Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================
#ifndef INTERPOLATORTYPES_H
#define INTERPOLATORTYPES_H
#ifdef _WIN32
#pragma once
#endif
class Quaternion;
enum
{
INTERPOLATE_DEFAULT = 0,
INTERPOLATE_CATMULL_ROM_NORMALIZEX,
INTERPOLATE_EASE_IN,
INTERPOLATE_EASE_OUT,
INTERPOLATE_EASE_INOUT,
INTERPOLATE_BSPLINE,
INTERPOLATE_LINEAR_INTERP,
INTERPOLATE_KOCHANEK_BARTELS,
INTERPOLATE_KOCHANEK_BARTELS_EARLY,
INTERPOLATE_KOCHANEK_BARTELS_LATE,
INTERPOLATE_SIMPLE_CUBIC,
INTERPOLATE_CATMULL_ROM,
INTERPOLATE_CATMULL_ROM_NORMALIZE,
INTERPOLATE_CATMULL_ROM_TANGENT,
INTERPOLATE_EXPONENTIAL_DECAY,
INTERPOLATE_HOLD,
NUM_INTERPOLATE_TYPES,
};
#define MAKE_CURVE_TYPE( left, right ) ( ( right ) & 0xff ) | ( ( ( left ) & 0xff ) << 8 )
#define GET_RIGHT_CURVE(w) ( ( w ) & 0xff )
#define GET_LEFT_CURVE(w) ( ( ( w ) >> 8) & 0xff )
// Presets used by faceposer
enum
{
CURVE_DEFAULT = MAKE_CURVE_TYPE( INTERPOLATE_DEFAULT, INTERPOLATE_DEFAULT ),
CURVE_CATMULL_ROM_TO_CATMULL_ROM = MAKE_CURVE_TYPE( INTERPOLATE_CATMULL_ROM_NORMALIZEX , INTERPOLATE_CATMULL_ROM_NORMALIZEX ), // hotkey 1
CURVE_EASE_IN_TO_EASE_OUT = MAKE_CURVE_TYPE( INTERPOLATE_EASE_IN, INTERPOLATE_EASE_OUT ), // hotkey 2
CURVE_EASE_IN_TO_EASE_IN = MAKE_CURVE_TYPE( INTERPOLATE_EASE_IN, INTERPOLATE_EASE_IN ),
CURVE_EASE_OUT_TO_EASE_OUT = MAKE_CURVE_TYPE( INTERPOLATE_EASE_OUT, INTERPOLATE_EASE_OUT ),
CURVE_BSPLINE_TO_BSPLINE = MAKE_CURVE_TYPE( INTERPOLATE_BSPLINE, INTERPOLATE_BSPLINE ),
CURVE_LINEAR_INTERP_TO_LINEAR_INTERP = MAKE_CURVE_TYPE( INTERPOLATE_LINEAR_INTERP, INTERPOLATE_LINEAR_INTERP ),
CURVE_KOCHANEK_BARTELS_TO_KOCHANEK_BARTELS = MAKE_CURVE_TYPE( INTERPOLATE_KOCHANEK_BARTELS, INTERPOLATE_KOCHANEK_BARTELS ),
CURVE_KOCHANEK_BARTELS_EARLY_TO_KOCHANEK_BARTELS_EARLY = MAKE_CURVE_TYPE( INTERPOLATE_KOCHANEK_BARTELS_EARLY, INTERPOLATE_KOCHANEK_BARTELS_EARLY ),
CURVE_KOCHANEK_BARTELS_LATE_TO_KOCHANEK_BARTELS_LATE = MAKE_CURVE_TYPE( INTERPOLATE_KOCHANEK_BARTELS_LATE, INTERPOLATE_KOCHANEK_BARTELS_LATE ),
CURVE_SIMPLE_CUBIC_TO_SIMPLE_CUBIC = MAKE_CURVE_TYPE( INTERPOLATE_SIMPLE_CUBIC, INTERPOLATE_SIMPLE_CUBIC ),
CURVE_LINEAR_TO_HOLD = MAKE_CURVE_TYPE( INTERPOLATE_LINEAR_INTERP, INTERPOLATE_HOLD ),
CURVE_HOLD_TO_LINEAR = MAKE_CURVE_TYPE( INTERPOLATE_HOLD, INTERPOLATE_LINEAR_INTERP ),
};
// Turn enum into string and vice versa
int Interpolator_CurveTypeForName( const char *name );
const char *Interpolator_NameForCurveType( int type, bool printname );
void Interpolator_CurveInterpolatorsForType( int type, int& inbound, int& outbound );
int Interpolator_CurveTypeForHotkey( int key );
int Interpolator_InterpolatorForName( char const *name );
char const *Interpolator_NameForInterpolator( int type, bool printname );
void Interpolator_GetKochanekBartelsParams( int interpolatorType, float& tension, float& bias, float& continuity );
class Vector;
// Main spline interpolation function, assumes .x holds time and .y holds one dimensional value
void Interpolator_CurveInterpolate( int interpolationType,
const Vector &vPre,
const Vector &vStart,
const Vector &vEnd,
const Vector &vNext,
float f,
Vector &vOut );
// Main spline interpolation function for Vectors, doesn't assume time is in .x and doesn't do normalization
void Interpolator_CurveInterpolate_NonNormalized( int interpolationType,
const Vector &vPre,
const Vector &vStart,
const Vector &vEnd,
const Vector &vNext,
float f,
Vector &vOut );
// Main spline interpolation function for Vectors, doesn't assume time is in .x and doesn't do normalization
void Interpolator_CurveInterpolate_NonNormalized( int interpolationType,
const Quaternion &vPre,
const Quaternion &vStart,
const Quaternion &vEnd,
const Quaternion &vNext,
float f,
Quaternion &vOut );
#endif // INTERPOLATORTYPES_H