00001 /*! \file 00002 \author victorien ferry & www.m4nkind.com 00003 \brief This file applies the GNU LESSER GENERAL PUBLIC LICENSE Version 2.1 , read file COPYING. 00004 */ 00005 #ifndef COM_M4NKIND_EquationSoundSignal_H 00006 #define COM_M4NKIND_EquationSoundSignal_H 00007 00008 #include "VirtualEquation.h" 00009 #include "PackFloat.h" 00010 #include "PackFloatByte_Limits.h" 00011 #include "PackULong_Flags.h" 00012 #include "PackULong_Enums.h" 00013 /*! 00014 \class EquationSoundSignal 00015 \ingroup BaseObjectInherited_VedaLibMath BaseObjectInheritedDocGroup 00016 \brief Return the Machine's Sound signal output as an equation: 00017 Returns the machine's current stereo sound curve. 00018 You can define which terms of the result are affected. 00019 The length curve definition may vary, but is scaled along [0,1] 00020 by Input.X (see Equation List) 00021 */ 00022 class EquationSoundSignal : public VirtualEquation 00023 { 00024 /*================================================================== 00025 PUBLIC 00026 ==================================================================*/ 00027 public: 00028 /*! 00029 \brief Constructor. There should only be members initialisation there. 00030 */ 00031 EquationSoundSignal(void); 00032 00033 /*! 00034 \brief Class Inheritance Descriptors. Also forces a destructor. See BASEOBJECT_DECLARE_... in .cpp 00035 */ 00036 BASEOBJECT_DEFINE_CLASS(EquationSoundSignal); 00037 00038 /*! 00039 \brief Compute a scalar value according to a parameter list (X,Y,Z,D). 00040 \param _OutgoingParameterTable result table. elements are writen or not according to the equation. 00041 \param _IncomingParameterTable. float table, the (X,Y,Z,D) parameters. 00042 */ 00043 virtual void Compute( float _OutgoingParameterTable[4] , const float _IncomingParameterTable[4] ); 00044 00045 /*! 00046 \brief Method that really build the object using the serializable parameters. 00047 Close() should close everything opened by CreateInternal(). 00048 ->precalculate some terms 00049 */ 00050 virtual bool CreateInternal(void); 00051 00052 /*================================================================== 00053 PROTECTED 00054 ==================================================================*/ 00055 protected: 00056 //! the output value range 00057 PackFloat mSer_OutputRange; 00058 typedef enum{ 00059 eX=1, 00060 eY=2, 00061 eZ=4, 00062 eD=8, 00063 eUnifyOut=16, 00064 } eflagmeans; 00065 //! XYZD channels to apply 00066 PackULong_Flags mSer_ApplyChannels; 00067 //! Smooth force. apply a delay in time. 00068 PackFloatByte_Limits mSer_SmoothForce; 00069 00070 //! 00071 static const unsigned int m_HistoricBufferMaxLength=512; 00072 //! keep an historic buffer for smoothing equation visually. 00073 float m_HistoryBufferLength[m_HistoricBufferMaxLength]; 00074 //! 00075 float m_LastFramedatecheck; 00076 // some optim: 00077 //! XYZD output weight 0.0->1.0 00078 float m_flastbufferlengthfloatversion; 00079 float m_lowvalue; 00080 float m_length; 00081 int m_ilastbufferlengthfloatversion; 00082 00083 //! private use typedef. 00084 typedef void *(*protectedComputeType)(void); 00085 //! the compute method. 00086 protectedComputeType m_ComputeMethod; 00087 00088 00089 }; 00090 #endif
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