TranslateGizmo.h

#pragma once
 
#include <EditorEngineProcessFramework/Gizmos/GizmoHandle.h>
#include <EditorFramework/Gizmos/GizmoBase.h>
#include <QPoint>
#include <ToolsFoundation/ToolsFoundationDLL.h>
 
class PL_EDITORFRAMEWORK_DLL plTranslateGizmo : public plGizmo
{
  PL_ADD_DYNAMIC_REFLECTION(plTranslateGizmo, plGizmo);
 
public:
  plTranslateGizmo();
 
  const plVec3 GetStartPosition() const { return m_vStartPosition; }
  const plVec3 GetTranslationResult() const { return GetTransformation().m_vPosition - m_vStartPosition; }
  const plVec3 GetTranslationDiff() const { return m_vLastMoveDiff; }
 
  enum class MovementMode
  {
    ScreenProjection,
    MouseDiff
  };
 
  enum class PlaneInteraction
  {
    PlaneX,
    PlaneY,
    PlaneZ
  };
 
  enum class TranslateMode
  {
    None,
    Axis,
    Plane
  };
 
  void SetMovementMode(MovementMode mode);
  PlaneInteraction GetLastPlaneInteraction() const { return m_LastPlaneInteraction; }
  TranslateMode GetTranslateMode() const { return m_Mode; }
 
  void SetCameraSpeed(float fSpeed);
 
  virtual void UpdateStatusBarText(plQtEngineDocumentWindow* pWindow) override;
 
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 void OnSetOwner(plQtEngineDocumentWindow* pOwnerWindow, plQtEngineViewWidget* pOwnerView) override;
  virtual void OnVisibleChanged(bool bVisible) override;
  virtual void OnTransformationChanged(const plTransform& transform) override;
 
  plResult GetPointOnAxis(plInt32 iScreenPosX, plInt32 iScreenPosY, plVec3& out_Result) const;
  plResult GetPointOnPlane(plInt32 iScreenPosX, plInt32 iScreenPosY, plVec3& out_Result) const;
 
private:
  plVec2I32 m_vLastMousePos;
  plVec2 m_vTotalMouseDiff;
 
  plVec3 m_vLastMoveDiff;
 
  MovementMode m_MovementMode;
  plEngineGizmoHandle m_hAxisX;
  plEngineGizmoHandle m_hAxisY;
  plEngineGizmoHandle m_hAxisZ;
 
  plEngineGizmoHandle m_hPlaneXY;
  plEngineGizmoHandle m_hPlaneXZ;
  plEngineGizmoHandle m_hPlaneYZ;
 
  TranslateMode m_Mode;
  PlaneInteraction m_LastPlaneInteraction;
 
  float m_fStartScale;
  float m_fCameraSpeed;
 
  plTime m_LastInteraction;
  plVec3 m_vMoveAxis;
  plVec3 m_vPlaneAxis[2];
  plVec3 m_vStartPosition;
  plMat4 m_mInvViewProj;
};