/***
*
*	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 "extdll.h"
#include "util.h"
#include "cbase.h"
#include "monsters.h"
#include "customentity.h"
#include "effects.h"
#include "weapons.h"
#include "decals.h"
#include "func_break.h"
#include "shake.h"

#define	SF_GIBSHOOTER_REPEATABLE		1 // allows a gibshooter to be refired

#define SF_FUNNEL_REVERSE			1 // funnel effect repels particles instead of attracting them.

// Lightning target, just alias landmark
LINK_ENTITY_TO_CLASS( info_target, CPointEntity )

class CBubbling : public CBaseEntity
{
public:
	void Spawn( void );
	void Precache( void );
	void KeyValue( KeyValueData *pkvd );

	void EXPORT FizzThink( void );
	void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );

	virtual int Save( CSave &save );
	virtual int Restore( CRestore &restore );
	virtual int ObjectCaps( void ) { return CBaseEntity::ObjectCaps() & ~FCAP_ACROSS_TRANSITION; }
	static TYPEDESCRIPTION m_SaveData[];

	int m_density;
	int m_frequency;
	int m_bubbleModel;
	int m_state;
};

LINK_ENTITY_TO_CLASS( env_bubbles, CBubbling )

TYPEDESCRIPTION	CBubbling::m_SaveData[] =
{
	DEFINE_FIELD( CBubbling, m_density, FIELD_INTEGER ),
	DEFINE_FIELD( CBubbling, m_frequency, FIELD_INTEGER ),
	DEFINE_FIELD( CBubbling, m_state, FIELD_INTEGER ),
	// Let spawn restore this!
	//DEFINE_FIELD( CBubbling, m_bubbleModel, FIELD_INTEGER ),
};

IMPLEMENT_SAVERESTORE( CBubbling, CBaseEntity )

#define SF_BUBBLES_STARTOFF		0x0001

void CBubbling::Spawn( void )
{
	Precache();
	SET_MODEL( ENT( pev ), STRING( pev->model ) );		// Set size

	pev->solid = SOLID_NOT;							// Remove model & collisions
	pev->renderamt = 0;								// The engine won't draw this model if this is set to 0 and blending is on
	pev->rendermode = kRenderTransTexture;
	int speed = pev->speed > 0 ? pev->speed : -pev->speed;

	// HACKHACK!!! - Speed in rendercolor
	pev->rendercolor.x = speed >> 8;
	pev->rendercolor.y = speed & 255;
	pev->rendercolor.z = ( pev->speed < 0 ) ? 1 : 0;

	if( !( pev->spawnflags & SF_BUBBLES_STARTOFF ) )
	{
		SetThink( &CBubbling::FizzThink );
		pev->nextthink = gpGlobals->time + 2.0;
		m_state = 1;
	}
	else 
		m_state = 0;
}

void CBubbling::Precache( void )
{
	m_bubbleModel = PRECACHE_MODEL( "sprites/bubble.spr" );			// Precache bubble sprite
}

void CBubbling::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	if( ShouldToggle( useType, m_state ) )
		m_state = !m_state;

	if( m_state )
	{
		SetThink( &CBubbling::FizzThink );
		pev->nextthink = gpGlobals->time + 0.1;
	}
	else
	{
		SetThink( NULL );
		pev->nextthink = 0;
	}
}

void CBubbling::KeyValue( KeyValueData *pkvd )
{
	if( FStrEq( pkvd->szKeyName, "density" ) )
	{
		m_density = atoi( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "frequency" ) )
	{
		m_frequency = atoi( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "current" ) )
	{
		pev->speed = atoi( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else
		CBaseEntity::KeyValue( pkvd );
}

void CBubbling::FizzThink( void )
{
	MESSAGE_BEGIN( MSG_PAS, SVC_TEMPENTITY, VecBModelOrigin( pev ) );
		WRITE_BYTE( TE_FIZZ );
		WRITE_SHORT( (short)ENTINDEX( edict() ) );
		WRITE_SHORT( (short)m_bubbleModel );
		WRITE_BYTE( m_density );
	MESSAGE_END();

	if( m_frequency > 19 )
		pev->nextthink = gpGlobals->time + 0.5;
	else
		pev->nextthink = gpGlobals->time + 2.5 - ( 0.1 * m_frequency );
}

// --------------------------------------------------
// 
// Beams
//
// --------------------------------------------------

LINK_ENTITY_TO_CLASS( beam, CBeam )

void CBeam::Spawn( void )
{
	pev->solid = SOLID_NOT;							// Remove model & collisions
	Precache();
}

void CBeam::Precache( void )
{
	if( pev->owner )
		SetStartEntity( ENTINDEX( pev->owner ) );
	if( pev->aiment )
		SetEndEntity( ENTINDEX( pev->aiment ) );
}

void CBeam::SetStartEntity( int entityIndex )
{ 
	pev->sequence = ( entityIndex & 0x0FFF ) | ( ( pev->sequence & 0xF000 ) << 12 ); 
	pev->owner = g_engfuncs.pfnPEntityOfEntIndex( entityIndex );
}

void CBeam::SetEndEntity( int entityIndex )
{ 
	pev->skin = ( entityIndex & 0x0FFF ) | ( ( pev->skin & 0xF000 ) << 12 ); 
	pev->aiment = g_engfuncs.pfnPEntityOfEntIndex( entityIndex );
}

// These don't take attachments into account
const Vector &CBeam::GetStartPos( void )
{
	if( GetType() == BEAM_ENTS )
	{
		edict_t *pent =  g_engfuncs.pfnPEntityOfEntIndex( GetStartEntity() );
		return pent->v.origin;
	}
	return pev->origin;
}

const Vector &CBeam::GetEndPos( void )
{
	int type = GetType();
	if( type == BEAM_POINTS || type == BEAM_HOSE )
	{
		return pev->angles;
	}

	edict_t *pent =  g_engfuncs.pfnPEntityOfEntIndex( GetEndEntity() );
	if( pent )
		return pent->v.origin;
	return pev->angles;
}

CBeam *CBeam::BeamCreate( const char *pSpriteName, int width )
{
	// Create a new entity with CBeam private data
	CBeam *pBeam = GetClassPtr( (CBeam *)NULL );
	pBeam->pev->classname = MAKE_STRING( "beam" );

	pBeam->BeamInit( pSpriteName, width );

	return pBeam;
}

void CBeam::BeamInit( const char *pSpriteName, int width )
{
	pev->flags |= FL_CUSTOMENTITY;
	SetColor( 255, 255, 255 );
	SetBrightness( 255 );
	SetNoise( 0 );
	SetFrame( 0 );
	SetScrollRate( 0 );
	pev->model = MAKE_STRING( pSpriteName );
	SetTexture( PRECACHE_MODEL( (char *)pSpriteName ) );
	SetWidth( width );
	pev->skin = 0;
	pev->sequence = 0;
	pev->rendermode = 0;
}

void CBeam::PointsInit( const Vector &start, const Vector &end )
{
	SetType( BEAM_POINTS );
	SetStartPos( start );
	SetEndPos( end );
	SetStartAttachment( 0 );
	SetEndAttachment( 0 );
	RelinkBeam();
}

void CBeam::HoseInit( const Vector &start, const Vector &direction )
{
	SetType( BEAM_HOSE );
	SetStartPos( start );
	SetEndPos( direction );
	SetStartAttachment( 0 );
	SetEndAttachment( 0 );
	RelinkBeam();
}

void CBeam::PointEntInit( const Vector &start, int endIndex )
{
	SetType( BEAM_ENTPOINT );
	SetStartPos( start );
	SetEndEntity( endIndex );
	SetStartAttachment( 0 );
	SetEndAttachment( 0 );
	RelinkBeam();
}

void CBeam::EntsInit( int startIndex, int endIndex )
{
	SetType( BEAM_ENTS );
	SetStartEntity( startIndex );
	SetEndEntity( endIndex );
	SetStartAttachment( 0 );
	SetEndAttachment( 0 );
	RelinkBeam();
}

void CBeam::RelinkBeam( void )
{
	const Vector &startPos = GetStartPos(), &endPos = GetEndPos();

	pev->mins.x = min( startPos.x, endPos.x );
	pev->mins.y = min( startPos.y, endPos.y );
	pev->mins.z = min( startPos.z, endPos.z );
	pev->maxs.x = max( startPos.x, endPos.x );
	pev->maxs.y = max( startPos.y, endPos.y );
	pev->maxs.z = max( startPos.z, endPos.z );
	pev->mins = pev->mins - pev->origin;
	pev->maxs = pev->maxs - pev->origin;

