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