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game/server/tf/func_no_build.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include "cbase.h"
+#include "func_no_build.h"
+#include "tf_team.h"
+#include "ndebugoverlay.h"
+#include "tf_obj.h"
+#include "triggers.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+DECLARE_AUTO_LIST( IFuncNoBuildAutoList );
+
+//-----------------------------------------------------------------------------
+// Purpose: Defines an area where objects cannot be built
+//-----------------------------------------------------------------------------
+class CFuncNoBuild : public CBaseTrigger, public IFuncNoBuildAutoList
+{
+	DECLARE_CLASS( CFuncNoBuild, CBaseTrigger );
+public:
+	CFuncNoBuild();
+
+	DECLARE_DATADESC();
+
+	virtual void Spawn( 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	PreventsBuildOf( int iObjectType );
+private:
+	bool	m_bActive;
+
+	bool		m_bAllowSentry;
+	bool		m_bAllowDispenser;
+	bool		m_bAllowTeleporters;
+};
+
+LINK_ENTITY_TO_CLASS( func_nobuild, CFuncNoBuild);
+
+BEGIN_DATADESC( CFuncNoBuild )
+
+	// inputs
+	DEFINE_INPUTFUNC( FIELD_VOID, "SetActive", InputSetActive ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "SetInactive", InputSetInactive ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "ToggleActive", InputToggleActive ),
+
+	DEFINE_KEYFIELD( m_bAllowSentry, FIELD_BOOLEAN, "AllowSentry" ),
+	DEFINE_KEYFIELD( m_bAllowDispenser, FIELD_BOOLEAN, "AllowDispenser" ),
+	DEFINE_KEYFIELD( m_bAllowTeleporters, FIELD_BOOLEAN, "AllowTeleporters" ),
+	
+END_DATADESC()
+
+
+PRECACHE_REGISTER( func_nobuild );
+
+IMPLEMENT_AUTO_LIST( IFuncNoBuildAutoList );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CFuncNoBuild::CFuncNoBuild()
+	: m_bAllowSentry( false )
+	, m_bAllowDispenser( false )
+	, m_bAllowTeleporters( false )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Initializes the resource zone
+//-----------------------------------------------------------------------------
+void CFuncNoBuild::Spawn( void )
+{
+	BaseClass::Spawn();
+	InitTrigger();
+
+	m_bActive = true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFuncNoBuild::Precache( void )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFuncNoBuild::Activate( void )
+{
+	BaseClass::Activate();
+	SetActive( true );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFuncNoBuild::InputSetActive( inputdata_t &inputdata )
+{
+	SetActive( true );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFuncNoBuild::InputSetInactive( inputdata_t &inputdata )
+{
+	SetActive( false );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFuncNoBuild::InputToggleActive( inputdata_t &inputdata )
+{
+	if ( m_bActive )
+	{
+		SetActive( false );
+	}
+	else
+	{
+		SetActive( true );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CFuncNoBuild::SetActive( bool bActive )
+{
+	m_bActive = bActive;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+bool CFuncNoBuild::GetActive() const
+{
+	return m_bActive;
+}
+
+bool CFuncNoBuild::PreventsBuildOf( int iObjectType )
+{
+	if ( iObjectType == OBJ_SENTRYGUN && m_bAllowSentry )
+		return false;
+
+	if ( iObjectType == OBJ_DISPENSER && m_bAllowDispenser )
+		return false;
+
+	if ( iObjectType == OBJ_TELEPORTER && m_bAllowTeleporters )
+		return false;
+
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Does a nobuild zone prevent us from building?
+//-----------------------------------------------------------------------------
+bool PointInNoBuild( const Vector &vecBuildOrigin, const CBaseObject* pObj )
+{
+	Assert( pObj );
+	if ( !pObj )
+		return false;
+
+	for ( int i = 0; i < IFuncNoBuildAutoList::AutoList().Count(); ++i )
+	{
+		CFuncNoBuild *pNoBuild = static_cast< CFuncNoBuild* >( IFuncNoBuildAutoList::AutoList()[i] );
+
+		// Are we within this no build?
+		if ( pNoBuild->GetActive()
+			 && pNoBuild->PointIsWithin( vecBuildOrigin )
+			 && pNoBuild->PreventsBuildOf( pObj->GetType() ) )
+		{
+			// See if this ent's on the team we're set to deny
+			int nDenyTeam = pNoBuild->GetTeamNumber();
+			if ( !nDenyTeam || nDenyTeam == pObj->GetTeamNumber() )
+				return true;
+		}
+	}
+
+	return false; // Building should be ok.
+}