	UTIL_SetSize( pev, pev->mins, pev->maxs );
	UTIL_SetOrigin( pev, pev->origin );
}

#if 0
void CBeam::SetObjectCollisionBox( void )
{
	const Vector &startPos = GetStartPos(), &endPos = GetEndPos();

	pev->absmin.x = min( startPos.x, endPos.x );
	pev->absmin.y = min( startPos.y, endPos.y );
	pev->absmin.z = min( startPos.z, endPos.z );
	pev->absmax.x = max( startPos.x, endPos.x );
	pev->absmax.y = max( startPos.y, endPos.y );
	pev->absmax.z = max( startPos.z, endPos.z );
}
#endif

void CBeam::TriggerTouch( CBaseEntity *pOther )
{
	if( pOther->pev->flags & ( FL_CLIENT | FL_MONSTER ) )
	{
		if( pev->owner )
		{
			CBaseEntity *pOwner = CBaseEntity::Instance( pev->owner );
			pOwner->Use( pOther, this, USE_TOGGLE, 0 );
		}
		ALERT( at_console, "Firing targets!!!\n" );
	}
}

CBaseEntity *CBeam::RandomTargetname( const char *szName )
{
	int total = 0;

	CBaseEntity *pEntity = NULL;
	CBaseEntity *pNewEntity = NULL;
	while( ( pNewEntity = UTIL_FindEntityByTargetname( pNewEntity, szName ) ) != NULL )
	{
		total++;
		if( RANDOM_LONG( 0, total - 1 ) < 1 )
			pEntity = pNewEntity;
	}
	return pEntity;
}

void CBeam::DoSparks( const Vector &start, const Vector &end )
{
	if( pev->spawnflags & ( SF_BEAM_SPARKSTART | SF_BEAM_SPARKEND ) )
	{
		if( pev->spawnflags & SF_BEAM_SPARKSTART )
		{
			UTIL_Sparks( start );
		}
		if( pev->spawnflags & SF_BEAM_SPARKEND )
		{
			UTIL_Sparks( end );
		}
	}
}

class CLightning : public CBeam
{
public:
	void Spawn( void );
	void Precache( void );
	void KeyValue( KeyValueData *pkvd );
	void Activate( void );

	void EXPORT StrikeThink( void );
	void EXPORT DamageThink( void );
	void RandomArea( void );
	void RandomPoint( Vector &vecSrc );
	void Zap( const Vector &vecSrc, const Vector &vecDest );
	void EXPORT StrikeUse( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
	void EXPORT ToggleUse( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
	
	inline BOOL ServerSide( void )
	{
		if( m_life == 0 && !( pev->spawnflags & SF_BEAM_RING ) )
			return TRUE;
		return FALSE;
	}

	virtual int Save( CSave &save );
	virtual int Restore( CRestore &restore );
	static TYPEDESCRIPTION m_SaveData[];

	void BeamUpdateVars( void );

	int	m_active;
	int	m_iszStartEntity;
	int	m_iszEndEntity;
	float	m_life;
	int	m_boltWidth;
	int	m_noiseAmplitude;
	int	m_brightness;
	int	m_speed;
	float	m_restrike;
	int	m_spriteTexture;
	int	m_iszSpriteName;
	int	m_frameStart;

	float	m_radius;
};

LINK_ENTITY_TO_CLASS( env_lightning, CLightning )
LINK_ENTITY_TO_CLASS( env_beam, CLightning )

// UNDONE: Jay -- This is only a test
#if _DEBUG
class CTripBeam : public CLightning
{
	void Spawn( void );
};

LINK_ENTITY_TO_CLASS( trip_beam, CTripBeam )

void CTripBeam::Spawn( void )
{
	CLightning::Spawn();
	SetTouch( &TriggerTouch );
	pev->solid = SOLID_TRIGGER;
	RelinkBeam();
}
#endif

TYPEDESCRIPTION	CLightning::m_SaveData[] =
{
	DEFINE_FIELD( CLightning, m_active, FIELD_INTEGER ),
	DEFINE_FIELD( CLightning, m_iszStartEntity, FIELD_STRING ),
	DEFINE_FIELD( CLightning, m_iszEndEntity, FIELD_STRING ),
	DEFINE_FIELD( CLightning, m_life, FIELD_FLOAT ),
	DEFINE_FIELD( CLightning, m_boltWidth, FIELD_INTEGER ),
	DEFINE_FIELD( CLightning, m_noiseAmplitude, FIELD_INTEGER ),
	DEFINE_FIELD( CLightning, m_brightness, FIELD_INTEGER ),
	DEFINE_FIELD( CLightning, m_speed, FIELD_INTEGER ),
	DEFINE_FIELD( CLightning, m_restrike, FIELD_FLOAT ),
	DEFINE_FIELD( CLightning, m_spriteTexture, FIELD_INTEGER ),
	DEFINE_FIELD( CLightning, m_iszSpriteName, FIELD_STRING ),
	DEFINE_FIELD( CLightning, m_frameStart, FIELD_INTEGER ),
	DEFINE_FIELD( CLightning, m_radius, FIELD_FLOAT ),
};

IMPLEMENT_SAVERESTORE( CLightning, CBeam )

void CLightning::Spawn( void )
{
	if( FStringNull( m_iszSpriteName ) )
	{
		SetThink( &CBaseEntity::SUB_Remove );
		return;
	}
	pev->solid = SOLID_NOT;							// Remove model & collisions
	Precache();

	pev->dmgtime = gpGlobals->time;

	if( ServerSide() )
	{
		SetThink( NULL );
		if( pev->dmg > 0 )
		{
			SetThink( &CLightning::DamageThink );
			pev->nextthink = gpGlobals->time + 0.1;
		}
		if( pev->targetname )
		{
			if( !( pev->spawnflags & SF_BEAM_STARTON ) )
			{
				pev->effects = EF_NODRAW;
				m_active = 0;
				pev->nextthink = 0;
			}
			else
				m_active = 1;
		
			SetUse( &CLightning::ToggleUse );
		}
	}
	else
	{
		m_active = 0;
		if( !FStringNull( pev->targetname ) )
		{
			SetUse( &CLightning::StrikeUse );
		}
		if( FStringNull( pev->targetname ) || FBitSet( pev->spawnflags, SF_BEAM_STARTON ) )
		{
			SetThink( &CLightning::StrikeThink );
			pev->nextthink = gpGlobals->time + 1.0;
		}
	}
}

void CLightning::Precache( void )
{
	m_spriteTexture = PRECACHE_MODEL( (char *)STRING( m_iszSpriteName ) );
	CBeam::Precache();
}

void CLightning::Activate( void )
{
	if( ServerSide() )
		BeamUpdateVars();
}

void CLightning::KeyValue( KeyValueData *pkvd )
{
	if( FStrEq( pkvd->szKeyName, "LightningStart" ) )
	{
		m_iszStartEntity = ALLOC_STRING( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "LightningEnd" ) )
	{
		m_iszEndEntity = ALLOC_STRING( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "life" ) )
	{
		m_life = atof( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "BoltWidth" ) )
	{
		m_boltWidth = atoi( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "NoiseAmplitude" ) )
	{
		m_noiseAmplitude = atoi( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "TextureScroll" ) )
	{
		m_speed = atoi( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "StrikeTime" ) )
	{
		m_restrike = atof( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "texture" ) )
	{
		m_iszSpriteName = ALLOC_STRING( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "framestart" ) )
	{
		m_frameStart = atoi( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "Radius" ) )
	{
		m_radius = atof( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "damage" ) )
	{
		pev->dmg = atof( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else
		CBeam::KeyValue( pkvd );
}

