private void CreateAtlasDataFile()
{
StringBuilder stringBuilder = new StringBuilder("{\"frames\": {\n\n");
int elementCount = elements.Count;
string[] elementStrings = new string[elementCount];
for (int e = 0; e < elementCount; e++)
{
PRAtlasElement element = elements[e];
elementStrings[e] = element.GetJSONString();
}
stringBuilder.Append(string.Join(",\n", elementStrings));
stringBuilder.Append("},\n");
stringBuilder.Append("\"meta\":{\n");
stringBuilder.Append("\t\"app\": \"Packrat Atlas Generator github.com/MattRix/Packrat\",\n");
stringBuilder.Append("\t\"version\": \"1.0\",\n");
stringBuilder.Append("\t\"image\": \"" + link.atlasFilePath + ".png\",\n");
stringBuilder.Append("\t\"format\": \"RGBA8888\",\n");
stringBuilder.Append("\t\"size\": {\"w\":" + atlasWidth + ",\"h\":" + atlasHeight + "},\n");
stringBuilder.Append("\t\"scale\": \"" + link.scale.ToString() + "\"\n");
stringBuilder.Append("}\n}\n");
File.WriteAllText(link.atlasFilePath + ".txt", stringBuilder.ToString());
}
private void CleanUp()
{
Object.DestroyImmediate(atlasTexture); //we've already written it to a file, so destroy it
int elementCount = elements.Count;
for (int e = 0; e < elementCount; e++)
{
PRAtlasElement element = elements[e];
Object.DestroyImmediate(element.texture);
}
Resources.UnloadUnusedAssets();
}
private IEnumerator <string> CreateAtlasTexture()
{
atlasTexture = new Texture2D(atlasWidth, atlasHeight, TextureFormat.ARGB32, false);
atlasTexture.filterMode = FilterMode.Bilinear;
atlasTexture.SetPixels32(new Color32[atlasWidth * atlasHeight]); //clear it out (using color32 for speed)
int elementCount = elements.Count;
for (int e = 0; e < elementCount; e++)
{
PRAtlasElement element = elements[e];
yield return("Packing " + element.name);
PRRect packedRect = element.packedRect;
int extrude = element.extrude;
int outputX = packedRect.x + extrude;
int outputY = packedRect.y + extrude;
int outputWidth = packedRect.width - extrude * 2 - element.padding;
int outputHeight = packedRect.height - extrude * 2 - element.padding;
if (link.scale == 1.0f)
{
Color[] elementPixels = element.texture.GetPixels(element.sourceTrimX, element.sourceTrimY, element.sourceTrimWidth, element.sourceTrimHeight, 0);
atlasTexture.SetPixels(outputX, outputY, outputWidth, outputHeight, elementPixels);
//atlasTexture.SetPixels(outputX,outputY,outputWidth,outputHeight,elementPixels);
if (extrude != 0) //do extruding by pulling pixels from each edge
{
//left
elementPixels = element.texture.GetPixels(element.sourceTrimX, element.sourceTrimY, 1, element.sourceTrimHeight, 0);
for (int c = 0; c < extrude; c++)
{
atlasTexture.SetPixels(outputX - (c + 1), outputY, 1, outputHeight, elementPixels);
}
//right
elementPixels = element.texture.GetPixels(element.sourceTrimX + element.sourceTrimWidth - 1, element.sourceTrimY, 1, element.sourceTrimHeight, 0);
for (int c = 0; c < extrude; c++)
{
atlasTexture.SetPixels(outputX + outputWidth + c, outputY, 1, outputHeight, elementPixels);
}
//bottom
elementPixels = element.texture.GetPixels(element.sourceTrimX, element.sourceTrimY, element.sourceTrimWidth, 1, 0);
for (int c = 0; c < extrude; c++)
{
atlasTexture.SetPixels(outputX, outputY - (c + 1), outputWidth, 1, elementPixels);
}
//top
elementPixels = element.texture.GetPixels(element.sourceTrimX, element.sourceTrimY + element.sourceTrimHeight - 1, element.sourceTrimWidth, 1, 0);
for (int c = 0; c < extrude; c++)
{
atlasTexture.SetPixels(outputX, outputY + outputHeight + c, outputWidth, 1, elementPixels);
}
//bottom left
Color[] cornerPixels = RXArrayUtil.CreateArrayFilledWithItem <Color>(element.texture.GetPixel(element.sourceTrimX, element.sourceTrimY), extrude * extrude);
