| private static ExtractHoudiniImageToTextureRaw ( HoudiniEngineUnity.HEU_SessionBase session, HoudiniEngineUnity.HAPI_MaterialInfo materialInfo, string imagePlanes ) : Texture2D | ||
| session | HoudiniEngineUnity.HEU_SessionBase | |
| materialInfo | HoudiniEngineUnity.HAPI_MaterialInfo | |
| imagePlanes | string | |
| 리턴 | Texture2D | |
public static Texture2D RenderAndExtractImageToTexture(HEU_SessionBase session, HAPI_MaterialInfo materialInfo, HAPI_ParmId textureParmID, string textureName, string assetCacheFolderPath)
{
//Debug.LogFormat("Rendering texture {0} with name {1} for material {2} at path {3}", textureParmID, textureName, materialInfo.nodeId, assetCacheFolderPath);
Texture2D texture = null;
// First we get Houdini to render the texture to an image buffer, then query the buffer over HAPI
// Next we convert to PNG, and write out to file in our Assets directory
// The reason for querying as a buffer is to workaround a bug with ExtractHoudiniImageToTextureFile
// Note: intentionly ignoring any errors as sometimes there aren't any textures
if (session.RenderTextureToImage(materialInfo.nodeId, textureParmID, false))
{
texture = HEU_MaterialFactory.ExtractHoudiniImageToTextureRaw(session, materialInfo, "C A");
if(texture != null)
{
texture.name = textureName;
// Get the Textures folder in the assetCacheFolderPath. Make sure it exists.
assetCacheFolderPath = HEU_AssetDatabase.AppendTexturesPathToAssetFolder(assetCacheFolderPath);
HEU_AssetDatabase.CreatePathWithFolders(assetCacheFolderPath);
// We are defaulting to PNG here if no extension already set. This forces it to use PNG format below.
if (!textureName.EndsWith(".png") && !textureName.EndsWith(".jpg"))
{
textureName = textureName + ".png";
}
string textureFileName = HEU_Platform.BuildPath(assetCacheFolderPath, string.Format("{0}", textureName));
byte[] encodedBytes;
if(textureName.EndsWith(".jpg"))
{
encodedBytes = texture.EncodeToJPG();
}
else // Use PNG otherwise
{
encodedBytes = texture.EncodeToPNG();
}
HEU_Platform.WriteBytes(textureFileName, encodedBytes);
// Re-import for project to recognize the new texture file
HEU_AssetDatabase.ImportAsset(textureFileName, HEU_AssetDatabase.HEU_ImportAssetOptions.Default);
// Load the new texture file
texture = HEU_AssetDatabase.LoadAssetAtPath(textureFileName, typeof(Texture2D)) as Texture2D;
}
//texture = HEU_MaterialFactory.ExtractHoudiniImageToTextureFile(session, materialInfo, "C A", assetCacheFolderPath);
}
return texture;
}
