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Engine directory for ticket #1
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309
Engine/source/T3D/lightAnimData.cpp
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309
Engine/source/T3D/lightAnimData.cpp
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//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#include "platform/platform.h"
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#include "lightAnimData.h"
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#include "console/consoleTypes.h"
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#include "T3D/lightBase.h"
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#include "math/mRandom.h"
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#include "math/mathIO.h"
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#include "T3D/gameBase/processList.h"
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#include "core/stream/bitStream.h"
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LightAnimData::LightAnimData()
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{
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}
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LightAnimData::~LightAnimData()
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{
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}
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IMPLEMENT_CO_DATABLOCK_V1( LightAnimData );
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ConsoleDocClass( LightAnimData,
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"@brief A datablock which defines and performs light animation, such as rotation, brightness fade, and colorization.\n\n"
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"@tsexample\n"
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"datablock LightAnimData( SubtlePulseLightAnim )\n"
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"{\n"
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" brightnessA = 0.5;\n"
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" brightnessZ = 1;\n"
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" brightnessPeriod = 1;\n"
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" brightnessKeys = \"aza\";\n"
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" brightnessSmooth = true;\n"
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"};\n"
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"@endtsexample\n\n"
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"@see LightBase\n\n"
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"@see LightDescription\n\n"
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"@ingroup FX\n"
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"@ingroup Lighting\n"
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);
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void LightAnimData::initPersistFields()
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{
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addGroup( "Offset",
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"The XYZ translation animation state relative to the light position." );
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addField( "offsetA", TypeF32, Offset( mOffset.value1, LightAnimData ), 3,
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"The value of the A key in the keyframe sequence." );
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addField( "offsetZ", TypeF32, Offset( mOffset.value2, LightAnimData ), 3,
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"The value of the Z key in the keyframe sequence." );
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addField( "offsetPeriod", TypeF32, Offset( mOffset.period, LightAnimData ), 3,
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"The animation time for keyframe sequence." );
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addField( "offsetKeys", TypeString, Offset( mOffset.keys, LightAnimData ), 3,
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"The keyframe sequence encoded into a string where characters from A to Z define "
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"a position between the two animation values." );
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addField( "offsetSmooth", TypeBool, Offset( mOffset.smooth, LightAnimData ), 3,
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"If true the transition between keyframes will be smooth." );
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endGroup( "Offset" );
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addGroup( "Rotation",
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"The XYZ rotation animation state relative to the light orientation." );
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addField( "rotA", TypeF32, Offset( mRot.value1, LightAnimData ), 3,
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"The value of the A key in the keyframe sequence." );
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addField( "rotZ", TypeF32, Offset( mRot.value2, LightAnimData ), 3,
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"The value of the Z key in the keyframe sequence." );
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addField( "rotPeriod", TypeF32, Offset( mRot.period, LightAnimData ), 3,
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"The animation time for keyframe sequence." );
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addField( "rotKeys", TypeString, Offset( mRot.keys, LightAnimData ), 3,
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"The keyframe sequence encoded into a string where characters from A to Z define "
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"a position between the two animation values." );
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addField( "rotSmooth", TypeBool, Offset( mRot.smooth, LightAnimData ), 3,
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"If true the transition between keyframes will be smooth." );
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endGroup( "Rotation" );
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addGroup( "Color",
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"The RGB color animation state." );
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addField( "colorA", TypeF32, Offset( mColor.value1, LightAnimData ), 3,
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"The value of the A key in the keyframe sequence." );
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addField( "colorZ", TypeF32, Offset( mColor.value2, LightAnimData ), 3,
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"The value of the Z key in the keyframe sequence." );
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addField( "colorPeriod", TypeF32, Offset( mColor.period, LightAnimData ), 3,
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"The animation time for keyframe sequence." );
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addField( "colorKeys", TypeString, Offset( mColor.keys, LightAnimData ), 3,
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"The keyframe sequence encoded into a string where characters from A to Z define "
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"a position between the two animation values." );
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addField( "colorSmooth", TypeBool, Offset( mColor.smooth, LightAnimData ), 3,
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"If true the transition between keyframes will be smooth." );
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endGroup( "Color" );
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addGroup( "Brightness",
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"The brightness animation state." );
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addField( "brightnessA", TypeF32, Offset( mBrightness.value1, LightAnimData ),
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"The value of the A key in the keyframe sequence." );
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addField( "brightnessZ", TypeF32, Offset( mBrightness.value2, LightAnimData ),
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"The value of the Z key in the keyframe sequence." );
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addField( "brightnessPeriod", TypeF32, Offset( mBrightness.period, LightAnimData ),
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"The animation time for keyframe sequence." );
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addField( "brightnessKeys", TypeString, Offset( mBrightness.keys, LightAnimData ),
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"The keyframe sequence encoded into a string where characters from A to Z define "
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"a position between the two animation values." );
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addField( "brightnessSmooth", TypeBool, Offset( mBrightness.smooth, LightAnimData ),
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"If true the transition between keyframes will be smooth." );
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endGroup( "Brightness" );
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Parent::initPersistFields();
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}
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bool LightAnimData::preload( bool server, String &errorStr )
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{
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if ( !Parent::preload( server, errorStr ) )
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return false;