void CLightning::ToggleUse( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	if( !ShouldToggle( useType, m_active ) )
		return;
	if( m_active )
	{
		m_active = 0;
		pev->effects |= EF_NODRAW;
		pev->nextthink = 0;
	}
	else
	{
		m_active = 1;
		pev->effects &= ~EF_NODRAW;
		DoSparks( GetStartPos(), GetEndPos() );
		if( pev->dmg > 0 )
		{
			pev->nextthink = gpGlobals->time;
			pev->dmgtime = gpGlobals->time;
		}
	}
}

void CLightning::StrikeUse( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	if( !ShouldToggle( useType, m_active ) )
		return;

	if( m_active )
	{
		m_active = 0;
		SetThink( NULL );
	}
	else
	{
		SetThink( &CLightning::StrikeThink );
		pev->nextthink = gpGlobals->time + 0.1;
	}

	if( !FBitSet( pev->spawnflags, SF_BEAM_TOGGLE ) )
		SetUse( NULL );
}

int IsPointEntity( CBaseEntity *pEnt )
{
	if( !pEnt->pev->modelindex )
		return 1;
	if( FClassnameIs( pEnt->pev, "info_target" ) || FClassnameIs( pEnt->pev, "info_landmark" ) || FClassnameIs( pEnt->pev, "path_corner" ) )
		return 1;

	return 0;
}

void CLightning::StrikeThink( void )
{
	if( m_life != 0 )
	{
		if( pev->spawnflags & SF_BEAM_RANDOM )
			pev->nextthink = gpGlobals->time + m_life + RANDOM_FLOAT( 0, m_restrike );
		else
			pev->nextthink = gpGlobals->time + m_life + m_restrike;
	}
	m_active = 1;

	if( FStringNull( m_iszEndEntity ) )
	{
		if( FStringNull( m_iszStartEntity ) )
		{
			RandomArea();
		}
		else
		{
			CBaseEntity *pStart = RandomTargetname( STRING( m_iszStartEntity ) );
			if( pStart != NULL )
				RandomPoint( pStart->pev->origin );
			else
				ALERT( at_console, "env_beam: unknown entity \"%s\"\n", STRING( m_iszStartEntity ) );
		}
		return;
	}

	CBaseEntity *pStart = RandomTargetname( STRING( m_iszStartEntity ) );
	CBaseEntity *pEnd = RandomTargetname( STRING( m_iszEndEntity ) );

	if( pStart != NULL && pEnd != NULL )
	{
		if( IsPointEntity( pStart ) || IsPointEntity( pEnd ) )
		{
			if( pev->spawnflags & SF_BEAM_RING )
			{
				// don't work
				return;
			}
		}

		MESSAGE_BEGIN( MSG_BROADCAST, SVC_TEMPENTITY );
			if( IsPointEntity( pStart ) || IsPointEntity( pEnd ) )
			{
				if( !IsPointEntity( pEnd ) )	// One point entity must be in pEnd
				{
					CBaseEntity *pTemp;
					pTemp = pStart;
					pStart = pEnd;
					pEnd = pTemp;
				}
				if( !IsPointEntity( pStart ) )	// One sided
				{
					WRITE_BYTE( TE_BEAMENTPOINT );
					WRITE_SHORT( pStart->entindex() );
					WRITE_COORD( pEnd->pev->origin.x );
					WRITE_COORD( pEnd->pev->origin.y );
					WRITE_COORD( pEnd->pev->origin.z );
				}
				else
				{
					WRITE_BYTE( TE_BEAMPOINTS );
					WRITE_COORD( pStart->pev->origin.x );
					WRITE_COORD( pStart->pev->origin.y );
					WRITE_COORD( pStart->pev->origin.z );
					WRITE_COORD( pEnd->pev->origin.x );
					WRITE_COORD( pEnd->pev->origin.y );
					WRITE_COORD( pEnd->pev->origin.z );
				}

			}
			else
			{
				if( pev->spawnflags & SF_BEAM_RING )
					WRITE_BYTE( TE_BEAMRING );
				else
					WRITE_BYTE( TE_BEAMENTS );
				WRITE_SHORT( pStart->entindex() );
				WRITE_SHORT( pEnd->entindex() );
			}

			WRITE_SHORT( m_spriteTexture );
			WRITE_BYTE( m_frameStart ); // framestart
			WRITE_BYTE( (int)pev->framerate ); // framerate
			WRITE_BYTE( (int)( m_life * 10.0 ) ); // life
			WRITE_BYTE( m_boltWidth );  // width
			WRITE_BYTE( m_noiseAmplitude );   // noise
			WRITE_BYTE( (int)pev->rendercolor.x );   // r, g, b
			WRITE_BYTE( (int)pev->rendercolor.y );   // r, g, b
			WRITE_BYTE( (int)pev->rendercolor.z );   // r, g, b
			WRITE_BYTE( pev->renderamt );	// brightness
			WRITE_BYTE( m_speed );		// speed
		MESSAGE_END();
		DoSparks( pStart->pev->origin, pEnd->pev->origin );
		if( pev->dmg > 0 )
		{
			TraceResult tr;
			UTIL_TraceLine( pStart->pev->origin, pEnd->pev->origin, dont_ignore_monsters, NULL, &tr );
			BeamDamageInstant( &tr, pev->dmg );
		}
	}
}

void CBeam::BeamDamage( TraceResult *ptr )
{
	RelinkBeam();
	if( ptr->flFraction != 1.0 && ptr->pHit != NULL )
	{
		CBaseEntity *pHit = CBaseEntity::Instance( ptr->pHit );
		if( pHit )
		{
			ClearMultiDamage();
			pHit->TraceAttack( pev, pev->dmg * ( gpGlobals->time - pev->dmgtime ), ( ptr->vecEndPos - pev->origin ).Normalize(), ptr, DMG_ENERGYBEAM );
			ApplyMultiDamage( pev, pev );
			if( pev->spawnflags & SF_BEAM_DECALS )
			{
				if( pHit->IsBSPModel() )
					UTIL_DecalTrace( ptr, DECAL_BIGSHOT1 + RANDOM_LONG( 0, 4 ) );
			}
		}
	}
	pev->dmgtime = gpGlobals->time;
}

void CLightning::DamageThink( void )
{
	pev->nextthink = gpGlobals->time + 0.1;
	TraceResult tr;
	UTIL_TraceLine( GetStartPos(), GetEndPos(), dont_ignore_monsters, NULL, &tr );
	BeamDamage( &tr );
}

void CLightning::Zap( const Vector &vecSrc, const Vector &vecDest )
{
#if 1
	MESSAGE_BEGIN( MSG_BROADCAST, SVC_TEMPENTITY );
		WRITE_BYTE( TE_BEAMPOINTS );
		WRITE_COORD( vecSrc.x );
		WRITE_COORD( vecSrc.y );
		WRITE_COORD( vecSrc.z );
		WRITE_COORD( vecDest.x );
		WRITE_COORD( vecDest.y );
		WRITE_COORD( vecDest.z );
		WRITE_SHORT( m_spriteTexture );
		WRITE_BYTE( m_frameStart ); // framestart
		WRITE_BYTE( (int)pev->framerate ); // framerate
		WRITE_BYTE( (int)( m_life * 10.0) ); // life
		WRITE_BYTE( m_boltWidth );  // width
		WRITE_BYTE( m_noiseAmplitude );   // noise
		WRITE_BYTE( (int)pev->rendercolor.x );   // r, g, b
		WRITE_BYTE( (int)pev->rendercolor.y );   // r, g, b
		WRITE_BYTE( (int)pev->rendercolor.z );   // r, g, b
		WRITE_BYTE( pev->renderamt );	// brightness
		WRITE_BYTE( m_speed );		// speed
	MESSAGE_END();
#else
	MESSAGE_BEGIN( MSG_BROADCAST, SVC_TEMPENTITY );
		WRITE_BYTE( TE_LIGHTNING );
		WRITE_COORD( vecSrc.x );
		WRITE_COORD( vecSrc.y );
		WRITE_COORD( vecSrc.z );
		WRITE_COORD( vecDest.x );
		WRITE_COORD( vecDest.y );
		WRITE_COORD( vecDest.z );
		WRITE_BYTE( 10 );
		WRITE_BYTE( 50 );
		WRITE_BYTE( 40 );
		WRITE_SHORT( m_spriteTexture );
	MESSAGE_END();
#endif
	DoSparks( vecSrc, vecDest );
}

void CLightning::RandomArea( void )
{
	int iLoops;

	for( iLoops = 0; iLoops < 10; iLoops++ )
	{
		Vector vecSrc = pev->origin;

