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diff --git a/game/server/hl2/weapon_ar2.cpp b/game/server/hl2/weapon_ar2.cpp
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+++ b/game/server/hl2/weapon_ar2.cpp
@@ -0,0 +1,512 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "basecombatweapon.h"
+#include "npcevent.h"
+#include "basecombatcharacter.h"
+#include "ai_basenpc.h"
+#include "player.h"
+#include "weapon_ar2.h"
+#include "grenade_ar2.h"
+#include "gamerules.h"
+#include "game.h"
+#include "in_buttons.h"
+#include "ai_memory.h"
+#include "soundent.h"
+#include "hl2_player.h"
+#include "EntityFlame.h"
+#include "weapon_flaregun.h"
+#include "te_effect_dispatch.h"
+#include "prop_combine_ball.h"
+#include "beam_shared.h"
+#include "npc_combine.h"
+#include "rumble_shared.h"
+#include "gamestats.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+ConVar sk_weapon_ar2_alt_fire_radius( "sk_weapon_ar2_alt_fire_radius", "10" );
+ConVar sk_weapon_ar2_alt_fire_duration( "sk_weapon_ar2_alt_fire_duration", "2" );
+ConVar sk_weapon_ar2_alt_fire_mass( "sk_weapon_ar2_alt_fire_mass", "150" );
+
+//=========================================================
+//=========================================================
+
+BEGIN_DATADESC( CWeaponAR2 )
+
+	DEFINE_FIELD( m_flDelayedFire,	FIELD_TIME ),
+	DEFINE_FIELD( m_bShotDelayed,	FIELD_BOOLEAN ),
+	//DEFINE_FIELD( m_nVentPose, FIELD_INTEGER ),
+
+END_DATADESC()
+
+IMPLEMENT_SERVERCLASS_ST(CWeaponAR2, DT_WeaponAR2)
+END_SEND_TABLE()
+
+LINK_ENTITY_TO_CLASS( weapon_ar2, CWeaponAR2 );
+PRECACHE_WEAPON_REGISTER(weapon_ar2);
+
+acttable_t	CWeaponAR2::m_acttable[] = 
+{
+	{ ACT_RANGE_ATTACK1,			ACT_RANGE_ATTACK_AR2,			true },
+	{ ACT_RELOAD,					ACT_RELOAD_SMG1,				true },		// FIXME: hook to AR2 unique
+	{ ACT_IDLE,						ACT_IDLE_SMG1,					true },		// FIXME: hook to AR2 unique
+	{ ACT_IDLE_ANGRY,				ACT_IDLE_ANGRY_SMG1,			true },		// FIXME: hook to AR2 unique
+
+	{ ACT_WALK,						ACT_WALK_RIFLE,					true },
+
+// Readiness activities (not aiming)
+	{ ACT_IDLE_RELAXED,				ACT_IDLE_SMG1_RELAXED,			false },//never aims
+	{ ACT_IDLE_STIMULATED,			ACT_IDLE_SMG1_STIMULATED,		false },
+	{ ACT_IDLE_AGITATED,			ACT_IDLE_ANGRY_SMG1,			false },//always aims
+
+	{ ACT_WALK_RELAXED,				ACT_WALK_RIFLE_RELAXED,			false },//never aims
+	{ ACT_WALK_STIMULATED,			ACT_WALK_RIFLE_STIMULATED,		false },
+	{ ACT_WALK_AGITATED,			ACT_WALK_AIM_RIFLE,				false },//always aims
+
+	{ ACT_RUN_RELAXED,				ACT_RUN_RIFLE_RELAXED,			false },//never aims
+	{ ACT_RUN_STIMULATED,			ACT_RUN_RIFLE_STIMULATED,		false },
+	{ ACT_RUN_AGITATED,				ACT_RUN_AIM_RIFLE,				false },//always aims
+
+// Readiness activities (aiming)
+	{ ACT_IDLE_AIM_RELAXED,			ACT_IDLE_SMG1_RELAXED,			false },//never aims	
+	{ ACT_IDLE_AIM_STIMULATED,		ACT_IDLE_AIM_RIFLE_STIMULATED,	false },
