public void LoadFramesFromAsset(ImageSequence asset)
{
inputSequence.frames.Clear();
if (asset.inputFrameGUIDs != null && asset.inputFrameGUIDs.Count > 0)
{
int count = asset.inputFrameGUIDs.Count;
int i = 1;
foreach (string guid in asset.inputFrameGUIDs)
{
VFXToolboxGUIUtility.DisplayProgressBar("Image Sequencer", "Loading Textures (" + i + "/" + count + ")", (float)i / count, 0.1f);
string path = AssetDatabase.GUIDToAssetPath(guid);
Texture2D t = AssetDatabase.LoadAssetAtPath <Texture2D>(path);
if (t != null)
{
inputSequence.frames.Add(new ProcessingFrame(t));
}
else
{
inputSequence.frames.Add(ProcessingFrame.Missing);
}
i++;
}
VFXToolboxGUIUtility.ClearProgressBar();
}
}
private bool HandleDropData()
{
if(m_CurrentAsset == null)
return false;
if(sidePanelViewMode == SidePanelMode.InputFrames && DragAndDrop.paths.Length > 0)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Link;
if( Event.current.type == EventType.DragExited)
{
List<string> texturePaths = new List<string>();
foreach(string path in DragAndDrop.paths)
{
if (VFXToolboxUtility.IsDirectory(path))
texturePaths.AddRange(VFXToolboxUtility.GetAllTexturesInPath(path));
else
{
VFXToolboxGUIUtility.DisplayProgressBar("Image Sequencer", "Discovering Assets...", 0.5f);
Texture2D t = AssetDatabase.LoadAssetAtPath<Texture2D>(path);
if(t != null)
texturePaths.Add(path);
}
}
AddInputFrame(m_InputFramesReorderableList, texturePaths);
VFXToolboxGUIUtility.ClearProgressBar();
return true;
}
}
return false;
}
private void FindProperValues(float threshold, ref SerializedProperty top, ref SerializedProperty bottom, ref SerializedProperty left, ref SerializedProperty right)
{
int width = InputSequence.width;
int height = InputSequence.height;
int minX = width;
int maxX = 0;
int minY = height;
int maxY = 0;
Color[] colors;
RenderTexture tempRT = RenderTexture.GetTemporary(width, height, 0, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Linear);
for (int i = 0; i < InputSequence.frames.Count; i++)
{
ProcessingFrame f = InputSequence.frames[i];
VFXToolboxGUIUtility.DisplayProgressBar("Crop processor", "Evaluating closest bound (Frame #" + i + " on " + InputSequence.frames.Count + "...)", (float)i / InputSequence.frames.Count);
if (InputSequence.processor != null)
{
f.Process();
colors = VFXToolboxUtility.ReadBack(f.texture as RenderTexture);
}
else
{
Graphics.Blit(f.texture, tempRT);
colors = VFXToolboxUtility.ReadBack(tempRT);
}
// Check frame
for (int j = 0; j < colors.Length; j++)
{
int x = j % width;
int y = j / width;
if (colors[j].a >= threshold)
{
minX = Mathf.Min(minX, x);
maxX = Mathf.Max(maxX, x);
minY = Mathf.Min(minY, y);
maxY = Mathf.Max(maxY, y);
}
}
}
VFXToolboxGUIUtility.ClearProgressBar();
bottom.intValue = minY;
top.intValue = height - maxY - 1;
left.intValue = minX;
right.intValue = width - maxX - 1;
RenderTexture.ReleaseTemporary(tempRT);
}
public string ExportToFile(bool useCurrentFileName)
{
string path;
if (useCurrentFileName)
{
path = m_CurrentAsset.exportSettings.fileName;
}
else
{
string title = "Save Texture, use # for frame numbering.";
string defaultFileName, extension, message;
switch (m_CurrentAsset.exportSettings.exportMode)
{
case ImageSequence.ExportMode.EXR:
defaultFileName = "Frame_#.exr";
extension = "exr";
message = "Save as EXR Texture";
break;
case ImageSequence.ExportMode.Targa:
defaultFileName = "Frame_#.tga";
extension = "tga";
message = "Save as TGA Texture";
break;
case ImageSequence.ExportMode.PNG:
defaultFileName = "Frame_#.png";
extension = "png";
message = "Save as PNG Texture";
break;
default: return(null);
}
path = EditorUtility.SaveFilePanelInProject(title, defaultFileName, extension, message);
if (path == null || path == "")
{
return("");
}
}
