/*
========================
idSWF::DefineTextX
========================
*/
void idSWF::DefineTextX( idSWFBitStream & bitstream, bool rgba ) {
uint16 characterID = bitstream.ReadU16();
idSWFDictionaryEntry * entry = AddDictionaryEntry( characterID, SWF_DICT_TEXT );
if ( entry == NULL ) {
return;
}
idSWFText * text = entry->text;
bitstream.ReadRect( text->bounds );
bitstream.ReadMatrix( text->matrix );
uint8 glyphBits = bitstream.ReadU8();
uint8 advanceBits = bitstream.ReadU8();
while ( true ) {
uint8 flags = bitstream.ReadU8();
if ( flags == 0 ) {
break;
}
idSWFTextRecord & textRecord = text->textRecords.Alloc();
if ( flags & BIT( 3 ) ) {
textRecord.fontID = bitstream.ReadU16();
}
if ( flags & BIT( 2 ) ) {
if ( rgba ) {
bitstream.ReadColorRGBA( textRecord.color );
} else {
bitstream.ReadColorRGB( textRecord.color );
}
}
if ( flags & BIT( 0 ) ) {
textRecord.xOffset = bitstream.ReadS16();
}
if ( flags & BIT( 1 ) ) {
textRecord.yOffset = bitstream.ReadS16();
}
if ( flags & BIT( 3 ) ) {
textRecord.textHeight = bitstream.ReadU16();
}
textRecord.firstGlyph = text->glyphs.Num();
textRecord.numGlyphs = bitstream.ReadU8();
for ( int i = 0; i < textRecord.numGlyphs; i++ ) {
swfGlyphEntry_t & glyph = text->glyphs.Alloc();
glyph.index = bitstream.ReadU( glyphBits );
glyph.advance = bitstream.ReadS( advanceBits );
}
};
}
/*
========================
idSWFSpriteInstance::PlaceObject2
========================
*/
void idSWFSpriteInstance::PlaceObject2( idSWFBitStream & bitstream ) {
c_PlaceObject2++;
uint64 flags = bitstream.ReadU8();
int depth = bitstream.ReadU16();
int characterID = -1;
if ( ( flags & PlaceFlagHasCharacter ) != 0 ) {
characterID = bitstream.ReadU16();
}
swfDisplayEntry_t * display = NULL;
if ( ( flags & PlaceFlagMove ) != 0 ) {
// modify an existing entry
display = FindDisplayEntry( depth );
if ( display == NULL ) {
idLib::Warning( "PlaceObject2: trying to modify entry %d, which doesn't exist", depth );
return;
}
if ( characterID >= 0 ) {
// We are very picky about what kind of objects can change characters
// Shapes can become other shapes, but sprites can never change
if ( display->spriteInstance || display->textInstance ) {
idLib::Warning( "PlaceObject2: Trying to change the character of a sprite after it's been created" );
return;
}
idSWFDictionaryEntry * dictEntry = sprite->swf->FindDictionaryEntry( characterID );
if ( dictEntry != NULL ) {
if ( dictEntry->type == SWF_DICT_SPRITE || dictEntry->type == SWF_DICT_EDITTEXT ) {
idLib::Warning( "PlaceObject2: Trying to change the character of a shape to a sprite" );
return;
}
}
display->characterID = characterID;
}
} else {
if ( characterID < 0 ) {
idLib::Warning( "PlaceObject2: Trying to create a new object without a character" );
return;
}
// create a new entry
display = AddDisplayEntry( depth, characterID );
if ( display == NULL ) {
idLib::Warning( "PlaceObject2: trying to create a new entry at %d, but an item already exists there", depth );
return;
}
}
if ( ( flags & PlaceFlagHasMatrix ) != 0 ) {
bitstream.ReadMatrix( display->matrix );
}
if ( ( flags & PlaceFlagHasColorTransform ) != 0 ) {
bitstream.ReadColorXFormRGBA( display->cxf );
}
if ( ( flags & PlaceFlagHasRatio ) != 0 ) {
display->ratio = bitstream.ReadU16() * ( 1.0f / 65535.0f );
}
if ( ( flags & PlaceFlagHasName ) != 0 ) {
idStr name = bitstream.ReadString();
if ( display->spriteInstance ) {
