", "Impassable terrain!"),
                        selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100), 2.5f);
        return false;
    }

    int originX = selected->tileX;
    int originY = selected->tileY;
    getPlannedOriginTile(*selected, appendWithShift, originX, originY);

    if (targetX != originX || targetY != originY) {
        std::vector<std::pair<int, int>> path = Pathfinder::findPath(
            originX, originY, targetX, targetY, mapPoints, numPoints05,
            selected->config.movementDomain, &selected->config
        );
        if (path.size() <= 1) {
            addFloatingText(Localization::instance().get("ui.unit.no_path", "No reachable path!"),
                            selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100), 2.5f);
            return false;
        }
    }

    return scheduleOrStartUnitAction(*selected, UnitAction(UnitActionType::BuildCity, targetX, targetY),
                                     appendWithShift, mapPoints, numPoints05);
}

void GameManager::commandBuildCitySelected(Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    Unit *selected = getSelectedUnit();
    if (!selected) return;
    commandBuildCityAtTileSelected(selected->tileX, selected->tileY, mapPoints, numPoints05, false);
}

void GameManager::addFloatingText(const QString &text, const QVector3D &worldPos, const QColor &color, float duration)
{
    m_floatingTexts.push_back({text, worldPos, duration, duration, color});
}

const TileImprovement* GameManager::getImprovementAt(int tx, int ty) const
{
    auto it = m_tileImprovements.find({tx, ty});
    if (it != m_tileImprovements.end()) {
        return &it->second;
    }
    return nullptr;
}

bool GameManager::hasImprovementAt(int tx, int ty) const
{
    return m_tileImprovements.find({tx, ty}) != m_tileImprovements.end();
}

const TileRoad* GameManager::getRoadAt(int tx, int ty) const
{
    auto it = m_tileRoads.find({tx, ty});
    if (it != m_tileRoads.end()) {
        return &it->second;
    }
    return nullptr;
}

bool GameManager::hasRoadAt(int tx, int ty) const
{
    return m_tileRoads.find({tx, ty}) != m_tileRoads.end();
}

void GameManager::updateRoadConnections(int tx, int ty)
{
    auto it = m_tileRoads.find({tx, ty});
    if (it == m_tileRoads.end()) return;

    unsigned char mask = 0;
    for (int e = 0; e < 6; ++e) {
        int nx, ny;
        getHexNeighbor(tx, ty, e, nx, ny);
        if (nx >= 0 && nx < MAP_WIDTH && ny >= 0 && ny < MAP_HEIGHT) {
            auto nIt = m_tileRoads.find({nx, ny});
            if (nIt != m_tileRoads.end()) {
                mask |= (1 << e);
                // Also update the neighbor's opposite edge (e + 3) % 6
                nIt->second.connectionMask |= (1 << ((e + 3) % 6));
            }
        }
    }
    it->second.connectionMask = mask;
}

void GameManager::addRoad(int tx, int ty, int playerId, const QString &roadTypeId, Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    QVector2D w = Pathfinder::hexToWorld(tx, ty);
    float gz = Unit::getTerrainHeight(w.x(), w.y(), mapPoints, numPoints05);

    TileRoad road;
    road.roadTypeId = roadTypeId.isEmpty() ? m_roadConfigManager.defaultRoadType() : roadTypeId;
    road.tileX = tx;
    road.tileY = ty;
    road.playerId = playerId;
    road.worldPos = QVector3D(w.x(), w.y(), gz);
    road.connectionMask = 0;

    m_tileRoads[{tx, ty}] = road;
    updateRoadConnections(tx, ty);
}

void GameManager::removeRoad(int tx, int ty)
{
    auto it = m_tileRoads.find({tx, ty});
    if (it == m_tileRoads.end()) return;

    for (int e = 0; e < 6; ++e) {
        int nx, ny;
        getHexNeighbor(tx, ty, e, nx, ny);
        auto nIt = m_tileRoads.find({nx, ny});
        if (nIt != m_tileRoads.end()) {
            nIt->second.connectionMask &= ~(1 << ((e + 3) % 6));
        }
    }
    m_tileRoads.erase(it);
}

