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game/server/tf2/tf_func_construction_yard.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include "cbase.h"
+#include "tf_func_construction_yard.h"
+#include "tf_team.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Defines an area from which resources can be collected
+//-----------------------------------------------------------------------------
+class CFuncConstructionYard : public CBaseEntity
+{
+	DECLARE_CLASS( CFuncConstructionYard, CBaseEntity );
+public:
+	CFuncConstructionYard();
+
+	DECLARE_DATADESC();
+	DECLARE_SERVERCLASS();
+
+	virtual void Spawn( void );
+	virtual void UpdateOnRemove( void );
+	virtual void Precache( void );
+	virtual void Activate( void );
+
+	// Inputs
+	void	InputSetActive( inputdata_t &inputdata );
+	void	InputSetInactive( inputdata_t &inputdata );
+	void	InputToggleActive( inputdata_t &inputdata );
+
+	void	SetActive( bool bActive );
+	bool	GetActive() const;
+
+	bool	IsEmpty( void );
+	bool	PointIsWithin( const Vector &vecPoint );
+
+	// need to transmit to players who are in commander mode
+	int		UpdateTransmitState() { return SetTransmitState( FL_EDICT_FULLCHECK); }
+	int 	ShouldTransmit( const CCheckTransmitInfo *pInfo );
+
+private:
+	bool m_bActive;
+};
+
+LINK_ENTITY_TO_CLASS( func_construction_yard, CFuncConstructionYard);
+
+BEGIN_DATADESC( CFuncConstructionYard )
+
+	DEFINE_INPUTFUNC( FIELD_VOID, "SetActive", InputSetActive ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "SetInactive", InputSetInactive ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "ToggleActive", InputToggleActive ),
+
+END_DATADESC()
+
+
+IMPLEMENT_SERVERCLASS_ST(CFuncConstructionYard, DT_FuncConstructionYard)
+END_SEND_TABLE();
+
+PRECACHE_REGISTER( func_construction_yard );
+
+// List of construction yards for fast lookup
+typedef CHandle<CFuncConstructionYard>	YardHandle;
+CUtlVector< YardHandle >	g_hConstructionYards;
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CFuncConstructionYard::CFuncConstructionYard()
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Initializes the resource zone
+//-----------------------------------------------------------------------------
+void CFuncConstructionYard::Spawn( void )
+{
+	SetSolid( SOLID_BSP );
+	AddSolidFlags( FSOLID_TRIGGER );
+	SetMoveType( MOVETYPE_NONE );
+	AddEffects( EF_NODRAW );
+	SetModel( STRING( GetModelName() ) );
+	m_bActive = false;
+
+	YardHandle hYard;
+	hYard = this;
+	g_hConstructionYards.AddToTail( hYard );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFuncConstructionYard::UpdateOnRemove( void )
+{
+	YardHandle hYard;
+	hYard = this;
+	g_hConstructionYards.FindAndRemove( hYard );
+
+	BaseClass::UpdateOnRemove();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFuncConstructionYard::Precache( void )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: See if we've got a gather point specified 
+//-----------------------------------------------------------------------------
+void CFuncConstructionYard::Activate( void )
+{
+	BaseClass::Activate();
+	SetActive( true );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFuncConstructionYard::InputSetActive( inputdata_t &inputdata )
+{
+	SetActive( true );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFuncConstructionYard::InputSetInactive( inputdata_t &inputdata )
+{
+	SetActive( false );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFuncConstructionYard::InputToggleActive( inputdata_t &inputdata )
+{
+	if ( m_bActive )
+	{
+		SetActive( false );
+	}
+	else
+	{
+		SetActive( true );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFuncConstructionYard::SetActive( bool bActive )
+{
+	m_bActive = bActive;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+bool CFuncConstructionYard::GetActive() const
+{
+	return m_bActive;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Return true if the specified point is within this zone
+//-----------------------------------------------------------------------------
+bool CFuncConstructionYard::PointIsWithin( const Vector &vecPoint )
+{
+	return CollisionProp()->IsPointInBounds( vecPoint );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Transmit this to all players who are in commander mode
+//-----------------------------------------------------------------------------
+int CFuncConstructionYard::ShouldTransmit( const CCheckTransmitInfo *pInfo )
+{
+	// Team rules may tell us that we should
+	CBaseEntity* pRecipientEntity = CBaseEntity::Instance( pInfo->m_pClientEnt );
+	Assert( pRecipientEntity->IsPlayer() );
+	
+	CBasePlayer *pPlayer = (CBasePlayer*)pRecipientEntity;
+	if ( pPlayer->GetTeam() )
+	{
+		if (pPlayer->GetTeam()->ShouldTransmitToPlayer( pPlayer, this ))
+			return FL_EDICT_ALWAYS;
+	}
+	
+	return FL_EDICT_DONTSEND;
+}
+
+
+//-----------------------------------------------------------------------------
+// Does a construction yard (or lack of one) prevent us from building?
+//-----------------------------------------------------------------------------
+bool PointInConstructionYard( const Vector &vecBuildOrigin )
+{
+	// Find out whether we're in a construction yard or not
+	for ( int i = 0; i < g_hConstructionYards.Count(); i++ )
+	{
+		CFuncConstructionYard *pYard = g_hConstructionYards[i];
+		if ( pYard && pYard->PointIsWithin( vecBuildOrigin ) )
+			return true;
+	}
+
+	return false;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+bool ConstructionYardPreventsBuild( CBaseObject *pObject, const Vector &vecBuildOrigin )
+{
+	bool bMustBuildInYard = pObject->MustBeBuiltInConstructionYard();
+
+	// Find out whether we're in a resource zone or not
+	if( PointInConstructionYard( vecBuildOrigin ) )
+	{
+		if( !pObject->MustNotBeBuiltInConstructionYard() )
+			return false;		// An object that must be built in a yard is in a yard.
+		else
+			return true;		// An object that can't be built in a yard is in a yard.
+	}
+
+	// If we have to be built in a construction yard, we're not in one
+	if ( bMustBuildInYard )
+		return true;
+
+	return false;
+}