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_updateKeys();
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return true;
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}
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void LightAnimData::inspectPostApply()
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{
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Parent::inspectPostApply();
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_updateKeys();
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}
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void LightAnimData::_updateKeys()
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{
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mOffset.updateKey();
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mRot.updateKey();
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mColor.updateKey();
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mBrightness.updateKey();
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}
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template<U32 COUNT>
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void LightAnimData::AnimValue<COUNT>::updateKey()
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{
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for ( U32 i=0; i < COUNT; i++ )
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{
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timeScale[i] = 0.0f;
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keyLen[i] = 0.0f;
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if ( keys[i] && keys[i][0] && period[i] > 0.0f )
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{
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keyLen[i] = dStrlen( keys[i] );
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timeScale[i] = (F32)( keyLen[i] - 1 ) / period[i];
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}
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}
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}
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template<U32 COUNT>
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bool LightAnimData::AnimValue<COUNT>::animate( F32 time, F32 *output )
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{
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F32 scaledTime, lerpFactor, valueRange, keyFrameLerp;
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U32 posFrom, posTo;
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S32 keyFrameFrom, keyFrameTo;
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bool wasAnimated = false;
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for ( U32 i=0; i < COUNT; i++ )
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{
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if ( mIsZero( timeScale[i] ) )
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continue;
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wasAnimated = true;
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scaledTime = mFmod( time, period[i] ) * timeScale[i];
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posFrom = mFloor( scaledTime );
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posTo = mCeil( scaledTime );
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keyFrameFrom = dToupper( keys[i][posFrom] ) - 65;
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keyFrameTo = dToupper( keys[i][posTo] ) - 65;
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valueRange = ( value2[i] - value1[i] ) / 25.0f;
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if ( !smooth[i] )
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output[i] = value1[i] + ( keyFrameFrom * valueRange );
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else
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{
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lerpFactor = scaledTime - posFrom;
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keyFrameLerp = ( keyFrameTo - keyFrameFrom ) * lerpFactor;
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output[i] = value1[i] + ( ( keyFrameFrom + keyFrameLerp ) * valueRange );
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}
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}
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return wasAnimated;
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}
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template<U32 COUNT>
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void LightAnimData::AnimValue<COUNT>::write( BitStream *stream ) const
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{
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for ( U32 i=0; i < COUNT; i++ )
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{
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stream->write( value1[i] );
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stream->write( value2[i] );
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stream->write( period[i] );
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stream->writeString( keys[i] );
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}
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}
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template<U32 COUNT>
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void LightAnimData::AnimValue<COUNT>::read( BitStream *stream )
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{
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for ( U32 i=0; i < COUNT; i++ )
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{
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stream->read( &value1[i] );
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stream->read( &value2[i] );
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stream->read( &period[i] );
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keys[i] = stream->readSTString();
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}
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}
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void LightAnimData::packData( BitStream *stream )
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{
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Parent::packData( stream );
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mOffset.write( stream );
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mRot.write( stream );
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mColor.write( stream );
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mBrightness.write( stream );
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}
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void LightAnimData::unpackData( BitStream *stream )
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{
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Parent::unpackData( stream );
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mOffset.read( stream );
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mRot.read( stream );
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mColor.read( stream );
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mBrightness.read( stream );
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}
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void LightAnimData::animate( LightInfo *lightInfo, LightAnimState *state )
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{
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PROFILE_SCOPE( LightAnimData_animate );
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// Calculate the input time for animation.
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F32 time = state->animationPhase +
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( (F32)Sim::getCurrentTime() * 0.001f ) /
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state->animationPeriod;
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MatrixF transform( state->transform );
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EulerF euler( Point3F::Zero );
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if ( mRot.animate( time, euler ) )
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{
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euler.x = mDegToRad( euler.x );
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euler.y = mDegToRad( euler.y );
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euler.z = mDegToRad( euler.z );
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MatrixF rot( euler );
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transform.mul( rot );
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}
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Point3F offset( Point3F::Zero );
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if ( mOffset.animate( time, offset ) )
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transform.displace( offset );
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lightInfo->setTransform( transform );
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ColorF color = state->color;
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mColor.animate( time, color );
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lightInfo->setColor( color );
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F32 brightness = state->brightness;
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mBrightness.animate( time, &brightness );
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lightInfo->setBrightness( brightness );
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}
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