public bool AddImage(Texture2D img, string name, Borders borders)
{
AtlasNode node = _root.Insert(img, borders);
if (node == null)
{
return(false);
}
_rectangleMap.Add(name, node.Rectangle);
try
{
Image.SetPixels((int)node.Rectangle.x, (int)node.Rectangle.y, (int)node.Rectangle.width, (int)node.Rectangle.height, img.GetPixels());
}
catch (Exception exceptionMessage)
{
Debug.Log(exceptionMessage);
InstallerAtlasProperties.SetReadable(img);
Image.SetPixels((int)node.Rectangle.x, (int)node.Rectangle.y, (int)node.Rectangle.width, (int)node.Rectangle.height, img.GetPixels());
}
if (borders.IsRepeat)
{
Color color = new Color();
for (int b = 0; b < borders.RepeatSize; b++)
{
for (int i = 0; i < img.width; i++)
{
color = img.GetPixel(i, 0);
Image.SetPixel(i + (int)node.Rectangle.x, (int)node.Rectangle.y - b - 1, color);
color = img.GetPixel(i, img.height - 1);
Image.SetPixel(i + (int)node.Rectangle.x, (int)node.Rectangle.y + (int)node.Rectangle.height + b, color);
}
}
for (int b = 0; b < borders.RepeatSize; b++)
{
for (int i = 0; i < img.height; i++)
{
color = img.GetPixel(0, i);
Image.SetPixel((int)node.Rectangle.x - b - 1, (int)node.Rectangle.y + i, color);
color = img.GetPixel(img.width - 1, i);
Image.SetPixel((int)node.Rectangle.x + (int)node.Rectangle.width + b, (int)node.Rectangle.y + i, color);
}
}
}
if (Image == null)
{
Debug.LogError("Image null!");
}
return(true);
}
public AtlasTexture(int width, int height, Borders borders = null)
{
if (borders == null)
{
borders = new Borders();
}
Image = new Texture2D(width, height);
Color32 col = new Color32(255, 255, 255, 0);
Color32[] pixels = Image.GetPixels32();
for (int i = 0; i < pixels.Length; ++i)
{
pixels[i] = col;
}
Image.SetPixels32(pixels);
Image.Apply();
_root = new AtlasNode(borders.Left, borders.Bottom, width - borders.Left, height - borders.Bottom);
}
public AtlasNode Insert(Texture2D image, Borders borders)
{
//if we're not a leaf then
if (!IsLeaf())
{
//try inserting into first child
AtlasNode newNode = Child[0].Insert(image, borders);
if (newNode != null)
{
return(newNode);
}
//no room, insert into second
return(Child[1].Insert(image, borders));
}
else
{
//if there's already a texture here, return
if (this.Image != null)
{
return(null);
}
//if we're too small, return
if (image.width > Rectangle.width || image.height > Rectangle.height)
{
return(null);
}
//if we're just right, accept
if (image.width == Rectangle.width && image.height == Rectangle.height)
{
this.Image = image;
return(this);
}
//decide which way to split
int dw = (int)Rectangle.width - image.width - borders.Width;
int dh = (int)Rectangle.height - image.height - borders.Height;
//create some kids
if (dw > dh)
{
Child[0] = new AtlasNode(
(int)Rectangle.x,
(int)Rectangle.y,
(int)image.width,
(int)Rectangle.height);
Child[1] = new AtlasNode(
(int)Rectangle.x + (int)image.width + borders.Width,
(int)Rectangle.y,
(int)Rectangle.width - (int)image.width - borders.Width,
(int)Rectangle.height);
}
else
{
Child[0] = new AtlasNode(
(int)Rectangle.x,
(int)Rectangle.y,
(int)Rectangle.width,
(int)image.height);
Child[1] = new AtlasNode(
(int)Rectangle.x,
(int)Rectangle.y + (int)image.height + borders.Height,
(int)Rectangle.width,
(int)Rectangle.height - (int)image.height - borders.Height);
}
//insert into first child we created
return(Child[0].Insert(image, borders));
}
}
