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game/client/hl2/c_npc_manhack.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "c_ai_basenpc.h"
+#include "soundenvelope.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+class C_NPC_Manhack : public C_AI_BaseNPC
+{
+public:
+	C_NPC_Manhack() {}
+
+	DECLARE_CLASS( C_NPC_Manhack, C_AI_BaseNPC );
+	DECLARE_CLIENTCLASS();
+ 	DECLARE_DATADESC();
+
+	// Purpose: Start the manhack's engine sound.
+	virtual void OnDataChanged( DataUpdateType_t type );
+	virtual void UpdateOnRemove( void );
+	virtual void OnRestore();
+
+private:
+	C_NPC_Manhack( const C_NPC_Manhack & );
+
+	// Purpose: Start + stop the manhack's engine sound.
+	void SoundInit( void );
+	void SoundShutdown( void );
+
+	CSoundPatch		*m_pEngineSound1;
+	CSoundPatch		*m_pEngineSound2;
+	CSoundPatch		*m_pBladeSound;
+
+	int				m_nEnginePitch1;
+	int				m_nEnginePitch2;
+	float			m_flEnginePitch1Time;
+	float			m_flEnginePitch2Time;
+};
+
+
+//-----------------------------------------------------------------------------
+// Save/restore
+//-----------------------------------------------------------------------------
+BEGIN_DATADESC( C_NPC_Manhack )
+
+//	DEFINE_SOUNDPATCH( m_pEngineSound1 ),
+//	DEFINE_SOUNDPATCH( m_pEngineSound2 ),
+//	DEFINE_SOUNDPATCH( m_pBladeSound ),
+
+//	DEFINE_FIELD( m_nEnginePitch1, FIELD_INTEGER ),
+//	DEFINE_FIELD( m_nEnginePitch2, FIELD_INTEGER ),
+//	DEFINE_FIELD( m_flEnginePitch1Time, FIELD_FLOAT ),
+//	DEFINE_FIELD( m_flEnginePitch2Time, FIELD_FLOAT ),
+
+END_DATADESC()
+
+
+//-----------------------------------------------------------------------------
+// Networking
+//-----------------------------------------------------------------------------
+IMPLEMENT_CLIENTCLASS_DT(C_NPC_Manhack, DT_NPC_Manhack, CNPC_Manhack)
+	RecvPropIntWithMinusOneFlag(RECVINFO(m_nEnginePitch1)),
+	RecvPropFloat(RECVINFO(m_flEnginePitch1Time)),
+	RecvPropIntWithMinusOneFlag(RECVINFO(m_nEnginePitch2)),
+	RecvPropFloat(RECVINFO(m_flEnginePitch2Time)),
+END_RECV_TABLE()
+
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Start the manhack's engine sound.
+//-----------------------------------------------------------------------------
+void C_NPC_Manhack::OnDataChanged( DataUpdateType_t type )
+{
+	BaseClass::OnDataChanged( type );
+
+	if (( m_nEnginePitch1 < 0 ) || ( m_nEnginePitch2 < 0 ) )
+	{
+		SoundShutdown();
+	}
+	else
+	{
+		SoundInit();
+		if ( m_pEngineSound1 && m_pEngineSound2 )
+		{
+			float dt = ( m_flEnginePitch1Time >= gpGlobals->curtime ) ? m_flEnginePitch1Time - gpGlobals->curtime : 0.0f;
+			CSoundEnvelopeController::GetController().SoundChangePitch( m_pEngineSound1, m_nEnginePitch1, dt );
+			dt = ( m_flEnginePitch2Time >= gpGlobals->curtime ) ? m_flEnginePitch2Time - gpGlobals->curtime : 0.0f;
+			CSoundEnvelopeController::GetController().SoundChangePitch( m_pEngineSound2, m_nEnginePitch2, dt );
+		}
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Restore
+//-----------------------------------------------------------------------------
+void C_NPC_Manhack::OnRestore()
+{
+	BaseClass::OnRestore();
+	SoundInit();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Start the manhack's engine sound.
+//-----------------------------------------------------------------------------
+void C_NPC_Manhack::UpdateOnRemove( void )
+{
+	BaseClass::UpdateOnRemove();
+	SoundShutdown();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Start the manhack's engine sound.
+//-----------------------------------------------------------------------------
+void C_NPC_Manhack::SoundInit( void )
+{
+	if (( m_nEnginePitch1 < 0 ) || ( m_nEnginePitch2 < 0 ) )
+		return;
+
+	// play an engine start sound!!
+	CPASAttenuationFilter filter( this );
+
+	// Bring up the engine looping sound.
+	if( !m_pEngineSound1 )
+	{
+		m_pEngineSound1 = CSoundEnvelopeController::GetController().SoundCreate( filter, entindex(), "NPC_Manhack.EngineSound1" );
+		CSoundEnvelopeController::GetController().Play( m_pEngineSound1, 0.0, m_nEnginePitch1 );
+		CSoundEnvelopeController::GetController().SoundChangeVolume( m_pEngineSound1, 0.7, 2.0 );
+	}
+
+	if( !m_pEngineSound2 )
+	{
+		m_pEngineSound2 = CSoundEnvelopeController::GetController().SoundCreate( filter, entindex(), "NPC_Manhack.EngineSound2" );
+		CSoundEnvelopeController::GetController().Play( m_pEngineSound2, 0.0, m_nEnginePitch2 );
+		CSoundEnvelopeController::GetController().SoundChangeVolume( m_pEngineSound2, 0.7, 2.0 );
+	}
+
+	if( !m_pBladeSound )
+	{
+		m_pBladeSound = CSoundEnvelopeController::GetController().SoundCreate( filter, entindex(), "NPC_Manhack.BladeSound" );
+		CSoundEnvelopeController::GetController().Play( m_pBladeSound, 0.0, m_nEnginePitch1 );
+		CSoundEnvelopeController::GetController().SoundChangeVolume( m_pBladeSound, 0.7, 2.0 );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void C_NPC_Manhack::SoundShutdown(void)
+{
+	// Kill the engine!
+	if ( m_pEngineSound1 )
+	{
+		CSoundEnvelopeController::GetController().SoundDestroy( m_pEngineSound1 );
+		m_pEngineSound1 = NULL;
+	}
+
+	// Kill the engine!
+	if ( m_pEngineSound2 )
+	{
+		CSoundEnvelopeController::GetController().SoundDestroy( m_pEngineSound2 );
+		m_pEngineSound2 = NULL;
+	}
+
+	// Kill the blade!
+	if ( m_pBladeSound )
+	{
+		CSoundEnvelopeController::GetController().SoundDestroy( m_pBladeSound );
+		m_pBladeSound = NULL;
+	}
+}
+