Someone

//Mircs

class MapHash
{

	public:
	
	MapHash(vec2i mapSize,vec2i SplitInto, T juttu );
	
	Insert(vec2i Position, T juttu);
	
	Remove(vec2i Position, T juttu);
	
	private:
	
	vector<list<T>> Hash;
	
	vec2i GridSize;
	
}

MapHash::MapHash(vec2i mapSize,vec2i SplitInto, T juttu )
{
	Hash.resize(SplitInto.x*SplitInto.y);
	
	GridSize(mapSize.x/SplitInto.x, mapSize.y/SplitInto.y);
}

MapHash::InsertInsert(vec2i Position, T juttu)
{
	vec2i HashLocation( 
	floor(Position.x/GridSize.x), floor(Position.y/GridSize.y) );
	
	Hash[HashLocation].insert(juttu);
}

MapHash::Remove(vec2i Position, T juttu)
{
	vec2i HashLocation( 
	floor(Position.x/GridSize.x), floor(Position.y/GridSize.y) );
	
	Hash[HashLocation].remove(juttu);
]