private static void PNG2TEX(string input, string output, string resSPath = "./")
{
byte[] dstTex2D = File.ReadAllBytes(output);
Texture2D texture;
try
{
texture = new Texture2D(dstTex2D);
if (!texture.isTexture2D)
{
return;
}
if (texture.format == TextureFormat.Alpha8 ||
texture.format == TextureFormat.ARGB4444 ||
texture.format == TextureFormat.RGBA4444 ||
texture.format == TextureFormat.RGBA32 ||
texture.format == TextureFormat.ARGB32 ||
texture.format == TextureFormat.RGB24 ||
texture.format == TextureFormat.RGB565 ||
texture.format == TextureFormat.ETC_RGB4 ||
texture.format == TextureFormat.ETC2_RGB ||
texture.format == TextureFormat.ETC2_RGBA8 ||
texture.format == TextureFormat.DXT5 ||
texture.format == TextureFormat.DXT1 ||
texture.format == TextureFormat.ASTC_RGBA_4x4 ||
texture.format == TextureFormat.ASTC_RGB_4x4)
{
ImageMagick.MagickImage im = new MagickImage(input);
if ((im.Width != texture.width) || im.Height != texture.height)
{
//display error to user
Console.WriteLine("Error: texture is {0} x {1} , but png bitmap is {2} x {3}.Exit.",
texture.width,
texture.height,
im.Width,
im.Height);
return;
}
im.Flip();
byte[] sourceData = im.GetPixels().ToByteArray(0, 0, im.Width, im.Height, "RGBA");
byte[] outputData;
Console.WriteLine("Reading:{0}\n Width:{1}\n Height:{2}\n Format:{3}\n",
input,
im.Width,
im.Height,
texture.format.ToString());
Console.WriteLine("Converting...");
TextureConverter.CompressTexture(texture.format, im.Width, im.Height, sourceData, out outputData);
if (texture.bMipmap && texture.mipmapCount >= 3)
{
Console.WriteLine("Generating Mipmap...");
for (var m = 0; m <= 3; m++)
{
im.AdaptiveResize(im.Width / 2, im.Height / 2);
Console.WriteLine("Generating ...{0}x{1}",
im.Width,
im.Height);
sourceData = im.GetPixels().ToByteArray(0, 0, im.Width, im.Height, "RGBA");
byte[] dst;
TextureConverter.CompressTexture(texture.format, im.Width, im.Height, sourceData, out dst);
outputData = outputData.Concat(dst).ToArray();
}
}
if (outputData != null)
{
if ((outputData.Length > texture.textureSize))
{
Console.WriteLine("Error: generated data size {0}> original texture size {1}. Exit.", outputData.Length, texture.textureSize);
}
if (texture.bHasResSData == true)
{
output = string.Format("{0}/{1}", resSPath, texture.resSName);
}
if (File.Exists(output))
{
Console.WriteLine("Writing...{0}", output);
using (FileStream fs = File.Open(output, FileMode.Open, FileAccess.ReadWrite))
{
fs.Seek(texture.dataPos, SeekOrigin.Begin);
fs.Write(outputData, 0, outputData.Length);
fs.Flush();
}
Console.WriteLine("File Created...");
}
else
{
Console.WriteLine("Error: file {0} not found", output);
}
}
else
{
Console.WriteLine("Error: generated data size {0}> original texture size {1}. Exit.", outputData.Length, texture.textureSize);
}
}
}
catch (Exception ex)
{
Console.WriteLine("Error:Not A valid Texture: {0}", ex.ToString());
}
}