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Load T5 fastfiles

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Jan
2021-05-12 21:47:34 +02:00
parent e3a3d012e6
commit bb3e7d9e88
18 changed files with 711 additions and 6 deletions
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108
src/ObjLoading/Image/IwiLoader.cpp
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@ -228,6 +228,111 @@ Texture* IwiLoader::LoadIwi8(std::istream& stream) const
return texture;
}
const ImageFormat* IwiLoader::GetFormat13(int8_t format)
{
switch (static_cast<iwi13::IwiFormat>(format))
{
case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGBA:
return &ImageFormat::FORMAT_R8_G8_B8_A8;
case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGB:
return &ImageFormat::FORMAT_R8_G8_B8;
case iwi13::IwiFormat::IMG_FORMAT_BITMAP_ALPHA:
return &ImageFormat::FORMAT_A8;
case iwi13::IwiFormat::IMG_FORMAT_DXT1:
return &ImageFormat::FORMAT_BC1;
case iwi13::IwiFormat::IMG_FORMAT_DXT3:
return &ImageFormat::FORMAT_BC2;
case iwi13::IwiFormat::IMG_FORMAT_DXT5:
return &ImageFormat::FORMAT_BC3;
case iwi13::IwiFormat::IMG_FORMAT_DXN:
return &ImageFormat::FORMAT_BC5;
case iwi13::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE_ALPHA:
return &ImageFormat::FORMAT_R8_A8;
case iwi13::IwiFormat::IMG_FORMAT_BITMAP_LUMINANCE:
return &ImageFormat::FORMAT_R8;
case iwi13::IwiFormat::IMG_FORMAT_WAVELET_RGBA: // used
case iwi13::IwiFormat::IMG_FORMAT_WAVELET_RGB: // used
case iwi13::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE_ALPHA:
case iwi13::IwiFormat::IMG_FORMAT_WAVELET_LUMINANCE:
case iwi13::IwiFormat::IMG_FORMAT_WAVELET_ALPHA:
case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGB565:
case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGB5A3:
case iwi13::IwiFormat::IMG_FORMAT_BITMAP_C8:
case iwi13::IwiFormat::IMG_FORMAT_BITMAP_RGBA8:
case iwi13::IwiFormat::IMG_FORMAT_A16B16G16R16F:
printf("Unsupported IWI format: %i\n", format);
break;
default:
printf("Unknown IWI format: %i\n", format);
break;
}
return nullptr;
}
Texture* IwiLoader::LoadIwi13(std::istream& stream) const
{
iwi13::IwiHeader header{};
stream.read(reinterpret_cast<char*>(&header), sizeof(header));
if (stream.gcount() != sizeof(header))
return nullptr;
const auto* format = GetFormat6(header.format);
if (format == nullptr)
return nullptr;
auto width = header.dimensions[0];
auto height = header.dimensions[1];
auto depth = header.dimensions[2];
auto hasMipMaps = !(header.flags & iwi13::IwiFlags::IMG_FLAG_NOMIPMAPS);
Texture* texture;
if (header.flags & iwi13::IwiFlags::IMG_FLAG_CUBEMAP)
{
texture = m_memory_manager->Create<TextureCube>(format, width, height, hasMipMaps);
}
else if (header.flags & iwi13::IwiFlags::IMG_FLAG_VOLMAP)
{
texture = m_memory_manager->Create<Texture3D>(format, width, height, depth, hasMipMaps);
}
else
{
texture = m_memory_manager->Create<Texture2D>(format, width, height, hasMipMaps);
}
texture->Allocate();
auto currentFileSize = sizeof(iwi13::IwiHeader) + sizeof(IwiVersion);
const auto mipMapCount = hasMipMaps ? texture->GetMipMapCount() : 1;
for (auto currentMipLevel = mipMapCount - 1; currentMipLevel >= 0; currentMipLevel--)
{
const auto sizeOfMipLevel = texture->GetSizeOfMipLevel(currentMipLevel) * texture->GetFaceCount();
currentFileSize += sizeOfMipLevel;
if (currentMipLevel < static_cast<int>(std::extent<decltype(iwi13::IwiHeader::fileSizeForPicmip)>::value)
&& currentFileSize != header.fileSizeForPicmip[currentMipLevel])
{
printf("Iwi has invalid file size for picmip %i\n", currentMipLevel);
m_memory_manager->Delete(texture);
return nullptr;
}
stream.read(reinterpret_cast<char*>(texture->GetBufferForMipLevel(currentMipLevel)), sizeOfMipLevel);
if (stream.gcount() != sizeOfMipLevel)
{
printf("Unexpected eof of iwi in mip level %i\n", currentMipLevel);
m_memory_manager->Delete(texture);
return nullptr;
}
}
return texture;
}
const ImageFormat* IwiLoader::GetFormat27(int8_t format)
{
switch (static_cast<iwi27::IwiFormat>(format))
@ -358,6 +463,9 @@ Texture* IwiLoader::LoadIwi(std::istream& stream)
case 8:
return LoadIwi8(stream);
case 13:
return LoadIwi13(stream);
case 27:
return LoadIwi27(stream);