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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#ifndef plVertCoder_inc
#define plVertCoder_inc
class hsStream;
class plVertCoder
{
public:
enum {
kPosition,
kWeight,
kUVW,
kNumFloatFields = kUVW + 8
};
protected:
class FloatCode
{
public:
hsScalar fOffset;
hsBool fAllSame;
UInt16 fCount;
};
FloatCode fFloats[kNumFloatFields][3];
class ByteCode
{
public:
UInt16 fCount;
UInt8 fVal;
UInt8 fSame;
};
ByteCode fColors[4];
static UInt32 fCodedVerts;
static UInt32 fCodedBytes;
static UInt32 fRawBytes;
static UInt32 fSkippedBytes;
inline void ICountFloats(const UInt8* src, UInt16 maxCnt, const hsScalar quant, const UInt32 stride, hsScalar& lo, hsBool& allSame, UInt16& count);
inline void IEncodeFloat(hsStream* s, const UInt32 vertsLeft, const int field, const int chan, const UInt8*& src, const UInt32 stride);
inline void IDecodeFloat(hsStream* s, const int field, const int chan, UInt8*& dst, const UInt32 stride);
inline void IEncodeNormal(hsStream* s, const UInt8*& src, const UInt32 stride);
inline void IDecodeNormal(hsStream* s, UInt8*& dst, const UInt32 stride);
inline void ICountBytes(const UInt32 vertsLeft, const UInt8* src, const UInt32 stride, UInt16& len, UInt8& same);
inline void IEncodeByte(hsStream* s, const int chan, const UInt32 vertsLeft, const UInt8*& src, const UInt32 stride);
inline void IDecodeByte(hsStream* s, const int chan, UInt8*& dst, const UInt32 stride);
inline void IEncodeColor(hsStream* s, const UInt32 vertsLeft, const UInt8*& src, const UInt32 stride);
inline void IDecodeColor(hsStream* s, UInt8*& dst, const UInt32 stride);
inline void IEncode(hsStream* s, const UInt32 vertsLeft, const UInt8*& src, const UInt32 stride, const UInt8 format);
inline void IDecode(hsStream* s, UInt8*& dst, const UInt32 stride, const UInt8 format);
public:
plVertCoder();
~plVertCoder();
void Clear();
void Read(hsStream* s, UInt8* dst, const UInt8 format, const UInt32 stride, const UInt16 numVerts);
void Write(hsStream* s, const UInt8* src, const UInt8 format, const UInt32 stride, const UInt16 numVerts);
static void ClearAverage() { fCodedVerts = 0; fCodedBytes = 0; fRawBytes = 0; fSkippedBytes = 0; }
static UInt32 CodedBytes() { return fCodedBytes; }
static UInt32 RawBytes() { return fRawBytes; }
static UInt32 CodedVerts() { return fCodedVerts; }
static float AverageCodedVertSize() { return fCodedVerts ? float(fCodedBytes) / float(fCodedVerts) : 0; }
static float AverageRawVertSize() { return fCodedVerts ? float(fRawBytes) / float(fCodedVerts) : 0; }
static UInt32 SkippedBytes() { return fSkippedBytes; }
static void AddSkippedBytes(UInt32 f) { fSkippedBytes += f; }
};
#endif // plVertCoder_inc