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| author | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
|---|---|---|
| committer | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
| commit | 39ed87570bdb2f86969d4be821c94b722dc71179 (patch) | |
| tree | abc53757f75f40c80278e87650ea92808274aa59 /sp/src/game/shared/predicted_viewmodel.cpp | |
| download | source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip | |
First version of the SOurce SDK 2013
Diffstat (limited to 'sp/src/game/shared/predicted_viewmodel.cpp')
| -rw-r--r-- | sp/src/game/shared/predicted_viewmodel.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/sp/src/game/shared/predicted_viewmodel.cpp b/sp/src/game/shared/predicted_viewmodel.cpp new file mode 100644 index 00000000..5af87f46 --- /dev/null +++ b/sp/src/game/shared/predicted_viewmodel.cpp @@ -0,0 +1,71 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+//=============================================================================//
+#include "cbase.h"
+#include "predicted_viewmodel.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+LINK_ENTITY_TO_CLASS( predicted_viewmodel, CPredictedViewModel );
+
+IMPLEMENT_NETWORKCLASS_ALIASED( PredictedViewModel, DT_PredictedViewModel )
+
+BEGIN_NETWORK_TABLE( CPredictedViewModel, DT_PredictedViewModel )
+END_NETWORK_TABLE()
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+#ifdef CLIENT_DLL
+CPredictedViewModel::CPredictedViewModel() : m_LagAnglesHistory("CPredictedViewModel::m_LagAnglesHistory")
+{
+ m_vLagAngles.Init();
+ m_LagAnglesHistory.Setup( &m_vLagAngles, 0 );
+}
+#else
+CPredictedViewModel::CPredictedViewModel()
+{
+}
+#endif
+
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+CPredictedViewModel::~CPredictedViewModel()
+{
+}
+
+#ifdef CLIENT_DLL
+ConVar cl_wpn_sway_interp( "cl_wpn_sway_interp", "0.1", FCVAR_CLIENTDLL );
+ConVar cl_wpn_sway_scale( "cl_wpn_sway_scale", "1.0", FCVAR_CLIENTDLL|FCVAR_CHEAT );
+#endif
+
+void CPredictedViewModel::CalcViewModelLag( Vector& origin, QAngle& angles, QAngle& original_angles )
+{
+ #ifdef CLIENT_DLL
+ // Calculate our drift
+ Vector forward, right, up;
+ AngleVectors( angles, &forward, &right, &up );
+
+ // Add an entry to the history.
+ m_vLagAngles = angles;
+ m_LagAnglesHistory.NoteChanged( gpGlobals->curtime, cl_wpn_sway_interp.GetFloat(), false );
+
+ // Interpolate back 100ms.
+ m_LagAnglesHistory.Interpolate( gpGlobals->curtime, cl_wpn_sway_interp.GetFloat() );
+
+ // Now take the 100ms angle difference and figure out how far the forward vector moved in local space.
+ Vector vLaggedForward;
+ QAngle angleDiff = m_vLagAngles - angles;
+ AngleVectors( -angleDiff, &vLaggedForward, 0, 0 );
+ Vector vForwardDiff = Vector(1,0,0) - vLaggedForward;
+
+ // Now offset the origin using that.
+ vForwardDiff *= cl_wpn_sway_scale.GetFloat();
+ origin += forward*vForwardDiff.x + right*-vForwardDiff.y + up*vForwardDiff.z;
+ #endif
+}
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