cscamera.h

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#pragma once
 
#include <zenkit/vobs/Camera.hh>
 
#include "abstracttrigger.h"
 
class World;
class DbgPainter;
 
class CsCamera : public AbstractTrigger {
  public:
    CsCamera(Vob* parent, World& world, const zenkit::VCutsceneCamera& data, Flags flags);
 
    bool isPlayerMovable() const;
 
    void debugDraw(DbgPainter& p) const;
 
  private:
    struct KeyFrame {
      float         time = 0;
      Tempest::Vec3 c[4] = {};
      zenkit::CameraMotion motionType = zenkit::CameraMotion::LINEAR;
 
      auto          position(float u) const -> Tempest::Vec3;
      float         arcLength() const;
      };
 
    struct KbSpline {
      KbSpline() = default;
      KbSpline(const std::vector<std::shared_ptr<zenkit::VCameraTrajectoryFrame>>& frames, const float duration, std::string_view vobName);
 
      std::vector<KeyFrame> keyframe;
      size_t                size() const { return keyframe.size(); }
      auto                  position(const uint64_t time) const -> Tempest::Vec3;
      };
 
    void onTrigger(const TriggerEvent& evt) override;
    void onUntrigger(const TriggerEvent& evt) override;
    void tick(uint64_t dt) override;
 
    auto position() -> Tempest::Vec3;
    auto spin(Tempest::Vec3& d) -> Tempest::PointF;
 
    KbSpline posSpline     = {};
    KbSpline targetSpline  = {};
 
    uint64_t duration      = 0;
    uint64_t delay         = 0;
    uint64_t timeTrigger   = 0;
 
    bool     playerMovable = false;
    bool     autoUntrigger = false;
  };