atlasTexture.SetPixels(outputX - extrude, outputY - extrude, extrude, extrude, cornerPixels);
//top left
cornerPixels = RXArrayUtil.CreateArrayFilledWithItem <Color>(element.texture.GetPixel(element.sourceTrimX, element.sourceTrimY + element.sourceTrimHeight - 1), extrude * extrude);
atlasTexture.SetPixels(outputX - extrude, outputY + outputHeight, extrude, extrude, cornerPixels);
//top right
cornerPixels = RXArrayUtil.CreateArrayFilledWithItem <Color>(element.texture.GetPixel(element.sourceTrimX + element.sourceTrimWidth - 1, element.sourceTrimY + element.sourceTrimHeight - 1), extrude * extrude);
atlasTexture.SetPixels(outputX + outputWidth, outputY + outputHeight, extrude, extrude, cornerPixels);
//bottom right
cornerPixels = RXArrayUtil.CreateArrayFilledWithItem <Color>(element.texture.GetPixel(element.sourceTrimX + element.sourceTrimWidth - 1, element.sourceTrimY), extrude * extrude);
atlasTexture.SetPixels(outputX + outputWidth, outputY - extrude, extrude, extrude, cornerPixels);
}
}
else //scale isn't 1, so do a bilinear resample of the texture into the atlas
{
/*
* Texture2D sourceTexture = element.texture;
*
* float ratioX = (1.0f / (float)element.sourceFullWidth);
* float ratioY = (1.0f / (float)element.sourceFullHeight);
*
* float trimX = ratioX * element.sourceTrimX;
* float trimY = ratioY * element.sourceTrimY;
*/
Texture2D sourceTexture = element.texture;
Color[] outputPixels = new Color[outputWidth * outputHeight];
float sourceRatioX = 1.0f / (float)element.sourceFullWidth; //the width of one pixel in uv coords
float sourceRatioY = 1.0f / (float)element.sourceFullHeight; //the height of one pixel in uv coords
float trimPercentX = sourceRatioX * (float)element.sourceTrimX;
float trimPercentY = sourceRatioY * (float)element.sourceTrimY;
float trimPercentWidth = sourceRatioX * (float)element.sourceTrimWidth;
float trimPercentHeight = sourceRatioY * (float)element.sourceTrimHeight;
trimPercentX += sourceRatioX * 0.5f;
trimPercentY += sourceRatioY * 0.5f;
trimPercentWidth -= sourceRatioX * 1.0f;
trimPercentHeight -= sourceRatioX * 1.0f;
float outputRatioX = 1.0f / (float)(outputWidth - 1);
float outputRatioY = 1.0f / (float)(outputHeight - 1);
//Debug.Log(string.Format("{0} tpx:{1} tpy:{2} tpw:{3} tph:{4}",element.name,trimPercentX,trimPercentY,trimPercentWidth,trimPercentHeight));
for (int r = 0; r < outputHeight; r++)
{
for (int c = 0; c < outputWidth; c++)
{
float colPercent = (float)c * outputRatioX;
float rowPercent = (float)r * outputRatioY;
outputPixels[r * outputWidth + c] = sourceTexture.GetPixelBilinear(trimPercentX + colPercent * trimPercentWidth, trimPercentY + rowPercent * trimPercentHeight);
//
//multi sample with a kernel
// float bx = trimPercentX + colPercent*trimPercentWidth;
// float by = trimPercentY + rowPercent*trimPercentHeight;
//
// Color outputColor;
//
// //outputColor = sourceTexture.GetPixelBilinear(baseX, baseY) * 0.7f;
//
// float sx = sourceRatioX*(1.0f-link.scale);
// float sy = sourceRatioY*(1.0f-link.scale);
//
// float dsx = sx*2;
// float dsy = sy*2;
//
// float one = 1.0f/64.0f;
// float three = 3.0f/64.0f;
// float nine = 9.0f/64.0f;
//
// //from https://groups.google.com/forum/#!topic/comp.graphics.algorithms/XpcOL2xiKO4
//
// outputColor = sourceTexture.GetPixelBilinear(bx-dsx, by+dsy) * one;
// outputColor += sourceTexture.GetPixelBilinear(bx-sx, by+dsy) * three;
// outputColor += sourceTexture.GetPixelBilinear(bx+sx, by+dsy) * three;
// outputColor += sourceTexture.GetPixelBilinear(bx+dsx, by+dsy) * one;
//
// outputColor += sourceTexture.GetPixelBilinear(bx-dsx, by+sy) * three;
// outputColor += sourceTexture.GetPixelBilinear(bx-sx, by+sy) * nine;
// outputColor += sourceTexture.GetPixelBilinear(bx+sx, by+sy) * nine;
