mirror of https://github.com/axmolengine/axmol.git
453 lines
16 KiB
C++
453 lines
16 KiB
C++
/****************************************************************************
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Copyright (C) 2013 Henry van Merode. All rights reserved.
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Copyright (c) 2015-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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https://axis-project.github.io/
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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 "CCPUDynamicAttribute.h"
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#include "base/ccRandom.h"
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#include "platform/CCStdC.h"
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NS_AX_BEGIN
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//-----------------------------------------------------------------------
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PUDynamicAttribute::PUDynamicAttribute() {}
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//-----------------------------------------------------------------------
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PUDynamicAttribute::~PUDynamicAttribute() {}
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//-----------------------------------------------------------------------
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PUDynamicAttribute::DynamicAttributeType PUDynamicAttribute::getType() const
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{
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return _type;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttribute::setType(PUDynamicAttribute::DynamicAttributeType type)
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{
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_type = type;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeFixed::PUDynamicAttributeFixed() : _value(0)
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{
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_type = PUDynamicAttribute::DAT_FIXED;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeFixed::PUDynamicAttributeFixed(const PUDynamicAttributeFixed& dynamicAttributeFixed)
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{
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_type = PUDynamicAttribute::DAT_FIXED;
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_value = dynamicAttributeFixed._value;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeFixed::~PUDynamicAttributeFixed() {}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeFixed::setValue(float value)
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{
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_value = value;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeFixed::getValue(float /*x*/)
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{
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return _value;
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}
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void PUDynamicAttributeFixed::copyAttributesTo(PUDynamicAttribute* dynamicAttribute)
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{
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if (!dynamicAttribute || dynamicAttribute->getType() != PUDynamicAttribute::DAT_FIXED)
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return;
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PUDynamicAttributeFixed* dynAttr = static_cast<PUDynamicAttributeFixed*>(dynamicAttribute);
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dynAttr->_value = _value;
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}
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PUDynamicAttributeFixed* PUDynamicAttributeFixed::clone()
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{
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auto af = new PUDynamicAttributeFixed();
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this->copyAttributesTo(af);
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return af;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeRandom::PUDynamicAttributeRandom() : _min(0), _max(0)
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{
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_type = PUDynamicAttribute::DAT_RANDOM;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeRandom::PUDynamicAttributeRandom(const PUDynamicAttributeRandom& dynamicAttributeRandom)
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{
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_type = PUDynamicAttribute::DAT_RANDOM;
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_min = dynamicAttributeRandom._min;
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_max = dynamicAttributeRandom._max;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeRandom::~PUDynamicAttributeRandom() {}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeRandom::getMin() const
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{
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return _min;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeRandom::setMin(float min)
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{
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_min = min;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeRandom::getMax() const
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{
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return _max;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeRandom::setMax(float max)
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{
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_max = max;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeRandom::setMinMax(float min, float max)
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{
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_min = min;
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_max = max;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeRandom::getValue(float /*x*/)
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{
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return axis::random(_min, _max);
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}
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void PUDynamicAttributeRandom::copyAttributesTo(PUDynamicAttribute* dynamicAttribute)
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{
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if (!dynamicAttribute || dynamicAttribute->getType() != PUDynamicAttribute::DAT_RANDOM)
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return;
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PUDynamicAttributeRandom* dynAttr = static_cast<PUDynamicAttributeRandom*>(dynamicAttribute);
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dynAttr->_min = _min;
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dynAttr->_max = _max;
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}
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PUDynamicAttributeRandom* PUDynamicAttributeRandom::clone()
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{
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auto ar = new PUDynamicAttributeRandom();
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this->copyAttributesTo(ar);
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return ar;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::PUDynamicAttributeCurved() : _range(0), _interpolationType(IT_LINEAR)
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{
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_type = PUDynamicAttribute::DAT_CURVED;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::PUDynamicAttributeCurved(PUInterpolationType interpolationType)
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: _range(0), _interpolationType(interpolationType)
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{
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_type = PUDynamicAttribute::DAT_CURVED;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::PUDynamicAttributeCurved(const PUDynamicAttributeCurved& dynamicAttributeCurved)
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: _range(dynamicAttributeCurved._range)
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, _spline(dynamicAttributeCurved._spline)
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, _interpolationType(dynamicAttributeCurved._interpolationType)
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{
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_type = PUDynamicAttribute::DAT_CURVED;
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// Copy controlpoints
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for (const auto& controlPoint : dynamicAttributeCurved._controlPoints)
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{
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_controlPoints.push_back(controlPoint);
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}
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processControlPoints();
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::~PUDynamicAttributeCurved() {}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeCurved::setInterpolationType(PUInterpolationType interpolationType)
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{
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if (interpolationType != _interpolationType)
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{
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// If switched to another InterpolationType, the already existing ControlPoints will be removed.