float GameManager::getRoadSpeedMultiplierBetween(int fromX, int fromY, int toX, int toY) const
{
    auto itFrom = m_tileRoads.find({fromX, fromY});
    auto itTo = m_tileRoads.find({toX, toY});

    if (itFrom != m_tileRoads.end() && itTo != m_tileRoads.end()) {
        const RoadTypeConfig *cfgFrom = m_roadConfigManager.getRoadType(itFrom->second.roadTypeId);
        const RoadTypeConfig *cfgTo = m_roadConfigManager.getRoadType(itTo->second.roadTypeId);
        float multFrom = cfgFrom ? cfgFrom->speedMultiplier : 1.30f;
        float multTo = cfgTo ? cfgTo->speedMultiplier : 1.30f;
        return std::min(multFrom, multTo);
    }
    return 1.0f;
}

bool GameManager::commandBuildFarmAtTileSelected(int targetX, int targetY, Matrix2D<TerrainPoint> *mapPoints, int numPoints05, bool appendWithShift)
{
    Unit *selected = getSelectedUnit();
    if (!selected || !selected->config.canBuildFarm()) return false;

    if (!selected->config.infiniteCharges) {
        int plannedFarms = 0;
        if (selected->currentAction.type == UnitActionType::BuildImprovement) {
            plannedFarms++;
        }
        if (appendWithShift) {
            for (const auto &act : selected->actionQueue) {
                if (act.type == UnitActionType::BuildImprovement) plannedFarms++;
            }
        }
        if (selected->buildCharges - plannedFarms <= 0) {
            addFloatingText(Localization::instance().get("ui.unit.no_build_charges", "No build charges remaining!"),
                            selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 90, 90));
            return false;
        }
    }

    bool alreadyPlannedHere = false;
    if (selected->currentAction.type == UnitActionType::BuildImprovement &&
        selected->currentAction.targetX == targetX && selected->currentAction.targetY == targetY) {
        alreadyPlannedHere = true;
    }
    if (appendWithShift && selected->hasQueuedImprovementAt(targetX, targetY)) {
        alreadyPlannedHere = true;
    }

    if (hasImprovementAt(targetX, targetY) || alreadyPlannedHere) {
        addFloatingText(Localization::instance().get("ui.unit.tile_occupied", "Tile already has an improvement!"),
                        selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 90, 90));
        return false;
    }

    QString tType = TerrainYieldManager::instance().getTerrainType(targetX, targetY, mapPoints, numPoints05);
    const ImprovementConfig *farmCfg = TerrainYieldManager::instance().getImprovementConfig("farm");
    QStringList validTerrains = farmCfg ? farmCfg->validTerrains : QStringList{"grasland", "tundra"};

    if (!validTerrains.contains(tType)) {
        QString validStr = validTerrains.join(", ");
        addFloatingText(Localization::instance().get("ui.unit.cannot_build_here", "Cannot build here! Allowed on: %1").arg(validStr),
                        selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 80, 80));
        return false;
    }

    int originX = selected->tileX;
    int originY = selected->tileY;
    getPlannedOriginTile(*selected, appendWithShift, originX, originY);

    if (targetX != originX || targetY != originY) {
        std::vector<std::pair<int, int>> path = Pathfinder::findPath(
            originX, originY, targetX, targetY, mapPoints, numPoints05,
            selected->config.movementDomain, &selected->config
        );
        if (path.size() <= 1) {
            addFloatingText(Localization::instance().get("ui.unit.no_path", "No reachable path!"),
                            selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 100, 100), 2.5f);
            return false;
        }
    }

    return scheduleOrStartUnitAction(*selected, UnitAction(UnitActionType::BuildImprovement, targetX, targetY, "farm"),
                                     appendWithShift, mapPoints, numPoints05);
}

void GameManager::commandBuildFarmSelected(Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    Unit *selected = getSelectedUnit();
    if (!selected) return;
    commandBuildFarmAtTileSelected(selected->tileX, selected->tileY, mapPoints, numPoints05, false);
}

