SnapProvider.h

#pragma once
 
#include <EditorFramework/EditorFrameworkDLL.h>
#include <Foundation/Communication/Event.h>
#include <Foundation/Math/Declarations.h>
 
struct plEditorAppEvent;
class plPreferences;
 
struct plSnapProviderEvent
{
  enum class Type
  {
    RotationSnapChanged,
    ScaleSnapChanged,
    TranslationSnapChanged
  };
 
  Type m_Type;
};
 
class PL_EDITORFRAMEWORK_DLL plSnapProvider
{
public:
  static void Startup();
  static void Shutdown();
 
  static plAngle GetRotationSnapValue();
  static float GetScaleSnapValue();
  static float GetTranslationSnapValue();
 
  static void SetRotationSnapValue(plAngle angle);
  static void SetScaleSnapValue(float fPercentage);
  static void SetTranslationSnapValue(float fUnits);
 
  static void SnapTranslation(plVec3& value);
 
  static void SnapTranslationInLocalSpace(const plQuat& qRotation, plVec3& ref_vTranslation);
 
  static void SnapRotation(plAngle& ref_rotation);
 
  static void SnapScale(float& ref_fScale);
  static void SnapScale(plVec3& ref_vScale);
 
  static plVec3 GetScaleSnapped(const plVec3& vScale);
 
  static plEvent<const plSnapProviderEvent&> s_Events;
 
private:
  static void EditorEventHandler(const plEditorAppEvent& e);
  static void PreferenceChangedEventHandler(plPreferences* pPreferenceBase);
 
  static plAngle s_RotationSnapValue;
  static float s_fScaleSnapValue;
  static float s_fTranslationSnapValue;
  static plEventSubscriptionID s_UserPreferencesChanged;
};