/// <summary>
/// Computes the texture map resolution for the current submesh.
/// </summary>
private void ComputeTextureMapResolution()
{
int textureMapResolutionInt = _textureMapResolutionMinMax.x;
if (textureMapResolutionInt != _textureMapResolutionMinMax.y)
{
// Compute the submesh's bounds (quick approximation).
float boundsRelativeMagnitude = 1f;
Mesh globalMesh = PMGlobalMeshEF.globalMesh;
if (globalMesh.subMeshCount > 1)
{
Bounds bounds = new Bounds();
int maxTriangleCount = 100;
int[] submeshTriangles = globalMesh.GetTriangles(_submeshIndex);
int submeshTriangleCount = submeshTriangles.Length / 3;
int skipFactor = Mathf.CeilToInt(submeshTriangleCount * 1f / maxTriangleCount);
for (int triangleIndex = 0; triangleIndex < submeshTriangleCount; triangleIndex += 3 * skipFactor)
{
bounds.Encapsulate(globalMesh.vertices[submeshTriangles[3 * triangleIndex]]);
bounds.Encapsulate(globalMesh.vertices[submeshTriangles[3 * triangleIndex + 1]]);
bounds.Encapsulate(globalMesh.vertices[submeshTriangles[3 * triangleIndex + 2]]);
}
boundsRelativeMagnitude = bounds.size.magnitude / globalMesh.bounds.size.magnitude;
}
// Determine the texture map's resolution.
_textureMapResolution = ColorTextureArray.GetCeilPowerOfTwoForImages(cameraSetup.cameraModels) * 4;
float textureMapResolutionFloat = Mathf.Max(_textureMapResolution.x, _textureMapResolution.y);
textureMapResolutionFloat *= Mathf.Sqrt(boundsRelativeMagnitude);
textureMapResolutionInt = Mathf.NextPowerOfTwo(Mathf.RoundToInt(textureMapResolutionFloat));
// Submit to the min and max bounds.
textureMapResolutionInt = Mathf.Max(Mathf.Min(textureMapResolutionInt, _textureMapResolutionMinMax.y), _textureMapResolutionMinMax.x);
}
_textureMapResolution = new Vector2Int(textureMapResolutionInt, textureMapResolutionInt);
}
/// <summary>
/// Resets the object's properties.
/// </summary>
public void Reset()
{
// Check if there is a rendering caller.
renderingCaller = GetComponent <Rendering.Rendering>();
// Reset the key child components.
_cameraSetup = CameraSetup.CreateOrResetCameraSetup(transform);
_dataHandler = DataHandler.CreateOrResetDataHandler(transform);
// Initialize the processing methods.
_processingMethods = ProcessingMethod.CreateOrResetProcessingMethods(transform);
for (int iter = 0; iter < _processingMethods.Length; iter++)
{
_processingMethods[iter].InitializeLinks();
}
// Initialize the external tools.
_externalHelpers = ExternalHelper.CreateOrResetExternalHelpers(transform);
for (int iter = 0; iter < _externalHelpers.Length; iter++)
{
_externalHelpers[iter].InitializeLinks();
}
// Get the method defining the container for the input images.
_previewSourceImagesLoader = _processingMethods[0].PMColorTextureArray;
// Reads the acquisition information from the source data directory.
ReadAcquisitionInformation();
// Destroys all created method components.
foreach (MonoBehaviour component in GetComponents <MonoBehaviour>())
{
if (component is IMethodGUI)
{
DestroyImmediate(component);
}
}
}
/// <summary>
/// Coroutine that renders depth maps for each view using a given global mesh, and stores this information as a depth texture array.
/// </summary>
/// <returns></returns>
private IEnumerator StoreDepthMapTextureArrayCoroutine()
{
// Get the processed asset's name and path in the bundle.
string bundledAssetName = GetBundledAssetName(depthMapsAssetName);
string depthDataPathRelative = GetAssetPathRelative(bundledAssetName);
// Check if the asset has already been processed.
if (!dataHandler.IsAssetAlreadyProcessed(depthDataPathRelative))
{
// Reset the progress bar.
GeneralToolkit.ResetCancelableProgressBar(true, false);
// Create and initialize a temporary preview camera manager aimed at storing depth data.
PreviewCameraManager previewCameraManager = new GameObject("TempPreviewCameraManager").AddComponent <PreviewCameraManager>();
Transform previewCameraTransform = new GameObject("TempPreviewCamera").transform;
GeneralToolkit.CreateRenderTexture(ref previewCameraManager.targetTexture, Vector2Int.one, 24, RenderTextureFormat.RFloat, true, FilterMode.Point, TextureWrapMode.Clamp);
previewCameraManager.CreatePreviewCamera(previewCameraManager.gameObject, previewCameraTransform, cameraSetup.cameraModels[0]);
// Instantiate the mesh as a set of submeshes, provided with the default material.