void GameManager::commandBuildRoadSelected(Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    Unit *selected = getSelectedUnit();
    if (!selected) return;
    commandBuildRoadToTileSelected(selected->tileX, selected->tileY, mapPoints, numPoints05, false);
}

bool GameManager::commandBuildRoadToTileSelected(int targetX, int targetY, Matrix2D<TerrainPoint> *mapPoints, int numPoints05, bool appendWithShift)
{
    Unit *selected = getSelectedUnit();
    if (!selected || !selected->config.canBuildRoad()) return false;

    if (!TerrainMovementManager::instance().isHexPassable(
            targetX, targetY, MovementDomain::Land, mapPoints, numPoints05, &selected->config)) {
        addFloatingText(Localization::instance().get("ui.unit.cannot_build_road_water", "Roads cannot be built on water!"),
                        selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 80, 80));
        return false;
    }

    int originX = selected->tileX;
    int originY = selected->tileY;
    getPlannedOriginTile(*selected, appendWithShift, originX, originY);

    if (targetX == originX && targetY == originY) {
        if (hasRoadAt(targetX, targetY)) {
            addFloatingText(Localization::instance().get("ui.unit.road_already_here", "Tile already has a road!"),
                            selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 90, 90));
            return false;
        }
    } else {
        std::vector<std::pair<int, int>> route = Pathfinder::findPath(
            originX, originY, targetX, targetY,
            mapPoints, numPoints05, MovementDomain::Land, &selected->config
        );
        if (route.empty()) {
            addFloatingText(Localization::instance().get("ui.unit.no_path", "No reachable path!"),
                            selected->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 90, 90));
            return false;
        }
    }

    QString defaultType = m_roadConfigManager.defaultRoadType();
    return scheduleOrStartUnitAction(*selected, UnitAction(UnitActionType::BuildRoad, targetX, targetY, defaultType),
                                     appendWithShift, mapPoints, numPoints05);
}

void GameManager::advanceRoadRoute(Unit &unit, Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    if (!unit.hasRoadRoute()) return;

    while (unit.roadRouteIndex < unit.roadRoute.size()) {
        auto nextHex = unit.roadRoute[unit.roadRouteIndex];
        int tx = nextHex.first;
        int ty = nextHex.second;

        // If unit is not on this tile yet, move to it!
        if (unit.tileX != tx || unit.tileY != ty) {
            std::vector<std::pair<int, int>> stepPath = Pathfinder::findPath(
                unit.tileX, unit.tileY, tx, ty, mapPoints, numPoints05,
                MovementDomain::Land, &unit.config
            );
            if (stepPath.size() > 1) {
                unit.setPath(stepPath);
            } else {
                unit.setPath({ {unit.tileX, unit.tileY}, {tx, ty} });
            }
            unit.state = UnitState::Moving;
            return;
        }

        // Unit is on this tile! Does it already have a road?
        if (hasRoadAt(tx, ty)) {
            // Already has a road, skip to next tile along route
            unit.advanceRoadRouteStep();
            continue;
        }

        // Start building road on this tile
        QString defaultType = m_roadConfigManager.defaultRoadType();
        const RoadTypeConfig *rCfg = m_roadConfigManager.getRoadType(defaultType);
        QString roadName = rCfg ? rCfg->name : "Road";
        float ticks = unit.config.getActionDuration("build_road", (float)m_roadConfigManager.buildDurationTicks());
        float duration = ticks * m_movementTickDuration;
        unit.startBuilding(QString("road:%1").arg(defaultType), duration);
        addFloatingText(Localization::instance().get("ui.unit.road_started", "Constructing %1... (%2 ticks)").arg(roadName).arg(ticks, 0, 'g', 3),
                        unit.worldPos + QVector3D(0, 0, 0.8f), QColor(255, 220, 80), 2.0f);
        return;
    }

