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99 lines
4.2 KiB
99 lines
4.2 KiB
4 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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Additional permissions under GNU GPL version 3 section 7
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If you modify this Program, or any covered work, by linking or
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
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(or a modified version of those libraries),
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
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licensors of this Program grant you additional
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permission to convey the resulting work. Corresponding Source for a
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non-source form of such a combination shall include the source code for
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
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work.
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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 HSINTERP_inc
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#define HSINTERP_inc
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#include "HeadSpin.h"
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#include "hsKeys.h"
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///////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////
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//
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// Performs interpolation of keyframes & values.
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// t param should be 0-1
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//
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struct hsColorRGBA;
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class hsAffineParts;
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class hsInterp
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{
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public:
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enum IgnoreFlags
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{
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kIgnoreAlpha = 0x1,
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kIgnoreLastMatRow = 0x2,
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kIgnorePartsPos = 0x4,
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kIgnorePartsRot = 0x8,
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kIgnorePartsScale = 0x10, // result gets no scale
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kIgnorePartsDet = 0x20,
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kPreservePartsScale = 0x40 // result gets the scale of key1
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};
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static void BezScalarEval(const hsScalar value1, const hsScalar outTan,
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const hsScalar value2, const hsScalar inTan,
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const hsScalar t, const hsScalar scale, hsScalar *result);
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static void BezInterp(const hsBezPoint3Key *k1, const hsBezPoint3Key *k2, const hsScalar t, hsScalarTriple *result);
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static void BezInterp(const hsBezScalarKey *k1, const hsBezScalarKey *k2, const hsScalar t, hsScalar *result);
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static void BezInterp(const hsBezScaleKey *k1, const hsBezScaleKey *k2, const hsScalar t, hsScaleValue *result);
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// simple linear interpolation
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static void LinInterp(const hsScalar k1, const hsScalar k2, const hsScalar t, hsScalar *result);
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static void LinInterp(const hsScalarTriple *k1, const hsScalarTriple *k2, const hsScalar t, hsScalarTriple *result);
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static void LinInterp(const hsColorRGBA *k1, const hsColorRGBA *k2, const hsScalar t, hsColorRGBA *result, UInt32 ignoreFlags=0);
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static void LinInterp(const hsMatrix33 *k1, const hsMatrix33 *k2, const hsScalar t, hsMatrix33 *result, UInt32 ignoreFlags=0);
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static void LinInterp(const hsMatrix44 *mat1, const hsMatrix44 *mat2, const hsScalar t, hsMatrix44 *out, UInt32 ignoreFlags=0);
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static void LinInterp(const hsQuat *k1, const hsQuat *k2, const hsScalar t, hsQuat *result);
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static void LinInterp(const hsScaleValue *k1, const hsScaleValue *k2, const hsScalar t, hsScaleValue *result);
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static void LinInterp(const hsAffineParts *k1, const hsAffineParts *k2, const hsScalar t, hsAffineParts *result, UInt32 ignoreFlags=0);
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// Given a time value, find the enclosing keyframes and normalize time (0-1)
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static void GetBoundaryKeyFrames(hsScalar time, UInt32 numKeys, void *keys,
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UInt32 keySize, hsKeyFrame **kF1, hsKeyFrame **kF2, UInt32 *lastKeyIdx, hsScalar *p, hsBool forwards);
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};
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#define MAX_FRAMES_PER_SEC 30.0f
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#define MAX_TICKS_PER_FRAME 160.0f
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#define MAX_TICKS_PER_SEC (MAX_TICKS_PER_FRAME*MAX_FRAMES_PER_SEC)
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#endif // #ifndef HSINTERP_inc
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