/// <summary>
/// Loads a texture from a stream
/// </summary>
/// <param name="stream">The stream</param>
/// <param name="format">The format **NOT UNITYENGINE.TEXTUREFORMAT**</param>
/// <returns></returns>
public static Texture2D LoadTexture(Stream stream, TextureFormat format)
{
if (format == TextureFormat.BMP)
{
return(new BMPLoader().LoadBMP(stream).ToTexture2D());
}
else if (format == TextureFormat.DDS)
{
return(DDSLoader.Load(stream));
}
else if (format == TextureFormat.JPG || format == TextureFormat.PNG)
{
byte[] buffer = new byte[stream.Length];
stream.Read(buffer, 0, (int)stream.Length);
Texture2D texture = new Texture2D(1, 1);
texture.LoadImage(buffer);
return(texture);
}
else if (format == TextureFormat.TGA)
{
return(TGALoader.Load(stream));
}
else
{
return(null);
}
}
/// <summary>
/// Loads a texture from a file
/// </summary>
/// <param name="fn"></param>
/// <param name="normalMap"></param>
/// <returns></returns>
public static Texture2D LoadTexture(string fn)
{
if (!File.Exists(fn))
{
return(null);
}
var textureBytes = File.ReadAllBytes(fn);
string ext = Path.GetExtension(fn).ToLower();
string name = Path.GetFileName(fn);
Texture2D returnTex = null;
switch (ext)
{
case ".png":
case ".jpg":
case ".jpeg":
returnTex = new Texture2D(1, 1);
returnTex.LoadImage(textureBytes);
returnTex = ImageLoaderHelper.VerifyFormat(returnTex);
break;
case ".dds":
returnTex = DDSLoader.Load(textureBytes);
break;
case ".tga":
returnTex = TGALoader.Load(textureBytes);
break;
case ".bmp":
returnTex = new BMPLoader().LoadBMP(textureBytes).ToTexture2D();
break;
case ".crn":
byte[] crnBytes = textureBytes;
ushort crnWidth = System.BitConverter.ToUInt16(new byte[2] {
crnBytes[13], crnBytes[12]
}, 0);
ushort crnHeight = System.BitConverter.ToUInt16(new byte[2] {
crnBytes[15], crnBytes[14]
}, 0);
byte crnFormatByte = crnBytes[18];
var crnTextureFormat = UnityEngine.TextureFormat.RGB24;
if (crnFormatByte == 0)
{
crnTextureFormat = UnityEngine.TextureFormat.DXT1Crunched;
}
else if (crnFormatByte == 2)
{
crnTextureFormat = UnityEngine.TextureFormat.DXT5Crunched;
}
else if (crnFormatByte == 12)
{
crnTextureFormat = UnityEngine.TextureFormat.ETC2_RGBA8Crunched;
}
else
{
Debug.LogError("Could not load crunched texture " + name + " because its format is not supported (" + crnFormatByte + "): " + fn);
break;
}
returnTex = new Texture2D(crnWidth, crnHeight, crnTextureFormat, true);
returnTex.LoadRawTextureData(crnBytes);
returnTex.Apply(true);
break;
default:
Debug.LogError("Could not load texture " + name + " because its format is not supported : " + fn);
break;
}
if (returnTex != null)
{
returnTex.name = Path.GetFileNameWithoutExtension(fn);
}
return(returnTex);
}
