/// <summary>
/// Maps the classname to a clip.
/// </summary>
/// <param name="className">Name of the class.</param>
/// <param name="tl">The timeline to bind the class to.</param>
internal void MapClassnameToClip(string className, Timeline tl)
{
AS3ClassDef clazz = this.ClassByName(className);
tl.Class = clazz;
this.clipClassMap[clazz] = tl;
}
/// <summary>
/// Processes a text replacement tag
/// </summary>
/// <param name="nav">The text replacement node.</param>
/// <param name="swf">The SWF being processed.</param>
private void TextReplace(XPathNavigator nav, SWF swf)
{
XPathNavigator findNode = Xml.SelectNode(nav, @"swf:find/text()");
if (findNode == null)
{
throw new SwiffotronException(SwiffotronError.BadInputXML, this.Context, "The find element in textreplace operations cannot be empty.");
}
string find = findNode.Value;
XPathNavigator replaceNode = Xml.SelectNode(nav, @"swf:replace/text()");
string replace = replaceNode == null ? string.Empty : replaceNode.Value;
foreach (XPathNavigator loc in Xml.SelectChildren(nav, @"location"))
{
string type = loc.GetAttribute(XMLHelper.AttrType, string.Empty);
switch (type)
{
case XMLHelper.ValActionscript:
swf.TextReplaceInCode(find, replace);
break;
case XMLHelper.ValMovieClip:
string path = loc.GetAttribute(XMLHelper.AttrPath, string.Empty);
Timeline[] clips = new Timeline[] { swf };
if (path != "*")
{
clips = swfProc.SpritesFromQname(path, swf, true);
}
foreach (Timeline clip in clips)
{
clip.CharacterProc(delegate(ICharacter ch)
{
if (ch is IText)
{
IText t = (IText)ch;
string text = t.Text;
if (text.Contains(find))
{
/* The Contains test may seem redundant here, but the cost of the
* assignment, even if there was nothing replaced is potentially
* quite high. */
t.Text = text.Replace(find, replace);
}
}
});
}
break;
default:
throw new SwiffotronException(SwiffotronError.BadInputXML, this.Context, "Bad text replace location type: " + type);
}
}
}
/// <summary>
/// Generates a main timeline script for a new SWF
/// </summary>
/// <param name="qClassName">Qualified class name for the MainTimeline class,
/// e.g. mygeneratedswf_fla.MainTimeline</param>
/// <returns>A DoABC tag that can be inserted into a new SWF, which may be the one
/// from the timeline (And so may already be in the SWF).</returns>
public static DoABC GenerateDefaultScript(string qClassName, Timeline timeline)
{
DoABC abc = timeline.Root.FirstScript;
if (abc == null)
{
abc = new DoABC(true, string.Empty, null, null);
abc.code = new AbcCode();
}
AS3ClassDef classDef = GenerateTimelineClass(abc.code, qClassName, timeline.Root.Context);
timeline.Class = classDef;
Script s = new Script() { Method = GenerateTimelineScript(abc.code, classDef) };
abc.code.AddScript(s);
s.AddTrait(new ClassTrait() { As3class = classDef, Kind = TraitKind.Class, Name = timeline.Class.Name });
return abc;
}
/// <summary>
/// Initializes a new instance of a sprite by cloning another timeline.
/// </summary>
/// <param name="srcTimeline">The timeline to clone.</param>
/// <param name="className">If the cloned timeline is a SWF, then
/// you should pass in a class name here. The MainTimeline class
/// will be renamed in here to this new name.</param>
public Sprite(Timeline srcTimeline, SWF root, string className = null)
{
this._root = root;
/* Layers are just objects that exist purely to be arranged in some
* kind of order and be pointed at by more meaningful, other things.
* To clone layers, we need to simply copy the list and map old
* layer refs to our new ones. */
Dictionary<Layer, Layer> newLayers = new Dictionary<Layer, Layer>(srcTimeline.LayerCount);
foreach (Layer l in srcTimeline.Layers)
{
Layer newLayer = new Layer(this);
LayerList.Add(newLayer);
newLayers.Add(l, newLayer);
}
FrameList = new List<Frame>((int)srcTimeline.FrameCount);
foreach (Frame f in srcTimeline.Frames)
{
Frame newFrame = new Frame();
foreach (IDisplayListItem dli in f.DisplayList)
{
newFrame.AddTag(dli.Clone(newLayers[dli.Layer], false));
}
FrameList.Add(newFrame);
}
if (srcTimeline is SWF)
{
SWF srcSWF = (SWF)srcTimeline;
if (className != null)
{
if (srcSWF.Class != null)
{
srcSWF.RenameMainTimelineClass(className);
}
/* Else the class will be generated later */
}
RemapFonts(srcSWF, root);
if (className != null)
{
foreach (DoABC abc in srcSWF.Scripts)
{
root.MergeScript(abc);
}
}
if (className == null)
{
/* It's tempting to use ClassByName("flash.display.MovieClip") but
* remember that that class exists in the player, not the SWF. What
* we need in this case is just the name of the class, not a reference
* to the class itself. Because that's complicated, we assign a
* dummy class and watch for it when we write the class out. */
this.Class = AdobeClass.CreateFlashDisplayMovieClip(root.FirstScript.Code);
}
else
{
