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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 HSAFFINEPARTS_inc
#define HSAFFINEPARTS_inc
#include "hsGeometry3.h"
#include "hsQuat.h"
#include "mat_decomp.h"
class hsAffineParts
{
public:
// Constructors
hsAffineParts(gemAffineParts *); // Convert from Gems struct for now
hsAffineParts();
void Reset();
hsVector3 fT; /* Translation components */
hsQuat fQ; /* Essential rotation */
hsQuat fU; /* Stretch rotation */
hsVector3 fK; /* Stretch factors */
float fF; /* Sign of determinant */
void ComposeMatrix(hsMatrix44 *out) const;
void ComposeInverseMatrix(hsMatrix44 *out) const;
void SetFromInterp(const hsAffineParts &ap1, const hsAffineParts &ap2, float t);
void Read(hsStream *);
void Write(hsStream *);
int operator==(const hsAffineParts& a) const
{ return (fT == a.fT && fQ == a.fQ && fU == a.fU && fK == a.fK && fF == a.fF); }
};
//
// General set macro can also be used for 3DSMax struct
//
#define AP_SET(dst, src) \
{ \
dst.fT.Set(src.t.x, src.t.y, src.t.z); \
dst.fQ.Set(src.q.x, src.q.y, src.q.z, src.q.w); \
dst.fU.Set(src.u.x, src.u.y, src.u.z, src.u.w); \
dst.fK.Set(src.k.x, src.k.y, src.k.z); \
dst.fF = src.f; \
}
#endif