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removeAllControlPoints();
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_interpolationType = interpolationType;
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}
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}
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//-----------------------------------------------------------------------
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PUInterpolationType PUDynamicAttributeCurved::getInterpolationType() const
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{
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return _interpolationType;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeCurved::getValue(float x)
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{
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switch (_interpolationType)
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{
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case IT_LINEAR:
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{
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// Search the interval in which 'x' resides and apply linear interpolation
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if (_controlPoints.empty())
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return 0;
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ControlPointList::iterator it1 = findNearestControlPointIterator(x);
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ControlPointList::iterator it2 = it1 + 1;
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if (it2 != _controlPoints.end())
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{
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// Calculate fraction: y = y1 + ((y2 - y1) * (x - x1)/(x2 - x1))
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return (*it1).y + (((*it2).y - (*it1).y) * (x - (*it1).x) / ((*it2).x - (*it1).x));
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}
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else
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{
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return (*it1).y;
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}
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}
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break;
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case IT_SPLINE:
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{
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// Fit using spline
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if (_spline.getNumPoints() < 1)
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return 0;
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float fraction = x / _range;
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return (_spline.interpolate(fraction < 1.0f ? fraction : 1.0f)).y;
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}
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break;
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}
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return 0;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeCurved::addControlPoint(float x, float y)
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{
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_controlPoints.push_back(Vec2(x, y));
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}
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//-----------------------------------------------------------------------
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const PUDynamicAttributeCurved::ControlPointList& PUDynamicAttributeCurved::getControlPoints() const
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{
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return _controlPoints;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeCurved::processControlPoints()
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{
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if (_controlPoints.empty())
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return;
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std::sort(_controlPoints.begin(), _controlPoints.end(), PUControlPointSorter());
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_range = (*getLastValidIterator()).x - (*getFirstValidIterator()).x;
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if (_interpolationType == IT_SPLINE)
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{
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// Add all sorted control points to the spline
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PUDynamicAttributeCurved::ControlPointList::iterator it;
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_spline.clear();
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for (it = _controlPoints.begin(); it != _controlPoints.end(); ++it)
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_spline.addPoint(Vec3((*it).x, (*it).y, 0));
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}
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}
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//-----------------------------------------------------------------------
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size_t PUDynamicAttributeCurved::getNumControlPoints() const
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{
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return _controlPoints.size();
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeCurved::removeAllControlPoints()
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{
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_controlPoints.clear();
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::ControlPointList::iterator PUDynamicAttributeCurved::findNearestControlPointIterator(float x)
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{
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// Assume that the ControlPointList is not empty
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ControlPointList::iterator it;
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ControlPointList::iterator itEnd = _controlPoints.end();
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for (it = _controlPoints.begin(); it != itEnd; ++it)
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{
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if (x < (*it).x)
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{
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if (it == _controlPoints.begin())
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return it;
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else
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return --it;
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}
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}
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// If not found return the last valid iterator
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return --it;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::ControlPointList::iterator PUDynamicAttributeCurved::getFirstValidIterator()
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{
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return _controlPoints.begin();
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::ControlPointList::iterator PUDynamicAttributeCurved::getLastValidIterator()
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{
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return _controlPoints.end() - 1;
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}
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void PUDynamicAttributeCurved::copyAttributesTo(PUDynamicAttribute* dynamicAttribute)
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{
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if (!dynamicAttribute || dynamicAttribute->getType() != PUDynamicAttribute::DAT_CURVED)
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return;
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PUDynamicAttributeCurved* dynAttr = static_cast<PUDynamicAttributeCurved*>(dynamicAttribute);
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dynAttr->_interpolationType = _interpolationType;
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dynAttr->_spline = _spline;
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dynAttr->_range = _range;
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// Copy controlpoints
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PUDynamicAttributeCurved::ControlPointList::const_iterator it; // Need const_iterator here!