		Vector vecDir1 = Vector( RANDOM_FLOAT( -1.0, 1.0 ), RANDOM_FLOAT( -1.0, 1.0 ),RANDOM_FLOAT( -1.0, 1.0 ) );
		vecDir1 = vecDir1.Normalize();
		TraceResult tr1;
		UTIL_TraceLine( vecSrc, vecSrc + vecDir1 * m_radius, ignore_monsters, ENT( pev ), &tr1 );

		if( tr1.flFraction == 1.0 )
			continue;

		Vector vecDir2;
		do
		{
			vecDir2 = Vector( RANDOM_FLOAT( -1.0, 1.0 ), RANDOM_FLOAT( -1.0, 1.0 ),RANDOM_FLOAT( -1.0, 1.0 ) );
		} while( DotProduct( vecDir1, vecDir2 ) > 0 );
		vecDir2 = vecDir2.Normalize();
		TraceResult tr2;
		UTIL_TraceLine( vecSrc, vecSrc + vecDir2 * m_radius, ignore_monsters, ENT( pev ), &tr2 );

		if( tr2.flFraction == 1.0 )
			continue;

		if( ( tr1.vecEndPos - tr2.vecEndPos ).Length() < m_radius * 0.1 )
			continue;

		UTIL_TraceLine( tr1.vecEndPos, tr2.vecEndPos, ignore_monsters, ENT( pev ), &tr2 );

		if( tr2.flFraction != 1.0 )
			continue;

		Zap( tr1.vecEndPos, tr2.vecEndPos );

		break;
	}
}

void CLightning::RandomPoint( Vector &vecSrc )
{
	int iLoops;

	for( iLoops = 0; iLoops < 10; iLoops++ )
	{
		Vector vecDir1 = Vector( RANDOM_FLOAT( -1.0, 1.0 ), RANDOM_FLOAT( -1.0, 1.0 ),RANDOM_FLOAT( -1.0, 1.0 ) );
		vecDir1 = vecDir1.Normalize();
		TraceResult tr1;
		UTIL_TraceLine( vecSrc, vecSrc + vecDir1 * m_radius, ignore_monsters, ENT( pev ), &tr1 );

		if( ( tr1.vecEndPos - vecSrc ).Length() < m_radius * 0.1 )
			continue;

		if( tr1.flFraction == 1.0 )
			continue;

		Zap( vecSrc, tr1.vecEndPos );
		break;
	}
}

void CLightning::BeamUpdateVars( void )
{
	int beamType;
	int pointStart, pointEnd;

	edict_t *pStart = FIND_ENTITY_BY_TARGETNAME( NULL, STRING( m_iszStartEntity ) );
	edict_t *pEnd = FIND_ENTITY_BY_TARGETNAME ( NULL, STRING( m_iszEndEntity ) );
	pointStart = IsPointEntity( CBaseEntity::Instance( pStart ) );
	pointEnd = IsPointEntity( CBaseEntity::Instance( pEnd ) );

	pev->skin = 0;
	pev->sequence = 0;
	pev->rendermode = 0;
	pev->flags |= FL_CUSTOMENTITY;
	pev->model = m_iszSpriteName;
	SetTexture( m_spriteTexture );

	beamType = BEAM_ENTS;
	if( pointStart || pointEnd )
	{
		if( !pointStart )	// One point entity must be in pStart
		{
			edict_t *pTemp;
			// Swap start & end
			pTemp = pStart;
			pStart = pEnd;
			pEnd = pTemp;
			int swap = pointStart;
			pointStart = pointEnd;
			pointEnd = swap;
		}
		if( !pointEnd )
			beamType = BEAM_ENTPOINT;
		else
			beamType = BEAM_POINTS;
	}

	SetType( beamType );
	if( beamType == BEAM_POINTS || beamType == BEAM_ENTPOINT || beamType == BEAM_HOSE )
	{
		SetStartPos( pStart->v.origin );
		if( beamType == BEAM_POINTS || beamType == BEAM_HOSE )
			SetEndPos( pEnd->v.origin );
		else
			SetEndEntity( ENTINDEX( pEnd ) );
	}
	else
	{
		SetStartEntity( ENTINDEX( pStart ) );
		SetEndEntity( ENTINDEX( pEnd ) );
	}

	RelinkBeam();

	SetWidth( m_boltWidth );
	SetNoise( m_noiseAmplitude );
	SetFrame( m_frameStart );
	SetScrollRate( m_speed );
	if( pev->spawnflags & SF_BEAM_SHADEIN )
		SetFlags( BEAM_FSHADEIN );
	else if( pev->spawnflags & SF_BEAM_SHADEOUT )
		SetFlags( BEAM_FSHADEOUT );
}

LINK_ENTITY_TO_CLASS( env_laser, CLaser )

TYPEDESCRIPTION	CLaser::m_SaveData[] =
{
	DEFINE_FIELD( CLaser, m_pSprite, FIELD_CLASSPTR ),
	DEFINE_FIELD( CLaser, m_iszSpriteName, FIELD_STRING ),
	DEFINE_FIELD( CLaser, m_firePosition, FIELD_POSITION_VECTOR ),
};

IMPLEMENT_SAVERESTORE( CLaser, CBeam )

void CLaser::Spawn( void )
{
	if( FStringNull( pev->model ) )
	{
		SetThink( &CBaseEntity::SUB_Remove );
		return;
	}
	pev->solid = SOLID_NOT;							// Remove model & collisions
	Precache();

	SetThink( &CLaser::StrikeThink );
	pev->flags |= FL_CUSTOMENTITY;

	PointsInit( pev->origin, pev->origin );

	if( !m_pSprite && m_iszSpriteName )
		m_pSprite = CSprite::SpriteCreate( STRING( m_iszSpriteName ), pev->origin, TRUE );
	else
		m_pSprite = NULL;

	if( m_pSprite )
		m_pSprite->SetTransparency( kRenderGlow, pev->rendercolor.x, pev->rendercolor.y, pev->rendercolor.z, pev->renderamt, pev->renderfx );

	if( pev->targetname && !( pev->spawnflags & SF_BEAM_STARTON ) )
		TurnOff();
	else
		TurnOn();
}

void CLaser::Precache( void )
{
	pev->modelindex = PRECACHE_MODEL( (char *)STRING( pev->model ) );
	if( m_iszSpriteName )
		PRECACHE_MODEL( (char *)STRING( m_iszSpriteName ) );
}

void CLaser::KeyValue( KeyValueData *pkvd )
{
	if( FStrEq( pkvd->szKeyName, "LaserTarget" ) )
	{
		pev->message = ALLOC_STRING( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "width" ) )
	{
		SetWidth( (int)atof( pkvd->szValue ) );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "NoiseAmplitude" ) )
	{
		SetNoise( atoi( pkvd->szValue ) );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "TextureScroll" ) )
	{
		SetScrollRate( atoi( pkvd->szValue ) );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "texture" ) )
	{
		pev->model = ALLOC_STRING( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "EndSprite" ) )
	{
		m_iszSpriteName = ALLOC_STRING( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "framestart" ) )
	{
		pev->frame = atoi( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "damage" ) )
	{
		pev->dmg = atof( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else
		CBeam::KeyValue( pkvd );
}

int CLaser::IsOn( void )
{
	if( pev->effects & EF_NODRAW )
		return 0;
	return 1;
}

void CLaser::TurnOff( void )
{
	pev->effects |= EF_NODRAW;
	pev->nextthink = 0;
	if( m_pSprite )
		m_pSprite->TurnOff();
}

void CLaser::TurnOn( void )
{
	pev->effects &= ~EF_NODRAW;
	if( m_pSprite )
		m_pSprite->TurnOn();
	pev->dmgtime = gpGlobals->time;
	pev->nextthink = gpGlobals->time;
}

void CLaser::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	int active = IsOn();

	if( !ShouldToggle( useType, active ) )
		return;
	if( active )
	{
		TurnOff();
	}
	else
	{
		TurnOn();
	}
}

void CLaser::FireAtPoint( TraceResult &tr )
{
	SetEndPos( tr.vecEndPos );
	if( m_pSprite )
		UTIL_SetOrigin( m_pSprite->pev, tr.vecEndPos );