int frameCount = m_processorStack.outputSequence.length;
if (frameCount > 1 && !Path.GetFileNameWithoutExtension(path).Contains("#"))
{
if (!EditorUtility.DisplayDialog("VFX Toolbox", "You are currently exporting a sequence of images with no # in filename for numbering, do you want to add _# as a suffix of the filename?", "Add Postfix", "Cancel Export"))
{
return("");
}
string newpath = Path.GetDirectoryName(path) + "\\" + Path.GetFileNameWithoutExtension(path) + "_#" + Path.GetExtension(path);
path = newpath;
}
ImageSequence.ExportSettings settings = m_CurrentAsset.exportSettings;
bool bCanceled = false;
try
{
int i = 1;
foreach (ProcessingFrame frame in m_processorStack.outputSequence.frames)
{
if (VFXToolboxGUIUtility.DisplayProgressBar("Image Sequencer", "Exporting Frame #" + i + "/" + frameCount, (float)i / frameCount, 0, true))
{
bCanceled = true;
break;
}
Color[] inputs;
if (frame.texture is Texture2D)
{
RenderTexture temp = RenderTexture.GetTemporary(frame.texture.width, frame.texture.height, 0, RenderTextureFormat.ARGBHalf);
Graphics.Blit((Texture2D)frame.texture, temp);
inputs = ReadBack(temp);
}
else // frame.texture is RenderTexture
{
frame.Process();
inputs = ReadBack((RenderTexture)frame.texture);
}
string fileName = GetNumberedFileName(path, i, frameCount);
switch (m_CurrentAsset.exportSettings.exportMode)
{
case ImageSequence.ExportMode.EXR:
MiniEXR.MiniEXR.MiniEXRWrite(fileName, (ushort)frame.texture.width, (ushort)frame.texture.height, settings.exportAlpha, inputs, true);
break;
case ImageSequence.ExportMode.Targa:
MiniTGA.MiniTGA.MiniTGAWrite(fileName, (ushort)frame.texture.width, (ushort)frame.texture.height, settings.exportAlpha, inputs);
break;
case ImageSequence.ExportMode.PNG:
byte[] bytes;
if (m_processorStack.outputSequence.processor != null)
{
RenderTexture backup = RenderTexture.active;
Texture2D texture = new Texture2D(frame.texture.width, frame.texture.height, TextureFormat.RGBA32, settings.generateMipMaps, !settings.sRGB);
RenderTexture.active = (RenderTexture)frame.texture;
RenderTexture ldrOutput = RenderTexture.GetTemporary(frame.texture.width, frame.texture.height, 0, RenderTextureFormat.ARGB32, settings.sRGB? RenderTextureReadWrite.sRGB: RenderTextureReadWrite.Linear);
GL.sRGBWrite = (QualitySettings.activeColorSpace == ColorSpace.Linear);
Graphics.Blit(frame.texture, ldrOutput);
RenderTexture.active = ldrOutput;
texture.ReadPixels(new Rect(0, 0, frame.texture.width, frame.texture.height), 0, 0);
bytes = texture.EncodeToPNG();
RenderTexture.active = backup;
}
else
{
bytes = (frame.texture as Texture2D).EncodeToPNG();
}
File.WriteAllBytes(fileName, bytes);
break;
default: return(null);
}
AssetDatabase.Refresh();
TextureImporter importer = (TextureImporter)TextureImporter.GetAtPath(fileName);
importer.wrapMode = m_CurrentAsset.exportSettings.wrapMode;
importer.filterMode = m_CurrentAsset.exportSettings.filterMode;
switch (m_CurrentAsset.exportSettings.dataContents)
{
case ImageSequence.DataContents.Color:
importer.textureType = TextureImporterType.Default;
break;
case ImageSequence.DataContents.NormalMap:
importer.textureType = TextureImporterType.NormalMap;
importer.convertToNormalmap = false;
break;
case ImageSequence.DataContents.NormalMapFromGrayscale:
importer.textureType = TextureImporterType.NormalMap;
importer.convertToNormalmap = true;
break;
case ImageSequence.DataContents.Sprite:
importer.textureType = TextureImporterType.Sprite;
importer.spriteImportMode = SpriteImportMode.Multiple;
importer.spritesheet = GetSpriteMetaData(frame, m_processorStack.outputSequence.numU, m_processorStack.outputSequence.numV);
break;
}
importer.mipmapEnabled = m_CurrentAsset.exportSettings.generateMipMaps;
switch (m_CurrentAsset.exportSettings.exportMode)
