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Added most recent version of unmodified HL2 SDK for Episode 1 engine

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Scott Ehlert
2008-09-15 01:00:17 -05:00
commit cb8fd25d1f
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cl_dll/animationlayer.h Normal file
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//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================//
#ifndef ANIMATIONLAYER_H
#define ANIMATIONLAYER_H
#ifdef _WIN32
#pragma once
#endif
#include "rangecheckedvar.h"
#include "lerp_functions.h"
class C_AnimationLayer
{
public:
// This allows the datatables to access private members.
ALLOW_DATATABLES_PRIVATE_ACCESS();
C_AnimationLayer();
void SetOrder( int order );
public:
bool IsActive( void );
CRangeCheckedVar<int, -1, 2048, 0> m_nSequence;
CRangeCheckedVar<float, -2, 2, 0> m_flPrevCycle;
CRangeCheckedVar<float, -5, 5, 0> m_flWeight;
int m_nOrder;
// used for automatic crossfades between sequence changes
CRangeCheckedVar<float, -50, 50, 1> m_flPlaybackRate;
CRangeCheckedVar<float, -2, 2, 0> m_flCycle;
float GetFadeout( float flCurTime );
float m_flLayerAnimtime;
float m_flLayerFadeOuttime;
};
#ifdef CLIENT_DLL
#define CAnimationLayer C_AnimationLayer
#endif
inline C_AnimationLayer::C_AnimationLayer()
{
m_nSequence = 0;
m_flPrevCycle = 0;
m_flWeight = 0;
m_flPlaybackRate = 0;
m_flCycle = 0;
m_flLayerAnimtime = 0;
m_flLayerFadeOuttime = 0;
}
inline void C_AnimationLayer::SetOrder( int order )
{
m_nOrder = order;
}
inline float C_AnimationLayer::GetFadeout( float flCurTime )
{
float s;
if (m_flLayerFadeOuttime <= 0.0f)
{
s = 0;
}
else
{
// blend in over 0.2 seconds
s = 1.0 - (flCurTime - m_flLayerAnimtime) / m_flLayerFadeOuttime;
if (s > 0 && s <= 1.0)
{
// do a nice spline curve
s = 3 * s * s - 2 * s * s * s;
}
else if ( s > 1.0f )
{
// Shouldn't happen, but maybe curtime is behind animtime?
s = 1.0f;
}
}
return s;
}
inline C_AnimationLayer LoopingLerp( float flPercent, C_AnimationLayer from, C_AnimationLayer to )
{
C_AnimationLayer output;
output.m_nSequence = to.m_nSequence;
output.m_flCycle = LoopingLerp( flPercent, (float)from.m_flCycle, (float)to.m_flCycle );
output.m_flPrevCycle = to.m_flPrevCycle;
output.m_flWeight = Lerp( flPercent, from.m_flWeight, to.m_flWeight );
output.m_nOrder = to.m_nOrder;
output.m_flLayerAnimtime = to.m_flLayerAnimtime;
output.m_flLayerFadeOuttime = to.m_flLayerFadeOuttime;
return output;
}
inline C_AnimationLayer Lerp( float flPercent, const C_AnimationLayer& from, const C_AnimationLayer& to )
{
C_AnimationLayer output;
output.m_nSequence = to.m_nSequence;
output.m_flCycle = Lerp( flPercent, from.m_flCycle, to.m_flCycle );
output.m_flPrevCycle = to.m_flPrevCycle;
output.m_flWeight = Lerp( flPercent, from.m_flWeight, to.m_flWeight );
output.m_nOrder = to.m_nOrder;
output.m_flLayerAnimtime = to.m_flLayerAnimtime;
output.m_flLayerFadeOuttime = to.m_flLayerFadeOuttime;
return output;
}
inline C_AnimationLayer LoopingLerp_Hermite( float flPercent, C_AnimationLayer prev, C_AnimationLayer from, C_AnimationLayer to )
{
C_AnimationLayer output;
output.m_nSequence = to.m_nSequence;
output.m_flCycle = LoopingLerp_Hermite( flPercent, (float)prev.m_flCycle, (float)from.m_flCycle, (float)to.m_flCycle );
output.m_flPrevCycle = to.m_flPrevCycle;
output.m_flWeight = Lerp( flPercent, from.m_flWeight, to.m_flWeight );
output.m_nOrder = to.m_nOrder;
output.m_flLayerAnimtime = to.m_flLayerAnimtime;
output.m_flLayerFadeOuttime = to.m_flLayerFadeOuttime;
return output;
}
// YWB: Specialization for interpolating euler angles via quaternions...
inline C_AnimationLayer Lerp_Hermite( float flPercent, const C_AnimationLayer& prev, const C_AnimationLayer& from, const C_AnimationLayer& to )
{
C_AnimationLayer output;
output.m_nSequence = to.m_nSequence;
output.m_flCycle = Lerp_Hermite( flPercent, prev.m_flCycle, from.m_flCycle, to.m_flCycle );
output.m_flPrevCycle = to.m_flPrevCycle;
output.m_flWeight = Lerp( flPercent, from.m_flWeight, to.m_flWeight );
output.m_nOrder = to.m_nOrder;
output.m_flLayerAnimtime = to.m_flLayerAnimtime;
output.m_flLayerFadeOuttime = to.m_flLayerFadeOuttime;
return output;
}
inline void Lerp_Clamp( C_AnimationLayer &val )
{
Lerp_Clamp( val.m_nSequence );
Lerp_Clamp( val.m_flCycle );
Lerp_Clamp( val.m_flPrevCycle );
Lerp_Clamp( val.m_flWeight );
Lerp_Clamp( val.m_nOrder );
Lerp_Clamp( val.m_flLayerAnimtime );
Lerp_Clamp( val.m_flLayerFadeOuttime );
}
#endif // ANIMATIONLAYER_H