source-engine/game/shared/hl1/hl1mp_weapon_rpg.cpp

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:		RPG
//
// $NoKeywords: $
//=============================================================================//

#include "cbase.h"
#include "npcevent.h"
#include "in_buttons.h"
#include "hl1mp_basecombatweapon_shared.h"
#include "hl1mp_weapon_rpg.h"

#ifdef CLIENT_DLL
#include "hl1/c_hl1mp_player.h"
#include "model_types.h"
#include "beamdraw.h"
#include "fx_line.h"
#include "view.h"
#else
#include "basecombatcharacter.h"
#include "movie_explosion.h"
#include "hl1mp_player.h"
#include "rope.h"
#include "soundent.h"
#include "vstdlib/random.h"
#include "engine/IEngineSound.h"
#include "explode.h"
#include "util.h"
#include "te_effect_dispatch.h"
#include "shake.h"
#endif

// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"

extern ConVar sk_plr_dmg_rpg;


void TE_BeamFollow( IRecipientFilter& filter, float delay,
	int iEntIndex, int modelIndex, int haloIndex, float life, float width, float endWidth, 
	float fadeLength,float r, float g, float b, float a );

#define	RPG_LASER_SPRITE	"sprites/redglow_mp1"

class CLaserDot : public CBaseEntity
{
	DECLARE_CLASS( CLaserDot, CBaseEntity );
public:

	CLaserDot( void );
	~CLaserDot( void );

	static CLaserDot *Create( const Vector &origin, CBaseEntity *pOwner = NULL, bool bVisibleDot = true );

	void	SetTargetEntity( CBaseEntity *pTarget ) { m_hTargetEnt = pTarget; }
	CBaseEntity *GetTargetEntity( void ) { return m_hTargetEnt; }

	void	SetLaserPosition( const Vector &origin, const Vector &normal );
	Vector	GetChasePosition();
	void	TurnOn( void );
	void	TurnOff( void );
	bool	IsOn() const { return m_bIsOn; }

	void	Toggle( void );

	int		ObjectCaps() { return (BaseClass::ObjectCaps() & ~FCAP_ACROSS_TRANSITION) | FCAP_DONT_SAVE; }

	void	MakeInvisible( void );

#ifdef CLIENT_DLL

	virtual bool			IsTransparent( void ) { return true; }
	virtual RenderGroup_t	GetRenderGroup( void ) { return RENDER_GROUP_TRANSLUCENT_ENTITY; }
	virtual int				DrawModel( int flags );
	virtual void			OnDataChanged( DataUpdateType_t updateType );
	virtual bool			ShouldDraw( void ) { return (IsEffectActive(EF_NODRAW)==false); }

	CMaterialReference	m_hSpriteMaterial;
#endif

protected:
	Vector				m_vecSurfaceNormal;
	EHANDLE				m_hTargetEnt;
	bool				m_bVisibleLaserDot;
//	bool				m_bIsOn;
	CNetworkVar( bool, m_bIsOn );

	DECLARE_NETWORKCLASS();
	DECLARE_DATADESC();
public:
	CLaserDot			*m_pNext;
};


#ifndef CLIENT_DLL

//=============================================================================
// RPG Rocket
//=============================================================================


BEGIN_DATADESC( CRpgRocket )
	DEFINE_FIELD( m_hOwner,			FIELD_EHANDLE ),
	DEFINE_FIELD( m_vecAbsVelocity,	FIELD_VECTOR ),
	DEFINE_FIELD( m_flIgniteTime,	FIELD_TIME ),
	//DEFINE_FIELD( m_iTrail,			FIELD_INTEGER ),

	// Function Pointers
	DEFINE_ENTITYFUNC( RocketTouch ),
	DEFINE_THINKFUNC( IgniteThink ),
	DEFINE_THINKFUNC( SeekThink ),
END_DATADESC()

LINK_ENTITY_TO_CLASS( rpg_rocket, CRpgRocket );

IMPLEMENT_SERVERCLASS_ST(CRpgRocket, DT_RpgRocket)
END_SEND_TABLE()