{
case ImageSequence.ExportMode.Targa:
importer.sRGBTexture = m_CurrentAsset.exportSettings.sRGB;
importer.alphaSource = m_CurrentAsset.exportSettings.exportAlpha ? TextureImporterAlphaSource.FromInput : TextureImporterAlphaSource.None;
importer.textureCompression = m_CurrentAsset.exportSettings.compress ? TextureImporterCompression.Compressed : TextureImporterCompression.Uncompressed;
break;
case ImageSequence.ExportMode.EXR:
importer.sRGBTexture = false;
importer.alphaSource = (m_CurrentAsset.exportSettings.exportAlpha && !m_CurrentAsset.exportSettings.compress) ? TextureImporterAlphaSource.FromInput : TextureImporterAlphaSource.None;
importer.textureCompression = m_CurrentAsset.exportSettings.compress ? TextureImporterCompression.CompressedHQ : TextureImporterCompression.Uncompressed;
break;
case ImageSequence.ExportMode.PNG:
importer.sRGBTexture = m_CurrentAsset.exportSettings.sRGB;
importer.alphaSource = m_CurrentAsset.exportSettings.exportAlpha ? TextureImporterAlphaSource.FromInput : TextureImporterAlphaSource.None;
importer.textureCompression = m_CurrentAsset.exportSettings.compress ? TextureImporterCompression.Compressed : TextureImporterCompression.Uncompressed;
break;
}
AssetDatabase.ImportAsset(fileName, ImportAssetOptions.ForceUpdate);
// Separate Alpha
if (m_CurrentAsset.exportSettings.exportSeparateAlpha)
{
string alphaFilename = fileName.Substring(0, fileName.Length - 4) + "_alpha.tga";
// build alpha
for (int k = 0; k < inputs.Length; k++)
{
float a = inputs[k].a;
inputs[k] = new Color(a, a, a, a);
}
MiniTGA.MiniTGA.MiniTGAWrite(alphaFilename, (ushort)frame.texture.width, (ushort)frame.texture.height, false, inputs);
AssetDatabase.Refresh();
TextureImporter alphaImporter = (TextureImporter)TextureImporter.GetAtPath(alphaFilename);
if (m_CurrentAsset.exportSettings.dataContents == ImageSequence.DataContents.Sprite)
{
alphaImporter.textureType = TextureImporterType.Sprite;
alphaImporter.spriteImportMode = SpriteImportMode.Multiple;
alphaImporter.spritesheet = GetSpriteMetaData(frame, m_processorStack.outputSequence.numU, m_processorStack.outputSequence.numV);
alphaImporter.alphaSource = TextureImporterAlphaSource.None;
}
else
{
alphaImporter.textureType = TextureImporterType.SingleChannel;
alphaImporter.alphaSource = TextureImporterAlphaSource.FromGrayScale;
}
alphaImporter.wrapMode = m_CurrentAsset.exportSettings.wrapMode;
alphaImporter.filterMode = m_CurrentAsset.exportSettings.filterMode;
alphaImporter.sRGBTexture = false;
alphaImporter.mipmapEnabled = m_CurrentAsset.exportSettings.generateMipMaps;
alphaImporter.textureCompression = m_CurrentAsset.exportSettings.compress ? TextureImporterCompression.Compressed : TextureImporterCompression.Uncompressed;
AssetDatabase.ImportAsset(alphaFilename, ImportAssetOptions.ForceUpdate);
}
i++;
}
}
catch (System.Exception e)
{
VFXToolboxGUIUtility.ClearProgressBar();
Debug.LogError(e.Message);
}
VFXToolboxGUIUtility.ClearProgressBar();
if (bCanceled)
{
return("");
}
else
{
return(path);
}
}
public string ExportToFile(bool useCurrentFileName)
{
bool bIsInsideProject = true;
string path;
if (useCurrentFileName)
{
path = m_CurrentAsset.exportSettings.fileName;
}
else
{
string title = "Save Texture, use # for frame numbering.";
string defaultFileName, extension;
int count = m_ProcessingNodeStack.outputSequence.frames.Count;
int numU = m_ProcessingNodeStack.outputSequence.numU;
int numV = m_ProcessingNodeStack.outputSequence.numV;
string defaultDir = Path.GetDirectoryName(AssetDatabase.GetAssetPath(m_CurrentAsset));
defaultFileName = m_CurrentAsset.name;
if (count > 1)
{
defaultFileName += "_#";
}
if (numU * numV != 1)
{
defaultFileName += "_" + numU + "x" + numV;
}
switch (m_CurrentAsset.exportSettings.exportMode)
