TextureAsset.h

#pragma once
 
#include <EditorFramework/Assets/AssetDocumentGenerator.h>
#include <EditorFramework/Assets/SimpleAssetDocument.h>
#include <EditorPluginAssets/TextureAsset/TextureAssetObjects.h>
 
class plTextureAssetProfileConfig;
 
struct plTextureChannelMode
{
  using StorageType = plUInt8;
 
  enum Enum
  {
    RGBA,
    RGB,
    Red,
    Green,
    Blue,
    Alpha,
 
    Default = RGBA
  };
};
PL_DECLARE_REFLECTABLE_TYPE(PL_NO_LINKAGE, plTextureChannelMode);
 
class plTextureAssetDocument : public plSimpleAssetDocument<plTextureAssetProperties>
{
  PL_ADD_DYNAMIC_REFLECTION(plTextureAssetDocument, plSimpleAssetDocument<plTextureAssetProperties>);
 
public:
  plTextureAssetDocument(plStringView sDocumentPath);
 
  // for previewing purposes
  plEnum<plTextureChannelMode> m_ChannelMode;
  plInt32 m_iTextureLod; // -1 == regular sampling, >= 0 == sample that level
  bool m_bIsRenderTarget = false;
 
protected:
  virtual void InitializeAfterLoading(bool bFirstTimeCreation) override;
  virtual plTransformStatus InternalTransformAsset(plStreamWriter& stream, plStringView sOutputTag, const plPlatformProfile* pAssetProfile, const plAssetFileHeader& AssetHeader, plBitflags<plTransformFlags> transformFlags) override { return plStatus(PL_SUCCESS); }
  virtual plTransformStatus InternalTransformAsset(const char* szTargetFile, plStringView sOutputTag, const plPlatformProfile* pAssetProfile, const plAssetFileHeader& AssetHeader, plBitflags<plTransformFlags> transformFlags) override;
 
  plStatus RunTexConv(const char* szTargetFile, const plAssetFileHeader& AssetHeader, bool bUpdateThumbnail, const plTextureAssetProfileConfig* pAssetConfig);
 
  virtual void UpdateAssetDocumentInfo(plAssetDocumentInfo* pInfo) const override;
};
 
 
class plTextureAssetDocumentGenerator : public plAssetDocumentGenerator
{
  PL_ADD_DYNAMIC_REFLECTION(plTextureAssetDocumentGenerator, plAssetDocumentGenerator);
 
public:
  plTextureAssetDocumentGenerator();
  ~plTextureAssetDocumentGenerator();
 
  enum class TextureType
  {
    Diffuse,
    Normal,
    Occlusion,
    Roughness,
    Metalness,
    ORM,
    Height,
    HDR,
    Linear,
  };
 
  virtual void GetImportModes(plStringView sAbsInputFile, plDynamicArray<plAssetDocumentGenerator::ImportMode>& out_modes) const override;
  virtual plStringView GetDocumentExtension() const override { return "plTextureAsset"; }
  virtual plStringView GetGeneratorGroup() const override { return "Images"; }
  virtual plStatus Generate(plStringView sInputFileAbs, plStringView sMode, plDynamicArray<plDocument*>& out_generatedDocuments) override;
 
  static TextureType DetermineTextureType(plStringView sFile);
};