collisionzone.h

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#pragma once
 
#include <Tempest/Vec>
 
#include <functional>
#include <vector>
 
class World;
class ParticleFx;
class Serialize;
class Npc;
 
class CollisionZone final {
  public:
    CollisionZone();
    CollisionZone(World& owner, const Tempest::Vec3& pos, const ParticleFx& pfx);
    CollisionZone(World& owner, const Tempest::Vec3& pos, const Tempest::Vec3& size);
    CollisionZone(CollisionZone&& other);
    CollisionZone& operator = (CollisionZone&& other);
    ~CollisionZone();
 
    void          save(Serialize& fout) const;
    void          load(Serialize &fin);
 
    void          setCallback(std::function<void(Npc& npc)> f);
 
    Tempest::Vec3 position() const { return pos; }
    void          setPosition(const Tempest::Vec3& p);
 
    const std::vector<Npc*>& intersections() const { return intersect; }
 
    bool          checkPos(const Tempest::Vec3& pos) const;
    void          onIntersect(Npc& npc);
    void          tick(uint64_t dt);
 
  private:
    World*                    owner = nullptr;
    std::function<void(Npc&)> cb;
 
    enum Type:uint8_t {
      T_BBox,
      T_Capsule,
      };
    uint64_t          time0 = 0;
    Type              type = T_BBox;
    Tempest::Vec3     pos, size;
    const ParticleFx* pfx = nullptr;
 
    std::vector<Npc*> intersect;
  };