{
case ImageSequence.ExportMode.EXR:
defaultFileName += ".exr";
extension = "exr";
break;
case ImageSequence.ExportMode.Targa:
defaultFileName += ".tga";
extension = "tga";
break;
case ImageSequence.ExportMode.PNG:
defaultFileName += ".png";
extension = "png";
break;
default: return(null);
}
path = EditorUtility.SaveFilePanel(title, defaultDir, defaultFileName, extension);
if (path == null || path == "")
{
return("");
}
if (path.Contains(Application.dataPath))
{
path = path.Replace(Application.dataPath, "Assets");
}
}
if (!path.StartsWith("Assets/"))
{
bIsInsideProject = false;
Debug.LogWarning("VFX Toolbox Warning : Saving a texture outside the project's scope. Import Settings will not be applied");
}
int frameCount = m_ProcessingNodeStack.outputSequence.length;
if (frameCount > 1 && !Path.GetFileNameWithoutExtension(path).Contains("#"))
{
if (!EditorUtility.DisplayDialog("VFX Toolbox", "You are currently exporting a sequence of images with no # in filename for numbering, do you want to add _# as a suffix of the filename?", "Add Postfix", "Cancel Export"))
{
return("");
}
string newpath = Path.GetDirectoryName(path) + "\\" + Path.GetFileNameWithoutExtension(path) + "_#" + Path.GetExtension(path);
path = newpath;
}
ImageSequence.ExportSettings settings = m_CurrentAsset.exportSettings;
bool bCanceled = false;
try
{
int i = 1;
foreach (ProcessingFrame frame in m_ProcessingNodeStack.outputSequence.frames)
{
if (VFXToolboxGUIUtility.DisplayProgressBar("Image Sequencer", "Exporting Frame #" + i + "/" + frameCount, (float)i / frameCount, 0, true))
{
bCanceled = true;
break;
}
// Export frame : first, dump data into color array
Color[] inputs;
if (frame.texture is Texture2D) // if using input frame
{
RenderTexture temp = RenderTexture.GetTemporary(frame.texture.width, frame.texture.height, 0, RenderTextureFormat.ARGBHalf);
Graphics.Blit((Texture2D)frame.texture, temp);
inputs = ReadBack(temp);
}
else // frame.texture is RenderTexture
{
frame.Process();
inputs = ReadBack((RenderTexture)frame.texture);
}
string fileName = GetNumberedFileName(path, i, frameCount);
// Dump data
byte[] bytes;
switch (m_CurrentAsset.exportSettings.exportMode)
{
case ImageSequence.ExportMode.EXR:
#if UNITY_5_6_OR_NEWER
// New Exporter
{
Texture2D texture = new Texture2D(frame.texture.width, frame.texture.height, TextureFormat.RGBAHalf, settings.generateMipMaps, !settings.sRGB);
texture.SetPixels(inputs);
texture.Apply(true);
bytes = texture.EncodeToEXR();
}
#else
// Old Exporter
{
bytes = MiniEXR.MiniEXR.MiniEXRWrite((ushort)frame.texture.width, (ushort)frame.texture.height, settings.exportAlpha, inputs, true);
}
#endif
break;
case ImageSequence.ExportMode.Targa:
{
bytes = MiniTGA.MiniTGAWrite((ushort)frame.texture.width, (ushort)frame.texture.height, settings.exportAlpha, inputs);
}
break;
case ImageSequence.ExportMode.PNG:
{
Texture2D texture = new Texture2D(frame.texture.width, frame.texture.height, TextureFormat.RGBA32, settings.generateMipMaps, !settings.sRGB);
texture.SetPixels(inputs);
texture.Apply(true);
bytes = texture.EncodeToPNG();
}
break;
default:
{
bytes = new byte[0] {
}; // Empty file that should not happen
}
break;
}
File.WriteAllBytes(fileName, bytes);
AssetDatabase.Refresh();
// Process Import if saved inside project
if (bIsInsideProject)
{
TextureImporter importer = (TextureImporter)TextureImporter.GetAtPath(fileName);
importer.wrapMode = m_CurrentAsset.exportSettings.wrapMode;
importer.filterMode = m_CurrentAsset.exportSettings.filterMode;
switch (m_CurrentAsset.exportSettings.dataContents)
{
case ImageSequence.DataContents.Color:
importer.textureType = TextureImporterType.Default;
break;
case ImageSequence.DataContents.NormalMap:
importer.textureType = TextureImporterType.NormalMap;
importer.convertToNormalmap = false;
break;
case ImageSequence.DataContents.NormalMapFromGrayscale:
importer.textureType = TextureImporterType.NormalMap;
importer.convertToNormalmap = true;
break;
case ImageSequence.DataContents.Sprite:
importer.textureType = TextureImporterType.Sprite;
importer.spriteImportMode = SpriteImportMode.Multiple;
importer.spritesheet = GetSpriteMetaData(frame, m_ProcessingNodeStack.outputSequence.numU, m_ProcessingNodeStack.outputSequence.numV);
break;
}
importer.mipmapEnabled = m_CurrentAsset.exportSettings.generateMipMaps;
switch (m_CurrentAsset.exportSettings.exportMode)
{
case ImageSequence.ExportMode.Targa:
importer.sRGBTexture = m_CurrentAsset.exportSettings.sRGB;
importer.alphaSource = m_CurrentAsset.exportSettings.exportAlpha ? TextureImporterAlphaSource.FromInput : TextureImporterAlphaSource.None;
importer.textureCompression = m_CurrentAsset.exportSettings.compress ? TextureImporterCompression.Compressed : TextureImporterCompression.Uncompressed;
break;
case ImageSequence.ExportMode.EXR:
importer.sRGBTexture = false;
importer.alphaSource = (m_CurrentAsset.exportSettings.exportAlpha && !m_CurrentAsset.exportSettings.compress) ? TextureImporterAlphaSource.FromInput : TextureImporterAlphaSource.None;
importer.textureCompression = m_CurrentAsset.exportSettings.compress ? TextureImporterCompression.CompressedHQ : TextureImporterCompression.Uncompressed;
break;
case ImageSequence.ExportMode.PNG:
importer.sRGBTexture = m_CurrentAsset.exportSettings.sRGB;
importer.alphaSource = m_CurrentAsset.exportSettings.exportAlpha ? TextureImporterAlphaSource.FromInput : TextureImporterAlphaSource.None;
importer.textureCompression = m_CurrentAsset.exportSettings.compress ? TextureImporterCompression.Compressed : TextureImporterCompression.Uncompressed;
break;
}
AssetDatabase.ImportAsset(fileName, ImportAssetOptions.ForceUpdate);
}
// Separate Alpha
if (m_CurrentAsset.exportSettings.exportSeparateAlpha)
{
string alphaFilename = fileName.Substring(0, fileName.Length - 4) + "_alpha.tga";
// build alpha
for (int k = 0; k < inputs.Length; k++)
{
float a = inputs[k].a;
inputs[k] = new Color(a, a, a, a);
}
MiniTGA.MiniTGAWrite(alphaFilename, (ushort)frame.texture.width, (ushort)frame.texture.height, false, inputs);
AssetDatabase.Refresh();
// Process Importer for alpha if inside project
if (bIsInsideProject)
{
TextureImporter alphaImporter = (TextureImporter)TextureImporter.GetAtPath(alphaFilename);
if (m_CurrentAsset.exportSettings.dataContents == ImageSequence.DataContents.Sprite)
{
alphaImporter.textureType = TextureImporterType.Sprite;
alphaImporter.spriteImportMode = SpriteImportMode.Multiple;
alphaImporter.spritesheet = GetSpriteMetaData(frame, m_ProcessingNodeStack.outputSequence.numU, m_ProcessingNodeStack.outputSequence.numV);
alphaImporter.alphaSource = TextureImporterAlphaSource.None;
}
else
{
alphaImporter.textureType = TextureImporterType.SingleChannel;
alphaImporter.alphaSource = TextureImporterAlphaSource.FromGrayScale;
}
alphaImporter.wrapMode = m_CurrentAsset.exportSettings.wrapMode;
alphaImporter.filterMode = m_CurrentAsset.exportSettings.filterMode;
alphaImporter.sRGBTexture = false;
alphaImporter.mipmapEnabled = m_CurrentAsset.exportSettings.generateMipMaps;
alphaImporter.textureCompression = m_CurrentAsset.exportSettings.compress ? TextureImporterCompression.Compressed : TextureImporterCompression.Uncompressed;
AssetDatabase.ImportAsset(alphaFilename, ImportAssetOptions.ForceUpdate);
}
}
i++;
}
}
catch (System.Exception e)
{
VFXToolboxGUIUtility.ClearProgressBar();
Debug.LogError(e.Message);
}
VFXToolboxGUIUtility.ClearProgressBar();
if (bCanceled)
{
return("");
}
else
{
return(path);
}
}