// outputColor += sourceTexture.GetPixelBilinear(bx+dsx, by+sy) * three;
//
// outputColor += sourceTexture.GetPixelBilinear(bx-dsx, by-sy) * three;
// outputColor += sourceTexture.GetPixelBilinear(bx-sx, by-sy) * nine;
// outputColor += sourceTexture.GetPixelBilinear(bx+sx, by-sy) * nine;
// outputColor += sourceTexture.GetPixelBilinear(bx+dsx, by-sy) * three;
//
// outputColor += sourceTexture.GetPixelBilinear(bx-dsx, by-dsy) * one;
// outputColor += sourceTexture.GetPixelBilinear(bx-sx, by-dsy) * three;
// outputColor += sourceTexture.GetPixelBilinear(bx+sx, by-dsy) * three;
// outputColor += sourceTexture.GetPixelBilinear(bx+dsx, by-dsy) * one;
// outputColor = sourceTexture.GetPixelBilinear(bx, by) * 0.7f;
//
// outputColor += sourceTexture.GetPixelBilinear(bx+sourceRatioX, by) * 0.05f;
// outputColor += sourceTexture.GetPixelBilinear(bx-sourceRatioX, by) * 0.05f;
// outputColor += sourceTexture.GetPixelBilinear(bx, by+sourceRatioY) * 0.05f;
// outputColor += sourceTexture.GetPixelBilinear(bx, by-sourceRatioY) * 0.05f;
//
// outputColor += sourceTexture.GetPixelBilinear(bx+sourceRatioX, by+sourceRatioY) * 0.0025f;
// outputColor += sourceTexture.GetPixelBilinear(bx+sourceRatioX, by-sourceRatioY) * 0.0025f;
// outputColor += sourceTexture.GetPixelBilinear(bx-sourceRatioX, by+sourceRatioY) * 0.0025f;
// outputColor += sourceTexture.GetPixelBilinear(bx-sourceRatioX, by-sourceRatioY) * 0.0025f;
//
// outputPixels[r*outputWidth + c] = outputColor;
//nearest neighbor
// int pixelX = Mathf.RoundToInt((trimPercentX + colPercent*trimPercentWidth) * (float)sourceTexture.width);
// int pixelY = Mathf.RoundToInt((trimPercentY + rowPercent*trimPercentHeight) * (float)sourceTexture.height);
// outputPixels[r*outputWidth + c] = sourceTexture.GetPixel(pixelX,pixelY);
}
}
atlasTexture.SetPixels(outputX, outputY, outputWidth, outputHeight, outputPixels);
if (element.extrude != 0)
{
//yield return "Extruding " + element.name;
int heightExtruded = outputHeight + extrude * 2;
Color[] sidePixels = new Color[extrude * heightExtruded]; //used for the left and right sides
//LEFT SIDE
for (int r = 0; r < heightExtruded; r++) //figure out row colour and then fill that row
{
int outputRow = Mathf.Max(0, Mathf.Min(outputHeight - 1, r - extrude));
Color color = outputPixels[outputRow * outputWidth];
for (int c = 0; c < extrude; c++)
{
sidePixels[r * extrude + c] = color;
}
atlasTexture.SetPixels(outputX - extrude, outputY - extrude, extrude, heightExtruded, sidePixels);
}
//RIGHT SIDE
for (int r = 0; r < heightExtruded; r++) //figure out row colour and then fill that row
{
int outputRow = Mathf.Max(0, Mathf.Min(outputHeight - 1, r - extrude));
Color color = outputPixels[outputRow * outputWidth + outputWidth - 1];
for (int c = 0; c < extrude; c++)
{
sidePixels[r * extrude + c] = color;
}
atlasTexture.SetPixels(outputX + outputWidth, outputY - extrude, extrude, heightExtruded, sidePixels);
}
sidePixels = new Color[extrude * outputWidth]; //used for the top and bottom sides
//BOTTOM SIDE
for (int c = 0; c < outputWidth; c++) //figure out row colour and then fill that row
{
Color color = outputPixels[c];
for (int r = 0; r < extrude; r++)
{
sidePixels[r * outputWidth + c] = color;
}
atlasTexture.SetPixels(outputX, outputY - extrude, outputWidth, extrude, sidePixels);
}
//TOP SIDE
int topOffset = (outputHeight - 1) * outputWidth; //start at the top row
for (int c = 0; c < outputWidth; c++) //figure out row colour and then fill that row
{
Color color = outputPixels[topOffset + c];
for (int r = 0; r < extrude; r++)
{
sidePixels[r * outputWidth + c] = color;
}
atlasTexture.SetPixels(outputX, outputY + outputHeight, outputWidth, extrude, sidePixels);
}
}
}
}
