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107 lines
3.6 KiB
107 lines
3.6 KiB
14 years ago
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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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#ifndef plVertCoder_inc
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#define plVertCoder_inc
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class hsStream;
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class plVertCoder
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{
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public:
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enum {
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kPosition,
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kWeight,
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kUVW,
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kNumFloatFields = kUVW + 8
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};
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protected:
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class FloatCode
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{
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public:
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hsScalar fOffset;
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hsBool fAllSame;
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UInt16 fCount;
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};
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FloatCode fFloats[kNumFloatFields][3];
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class ByteCode
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{
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public:
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UInt16 fCount;
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UInt8 fVal;
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UInt8 fSame;
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};
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ByteCode fColors[4];
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static UInt32 fCodedVerts;
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static UInt32 fCodedBytes;
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static UInt32 fRawBytes;
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static UInt32 fSkippedBytes;
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inline void ICountFloats(const UInt8* src, UInt16 maxCnt, const hsScalar quant, const UInt32 stride, hsScalar& lo, hsBool& allSame, UInt16& count);
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inline void IEncodeFloat(hsStream* s, const UInt32 vertsLeft, const int field, const int chan, const UInt8*& src, const UInt32 stride);
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inline void IDecodeFloat(hsStream* s, const int field, const int chan, UInt8*& dst, const UInt32 stride);
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inline void IEncodeNormal(hsStream* s, const UInt8*& src, const UInt32 stride);
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inline void IDecodeNormal(hsStream* s, UInt8*& dst, const UInt32 stride);
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inline void ICountBytes(const UInt32 vertsLeft, const UInt8* src, const UInt32 stride, UInt16& len, UInt8& same);
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inline void IEncodeByte(hsStream* s, const int chan, const UInt32 vertsLeft, const UInt8*& src, const UInt32 stride);
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inline void IDecodeByte(hsStream* s, const int chan, UInt8*& dst, const UInt32 stride);
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inline void IEncodeColor(hsStream* s, const UInt32 vertsLeft, const UInt8*& src, const UInt32 stride);
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inline void IDecodeColor(hsStream* s, UInt8*& dst, const UInt32 stride);
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inline void IEncode(hsStream* s, const UInt32 vertsLeft, const UInt8*& src, const UInt32 stride, const UInt8 format);
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inline void IDecode(hsStream* s, UInt8*& dst, const UInt32 stride, const UInt8 format);
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public:
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plVertCoder();
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~plVertCoder();
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void Clear();
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void Read(hsStream* s, UInt8* dst, const UInt8 format, const UInt32 stride, const UInt16 numVerts);
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void Write(hsStream* s, const UInt8* src, const UInt8 format, const UInt32 stride, const UInt16 numVerts);
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static void ClearAverage() { fCodedVerts = 0; fCodedBytes = 0; fRawBytes = 0; fSkippedBytes = 0; }
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static UInt32 CodedBytes() { return fCodedBytes; }
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static UInt32 RawBytes() { return fRawBytes; }
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static UInt32 CodedVerts() { return fCodedVerts; }
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static float AverageCodedVertSize() { return fCodedVerts ? float(fCodedBytes) / float(fCodedVerts) : 0; }
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static float AverageRawVertSize() { return fCodedVerts ? float(fRawBytes) / float(fCodedVerts) : 0; }
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static UInt32 SkippedBytes() { return fSkippedBytes; }
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static void AddSkippedBytes(UInt32 f) { fSkippedBytes += f; }
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};
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#endif // plVertCoder_inc
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