public IDisplayListItem Clone(Layer l, bool rename)
{
/* ISSUE 19: Can't decide if we want to clone the characters, or clone them if we
* pass in a flag and leave it to the swiffotron's logic to decide. */
string name = this.Name;
if (rename && name != null)
{
name += "_copy";
}
PlaceObject po = new PlaceObject(
this.Character,
l,
this.ClipDepth,
this.Matrix == null ? null : this.Matrix.Copy(),
name,
this.IsMove,
this.CXForm == null ? null : this.CXForm.Clone(),
this.ClassName,
this.Ratio);
/* ISSUE 19: Check that the name doesn't exist on the target layer's timeline. Remember the target
* timeline might be different to the source timeline, so name collisions may or may not happen.
* you might think passing in 'rename == true' all the time would be a good thing, but actually
* this just breaks all the bytecode. I'm not entirely sure it's possible to fix that.
* Best advice.. be careful with your names.
*/
return(po);
}
/// <summary>
/// Add something to the display list. TODO: Rename this method?
/// </summary>
/// <param name="dlistItem">The item to add.</param>
public void AddTag(IDisplayListItem dlistItem)
{
this.displayList.Add(dlistItem);
PlaceObject po = dlistItem as PlaceObject;
if (po != null && po.Name != null)
{
this.placeObjectMap.Add(po.Name, po);
}
}
internal void RemoveDisplayListItem(IDisplayListItem dli)
{
this.displayList.Remove(dli);
PlaceObject po = dli as PlaceObject;
if (po != null && po.Name != null)
{
this.placeObjectMap.Remove(po.Name);
}
}
private Tag TagForPlaceObject(PlaceObject po)
{
if (po.HasClassName)
{
/* ISSUE 47:
* Also indicated by presence of
* - Surface filter list
* - Blend mode
* - Bitmap cache
*/
return(Tag.PlaceObject3);
}
if (po.HasName || po.IsMove || po.HasClipDepth || po.HasRatio || po.HasClipActions || po.HasColorTransformWithAlpha)
{
return(Tag.PlaceObject2);
}
return(Tag.PlaceObject);
}
private void WritePlaceObjectTag(PlaceObject po)
{
Tag placeTag = this.TagForPlaceObject(po);
WriteBuffer tagWriter = this.OpenTag(placeTag);
int cid;
switch (placeTag)
{
case Tag.PlaceObject:
if (!po.HasCharacter)
{
throw new SWFModellerException(
SWFModellerError.Internal,
"A PlaceObject display list item must have a character unless it is a move instruction.");
}
#if DEBUG
if (!this.characterMarshal.HasMarshalled(po.Character))
{
throw new SWFModellerException(
SWFModellerError.Internal,
"Can't place object that hasn't been written to stream yet.");
}
#endif
cid = this.characterMarshal.GetIDFor(po.Character);
tagWriter.WriteUI16((uint)cid);
#if DEBUG
this.LogMessage("po cid =" + cid);
#endif
tagWriter.WriteUI16((uint)po.LayerIndex);
if (!po.HasMatrix)
{
throw new SWFModellerException(
SWFModellerError.Internal,
"A PlaceObject display list item must have a Matrix, unless it's a PlaceObject2 tag. See spec for info, I can't work it out.");
}
tagWriter.WriteMatrix(po.Matrix);
if (po.HasColorTransform)
{
tagWriter.WriteColorTransform(po.CXForm, false);
}
break;
case Tag.PlaceObject2:
tagWriter.WriteBit(po.HasClipActions);
tagWriter.WriteBit(po.HasClipDepth);
tagWriter.WriteBit(po.HasName);
tagWriter.WriteBit(po.HasRatio);
tagWriter.WriteBit(po.HasColorTransform);
tagWriter.WriteBit(po.HasMatrix);
tagWriter.WriteBit(po.HasCharacter);
tagWriter.WriteBit(po.IsMove);
tagWriter.WriteUI16((uint)po.LayerIndex);
if (po.HasCharacter)
{
#if DEBUG
if (!this.characterMarshal.HasMarshalled(po.Character))
{
throw new SWFModellerException(
SWFModellerError.Internal,
"Can't place object that hasn't been written to stream yet.");
}
#endif
cid = this.characterMarshal.GetIDFor(po.Character);
tagWriter.WriteUI16((uint)cid);
#if DEBUG
this.LogMessage("po cid =" + cid);
#endif
}
if (po.HasMatrix)
{
tagWriter.WriteMatrix(po.Matrix);
}
if (po.HasColorTransform)
{
tagWriter.WriteColorTransform(po.CXForm, true);
}
if (po.HasRatio)
{
tagWriter.WriteUI16((uint)po.Ratio);
}
if (po.HasName)
{
#if DEBUG
this.LogMessage("name=" + po.Name);
#endif
tagWriter.WriteString(po.Name);
}
if (po.HasClipDepth)
{
tagWriter.WriteUI16((uint)po.ClipDepth);
}
if (po.HasClipActions)
{
throw new SWFModellerException(
SWFModellerError.Internal,
"Clips cannot have actions in the target SWF version.");
}
break;
default:
/* ISSUE 73 */
throw new SWFModellerException(
SWFModellerError.UnimplementedFeature,
"Unsupported PlaceObject tag: " + placeTag.ToString());
}
#if DEBUG
this.LogMessage("po char =" + po.Character);
#endif
this.CloseTag();
}
public IDisplayListItem Clone(Layer l, bool rename)
{
/* ISSUE 19: Can't decide if we want to clone the characters, or clone them if we
* pass in a flag and leave it to the swiffotron's logic to decide. */
string name = this.Name;
if (rename && name != null)
{
name += "_copy";
}
PlaceObject po = new PlaceObject(
this.Character,
l,
this.ClipDepth,
this.Matrix == null ? null : this.Matrix.Copy(),
name,
this.IsMove,
this.CXForm == null ? null : this.CXForm.Clone(),
this.ClassName,
this.Ratio);
/* ISSUE 19: Check that the name doesn't exist on the target layer's timeline. Remember the target
* timeline might be different to the source timeline, so name collisions may or may not happen.