// int count = 5;
// for(int i = 0; i < count; i++)
// {
// float percent = (float)i/(float)(count-1);
// Debug.Log(i + " percent " + percent);
// }
yield return("Writing PNG to disk");
atlasTexture.Apply(false, false);
File.WriteAllBytes(link.atlasFilePath + pngSuffix, atlasTexture.EncodeToPNG());
if (PRViewAtlasWindow.instance != null && PRViewAtlasWindow.instance.link == link)
{
PRViewAtlasWindow.instance.UpdateAtlas();
}
//in theory this should make it unreadable,
//but it doesn't matter because we're about to delete it anyway
//atlasTexture.Apply(false,true);
//This stuff would be handy, but it's SO SLOW and unreliable that it's not worth it
// TextureImporter importer = TextureImporter.GetAtPath(link.atlasFilePath+pngSuffix) as TextureImporter;
//
// if(importer != null)
// {
// importer.maxTextureSize = Mathf.Max(importer.maxTextureSize,packedWidth,packedHeight);
// importer.alphaIsTransparency = true;
// AssetDatabase.ImportAsset(importer.assetPath);
// }
//
// yield return "Importing Atlas";
}
private void CalculateElementPacking()
{
int elementCount = elements.Count;
//use the min area of all the elements to start with a sensible estimated size for the atlas to be
int minArea = 0;
for (int e = 0; e < elementCount; e++)
{
minArea += elements[e].expandedWidth * elements[e].expandedHeight;
}
int tryWidth = 16;
int tryHeight = 16;
int tries = 0;
while ((tryWidth - link.padding) * (tryHeight - link.padding) < minArea && tries++ < 100)
{
if (tries % 2 == 0) //alternate increasing width and height until we find a size that fits everything
{
tryWidth *= 2;
}
else
{
tryHeight *= 2;
}
}
tries = 0;
//subtract padding because we can't pack right up to the padded border
//but don't subtract padding*2 because the element sizes already account for padding on one side
PRPacker packer = new PRPacker(tryWidth - link.padding, tryHeight - link.padding);
while (tries++ < 100) //tries is to prevent infinite loops
{
bool didFail = false;
for (int e = 0; e < elementCount; e++)
{
PRAtlasElement element = elements[e];
//Debug.Log("Try fitting " + element.expandedWidth + ", " + element.expandedHeight + " into " + tryWidth+","+tryHeight);
//TODO update
PRRect rect = packer.Insert(element.expandedWidth, element.expandedHeight, PRPacker.ChoiceHeuristic.ShortSideFit);
if (rect.width == 0 && rect.height == 0) //both at 0 means it failed
{
didFail = true;
if (tryWidth <= tryHeight) //alternate increasing width and height until we find a size that fits everything
{
tryWidth *= 2;
}
else
{
tryHeight *= 2;
}
packer.Init(tryWidth - link.padding, tryHeight - link.padding);
break;
}
else
{
element.packedRect = rect;
element.packedRect.x += element.padding; //push the rect off the wall (note, y doesn't need this for the reason below)
//flip packing y coord. This is because the algorithm tries to pack everything around 0,0
//and we want 0,0 to be top left instead of bottom left (which it would be with Unity's coord system)
//there's no real reason for it to be top left, except that it's what people are used to.
element.packedRect.y = (tryHeight - element.packedRect.y) - element.packedRect.height;
}
}
if (!didFail)
{
atlasWidth = tryWidth;
atlasHeight = tryHeight;
break; //we're done!
}
}
}
private void TrimElements()
{
int trimPadding = link.trimPadding;
int elementCount = elements.Count;
for (int e = 0; e < elementCount; e++)
{
PRAtlasElement element = elements[e];
if (element.shouldTrim)
{
Color[] sourcePixels = element.texture.GetPixels(0);
int cols = element.sourceFullWidth;
//int rows = element.sourceFullHeight;
int left = 0;
int right = element.sourceFullWidth - 1;
int top = element.sourceFullHeight - 1;
int bottom = 0;
//note: y=0 is at the bottom, not the top.