display->spriteInstance->name = name;
scriptObject->Set( name, display->spriteInstance->GetScriptObject() );
} else if ( display->textInstance ) {
scriptObject->Set( name, display->textInstance->GetScriptObject() );
}
}
if ( ( flags & PlaceFlagHasClipDepth ) != 0 ) {
display->clipDepth = bitstream.ReadU16();
}
if ( ( flags & PlaceFlagHasClipActions ) != 0 ) {
// FIXME: clip actions
}
}
/*
========================
idSWFSpriteInstance::PlaceObject3
========================
*/
void idSWFSpriteInstance::PlaceObject3( idSWFBitStream & bitstream ) {
c_PlaceObject3++;
uint64 flags1 = bitstream.ReadU8();
uint64 flags2 = bitstream.ReadU8();
uint16 depth = bitstream.ReadU16();
if ( ( flags2 & PlaceFlagHasClassName ) != 0 || ( ( ( flags2 & PlaceFlagHasImage ) != 0 ) && ( ( flags1 & PlaceFlagHasCharacter ) != 0 ) ) ) {
bitstream.ReadString(); // ignored
}
int characterID = -1;
if ( ( flags1 & PlaceFlagHasCharacter ) != 0 ) {
characterID = bitstream.ReadU16();
}
swfDisplayEntry_t * display = NULL;
if ( ( flags1 & PlaceFlagMove ) != 0 ) {
// modify an existing entry
display = FindDisplayEntry( depth );
if ( display == NULL ) {
idLib::Warning( "PlaceObject3: trying to modify entry %d, which doesn't exist", depth );
return;
}
if ( characterID >= 0 ) {
// We are very picky about what kind of objects can change characters
// Shapes can become other shapes, but sprites can never change
if ( display->spriteInstance || display->textInstance ) {
idLib::Warning( "PlaceObject3: Trying to change the character of a sprite after it's been created" );
return;
}
idSWFDictionaryEntry * dictEntry = sprite->swf->FindDictionaryEntry( characterID );
if ( dictEntry != NULL ) {
if ( dictEntry->type == SWF_DICT_SPRITE || dictEntry->type == SWF_DICT_EDITTEXT ) {
idLib::Warning( "PlaceObject3: Trying to change the character of a shape to a sprite" );
return;
}
}
display->characterID = characterID;
}
} else {
if ( characterID < 0 ) {
idLib::Warning( "PlaceObject3: Trying to create a new object without a character" );
return;
}
// create a new entry
display = AddDisplayEntry( depth, characterID );
if ( display == NULL ) {
idLib::Warning( "PlaceObject3: trying to create a new entry at %d, but an item already exists there", depth );
return;
}
}
if ( ( flags1 & PlaceFlagHasMatrix ) != 0 ) {
bitstream.ReadMatrix( display->matrix );
}
if ( ( flags1 & PlaceFlagHasColorTransform ) != 0 ) {
bitstream.ReadColorXFormRGBA( display->cxf );
}
if ( ( flags1 & PlaceFlagHasRatio ) != 0 ) {
display->ratio = bitstream.ReadU16() * ( 1.0f / 65535.0f );
}
if ( ( flags1 & PlaceFlagHasName ) != 0 ) {
idStr name = bitstream.ReadString();
if ( display->spriteInstance ) {
display->spriteInstance->name = name;
scriptObject->Set( name, display->spriteInstance->GetScriptObject() );
} else if ( display->textInstance ) {
scriptObject->Set( name, display->textInstance->GetScriptObject() );
}
}
if ( ( flags1 & PlaceFlagHasClipDepth ) != 0 ) {
display->clipDepth = bitstream.ReadU16();
}
if ( ( flags2 & PlaceFlagHasFilterList ) != 0 ) {
// we don't support filters and because the filter list is variable length we
// can't support anything after the filter list either (blend modes and clip actions)
idLib::Warning( "PlaceObject3: has filters" );
return;
}
if ( ( flags2 & PlaceFlagHasBlendMode ) != 0 ) {
display->blendMode = bitstream.ReadU8();
}
if ( ( flags1 & PlaceFlagHasClipActions ) != 0 ) {
// FIXME:
}
}