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 SIMPLE_KEYS_H
#define SIMPLE_KEYS_H
#ifdef _WIN32
#pragma once
#endif
enum simplekeyinterp_t
{
KEY_LINEAR = 0,
KEY_SPLINE,
KEY_ACCELERATE,
KEY_DECELERATE,
};
class CSimpleKeyInterp : public Vector
{
public:
CSimpleKeyInterp( float t, simplekeyinterp_t interp, float x, float y = 0, float z = 0 ) : Vector( x, y, z )
{
m_interp = interp;
m_keyTime = t;
}
float GetTime() const { return m_keyTime; }
// out = t*start + (1-t) * end (may be splinear or linear)
static void Interp( Vector &out, float t, const CSimpleKeyInterp &start, const CSimpleKeyInterp &end );
float m_keyTime;
simplekeyinterp_t m_interp;
};
class CSimpleKeyList
{
public:
int Insert( const CSimpleKeyInterp &key );
bool Interp( Vector &out, float t );
CUtlVector<CSimpleKeyInterp> m_list;
};
#endif // SIMPLE_KEYS_H