//try to find the first solid pixel on the LEFT
for (int c = left; c <= right; c++) //left to right
{
bool didFindSolid = false;
for (int r = bottom; r <= top; r++) //bottom to top
{
if (sourcePixels[r * cols + c].a != 0.0f)
{
didFindSolid = true;
left = c;
break;
}
}
if (didFindSolid)
{
break;
}
}
//try to find the first solid pixel on the RIGHT
for (int c = right; c >= left; c--) //right to left
{
bool didFindSolid = false;
for (int r = bottom; r <= top; r++) //bottom to top
{
if (sourcePixels[r * cols + c].a != 0.0f)
{
didFindSolid = true;
right = c;
break;
}
}
if (didFindSolid)
{
break;
}
}
//try to find the first solid pixel on the TOP
for (int r = top; r >= bottom; r--) //top to bottom
{
bool didFindSolid = false;
for (int c = left; c <= right; c++) //left to right
{
if (sourcePixels[r * cols + c].a != 0.0f)
{
didFindSolid = true;
top = r;
break;
}
}
if (didFindSolid)
{
break;
}
}
//try to find the first solid pixel on the BOTTOM
for (int r = bottom; r <= top; r++) //bottom to top
{
bool didFindSolid = false;
for (int c = left; c <= right; c++) //left to right
{
if (sourcePixels[r * cols + c].a != 0.0f)
{
didFindSolid = true;
bottom = r;
break;
}
}
if (didFindSolid)
{
break;
}
}
//Debug.Log(element.name + " left:" + left + " right:"+ right +" top:" + top + " bottom:" + bottom);
//apply trim padding
if (trimPadding != 0)
{
left = Mathf.Max(0, left - trimPadding);
right = Mathf.Min(element.sourceFullWidth - 1, right + trimPadding);
bottom = Mathf.Max(0, bottom - trimPadding);
top = Mathf.Min(element.sourceFullHeight - 1, top + trimPadding);
}
element.sourceTrimX = left;
element.sourceTrimY = bottom; //todo: figure out if this should be bottom or top
element.sourceTrimWidth = right - left + 1; //the +1 is because the values are INCLUSIVE
element.sourceTrimHeight = top - bottom + 1; //the +1 is because the values are INCLUSIVE
}
else
{
element.sourceTrimX = 0;
element.sourceTrimY = 0;
element.sourceTrimWidth = element.sourceFullWidth;
element.sourceTrimHeight = element.sourceFullHeight;
}
if (element.shouldScale)
{
element.scaledTrimX = Mathf.FloorToInt((float)element.sourceTrimX * link.scale);
element.scaledTrimY = Mathf.FloorToInt((float)element.sourceTrimY * link.scale);
element.scaledTrimWidth = Mathf.CeilToInt((float)element.sourceTrimWidth * link.scale);
element.scaledTrimHeight = Mathf.CeilToInt((float)element.sourceTrimHeight * link.scale);
}
else
{
element.scaledTrimX = element.sourceTrimX;
element.scaledTrimY = element.sourceTrimY;
element.scaledTrimWidth = element.sourceTrimWidth;
element.scaledTrimHeight = element.sourceTrimHeight;
}
//padding is only on 2 sides (top and right)
//extrude is on all 4 sides
element.expandedWidth = element.scaledTrimWidth + element.extrude * 2 + element.padding;
element.expandedHeight = element.scaledTrimHeight + element.extrude * 2 + element.padding;
//Debug.Log("expanded width " +element.scaledTrimWidth + ", " + element.scaledTrimHeight);
//Debug.Log("Turned " + element.name + " " + element.sourceFullWidth+","+element.sourceFullHeight + " into " + element.sourceTrimWidth +"," + element.sourceTrimHeight);
//Debug.Log("Turned " + element.name + " " + element.scaledFullWidth+","+element.scaledFullHeight + " into " + element.scaledTrimWidth +"," + element.scaledTrimHeight);
}
}
private void CreateElementsFromImages()
{
SearchOption searchOption = link.shouldAddSubfolders ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
string[] filePaths = Directory.GetFiles(link.sourceFolderPath, "*.png", searchOption);
elements = new List <PRAtlasElement>(filePaths.Length);
for (int s = 0; s < filePaths.Length; s++)
{
bool shouldAddElement = true;
string filePath = filePaths[s];
string fileName = filePath.Remove(0, link.sourceFolderPath.Length + 1);
fileName = fileName.Remove(fileName.Length - 4, 4); //remove extension
fileName = fileName.Replace("\\", "/"); //replace slashes
