public static string GetUnityObjectName(TextureImportTypes type, string gltfName, string uri)
{
if (type == TextureImportTypes.StandardMap)
{
// metallic, smooth, occlusion
return($"{gltfName}{STANDARD_SUFFIX}");
}
else if (type == TextureImportTypes.NormalMap)
{
return($"{gltfName}{NORMAL_SUFFIX}");
}
else if (type == TextureImportTypes.Linear)
{
return($"{gltfName}{LINEAR_SUFFIX}");
}
else
{
if (!string.IsNullOrEmpty(uri) && !uri.StartsWith("data:", StringComparison.Ordinal))
{
// external image
return(Path.GetFileNameWithoutExtension(uri));
}
else
{
// texture name
return(gltfName);
}
}
}
public TextureImportName(TextureImportTypes textureType, string gltfName, string ext, string uri)
{
GltfName = gltfName;
ConvertedName = TextureImportName.Convert(gltfName, textureType);
Ext = ext;
Uri = uri;
ExtractKey = GetExtractKey(textureType, gltfName, ConvertedName, uri);
}
public static string Convert(string name, TextureImportTypes textureType)
{
switch (textureType)
{
case TextureImportTypes.StandardMap: return($"{name}{STANDARD_SUFFIX}");
case TextureImportTypes.NormalMap: return($"{name}{NORMAL_SUFFIX}");
default: return(name);
}
}
public static Texture2D Convert(Texture texture, TextureImportTypes textureType, ColorConversion colorConversion, Material convertMaterial)
{
var copyTexture = CopyTexture(texture, textureType, convertMaterial);
if (colorConversion != null)
{
copyTexture.SetPixels32(copyTexture.GetPixels32().Select(x => colorConversion(x)).ToArray());
copyTexture.Apply();
}
copyTexture.name = texture.name;
return(copyTexture);
}
public static RenderTextureReadWrite GetColorSpace(this TextureImportTypes textureType)
{
switch (textureType)
{
case TextureImportTypes.sRGB:
return(RenderTextureReadWrite.sRGB);
case TextureImportTypes.Linear:
case TextureImportTypes.StandardMap:
case TextureImportTypes.NormalMap:
return(RenderTextureReadWrite.Linear);
default:
throw new NotImplementedException();
}
}
public TextureImportParam(TextureImportName name, SamplerParam sampler, TextureImportTypes textureType, float metallicFactor, float roughnessFactor,
GetTextureBytesAsync i0,
GetTextureBytesAsync i1,
GetTextureBytesAsync i2,
GetTextureBytesAsync i3,
GetTextureBytesAsync i4,
GetTextureBytesAsync i5)
{
Name = name;
Sampler = sampler;
TextureType = textureType;
MetallicFactor = metallicFactor;
RoughnessFactor = roughnessFactor;
Index0 = i0;
Index1 = i1;
Index2 = i2;
Index3 = i3;
Index4 = i4;
Index5 = i5;
}
public static Texture2D CopyTexture(Texture src, TextureImportTypes textureType, Material material)
{
Texture2D dst = null;
RenderTextureReadWrite colorSpace = textureType.GetColorSpace();
var renderTexture = new RenderTexture(src.width, src.height, 0, RenderTextureFormat.ARGB32, colorSpace);
using (var scope = new ColorSpaceScope(colorSpace))
{
if (material != null)
{
Graphics.Blit(src, renderTexture, material);
}
else
{
Graphics.Blit(src, renderTexture);
}
}
dst = new Texture2D(src.width, src.height, TextureFormat.ARGB32, false, colorSpace == RenderTextureReadWrite.Linear);
dst.ReadPixels(new Rect(0, 0, src.width, src.height), 0, 0);
dst.name = src.name;
dst.anisoLevel = src.anisoLevel;
dst.filterMode = src.filterMode;
dst.mipMapBias = src.mipMapBias;
dst.wrapMode = src.wrapMode;
dst.wrapModeU = src.wrapModeU;
dst.wrapModeV = src.wrapModeV;
dst.wrapModeW = src.wrapModeW;
dst.Apply();
RenderTexture.active = null;
if (Application.isEditor)
{
GameObject.DestroyImmediate(renderTexture);
}
else
{
GameObject.Destroy(renderTexture);
}
return(dst);
}
public static string GetExtractKey(TextureImportTypes type, string gltfName, string convertedName, string uri)
{
if (type == TextureImportTypes.StandardMap)
{
// metallic, smooth, occlusion
return(convertedName);
}
else
{
if (!string.IsNullOrEmpty(uri))
{
// external image
return(Path.GetFileNameWithoutExtension(uri));
}
else
{
// texture name
return(gltfName);
}
}
}
public TextureDescriptor(string name, Vector2 offset, Vector2 scale, SamplerParam sampler, TextureImportTypes textureType, float metallicFactor, float roughnessFactor,
GetTextureBytesAsync i0,
GetTextureBytesAsync i1,
GetTextureBytesAsync i2,
GetTextureBytesAsync i3,
GetTextureBytesAsync i4,
GetTextureBytesAsync i5)
{
UnityObjectName = name;
Offset = offset;
Scale = scale;
Sampler = sampler;
TextureType = textureType;
MetallicFactor = metallicFactor;
RoughnessFactor = roughnessFactor;
Index0 = i0;
Index1 = i1;
Index2 = i2;
Index3 = i3;
Index4 = i4;
Index5 = i5;
}
public static Texture2D CopyTexture(Texture src, TextureImportTypes textureType, Material material)
{
return(CopyTexture(src, textureType.GetColorSpace(), material));
}