191 lines
7.3 KiB
C++
191 lines
7.3 KiB
C++
/****************************************************************************
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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 "particleColorAffector.h"
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#include "particles/particleaffector.h"
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#include "particles/particle.h"
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#include "graphicsystem/Material/Material.h"
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#include "particles/particleemitter.h"
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#include "particles/particlesystem.h"
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namespace Particles
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{
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using namespace Math;
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__ImplementClass(Particles::ColorAffector, CPFCC::AFFECTOR_COLOR, Particles::ParticleAffector);
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const ColorAffector::ColorOperation ColorAffector::DEFAULT_COLOR_OPERATION = ColorAffector::CAO_SET;
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//-----------------------------------------------------------------------
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ColorAffector::ColorAffector(void) : ParticleAffector(),mMinAlpha(0.0f),mMaxAlpha(1.0f),mTimeAlpha(false)
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, mColorCtlType(CCT_GRADCURVE)
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{
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mMinMaxColorA.SetCurveState(Math::MinMaxCurve::Scalar);
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mMinMaxColorR.SetCurveState(Math::MinMaxCurve::Scalar);
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mMinMaxColorG.SetCurveState(Math::MinMaxCurve::Scalar);
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mMinMaxColorB.SetCurveState(Math::MinMaxCurve::Scalar);
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mName = "ColorAffector";
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Util::Array<Math::float2> _list;
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Util::Array<bool> _type;
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_list.Append(Math::float2(0,1));
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_type.Append(true);
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_type.Append(true);
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mMinMaxColorA.SetCurveFromArray(_list,_type,_list,_type);
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_list.Clear();
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_list.Append(Math::float2(0,0.5));
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mMinMaxColorB.SetCurveFromArray(_list,_type,_list,_type);
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mMinMaxColorG.SetCurveFromArray(_list,_type,_list,_type);
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mMinMaxColorR.SetCurveFromArray(_list,_type,_list,_type);
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mMinMaxColorR.SetRandomScalar(Math::float2(0.5f,0.5f));
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mMinMaxColorG.SetRandomScalar(Math::float2(0.5f,0.5f));
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mMinMaxColorB.SetRandomScalar(Math::float2(0.5f,0.5f));
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mMinMaxColorA.SetRandomScalar(Math::float2(1.0f,1.0f));
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}
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//-----------------------------------------------------------------------
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void ColorAffector::_affect(Particle* particle)
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{
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if(!GetEnable())
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return;
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Math::Color32 clr;
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float percent = (particle->mTotalTimeToLive - particle->mTimeToLive)/particle->mTotalTimeToLive;
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float randomSid = Math::n_rand(0.0f,1.0f);
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clr.r = Math::n_scalartoByte(mMinMaxColorR.Calculate(percent,randomSid));
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clr.g = Math::n_scalartoByte(mMinMaxColorG.Calculate(percent,randomSid));
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clr.b = Math::n_scalartoByte(mMinMaxColorB.Calculate(percent,randomSid)) ;
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clr.a = Math::n_scalartoByte(mMinMaxColorA.Calculate(percent,randomSid));
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particle->mColor = clr;
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}
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//------------------------------------------------------------------------
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void ColorAffector::_preProcessParticles(void)
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{
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}
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//-------------------------------------------------------------------------------
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void ColorAffector::SetShaderParam()
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{
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Graphic::GlobalMaterialParam* pGMP = Graphic::Material::GetGlobalMaterialParams();
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pGMP->SetVectorParam(Graphic::eGShaderParticleColor,mShaderParam);
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}
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void ColorAffector::InitShaderParam()
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{
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float randomSid = Math::n_rand(0.0f,1.0f);
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mShaderParam.x() = mMinMaxColorR.Calculate(0,randomSid);
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mShaderParam.y() = mMinMaxColorG.Calculate(0,randomSid);
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mShaderParam.z() = mMinMaxColorB.Calculate(0,randomSid);
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mShaderParam.w() = mMinMaxColorA.Calculate(0,randomSid);
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}
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//--------------------------------------------------------------------------------
