public static void SetTransformValues(Transform transform, CameraLocation camLoc)
{
Vector3 position;
Quaternion rotation;
Vector3 localScale;
GetTransformValues(camLoc.WorldToCameraTransform, out position, out rotation, out localScale);
transform.position = position;
transform.rotation = rotation;
transform.localScale = localScale;
}
public static void UpdateDisplay(Texture2D tex, CameraLocation camLoc)
{
Texture = tex;
Texture.name = tex.name;
Container = new GameObject();
SampleProjector = new Projector();
CameraLocation.SetTransformValues(SampleProjector.transform, camLoc);
CameraLocation.SetTransformValues(Container.transform, camLoc);
SampleProjector.transform.parent = Container.transform;
}
public static CameraLocation Load(string filepath)
{
CameraLocation camLoc = null;
if (File.Exists(filepath))
{
camLoc = new CameraLocation();
string[] fileLines = File.ReadAllLines(filepath);
if (fileLines.Length != 17)
{
return(null);
}
// Read in CameraToWorldTransform matrix
Matrix4x4 camToWorldTransform = new Matrix4x4();
for (int i = 0; i < 4; i++)
{
camToWorldTransform.SetRow(i, ReadMatrixRow(fileLines[i + 1]));
}
// Read in ProjectionTransform matrix
Matrix4x4 projectionTransform = new Matrix4x4();
for (int i = 0; i < 4; i++)
{
projectionTransform.SetRow(i, ReadMatrixRow(fileLines[i + 8]));
}
// Read in Near Clip Plane
float nearClipPlane = float.Parse(fileLines[14]);
// Read in Far Clip Plane
float farClipPlane = float.Parse(fileLines[16]);
// Set CameraLocation data
camLoc.HasLocationData = true;
camLoc.CameraToWorldTransform = camToWorldTransform;
camLoc.ProjectionTransform = projectionTransform;
camLoc.WorldToCameraTransform = camToWorldTransform.inverse;
camLoc.NearClipPlane = nearClipPlane;
camLoc.FarClipPlane = farClipPlane;
camLoc.name = GetFileNameWithoutExtension(filepath);
}
return(camLoc);
}
// Save a photo and its location information to a file
public static void OnCapturedPhotoToMemory(PhotoCapture.PhotoCaptureResult result, PhotoCaptureFrame frame)
{
// If photo was taken...
if (result.success)
{
Resolution camRes = Constants.Camera.CameraResolution();
// Generate blank texture canvas
Texture2D targetTexture = new Texture2D(
camRes.width, // Width of the texture
camRes.height, // Height of the texture
TextureFormat.BGRA32, // Format of the texture (Hololens image format)
false // Don't mipmap the texture
);
// Copy the raw image data into our target texture
frame.UploadImageDataToTexture(targetTexture);
// The image is flipped and MUST BE REORIENTED in a custom shader
targetTexture = FlipTexture.FlipHorizontal(targetTexture);
// Save the texture to a file
targetTexture.name = Constants.Names.TextureAutoName + Constants.Names.TextureAutoSuffixInt;
//SaveTexture.Save(targetTexture, RoomTexture.FileSuffixTypes.PNG, RoomTexture.RoomTextureFolderPath);
SaveTexture.Save(targetTexture, Constants.Suffixes.ImageSuffixTypes.PNG, Constants.Folders.RoomTextureFolderPath);
Destroy(targetTexture);
// Save the camera location information to a file
CameraLocation camLoc = new CameraLocation(frame);
CameraLocation.Save(camLoc, Constants.Camera.CameraLocationAutoName + Constants.Names.TextureAutoSuffixInt);
// Adjust the automatic tracker number for the texture/cameraLocation file
Constants.Names.TextureAutoSuffixInt++;
// Display to DisplayManager most recently saved photo and location
DisplayManager.UpdateDisplay(targetTexture, camLoc);
}
}
/// <summary>
/// Save a file representing the stored matrices with the given filename. Assumes that the filename doesn't have an extension (will automatically assign it).
