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terrainmovementmanager.h

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+#ifndef TERRAINMOVEMENTMANAGER_H
+#define TERRAINMOVEMENTMANAGER_H
+
+#include <QString>
+#include <QStringList>
+#include <QMap>
+#include "terrain.h"
+#include "matrix2d.h"
+
+enum class MovementDomain {
+    Land,
+    Naval
+};
+
+inline QString movementDomainToString(MovementDomain domain) {
+    switch (domain) {
+        case MovementDomain::Land: return "land";
+        case MovementDomain::Naval: return "naval";
+    }
+    return "land";
+}
+
+inline MovementDomain stringToMovementDomain(const QString &str) {
+    QString s = str.trimmed().toLower();
+    if (s == "naval" || s == "water" || s == "zee" || s == "schip" || s == "sea") {
+        return MovementDomain::Naval;
+    }
+    return MovementDomain::Land;
+}
+
+struct DomainMovementRule {
+    QStringList impassableTerrains;
+    QStringList passableTerrains; // If non-empty, ONLY these terrains can be entered
+};
+
+struct TerrainMovementConfig {
+    int waterHeightThreshold;
+    float mountainRockHeightKm;
+    float snowHeightKm;
+    bool polarSnowLineEnabled;
+    float polarSnowLineBaseKm;
+    float polarSnowFactorStart;
+    float polarSnowFactorEnd;
+
+    QMap<QString, float> movementCosts;
+    QMap<QString, DomainMovementRule> domainRules;
+
+    TerrainMovementConfig();
+};
+
+struct UnitConfig; // Forward declaration
+
+class TerrainMovementManager {
+public:
+    static TerrainMovementManager& instance();
+
+    bool loadConfig(const QString &filePath);
+
+    QString getTerrainType(int tx, int ty, Matrix2D<TerrainPoint> *mapPoints, int numPoints05) const;
+
+    bool isTerrainPassable(
+        const QString &terrainType,
+        MovementDomain domain,
+        const UnitConfig *unitConfig = nullptr
+    ) const;
+
+    bool isHexPassable(
+        int tx, int ty,
+        MovementDomain domain,
+        Matrix2D<TerrainPoint> *mapPoints,
+        int numPoints05,
+        const UnitConfig *unitConfig = nullptr
+    ) const;
+
+    float getTerrainMovementCost(const QString &terrainType) const;
+    float getHexMovementCost(int tx, int ty, Matrix2D<TerrainPoint> *mapPoints, int numPoints05) const;
+
+    const TerrainMovementConfig& getConfig() const { return m_config; }
+
+private:
+    TerrainMovementManager();
+    ~TerrainMovementManager() = default;
+
+    TerrainMovementConfig m_config;
+    bool m_loaded;
+};
+
+#endif // TERRAINMOVEMENTMANAGER_H