    // Finished entire route!
    unit.clearRoadRoute();
    if (unit.currentAction.type == UnitActionType::BuildRoad) {
        unit.currentAction = UnitAction();
    }
    QVector2D w = Pathfinder::hexToWorld(unit.tileX, unit.tileY);
    float gz = Unit::getTerrainHeight(w.x(), w.y(), mapPoints, numPoints05);
    addFloatingText(Localization::instance().get("ui.unit.road_route_completed", "Road route completed!"),
                    QVector3D(w.x(), w.y(), gz + 1.2f), QColor(100, 255, 140), 3.0f);
}

void GameManager::completeUnitBuilding(Unit &unit, Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    int tx = unit.tileX;
    int ty = unit.tileY;
    QString impId = unit.buildingImprovementId.isEmpty() ? "farm" : unit.buildingImprovementId;

    QVector2D w = Pathfinder::hexToWorld(tx, ty);
    float gz = Unit::getTerrainHeight(w.x(), w.y(), mapPoints, numPoints05);

    // Check if completing a road
    if (impId.startsWith("road")) {
        QString roadType = "dirt";
        if (impId.contains(":")) {
            roadType = impId.section(":", 1);
        }
        addRoad(tx, ty, unit.playerId, roadType, mapPoints, numPoints05);
        unit.cancelBuilding();

        const RoadTypeConfig *rCfg = m_roadConfigManager.getRoadType(roadType);
        QString roadName = rCfg ? rCfg->name : "Road";
        addFloatingText(Localization::instance().get("ui.unit.road_completed", "%1 completed!").arg(roadName),
                        QVector3D(w.x(), w.y(), gz + 1.2f), QColor(240, 210, 100), 2.8f);

        if (unit.hasRoadRoute()) {
            unit.advanceRoadRouteStep();
            advanceRoadRoute(unit, mapPoints, numPoints05);
        } else if (unit.currentAction.type == UnitActionType::BuildRoad) {
            unit.currentAction = UnitAction();
        }
        return;
    }

    if (hasImprovementAt(tx, ty)) {
        unit.cancelBuilding();
        if (unit.currentAction.type == UnitActionType::BuildImprovement) {
            unit.currentAction = UnitAction();
        }
        return;
    }

    // Place improvement now that it is completed!
    TileImprovement imp;
    imp.improvementId = impId;
    imp.tileX = tx;
    imp.tileY = ty;
    imp.playerId = unit.playerId;
    imp.worldPos = QVector3D(w.x(), w.y(), gz);
    m_tileImprovements[{tx, ty}] = imp;

    unit.cancelBuilding();
    if (unit.currentAction.type == UnitActionType::BuildImprovement) {
        unit.currentAction = UnitAction();
    }

    if (!unit.config.infiniteCharges && unit.buildCharges > 0) {
        unit.buildCharges -= 1;
        if (unit.buildCharges <= 0) {
            addFloatingText(Localization::instance().get("ui.unit.farm_completed_consumed", "Farm completed! (Builder consumed)"),
                            QVector3D(w.x(), w.y(), gz + 1.2f), QColor(80, 255, 120), 2.8f);
            unit.takeDamage(99999.0f);
            if (unit.id == m_selectedUnitId) {
                m_selectedUnitId = -1;
                m_actionMode = ActionMode::None;
            }
            return;
        } else {
            QString chargeWord = unit.buildCharges == 1
                ? Localization::instance().get("ui.unit.charge_singular", "charge")
                : Localization::instance().get("ui.unit.charge_plural", "charges");
            QString msg = Localization::instance().get("ui.unit.farm_completed_charges", "Farm completed! (%1 %2 remaining)")
                .arg(unit.buildCharges)
                .arg(chargeWord);
            addFloatingText(msg, QVector3D(w.x(), w.y(), gz + 1.2f), QColor(80, 255, 120), 2.8f);
            return;
        }
    }

    addFloatingText(Localization::instance().get("ui.unit.farm_completed", "Farm completed!"),
                    QVector3D(w.x(), w.y(), gz + 1.2f), QColor(80, 255, 120), 2.8f);
}

void GameManager::processUnitActionQueue(Unit &unit, Matrix2D<TerrainPoint> *mapPoints, int numPoints05)
{
    while (!unit.isDead() && unit.state == UnitState::Idle && !unit.currentAction.isValid() && unit.hasQueuedAction()) {
        UnitAction nextAction = unit.popNextQueuedAction();
        startUnitAction(unit, nextAction, mapPoints, numPoints05);
    }
}