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313 lines
11 KiB
313 lines
11 KiB
//========= 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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#ifdef CSTRIKE15
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#include "c_cs_player.h"
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#endif
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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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IMPLEMENT_NETWORKCLASS_ALIASED( PredictedViewModel, DT_PredictedViewModel )
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LINK_ENTITY_TO_CLASS_ALIASED( predicted_viewmodel, 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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m_flInaccuracyTilt = 0;
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m_flOldAccuracyDiffSmoothed = 0;
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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", "1.6", FCVAR_CLIENTDLL|FCVAR_CHEAT );
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#ifdef CSTRIKE15
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extern ConVar cl_use_new_headbob;
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#endif //CSTRIKE15
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#endif //CLIENT_DLL
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//-----------------------------------------------------------------------------
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// Purpose: Adds head bob for off hand models
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//-----------------------------------------------------------------------------
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void CPredictedViewModel::AddViewModelBob( CBasePlayer *owner, Vector& eyePosition, QAngle& eyeAngles )
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{
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#ifdef CSTRIKE15
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#ifdef CLIENT_DLL
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if ( cl_use_new_headbob.GetBool() == false )
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return;
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// if we are an off hand view model (index 1) and we have a model, add head bob.
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// (Head bob for main hand model added by the weapon itself.)
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if ( ViewModelIndex() == 1 && m_bShouldIgnoreOffsetAndAccuracy )
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{
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CalcViewModelBobHelper( owner, &m_BobState, 1 );
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AddViewModelBobHelper( eyePosition, eyeAngles, &m_BobState );
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}
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#endif
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#endif
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}
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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 || m_bShouldIgnoreOffsetAndAccuracy )
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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, 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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if ( ShouldFlipModel() )
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right = -right;
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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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// reduce offset as viewmodel angle approaches nearly vertical
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float flMult = clamp( abs(DotProduct(up, Vector(0,0,1))) - 0.02f, 0, 1 );
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origin += (m_vPredictedOffset * flMult);
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#endif
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}
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#ifdef CLIENT_DLL
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ConVar cl_gunlowerangle( "cl_gunlowerangle", "2", FCVAR_CLIENTDLL );
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ConVar cl_gunlowerspeed( "cl_gunlowerspeed", "0.1", FCVAR_CLIENTDLL );
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#endif //CLIENT_DLL
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void CPredictedViewModel::ApplyViewModelPitchAndDip( CBasePlayer *owner, Vector& vecNewOrigin, QAngle& vecNewAngles )
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{
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//orients and moves weapon to provide visual feedback on weapon accuracy and player motion (like jumping and landing)
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#ifdef CLIENT_DLL
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// Check for lowering the weapon
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// C_CSPlayer *pPlayer = ToCSPlayer( owner );
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// Assert( pPlayer );
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bool bJumping = !( owner->GetFlags() & FL_ONGROUND );
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bool bLowered = bJumping;//pPlayer->IsWeaponLowered();
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QAngle vecLoweredAngles(0,0,0);
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m_vLoweredWeaponOffset.x = Approach( bLowered ? cl_gunlowerangle.GetFloat() : 0, m_vLoweredWeaponOffset.x, cl_gunlowerspeed.GetFloat() );
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vecLoweredAngles.x += m_vLoweredWeaponOffset.x;
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vecNewAngles -= vecLoweredAngles * 0.2f;
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vecNewOrigin.z -= vecLoweredAngles.x * 0.4f; // translation offset looks more natural than rotation
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float flDipAddAmt = 0.0f;
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float flOldFallVel = owner->m_Local.m_flOldFallVelocity;
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// This does the dip when you land
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// m_Local.m_bInLanding gets set on the client in baseplayer_shared.cpp -- mtw
