From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001
From: Joe Ludwig <joe@valvesoftware.com>
Date: Wed, 26 Jun 2013 15:22:04 -0700
Subject: First version of the SOurce SDK 2013

---
 mp/src/game/server/forcefeedback.cpp | 155 +++++++++++++++++++++++++++++++++++
 1 file changed, 155 insertions(+)
 create mode 100644 mp/src/game/server/forcefeedback.cpp

(limited to 'mp/src/game/server/forcefeedback.cpp')

diff --git a/mp/src/game/server/forcefeedback.cpp b/mp/src/game/server/forcefeedback.cpp
new file mode 100644
index 00000000..ce337cc8
--- /dev/null
+++ b/mp/src/game/server/forcefeedback.cpp
@@ -0,0 +1,155 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#include "cbase.h"
+#include "forcefeedback.h"
+#include "igamesystem.h"
+
+class CForceFeedback : public IForceFeedback, public CAutoGameSystem
+{
+public:
+	virtual bool			Init();
+	virtual void			Shutdown();
+
+	// API
+	virtual void			StopAllEffects( CBasePlayer *player );
+	virtual void			StopEffect( CBasePlayer *player, FORCEFEEDBACK_t effect );
+	virtual void			StartEffect( CBasePlayer *player, FORCEFEEDBACK_t effect, const FFBaseParams_t& params );
+
+	virtual void			PauseAll( CBasePlayer *player );
+	virtual void			ResumeAll( CBasePlayer *player );
+};
+
+static CForceFeedback g_ForceFeedbackSingleton;
+IForceFeedback *forcefeedback = &g_ForceFeedbackSingleton;
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Output : Returns true on success, false on failure.
+//-----------------------------------------------------------------------------
+bool CForceFeedback::Init()
+{
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CForceFeedback::Shutdown()
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *player - 
+//-----------------------------------------------------------------------------
+void CForceFeedback::StopAllEffects( CBasePlayer *player )
+{
+	if ( !player )
+		return;
+
+	CSingleUserRecipientFilter user( player );
+
+	UserMessageBegin( user, "ForceFeedback" );
+
+		WRITE_BYTE( FFMSG_STOPALL ); // Reset effects
+
+	MessageEnd();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *player - 
+//			effect - 
+//-----------------------------------------------------------------------------
+void CForceFeedback::StopEffect( CBasePlayer *player, FORCEFEEDBACK_t effect )
+{
+	if ( !player )
+		return;
+
+	CSingleUserRecipientFilter user( player );
+
+	UserMessageBegin( user, "ForceFeedback" );
+
+		WRITE_BYTE( FFMSG_STOP ); // Reset effect
+		WRITE_BYTE( effect );
+
+	MessageEnd();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *player - 
+//			effect - 
+//			params - 
+//-----------------------------------------------------------------------------
+void CForceFeedback::StartEffect( CBasePlayer *player, FORCEFEEDBACK_t effect, const FFBaseParams_t& params )
+{
+	if ( !player )
+	{
+		return;
+	}
+
+	CSingleUserRecipientFilter user( player );
+
+	UserMessageBegin( user, "ForceFeedback" );
+
+		WRITE_BYTE( FFMSG_START ); // Reset effects
+		WRITE_BYTE( effect );
+
+		// encode direction as a byte
+		int dir = (int)( ( params.m_flDirection / 360.0f ) * 255.0f );
+		WRITE_BYTE( dir );
+
+		// encode duration as a signed int
+		int duration = (int)params.m_flDuration * 1000.0f;
+		WRITE_LONG( duration );
+		
+		// encode gain as a byte
+		byte gain = (byte)clamp( params.m_flGain * 255.0f, 0.0f, 255.0f );
+
+		WRITE_BYTE( gain );
+		WRITE_BYTE( params.m_nPriority );
+		WRITE_BYTE( params.m_bSolo ? 1 : 0 );
+
+	MessageEnd();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *player - 
+//-----------------------------------------------------------------------------
+void CForceFeedback::PauseAll( CBasePlayer *player )
+{
+	if ( !player )
+		return;
+
+	CSingleUserRecipientFilter user( player );
+
+	UserMessageBegin( user, "ForceFeedback" );
+
+		WRITE_BYTE( FFMSG_PAUSE ); // Pause effects
+
+	MessageEnd();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *player - 
+//-----------------------------------------------------------------------------
+void CForceFeedback::ResumeAll( CBasePlayer *player )
+{
+	if ( !player )
+		return;
+
+	CSingleUserRecipientFilter user( player );
+
+	UserMessageBegin( user, "ForceFeedback" );
+
+		WRITE_BYTE( FFMSG_RESUME ); // Resume effects
+
+	MessageEnd();
+}
\ No newline at end of file
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