326 lines
9.9 KiB
C++
326 lines
9.9 KiB
C++
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/****************************************************************************
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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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 deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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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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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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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 FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "stdneb.h"
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#include "MinMaxCurve.h"
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namespace Math
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{
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MinMaxCurve::MinMaxCurve(CurveState curveState):
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mMinScalar(0.0f),
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mMaxScalar(1.0f),
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mCurveState(curveState),
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mMaxY(0)
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{
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mMinCurve.AddPolyKeyFrame(FloatKeyFrame(0.0f, 0.0f));
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mMaxCurve.AddPolyKeyFrame(FloatKeyFrame(0.0f, 1.0f));
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}
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float MinMaxCurve::Calculate(float time,float randomValue)
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{
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float ans = 0.0f;
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switch(mCurveState)
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{
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case Scalar:
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ans = mMinScalar;
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break;
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case RandomScalar:
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ans = n_lerp(mMinScalar,mMaxScalar,randomValue);
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break;
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case Curve:
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ans = mMinCurve.EvaluatePolyCurveFloat(time).GetValue();
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break;
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case TwoCurves:
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ans = n_lerp(mMinCurve.EvaluatePolyCurveFloat(time).GetValue(),
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mMaxCurve.EvaluatePolyCurveFloat(time).GetValue(),randomValue);
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break;
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}
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return ans;
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}
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void MinMaxCurve::SetCurveState(CurveState state)
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{
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if( (Scalar == mCurveState || RandomScalar == mCurveState)
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&& Curve == state )
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{
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//clear the curve data
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mMinCurve.ClearFrames();
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mMinCurve.ClearFrameCache();
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mMinCurve.ClearFrameLevers();
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mMinCurve.AddPolyKeyFrame( FloatKeyFrame(0.0f, mMinScalar) );
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}
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else if ( RandomScalar == mCurveState
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&& TwoCurves == state )
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{
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//clear the curve data
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mMinCurve.ClearFrames();
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mMinCurve.ClearFrameCache();
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mMinCurve.ClearFrameLevers();
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mMinCurve.AddPolyKeyFrame( FloatKeyFrame(0.0f, mMinScalar) );
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mMaxCurve.ClearFrames();
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mMaxCurve.ClearFrameCache();
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mMaxCurve.ClearFrameLevers();
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mMaxCurve.AddPolyKeyFrame( FloatKeyFrame(0.0f, mMaxScalar) );
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}
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else if (Scalar == mCurveState
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&& TwoCurves == state )
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{
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mMinCurve.ClearFrames();
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mMinCurve.ClearFrameCache();
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mMinCurve.ClearFrameLevers();
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mMinCurve.AddPolyKeyFrame( FloatKeyFrame(0.0f, mMinScalar) );
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}
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else if ( ( mCurveState == Curve || mCurveState == TwoCurves )
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&& RandomScalar == state )
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{
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if (!mMinCurve.IsEmpty())
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{
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mMinScalar = mMinCurve.EvaluatePolyCurveFloat(0.0f).GetValue();
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mMinCurve.ClearFrames();
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mMinCurve.ClearFrameCache();
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mMinCurve.ClearFrameLevers();
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mMinCurve.AddPolyKeyFrame( FloatKeyFrame(0.0f, mMinScalar) );
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}
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if (!mMaxCurve.IsEmpty())
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{
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mMaxScalar = mMaxCurve.EvaluatePolyCurveFloat(0.0f).GetValue();
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mMaxCurve.ClearFrames();
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mMaxCurve.ClearFrameCache();
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mMaxCurve.ClearFrameLevers();
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mMaxCurve.AddPolyKeyFrame( FloatKeyFrame(0.0f, mMaxScalar) );
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}
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}
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else if (( mCurveState == Curve || mCurveState == TwoCurves )
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&& Scalar == state )
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{
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if (!mMinCurve.IsEmpty())
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{
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mMinScalar = mMinCurve.EvaluatePolyCurveFloat(0.0f).GetValue();
