$#include "Navigation/NavigationMesh.h"

enum NavmeshPartitionType
{
    NAVMESH_PARTITION_WATERSHED = 0,
    NAVMESH_PARTITION_MONOTONE
};

struct NavigationGeometryInfo
{
    Component* component_ @ component;
    unsigned lodLevel_ @ lodLevel;
    Matrix3x4 transform_ @ transform;
    BoundingBox boundingBox_ @ boundingBox;
};

class NavigationMesh : public Component
{
    void SetTileSize(int size);
    void SetCellSize(float size);
    void SetCellHeight(float height);
    void SetAgentHeight(float height);
    void SetAgentRadius(float radius);
    void SetAgentMaxClimb(float maxClimb);
    void SetAgentMaxSlope(float maxSlope);
    void SetRegionMinSize(float size);
    void SetRegionMergeSize(float size);
    void SetEdgeMaxLength(float length);
    void SetEdgeMaxError(float error);
    void SetDetailSampleDistance(float distance);
    void SetDetailSampleMaxError(float error);
    void SetPadding(const Vector3& padding);
    void SetAreaCost(unsigned areaID, float cost);
    bool Build();
    bool Build(const BoundingBox& boundingBox);
    void SetPartitionType(NavmeshPartitionType aType);
    void SetDrawOffMeshConnections(bool enable);
    void SetDrawNavAreas(bool enable);

    Vector3 FindNearestPoint(const Vector3& point, const Vector3& extents = Vector3::ONE);
    Vector3 MoveAlongSurface(const Vector3& start, const Vector3& end, const Vector3& extents = Vector3::ONE, int maxVisited = 3);
    tolua_outside const PODVector<Vector3>& NavigationMeshFindPath @ FindPath(const Vector3& start, const Vector3& end, const Vector3& extents = Vector3::ONE);
    Vector3 GetRandomPoint();
    Vector3 GetRandomPointInCircle(const Vector3& center, float radius, const Vector3& extents = Vector3::ONE);
    float GetDistanceToWall(const Vector3& point, float radius, const Vector3& extents = Vector3::ONE);
    Vector3 Raycast(const Vector3& start, const Vector3& end, const Vector3& extents = Vector3::ONE);
    void DrawDebugGeometry(bool depthTest);

    int GetTileSize() const;
    float GetCellSize() const;
    float GetCellHeight() const;
    float GetAgentHeight() const;
    float GetAgentRadius() const;
    float GetAgentMaxClimb() const;
    float GetAgentMaxSlope() const;
    float GetRegionMinSize() const;
    float GetRegionMergeSize() const;
    float GetEdgeMaxLength() const;
    float GetEdgeMaxError() const;
    float GetDetailSampleDistance() const;
    float GetDetailSampleMaxError() const;
    const Vector3& GetPadding() const;
    float GetAreaCost(unsigned areaID) const;
    bool IsInitialized() const;
    const BoundingBox& GetBoundingBox() const;
    BoundingBox GetWorldBoundingBox() const;
    IntVector2 GetNumTiles() const;
    NavmeshPartitionType GetPartitionType();
    bool GetDrawOffMeshConnections() const;
    bool GetDrawNavAreas() const;

    tolua_property__get_set int tileSize;
    tolua_property__get_set float cellSize;
    tolua_property__get_set float cellHeight;
    tolua_property__get_set float agentHeight;
    tolua_property__get_set float agentRadius;
    tolua_property__get_set float agentMaxClimb;
    tolua_property__get_set float agentMaxSlope;
    tolua_property__get_set float regionMinSize;
    tolua_property__get_set float regionMergeSize;
    tolua_property__get_set float edgeMaxLength;
    tolua_property__get_set float edgeMaxError;
    tolua_property__get_set float detailSampleDistance;
    tolua_property__get_set float detailSampleMaxError;
    tolua_property__get_set Vector3& padding;
    tolua_property__get_set NavmeshPartitionType partitionType;
    tolua_property__get_set bool drawOffMeshConnections;
    tolua_property__get_set bool drawNavAreas;
    tolua_readonly tolua_property__is_set bool initialized;
    tolua_readonly tolua_property__get_set BoundingBox& boundingBox;
    tolua_readonly tolua_property__get_set BoundingBox worldBoundingBox;
    tolua_readonly tolua_property__get_set IntVector2 numTiles;
};

${
const PODVector<Vector3>& NavigationMeshFindPath(NavigationMesh* navMesh, const Vector3& start, const Vector3& end, const Vector3& extents = Vector3::ONE)
{
    static PODVector<Vector3> dest;
    dest.Clear();
    navMesh->FindPath(dest, start, end, extents);
    return dest;
}
$}