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82 lines
3.6 KiB
82 lines
3.6 KiB
/*==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 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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