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mMinCurve.ClearFrames();
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mMinCurve.ClearFrameCache();
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mMinCurve.ClearFrameLevers();
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mMinCurve.AddPolyKeyFrame( FloatKeyFrame(0.0f, mMinScalar) );
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}
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}
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mCurveState = state;
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}
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void MinMaxCurve::CopyFrom(const MinMaxCurve& source)
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{
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this->mMinScalar = source.mMinScalar;
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this->mMaxScalar = source.mMaxScalar;
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this->mCurveState = source.mCurveState;
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this->mMinCurve = source.mMinCurve;
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this->mMaxCurve = source.mMaxCurve;
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}
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void MinMaxCurve::GetArrayFromCurve(Util::Array<float2>& _list,Util::Array<bool>& _curveTypes) const
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{
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_getCurve(mMinCurve,_list,_curveTypes);
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}
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void MinMaxCurve::SetCurveFromArray(const Util::Array<float2>& _list,const Util::Array<bool>& _curveTypes)
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{
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_setCurve(mMinCurve,_list,_curveTypes);
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}
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void MinMaxCurve::GetArrayFromCurve(Util::Array<float2>& _list1,Util::Array<bool>& _curveTypes1, Util::Array<float2>& _list2,Util::Array<bool>& _curveTypes2) const
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{
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_getCurve(mMinCurve,_list1,_curveTypes1);
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_getCurve(mMaxCurve,_list2,_curveTypes2);
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}
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void MinMaxCurve::SetCurveFromArray(const Util::Array<float2>& _list1, const Util::Array<bool>& _curveTypes1, const Util::Array<float2>& _list2, const Util::Array<bool>& _curveTypes2)
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{
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_setCurve(mMinCurve,_list1,_curveTypes1);
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_setCurve(mMaxCurve,_list2,_curveTypes2);
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}
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void MinMaxCurve::Clear()
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{
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mMinCurve.ClearCurveTypes();
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mMinCurve.ClearFrameCache();
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mMinCurve.ClearFrameLevers();
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mMinCurve.ClearFrames();
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mMaxCurve.ClearCurveTypes();
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mMaxCurve.ClearFrameCache();
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mMaxCurve.ClearFrameLevers();
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mMaxCurve.ClearFrames();
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}
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void MinMaxCurve::SetMaxY(float Value)
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{
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mMaxY = Value;
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if(Curve != mCurveState && TwoCurves != mCurveState)
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return;
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SizeT count = mMinCurve.GetKeyFrameCount();
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for (IndexT i = 0; i < count; i++)
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{
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FloatKeyFrame key = mMinCurve.GetKeyFrame(i);
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if(key.GetValue() > mMaxY)
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{
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mMinCurve.RemoveKeyFrame(i);
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key.SetValue(mMaxY);
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mMinCurve.AddKeyFrame(key);
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}
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}
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count = mMinCurve.GetFrameLeversCount();
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for(IndexT i=0;i<count;i++)
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{
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FloatKeyFrame leftkey = mMinCurve.GetLeftLever(i);
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FloatKeyFrame rightkey = mMinCurve.GetRightLever(i);
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if(leftkey.GetValue() > mMaxY || rightkey.GetValue() > mMaxY)
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{
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mMinCurve.RemoveFrameLevers(i);
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if(leftkey.GetValue() > mMaxY)
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leftkey.SetValue(mMaxY);
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if(rightkey.GetValue() > mMaxY)
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rightkey.SetValue(mMaxY);
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mMinCurve.AddFrameLever(leftkey,rightkey);
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}
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}
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if(TwoCurves != mCurveState)
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return;
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count = mMaxCurve.GetKeyFrameCount();
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for (IndexT i = 0; i < count; i++)
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{
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FloatKeyFrame key = mMaxCurve.GetKeyFrame(i);
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if(key.GetValue() > mMaxY)
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{
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mMaxCurve.RemoveKeyFrame(i);
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key.SetValue(mMaxY);
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mMaxCurve.AddKeyFrame(key);
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}
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}
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count = mMaxCurve.GetFrameLeversCount();
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for (IndexT i = 0; i < count; i++)
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{
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FloatKeyFrame leftkey = mMaxCurve.GetLeftLever(i);
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FloatKeyFrame rightkey = mMaxCurve.GetRightLever(i);
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if(leftkey.GetValue() > mMaxY || rightkey.GetValue() > mMaxY)
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{
