static NormalTextureInfo ExportNormalTextureInfo(
UnityEngine.Texture texture,
TextureMapType textureMapType,
UnityEngine.Material material,
IGltfWritable gltf
)
{
var imageId = gltf.AddImage(texture);
if (imageId < 0)
{
return(null);
}
var textureId = gltf.AddTexture(imageId);
var info = new NormalTextureInfo {
index = textureId,
// texCoord = 0 // TODO: figure out which UV set was used
};
if (material.HasProperty(MaterialGenerator.bumpScalePropId))
{
info.scale = material.GetFloat(MaterialGenerator.bumpScalePropId);
}
return(info);
}
/// <summary>
/// Export a normal texture from Unity to glTF.
/// </summary>
/// <param name="texture">Normal texture to export</param>
/// <param name="material">Material the normal is used on</param>
/// <param name="gltf">Context glTF to export to</param>
/// <returns>glTF texture info</returns>
protected static NormalTextureInfo ExportNormalTextureInfo(
UnityEngine.Texture texture,
UnityEngine.Material material,
IGltfWritable gltf
)
{
var texture2d = texture as Texture2D;
if (texture2d == null)
{
return(null);
}
var imageExport = new NormalImageExport(texture2d);
if (AddImageExport(gltf, imageExport, out var textureId))
{
var info = new NormalTextureInfo {
index = textureId,
// texCoord = 0 // TODO: figure out which UV set was used
};
if (material.HasProperty(MaterialGenerator.bumpScalePropId))
{
info.scale = material.GetFloat(MaterialGenerator.bumpScalePropId);
}
return(info);
}
return(null);
}
private NormalTextureInfo ExportNormalTextureInfo(UnityEngine.Texture texture, UnityEngine.Material material)
{
var info = new NormalTextureInfo();
info.Index = ExportTexture(texture);
if (material.HasProperty("_BumpScale"))
{
info.Scale = material.GetFloat("_BumpScale");
}
return(info);
}
private Schema.MaterialNormalTextureInfo ConvertNormalTextureInfo(NormalTextureInfo runtimeTextureInfo)
{
var textureInfo = CreateInstance <Schema.MaterialNormalTextureInfo>();
textureInfo.Index = ConvertTexture(runtimeTextureInfo.Texture);
if (runtimeTextureInfo.TexCoord.HasValue)
{
textureInfo.TexCoord = runtimeTextureInfo.TexCoord.Value;
}
if (runtimeTextureInfo.Scale.HasValue)
{
textureInfo.Scale = runtimeTextureInfo.Scale.Value;
}
return(textureInfo);
}
