protected Texture(string name, TextureSampler sampler, ColorSpaceTypes colorSpace, TextureTypes textureType)
{
Name = name;
Sampler = sampler;
ColorSpace = colorSpace;
TextureType = textureType;
}
protected Texture(string name, TextureSampler sampler, ColorSpaceTypes colorSpace, TextureTypes textureType)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
Name = name;
Sampler = sampler;
ColorSpace = colorSpace;
TextureType = textureType;
}
public ImageTexture(string name, TextureSampler sampler, Image image, ColorSpaceTypes colorSpace, TextureTypes textureType = TextureTypes.Default) : base(name, sampler, colorSpace, textureType)
{
Image = image;
}
public RenderTexture(string name, TextureSampler sampler, ColorSpaceTypes colorSpace, TextureTypes textureType, int width = 256, int height = 256) : base(name, sampler, colorSpace, textureType)
{
Width = width;
Height = height;
}
public SolidTexture(string name, TextureSampler sampler, Vector4 color, ColorSpaceTypes colorSpace, TextureTypes textureType) : base(name, sampler, colorSpace, textureType)
{
Color = color;
}
public MetallicRoughnessImageTexture(string name, TextureSampler sampler, Image image, float roughnessFactor, ColorSpaceTypes colorSpace, TextureTypes textureType = TextureTypes.Default)
: base(name, sampler, image, colorSpace, textureType)
{
Image = image;
RoughnessFactor = roughnessFactor;
}
public VrmLib.TextureInfo GetOrCreateTexture(UnityEngine.Material material, UnityEngine.Texture srcTexture, VrmLib.Texture.ColorSpaceTypes colorSpace, VrmLib.Texture.TextureTypes textureType)
{
var texture = srcTexture as Texture2D;
if (texture is null)
{
return(null);
}
if (!Textures.TryGetValue(texture, out VrmLib.TextureInfo info))
{
UnityEngine.Material converter = null;
if (textureType == VrmLib.Texture.TextureTypes.NormalMap)
{
converter = TextureConvertMaterial.GetNormalMapConvertUnityToGltf();
}
else if (textureType == VrmLib.Texture.TextureTypes.MetallicRoughness)
{
float smoothness = 0.0f;
if (material.HasProperty("_GlossMapScale"))
{
smoothness = material.GetFloat("_GlossMapScale");
}
converter = TextureConvertMaterial.GetMetallicRoughnessUnityToGltf(smoothness);
}
else if (textureType == VrmLib.Texture.TextureTypes.Occlusion)
{
converter = TextureConvertMaterial.GetOcclusionUnityToGltf();
}
var(bytes, mime) = GetImageEncodedBytes(
texture,
(colorSpace == VrmLib.Texture.ColorSpaceTypes.Linear) ? RenderTextureReadWrite.Linear : RenderTextureReadWrite.sRGB,
converter
);
if (converter != null)
{
UnityEngine.Object.DestroyImmediate(converter);
}
var sampler = new VrmLib.TextureSampler
{
MagFilter = texture.filterMode.ToVrmLibMagFilter(),
MinFilter = texture.filterMode.ToVrmLibMinFilter(),
WrapS = texture.wrapMode.ToVrmLib(),
WrapT = texture.wrapMode.ToVrmLib(),
};
var image = new VrmLib.Image(texture.name, mime, VrmLib.ImageUsage.None, new ArraySegment <byte>(bytes));
info = new VrmLib.TextureInfo(new VrmLib.ImageTexture(texture.name, sampler, image, colorSpace, textureType));
Textures.Add(texture, info);
if (Model != null)
{
Model.Images.Add(image);
Model.Textures.Add(info.Texture);
}
}
return(info);
}