this.Class = srcSWF.Class;
}
}
}
private string RegisterTimeline(Timeline t)
{
int num = TimelineIDs.Count;
TimelineIDs.Add(t, num);
string name = "s" + num;
this.NameTimelineMap.Add(name, t);
return name;
}
private void BuildDictionary(Timeline timeline, StringBuilder buff)
{
if (this.OutputComments)
{
buff.AppendLine(" /* timeline for "+timeline.ToString()+" */");
}
foreach (Frame f in Swf.Frames)
{
foreach (IDisplayListItem dli in f.DisplayList)
{
if (!Dict.ContainsKey(dli) && dli.Type == DisplayListItemType.PlaceObjectX)
{
string name = "mc" + Dict.Count + 1;
Dict.Add(dli, name);
PlaceObject po = dli as PlaceObject;
ICharacter ch = po.Character;
if (ch is Shape)
{
buff.AppendLine(" dict['" + name + "'] = \"" + ShapeToJS(ch as Shape) + "\";");
}
else if (ch is Sprite)
{
string clipName = RegisterTimeline((Timeline)ch);
buff.AppendLine(" var " + clipName + " = swiffoid.createMovieClipClass([o,o,o,o,o]);");
buff.AppendLine(" swiffoid.addClip('" + clipName + "', " + clipName + ");");
buff.AppendLine(" var instance = swiffoid.instantiateClip('" + clipName + "');");
html.JQueryAppendNew(buff, " ", "$root", "canvas", new string[][] {
new string[] {"width", this.Width + "px"},
new string[] {"height", this.Height + "px"},
});
BuildDictionary((Sprite)ch, buff);
}
}
}
}
}
private void ReadSprite()
{
int characterID = this.sdtr.ReadUI16();
uint frameCount = this.sdtr.ReadUI16();
#if DEBUG
this.Log("char id=" + characterID + ", frames=" + frameCount);
#endif
Sprite sprite = this.swf.NewSprite(CID_PREFIX + characterID, frameCount, (this.frameCursor == 1));
this.currentTimeline = sprite;
this.characterUnmarshaller.Add(characterID, sprite);
int currentFrame = 1;
for (; ; )
{
int type;
uint followingOffset;
this.sdtr.ReadRECORDHEADER(out type, out followingOffset);
#if DEBUG
Tag _tag = (Tag)type;
bool isDefine = _tag == Tag.DefineShape ||
_tag == Tag.DefineShape3 ||
_tag == Tag.DefineShape4 ||
_tag == Tag.DefineSprite;
this.MarkDumpOffset(
"Body of " + _tag + " (" + type + ") len=" + (followingOffset - this.sdtr.Offset),
isDefine);
this.binaryDumpNest++;
#endif
switch ((Tag)type)
{
case Tag.ShowFrame:
#if DEBUG
this.MarkDumpOffset("");
#endif
currentFrame++;
break;
case Tag.End:
if ((currentFrame - 1) != frameCount)
{
throw new SWFModellerException(
SWFModellerError.SWFParsing,
@"Frame count mismatch in sprite " + characterID, swf.Context);
}
this.currentTimeline = this.swf;
#if DEBUG
this.binaryDumpNest--;
#endif
return;
case Tag.PlaceObject2:
sprite.GetFrame(currentFrame).AddTag(this.ReadPlaceObject2());
break;
case Tag.PlaceObject:
sprite.GetFrame(currentFrame).AddTag(this.ReadPlaceObject(followingOffset));
break;
case Tag.FrameLabel:
sprite.GetFrame(currentFrame).Label = this.sdtr.ReadString();
#if DEBUG
this.Log("Frame label = " + sprite.GetFrame(currentFrame).Label);
#endif
break;
case Tag.RemoveObject2:
sprite.GetFrame(currentFrame).AddTag(this.ReadRemoveObject2());
break;
case Tag.RemoveObject:
case Tag.StartSound:
case Tag.SoundStreamHead:
case Tag.SoundStreamHead2:
case Tag.SoundStreamBlock:
case Tag.DoAction:
/* ISSUE 73 */
throw new SWFModellerException(
SWFModellerError.UnimplementedFeature,
@"Unsupported tag within a sprite definition: " + ((Tag)type).ToString(), swf.Context);
default:
throw new SWFModellerException(
SWFModellerError.SWFParsing,
@"Bad SWF; A " + ((Tag)type).ToString() + @" tag is not permitted within a sprite definition", swf.Context);
}
#if DEBUG
this.binaryDumpNest--;
#endif
}
}
/// <summary>
/// Reads a SWF from the stream.
/// </summary>
/// <returns>A parsed SWF object</returns>
public SWF ReadSWF(SWFContext ctx)
{
#if DEBUG
this.MarkDumpOffset("Start of file");
#endif
this.jpegTable = null;
this.sceneNotes = new List<FrameNote>();
this.frameLabelNotes = new List<FrameNote>();
this.ReadHeader(ctx);
this.fontDict = new Dictionary<int, SWFFont>();
this.frameCursor = 1;
bool as3 = false;
if (this.version >= 8)
{
#if DEBUG
this.MarkDumpOffset("Start of file attributes tag");
#endif
this.ReadFileAttributesTag(out as3);
}
if (!as3)
{
throw new SWFModellerException(
SWFModellerError.SWFParsing,
@"AS2 and under is not supported.", ctx);
}
this.swf = new SWF(ctx, false);
this.swf.FrameWidth = this.frameSize.Width;
this.swf.FrameHeight = this.frameSize.Height;
this.swf.Fps = this.fps;
this.swf.FrameCount = this.frameCount;
this.currentTimeline = this.swf;
bool hasMore = true;
do
{
hasMore = this.ReadTag();
}
while (hasMore);
foreach (FrameNote note in this.sceneNotes)
{
this.swf.GetFrame((int)note.frame).SceneName = note.note;
}
foreach (FrameNote note in this.frameLabelNotes)
{
this.swf.GetFrame((int)note.frame).Label = note.note;
}
foreach (string className in this.LateClassResolutions.Keys)
{
swf.MapClassnameToClip(className, this.LateClassResolutions[className]);
}
return this.swf;
}
