private void ParsePlaceObject2Tag(PlaceObject2Tag tag)
{
uint curTime = (uint)((curFrame * (1 / swf.Header.FrameRate)) * 1000);
uint totalTime = GetDuration(this.curTimeline.FrameCount);
Vex.Matrix mx = ParseMatrix(tag.Matrix);
float alpha = 1;
Instance inst;
if (tag.HasCharacter && !tag.Move) // a new symbol at this depth, none preexisting
{
inst = new Instance();
inst.DefinitionId = tag.Character;
inst.StartTime = curTime;
inst.EndTime = totalTime;
inst.Depth = (int)tag.Depth;
curDepthChart.Add(tag.Depth, inst);
this.curTimeline.AddInstance(inst);
}
else if (!tag.HasCharacter && tag.Move) // an old symbol is modified
{
inst = curDepthChart[tag.Depth];
Transform lastT = inst.Transformations[inst.Transformations.Count - 1];
lastT.EndTime = curTime;
inst.EndTime = curTime;
alpha = lastT.Alpha;
}
else if (tag.HasCharacter && tag.Move) // a new symbol replaces an old one
{
Instance old = curDepthChart[tag.Depth];
Transform lastT = old.Transformations[old.Transformations.Count - 1];
lastT.EndTime = curTime;
old.EndTime = curTime;
curDepthChart.Remove(tag.Depth);
inst = new Instance();
// note: when replacing old symbol, the previous matrix is used
if (!tag.HasMatrix)
{
mx = lastT.Matrix;
}
// as is old color xform
if (!tag.HasColorTransform)
{
alpha = lastT.Alpha; // include rest of xform as it comes
}
inst.DefinitionId = tag.Character;
inst.StartTime = curTime;
inst.EndTime = totalTime;
inst.Depth = (int)tag.Depth;
curDepthChart.Add(tag.Depth, inst);
this.curTimeline.AddInstance(inst);
}
else
{
throw new ArgumentException("swf error, no character to modify");
}
if (tag.HasColorTransform && (tag.ColorTransform.HasAddTerms || tag.ColorTransform.HasMultTerms))
{
int addMult = tag.ColorTransform.AMultTerm + tag.ColorTransform.AAddTerm;
alpha = addMult < 0 ? 0 : addMult / 256F;
}
if (tag.HasClipDepth)
{
inst.IsMask = true;
inst.MaskDepth = tag.ClipDepth;
}
if (tag.HasName)
{
inst.Name = tag.Name;
}
ColorTransform c = tag.ColorTransform;
Vex.ColorTransform ct = new Vex.ColorTransform(c.RAddTerm, c.RMultTerm, c.GAddTerm, c.GMultTerm, c.BAddTerm, c.BMultTerm, c.AAddTerm, c.AMultTerm);
inst.Transformations.Add(new Transform(curTime, totalTime, mx, alpha, ct));
}
private void ParseTags(SwfReader r, byte swfVersion)
{
bool tagsRemain = true;
uint curFrame = 0;
while (tagsRemain)
{
uint b = r.GetUI16();
curTag = (TagType)(b >> 6);
curTagLen = b & 0x3F;
if (curTagLen == 0x3F)
{
curTagLen = r.GetUI32();
}
uint tagEnd = r.Position + curTagLen;
Debug.WriteLine("sprite type: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
switch (curTag)
{
case TagType.End:
tagsRemain = false;
ControlTags.Add(new EndTag(r));
break;
case TagType.PlaceObject:
PlaceObjectTag pot = new PlaceObjectTag(r, tagEnd);
FirstFrameObjects.Add(pot);
ControlTags.Add(pot);
break;
case TagType.PlaceObject2:
PlaceObject2Tag po2t = new PlaceObject2Tag(r, swfVersion);
if (po2t.HasCharacter)
{
FirstFrameObjects.Add(po2t);
}
ControlTags.Add(po2t);
break;
case TagType.PlaceObject3:
PlaceObject3Tag po3t = new PlaceObject3Tag(r);
if (po3t.HasCharacter)
{
FirstFrameObjects.Add(po3t);
}
ControlTags.Add(po3t);
break;
case TagType.RemoveObject:
ControlTags.Add(new RemoveObjectTag(r));
break;
case TagType.RemoveObject2:
ControlTags.Add(new RemoveObject2Tag(r));
break;
case TagType.ShowFrame:
ControlTags.Add(new ShowFrame(r));
curFrame++;
break;
case TagType.SoundStreamHead:
case TagType.SoundStreamHead2:
ControlTags.Add(new SoundStreamHeadTag(r));
break;
case TagType.FrameLabel:
ControlTags.Add(new FrameLabelTag(r));
break;
case TagType.DoAction:
ControlTags.Add(new DoActionTag(r, curTagLen));
break;
case TagType.DoInitAction:
ControlTags.Add(new DoActionTag(r, curTagLen, true));
break;
default:
// skip if unknown
Debug.WriteLine("invalid sprite tag: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
r.SkipBytes(curTagLen);
break;
}
if (tagEnd != r.Position)
{
Console.WriteLine("bad tag in sprite: " + Enum.GetName(typeof(TagType), curTag));
}
}
}
private void ParseTags(SwfReader r, byte swfVersion)
{
bool tagsRemain = true;
uint curFrame = 0;
while (tagsRemain)
{
uint b = r.GetUI16();
curTag = (TagType)(b >> 6);
curTagLen = b & 0x3F;
if (curTagLen == 0x3F)
{
curTagLen = r.GetUI32();
}
uint tagEnd = r.Position + curTagLen;
Debug.WriteLine("sprite type: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
switch (curTag)
{
case TagType.End:
tagsRemain = false;
ControlTags.Add(new EndTag(r));
break;
case TagType.PlaceObject:
PlaceObjectTag pot = new PlaceObjectTag(r, tagEnd);
FirstFrameObjects.Add(pot);
ControlTags.Add(pot);
break;
case TagType.PlaceObject2:
PlaceObject2Tag po2t = new PlaceObject2Tag(r, swfVersion);
if (po2t.HasCharacter)
{
FirstFrameObjects.Add(po2t);
}
ControlTags.Add(po2t);
break;
case TagType.PlaceObject3:
PlaceObject3Tag po3t = new PlaceObject3Tag(r);
if (po3t.HasCharacter)
{
FirstFrameObjects.Add(po3t);
}
ControlTags.Add(po3t);
break;
case TagType.RemoveObject:
ControlTags.Add(new RemoveObjectTag(r));
break;
case TagType.RemoveObject2:
ControlTags.Add(new RemoveObject2Tag(r));
break;
case TagType.ShowFrame:
ControlTags.Add(new ShowFrame(r));
curFrame++;
break;
case TagType.SoundStreamHead:
case TagType.SoundStreamHead2:
ControlTags.Add(new SoundStreamHeadTag(r));
break;
case TagType.FrameLabel:
ControlTags.Add(new FrameLabelTag(r));
break;
case TagType.DoAction:
ControlTags.Add(new DoActionTag(r, curTagLen));
break;
case TagType.DoInitAction:
ControlTags.Add(new DoActionTag(r, curTagLen, true));
break;
default:
// skip if unknown
Debug.WriteLine("invalid sprite tag: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
r.SkipBytes(curTagLen);
break;
}
if (tagEnd != r.Position)
{
Console.WriteLine("bad tag in sprite: " + Enum.GetName(typeof(TagType), curTag));
}
}
}