static public Texture2DArray Insert(Texture2DArray texArr, int pos, Texture2D tex)
{
bool linear = texArr.IsLinear();
if (texArr == null || texArr.depth == 0)
{
texArr = new Texture2DArray(tex.width, tex.height, 1, texArr.format, true, linear: linear);
texArr.filterMode = FilterMode.Trilinear;
texArr.SetTexture(tex, 0, apply: false);
return(texArr);
}
if (pos > texArr.depth || pos < 0)
{
pos = texArr.depth;
}
Texture2DArray newArr = new Texture2DArray(texArr.width, texArr.height, texArr.depth + 1, texArr.format, true, linear: linear);
newArr.name = texArr.name;
if (pos != 0)
{
CopyTextures(texArr, newArr, pos);
}
if (pos != texArr.depth)
{
CopyTextures(texArr, pos, newArr, pos + 1, texArr.depth - pos);
}
if (tex != null)
{
newArr.SetTexture(tex, pos, apply: false);
}
newArr.Apply(updateMipmaps: false);
return(newArr);
}
static public Texture2DArray WritableClone(this Texture2DArray texArr)
{
Texture2DArray newArr = new Texture2DArray(texArr.width, texArr.height, texArr.depth, texArr.format, true, linear: texArr.IsLinear());
for (int i = 0; i < texArr.depth; i++)
{
CopyTexture(texArr, i, newArr, i);
}
newArr.Apply(updateMipmaps: true);
return(newArr);
}
static public Texture2DArray FormattedClone(this Texture2DArray texArr, TextureFormat format)
{
Texture2DArray newArr = new Texture2DArray(texArr.width, texArr.height, texArr.depth, format, true, linear: texArr.IsLinear());
newArr.name = texArr.name;
int depth = texArr.depth;
for (int i = 0; i < depth; i++)
{
CopyTexture(texArr, i, newArr, i);
}
newArr.Apply(updateMipmaps: false);
return(newArr);
}
static public Texture2DArray ResizedClone(this Texture2DArray texArr, int newWidth, int newHeight)
{
Texture2DArray newArr = new Texture2DArray(newWidth, newHeight, texArr.depth, texArr.format, true, linear: texArr.IsLinear());
newArr.name = texArr.name;
for (int i = 0; i < texArr.depth; i++)
{
CopyTexture(texArr, i, newArr, i);
}
newArr.Apply(updateMipmaps: false);
return(newArr);
}
static public Texture2DArray ChangeCount(Texture2DArray texArr, int newSize)
{
//if (texArr.depth == newSize) return texArr;
Texture2DArray newArr = new Texture2DArray(texArr.width, texArr.height, newSize, texArr.format, true, linear: texArr.IsLinear());
newArr.name = texArr.name;
int min = newSize < texArr.depth? newSize : texArr.depth;
CopyTextures(texArr, newArr, min);
newArr.Apply(updateMipmaps: false);
return(newArr);
}
static public Texture2DArray RemoveAt(Texture2DArray texArr, int num)
{
if (num >= texArr.depth || num < 0)
{
return(texArr);
}
Texture2DArray newArr = new Texture2DArray(texArr.width, texArr.height, texArr.depth - 1, texArr.format, true, linear: texArr.IsLinear());
newArr.name = texArr.name;
if (num != 0)
{
CopyTextures(texArr, newArr, num);
}
if (num != texArr.depth)
{
CopyTextures(texArr, num + 1, newArr, num, newArr.depth - num);
}
newArr.Apply(updateMipmaps: false);
return(newArr);
}
static public void Clear(this Texture2DArray texArr, int chNum)
/// Fills channel with blank without removing it
{
Texture2D temp = new Texture2D(texArr.width, texArr.height, texArr.format, true, linear: texArr.IsLinear());
texArr.SetTexture(temp, chNum);
}
static public Texture2DArray InsertRange(Texture2DArray texArr, int pos, Texture2DArray addArr)
{
//if (texArr==null || texArr.depth==0) { return addArr; }
if (pos > texArr.depth || pos < 0)
{
pos = texArr.depth;
}
Texture2DArray newArr = new Texture2DArray(texArr.width, texArr.height, texArr.depth + addArr.depth, texArr.format, true, linear: texArr.IsLinear());
newArr.name = texArr.name;
if (pos != 0)
{
CopyTextures(texArr, newArr, pos);
}
CopyTextures(addArr, 0, newArr, pos, addArr.depth);
if (pos != texArr.depth)
{
CopyTextures(texArr, pos, newArr, pos + addArr.depth, texArr.depth - pos);
}
newArr.Apply(updateMipmaps: false);
return(newArr);
}
public static Texture2DArray Add(Texture2DArray texArr, Texture2D tex)
{
Texture2DArray newArr = new Texture2DArray(texArr.width, texArr.height, texArr.depth + 1, texArr.format, true, linear: texArr.IsLinear());
newArr.name = texArr.name;
CopyTextures(texArr, newArr, texArr.depth);
newArr.SetTexture(tex, texArr.depth, apply: false);
newArr.Apply(updateMipmaps: false);
return(newArr);
}
public static void CopyTextures(Texture2DArray srcArr, int srcIndex, Texture2DArray dstArr, int dstIndex, int length)
/// Bulk textures copy from index to index
{
//format and size match
if (srcArr.format == dstArr.format && srcArr.width == dstArr.width && srcArr.height == dstArr.height)
{
for (int i = 0; i < length; i++)
{
Graphics.CopyTexture(srcArr, srcIndex + i, dstArr, dstIndex + i);
}
dstArr.Apply(updateMipmaps: false);
return;
}
Texture2D tmpTex = new Texture2D(dstArr.width, dstArr.height, dstArr.format, true, linear: srcArr.IsLinear());
for (int i = 0; i < length; i++)
{
srcArr.FillTexture(tmpTex, srcIndex + i);
Graphics.CopyTexture(tmpTex, 0, dstArr, dstIndex + i);
}
dstArr.Apply(updateMipmaps: false);
}
public static Texture2D GetTexture(this Texture2DArray srcArr, int srcCh, bool readable = true)
{
Texture2D tex = new Texture2D(srcArr.width, srcArr.height, srcArr.format, true, linear: srcArr.IsLinear());
Graphics.CopyTexture(srcArr, srcCh, tex, 0);
tex.Apply(updateMipmaps: false, makeNoLongerReadable: !readable);
return(tex);
}
public static Texture2D GetTexture(this Texture2DArray srcArr, int srcCh, bool readable = true)
{
Texture2D tex = null;
try
{
tex = new Texture2D(srcArr.width, srcArr.height, srcArr.format, true, linear: srcArr.IsLinear());
Graphics.CopyTexture(srcArr, srcCh, tex, 0);
tex.Apply(updateMipmaps: false, makeNoLongerReadable: !readable);
}
catch (System.Exception e)
{
//Debug.LogError($"Could not load texture array texture: {e}");
Debug.LogError("Could not load texture array texture: " + e);
}
return(tex);
}