CRpgRocket::CRpgRocket()
{
}


//-----------------------------------------------------------------------------
// Purpose: 
//
//
//-----------------------------------------------------------------------------
void CRpgRocket::Precache( void )
{
	PrecacheModel( "models/rpgrocket.mdl" );
	PrecacheModel( "sprites/animglow01.vmt" );

	PrecacheScriptSound( "Weapon_RPG.RocketIgnite" );

	m_iTrail = PrecacheModel("sprites/smoke.vmt");
}

//-----------------------------------------------------------------------------
// Purpose: 
//
//
//-----------------------------------------------------------------------------
void CRpgRocket::Spawn( void )
{
	Precache();

	SetSolid( SOLID_BBOX );
	SetModel("models/rpgrocket.mdl");
	UTIL_SetSize( this, -Vector(0,0,0), Vector(0,0,0) );

	SetTouch( &CRpgRocket::RocketTouch );

	SetMoveType( MOVETYPE_FLYGRAVITY, MOVECOLLIDE_FLY_BOUNCE );
	SetThink( &CRpgRocket::IgniteThink );
	
	SetNextThink( gpGlobals->curtime + 0.4f );

	QAngle angAngs;
	Vector vecFwd;

	angAngs = GetAbsAngles();
	angAngs.x -= 30;
	AngleVectors( angAngs, &vecFwd );
	SetAbsVelocity( vecFwd * 250 );

	SetGravity( UTIL_ScaleForGravity( 400 ) );	// use a lower gravity for rockets

	m_flDamage	= sk_plr_dmg_rpg.GetFloat();
	m_DmgRadius	= m_flDamage * 2.5;
}


//-----------------------------------------------------------------------------
// Purpose: 
// Input  : *pOther - 
//-----------------------------------------------------------------------------
void CRpgRocket::RocketTouch( CBaseEntity *pOther )
{
	if ( !pOther->IsSolid() || pOther->IsSolidFlagSet(FSOLID_VOLUME_CONTENTS) )
		return;

	if ( m_hOwner != NULL )
	{
		m_hOwner->NotifyRocketDied();
	}

	StopSound( "Weapon_RPG.RocketIgnite" );
	ExplodeTouch( pOther );
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CRpgRocket::IgniteThink( void )
{
	SetMoveType( MOVETYPE_FLY );

	AddEffects( EF_DIMLIGHT );

	EmitSound( "Weapon_RPG.RocketIgnite" );

	SetThink( &CRpgRocket::SeekThink );
	SetNextThink( gpGlobals->curtime + 0.1f );

	CBroadcastRecipientFilter filter;
	TE_BeamFollow( filter, 0.0,
		entindex(),
		m_iTrail,
		0,
		4,
		5,
		5,
		0,
		224,
		224,
		255,
		255 );

	m_flIgniteTime = gpGlobals->curtime;
}

#define	RPG_HOMING_SPEED	0.125f

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CRpgRocket::SeekThink( void )
{
	CBaseEntity *pOther = NULL;
	Vector vecTarget;
	Vector vecFwd;
	Vector vecDir;
	float flDist, flMax, flDot;
	trace_t tr;

	AngleVectors( GetAbsAngles(), &vecFwd );

	vecTarget = vecFwd;
	flMax = 4096;
	
	// Examine all entities within a reasonable radius
	while ( (pOther = gEntList.FindEntityByClassname( pOther, "laser_spot" ) ) != NULL)
	{
		CLaserDot *pDot = dynamic_cast<CLaserDot*>(pOther);

//		if ( pDot->IsActive() )
		if ( pDot->IsOn() )
		{
			UTIL_TraceLine( GetAbsOrigin(), pDot->GetAbsOrigin(), MASK_SHOT, this, COLLISION_GROUP_NONE, &tr );
			if ( tr.fraction >= 0.90 )
			{
				vecDir = pDot->GetAbsOrigin() - GetAbsOrigin();
				flDist = VectorLength( vecDir );
				VectorNormalize( vecDir );
				flDot = DotProduct( vecFwd, vecDir );
				if ( (flDot > 0) && (flDist * (1 - flDot) < flMax) )
				{
					flMax = flDist * (1 - flDot);
					vecTarget = vecDir;
				}
			}
		}
	}

