public void registerAsset(JsonTexture asset)
{
if (collectExternAssets)
{
externalAssets.registerAsset(asset);
}
}
public static void copyTexture(JsonTexture jsonTex, string targetDir, string projectDir, Logger logger = null)
{
logger = Logger.getValid(logger);
var texPath = jsonTex.path;
var ext = System.IO.Path.GetExtension(texPath).ToLower();
var srcPath = System.IO.Path.Combine(projectDir, texPath); //TODO: The asset can be elswhere.
bool supportedFile = isSupportedTexExtension(ext);
if (!supportedFile)
{
logger.logWarningFormat(
"Import of \"{0}\" format used by \"{1}\" is not supported.\n" +
"Attempting conversion to \"*.png\"\n" +
"Target material will be remapped to use converted texture.", ext, texPath);
}
bool exists = System.IO.File.Exists(srcPath);
var dstPath = System.IO.Path.Combine(targetDir, texPath);
var dstDir = System.IO.Path.GetDirectoryName(dstPath);
System.IO.Directory.CreateDirectory(dstDir);
if (exists)
{
if (supportedFile)
{
System.IO.File.Copy(srcPath, dstPath, true);
return;
}
else
{
var unsupportedPath = System.IO.Path.Combine(targetDir, unsupportedTexFolder);
unsupportedPath = System.IO.Path.Combine(unsupportedPath, texPath);
System.IO.Directory.CreateDirectory(System.IO.Path.GetDirectoryName(unsupportedPath));
//System.IO.File.Copy(srcPath, dstPath, true);
System.IO.File.Copy(srcPath, unsupportedPath, true);
}
}
else
{
logger.logWarningFormat("Asset \"{0}\" is not found on disk, attempting recovery from texture data.", srcPath);
}
bool useExr = false;
var formatExt = useExr ? ".exr" : ".png";
logger.logWarningFormat("Attempting to write image data in {1} format for: {0}\nData Loss possible.", texPath, formatExt);
var tex2D = (Texture2D)(jsonTex.textureRef);
if (!tex2D)
{
logger.logWarningFormat("Not a 2d texture: \"{0}\". Texture not saved.", texPath);
return;
}
var savePath = System.IO.Path.ChangeExtension(dstPath, formatExt);
TextureUtility.saveReadOnlyTexture(savePath, tex2D, jsonTex, useExr);
}
/*
* Have to do it the hard way, unless we implement tiff reader in C#.
*/
public static void saveReadOnlyTexture(string path, Texture2D tex, JsonTexture jsonTex, bool useExr, Logger logger = null)
{
logger = Logger.getValid(logger);
bool compressedNormalMap = jsonTex.normalMapFlag &&
((tex.format == TextureFormat.DXT5) || (tex.format == TextureFormat.DXT1) || (tex.format == TextureFormat.BC5));
var texFmt = TextureFormat.ARGB32;
var rendFmt = RenderTextureFormat.ARGB32;
bool linear = !jsonTex.sRGB;
RenderTexture tmpRend = RenderTexture.GetTemporary(tex.width, tex.height, 0,
rendFmt, linear ? RenderTextureReadWrite.Linear: RenderTextureReadWrite.sRGB);
Graphics.Blit(tex, tmpRend);
RenderTexture prev = tmpRend;
RenderTexture.active = tmpRend;
Texture2D tmpTex2d = new Texture2D(tex.width, tex.height, texFmt, false, linear);
tmpTex2d.hideFlags = HideFlags.HideAndDontSave;
tmpTex2d.ReadPixels(new Rect(0, 0, tmpRend.width, tmpRend.height), 0, 0);
tmpTex2d.Apply();
logger.logFormat("Format of processed normalmap : {0}", tex.format);
if (compressedNormalMap)
{
logger.logWarningFormat("Compressed normalmap detected: \"{0}\" ({1}).\n" +
"Texture conversion will be performed.\n" +
"Data loss may occur while saving to png.", jsonTex.path, tex.format);
var pixels = tmpTex2d.GetPixels();
for (int i = 0; i < pixels.Length; i++)
{
var packed = pixels[i];
float x = packed.r * packed.a;
float y = packed.g;
x = x * 2.0f - 1.0f;
y = y * 2.0f - 1.0f;
float z = Mathf.Sqrt(1.0f - (x * x + y * y));
pixels[i] = new Color(x * 0.5f + 0.5f, y * 0.5f + 0.5f, z * 0.5f + 0.5f, 1.0f);
}
tmpTex2d.SetPixels(pixels);
tmpTex2d.Apply();
}
RenderTexture.active = prev;
RenderTexture.ReleaseTemporary(tmpRend);
var bytes = useExr ? tmpTex2d.EncodeToEXR(): tmpTex2d.EncodeToPNG();
destroyEditorObject(tmpTex2d);
/*
* if (Application.isEditor && !Application.isPlaying)
* Object.DestroyImmediate(tmpTex2d);
* else
* Object.Destroy(tmpTex2d);
*/
Utility.saveBytesToFile(path, bytes);
}
public void registerAsset(JsonTexture newObj)
{
textures.Add(newObj);
}