ColorGradientAsset.h

#pragma once
 
#include <EditorFramework/Assets/SimpleAssetDocument.h>
 
class plColorGradient;
 
class plColorControlPoint : public plReflectedClass
{
  PL_ADD_DYNAMIC_REFLECTION(plColorControlPoint, plReflectedClass);
 
public:
  plTime GetTickAsTime() const { return plTime::MakeFromSeconds(m_iTick / 4800.0); }
  void SetTickFromTime(plTime time, plInt64 iFps);
 
  // double m_fPositionX;
  plInt64 m_iTick; // 4800 ticks per second
  plUInt8 m_Red;
  plUInt8 m_Green;
  plUInt8 m_Blue;
};
 
class plAlphaControlPoint : public plReflectedClass
{
  PL_ADD_DYNAMIC_REFLECTION(plAlphaControlPoint, plReflectedClass);
 
public:
  plTime GetTickAsTime() const { return plTime::MakeFromSeconds(m_iTick / 4800.0); }
  void SetTickFromTime(plTime time, plInt64 iFps);
 
  // double m_fPositionX;
  plInt64 m_iTick; // 4800 ticks per second
  plUInt8 m_Alpha;
};
 
class plIntensityControlPoint : public plReflectedClass
{
  PL_ADD_DYNAMIC_REFLECTION(plIntensityControlPoint, plReflectedClass);
 
public:
  plTime GetTickAsTime() const { return plTime::MakeFromSeconds(m_iTick / 4800.0); }
  void SetTickFromTime(plTime time, plInt64 iFps);
 
  // double m_fPositionX;
  plInt64 m_iTick; // 4800 ticks per second
  float m_fIntensity;
};
 
class plColorGradientAssetData : public plReflectedClass
{
  PL_ADD_DYNAMIC_REFLECTION(plColorGradientAssetData, plReflectedClass);
 
public:
  plDynamicArray<plColorControlPoint> m_ColorCPs;
  plDynamicArray<plAlphaControlPoint> m_AlphaCPs;
  plDynamicArray<plIntensityControlPoint> m_IntensityCPs;
 
  static plInt64 TickFromTime(plTime time);
 
  void FillGradientData(plColorGradient& out_result) const;
  plColor Evaluate(plInt64 iTick) const;
};
 
class plColorGradientAssetDocument : public plSimpleAssetDocument<plColorGradientAssetData>
{
  PL_ADD_DYNAMIC_REFLECTION(plColorGradientAssetDocument, plSimpleAssetDocument<plColorGradientAssetData>);
 
public:
  plColorGradientAssetDocument(plStringView sDocumentPath);
 
  void WriteResource(plStreamWriter& inout_stream) const;
 
protected:
  virtual plTransformStatus InternalTransformAsset(plStreamWriter& stream, plStringView sOutputTag, const plPlatformProfile* pAssetProfile,
    const plAssetFileHeader& AssetHeader, plBitflags<plTransformFlags> transformFlags) override;
  virtual plTransformStatus InternalCreateThumbnail(const ThumbnailInfo& ThumbnailInfo) override;
};