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game/server/hl2/trigger_super_armor.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Spawn and use functions for editor-placed triggers.
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "triggers.h"
+#include "soundenvelope.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+ConVar	sk_max_super_armor( "sk_max_super_armor","500");
+
+#define MAX_SUPER_ARMOR		sk_max_super_armor.GetInt()	
+
+
+//-----------------------------------------------------------------------------
+// Trigger that bestows super armor
+//-----------------------------------------------------------------------------
+class CTriggerSuperArmor : public CTriggerMultiple
+{
+	DECLARE_CLASS( CTriggerSuperArmor, CTriggerMultiple );
+	DECLARE_DATADESC();
+
+public:
+
+	virtual void StartTouch( CBaseEntity *pOther );
+	virtual void EndTouch( CBaseEntity *pOther );
+	
+private:
+
+	virtual void Precache();
+	virtual void Spawn( void );
+	void StartLoopingSounds( CBaseEntity *pEntity );
+	void StopLoopingSounds();
+	void RechargeThink();
+
+	CSoundPatch *m_pChargingSound;
+	float m_flLoopingSoundTime;
+};
+
+
+LINK_ENTITY_TO_CLASS( trigger_super_armor, CTriggerSuperArmor );
+
+BEGIN_DATADESC( CTriggerSuperArmor )
+
+	DEFINE_SOUNDPATCH( m_pChargingSound ),
+	DEFINE_FIELD( m_flLoopingSoundTime, FIELD_TIME ),
+	
+	DEFINE_THINKFUNC( RechargeThink ),
+
+END_DATADESC()
+
+
+static const char *s_pRechargeThinkContext = "RechargeThink";
+
+
+void CTriggerSuperAmmor::Precache()
+{
+	BaseClass::Precache();
+
+	PrecacheScriptSound( "TriggerSuperArmor.StartCharging" );
+	PrecacheScriptSound( "TriggerSuperArmor.DoneCharging" );
+
+	PrecacheScriptSound( "TriggerSuperArmor.Charging" );
+}
+
+//-----------------------------------------------------------------------------
+// No retrigger
+//-----------------------------------------------------------------------------
+void CTriggerSuperArmor::Spawn( void )
+{
+	Precache();
+
+	BaseClass::Spawn();
+}
+
+
+//-----------------------------------------------------------------------------
+// Starts looping sounds
+//-----------------------------------------------------------------------------
+void CTriggerSuperArmor::StartLoopingSounds( CBaseEntity *pEntity )
+{
+	if ( m_pChargingSound )
+		return;
+
+	CReliableBroadcastRecipientFilter filter;
+	CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
+	m_pChargingSound = controller.SoundCreate( filter, pEntity->entindex(), "TriggerSuperArmor.Charging" );
+}
+
+
+//-----------------------------------------------------------------------------
+// Stops looping sounds
+//-----------------------------------------------------------------------------
+void CTriggerSuperArmor::StopLoopingSounds()
+{
+	if ( m_pChargingSound )
+	{
+		CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
+		controller.SoundDestroy( m_pChargingSound );
+		m_pChargingSound = NULL;
+	}
+
+	BaseClass::StopLoopingSounds();
+}
+
+	
+//-----------------------------------------------------------------------------
+// Begins super-powering the entities
+//-----------------------------------------------------------------------------
+void CTriggerSuperArmor::StartTouch( CBaseEntity *pOther )
+{
+	BaseClass::StartTouch( pOther );
+
+	if ( !pOther->IsPlayer() )
+		return;
+
+	if ( m_hTouchingEntities.Count() == 1 )
+	{
+		SetContextThink( RechargeThink, gpGlobals->curtime + 0.01f, s_pRechargeThinkContext );
+		pOther->EmitSound( "TriggerSuperArmor.StartCharging" );
+		m_flLoopingSoundTime = 0.56f + gpGlobals->curtime;
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Ends super-powerings the entities
+//-----------------------------------------------------------------------------
+void CTriggerSuperArmor::EndTouch( CBaseEntity *pOther )
+{
+	BaseClass::EndTouch( pOther );
+
+	if ( !pOther->IsPlayer() )
+		return;
+
+	if ( m_hTouchingEntities.Count() == 0 )
+	{
+		StopLoopingSounds();
+		SetContextThink( NULL, gpGlobals->curtime + 0.01f, s_pRechargeThinkContext );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Super-powers the entities
+//-----------------------------------------------------------------------------
+void CTriggerSuperArmor::RechargeThink()
+{
+	Assert( m_hTouchingEntities.Count() == 1 );
+	for ( int i = m_hTouchingEntities.Count(); --i >= 0; )
+	{
+		CBasePlayer *pPlayer = assert_cast<CBasePlayer*>( m_hTouchingEntities[i].Get() );
+
+		if (( pPlayer->ArmorValue() < MAX_SUPER_ARMOR ) || ( pPlayer->GetHealth() < 100 ))
+		{
+			pPlayer->TakeHealth( 5, DMG_GENERIC );
+			pPlayer->IncrementArmorValue( 15, MAX_SUPER_ARMOR );
+
+			if ( pPlayer->ArmorValue() >= MAX_SUPER_ARMOR )
+			{
+				pPlayer->EmitSound( "TriggerSuperArmor.DoneCharging" );
+				StopLoopingSounds();
+			}
+			else
+			{
+				if ( m_flLoopingSoundTime < gpGlobals->curtime )
+				{
+					StartLoopingSounds( m_hTouchingEntities[i] );
+				}
+			}
+		}
+	}
+
+	SetContextThink( RechargeThink, gpGlobals->curtime + 0.1f, s_pRechargeThinkContext );
+}