// This runs everything, and is set so that when the event is triggered, it cascades the wealth of commands it needs to
public static GameObject GenerateTexturePrefab()
{
// Grab the Room Texture folder
// Grab the CameraLocation folder
//
// Get the textures out of the texture folder and make materials out of them
// Get the camera locations and generate projectors
// Get the room mesh from wherever it is stored
// Instantiate the room mesh and save it to the scene
// Instantiate the projectors and save them to the scene
// Make the projectors children of the mesh
// Make the mesh and all its children a prefab - save this prefab
// Save the scene and asset database
// Alpha clip adjust and SAVE the textures
foreach (string rawTexFile in Directory.GetFiles(Constants.Folders.RoomTextureFolderPath))
{
Texture2D rawRoomTex = LoadTexture.Load(rawTexFile);
AlphaClipTexture.AlphaClip(rawRoomTex);
}
// Create an empty GameObject to house all of the Texture Projectors
GameObject RoomTextureObject = new GameObject();
RoomTextureObject.name = Constants.Names.TexturePrefabName;
LayerSwitcher.SetLayer(RoomTextureObject, Constants.Names.LayerName);
// Load up all alpha clipped textures to create materials
foreach (string clippedTexFile in Directory.GetFiles(Constants.Folders.ClippedRoomTextureFolderPath))
{
string clippedRoomTexName = Path.GetFileNameWithoutExtension(clippedTexFile);
// Generate the projector and its GameObject container
// Attach the container onto the overall RoomTextureObject as a child
GameObject ProjectorChild = new GameObject();
ProjectorChild.transform.parent = RoomTextureObject.transform;
Projector textureProjector = TextureProjector.GenerateProjector(
ProjectorChild, // GameObject to house the projector
Constants.Folders.CameraLocationFolderPath + FileNameTranslator.ClippedTextureToCameraLocation(clippedRoomTexName), // Camera Location file path
clippedTexFile // Clipped texture file path
);
ProjectorChild.name = textureProjector.name;
}
#if UNITY_EDITOR
// Create a prefab of all the projectors
GameObject prefab = PrefabUtility.CreatePrefab(Constants.Folders.PrefabFolderPath + RoomTextureObject.name, RoomTextureObject);
SaveTexturePrefab.Save();
AssetDatabase.Refresh();
AssetDatabase.SaveAssets(); // ERROR TESTING - is this the correct order?
#else
GameObject prefab = null;
#endif
return(prefab);
}
public static Material GenerateRoomMaterial(Texture2D tex)
{
Material mat = new Material(Shader.Find(Constants.Shaders.RoomTexture));
mat.SetTexture("_ProjectionTexture", tex);
mat.name = FileNameTranslator.ClippedTextureToMaterial(tex.name);
return(mat);
}
public static Texture2D AlphaClip(Texture2D tex)
{
// Safeguard against bad input
bool debug = Constants.DebugStrings.DebugFlag;
if (tex == null)
{
if (debug)
{
Debug.Log("AlphaClip() encountered a null texture.");
}
throw new System.Exception(Constants.ErrorStrings.NullTexture);
}
// Run method
if (debug)
{
// Display startup of method
Debug.Log("Starting AlphaClip() method.");
// Display texture info
if (tex != null)
{
Debug.Log("AlphaClip() received texture\n"
+ "\tName: " + tex.name + "\n"
+ "\tWidth: " + tex.width + "\n"
+ "\tHeight: " + tex.height + "\n");
}
}
// Texture format options limited because of Unity method
Texture2D clippedTex = new Texture2D(tex.width, tex.height, TextureFormat.RGBA32, false, false);
// Prevent texture from tiling in projector
clippedTex.wrapMode = TextureWrapMode.Clamp;
// Adjust the pixels
Color[] pixels = tex.GetPixels();
// Make horizontal edge pixels transparent
for (int i = 0; i < clippedTex.width; i++)
{
// Overwrite the bottom row of pixels
int bottomRowPixel = i;
pixels[bottomRowPixel] = new Color(
pixels[bottomRowPixel].r, // Same red
pixels[bottomRowPixel].g, // Same green
pixels[bottomRowPixel].b, // Same blue
0 // Make pixel transparent
);
// Overwrite the top row of pixels
int topRowPixel = clippedTex.width * (clippedTex.height - 1) + i;
pixels[topRowPixel] = new Color(
pixels[topRowPixel].r, // Same red
pixels[topRowPixel].g, // Same green
pixels[topRowPixel].b, // Same blue
0 // Make pixel transparent
);
}
// Make vertical edge pixels transparent
for (int j = 0; j < clippedTex.height; j++)
{
//Debug.Log("j = " + j + "; index = " + (j * tex.width + tex.width - 1).ToString());
// Overwrite the left column of pixels
int leftColumnPixel = j * clippedTex.width;
pixels[leftColumnPixel] = new Color(
pixels[leftColumnPixel].r, // Same red
pixels[leftColumnPixel].g, // Same green
pixels[leftColumnPixel].b, // Same blue
0 // Make pixel transparent
);
// Overwrite the right column of pixels
int rightColumnPixel = j * clippedTex.width + clippedTex.width - 1;
pixels[rightColumnPixel] = new Color(
pixels[rightColumnPixel].r, // Same red
pixels[rightColumnPixel].g, // Same green
pixels[rightColumnPixel].b, // Same blue
0 // Make pixel transparent
);
}
// Set adjusted colors for new texture
clippedTex.SetPixels(pixels);
// Adjust name of texture to desired name
clippedTex.name = FileNameTranslator.TextureToClippedTexture(tex.name);
// ERROR TESTING REMOVE
//clippedTex.name = tex.name;
// Save the texture
SaveTexture.Save(clippedTex, Constants.Suffixes.ImageSuffixTypes.PNG, Constants.Folders.ClippedRoomTextureFolderPath);
if (debug)
{
Debug.Log("AlphaClip() has saved the clipped texture to " + Constants.Folders.ClippedRoomTextureFolderPath + ".");
}
// Reload the Unity Asset database
#if UNITY_EDITOR
UnityEditor.AssetDatabase.Refresh();
#endif
if (debug)
{
Debug.Log("AlphaClip() has refreshed the Asset database to show the new clipped texture.");
}
return(clippedTex);
}
// This assumes that all information found on
// https://developer.microsoft.com/en-us/windows/holographic/locatable_camera
// is correct.
public static Projector GenerateProjector(string CameraLocationFilePath, string TextureFilePath)
{
Projector newProjector = null;
CameraLocation camLoc = CameraLocation.Load(CameraLocationFilePath);
if (camLoc.HasLocationData)
{
newProjector = new 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;
// 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
);
// 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 the projector's name
//newProjector.name = RoomTexture.Projector_AutoName + camLoc.name;
newProjector.name = FileNameTranslator.ClippedTextureToProjector(tex.name);
// 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;
}
}