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87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================//
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#include "cbase.h"
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#include "predicted_viewmodel.h"
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#ifdef CLIENT_DLL
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#include "prediction.h"
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#endif
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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LINK_ENTITY_TO_CLASS( predicted_viewmodel, CPredictedViewModel );
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IMPLEMENT_NETWORKCLASS_ALIASED( PredictedViewModel, DT_PredictedViewModel )
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BEGIN_NETWORK_TABLE( CPredictedViewModel, DT_PredictedViewModel )
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END_NETWORK_TABLE()
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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#ifdef CLIENT_DLL
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CPredictedViewModel::CPredictedViewModel() : m_LagAnglesHistory("CPredictedViewModel::m_LagAnglesHistory")
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{
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m_vLagAngles.Init();
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m_LagAnglesHistory.Setup( &m_vLagAngles, INTERPOLATE_LINEAR_ONLY );
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m_vPredictedOffset.Init();
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}
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#else
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CPredictedViewModel::CPredictedViewModel()
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{
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}
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#endif
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CPredictedViewModel::~CPredictedViewModel()
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{
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}
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#ifdef CLIENT_DLL
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ConVar cl_wpn_sway_interp( "cl_wpn_sway_interp", "0.1", FCVAR_CLIENTDLL );
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ConVar cl_wpn_sway_scale( "cl_wpn_sway_scale", "1.0", FCVAR_CLIENTDLL|FCVAR_CHEAT );
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#endif
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void CPredictedViewModel::CalcViewModelLag( Vector& origin, QAngle& angles, QAngle& /*original_angles*/ )
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{
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#ifdef CLIENT_DLL
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float interp = cl_wpn_sway_interp.GetFloat();
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if ( !interp )
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return;
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if ( prediction->InPrediction() && !prediction->IsFirstTimePredicted() )
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{
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origin += m_vPredictedOffset;
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return;
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}
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// Calculate our drift
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Vector forward, right, up;
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AngleVectors( angles, &forward, &right, &up );
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// Add an entry to the history.
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m_vLagAngles = angles;
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m_LagAnglesHistory.NoteChanged( gpGlobals->curtime, interp, false );
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// Interpolate back 100ms.
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m_LagAnglesHistory.Interpolate( gpGlobals->curtime, interp );
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// Now take the 100ms angle difference and figure out how far the forward vector moved in local space.
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Vector vLaggedForward;
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QAngle angleDiff = m_vLagAngles - angles;
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AngleVectors( -angleDiff, &vLaggedForward, 0, 0 );
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Vector vForwardDiff = Vector(1,0,0) - vLaggedForward;
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// Now offset the origin using that.
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vForwardDiff *= cl_wpn_sway_scale.GetFloat();
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m_vPredictedOffset = forward*vForwardDiff.x + right*-vForwardDiff.y + up*vForwardDiff.z;
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origin += m_vPredictedOffset;
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#endif
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} |