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void ColorAffector::SetShaderMask(const GPtr<ShaderProgramCompiler::ShaderMarcro>& pMarcro)
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{
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if(!GetEnable())
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return;
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pMarcro->TurnOn(ShaderProgramCompiler::ShaderMarcro::m_sParticleColor);
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}
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//--------------------------------------------------------------------------------
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Math::MinMaxCurve* ColorAffector::getMinMaxCurve(ParticleCurveType pct)
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{
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switch(pct)
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{
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case Affector_ColorR:
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return &mMinMaxColorR;
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case Affector_ColorG:
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return &mMinMaxColorG;
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case Affector_ColorB:
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return &mMinMaxColorB;
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case Affector_ColorA:
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return &mMinMaxColorA;
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default:
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return Super::getMinMaxCurve(pct);
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}
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}
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//---------------------------------------------------------------------------------
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void ColorAffector::SwitchParticleType(bool _isMobile)
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{
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if(_isMobile)
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{
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mShaderParam.x() = mMinMaxColorR.Calculate(1);
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mShaderParam.y() = mMinMaxColorG.Calculate(1);
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mShaderParam.z() = mMinMaxColorB.Calculate(1);
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mShaderParam.w() = mMinMaxColorA.Calculate(1);
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Math::MinMaxCurve* curve = mParentSystem->GetEmitter()->getMinMaxCurve(Emitter_ColorA);
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curve->SetCurveState(MinMaxCurve::Scalar);
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curve->SetScalar(mMinMaxColorA.Calculate(0));
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curve = mParentSystem->GetEmitter()->getMinMaxCurve(Emitter_ColorB);
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curve->SetCurveState(MinMaxCurve::Scalar);
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curve->SetScalar(mMinMaxColorB.Calculate(0));
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curve = mParentSystem->GetEmitter()->getMinMaxCurve(Emitter_ColorG);
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curve->SetCurveState(MinMaxCurve::Scalar);
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curve->SetScalar(mMinMaxColorG.Calculate(0));
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curve = mParentSystem->GetEmitter()->getMinMaxCurve(Emitter_ColorR);
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curve->SetCurveState(MinMaxCurve::Scalar);
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curve->SetScalar(mMinMaxColorR.Calculate(0));
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return;
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}
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mMinMaxColorA.SetCurveState(MinMaxCurve::Curve);
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mMinMaxColorR.SetCurveState(MinMaxCurve::Curve);
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mMinMaxColorG.SetCurveState(MinMaxCurve::Curve);
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mMinMaxColorB.SetCurveState(MinMaxCurve::Curve);
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Util::Array<Math::float2> _list;
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Util::Array<bool> _type;
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Math::MinMaxCurve* curve = mParentSystem->GetEmitter()->getMinMaxCurve(Emitter_ColorA);
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_list.Append(Math::float2(0,curve->Calculate(0)));
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_type.Append(true);
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_type.Append(true);
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_list.Append(Math::float2(1,mMinMaxColorA.Calculate(0)));
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mMinMaxColorA.SetCurveFromArray(_list,_type,_list,_type);
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curve = mParentSystem->GetEmitter()->getMinMaxCurve(Emitter_ColorR);
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_list.Clear();
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_list.Append(Math::float2(0,curve->Calculate(0)));
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_list.Append(Math::float2(1,mMinMaxColorR.Calculate(0)));
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mMinMaxColorR.SetCurveFromArray(_list,_type,_list,_type);
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curve = mParentSystem->GetEmitter()->getMinMaxCurve(Emitter_ColorG);
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_list.Clear();
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_list.Append(Math::float2(0,curve->Calculate(0)));
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_list.Append(Math::float2(1,mMinMaxColorG.Calculate(0)));
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mMinMaxColorG.SetCurveFromArray(_list,_type,_list,_type);
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curve = mParentSystem->GetEmitter()->getMinMaxCurve(Emitter_ColorB);
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_list.Clear();
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_list.Append(Math::float2(0,curve->Calculate(0)));
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_list.Append(Math::float2(1,mMinMaxColorB.Calculate(0)));
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mMinMaxColorB.SetCurveFromArray(_list,_type,_list,_type);
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}
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}
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