PRAtlasElement element = new PRAtlasElement(this, fileName);
element.filePath = filePath;
Texture2D texture = new Texture2D(0, 0, TextureFormat.ARGB32, false, false);
texture.wrapMode = TextureWrapMode.Clamp; //so we don't get pixels from the other edge when scaling
texture.filterMode = FilterMode.Trilinear;
texture.LoadImage(File.ReadAllBytes(filePath));
if (link.shouldTrim)
{
if (element.name.EndsWith("_notrim"))
{
element.shouldTrim = false;
}
else
{
element.shouldTrim = true;
}
}
else
{
if (element.name.EndsWith("_trim"))
{
element.shouldTrim = true;
}
else
{
element.shouldTrim = false;
}
}
if (atlasScaleIndex != -1)
{
int elementScaleIndex = GetScaleIndexFromName(element.name);
if (elementScaleIndex != -1) //the element has a scale index
{
if (elementScaleIndex == atlasScaleIndex) //don't scale an element if it has the same suffix
{
element.shouldScale = false;
}
else
{
shouldAddElement = false; //this element is for a different scale so don't add it
}
}
}
element.padding = link.padding;
element.extrude = link.extrude;
element.texture = texture;
element.sourceFullWidth = texture.width;
element.sourceFullHeight = texture.height;
if (element.shouldScale)
{
element.scaledFullWidth = Mathf.CeilToInt((float)element.sourceFullWidth * link.scale);
element.scaledFullHeight = Mathf.CeilToInt((float)element.sourceFullHeight * link.scale);
}
else
{
element.scaledFullWidth = element.sourceFullWidth;
element.scaledFullHeight = element.sourceFullHeight;
}
if (element.texture == null)
{
shouldAddElement = false;
}
if (shouldAddElement)
{
elements.Add(element);
}
else
{
if (element.texture != null)
{
UnityEngine.Object.DestroyImmediate(element.texture);
}
}
}
}
private void CreateElementsFromImages()
{
SearchOption searchOption = link.shouldAddSubfolders ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
string[] filePaths = Directory.GetFiles(link.sourceFolderPath,"*.png",searchOption);
elements = new List<PRAtlasElement>(filePaths.Length);
for(int s = 0; s<filePaths.Length; s++)
{
bool shouldAddElement = true;
string filePath = filePaths[s];
string fileName = filePath.Remove(0,link.sourceFolderPath.Length+1);
fileName = fileName.Remove(fileName.Length-4,4); //remove extension
fileName = fileName.Replace("\\","/"); //replace slashes
PRAtlasElement element = new PRAtlasElement(this, fileName);
element.filePath = filePath;
Texture2D texture = new Texture2D(0,0,TextureFormat.ARGB32,false,false);
texture.wrapMode = TextureWrapMode.Clamp; //so we don't get pixels from the other edge when scaling
texture.filterMode = FilterMode.Trilinear;
texture.LoadImage(File.ReadAllBytes(filePath));
if(link.shouldTrim)
{
if(element.name.EndsWith("_notrim"))
{
element.shouldTrim = false;
}
else
{
element.shouldTrim = true;
}
}
else
{
if(element.name.EndsWith("_trim"))
{
element.shouldTrim = true;
}
else
{
element.shouldTrim = false;
}
}
if(atlasScaleIndex != -1)
{
int elementScaleIndex = GetScaleIndexFromName(element.name);
if(elementScaleIndex != -1) //the element has a scale index
{
if(elementScaleIndex == atlasScaleIndex) //don't scale an element if it has the same suffix
{
element.shouldScale = false;
}
else
{
shouldAddElement = false; //this element is for a different scale so don't add it
}
}
}
element.padding = link.padding;
element.extrude = link.extrude;
element.texture = texture;
element.sourceFullWidth = texture.width;
element.sourceFullHeight = texture.height;
if(element.shouldScale)
{
element.scaledFullWidth = Mathf.CeilToInt((float)element.sourceFullWidth * link.scale);
element.scaledFullHeight = Mathf.CeilToInt((float)element.sourceFullHeight * link.scale);
}
else
{
element.scaledFullWidth = element.sourceFullWidth;
element.scaledFullHeight = element.sourceFullHeight;
}
if(element.texture == null)
{
shouldAddElement = false;
}
if(shouldAddElement)
{
elements.Add(element);
}
else
{
if(element.texture != null)
{
UnityEngine.Object.DestroyImmediate(element.texture);
}
}
}
}
