private TextureId ExportTexture(UnityEngine.Texture textureObj)
{
TextureId id = GetTextureId(_root, textureObj);
if (id != null)
{
return(id);
}
var texture = new GLTF.Schema.Texture();
if (ExportNames)
{
texture.Name = textureObj.name;
}
texture.Source = ExportImage(textureObj);
texture.Sampler = ExportSampler(textureObj);
_textures.Add(textureObj);
id = new TextureId {
Id = _root.Textures.Count,
Root = _root
};
_root.Textures.Add(texture);
return(id);
}
protected virtual UnityEngine.Texture CreateTexture(GLTF.Schema.Texture texture)
{
if (_assetCache.TextureCache[texture.Source.Id] == null)
{
var source = _assetCache.ImageCache[texture.Source.Id];
var desiredFilterMode = FilterMode.Bilinear;
var desiredWrapMode = UnityEngine.TextureWrapMode.Repeat;
if (texture.Sampler != null)
{
var sampler = texture.Sampler.Value;
switch (sampler.MinFilter)
{
case MinFilterMode.Nearest:
desiredFilterMode = FilterMode.Point;
break;
case MinFilterMode.Linear:
default:
desiredFilterMode = FilterMode.Bilinear;
break;
}
switch (sampler.WrapS)
{
case GLTF.Schema.WrapMode.ClampToEdge:
desiredWrapMode = UnityEngine.TextureWrapMode.Clamp;
break;
case GLTF.Schema.WrapMode.Repeat:
default:
desiredWrapMode = UnityEngine.TextureWrapMode.Repeat;
break;
}
}
if (source.filterMode == desiredFilterMode && source.wrapMode == desiredWrapMode)
{
_assetCache.TextureCache[texture.Source.Id] = source;
}
else
{
var unityTexture = UnityEngine.Object.Instantiate(source);
unityTexture.filterMode = desiredFilterMode;
unityTexture.wrapMode = desiredWrapMode;
_assetCache.TextureCache[texture.Source.Id] = unityTexture;
}
}
return(_assetCache.TextureCache[texture.Source.Id]);
}
private void SetupTexture(GLTF.Schema.Texture def, int textureIndex)
{
Texture2D source = _assetManager.getOrCreateTexture(def.Source.Id, textureIndex);
// Default values
var desiredFilterMode = FilterMode.Bilinear;
var desiredWrapMode = UnityEngine.TextureWrapMode.Repeat;
if (def.Sampler != null)
{
var sampler = def.Sampler.Value;
switch (sampler.MinFilter)
{
case MinFilterMode.Nearest:
desiredFilterMode = FilterMode.Point;
break;
case MinFilterMode.Linear:
default:
desiredFilterMode = FilterMode.Bilinear;
break;
}
switch (sampler.WrapS)
{
case GLTF.Schema.WrapMode.ClampToEdge:
desiredWrapMode = UnityEngine.TextureWrapMode.Clamp;
break;
case GLTF.Schema.WrapMode.Repeat:
default:
desiredWrapMode = UnityEngine.TextureWrapMode.Repeat;
break;
}
}
source.filterMode = desiredFilterMode;
source.wrapMode = desiredWrapMode;
_assetManager.registerTexture(source);
}
private TextureId ExportTexture(UnityEngine.Texture textureObj)
{
TextureId id = GetTextureId(_root, textureObj);
if (id != null)
{
return(id);
}
var texture = new GLTF.Schema.Texture();
//If texture name not set give it a unique name using count
if (textureObj.name == "")
{
textureObj.name = (_root.Textures.Count + 1).ToString();
}
if (ExportNames)
{
texture.Name = textureObj.name;
}
texture.Source = ExportImage(textureObj);
texture.Sampler = ExportSampler(textureObj);
_textures.Add(textureObj);
id = new TextureId {
Id = _root.Textures.Count,
Root = _root
};
_root.Textures.Add(texture);
return(id);
}
private TextureId GenerateTexture(Texture2D texture, ImageId imageId)
{
if (root.Textures == null)
{
root.Textures = new List<GLTF.Schema.Texture>();
}
if (root.Samplers == null)
{
root.Samplers = new List<GLTF.Schema.Sampler>();
}
var hasMipMap = texture.mipmapCount > 0;
MagFilterMode magFilter = MagFilterMode.None;
MinFilterMode minFilter = MinFilterMode.None;
GLTF.Schema.WrapMode wrap = GLTF.Schema.WrapMode.None;
switch (texture.filterMode)
{
case FilterMode.Point:
magFilter = MagFilterMode.Nearest;
if (hasMipMap)
{
minFilter = MinFilterMode.NearestMipmapNearest;
}
else
{
minFilter = MinFilterMode.Nearest;
}
break;
case FilterMode.Bilinear:
magFilter = MagFilterMode.Linear;
if (hasMipMap)
{
minFilter = MinFilterMode.LinearMipmapNearest;
}
else
{
minFilter = MinFilterMode.Linear;
}
break;
case FilterMode.Trilinear:
magFilter = MagFilterMode.Linear;
if (hasMipMap)
{
minFilter = MinFilterMode.Linear;
}
else
{
minFilter = MinFilterMode.LinearMipmapLinear;
}
break;
}
switch (texture.wrapMode)
{
case TextureWrapMode.Clamp:
wrap = GLTF.Schema.WrapMode.ClampToEdge;
break;
case TextureWrapMode.Repeat:
wrap = GLTF.Schema.WrapMode.Repeat;
break;
}
var sampler = new Sampler
{
