internal Sprite(IEnumerable<ISwfTag> tags, ushort id, ushort frames, ISystemServices services)
{
ushort frame = 0;
var removed = new List<ushort>();
var modified = new List<PlaceObject2Tag>();
var actions = new List<ActionBlock>();
ID = id;
Frames = new SpriteFrame[frames];
foreach (var tag in tags)
{
if (tag is ShowFrameTag)
{
Frames[frame++] = new SpriteFrame(actions.ToArray(), removed, modified);
actions.Clear();
}
else if (tag is FrameLabelTag)
_frameLabels.Add((tag as FrameLabelTag).Label, frame);
else if (tag is PlaceObjectTag)
modified.Add(new PlaceObject2Tag(tag as PlaceObjectTag));
else if (tag is PlaceObject2Tag)
modified.Add(tag as PlaceObject2Tag);
else if (tag is RemoveObjectTag)
removed.Add((tag as RemoveObjectTag).Depth);
else if (tag is RemoveObject2Tag)
removed.Add((tag as RemoveObject2Tag).Depth);
else if (tag is DoActionTag)
actions.Add((tag as DoActionTag).Actions);
else
// TODO: Implement remaining valid tags
// DoABC, StartSound, SoundStreamHead, SoundStreamHead2, SoundStreamBlock, PlaceObject3
UnhandledTag(tag, services);
}
}
public void ProcessSpriteFrame(SpriteFrame frame, MovieClip clip)
{
DisplayObject obj;
var n = _displayList.First;
foreach (var r in frame.RemovedObjects)
{
for (; n != null && n.Value.Depth < r; n = n.Next) ;
if (n == null) break;
if (n.Value.Depth == r)
{
if (n.Next == null)
{
n.Value.Removed();
_displayList.RemoveLast();
n = null;
}
else
{
n = n.Next;
n.Previous.Value.Removed();
_displayList.Remove(n.Previous);
}
continue;
}
}
n = _displayList.First;
foreach (var m in frame.ModifiedObjects)
{
for (; n != null && n.Value.Depth < m.Depth; n = n.Next) ;
if (n == null)
{
obj = DisplayObject.CreateAndPlace(m, clip);
if (obj != null) _displayList.AddLast(obj);
}
else if (n.Value.Depth == m.Depth)
{
if (!n.Value.SetPlacement(m, clip))
{
n = n.Next;
_displayList.Remove(n);
}
}
else
{
obj = DisplayObject.CreateAndPlace(m, clip);
if (obj != null)
_displayList.AddBefore(n, obj);
}
}
}
