/**
* 保存纹理图片相关信息
*/
public string SaveTextureFormat(Texture2D tex, string texPath, string matPath, bool closemipmap = false, string ext = "png", bool normal = false)
{
string name = PathHelper.CheckFileName(tex.name + ".image.json");
MyJson_Tree textureItem = new MyJson_Tree();
var fileName = texPath.Substring(0, texPath.LastIndexOf(".") + 1) + ext;
textureItem.SetString("name", PathHelper.CheckFileName(texPath));
textureItem.SetEnum("filterMode", tex.filterMode, true);
textureItem.SetEnum("wrap", tex.wrapMode, true);
textureItem.SetBool("mipmap", !closemipmap && tex.mipmapCount > 1);
if (tex.anisoLevel > 1)
{
textureItem.SetNumber("anisotropy", tex.anisoLevel);
}
if (tex.format == TextureFormat.Alpha8)
{
textureItem.SetString("format", "Gray");
}
else if (ext == "jpg" ||
tex.format == TextureFormat.RGB24 ||
tex.format == TextureFormat.PVRTC_RGB2 ||
tex.format == TextureFormat.PVRTC_RGB4 ||
tex.format == TextureFormat.RGB565 ||
tex.format == TextureFormat.ETC_RGB4 ||
tex.format == TextureFormat.ATC_RGB4 ||
tex.format == TextureFormat.ETC2_RGB ||
tex.format == TextureFormat.ASTC_RGB_4x4 ||
tex.format == TextureFormat.ASTC_RGB_5x5 ||
tex.format == TextureFormat.ASTC_RGB_6x6 ||
tex.format == TextureFormat.ASTC_RGB_8x8 ||
tex.format == TextureFormat.ASTC_RGB_10x10 ||
tex.format == TextureFormat.ASTC_RGB_12x12
)
{
textureItem.SetString("format", "RGB");
}
textureItem.SetInt("version", 2);
//得到.imgdesc.json数据，并保存到bufs中
System.Text.StringBuilder sb = new System.Text.StringBuilder();
textureItem.CovertToStringWithFormat(sb, 4);
byte[] bs = System.Text.Encoding.UTF8.GetBytes(sb.ToString());
//相对路径
var imgdescPath = texPath.Substring(0, texPath.LastIndexOf("/") + 1) + name;
this.AddFileBuffer(imgdescPath, bs);
return(imgdescPath);
}