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PUDynamicAttributeCurved::ControlPointList::const_iterator itEnd = _controlPoints.end();
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for (it = _controlPoints.begin(); it != itEnd; ++it)
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{
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Vec2 controlPoint = *it;
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dynAttr->_controlPoints.push_back(controlPoint);
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}
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dynAttr->processControlPoints();
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}
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PUDynamicAttributeCurved* PUDynamicAttributeCurved::clone()
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{
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auto ac = new PUDynamicAttributeCurved();
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this->copyAttributesTo(ac);
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return ac;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeOscillate::PUDynamicAttributeOscillate()
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: _oscillationType(PUDynamicAttributeOscillate::OSCT_SINE)
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, _frequency(1.0f)
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, _phase(0.0f)
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, _base(0.0f)
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, _amplitude(1.0f)
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{
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_type = PUDynamicAttribute::DAT_OSCILLATE;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeOscillate::PUDynamicAttributeOscillate(
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const PUDynamicAttributeOscillate& /*dynamicAttributeOscillate*/)
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{
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_type = PUDynamicAttribute::DAT_OSCILLATE;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeOscillate::~PUDynamicAttributeOscillate() {}
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//-----------------------------------------------------------------------
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PUDynamicAttributeOscillate::OscillationType PUDynamicAttributeOscillate::getOscillationType() const
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{
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return _oscillationType;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeOscillate::setOscillationType(PUDynamicAttributeOscillate::OscillationType oscillationType)
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{
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_oscillationType = oscillationType;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeOscillate::getFrequency() const
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{
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return _frequency;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeOscillate::setFrequency(float frequency)
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{
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_frequency = frequency;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeOscillate::getPhase() const
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{
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return _phase;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeOscillate::setPhase(float phase)
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{
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_phase = phase;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeOscillate::getBase() const
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{
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return _base;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeOscillate::setBase(float base)
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{
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_base = base;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeOscillate::getAmplitude() const
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{
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return _amplitude;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeOscillate::setAmplitude(float amplitude)
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{
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_amplitude = amplitude;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeOscillate::getValue(float x)
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{
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switch (_oscillationType)
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{
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case OSCT_SINE:
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{
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return _base + _amplitude * sin(_phase + _frequency * x * M_PI * 2.0f);
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}
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break;
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case OSCT_SQUARE:
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{
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float val = sin(_phase + _frequency * x * M_PI * 2.0f);
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if (std::abs(val) < 0.00001f)
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val = val > 0 ? 1 : -1;
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return _base + _amplitude * val;
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}
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break;
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}
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return 0;
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}
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void PUDynamicAttributeOscillate::copyAttributesTo(PUDynamicAttribute* dynamicAttribute)
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{
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if (!dynamicAttribute || dynamicAttribute->getType() != PUDynamicAttribute::DAT_OSCILLATE)
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return;
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PUDynamicAttributeOscillate* dynAttr = static_cast<PUDynamicAttributeOscillate*>(dynamicAttribute);
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dynAttr->_oscillationType = _oscillationType;
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dynAttr->_frequency = _frequency;
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dynAttr->_phase = _phase;
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dynAttr->_base = _base;
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dynAttr->_amplitude = _amplitude;
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}
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PUDynamicAttributeOscillate* PUDynamicAttributeOscillate::clone()
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{
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auto ao = new PUDynamicAttributeOscillate();
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this->copyAttributesTo(ao);
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return ao;
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}
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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float PUDynamicAttributeHelper::calculate(PUDynamicAttribute* dyn, float x, float defaultValue)
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{
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if (dyn)
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{
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return dyn->getValue(x);
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}
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return defaultValue;
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}
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NS_AX_END
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