	BeamDamage( &tr );
	DoSparks( GetStartPos(), tr.vecEndPos );
}

void CLaser::StrikeThink( void )
{
	CBaseEntity *pEnd = RandomTargetname( STRING( pev->message ) );

	if( pEnd )
		m_firePosition = pEnd->pev->origin;

	TraceResult tr;

	UTIL_TraceLine( pev->origin, m_firePosition, dont_ignore_monsters, NULL, &tr );
	FireAtPoint( tr );
	pev->nextthink = gpGlobals->time + 0.1;
}

class CGlow : public CPointEntity
{
public:
	void Spawn( void );
	void Think( void );
	void Animate( float frames );
	virtual int Save( CSave &save );
	virtual int Restore( CRestore &restore );
	static TYPEDESCRIPTION m_SaveData[];

	float m_lastTime;
	float m_maxFrame;
};

LINK_ENTITY_TO_CLASS( env_glow, CGlow )

TYPEDESCRIPTION	CGlow::m_SaveData[] =
{
	DEFINE_FIELD( CGlow, m_lastTime, FIELD_TIME ),
	DEFINE_FIELD( CGlow, m_maxFrame, FIELD_FLOAT ),
};

IMPLEMENT_SAVERESTORE( CGlow, CPointEntity )

void CGlow::Spawn( void )
{
	pev->solid = SOLID_NOT;
	pev->movetype = MOVETYPE_NONE;
	pev->effects = 0;
	pev->frame = 0;

	PRECACHE_MODEL( (char *)STRING( pev->model ) );
	SET_MODEL( ENT( pev ), STRING( pev->model ) );

	m_maxFrame = (float) MODEL_FRAMES( pev->modelindex ) - 1;
	if( m_maxFrame > 1.0 && pev->framerate != 0 )
		pev->nextthink	= gpGlobals->time + 0.1;

	m_lastTime = gpGlobals->time;
}

void CGlow::Think( void )
{
	Animate( pev->framerate * ( gpGlobals->time - m_lastTime ) );

	pev->nextthink = gpGlobals->time + 0.1;
	m_lastTime = gpGlobals->time;
}

void CGlow::Animate( float frames )
{ 
	if( m_maxFrame > 0 )
		pev->frame = fmod( pev->frame + frames, m_maxFrame );
}

LINK_ENTITY_TO_CLASS( env_sprite, CSprite )

TYPEDESCRIPTION	CSprite::m_SaveData[] =
{
	DEFINE_FIELD( CSprite, m_lastTime, FIELD_TIME ),
	DEFINE_FIELD( CSprite, m_maxFrame, FIELD_FLOAT ),
};

IMPLEMENT_SAVERESTORE( CSprite, CPointEntity )

void CSprite::Spawn( void )
{
	pev->solid = SOLID_NOT;
	pev->movetype = MOVETYPE_NONE;
	pev->effects = 0;
	pev->frame = 0;

	Precache();
	SET_MODEL( ENT( pev ), STRING( pev->model ) );

	m_maxFrame = (float) MODEL_FRAMES( pev->modelindex ) - 1;
	if( pev->targetname && !( pev->spawnflags & SF_SPRITE_STARTON ) )
		TurnOff();
	else
		TurnOn();

	// Worldcraft only sets y rotation, copy to Z
	if( pev->angles.y != 0 && pev->angles.z == 0 )
	{
		pev->angles.z = pev->angles.y;
		pev->angles.y = 0;
	}
}

void CSprite::Precache( void )
{
	PRECACHE_MODEL( (char *)STRING( pev->model ) );

	// Reset attachment after save/restore
	if( pev->aiment )
		SetAttachment( pev->aiment, pev->body );
	else
	{
		// Clear attachment
		pev->skin = 0;
		pev->body = 0;
	}
}

void CSprite::SpriteInit( const char *pSpriteName, const Vector &origin )
{
	pev->model = MAKE_STRING( pSpriteName );
	pev->origin = origin;
	Spawn();
}

CSprite *CSprite::SpriteCreate( const char *pSpriteName, const Vector &origin, BOOL animate )
{
	CSprite *pSprite = GetClassPtr( (CSprite *)NULL );
	pSprite->SpriteInit( pSpriteName, origin );
	pSprite->pev->classname = MAKE_STRING( "env_sprite" );
	pSprite->pev->solid = SOLID_NOT;
	pSprite->pev->movetype = MOVETYPE_NOCLIP;
	if( animate )
		pSprite->TurnOn();

	return pSprite;
}

void CSprite::AnimateThink( void )
{
	Animate( pev->framerate * ( gpGlobals->time - m_lastTime ) );

	pev->nextthink = gpGlobals->time + 0.1;
	m_lastTime = gpGlobals->time;
}

void CSprite::AnimateUntilDead( void )
{
	if( gpGlobals->time > pev->dmgtime )
		UTIL_Remove( this );
	else
	{
		AnimateThink();
		pev->nextthink = gpGlobals->time;
	}
}

void CSprite::Expand( float scaleSpeed, float fadeSpeed )
{
	pev->speed = scaleSpeed;
	pev->health = fadeSpeed;
	SetThink( &CSprite::ExpandThink );

	pev->nextthink	= gpGlobals->time;
	m_lastTime = gpGlobals->time;
}

void CSprite::ExpandThink( void )
{
	float frametime = gpGlobals->time - m_lastTime;
	pev->scale += pev->speed * frametime;
	pev->renderamt -= pev->health * frametime;
	if( pev->renderamt <= 0 )
	{
		pev->renderamt = 0;
		UTIL_Remove( this );
	}
	else
	{
		pev->nextthink = gpGlobals->time + 0.1;
		m_lastTime = gpGlobals->time;
	}
}

void CSprite::Animate( float frames )
{ 
	pev->frame += frames;
	if( pev->frame > m_maxFrame )
	{
		if( pev->spawnflags & SF_SPRITE_ONCE )
		{
			TurnOff();
		}
		else
		{
			if( m_maxFrame > 0 )
				pev->frame = fmod( pev->frame, m_maxFrame );
		}
	}
}

void CSprite::TurnOff( void )
{
	pev->effects = EF_NODRAW;
	pev->nextthink = 0;
}

void CSprite::TurnOn( void )
{
	pev->effects = 0;
	if( ( pev->framerate && m_maxFrame > 1.0 ) || ( pev->spawnflags & SF_SPRITE_ONCE ) )
	{
		SetThink( &CSprite::CSprite::AnimateThink );
		pev->nextthink = gpGlobals->time;
		m_lastTime = gpGlobals->time;
	}
	pev->frame = 0;
}

void CSprite::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	int on = pev->effects != EF_NODRAW;
	if( ShouldToggle( useType, on ) )
	{
		if( on )
		{
			TurnOff();
		}
		else
		{
			TurnOn();
		}
	}
}

TYPEDESCRIPTION CGibShooter::m_SaveData[] =
{
	DEFINE_FIELD( CGibShooter, m_iGibs, FIELD_INTEGER ),
	DEFINE_FIELD( CGibShooter, m_iGibCapacity, FIELD_INTEGER ),
	DEFINE_FIELD( CGibShooter, m_iGibMaterial, FIELD_INTEGER ),
	DEFINE_FIELD( CGibShooter, m_iGibModelIndex, FIELD_INTEGER ),
	DEFINE_FIELD( CGibShooter, m_flGibVelocity, FIELD_FLOAT ),
	DEFINE_FIELD( CGibShooter, m_flVariance, FIELD_FLOAT ),
	DEFINE_FIELD( CGibShooter, m_flGibLife, FIELD_FLOAT ),
};

