/// <inheritdoc/>
protected override IEnumerator ExecuteMethodCoroutine()
{
// Get the processed asset's name and path in the bundle.
string bundledAssetName = GetBundledAssetName(colorDataAssetName);
string colorDataPathRelative = GetAssetPathRelative(bundledAssetName);
// Check if the asset has already been processed.
if (!dataHandler.IsAssetAlreadyProcessed(colorDataPathRelative))
{
// Reset the progress bar.
GeneralToolkit.ResetCancelableProgressBar(true, false);
// Determine the resolution and depth that should be given to the texture array.
Vector2Int arrayResolution; int arrayDepth;
GetCorrectedPowerOfTwoForImages(cameraSetup.cameraModels, out arrayResolution, out arrayDepth);
// Create an empty texture array.
colorData = new Texture2DArray(1, 1, 1, TextureFormat.RGBA32, useMipMaps);
GeneralToolkit.CreateTexture2DArray(ref colorData, arrayResolution, arrayDepth, TextureFormat.RGB24, false, FilterMode.Point, TextureWrapMode.Clamp, useMipMaps);
// Create an empty texture, with the array's resolution.
Texture2D arraySlice = new Texture2D(1, 1);
GeneralToolkit.CreateTexture2D(ref arraySlice, arrayResolution, TextureFormat.RGB24, false, FilterMode.Point, TextureWrapMode.Clamp, useMipMaps);
// Create an empty texture, in which we will load the set of source images one-by-one.
Texture2D loadTex = new Texture2D(1, 1);
// Process as many images as possible from the set of source images.
for (int i = 0; i < arrayDepth; i++)
{
// Update the progress bar, and enable the user to cancel the process.
DisplayAndUpdateCancelableProgressBar();
if (GeneralToolkit.progressBarCanceled)
{
processingCaller.processingCanceled = true;
break;
}
// Load the camera model.
CameraModel cameraModel = cameraSetup.cameraModels[i];
// Load the image into a texture object.
string imagePath = Path.Combine(dataHandler.colorDirectory, cameraModel.imageName);
GeneralToolkit.CreateTexture2D(ref loadTex, cameraModel.pixelResolution, TextureFormat.RGB24, false, FilterMode.Point, TextureWrapMode.Clamp, useMipMaps);
GeneralToolkit.LoadTexture(imagePath, ref loadTex);
// Resize the texture so that it fits the array's resolution.
GeneralToolkit.ResizeTexture2D(loadTex, ref arraySlice);
// Add the texture to the texture array.
colorData.SetPixels(arraySlice.GetPixels(), i);
colorData.Apply();
yield return(null);
}
// If the user has not canceled the process, continue.
if (!GeneralToolkit.progressBarCanceled)
{
// Create an asset from this texture array.
AssetDatabase.CreateAsset(colorData, colorDataPathRelative);
AssetDatabase.Refresh();
}
// Destroy created objects.
DestroyImmediate(loadTex);
DestroyImmediate(arraySlice);
// Reset the progress bar.
GeneralToolkit.ResetCancelableProgressBar(true, false);
}
Texture2DArray colorDataAsset = AssetDatabase.LoadAssetAtPath <Texture2DArray>(colorDataPathRelative);
colorData = (Texture2DArray)Instantiate(colorDataAsset);
}