	QAngle vecAng;
	VectorAngles( vecTarget, vecAng );
	SetAbsAngles( vecAng );

	// this acceleration and turning math is totally wrong, but it seems to respond well so don't change it.
	float flSpeed = GetAbsVelocity().Length();
	if ( gpGlobals->curtime - m_flIgniteTime < 1.0 )
	{
		SetAbsVelocity( GetAbsVelocity() * 0.2 + vecTarget * (flSpeed * 0.8 + 400) );
		if ( GetWaterLevel() == 3 )
		{
			// go slow underwater
			if ( GetAbsVelocity().Length() > 300 )
			{
				Vector vecVel = GetAbsVelocity();
				VectorNormalize( vecVel );
				SetAbsVelocity( vecVel * 300 );
			}

			UTIL_BubbleTrail( GetAbsOrigin() - GetAbsVelocity() * 0.1, GetAbsOrigin(), 4 );
		} 
		else 
		{
			if ( GetAbsVelocity().Length() > 2000 )
			{
				Vector vecVel = GetAbsVelocity();
				VectorNormalize( vecVel );
				SetAbsVelocity( vecVel * 2000 );
			}
		}
	}
	else
	{
		if ( IsEffectActive( EF_DIMLIGHT ) )
		{
			ClearEffects();
		}

		SetAbsVelocity( GetAbsVelocity() * 0.2 + vecTarget * flSpeed * 0.798 );

		if ( GetWaterLevel() == 0 && GetAbsVelocity().Length() < 1500 )
		{
			Detonate();
		}
	}

	SetNextThink( gpGlobals->curtime + 0.1f );
}

void CRpgRocket::Detonate( void )
{
	StopSound( "Weapon_RPG.RocketIgnite" );
	BaseClass::Detonate();
}

//-----------------------------------------------------------------------------
// Purpose: 
//
// Input  : &vecOrigin - 
//			&vecAngles - 
//			NULL - 
//
// Output : CRpgRocket
//-----------------------------------------------------------------------------
CRpgRocket *CRpgRocket::Create( const Vector &vecOrigin, const QAngle &angAngles, CBasePlayer *pentOwner )
{
	CRpgRocket *pRocket = (CRpgRocket *)CreateEntityByName( "rpg_rocket" );
	UTIL_SetOrigin( pRocket, vecOrigin );
	pRocket->SetAbsAngles( angAngles );
	pRocket->Spawn();
	pRocket->SetOwnerEntity( pentOwner );

	return pRocket;
}

#endif		// endif #ifndef CLIENT_DLL


//=============================================================================
// Laser Dot
//=============================================================================

IMPLEMENT_NETWORKCLASS_ALIASED( LaserDot, DT_LaserDot )

BEGIN_NETWORK_TABLE( CLaserDot, DT_LaserDot )
#ifdef CLIENT_DLL
	RecvPropBool( RECVINFO( m_bIsOn ) ),
#else
	SendPropBool( SENDINFO( m_bIsOn ) ),
#endif
END_NETWORK_TABLE()

#ifndef CLIENT_DLL
// a list of laser dots to search quickly
CEntityClassList<CLaserDot> g_LaserDotList;
template <> CLaserDot *CEntityClassList<CLaserDot>::m_pClassList = NULL;
CLaserDot *GetLaserDotList()
{
	return g_LaserDotList.m_pClassList;
}

#endif

LINK_ENTITY_TO_CLASS( laser_spot, CLaserDot );

BEGIN_DATADESC( CLaserDot )
	DEFINE_FIELD( m_vecSurfaceNormal,	FIELD_VECTOR ),
	DEFINE_FIELD( m_hTargetEnt,			FIELD_EHANDLE ),
	DEFINE_FIELD( m_bVisibleLaserDot,	FIELD_BOOLEAN ),
	DEFINE_FIELD( m_bIsOn,				FIELD_BOOLEAN ),

	//DEFINE_FIELD( m_pNext, FIELD_CLASSPTR ),	// don't save - regenerated by constructor
END_DATADESC()


