server: restructurized source code from triggers.cpp

server/entities/conveyor_setspeed.cpp

@@ -0,0 +1,118 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+
+#include "conveyor_setspeed.h"
+
+LINK_ENTITY_TO_CLASS( conveyor_setspeed, CConveyorSetSpeed );
+
+// Global Savedata for train speed modifier
+BEGIN_DATADESC( CConveyorSetSpeed )
+	DEFINE_KEYFIELD( m_flTime, FIELD_FLOAT, "time" ),
+	DEFINE_FUNCTION( UpdateSpeed ),
+END_DATADESC()
+
+// Sets toucher's friction to m_frictionFraction (1.0 = normal friction)
+void CConveyorSetSpeed :: KeyValue( KeyValueData *pkvd )
+{
+	if( FStrEq( pkvd->szKeyName, "time" ))
+	{
+		m_flTime = Q_atof( pkvd->szValue );
+		pkvd->fHandled = TRUE;
+	}
+	else
+		CBaseEntity::KeyValue( pkvd );
+}
+
+void CConveyorSetSpeed :: Spawn( void )
+{
+	m_iState = STATE_OFF;
+	m_hActivator = NULL;
+	pev->speed = bound( -10000.0f, pev->speed, 10000.0f );
+}
+
+BOOL CConveyorSetSpeed :: EvaluateSpeed( BOOL bStartup )
+{
+	CBaseEntity *pEntity = NULL;
+	int affected_conveyors = 0;
+	int finished_conveyors = 0;
+
+	while(( pEntity = UTIL_FindEntityByTargetname( pEntity, STRING( pev->target ), m_hActivator )) != NULL )
+	{
+		if( !FClassnameIs( pEntity->pev, "func_transporter" ) )
+			continue;
+
+		if( bStartup )
+		{
+			pEntity->pev->frags = pev->speed - pEntity->pev->speed;
+			pEntity->pev->dmg_inflictor = edict();
+			continue;
+		}
+
+		if( m_flTime > 0 && pEntity->pev->dmg_inflictor != edict( ))
+			continue;	// owned by another set speed
+
+		if( fabs( pev->speed - pEntity->pev->speed ) <= 1.0f || m_flTime <= 0 )
+		{
+			if( FBitSet( pev->spawnflags, SF_CONVSPEED_DEBUG ) && pev->speed != pEntity->pev->speed )
+				ALERT( at_console, "conveyor_setspeed: %s target speed %g, curspeed %g\n", GetTargetname(), pev->speed, pEntity->pev->speed );
+			pEntity->Use( this, this, USE_SET, pev->speed );
+			pEntity->pev->dmg_inflictor = NULL; // done
+			finished_conveyors++;
+		}
+		else
+		{
+			float flInterval = pEntity->pev->frags / ( m_flTime / 0.1 ); // nextthink 0.1
+			pEntity->Use( this, this, USE_SET, pEntity->pev->speed + flInterval );
+			if( FBitSet( pev->spawnflags, SF_CONVSPEED_DEBUG ))
+				ALERT( at_console, "conveyor_setspeed: %s target speed %g, curspeed %g\n", GetTargetname(), pev->speed, pEntity->pev->speed );
+		}
+		affected_conveyors++;
+	}
+
+	return (affected_conveyors != finished_conveyors);
+}
+
+void CConveyorSetSpeed :: Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
+{
+	if( m_iState == STATE_ON )
+		return;	// entity in work
+
+	m_hActivator = pActivator;
+
+	if( m_flTime > 0 )
+	{
+		EvaluateSpeed( TRUE );
+		SetThink( &CConveyorSetSpeed :: UpdateSpeed );
+		m_iState = STATE_ON;
+		SetNextThink( 0.1 );
+	}
+	else
+	{
+		EvaluateSpeed( FALSE );
+	}
+}
+
+void CConveyorSetSpeed :: UpdateSpeed( void )
+{
+	if( !EvaluateSpeed( FALSE ))
+	{
+		if( FBitSet( pev->spawnflags, SF_CONVSPEED_DEBUG ))
+			ALERT( at_console, "conveyor_setspeed: %s is done\n", GetTargetname( ));
+		m_iState = STATE_OFF;
+		return; // finished
+          }
+
+	SetNextThink( 0.1 );	
+}

server/entities/conveyor_setspeed.h

@@ -0,0 +1,38 @@
+/***
+*
+*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
+*	
+*	This product contains software technology licensed from Id 
+*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
+*	All Rights Reserved.
+*
+*   Use, distribution, and modification of this source code and/or resulting
+*   object code is restricted to non-commercial enhancements to products from
+*   Valve LLC.  All other use, distribution, or modification is prohibited
+*   without written permission from Valve LLC.
+*
+****/
+
+#pragma once
+#include "extdll.h"
+#include "util.h"
+#include "cbase.h"
+
+#define SF_CONVSPEED_DEBUG		BIT( 0 )
+
+class CConveyorSetSpeed : public CBaseDelay
+{
+	DECLARE_CLASS( CConveyorSetSpeed, CBaseDelay );
+public:
+	void		Spawn( void );
+	void		KeyValue( KeyValueData *pkvd );
+	BOOL		EvaluateSpeed( BOOL bStartup );
+	void 		UpdateSpeed( void );
+	virtual int	ObjectCaps( void ) { return CBaseEntity :: ObjectCaps() & ~FCAP_ACROSS_TRANSITION; }
+	virtual void	Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+	virtual STATE	GetState( void ) { return m_iState; }
+
+	DECLARE_DATADESC();
+
+	float		m_flTime;
+};