The next little game in the series where I make a fancy rogue game.
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roguish/collider.hpp

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#pragma once
#include <vector>
#include <unordered_map>
#include "map.hpp"
#include "dinkyecs.hpp"
#include "point.hpp"
typedef std::vector<DinkyECS::Entity> EntityList;
typedef std::unordered_map<Point, DinkyECS::Entity, PointHash> PointEntityMap;
struct FoundEntities {
bool found;
EntityList nearby;
};
class spatial_map {
public:
spatial_map() {}
void insert(Point pos, DinkyECS::Entity obj);
void move(Point from, Point to, DinkyECS::Entity ent);
void remove(Point pos);
bool occupied(Point pos) const;
DinkyECS::Entity get(Point at) const;
FoundEntities neighbors(Point position, bool diag=false) const;
private:
PointEntityMap table;
};