//-----------------------------------------------------------------------------
// Finds missiles in cone
//-----------------------------------------------------------------------------
CBaseEntity *CreateLaserDot( const Vector &origin, CBaseEntity *pOwner, bool bVisibleDot )
{
	return CLaserDot::Create( origin, pOwner, bVisibleDot );
}

void SetLaserDotTarget( CBaseEntity *pLaserDot, CBaseEntity *pTarget )
{
	CLaserDot *pDot = assert_cast< CLaserDot* >(pLaserDot );
	pDot->SetTargetEntity( pTarget );
}

void EnableLaserDot( CBaseEntity *pLaserDot, bool bEnable )
{
	CLaserDot *pDot = assert_cast< CLaserDot* >(pLaserDot );
	if ( bEnable )
	{
		pDot->TurnOn();
	}
	else
	{
		pDot->TurnOff();
	}
}

CLaserDot::CLaserDot( void )
{
	m_hTargetEnt = NULL;
	m_bIsOn = true;
#ifndef CLIENT_DLL
	g_LaserDotList.Insert( this );
#endif
}

CLaserDot::~CLaserDot( void )
{
#ifndef CLIENT_DLL
	g_LaserDotList.Remove( this );
#endif
}


//-----------------------------------------------------------------------------
// Purpose: 
// Input  : &origin - 
// Output : CLaserDot
//-----------------------------------------------------------------------------
CLaserDot *CLaserDot::Create( const Vector &origin, CBaseEntity *pOwner, bool bVisibleDot )
{
#ifndef CLIENT_DLL
	CLaserDot *pLaserDot = (CLaserDot *) CBaseEntity::Create( "laser_spot", origin, QAngle(0,0,0) );

	if ( pLaserDot == NULL )
		return NULL;

	pLaserDot->m_bVisibleLaserDot = bVisibleDot;
	pLaserDot->SetMoveType( MOVETYPE_NONE );
	pLaserDot->AddSolidFlags( FSOLID_NOT_SOLID );
	pLaserDot->AddEffects( EF_NOSHADOW );
	UTIL_SetSize( pLaserDot, -Vector(6,6,6), Vector(6,6,6) );

	pLaserDot->SetOwnerEntity( pOwner );

	pLaserDot->AddEFlags( EFL_FORCE_CHECK_TRANSMIT );

	if ( !bVisibleDot )
	{
		pLaserDot->MakeInvisible();
	}

	return pLaserDot;
#else
	return NULL;
#endif
}

void CLaserDot::SetLaserPosition( const Vector &origin, const Vector &normal )
{
	SetAbsOrigin( origin );
	m_vecSurfaceNormal = normal;
}

Vector CLaserDot::GetChasePosition()
{
	return GetAbsOrigin() - m_vecSurfaceNormal * 10;
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CLaserDot::TurnOn( void )
{
	m_bIsOn = true;
	RemoveEffects(EF_NODRAW);

	if ( m_bVisibleLaserDot )
	{
		//BaseClass::TurnOn();
	}
}


//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CLaserDot::TurnOff( void )
{
	m_bIsOn = false;
	AddEffects(EF_NODRAW);
	if ( m_bVisibleLaserDot )
	{
		//BaseClass::TurnOff();
	}
}


//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CLaserDot::MakeInvisible( void )
{
}

#ifdef CLIENT_DLL

//-----------------------------------------------------------------------------
// Purpose: Draw our sprite
//-----------------------------------------------------------------------------
int CLaserDot::DrawModel( int flags )
{
	color32 color={255,255,255,255};
	Vector	vecAttachment, vecDir;
	QAngle	angles;

	float	scale;
	Vector	endPos;

	C_HL1MP_Player *pOwner = ToHL1MPPlayer( GetOwnerEntity() );

	if ( pOwner != NULL && pOwner->IsDormant() == false )
	{
		// Always draw the dot in front of our faces when in first-person
		if ( pOwner->IsLocalPlayer() )
		{
			// Take our view position and orientation
			vecAttachment = CurrentViewOrigin();
			vecDir = CurrentViewForward();
		}
		else
		{
			// Take the eye position and direction
			vecAttachment = pOwner->EyePosition();
			
