/// <summary>
/// 画像のバイト列からテクスチャを作成する
/// <summary>
public static Texture2D CreateTexture(VrmLib.ImageTexture imageTexture)
{
Texture2D dstTexture = null;
UnityEngine.Material convertMaterial = null;
var texture = new Texture2D(2, 2, TextureFormat.ARGB32, false, imageTexture.ColorSpace == VrmLib.Texture.ColorSpaceTypes.Linear);
texture.LoadImage(imageTexture.Image.Bytes.ToArray());
// Convert Texture Gltf to Unity
if (imageTexture.TextureType == VrmLib.Texture.TextureTypes.NormalMap)
{
convertMaterial = TextureConvertMaterial.GetNormalMapConvertGltfToUnity();
dstTexture = UnityTextureUtil.CopyTexture(
texture,
GetRenderTextureReadWrite(imageTexture.ColorSpace),
convertMaterial);
}
else if (imageTexture.TextureType == VrmLib.Texture.TextureTypes.MetallicRoughness)
{
var metallicRoughnessImage = imageTexture as VrmLib.MetallicRoughnessImageTexture;
convertMaterial = TextureConvertMaterial.GetMetallicRoughnessGltfToUnity(metallicRoughnessImage.RoughnessFactor);
dstTexture = UnityTextureUtil.CopyTexture(
texture,
GetRenderTextureReadWrite(imageTexture.ColorSpace),
convertMaterial);
}
else if (imageTexture.TextureType == VrmLib.Texture.TextureTypes.Occlusion)
{
convertMaterial = TextureConvertMaterial.GetOcclusionGltfToUnity();
dstTexture = UnityTextureUtil.CopyTexture(
texture,
GetRenderTextureReadWrite(imageTexture.ColorSpace),
convertMaterial);
}
if (dstTexture != null)
{
if (texture != null)
{
UnityEngine.Object.DestroyImmediate(texture);
}
texture = dstTexture;
}
if (convertMaterial != null)
{
UnityEngine.Object.DestroyImmediate(convertMaterial);
}
return(texture);
}
public VrmLib.TextureInfo GetOrCreateTexture(Texture _texture, VrmLib.Texture.ColorSpaceTypes colorSpace, VrmLib.Texture.TextureTypes textureType)
{
var texture = _texture as Texture2D;
if (texture is null)
{
return(null);
}
if (!Textures.TryGetValue(texture, out VrmLib.TextureInfo info))
{
Material normalConvertMaterial = null;
if (textureType == VrmLib.Texture.TextureTypes.NormalMap)
{
normalConvertMaterial = TextureConvertMaterial.GetNormalMapConvertUnityToGltf();
}
var(bytes, mime) = GetImageEncodedBytes(
texture,
(colorSpace == VrmLib.Texture.ColorSpaceTypes.Linear) ? RenderTextureReadWrite.Linear : RenderTextureReadWrite.sRGB,
normalConvertMaterial
);
if (normalConvertMaterial != null)
{
UnityEngine.Object.DestroyImmediate(normalConvertMaterial);
}
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, bytes);
info = new VrmLib.TextureInfo(new VrmLib.ImageTexture(texture.name, sampler, image, colorSpace, textureType));
Textures.Add(texture, info);
Model.Images.Add(image);
Model.Textures.Add(info.Texture);
}
return(info);
}
public VrmLib.TextureInfo GetOrCreateTexture(Material material, 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))
{
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, 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);
}