OrbitCameraContext.h

#pragma once
 
#include <EditorFramework/EditorFrameworkDLL.h>
#include <EditorFramework/InputContexts/EditorInputContext.h>
 
class plCamera;
 
class PL_EDITORFRAMEWORK_DLL plOrbitCameraContext : public plEditorInputContext
{
public:
  plOrbitCameraContext(plQtEngineDocumentWindow* pOwnerWindow, plQtEngineViewWidget* pOwnerView);
 
  void SetCamera(plCamera* pCamera);
  plCamera* GetCamera() const;
 
  void SetDefaultCameraRelative(const plVec3& vDirection, float fDistanceScale);
  void SetDefaultCameraFixed(const plVec3& vPosition);
 
  void MoveCameraToDefaultPosition();
 
  void SetOrbitVolume(const plVec3& vCenterPos, const plVec3& vHalfBoxSize);
 
  plVec3 GetVolumeCenter() const { return m_Volume.GetCenter(); }
 
  plVec3 GetVolumeHalfSize() const { return m_Volume.GetHalfExtents(); }
 
protected:
  virtual void DoFocusLost(bool bCancel) override;
 
  virtual plEditorInput DoMousePressEvent(QMouseEvent* e) override;
  virtual plEditorInput DoMouseReleaseEvent(QMouseEvent* e) override;
  virtual plEditorInput DoMouseMoveEvent(QMouseEvent* e) override;
  virtual plEditorInput DoWheelEvent(QWheelEvent* e) override;
  virtual plEditorInput DoKeyPressEvent(QKeyEvent* e) override;
  virtual plEditorInput DoKeyReleaseEvent(QKeyEvent* e) override;
 
  virtual void OnSetOwner(plQtEngineDocumentWindow* pOwnerWindow, plQtEngineViewWidget* pOwnerView) override {}
 
private:
  virtual void UpdateContext() override;
 
  float GetCameraSpeed() const;
 
  void ResetCursor();
  void SetCurrentMouseMode();
 
  plVec2I32 m_vLastMousePos;
 
  enum class Mode
  {
    Off,
    Orbit,
    Free,
    Pan,
  };
 
  Mode m_Mode = Mode::Off;
  plCamera* m_pCamera;
 
  plBoundingBox m_Volume;
 
  bool m_bFixedDefaultCamera = true;
  plVec3 m_vDefaultCamera = plVec3(1, 0, 0);
 
  bool m_bRun = false;
  bool m_bMoveForwards = false;
  bool m_bMoveBackwards = false;
  bool m_bMoveRight = false;
  bool m_bMoveLeft = false;
  bool m_bMoveUp = false;
  bool m_bMoveDown = false;
 
  plTime m_LastUpdate;
};