/*
* Constructor
*/
public PixelSourceLayer(LayeredTexture parent, PixelSource ps, Pixel.PixelBlendMode blendMode, int xOffset, int yOffset)
{
mPixelSource = ps;
mPixelBlendMode = blendMode;
mOffsetX = xOffset;
mOffsetY = yOffset;
mParent = parent;
mFilter = new ClearFilter();
}
public void AddLayer(string name, Pixel.PixelBlendMode blendMode, PixelSource newPixelSource, int xOffset, int yOffset)
{
// Check if a layer with the same name already exists
if (HasLayer(name))
{
Console.LogError("LayeredTexture AddLayer: PixelSource with name " + name + " already exists.");
}
// Add layer
AddLayer(name, new PixelSourceLayer(this, newPixelSource, blendMode, xOffset, yOffset));
}
/*
* Add an empty layer to a zone
*/
public void CreateLayerInZone(string layerName, string zoneName, Pixel.PixelBlendMode blendMode)
{
if (!HasZone(zoneName))
{
Console.LogError("LayeredPalette AddLayer(): Zone " + zoneName + " does not exist");
}
else
{
TextureZone zone = GetZone(zoneName);
SolidColorPixelSource newPixelSource = SolidColorPixelSource.Clear((int)zone.Area.width, (int)zone.Area.height);
PixelSourceLayer newLayer = new PixelSourceLayer(this, newPixelSource, blendMode, (int)zone.Area.x, (int)zone.Area.y);
CreateLayerInZone(layerName, zoneName, newLayer);
}
}
public void ChangeLayerBlendMode(string name, Pixel.PixelBlendMode newBlendMode)
{
// Check if a layer exists
if (HasLayer(name))
{
PixelSourceLayer layer = GetLayer(name);
layer.PixelBlendMode = newBlendMode;
MarkAsDirty(layer);
}
else
{
Console.LogError("LayeredTexture ChangeLayerBlendMode: TexturePixelSource with name " + name + " does not exist");
}
}
/// <summary>
/// Flatten a Pixel of the Complex Texture. Recurse down the layers and combine pixels
/// </summary>
protected HColor FlattenPixel(int x, int y, int level, List <PixelSourceLayer> layers)
{
// Base Case 1
switch (level)
{
case 0:
return(new HColor(0, 0, 0, 0));
case 1:
return(layers[0][x, y]);
default:
PixelSourceLayer currentLayer = layers[level - 1];
// Optimization 1: Out of PixelSource Bounds
// If we are out of bounds for this layer don't bother Blending Pixels, go to next layer
if (!currentLayer.IndexInBounds(x, y))
{
return(FlattenPixel(x, y, level - 1, layers));
}
HColor pixel = currentLayer[x, y];
Pixel.PixelBlendMode blendMode = currentLayer.PixelBlendMode;
// Optimization 2
// If layer Blendmode == Layer, and alpha is 1, get the hell out of here
if (blendMode == Pixel.PixelBlendMode.Layer)
{
// Quick Exit
if (pixel.a == 255)
{
return(pixel);
}
// If 100% transparent go down to next layer
if (pixel.a == 0)
{
return(FlattenPixel(x, y, level - 1, layers));
}
}
// Else recurse down and combine pixel with the result of the lower pixel
Pixel.BlendPixels blendFunction = Pixel.GetBlendFunction(blendMode);
return(blendFunction(FlattenPixel(x, y, level - 1, layers), pixel));
}
}
public void CreateLayerInAllZones(string layerName, PixelSource newPixelSource, Pixel.PixelBlendMode blendMode)
{
PixelSourceLayer newLayer = new PixelSourceLayer(this, newPixelSource, blendMode, 0, 0);
mUniversalLayers.Add(newLayer);
// Add this layer to all zones
for (int x = 0; x < mZones.Count; ++x)
{
mZones[x].AddLayer(newLayer);
}
// Create Layer
AddLayer(layerName, newLayer);
}
public void AddLayer(string name, Pixel.PixelBlendMode blendMode, PixelSource newPixelSource)
{
AddLayer(name, blendMode, newPixelSource, 0, 0);
}