IMPLEMENT_SAVERESTORE( CGibShooter, CBaseDelay )
LINK_ENTITY_TO_CLASS( gibshooter, CGibShooter )

void CGibShooter::Precache( void )
{
	if( g_Language == LANGUAGE_GERMAN )
	{
		m_iGibModelIndex = PRECACHE_MODEL( "models/germanygibs.mdl" );
	}
	else
	{
		m_iGibModelIndex = PRECACHE_MODEL( "models/hgibs.mdl" );
	}
}

void CGibShooter::KeyValue( KeyValueData *pkvd )
{
	if( FStrEq( pkvd->szKeyName, "m_iGibs" ) )
	{
		m_iGibs = m_iGibCapacity = atoi( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "m_flVelocity" ) )
	{
		m_flGibVelocity = atof( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "m_flVariance" ) )
	{
		m_flVariance = atof( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "m_flGibLife" ) )
	{
		m_flGibLife = atof( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else
	{
		CBaseDelay::KeyValue( pkvd );
	}
}

void CGibShooter::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	SetThink( &CGibShooter::ShootThink );
	pev->nextthink = gpGlobals->time;
}

void CGibShooter::Spawn( void )
{
	Precache();

	pev->solid = SOLID_NOT;
	pev->effects = EF_NODRAW;

	if( m_flDelay == 0 )
	{
		m_flDelay = 0.1;
	}

	if( m_flGibLife == 0 )
	{
		m_flGibLife = 25;
	}

	SetMovedir( pev );
	pev->body = MODEL_FRAMES( m_iGibModelIndex );
}

CGib *CGibShooter::CreateGib( void )
{
	if( CVAR_GET_FLOAT( "violence_hgibs" ) == 0 )
		return NULL;

	CGib *pGib = GetClassPtr( (CGib *)NULL );
	pGib->Spawn( "models/hgibs.mdl" );
	pGib->m_bloodColor = BLOOD_COLOR_RED;

	if( pev->body <= 1 )
	{
		ALERT( at_aiconsole, "GibShooter Body is <= 1!\n" );
	}

	pGib->pev->body = RANDOM_LONG( 1, pev->body - 1 );// avoid throwing random amounts of the 0th gib. (skull).

	return pGib;
}

void CGibShooter::ShootThink( void )
{
	pev->nextthink = gpGlobals->time + m_flDelay;

	Vector vecShootDir;

	vecShootDir = pev->movedir;

	vecShootDir = vecShootDir + gpGlobals->v_right * RANDOM_FLOAT( -1, 1 ) * m_flVariance;;
	vecShootDir = vecShootDir + gpGlobals->v_forward * RANDOM_FLOAT( -1, 1 ) * m_flVariance;;
	vecShootDir = vecShootDir + gpGlobals->v_up * RANDOM_FLOAT( -1, 1 ) * m_flVariance;;

	vecShootDir = vecShootDir.Normalize();
	CGib *pGib = CreateGib();
	
	if( pGib )
	{
		pGib->pev->origin = pev->origin;
		pGib->pev->velocity = vecShootDir * m_flGibVelocity;

		pGib->pev->avelocity.x = RANDOM_FLOAT( 100, 200 );
		pGib->pev->avelocity.y = RANDOM_FLOAT( 100, 300 );

		float thinkTime = pGib->pev->nextthink - gpGlobals->time;

		pGib->m_lifeTime = ( m_flGibLife * RANDOM_FLOAT( 0.95, 1.05 ) );	// +/- 5%
		if( pGib->m_lifeTime < thinkTime )
		{
			pGib->pev->nextthink = gpGlobals->time + pGib->m_lifeTime;
			pGib->m_lifeTime = 0;
		}
	}

	if( --m_iGibs <= 0 )
	{
		if( pev->spawnflags & SF_GIBSHOOTER_REPEATABLE )
		{
			m_iGibs = m_iGibCapacity;
			SetThink( NULL );
			pev->nextthink = gpGlobals->time;
		}
		else
		{
			SetThink( &CBaseEntity::SUB_Remove );
			pev->nextthink = gpGlobals->time;
		}
	}
}

LINK_ENTITY_TO_CLASS( env_shooter, CEnvShooter )

void CEnvShooter::KeyValue( KeyValueData *pkvd )
{
	if( FStrEq( pkvd->szKeyName, "shootmodel" ) )
	{
		pev->model = ALLOC_STRING( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if ( FStrEq( pkvd->szKeyName, "shootsounds" ) )
	{
		int iNoise = atoi( pkvd->szValue );
		pkvd->fHandled = TRUE;
		switch( iNoise )
		{
		case 0:
			m_iGibMaterial = matGlass;
			break;
		case 1:
			m_iGibMaterial = matWood;
			break;
		case 2:
			m_iGibMaterial = matMetal;
			break;
		case 3:
			m_iGibMaterial = matFlesh;
			break;
		case 4:
			m_iGibMaterial = matRocks;
			break;
		default:
		case -1:
			m_iGibMaterial = matNone;
			break;
		}
	}
	else
	{
		CGibShooter::KeyValue( pkvd );
	}
}

void CEnvShooter::Precache( void )
{
	m_iGibModelIndex = PRECACHE_MODEL( (char *)STRING( pev->model ) );
	CBreakable::MaterialSoundPrecache( (Materials)m_iGibMaterial );
}

CGib *CEnvShooter::CreateGib( void )
{
	CGib *pGib = GetClassPtr( (CGib *)NULL );

	pGib->Spawn( STRING( pev->model ) );

	int bodyPart = 0;

	if( pev->body > 1 )
		bodyPart = RANDOM_LONG( 0, pev->body - 1 );

	pGib->pev->body = bodyPart;
	pGib->m_bloodColor = DONT_BLEED;
	pGib->m_material = m_iGibMaterial;

	pGib->pev->rendermode = pev->rendermode;
	pGib->pev->renderamt = pev->renderamt;
	pGib->pev->rendercolor = pev->rendercolor;
	pGib->pev->renderfx = pev->renderfx;
	pGib->pev->scale = pev->scale;
	pGib->pev->skin = pev->skin;

	return pGib;
}

class CTestEffect : public CBaseDelay
{
public:
	void Spawn( void );
	void Precache( void );
	// void	KeyValue( KeyValueData *pkvd );
	void EXPORT TestThink( void );
	void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );

	int m_iLoop;
	int m_iBeam;
	CBeam *m_pBeam[24];
	float m_flBeamTime[24];
	float m_flStartTime;
};

LINK_ENTITY_TO_CLASS( test_effect, CTestEffect )

void CTestEffect::Spawn( void )
{
	Precache();
}

void CTestEffect::Precache( void )
{
	PRECACHE_MODEL( "sprites/lgtning.spr" );
}

void CTestEffect::TestThink( void )
{
	int i;
	float t = gpGlobals->time - m_flStartTime;

	if( m_iBeam < 24 )
	{
		CBeam *pbeam = CBeam::BeamCreate( "sprites/lgtning.spr", 100 );

		TraceResult tr;