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if ( owner && owner->m_Local.m_bInLanding == true )
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{
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float flDipAmt = 0.005;//weapon_land_dip_amt.GetFloat();
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float landseconds = MAX(gpGlobals->curtime - (owner->m_Local.m_flLandingTime - 0.1f), 0.0f);
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float landFraction = SmoothCurve( landseconds / 0.25f );
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clamp( landFraction, 0.0f, 1.0f );
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float flDipAmount = (1 / flOldFallVel) * flDipAmt;
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int dipHighOffset = 64;
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int dipLowOffset = dipHighOffset - flDipAmt;
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Vector temp = owner->GetViewOffset();
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temp.z = ( ( dipLowOffset - flDipAmount ) * landFraction ) +
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( dipHighOffset * ( 1 - landFraction ) );
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if ( temp.z > dipHighOffset )
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{
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temp.z = dipHighOffset;
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}
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flDipAddAmt = ( dipHighOffset - temp.z );
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}
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// Replaced with CL #2056767 code in baseviewmodel_shared.cpp
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// that applies aimpunch to viewmodel angle
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//////////////////////////////////////////
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// C_WeaponCSBase *pWeapon = ( C_WeaponCSBase * )GetOwningWeapon();
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// // pitch the viewmodel up to match where the bullets are going
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// if ( pWeapon )
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// {
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// float flMaxMultiplier = 40;
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// float flMultiplier = flMaxMultiplier;
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//
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// if ( !m_bShouldIgnoreOffsetAndAccuracy )
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// flMultiplier -= MAX( 0, (gpGlobals->curtime - pWeapon->m_flNextPrimaryAttack) * flMaxMultiplier );
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//
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// float flMultMinClamp = 0;
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// if ( bJumping )
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// flMultMinClamp = 5.0f;
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//
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// flMultiplier = clamp( flMultiplier, flMultMinClamp, flMaxMultiplier );
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//
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// // get the player's default accuracy
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// float flBaseAccuracy = pWeapon->GetCSWpnData().GetInaccuracyStand( 0, pWeapon->GetAttributeContainer()->GetItem() );
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// // get the current accuracy of the player
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// float flAccuracy = m_bShouldIgnoreOffsetAndAccuracy ? 0 : pWeapon->GetInaccuracy();
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// //float flAccuracyFishtail = m_bShouldIgnoreOffsetAndAccuracy ? 0 : pWeapon->GetAccuracyFishtail();
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// // get the difference between the two
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// float flAccuracyDiff = m_bShouldIgnoreOffsetAndAccuracy ? 0 : abs((flAccuracy - flBaseAccuracy) * flMultiplier);
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//
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// float flApproachSpeed = 25.0f;
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// // if we are in the air, we just jumped, we are running really fast,
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// // adjust the appraoch speed based on how fast it changed
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// // this avoids big visual pops
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// if ( bJumping || (!m_bShouldIgnoreOffsetAndAccuracy && owner->GetAbsVelocity().Length2D() > 150.0f) )// && flAccuracyDiff > m_flOldAccuracyDiff )
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// {
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// float flMax = 7.5f;
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// float flDiv = 10.0f;
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// // if we're on the ground and moving fast
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// if ( owner->GetAbsVelocity().Length2D() > 150.0f && !bJumping )
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// {
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// flMax = 25.0f;
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// flDiv = 5.0f;
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// }
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//
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// float flOldToNewDiff = abs( ((flAccuracyDiff - m_flOldAccuracyDiffSmoothed) / flDiv) * flApproachSpeed );
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// // small differences, we go faster, large differences and we go slower
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// flApproachSpeed = clamp( flApproachSpeed - flOldToNewDiff, 5.0f, flMax );
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// }
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//
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// // save off the accuracy difference
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// m_flOldAccuracyDiffSmoothed = Approach( flAccuracyDiff, m_flOldAccuracyDiffSmoothed, abs( ((flAccuracyDiff)-m_flOldAccuracyDiffSmoothed )*gpGlobals->frametime) * 0.5f );
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//