MagFilter = magFilter,
MinFilter = minFilter,
WrapS = wrap,
WrapT = wrap
};
root.Samplers.Add(sampler);
var samplerId = new SamplerId { Id = root.Samplers.Count - 1, Root = root };
var gltfTexture = new GLTF.Schema.Texture { Source = imageId, Sampler = samplerId };
root.Textures.Add(gltfTexture);
var id = new TextureId { Id = root.Textures.Count - 1, Root = root };
_texture2d2ID[texture] = id;
return id;
}
protected override void Serialize(UnityEngine.Object sourceAsset)
{
this.texture = sourceAsset as UnityEngine.Texture2D;
//先把原始图片导出来
this.ExportTexture();
var path = PathHelper.GetTexturePath(this.texture);
var mipmap = this.texture.mipmapCount > 1;
//
{
this._root.Images.Add(new Image()
{
Uri = ExportSetting.instance.GetExportPath(path)
});
}
//
{
var filterMode = this.texture.filterMode;
var wrapMode = this.texture.wrapMode;
var sampler = new Sampler();
this._root.Samplers.Add(sampler);
if (wrapMode == TextureWrapMode.Repeat)
{
sampler.WrapS = GLTF.Schema.WrapMode.Repeat;
sampler.WrapT = GLTF.Schema.WrapMode.Repeat;
}
else
{
sampler.WrapS = GLTF.Schema.WrapMode.ClampToEdge;
sampler.WrapT = GLTF.Schema.WrapMode.ClampToEdge;
}
sampler.MagFilter = filterMode == FilterMode.Point ? MagFilterMode.Nearest : MagFilterMode.Linear;
if (!mipmap)
{
sampler.MagFilter = filterMode == FilterMode.Point ? MagFilterMode.Nearest : MagFilterMode.Linear;
}
else if (filterMode == FilterMode.Point)
{
sampler.MinFilter = MinFilterMode.NearestMipmapNearest;
}
else if (filterMode == FilterMode.Bilinear)
{
sampler.MinFilter = MinFilterMode.LinearMipmapNearest;
}
else if (filterMode == FilterMode.Trilinear)
{
sampler.MinFilter = MinFilterMode.LinearMipmapLinear;
}
}
//
{
var gltfTexture = new GLTF.Schema.Texture();
this._root.Textures.Add(gltfTexture);
gltfTexture.Sampler = new SamplerId();
gltfTexture.Source = new ImageId();
gltfTexture.Extensions = new Dictionary <string, IExtension>()
{
{
TextureExtension.EXTENSION_NAME,
new TextureExtension()
{
anisotropy = this.texture.anisoLevel,
format = GetTextureFormat(),
levels = mipmap ? 0 : 1
}
}
};
}
}
public virtual void Import(EditorImporter importer, Texture2D texture, GLTF.Schema.Texture gltfTex, Extension extension)
{
}
public static void Import(string extensionName, EditorImporter importer, Texture2D texture, GLTF.Schema.Texture gltfTex, Extension extension)
{
if (Name2Extensions.ContainsKey(extensionName))
{
Name2Extensions[extensionName].Import(importer, texture, gltfTex, extension);
}
}
protected override void Serialize(UnityEngine.Object sourceAsset)
{
this.textureArray = sourceAsset as Texture2DArrayData;
var firstTexture = this.textureArray.textures[0];
//先把原始图片导出来
this.ExportTexture();
var mipmap = firstTexture.mipmapCount > 1;
//
{
var image = new Image();
image.Uris = new List <string>();
foreach (var tex in this.textureArray.textures)
{
image.Uris.Add(ExportSetting.instance.GetExportPath(PathHelper.GetTexturePath(tex)));
}
this._root.Images.Add(image);
}
//
{
var filterMode = firstTexture.filterMode;
var wrapMode = firstTexture.wrapMode;
var sampler = new Sampler();
this._root.Samplers.Add(sampler);
if (wrapMode == TextureWrapMode.Repeat)
{
sampler.WrapS = GLTF.Schema.WrapMode.Repeat;
sampler.WrapT = GLTF.Schema.WrapMode.Repeat;
}
else
{
sampler.WrapS = GLTF.Schema.WrapMode.ClampToEdge;
sampler.WrapT = GLTF.Schema.WrapMode.ClampToEdge;
}
sampler.MagFilter = filterMode == FilterMode.Point ? MagFilterMode.Nearest : MagFilterMode.Linear;
if (!mipmap)
{
sampler.MagFilter = filterMode == FilterMode.Point ? MagFilterMode.Nearest : MagFilterMode.Linear;
}
else if (filterMode == FilterMode.Point)
{
sampler.MinFilter = MinFilterMode.NearestMipmapNearest;
}
else if (filterMode == FilterMode.Bilinear)
{
sampler.MinFilter = MinFilterMode.LinearMipmapNearest;
}
else if (filterMode == FilterMode.Trilinear)
{
sampler.MinFilter = MinFilterMode.LinearMipmapLinear;
}
}
//
{
var gltfTexture = new GLTF.Schema.Texture();
this._root.Textures.Add(gltfTexture);
gltfTexture.Sampler = new SamplerId();
gltfTexture.Source = new ImageId();
gltfTexture.Extensions = new Dictionary <string, IExtension>()
{
{
TextureExtension.EXTENSION_NAME,
new TextureExtension()
{
width = firstTexture.width,
height = firstTexture.height,
format = GetTextureFormat(),
levels = mipmap ? 0 : 1,
encoding = 2,
faces = 6,
mapping = 1,
anisotropy = firstTexture.anisoLevel,
}
}
};
}
}