* you might think passing in 'rename == true' all the time would be a good thing, but actually
* this just breaks all the bytecode. I'm not entirely sure it's possible to fix that.
* Best advice.. be careful with your names.
*/
return po;
}
/// <summary>
/// Finds a placed character on the stage by its instance name.
/// </summary>
/// <param name="qname">The qualified name, which is a dotted path through
/// nested instances to the instance you want, starting from the root
/// timeline.</param>
/// <returns>The placeobject displaylist item, or null if not found.</returns>
public PlaceObject LookupInstance(string qname)
{
/* ISSUE 31: In Swiffotron, we should be making a quick
* check on qname to make sure it's not a store path since
* if it is, and we've specified a wrong instance type, it
* just crashes instead of supplying an informative error
* message.
*/
string[] path = qname.Split('.');
if (path.Length == 0)
{
return(null);
}
PlaceObject po = null;
ICharacter c = null;
foreach (Frame f in this.FrameList)
{
po = f.FindInstance(path[0]);
if (po != null)
{
c = po.Character;
if (c == null)
{
throw new SWFModellerException(
SWFModellerError.CharacterNotFound,
"Instance has missing character: " + path[0]);
}
break;
}
}
for (int i = 1; i < path.Length; i++)
{
if (!(c is Sprite))
{
continue;
}
po = ((Sprite)c).FindInstance(path[i]);
if (po == null)
{
return(null);
}
c = po.Character;
if (c == null)
{
throw new SWFModellerException(
SWFModellerError.CharacterNotFound,
"Instance has missing character: " + path[i]);
}
}
return(po);
}
private void WritePlaceObjectTag(PlaceObject po)
{
Tag placeTag = this.TagForPlaceObject(po);
WriteBuffer tagWriter = this.OpenTag(placeTag);
int cid;
switch (placeTag)
{
case Tag.PlaceObject:
if (!po.HasCharacter)
{
throw new SWFModellerException(
SWFModellerError.Internal,
"A PlaceObject display list item must have a character unless it is a move instruction.");
}
#if DEBUG
if (!this.characterMarshal.HasMarshalled(po.Character))
{
throw new SWFModellerException(
SWFModellerError.Internal,
"Can't place object that hasn't been written to stream yet.");
}
#endif
cid = this.characterMarshal.GetIDFor(po.Character);
tagWriter.WriteUI16((uint)cid);
#if DEBUG
this.LogMessage("po cid =" + cid);
#endif
tagWriter.WriteUI16((uint)po.LayerIndex);
if (!po.HasMatrix)
{
throw new SWFModellerException(
SWFModellerError.Internal,
"A PlaceObject display list item must have a Matrix, unless it's a PlaceObject2 tag. See spec for info, I can't work it out.");
}
tagWriter.WriteMatrix(po.Matrix);
if (po.HasColorTransform)
{
tagWriter.WriteColorTransform(po.CXForm, false);
}
break;
case Tag.PlaceObject2:
tagWriter.WriteBit(po.HasClipActions);
tagWriter.WriteBit(po.HasClipDepth);
tagWriter.WriteBit(po.HasName);
tagWriter.WriteBit(po.HasRatio);
tagWriter.WriteBit(po.HasColorTransform);
tagWriter.WriteBit(po.HasMatrix);
tagWriter.WriteBit(po.HasCharacter);
tagWriter.WriteBit(po.IsMove);
tagWriter.WriteUI16((uint)po.LayerIndex);
if (po.HasCharacter)
{
#if DEBUG
if (!this.characterMarshal.HasMarshalled(po.Character))
{
throw new SWFModellerException(
SWFModellerError.Internal,
"Can't place object that hasn't been written to stream yet.");
}
#endif
cid = this.characterMarshal.GetIDFor(po.Character);
tagWriter.WriteUI16((uint)cid);
#if DEBUG
this.LogMessage("po cid =" + cid);
#endif
}
if (po.HasMatrix)
{
tagWriter.WriteMatrix(po.Matrix);
}
if (po.HasColorTransform)
{
tagWriter.WriteColorTransform(po.CXForm, true);
}
if (po.HasRatio)
{
tagWriter.WriteUI16((uint)po.Ratio);
}
if (po.HasName)
{
#if DEBUG
this.LogMessage("name=" + po.Name);
#endif
tagWriter.WriteString(po.Name);
}
if (po.HasClipDepth)
{
tagWriter.WriteUI16((uint)po.ClipDepth);
}
if (po.HasClipActions)
{
throw new SWFModellerException(
SWFModellerError.Internal,
"Clips cannot have actions in the target SWF version.");
}
break;
default:
/* ISSUE 73 */
throw new SWFModellerException(
SWFModellerError.UnimplementedFeature,
"Unsupported PlaceObject tag: " + placeTag.ToString());
}
#if DEBUG
this.LogMessage("po char =" + po.Character);
#endif
this.CloseTag();
}
private Tag TagForPlaceObject(PlaceObject po)
{
if (po.HasClassName)
{
/* ISSUE 47:
* Also indicated by presence of
* - Surface filter list
* - Blend mode
* - Bitmap cache
*/
return Tag.PlaceObject3;
}
if (po.HasName || po.IsMove || po.HasClipDepth || po.HasRatio || po.HasClipActions || po.HasColorTransformWithAlpha)
{
return Tag.PlaceObject2;
}
return Tag.PlaceObject;
}