			QAngle angles = pOwner->EyeAngles();
			AngleVectors( angles, &vecDir );
		}
		
		trace_t tr;
		UTIL_TraceLine( vecAttachment, vecAttachment + ( vecDir * MAX_TRACE_LENGTH ), MASK_SHOT, pOwner, COLLISION_GROUP_NONE, &tr );
		
		// Backup off the hit plane
		endPos = tr.endpos + ( tr.plane.normal * 4.0f );
	}
	else
	{
		// Just use our position if we can't predict it otherwise
		endPos = GetAbsOrigin();
	}

	// Randomly flutter
	scale = 16.0f + random->RandomFloat( -4.0f, 4.0f );

	// Draw our laser dot in space
	CMatRenderContextPtr pRenderContext( materials );
	pRenderContext->Bind( m_hSpriteMaterial, this );
	DrawSprite( endPos, scale, scale, color );

	return 1;
}

//-----------------------------------------------------------------------------
// Purpose: Setup our sprite reference
//-----------------------------------------------------------------------------
void CLaserDot::OnDataChanged( DataUpdateType_t updateType )
{
	if ( updateType == DATA_UPDATE_CREATED )
	{
		m_hSpriteMaterial.Init( RPG_LASER_SPRITE, TEXTURE_GROUP_CLIENT_EFFECTS );
	}
}

#endif	//CLIENT_DLL

//=============================================================================
// RPG Weapon
//=============================================================================

LINK_ENTITY_TO_CLASS( weapon_rpg, CWeaponRPG );

PRECACHE_WEAPON_REGISTER( weapon_rpg );

//IMPLEMENT_SERVERCLASS_ST( CWeaponRPG, DT_WeaponRPG )
//END_SEND_TABLE()

IMPLEMENT_NETWORKCLASS_ALIASED( WeaponRPG, DT_WeaponRPG )

BEGIN_DATADESC( CWeaponRPG )
DEFINE_FIELD( m_bIntialStateUpdate,		FIELD_BOOLEAN ),
	DEFINE_FIELD( m_bGuiding,					FIELD_BOOLEAN ),
#ifndef CLIENT_DLL
	DEFINE_FIELD( m_hLaserDot,				FIELD_EHANDLE ),
#endif
	DEFINE_FIELD( m_hMissile,					FIELD_EHANDLE ),
	DEFINE_FIELD( m_bLaserDotSuspended,		FIELD_BOOLEAN ),
	DEFINE_FIELD( m_flLaserDotReviveTime,		FIELD_TIME ),
END_DATADESC()


BEGIN_NETWORK_TABLE( CWeaponRPG, DT_WeaponRPG )
#ifdef CLIENT_DLL
	RecvPropBool( RECVINFO( m_bIntialStateUpdate ) ),
	RecvPropBool( RECVINFO( m_bGuiding ) ),
	RecvPropBool( RECVINFO( m_bLaserDotSuspended ) ),
//	RecvPropEHandle( RECVINFO( m_hMissile ), RecvProxy_MissileDied ),
//	RecvPropVector( RECVINFO( m_vecLaserDot ) ),
#else
	SendPropBool( SENDINFO( m_bIntialStateUpdate ) ),
	SendPropBool( SENDINFO( m_bGuiding ) ),
	SendPropBool( SENDINFO( m_bLaserDotSuspended ) ),
//	SendPropEHandle( SENDINFO( m_hMissile ) ),
//	SendPropVector( SENDINFO( m_vecLaserDot ) ),
#endif
END_NETWORK_TABLE()


BEGIN_PREDICTION_DATA( CWeaponRPG )
#ifdef CLIENT_DLL
	DEFINE_PRED_FIELD( m_bIntialStateUpdate,	FIELD_BOOLEAN, FTYPEDESC_INSENDTABLE ),
	DEFINE_PRED_FIELD( m_bGuiding,				FIELD_BOOLEAN, FTYPEDESC_INSENDTABLE ),
	DEFINE_PRED_FIELD( m_bLaserDotSuspended,	FIELD_BOOLEAN, FTYPEDESC_INSENDTABLE ),
	DEFINE_PRED_FIELD( m_flLaserDotReviveTime,	FIELD_FLOAT, FTYPEDESC_INSENDTABLE ),
#endif
END_PREDICTION_DATA()


