doom3-bfg/neo/swf/SWF_ShapeParser.h

95 lines
3.3 KiB
C++

/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#ifndef __SWF_SHAPEPARSER_H__
#define __SWF_SHAPEPARSER_H__
/*
================================================
This class handles parsing and triangulating a shape
================================================
*/
class idSWFShapeParser
{
public:
idSWFShapeParser() { }
void Parse( idSWFBitStream& bitstream, idSWFShape& shape, int recordType );
void ParseMorph( idSWFBitStream& bitstream, idSWFShape& shape );
void ParseFont( idSWFBitStream& bitstream, idSWFFontGlyph& shape );
private:
bool extendedCount;
bool rgba;
bool morph;
bool lineStyle2;
struct swfSPEdge_t
{
uint16 v0;
uint16 v1;
uint16 cp; // control point if this is a curve, 0xFFFF otherwise
};
struct swfSPMorphEdge_t
{
swfSPEdge_t start;
swfSPEdge_t end;
};
struct swfSPLineLoop_t
{
bool hole;
idList< uint16, TAG_SWF > vindex1;
idList< uint16, TAG_SWF > vindex2;
};
struct swfSPDrawFill_t
{
swfFillStyle_t style;
idList< swfSPMorphEdge_t, TAG_SWF > edges;
idList< swfSPLineLoop_t, TAG_SWF > loops;
};
struct swfSPDrawLine_t
{
swfLineStyle_t style;
idList< swfSPMorphEdge_t, TAG_SWF > edges;
};
idList< idVec2, TAG_SWF > verts;
idList< swfSPDrawFill_t, TAG_SWF > fillDraws;
idList< swfSPDrawLine_t, TAG_SWF > lineDraws;
private:
void ParseShapes( idSWFBitStream& bitstream1, idSWFBitStream* bitstream2, bool swap );
void ReadFillStyle( idSWFBitStream& bitstream );
void ParseEdge( idSWFBitStream& bitstream, int32& penX, int32& penY, swfSPEdge_t& edge );
void MakeLoops();
void TriangulateSoup( idSWFShape& shape );
void TriangulateSoup( idSWFFontGlyph& shape );
int FindEarVert( const swfSPLineLoop_t& loop );
void AddUniqueVert( idSWFShapeDrawFill& drawFill, const idVec2& start, const idVec2& end );
};
#endif // !__SWF_SHAPEPARSER_H__