/// </summary>
/// <param name="cameraLocation"></param>
/// <param name="filename"></param>
public static void Save(CameraLocation cameraLocation, string filename)
{
string camToWorldString = "{";
string projectionString = "{";
string nearClipPlaneString = cameraLocation.NearClipPlane.ToString();
string farClipPlaneString = cameraLocation.FarClipPlane.ToString();
if (cameraLocation.hasLocationData)
{
// Record the Camera To World Transform
for (int y = 0; y < 4; y++)
{
Vector4 rowData = cameraLocation.CameraToWorldTransform.GetRow(y);
camToWorldString +=
Environment.NewLine + rowData.x + Constants.Camera.CameraLocation_MatrixCellSeparator
+ rowData.y + Constants.Camera.CameraLocation_MatrixCellSeparator
+ rowData.z + Constants.Camera.CameraLocation_MatrixCellSeparator
+ rowData.w;
}
camToWorldString += Environment.NewLine + "}";
// Record the Projection Transform
for (int y = 0; y < 4; y++)
{
Vector4 rowData = cameraLocation.ProjectionTransform.GetRow(y);
projectionString +=
Environment.NewLine + rowData.x + Constants.Camera.CameraLocation_MatrixCellSeparator
+ rowData.y + Constants.Camera.CameraLocation_MatrixCellSeparator
+ rowData.z + Constants.Camera.CameraLocation_MatrixCellSeparator
+ rowData.w;
}
projectionString += Environment.NewLine + "}";
}
else
{
for (int y = 0; y < 4; y++)
{
camToWorldString += Environment.NewLine;
projectionString += Environment.NewLine;
for (int x = 0; x < 3; x++)
{
camToWorldString += "0" + Constants.Camera.CameraLocation_MatrixCellSeparator;
projectionString += "0" + Constants.Camera.CameraLocation_MatrixCellSeparator;
}
camToWorldString += '0';
projectionString += '0';
}
camToWorldString += Environment.NewLine + "}";
projectionString += Environment.NewLine + "}";
}
// Create a file or open one for overwriting
File.WriteAllText(
// Camera location info folder path + (name & file suffix)
Constants.Folders.CameraLocationFolderPath
+ filename
+ Constants.Suffixes.FileSuffix_CameraLocation,
// Contents to write to file
camToWorldString + Constants.Camera.CameraLocation_MatrixSeparator
+ projectionString + Constants.Camera.CameraLocation_MatrixSeparator
+ nearClipPlaneString + Constants.Camera.CameraLocation_MatrixSeparator
+ farClipPlaneString
);
#if UNITY_EDITOR
// Immediately update folders / files shown
AssetDatabase.Refresh();
#endif
}
// This assumes that all information found on
// https://developer.microsoft.com/en-us/windows/holographic/locatable_camera
// is correct.
//
// This version of the method adds the projector to the container since you can't add manipulated components to a GameObject dynamically
public static Projector GenerateProjector(GameObject container, string CameraLocationFilePath, string TextureFilePath)
{
Projector newProjector = null;
CameraLocation camLoc = CameraLocation.Load(CameraLocationFilePath);
if (camLoc.HasLocationData && container != null)
{
newProjector = container.AddComponent <Projector>();
// Set the main aspects of the projector
int horizontalFOV = CameraLocation.GetHorizontalFOV(Constants.Camera.CameraResolution()); // in degrees
newProjector.aspectRatio = 16.0f / 9.0f;
newProjector.fieldOfView = horizontalFOV / newProjector.aspectRatio;
newProjector.orthographic = false;
newProjector.nearClipPlane = camLoc.NearClipPlane;
newProjector.farClipPlane = camLoc.FarClipPlane;
CameraLocation.SetTransformValues(newProjector.transform, camLoc);
// ERROR TESTING REMOVE
/*
* // Set the position, rotation, and scale of the projector
* // This information was found on a forum post at http://answers.unity3d.com/questions/402280/how-to-decompose-a-trs-matrix.html
* newProjector.transform.position = camLoc.WorldToCameraTransform.GetColumn(3);
