TerrainRectangleArea.h

// TerrainRectangleArea.h
#pragma once
 
class Terrain;
class CollisionVolumeAABB;

class TerrainRectangleArea
{
public:
    class Iterator
    {
    public:
        Iterator(const Terrain* terrain, int xStart, int xEnd, int zStart, int zEnd, int x, int z);

        Iterator& operator++();

        bool operator!=(const Iterator& other) const;

        CollisionVolumeAABB GetCellAABB() const;

        std::pair<int, int> GetCellIndices() const;
 
    private:
        const Terrain* pTerrain; 
        int currX, currZ; 
        int xStart, xEnd, zStart, zEnd; 
    };

    TerrainRectangleArea(const Terrain* terrain, int xStart, int zStart, int xEnd, int zEnd);

    Iterator begin() const;

    Iterator end() const;
 
private:
    const Terrain* pTerrain; 
    int xStart, zStart, xEnd, zEnd; 
};