// renders the given node to the internal ElementData dictionary. If the given node is
// not a element, will recursively descend until we render its elements.
private void RenderNode(IElementNode node)
{
int wid;
int ht;
if (_data.NutcrackerData.StringOrienation == NutcrackerEffects.StringOrientations.Horizontal)
{
wid = MaxPixelsPerString;
ht = StringCount;
}
else
{
wid = StringCount;
ht = MaxPixelsPerString;
}
int nFrames = (int)(TimeSpan.TotalMilliseconds / frameMs);
if (nFrames <= 0)
{
return;
}
var nccore = new NutcrackerEffects(_data.NutcrackerData)
{
Duration = TimeSpan
};
nccore.InitBuffer(wid, ht);
int numElements = node.Count();
TimeSpan startTime = TimeSpan.Zero;
// OK, we're gonna create 1 intent per element
// that intent will hold framesToRender Color values
// that it will parcel out as intent states are called for...
// set up arrays to hold the generated colors
var pixels = new RGBValue[numElements][];
for (int eidx = 0; eidx < numElements; eidx++)
{
pixels[eidx] = new RGBValue[nFrames];
}
// generate all the pixels
for (int frameNum = 0; frameNum < nFrames; frameNum++)
{
nccore.RenderNextEffect(_data.NutcrackerData.CurrentEffect);
// peel off this frames pixels...
if (_data.NutcrackerData.StringOrienation == NutcrackerEffects.StringOrientations.Horizontal)
{
int i = 0;
for (int y = 0; y < ht; y++)
{
for (int x = 0; x < _stringPixelCounts[y]; x++)
{
pixels[i][frameNum] = new RGBValue(nccore.GetPixel(x, y));
i++;
}
}
}
else
{
int i = 0;
for (int x = 0; x < wid; x++)
{
for (int y = 0; y < _stringPixelCounts[x]; y++)
{
pixels[i][frameNum] = new RGBValue(nccore.GetPixel(x, y));
i++;
}
}
}
}
;
// create the intents
var frameTs = new TimeSpan(0, 0, 0, 0, frameMs);
List <Element> elements = node.ToList();
for (int eidx = 0; eidx < numElements; eidx++)
{
IIntent intent = new StaticArrayIntent <RGBValue>(frameTs, pixels[eidx], TimeSpan);
_elementData.AddIntentForElement(elements[eidx].Id, intent, startTime);
}
nccore.Dispose();
}