//-----------------------------------------------------------------------------
// Purpose: Constructor
//-----------------------------------------------------------------------------
CWeaponRPG::CWeaponRPG( void )
{
	m_bReloadsSingly		= false;
	m_bFiresUnderwater		= true;
	m_bGuiding				= true;
	m_bIntialStateUpdate	= false;
	m_bLaserDotSuspended	= false;
}


CWeaponRPG::~CWeaponRPG()
{
#ifndef CLIENT_DLL
	if ( m_hLaserDot != NULL )
	{
		UTIL_Remove( m_hLaserDot );
		m_hLaserDot = NULL;
	}
#endif
}


//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CWeaponRPG::ItemPostFrame( void )
{
	BaseClass::ItemPostFrame();

	CBasePlayer *pPlayer = ToBasePlayer( GetOwner() );
	
	if ( pPlayer == NULL )
		return;

	//If we're pulling the weapon out for the first time, wait to draw the laser
	if ( m_bIntialStateUpdate ) 
	{
		if ( GetActivity() != ACT_VM_DRAW )
		{
			if ( IsGuiding() && !m_bLaserDotSuspended )
			{
#ifndef CLIENT_DLL
				if ( m_hLaserDot != NULL )
				{
					m_hLaserDot->TurnOn();
				}
#endif
			}

			m_bIntialStateUpdate = false;
		}
		else
		{
			return;
		}
	}

	//Player has toggled guidance state
	if ( pPlayer->m_afButtonPressed & IN_ATTACK2 )
	{
		if ( IsGuiding() )
		{
			StopGuiding();
		}
		else
		{
			StartGuiding();
		}
	}

	//Move the laser
	UpdateSpot();
}


void CWeaponRPG::Drop( const Vector &vecVelocity )
{
	StopGuiding();

#ifndef CLIENT_DLL
	if ( m_hLaserDot != NULL )
	{
		UTIL_Remove( m_hLaserDot );
		m_hLaserDot = NULL;
	}
#endif

	BaseClass::Drop( vecVelocity );
}


int CWeaponRPG::GetDefaultClip1( void ) const
{
	if ( g_pGameRules->IsMultiplayer() )
	{
		// more default ammo in multiplay. 
		return BaseClass::GetDefaultClip1() * 2;
	}
	else
	{
		return BaseClass::GetDefaultClip1();
	}
}


//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CWeaponRPG::Precache( void )
{
#ifndef CLIENT_DLL
	UTIL_PrecacheOther( "laser_spot" );
	UTIL_PrecacheOther( "rpg_rocket" );
#endif

//	PrecacheModel( RPG_LASER_SPRITE );
	PrecacheModel( "sprites/redglow_mp1.vmt" );

	BaseClass::Precache();
}


bool CWeaponRPG::Deploy( void )
{
	m_bIntialStateUpdate = true;
	m_bLaserDotSuspended = false;
	CreateLaserPointer();
#ifndef CLIENT_DLL
	if ( m_hLaserDot != NULL )
	{
		m_hLaserDot->TurnOff();
	}
#endif

	if ( m_iClip1 <= 0 )
	{
		return DefaultDeploy( (char*)GetViewModel(), (char*)GetWorldModel(), ACT_RPG_DRAW_UNLOADED, (char*)GetAnimPrefix() );
	}

	return DefaultDeploy( (char*)GetViewModel(), (char*)GetWorldModel(), ACT_VM_DRAW, (char*)GetAnimPrefix() );
}


//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CWeaponRPG::PrimaryAttack( void )
{
	// Can't have an active missile out
	if ( m_hMissile != NULL )
		return;

	// Can't be reloading
	if ( GetActivity() == ACT_VM_RELOAD )
		return;

	if ( m_iClip1 <= 0 )
	{
		if ( !m_bFireOnEmpty )
		{
			Reload();
		}
		else
		{
			WeaponSound( EMPTY );
			m_flNextPrimaryAttack = gpGlobals->curtime + 0.2;
		}
	}

