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Documentation                       Search   animated_value.h Go to the documentation of this file. /* Copyright, 2001 Nevrax Ltd. * * This file is part of NEVRAX NEL. * NEVRAX NEL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * NEVRAX NEL is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * You should have received a copy of the GNU General Public License * along with NEVRAX NEL; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. */ #ifndef NL_ANIMATED_VALUE_H #define NL_ANIMATED_VALUE_H #include "nel/misc/types_nl.h" #include "nel/misc/vector.h" #include "nel/misc/quat.h" #include "nel/misc/rgba.h" namespace NL3D { class IAnimatedValue { public: virtual void blend (const IAnimatedValue& value, float blendFactor) =0; virtual void affect (const IAnimatedValue& value) =0; }; template<class T> class CAnimatedValueBlendable : public IAnimatedValue { public: // NOT TESTED, JUST COMPILED. FOR PURPOSE ONLY. virtual void blend (const IAnimatedValue& value, float blendFactor) { // Check types of value nlassert (typeid (value)==typeid(*this)); // Cast CAnimatedValueBlendable<T> *pValue=(CAnimatedValueBlendable<T>*)&value; // Blend Value=(T) (Value*blendFactor+pValue->Value*(1.f-blendFactor)); } virtual void affect (const IAnimatedValue& value) { // Check types of value nlassert (typeid (value)==typeid(*this)); // Cast CAnimatedValueBlendable<T> *pValue=(CAnimatedValueBlendable<T>*)&value; // Blend Value=pValue->Value; } // The value read and write T Value; }; class CAnimatedValueBlendable<NLMISC::CQuat> : public IAnimatedValue { public: virtual void blend (const IAnimatedValue& value, float blendFactor) { // Check types of value nlassert (typeid (value)==typeid(*this)); // Cast. CAnimatedValueBlendable<NLMISC::CQuat> *pValue=(CAnimatedValueBlendable<NLMISC::CQuat>*)&value; // blend. // Yoyo: no makeClosest is done, because the result seems to be better when done // before: for all blend values, and not one after one. Value= NLMISC::CQuat::slerp(Value, pValue->Value, 1-blendFactor); } virtual void affect (const IAnimatedValue& value) { // Check types of value nlassert (typeid (value)==typeid(*this)); // Cast CAnimatedValueBlendable<NLMISC::CQuat> *pValue=(CAnimatedValueBlendable<NLMISC::CQuat>*)&value; // Blend Value=pValue->Value; } // The value NLMISC::CQuat Value; }; class CAnimatedValueBlendable<NLMISC::CRGBA> : public IAnimatedValue { public: virtual void blend (const IAnimatedValue& value, float blendFactor) { // Check types of value nlassert (typeid (value)==typeid(*this)); // Cast. CAnimatedValueBlendable<NLMISC::CRGBA> *pValue=(CAnimatedValueBlendable<NLMISC::CRGBA>*)&value; // blend. Value.blendFromui (pValue->Value, this->Value, (uint)(255.f*blendFactor)); } virtual void affect (const IAnimatedValue& value) { // Check types of value nlassert (typeid (value)==typeid(*this)); // Cast CAnimatedValueBlendable<NLMISC::CRGBA> *pValue=(CAnimatedValueBlendable<NLMISC::CRGBA>*)&value; // Blend Value=pValue->Value; } // The value NLMISC::CRGBA Value; }; template<class T> class CAnimatedValueNotBlendable : public IAnimatedValue { public: virtual void blend (const IAnimatedValue& value, float blendFactor) { // Check types of value nlassert (typeid (value)==typeid(*this)); // Cast CAnimatedValueNotBlendable<T> *pValue=(CAnimatedValueNotBlendable<T>*)&value; // Boolean blend if (blendFactor<0.5f) Value=pValue->Value; } virtual void affect (const IAnimatedValue& value) { // Check types of value nlassert (typeid (value)==typeid(*this)); // Cast CAnimatedValueNotBlendable<T> *pValue=(CAnimatedValueNotBlendable<T>*)&value; // Blend Value=pValue->Value; } // The value T Value; }; typedef CAnimatedValueNotBlendable<bool> CAnimatedValueBool; typedef CAnimatedValueBlendable<sint32> CAnimatedValueInt; typedef CAnimatedValueBlendable<float> CAnimatedValueFloat; typedef CAnimatedValueBlendable<NLMISC::CVector> CAnimatedValueVector; typedef CAnimatedValueNotBlendable<std::string> CAnimatedValueString; typedef CAnimatedValueBlendable<NLMISC::CQuat> CAnimatedValueQuat; typedef CAnimatedValueBlendable<NLMISC::CRGBA> CAnimatedValueRGBA; } // NL3D #endif // NL_ANIMATED_VALUE_H /* End of animated_value.h */