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mMaxCurve.RemoveFrameLevers(i);
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if(leftkey.GetValue() > mMaxY)
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leftkey.SetValue(mMaxY);
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if(rightkey.GetValue() > mMaxY)
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rightkey.SetValue(mMaxY);
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mMaxCurve.AddFrameLever(leftkey,rightkey);
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}
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}
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}
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//--------------------------------------------------------------------------------
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void MinMaxCurve::_setCurve(FloatPolyCurve& curve, const Util::Array<float2>& _list, const Util::Array<bool>& _curveTypes)
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{
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//n_assert(_list.Size > 2);
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curve.ClearFrames();
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curve.ClearFrameCache();
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curve.ClearFrameLevers();
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curve.ClearCurveTypes();
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// make sure the keys and levers are symmetrical
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// |/ |/ |
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// O~~O~~O
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// | /| / |
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SizeT count = (_list.Size() + 2 ) /3 - 1;
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if (count < 0 )
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{
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return;
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}
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SizeT typeCount = _curveTypes.Size();
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for (IndexT Idx = 0; Idx < count ; Idx++)
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{
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bool leftLinner = true;
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bool rightLinner = true;
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int curIdx = Idx * 3;
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if(typeCount > 2*Idx + 1 )
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{
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leftLinner = _curveTypes[2*Idx];
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rightLinner = _curveTypes[2*Idx+1];
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}
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curve.AddPolyKeyFrame(FloatKeyFrame ( _list[curIdx].x(), _list[curIdx].y()),leftLinner,rightLinner);
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float time = _list[curIdx+1].x();
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float value = _list[curIdx+1].y();
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if(typeCount > 2*Idx+1 && _curveTypes[2*Idx+1]) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Linner<65><72><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD>֮һ<D6AE><D2BB><EFBFBD><EFBFBD>;
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{
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time = _list[curIdx].x() + (_list[curIdx+3].x() - _list[curIdx].x()) / 3.0f;
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value = _list[curIdx].y() + (_list[curIdx+3].y() - _list[curIdx].y()) / 3.0f;
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}
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curve.AddLeftLever(Idx , FloatKeyFrame ( time,value) );
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time = _list[curIdx+2].x();
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value = _list[curIdx+2].y();
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if(typeCount > 2*Idx+2 && _curveTypes[2*Idx+2] ) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Linner<65><72><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><D6AE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
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{
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time = _list[curIdx+3].x() - (_list[curIdx+3].x() - _list[curIdx].x()) / 3.0f;
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value = _list[curIdx+3].y() - (_list[curIdx+3].y() - _list[curIdx].y()) / 3.0f;
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}
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curve.AddRightLever(Idx , FloatKeyFrame (time,value) );
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}
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bool leftLinner = true;
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bool rightLinner = true;
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if(typeCount > 2*count + 1 && 0 <= 2*count)
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{
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leftLinner = _curveTypes[2*count];
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rightLinner = _curveTypes[2*count+1];
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}
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curve.AddPolyKeyFrame(FloatKeyFrame ( _list[count * 3].x(), _list[count * 3].y()) ,leftLinner,rightLinner);
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}
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//--------------------------------------------------------------------------------
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void MinMaxCurve::_getCurve(const FloatPolyCurve& curve, Util::Array<float2>& _list,Util::Array<bool>& _curveTypes) const
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{
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_list.Clear();
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_curveTypes.Clear();
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SizeT count = curve.GetKeyFrameCount();
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SizeT nLevCnt = curve.GetFrameLeversCount();
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for (IndexT i = 0; i < count; i++)
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{
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FloatKeyFrame key = curve.GetKeyFrame(i);
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float2 tKF(key.GetTime(), key.GetValue());
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_list.Append(tKF);
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_curveTypes.Append(curve.GetLeftCurveType(i));
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_curveTypes.Append(curve.GetRightCurveType(i));
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if (i < nLevCnt)
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{
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FloatPolyCurve::FrameLever lever = curve.GetFrameLever(i);
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float2 leftLever(lever._left.GetTime(), lever._left.GetValue());
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float2 rightLever(lever._right.GetTime(), lever._right.GetValue());
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_list.Append(leftLever);
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_list.Append(rightLever);
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}
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}
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}
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}
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