* newProjector.transform.rotation = Quaternion.LookRotation(
* camLoc.WorldToCameraTransform.GetColumn(2),
* camLoc.WorldToCameraTransform.GetColumn(1)
* );
* newProjector.transform.localScale = new Vector3(
* camLoc.WorldToCameraTransform.GetColumn(0).magnitude,
* camLoc.WorldToCameraTransform.GetColumn(1).magnitude,
* camLoc.WorldToCameraTransform.GetColumn(2).magnitude
* );
*/
// Set the name
newProjector.name = Constants.Names.Projector_AutoName + camLoc.name;
// Generate and set the material
Texture2D tex = LoadTexture.Load(TextureFilePath);
//Material mat = MaterialMaker.GenerateRoomMaterial(tex, RoomTexture.Projector_MaterialAutoName + camLoc.name);
Material mat = MaterialMaker.GenerateRoomMaterial(tex);
#if UNITY_EDITOR
// ERROR TESTING - DOESN'T EVEN APPLY TO FINAL BUILD
SaveMaterial.Save(mat);
#endif
// AssetDatabase.CreateAsset(mat, RoomTexture.MaterialFolderPath + mat.name);
// AssetDatabase.Refresh();
newProjector.material = mat;
// Set it to ignore all layers except for the one it needs to project onto
int layerID = LayerMask.NameToLayer(Constants.Names.LayerName);
int ignoreLayer = 1 << layerID;
ignoreLayer = ~ignoreLayer;
newProjector.ignoreLayers = ignoreLayer;
// ERROR TESTING REMOVE
//AssetDatabase.CreateAsset(newProjector, Constants.Folders.ProjectorFolderPath + FileNameTranslator.ClippedTextureToProjector(tex.name));
//AssetDatabase.SaveAssets();
}
return(newProjector);
}
public static void GetShaderArrays(out Texture2DArray texArray, out Matrix4x4[] worldToCameraMatrixArray, out Matrix4x4[] projectionMatrixArray)
{
string[] clippedTexFiles = Directory.GetFiles(Constants.Folders.ClippedRoomTextureFolderPath);
string[] cameraLocFiles = Directory.GetFiles(Constants.Folders.CameraLocationFolderPath);
Resolution camRes = Constants.Camera.CameraResolution();
Resolution downgradedRes = GetDowngradedResolution(camRes);
int numLegitimateTextureFiles = 0;
foreach (string texFile in clippedTexFiles)
{
string fileExtension = Path.GetExtension(texFile);
if (!fileExtension.Equals(Constants.Suffixes.FileSuffix_PNG) &&
!fileExtension.Equals(Constants.Suffixes.FileSuffix_JPG))
{
continue;
}
++numLegitimateTextureFiles;
}
if (clippedTexFiles.Length > 0)
{
texArray = new Texture2DArray(downgradedRes.width, downgradedRes.height, numLegitimateTextureFiles, Constants.Camera.Format, false);
}
else
{
texArray = null;
}
worldToCameraMatrixArray = new Matrix4x4[cameraLocFiles.Length];
projectionMatrixArray = new Matrix4x4[cameraLocFiles.Length];
int arrayIndex = 0;
foreach (string texFile in clippedTexFiles)
{
string fileExtension = Path.GetExtension(texFile);
if (!fileExtension.Equals(Constants.Suffixes.FileSuffix_PNG) &&
!fileExtension.Equals(Constants.Suffixes.FileSuffix_JPG))
{
continue;
}
// ERROR TESTING REMOVE
// Adjust the texture filepath to ready it for loading by Resources.Load, which requires a relative path with NO file extension
//string correctFilepath = Constants.Folders.ClippedRoomTextureFolderPath_Load + Path.GetFileNameWithoutExtension(texFile);
Texture2D tex = LoadTexture.Load(texFile);
Texture2D downgradedTex = DowngradeTexture(tex, downgradedRes);
// copy texture into texture array
texArray.SetPixels32(downgradedTex.GetPixels32(), arrayIndex);
// ERROR TESTING REMOVE
//Graphics.CopyTexture(downgradedTex, 0, 0, texArray, arrayIndex, 0);
CameraLocation camLoc = CameraLocation.Load(Constants.Folders.CameraLocationFolderPath + FileNameTranslator.ClippedTextureToCameraLocation(Path.GetFileNameWithoutExtension(texFile)) + Constants.Suffixes.FileSuffix_CameraLocation);
if (camLoc != null)
{
worldToCameraMatrixArray[arrayIndex] = camLoc.WorldToCameraTransform;
projectionMatrixArray[arrayIndex] = camLoc.ProjectionTransform;
}
++arrayIndex;
}
}