	Vector vecOrigin;
	Vector vecForward;

	CBasePlayer *pOwner = ToBasePlayer( GetOwner() );
	
	if ( pOwner == NULL )
		return;

	SendWeaponAnim( ACT_VM_PRIMARYATTACK );
	WeaponSound( SINGLE );
#ifndef CLIENT_DLL
	CSoundEnt::InsertSound( SOUND_COMBAT, GetAbsOrigin(), 400, 0.2 );
#endif
	pOwner->DoMuzzleFlash();

#ifndef CLIENT_DLL
	// Register a muzzleflash for the AI
	pOwner->SetMuzzleFlashTime( gpGlobals->curtime + 0.5 );
#endif

	Vector	vForward, vRight, vUp;

	pOwner->EyeVectors( &vForward, &vRight, &vUp );

	Vector	muzzlePoint = pOwner->Weapon_ShootPosition() + vForward * 16.0f + vRight * 8.0f + vUp * -8.0f;

#ifndef CLIENT_DLL
	QAngle vecAngles;
	VectorAngles( vForward, vecAngles );

	CRpgRocket * pMissile = CRpgRocket::Create( muzzlePoint, vecAngles, pOwner );
	pMissile->m_hOwner = this;
	pMissile->SetAbsVelocity( pMissile->GetAbsVelocity() + vForward * DotProduct( pOwner->GetAbsVelocity(), vForward ) );

	m_hMissile = pMissile;
#endif

	pOwner->ViewPunch( QAngle( -5, 0, 0 ) );

	m_iClip1--; 
				
	m_flNextPrimaryAttack = gpGlobals->curtime + 1.5;
	SetWeaponIdleTime( 1.5 );

	UpdateSpot();
}


void CWeaponRPG::WeaponIdle( void )
{
	CBaseCombatCharacter *pOwner = GetOwner();
	
	if ( pOwner == NULL )
		return;

	if ( !HasWeaponIdleTimeElapsed() )
		return;

	int iAnim;
	float flRand = random->RandomFloat( 0, 1 );
	if ( flRand <= 0.75 || IsGuiding() )
	{
		if ( m_iClip1 <= 0 )
			iAnim = ACT_RPG_IDLE_UNLOADED;
		else
			iAnim = ACT_VM_IDLE;
	}
	else
	{
		if ( m_iClip1 <= 0 )
			iAnim = ACT_RPG_FIDGET_UNLOADED;
		else
			iAnim = ACT_VM_FIDGET;
	}

	SendWeaponAnim( iAnim );
}


void CWeaponRPG::NotifyRocketDied( void )
{
	m_hMissile = NULL;

	// Can't be reloading
	if ( GetActivity() == ACT_VM_RELOAD )
		return;

//	Reload();
}


bool CWeaponRPG::Reload( void )
{
	CBaseCombatCharacter *pOwner = GetOwner();

#if 0
	if ( pOwner == NULL )
		return false;

	if ( pOwner->GetAmmoCount(m_iPrimaryAmmoType) <= 0 )
		return false;

	WeaponSound( RELOAD );
	
	SendWeaponAnim( ACT_VM_RELOAD );

#ifndef CLIENT_DLL
	if ( m_hLaserDot != NULL )
	{
		m_hLaserDot->TurnOff();
	}
#endif

	m_bLaserDotSuspended = true;
	m_flLaserDotReviveTime = gpGlobals->curtime + 2.1;
	m_flNextPrimaryAttack = gpGlobals->curtime + 2.1;
	m_flNextSecondaryAttack = gpGlobals->curtime + 2.1;

	return true;
#endif

	// Can't be reloading
	if ( GetActivity() == ACT_VM_RELOAD )
		return false;

	if ( pOwner == NULL )
		return false;

	if ( m_iClip1 > 0 )
		return false;

	if ( pOwner->GetAmmoCount(m_iPrimaryAmmoType) <= 0 )
		return false;

