metaforce/Runtime/Graphics/CTexture.hpp

#pragma once

#include "GCNTypes.hpp"
#include "CFactoryMgr.hpp"
#include "IObj.hpp"
#include "IOStreams.hpp"
#include "Graphics/CGraphics.hpp"
#include "boo/graphicsdev/IGraphicsDataFactory.hpp"

namespace urde {
class CVParamTransfer;

class CTexture {
public:
  enum class EFontType {
    None = -1,
    OneLayer = 0,        /* Fill bit0 */
    OneLayerOutline = 1, /* Fill bit0, Outline bit1 */
    FourLayers = 2,
    TwoLayersOutlines = 3, /* Fill bit0/2, Outline bit1/3 */
    TwoLayers = 4,         /* Fill bit0/1 and copied to bit2/3 */
    TwoLayersOutlines2 = 8 /* Fill bit2/3, Outline bit0/1 */
  };

private:
  ETexelFormat x0_fmt;
  u16 x4_w;
  u16 x6_h;
  u32 x8_mips;
  boo::ObjToken<boo::ITexture> m_booTex;
  boo::ObjToken<boo::ITexture> m_paletteTex;
  std::unique_ptr<u8[]> m_otex;
  EFontType m_ftype = EFontType::None;
  std::string m_dolphinName;

  size_t ComputeMippedTexelCount() const;
  size_t ComputeMippedBlockCountDXT1() const;
  void BuildI4FromGCN(CInputStream& in);
  void BuildI8FromGCN(CInputStream& in);
  void BuildIA4FromGCN(CInputStream& in);
  void BuildIA8FromGCN(CInputStream& in);
  void BuildC4FromGCN(CInputStream& in);
  void BuildC8FromGCN(CInputStream& in);
  void BuildC14X2FromGCN(CInputStream& in);
  void BuildRGB565FromGCN(CInputStream& in);
  void BuildRGB5A3FromGCN(CInputStream& in);
  void BuildRGBA8FromGCN(CInputStream& in);
  void BuildDXT1FromGCN(CInputStream& in);
  void BuildRGBA8(const void* data, size_t length);
  void BuildC8(const void* data, size_t length);
  void BuildC8Font(const void* data, EFontType ftype);
  void BuildDXT1(const void* data, size_t length);
  void BuildDXT3(const void* data, size_t length);

public:
  CTexture(ETexelFormat, s16, s16, s32);
  CTexture(std::unique_ptr<u8[]>&& in, u32 length, bool otex);
  enum class EClampMode { None, One };
  ETexelFormat GetTexelFormat() const { return x0_fmt; }
  ETexelFormat GetMemoryCardTexelFormat() const {
    return x0_fmt == ETexelFormat::C8PC ? ETexelFormat::C8 : ETexelFormat::RGB5A3;
  }
  u16 GetWidth() const { return x4_w; }
  u16 GetHeight() const { return x6_h; }
  u32 GetNumMips() const { return x8_mips; }
  void Load(int slot, EClampMode clamp) const;
  const boo::ObjToken<boo::ITexture>& GetBooTexture() const { return m_booTex; }
  const boo::ObjToken<boo::ITexture>& GetPaletteTexture() const { return m_paletteTex; }
  std::unique_ptr<u8[]> BuildMemoryCardTex(u32& sizeOut, ETexelFormat& fmtOut, std::unique_ptr<u8[]>& paletteOut) const;
  const boo::ObjToken<boo::ITexture>& GetFontTexture(EFontType tp);

  std::string_view GetDolphinName() const { return m_dolphinName; }
  bool HasDolphinName() const { return !m_dolphinName.empty(); }
};

CFactoryFnReturn FTextureFactory(const urde::SObjectTag& tag, std::unique_ptr<u8[]>&& in, u32 len,
                                 const urde::CVParamTransfer& vparms, CObjectReference* selfRef);

} // namespace urde