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// // smooth out the tilting
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// m_flInaccuracyTilt = Approach( flAccuracyDiff, m_flInaccuracyTilt, abs( (flAccuracyDiff-m_flInaccuracyTilt)*gpGlobals->frametime) * flApproachSpeed );
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// m_flInaccuracyTilt = MIN( m_flInaccuracyTilt, 3.0f );
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// //Msg ( "owner->GetAbsVelocity().Length2D() = %f, flAccuracyDiff = %f, m_flInaccuracyTilt = %f, flMultiplier = %f\n", owner->GetAbsVelocity().Length2D(), flAccuracyDiff, m_flInaccuracyTilt, flMultiplier );
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// //Msg ( "flApproachSpeed = %f, flAccuracyDiff = %f, m_flOldAccuracyDiffSmoothed = %f\n", flApproachSpeed, flAccuracyDiff, m_flOldAccuracyDiffSmoothed );
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//
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// vecNewAngles.x -= m_flInaccuracyTilt;
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// //vecNewAngles.y += flAccuracyFishtail;
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// // dip the gun just a bit as well
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// vecNewOrigin.z -= (m_flInaccuracyTilt * 0.5f) + flDipAddAmt;
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// }
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#endif
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}
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#ifdef CSTRIKE15
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void CPredictedViewModel::CalcViewModelView( CBasePlayer *owner, const Vector& eyePosition, const QAngle& eyeAngles )
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{
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#if defined( CLIENT_DLL )
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if ( cl_use_new_headbob.GetBool() == false )
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return BaseClass::CalcViewModelView( owner, eyePosition, eyeAngles );
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Vector vecNewOrigin = eyePosition;
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QAngle vecNewAngles = eyeAngles;
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ApplyViewModelPitchAndDip( owner, vecNewOrigin, vecNewAngles );
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BaseClass::CalcViewModelView( owner, vecNewOrigin, vecNewAngles );
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#endif //CLIENT_DLL
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#ifdef IRONSIGHT
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CWeaponCSBase *pWeapon = ( CWeaponCSBase * )GetOwningWeapon();
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if ( pWeapon )
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{
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CIronSightController* pIronSightController = pWeapon->GetIronSightController();
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if ( pIronSightController )
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{
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#ifndef CLIENT_DLL
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pIronSightController->UpdateIronSightAmount();
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#else
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Vector vecEyeOrigin = eyePosition;
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QAngle angEyeAngles = eyeAngles;
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if ( !prediction->InPrediction() )
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{
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//Retrieve ironsight position and angles, then lerp the weapon there if we're at all ironsighted
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pIronSightController->ApplyIronSightPositioning( vecEyeOrigin, angEyeAngles, GetLocalOrigin(), GetLocalAngles() );
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if ( pIronSightController->IsInIronSight() )
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{
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SetLocalOrigin( Lerp( pIronSightController->GetIronSightAmountGained(), GetLocalOrigin(), vecEyeOrigin ) );
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SetLocalAngles( Lerp( pIronSightController->GetIronSightAmountGained(), GetLocalAngles(), angEyeAngles ) );
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}
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}
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#endif
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}
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}
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#endif //IRONSIGHT
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#ifdef CLIENT_DLL
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// bias the position of the viewmodel during observer camera interpolation
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C_BasePlayer *pLocalPlayer = C_BasePlayer::GetLocalPlayer();
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if ( pLocalPlayer && pLocalPlayer->GetObserverInterpState() != C_BasePlayer::OBSERVER_INTERP_NONE )
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{
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C_CSPlayer *pCSPlayer = ToCSPlayer( pLocalPlayer );
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if ( pCSPlayer )
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{
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Vector vecOffset = pCSPlayer->GetObserverInterpolatedOffsetVector();
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// pull up from offscreen a little
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vecOffset.z -= vecOffset.Length() * 0.2f;
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// dampen overall
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vecOffset *= 0.5f;
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SetLocalOrigin( GetLocalOrigin() + vecOffset );
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}
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}
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#endif
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}
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#endif //CSTRIKE15
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