	// because the RPG waits to autoreload when no missiles are active while  the LTD is on, the
	// weapons code is constantly calling into this function, but is often denied because 
	// a) missiles are in flight, but the LTD is on
	// or
	// b) player is totally out of ammo and has nothing to switch to, and should be allowed to
	//    shine the designator around
	//
	// Set the next attack time into the future so that WeaponIdle will get called more often
	// than reload, allowing the RPG LTD to be updated
	
	if ( ( m_hMissile != NULL ) && IsGuiding() )
	{
		// no reloading when there are active missiles tracking the designator.
		// ward off future autoreload attempts by setting next attack time into the future for a bit. 
		return false;
	}

#ifndef CLIENT_DLL
	if ( m_hLaserDot != NULL )
	{
		m_hLaserDot->TurnOff();
	}
#endif

	m_bLaserDotSuspended = true;
	m_flLaserDotReviveTime = gpGlobals->curtime + 2.1;
	m_flNextSecondaryAttack = gpGlobals->curtime + 2.1;

	return DefaultReload( GetMaxClip1(), GetMaxClip2(), ACT_VM_RELOAD );
}


bool CWeaponRPG::Holster( CBaseCombatWeapon *pSwitchingTo )
{
	// can't put away while guiding a missile.
	if ( IsGuiding() && ( m_hMissile != NULL ) )
		return false;

//	StopGuiding();

#ifndef CLIENT_DLL
	if ( m_hLaserDot != NULL )
	{
		m_hLaserDot->TurnOff();
		UTIL_Remove( m_hLaserDot );
		m_hLaserDot = NULL;
	}
#endif

	m_bLaserDotSuspended = false;

	return BaseClass::Holster( pSwitchingTo );
}


void CWeaponRPG::UpdateSpot( void )
{
	CBasePlayer *pPlayer = ToBasePlayer( GetOwner() );
	
	if ( pPlayer == NULL )
		return;

	CreateLaserPointer();

#ifndef CLIENT_DLL
	if ( m_hLaserDot == NULL )
		return;
#endif

	if ( IsGuiding() && m_bLaserDotSuspended && ( m_flLaserDotReviveTime <= gpGlobals->curtime ) )
	{
#ifndef CLIENT_DLL
		m_hLaserDot->TurnOn();
#endif
		m_bLaserDotSuspended = false;
	}

	//Move the laser dot, if active
	trace_t	tr;
	Vector	muzzlePos = pPlayer->Weapon_ShootPosition();
	
	Vector	forward;
	AngleVectors( pPlayer->EyeAngles() + pPlayer->m_Local.m_vecPunchAngle, &forward );

	Vector	endPos = muzzlePos + ( forward * MAX_TRACE_LENGTH );

	// Trace out for the endpoint
	UTIL_TraceLine( muzzlePos, endPos, MASK_SHOT, this, COLLISION_GROUP_NONE, &tr );

	// Move the laser sprite
	Vector	laserPos = tr.endpos + ( tr.plane.normal * 2.0f );
#ifndef CLIENT_DLL
	m_hLaserDot->SetLaserPosition( laserPos, tr.plane.normal );
#endif
}


void CWeaponRPG::CreateLaserPointer( void )
{
#ifndef CLIENT_DLL
	if ( m_hLaserDot != NULL )
		return;

	m_hLaserDot = CLaserDot::Create( GetAbsOrigin(), GetOwner() );
	if ( !IsGuiding() )
	{
		if ( m_hLaserDot )
		{
			m_hLaserDot->TurnOff();
		}
	}
#endif
}


bool CWeaponRPG::IsGuiding( void )
{
	return m_bGuiding;
}


void CWeaponRPG::StartGuiding( void )
{
	m_bGuiding = true;

#ifndef CLIENT_DLL
	if ( m_hLaserDot != NULL )
	{
		m_hLaserDot->TurnOn();
	}
#endif

	UpdateSpot();
}

void CWeaponRPG::StopGuiding( void )
{
	m_bGuiding = false;

#ifndef CLIENT_DLL
	if ( m_hLaserDot != NULL )
	{
		m_hLaserDot->TurnOff();
	}
#endif
}