Material defaultMat = new Material(GeneralToolkit.shaderStandard);
GameObject[] submeshGOs = new GameObject[PMGlobalMeshEF.globalMesh.subMeshCount];
for (int i = 0; i < submeshGOs.Length; i++)
{
submeshGOs[i] = new GameObject("TempMesh_" + i);
submeshGOs[i].transform.parent = previewCameraManager.transform;
submeshGOs[i].AddComponent <MeshFilter>().sharedMesh = PMGlobalMeshEF.globalMesh;
Material[] materials = new Material[submeshGOs.Length];
materials[i] = defaultMat;
submeshGOs[i].AddComponent <MeshRenderer>().materials = materials;
}
// Create an empty texture array in which to store the depth data.
Vector2Int arrayResolution; int arrayDepth;
ColorTextureArray.GetCorrectedPowerOfTwoForImages(cameraSetup.cameraModels, out arrayResolution, out arrayDepth);
depthData = new Texture2DArray(1, 1, 1, TextureFormat.RGB24, false);
GeneralToolkit.CreateTexture2DArray(ref depthData, arrayResolution, arrayDepth, TextureFormat.RGB24, false, FilterMode.Point, TextureWrapMode.Clamp, false);
// Create a render texture in which to store RFloat depth data, with the array's resolution.
RenderTexture arraySliceRFloatRenderTex = new RenderTexture(1, 1, 0);
GeneralToolkit.CreateRenderTexture(ref arraySliceRFloatRenderTex, arrayResolution, 24, RenderTextureFormat.RFloat, true, FilterMode.Point, TextureWrapMode.Clamp);
// Create a material and render texture to encode the RFloat distance as a RGB color.
Material distanceToColorMat = new Material(GeneralToolkit.shaderAcquisitionConvert01ToColor);
RenderTexture distanceAsColorTexture = new RenderTexture(1, 1, 0);
GeneralToolkit.CreateRenderTexture(ref distanceAsColorTexture, arrayResolution, 0, RenderTextureFormat.ARGB32, true, FilterMode.Point, TextureWrapMode.Clamp);
// Create a texture in which to store the RGB-encoded distance.
Texture2D arraySliceRGBTex = new Texture2D(1, 1);
GeneralToolkit.CreateTexture2D(ref arraySliceRGBTex, arrayResolution, TextureFormat.RGB24, true, FilterMode.Point, TextureWrapMode.Clamp, false);
// Create a depth map in each layer of the texture array, corresponding to each source camera.
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;
}
// Set the preview camera manager's camera model to the current source camera.
previewCameraManager.UpdateCameraModel(cameraSetup.cameraModels[i]);
// Render the depth data seen by this camera as an RFloat texture.
previewCameraManager.RenderPreviewToTarget(ref previewCameraManager.targetTexture, true);
// Resize the rendered texture to the output array's resolution.
Graphics.Blit(previewCameraManager.targetTexture, arraySliceRFloatRenderTex);
// Convert the resized RFloat texture to an RGB encoding.
Graphics.Blit(arraySliceRFloatRenderTex, distanceAsColorTexture, distanceToColorMat);
// Store the RGB color texture into the texture array.
GeneralToolkit.CopyRenderTextureToTexture2D(distanceAsColorTexture, ref arraySliceRGBTex);
depthData.SetPixels(arraySliceRGBTex.GetPixels(), i);
depthData.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(depthData, depthDataPathRelative);
AssetDatabase.Refresh();
}
// Destroy the created textures and conversion material.
DestroyImmediate(arraySliceRGBTex);
DestroyImmediate(distanceAsColorTexture);
DestroyImmediate(distanceToColorMat);
DestroyImmediate(arraySliceRFloatRenderTex);
// Destroy the created meshes and default material.
DestroyImmediate(defaultMat);
foreach (GameObject submeshGO in submeshGOs)
{
DestroyImmediate(submeshGO);
}
// Destroy the preview camera manager.
previewCameraManager.DestroyPreviewCamera();
DestroyImmediate(previewCameraManager.gameObject);
// Reset the progress bar.
GeneralToolkit.ResetCancelableProgressBar(true, false);
}
Texture2DArray depthDataAsset = AssetDatabase.LoadAssetAtPath <Texture2DArray>(depthDataPathRelative);
depthData = (Texture2DArray)Instantiate(depthDataAsset);
}
