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PE: FBX Import - Improved normal map detection using diffuse name, if normap map was not setup inside object.

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This commit is contained in:
Preben Eriksen
2022-11-10 13:14:19 +01:00
parent 54ccf9edc7
commit c73eb548c0
1 changed files with 51 additions and 0 deletions
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51
Source/Engine/Tools/ModelTool/ModelTool.OpenFBX.cpp
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@@ -229,6 +229,57 @@ struct OpenFbxImporterData
ImportMaterialTexture(result, mat, ofbx::Texture::EMISSIVE, material.Emissive.TextureIndex, TextureEntry::TypeHint::ColorRGB);
ImportMaterialTexture(result, mat, ofbx::Texture::NORMAL, material.Normals.TextureIndex, TextureEntry::TypeHint::Normals);
// PE: FBX dont always store normal maps inside the object.
if (material.Diffuse.TextureIndex != -1 && material.Normals.TextureIndex == -1)
{
// PE: If missing , try to locate a normal map in the same path as the diffuse.
const String srcFolder = String(StringUtils::GetDirectoryName(result.Textures[material.Diffuse.TextureIndex].FilePath));
const String srcName = StringUtils::GetFileNameWithoutExtension(result.Textures[material.Diffuse.TextureIndex].FilePath);
String srcSearch;
const int32 num = srcName.FindLast('_');
String srcSmallName = srcName;
if (num != -1)
{
srcSmallName = srcName.Substring(0, num);
}
bool bNormal = false;
for (int iext = 0; iext < 6; iext++)
{
String sext = TEXT(".dds");
if (iext == 1) sext = TEXT(".png");
if (iext == 2) sext = TEXT(".jpg");
if (iext == 3) sext = TEXT(".jpeg");
if (iext == 4) sext = TEXT(".tif");
if (iext == 5) sext = TEXT(".tga");
for (int i = 0; i < 5; i++)
{
String sfind = TEXT("_normal" + sext);
if (i == 1) sfind = TEXT("_n" + sext);
if (i == 2) sfind = TEXT("_nm" + sext);
if (i == 3) sfind = TEXT("_nmp" + sext);
if (i == 4) sfind = TEXT("_nor" + sext);
srcSearch = srcFolder + TEXT("/") + srcSmallName + sfind;
if (FileSystem::FileExists(srcSearch))
{
bNormal = true;
break;
}
}
if (bNormal)
break;
}
if (bNormal)
{
auto& texture = result.Textures.AddOne();
texture.FilePath = srcSearch;
texture.Type = TextureEntry::TypeHint::Normals;
texture.AssetID = Guid::Empty;
material.Normals.TextureIndex = result.Textures.Count() - 1;
}
}
if (material.Diffuse.TextureIndex != -1)
{
// Detect using alpha mask in diffuse texture