		Vector vecSrc = pev->origin;
		Vector vecDir = Vector( RANDOM_FLOAT( -1.0, 1.0 ), RANDOM_FLOAT( -1.0, 1.0 ),RANDOM_FLOAT( -1.0, 1.0 ) );
		vecDir = vecDir.Normalize();
		UTIL_TraceLine( vecSrc, vecSrc + vecDir * 128, ignore_monsters, ENT( pev ), &tr );

		pbeam->PointsInit( vecSrc, tr.vecEndPos );
		// pbeam->SetColor( 80, 100, 255 );
		pbeam->SetColor( 255, 180, 100 );
		pbeam->SetWidth( 100 );
		pbeam->SetScrollRate( 12 );
		
		m_flBeamTime[m_iBeam] = gpGlobals->time;
		m_pBeam[m_iBeam] = pbeam;
		m_iBeam++;
#if 0
		Vector vecMid = ( vecSrc + tr.vecEndPos ) * 0.5;
		MESSAGE_BEGIN( MSG_BROADCAST, SVC_TEMPENTITY );
			WRITE_BYTE( TE_DLIGHT );
			WRITE_COORD( vecMid.x );	// X
			WRITE_COORD( vecMid.y );	// Y
			WRITE_COORD( vecMid.z );	// Z
			WRITE_BYTE( 20 );		// radius * 0.1
			WRITE_BYTE( 255 );		// r
			WRITE_BYTE( 180 );		// g
			WRITE_BYTE( 100 );		// b
			WRITE_BYTE( 20 );		// time * 10
			WRITE_BYTE( 0 );		// decay * 0.1
		MESSAGE_END( );
#endif
	}

	if( t < 3.0 )
	{
		for( i = 0; i < m_iBeam; i++ )
		{
			t = ( gpGlobals->time - m_flBeamTime[i] ) / ( 3 + m_flStartTime - m_flBeamTime[i] );
			m_pBeam[i]->SetBrightness( 255 * t );
			// m_pBeam[i]->SetScrollRate( 20 * t );
		}
		pev->nextthink = gpGlobals->time + 0.1;
	}
	else
	{
		for( i = 0; i < m_iBeam; i++ )
		{
			UTIL_Remove( m_pBeam[i] );
		}
		m_flStartTime = gpGlobals->time;
		m_iBeam = 0;
		// pev->nextthink = gpGlobals->time;
		SetThink( NULL );
	}
}

void CTestEffect::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	SetThink( &CTestEffect::TestThink );
	pev->nextthink = gpGlobals->time + 0.1;
	m_flStartTime = gpGlobals->time;
}

// Blood effects
class CBlood : public CPointEntity
{
public:
	void Spawn( void );
	void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
	void KeyValue( KeyValueData *pkvd );

	inline int Color( void )
	{
		return pev->impulse;
	}

	inline float BloodAmount( void )
	{
		return pev->dmg;
	}

	inline void SetColor( int color )
	{
		pev->impulse = color;
	}
	
	inline void SetBloodAmount( float amount )
	{
		pev->dmg = amount;
	}
	
	Vector Direction( void );
	Vector BloodPosition( CBaseEntity *pActivator );
private:
};

LINK_ENTITY_TO_CLASS( env_blood, CBlood )

#define SF_BLOOD_RANDOM		0x0001
#define SF_BLOOD_STREAM		0x0002
#define SF_BLOOD_PLAYER		0x0004
#define SF_BLOOD_DECAL		0x0008

void CBlood::Spawn( void )
{
	pev->solid = SOLID_NOT;
	pev->movetype = MOVETYPE_NONE;
	pev->effects = 0;
	pev->frame = 0;
	SetMovedir( pev );
}

void CBlood::KeyValue( KeyValueData *pkvd )
{
	if( FStrEq( pkvd->szKeyName, "color" ) )
	{
		int color = atoi( pkvd->szValue );
		switch( color )
		{
		case 1:
			SetColor( BLOOD_COLOR_YELLOW );
			break;
		default:
			SetColor( BLOOD_COLOR_RED );
			break;
		}

		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "amount" ) )
	{
		SetBloodAmount( atof( pkvd->szValue ) );
		pkvd->fHandled = TRUE;
	}
	else
		CPointEntity::KeyValue( pkvd );
}

Vector CBlood::Direction( void )
{
	if( pev->spawnflags & SF_BLOOD_RANDOM )
		return UTIL_RandomBloodVector();

	return pev->movedir;
}

Vector CBlood::BloodPosition( CBaseEntity *pActivator )
{
	if( pev->spawnflags & SF_BLOOD_PLAYER )
	{
		edict_t *pPlayer;

		if( pActivator && pActivator->IsPlayer() )
		{
			pPlayer = pActivator->edict();
		}
		else
			pPlayer = g_engfuncs.pfnPEntityOfEntIndex( 1 );
		if( pPlayer )
			return( pPlayer->v.origin + pPlayer->v.view_ofs ) + Vector( RANDOM_FLOAT( -10, 10 ), RANDOM_FLOAT( -10, 10 ), RANDOM_FLOAT( -10, 10 ) );
	}

	return pev->origin;
}

void CBlood::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	if( pev->spawnflags & SF_BLOOD_STREAM )
		UTIL_BloodStream( BloodPosition( pActivator ), Direction(), ( Color() == BLOOD_COLOR_RED ) ? 70 : Color(), BloodAmount() );
	else
		UTIL_BloodDrips( BloodPosition( pActivator ), Direction(), Color(), BloodAmount() );

	if( pev->spawnflags & SF_BLOOD_DECAL )
	{
		Vector forward = Direction();
		Vector start = BloodPosition( pActivator );
		TraceResult tr;

		UTIL_TraceLine( start, start + forward * BloodAmount() * 2, ignore_monsters, NULL, &tr );
		if( tr.flFraction != 1.0 )
			UTIL_BloodDecalTrace( &tr, Color() );
	}
}

LINK_ENTITY_TO_CLASS( env_shake, CShake )

// pev->scale is amplitude
// pev->dmg_save is frequency
// pev->dmg_take is duration
// pev->dmg is radius
// radius of 0 means all players
// NOTE: UTIL_ScreenShake() will only shake players who are on the ground

#define SF_SHAKE_EVERYONE	0x0001		// Don't check radius
// UNDONE: These don't work yet
#define SF_SHAKE_DISRUPT	0x0002		// Disrupt controls
#define SF_SHAKE_INAIR		0x0004		// Shake players in air

void CShake::Spawn( void )
{
	pev->solid = SOLID_NOT;
	pev->movetype = MOVETYPE_NONE;
	pev->effects = 0;
	pev->frame = 0;

	if( pev->spawnflags & SF_SHAKE_EVERYONE )
		pev->dmg = 0;
}

void CShake::KeyValue( KeyValueData *pkvd )
{
	if( FStrEq( pkvd->szKeyName, "amplitude" ) )
	{
		SetAmplitude( atof( pkvd->szValue ) );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "frequency" ) )
	{
		SetFrequency( atof( pkvd->szValue ) );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "duration" ) )
	{
		SetDuration( atof( pkvd->szValue ) );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "radius" ) )
	{
		SetRadius( atof( pkvd->szValue ) );
		pkvd->fHandled = TRUE;
	}
	else
		CPointEntity::KeyValue( pkvd );
}

void CShake::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	UTIL_ScreenShake( pev->origin, Amplitude(), Frequency(), Duration(), Radius() );
}


class CFade : public CPointEntity
{
public:
	void Spawn( void );
	void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
	void KeyValue( KeyValueData *pkvd );

	inline float Duration( void )
	{
		return pev->dmg_take;
	}

	inline float HoldTime( void )
	{
		return pev->dmg_save;
	}

	inline void SetDuration( float duration )
	{
		pev->dmg_take = duration;
	}

	inline void SetHoldTime( float hold )
	{
		pev->dmg_save = hold;
	}
private:
};

LINK_ENTITY_TO_CLASS( env_fade, CFade )

