public void mapPixel(Vector2 templatePixel, Vector2 layerPixel)
{
if (colorMapDictionary == null)
{
colorMapDictionary = new VectorDictionary();
}
if (originalColorDictionary == null)
{
originalColorDictionary = new VectorColorDictionary();
}
if (colorMapDictionary.ContainsValue(templatePixel))
{
Vector2 keyToSwap = Vector2.negativeInfinity;
//We know that this pixel is already mapped to something on this layer
//so lets go through and find which one it is
foreach (Vector2 key in colorMapDictionary.Keys)
{
if (colorMapDictionary[key] == templatePixel)
{
if (key != layerPixel)
{
//the pixel we are mapping isn't the same as the already set pixel, so we shall replace these
keyToSwap = key;
}
else
{
//We are mapping the same pixel, so lets just stop here
return;
}
}
}
if (keyToSwap != Vector2.negativeInfinity)
{
colorMapDictionary.Remove(keyToSwap);
SetPixel((int)keyToSwap.x, (int)keyToSwap.y, originalColorDictionary[keyToSwap]);
originalColorDictionary.Remove(keyToSwap);
}
}
originalColorDictionary[layerPixel] = GetPixel((int)layerPixel.x, (int)layerPixel.y);
colorMapDictionary[layerPixel] = templatePixel;
colorMappedPixels(templatePixel);
}
// Create clone of other UPALayer
public UPALayer(UPALayer original)
{
name = original.name;
opacity = 1;
mode = original.mode;
map = (Color[])original.map.Clone();
tex = new Texture2D(original.parentImg.width, original.parentImg.height);
Texture2D parentTex = original.tex;
if (parentTex != null)
{
//TODO: may be bad to turn this off
tex.SetPixels(original.tex.GetPixels());
}
else
{
Debug.LogError("no parent tex!!");
}
tex.filterMode = FilterMode.Point;
tex.Apply();
enabled = true;
locked = original.locked;
parentImg = original.parentImg;
colorMapDictionary = original.colorMapDictionary;
// Because Unity won't record map (Color[]) as an undo,
// we instead register a callback to LoadMapFromTex since undoing textures works fine
Undo.undoRedoPerformed += LoadMapFromTex; // subscribe to the undo event
}