// pev->dmg_take is duration
// pev->dmg_save is hold duration
#define SF_FADE_IN			0x0001		// Fade in, not out
#define SF_FADE_MODULATE		0x0002		// Modulate, don't blend
#define SF_FADE_ONLYONE			0x0004

void CFade::Spawn( void )
{
	pev->solid = SOLID_NOT;
	pev->movetype = MOVETYPE_NONE;
	pev->effects = 0;
	pev->frame = 0;
}

void CFade::KeyValue( KeyValueData *pkvd )
{
	if( FStrEq( pkvd->szKeyName, "duration" ) )
	{
		SetDuration( atof( pkvd->szValue ) );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "holdtime" ) )
	{
		SetHoldTime( atof( pkvd->szValue ) );
		pkvd->fHandled = TRUE;
	}
	else
		CPointEntity::KeyValue( pkvd );
}

void CFade::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	int fadeFlags = 0;
	
	if( !( pev->spawnflags & SF_FADE_IN ) )
		fadeFlags |= FFADE_OUT;

	if( pev->spawnflags & SF_FADE_MODULATE )
		fadeFlags |= FFADE_MODULATE;

	if( pev->spawnflags & SF_FADE_ONLYONE )
	{
		if( pActivator->IsNetClient() )
		{
			UTIL_ScreenFade( pActivator, pev->rendercolor, Duration(), HoldTime(), pev->renderamt, fadeFlags );
		}
	}
	else
	{
		UTIL_ScreenFadeAll( pev->rendercolor, Duration(), HoldTime(), pev->renderamt, fadeFlags );
	}
	SUB_UseTargets( this, USE_TOGGLE, 0 );
}

class CMessage : public CPointEntity
{
public:
	void Spawn( void );
	void Precache( void );
	void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
	void KeyValue( KeyValueData *pkvd );
private:
};

LINK_ENTITY_TO_CLASS( env_message, CMessage )

void CMessage::Spawn( void )
{
	Precache();

	pev->solid = SOLID_NOT;
	pev->movetype = MOVETYPE_NONE;

	switch( pev->impulse )
	{
	case 1:
		// Medium radius
		pev->speed = ATTN_STATIC;
		break;
	case 2:
		// Large radius
		pev->speed = ATTN_NORM;
		break;
	case 3:
		//EVERYWHERE
		pev->speed = ATTN_NONE;
		break;
	default:
	case 0: // Small radius
		pev->speed = ATTN_IDLE;
		break;
	}
	pev->impulse = 0;

	// No volume, use normal
	if( pev->scale <= 0 )
		pev->scale = 1.0;
}

void CMessage::Precache( void )
{
	if( pev->noise )
		PRECACHE_SOUND( (char *)STRING( pev->noise ) );
}

void CMessage::KeyValue( KeyValueData *pkvd )
{
	if( FStrEq( pkvd->szKeyName, "messagesound" ) )
	{
		pev->noise = ALLOC_STRING( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq(pkvd->szKeyName, "messagevolume" ) )
	{
		pev->scale = atof( pkvd->szValue ) * 0.1;
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "messageattenuation" ) )
	{
		pev->impulse = atoi( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else
		CPointEntity::KeyValue( pkvd );
}

void CMessage::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	CBaseEntity *pPlayer = NULL;

	if( pev->spawnflags & SF_MESSAGE_ALL )
		UTIL_ShowMessageAll( STRING( pev->message ) );
	else
	{
		if( pActivator && pActivator->IsPlayer() )
			pPlayer = pActivator;
		else
		{
			pPlayer = CBaseEntity::Instance( g_engfuncs.pfnPEntityOfEntIndex( 1 ) );
		}
		if( pPlayer )
			UTIL_ShowMessage( STRING( pev->message ), pPlayer );
	}
	if( pev->noise )
	{
		EMIT_SOUND( edict(), CHAN_BODY, STRING( pev->noise ), pev->scale, pev->speed );
	}
	if( pev->spawnflags & SF_MESSAGE_ONCE )
		UTIL_Remove( this );

	SUB_UseTargets( this, USE_TOGGLE, 0 );
}

//=========================================================
// FunnelEffect
//=========================================================
class CEnvFunnel : public CBaseDelay
{
public:
	void Spawn( void );
	void Precache( void );
	void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );

	int m_iSprite;	// Don't save, precache
};

void CEnvFunnel::Precache( void )
{
	m_iSprite = PRECACHE_MODEL ( "sprites/flare6.spr" );
}

LINK_ENTITY_TO_CLASS( env_funnel, CEnvFunnel )

void CEnvFunnel::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	MESSAGE_BEGIN( MSG_BROADCAST, SVC_TEMPENTITY );
		WRITE_BYTE( TE_LARGEFUNNEL );
		WRITE_COORD( pev->origin.x );
		WRITE_COORD( pev->origin.y );
		WRITE_COORD( pev->origin.z );
		WRITE_SHORT( m_iSprite );

		if( pev->spawnflags & SF_FUNNEL_REVERSE )// funnel flows in reverse?
		{
			WRITE_SHORT( 1 );
		}
		else
		{
			WRITE_SHORT( 0 );
		}

	MESSAGE_END();

	SetThink( &CBaseEntity::SUB_Remove );
	pev->nextthink = gpGlobals->time;
}

void CEnvFunnel::Spawn( void )
{
	Precache();
	pev->solid = SOLID_NOT;
	pev->effects = EF_NODRAW;
}

//=========================================================
// Beverage Dispenser
// overloaded pev->frags, is now a flag for whether or not a can is stuck in the dispenser. 
// overloaded pev->health, is now how many cans remain in the machine.
//=========================================================
class CEnvBeverage : public CBaseDelay
{
public:
	void Spawn( void );
	void Precache( void );
	void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
};

void CEnvBeverage::Precache( void )
{
	PRECACHE_MODEL( "models/can.mdl" );
	PRECACHE_SOUND( "weapons/g_bounce3.wav" );
}

LINK_ENTITY_TO_CLASS( env_beverage, CEnvBeverage )

void CEnvBeverage::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	if( pev->frags != 0 || pev->health <= 0 )
	{
		// no more cans while one is waiting in the dispenser, or if I'm out of cans.
		return;
	}

	CBaseEntity *pCan = CBaseEntity::Create( "item_sodacan", pev->origin, pev->angles, edict() );	

	if( pev->skin == 6 )
	{
		// random
		pCan->pev->skin = RANDOM_LONG( 0, 5 );
	}
	else
	{
		pCan->pev->skin = pev->skin;
	}

	pev->frags = 1;
	pev->health--;

	//SetThink( &SUB_Remove );
	//pev->nextthink = gpGlobals->time;
}

void CEnvBeverage::Spawn( void )
{
	Precache();
	pev->solid = SOLID_NOT;
	pev->effects = EF_NODRAW;
	pev->frags = 0;

	if( pev->health == 0 )
	{
		pev->health = 10;
	}
}

//=========================================================
// Soda can
//=========================================================
class CItemSoda : public CBaseEntity
{
public:
	void Spawn( void );
	void Precache( void );
	void EXPORT CanThink( void );
	void EXPORT CanTouch( CBaseEntity *pOther );
};

void CItemSoda::Precache( void )
{
}

LINK_ENTITY_TO_CLASS( item_sodacan, CItemSoda )

void CItemSoda::Spawn( void )
{
	Precache();
	pev->solid = SOLID_NOT;
	pev->movetype = MOVETYPE_TOSS;

	SET_MODEL( ENT( pev ), "models/can.mdl" );
	UTIL_SetSize( pev, Vector( 0, 0, 0 ), Vector( 0, 0, 0 ) );
	
	SetThink( &CItemSoda::CanThink );
	pev->nextthink = gpGlobals->time + 0.5;
}

void CItemSoda::CanThink( void )
{
	EMIT_SOUND( ENT( pev ), CHAN_WEAPON, "weapons/g_bounce3.wav", 1, ATTN_NORM );

	pev->solid = SOLID_TRIGGER;
	UTIL_SetSize( pev, Vector( -8, -8, 0 ), Vector( 8, 8, 8 ) );
	SetThink( NULL );
	SetTouch( &CItemSoda::CanTouch );
}

void CItemSoda::CanTouch( CBaseEntity *pOther )
{
	if( !pOther->IsPlayer() )
	{
		return;
	}

	// spoit sound here
	pOther->TakeHealth( 1, DMG_GENERIC );// a bit of health.

	if( !FNullEnt( pev->owner ) )
	{
		// tell the machine the can was taken
		pev->owner->v.frags = 0;
	}

	pev->solid = SOLID_NOT;
	pev->movetype = MOVETYPE_NONE;
	pev->effects = EF_NODRAW;
	SetTouch( NULL );
	SetThink( &CBaseEntity::SUB_Remove );
	pev->nextthink = gpGlobals->time;
}