+	{ ACT_IDLE_AIM_AGITATED,		ACT_IDLE_ANGRY_SMG1,			false },//always aims
+
+	{ ACT_WALK_AIM_RELAXED,			ACT_WALK_RIFLE_RELAXED,			false },//never aims
+	{ ACT_WALK_AIM_STIMULATED,		ACT_WALK_AIM_RIFLE_STIMULATED,	false },
+	{ ACT_WALK_AIM_AGITATED,		ACT_WALK_AIM_RIFLE,				false },//always aims
+
+	{ ACT_RUN_AIM_RELAXED,			ACT_RUN_RIFLE_RELAXED,			false },//never aims
+	{ ACT_RUN_AIM_STIMULATED,		ACT_RUN_AIM_RIFLE_STIMULATED,	false },
+	{ ACT_RUN_AIM_AGITATED,			ACT_RUN_AIM_RIFLE,				false },//always aims
+//End readiness activities
+
+	{ ACT_WALK_AIM,					ACT_WALK_AIM_RIFLE,				true },
+	{ ACT_WALK_CROUCH,				ACT_WALK_CROUCH_RIFLE,			true },
+	{ ACT_WALK_CROUCH_AIM,			ACT_WALK_CROUCH_AIM_RIFLE,		true },
+	{ ACT_RUN,						ACT_RUN_RIFLE,					true },
+	{ ACT_RUN_AIM,					ACT_RUN_AIM_RIFLE,				true },
+	{ ACT_RUN_CROUCH,				ACT_RUN_CROUCH_RIFLE,			true },
+	{ ACT_RUN_CROUCH_AIM,			ACT_RUN_CROUCH_AIM_RIFLE,		true },
+	{ ACT_GESTURE_RANGE_ATTACK1,	ACT_GESTURE_RANGE_ATTACK_AR2,	false },
+	{ ACT_COVER_LOW,				ACT_COVER_SMG1_LOW,				false },		// FIXME: hook to AR2 unique
+	{ ACT_RANGE_AIM_LOW,			ACT_RANGE_AIM_AR2_LOW,			false },
+	{ ACT_RANGE_ATTACK1_LOW,		ACT_RANGE_ATTACK_SMG1_LOW,		true },		// FIXME: hook to AR2 unique
+	{ ACT_RELOAD_LOW,				ACT_RELOAD_SMG1_LOW,			false },
+	{ ACT_GESTURE_RELOAD,			ACT_GESTURE_RELOAD_SMG1,		true },
+//	{ ACT_RANGE_ATTACK2, ACT_RANGE_ATTACK_AR2_GRENADE, true },
+};
+
+IMPLEMENT_ACTTABLE(CWeaponAR2);
+
+CWeaponAR2::CWeaponAR2( )
+{
+	m_fMinRange1	= 65;
+	m_fMaxRange1	= 2048;
+
+	m_fMinRange2	= 256;
+	m_fMaxRange2	= 1024;
+
+	m_nShotsFired	= 0;
+	m_nVentPose		= -1;
+
+	m_bAltFiresUnderwater = false;
+}
+
+void CWeaponAR2::Precache( void )
+{
+	BaseClass::Precache();
+
+	UTIL_PrecacheOther( "prop_combine_ball" );
+	UTIL_PrecacheOther( "env_entity_dissolver" );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Handle grenade detonate in-air (even when no ammo is left)
+//-----------------------------------------------------------------------------
+void CWeaponAR2::ItemPostFrame( void )
+{
+	// See if we need to fire off our secondary round
+	if ( m_bShotDelayed && gpGlobals->curtime > m_flDelayedFire )
+	{
+		DelayedAttack();
+	}
+
+	// Update our pose parameter for the vents
+	CBasePlayer *pOwner = ToBasePlayer( GetOwner() );
+
+	if ( pOwner )
+	{
+		CBaseViewModel *pVM = pOwner->GetViewModel();
+
+		if ( pVM )
+		{
+			if ( m_nVentPose == -1 )
+			{
+				m_nVentPose = pVM->LookupPoseParameter( "VentPoses" );
+			}
+			
+			float flVentPose = RemapValClamped( m_nShotsFired, 0, 5, 0.0f, 1.0f );
+			pVM->SetPoseParameter( m_nVentPose, flVentPose );
+		}
+	}
+
+	BaseClass::ItemPostFrame();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Output : Activity
+//-----------------------------------------------------------------------------
+Activity CWeaponAR2::GetPrimaryAttackActivity( void )
+{
+	if ( m_nShotsFired < 2 )
+		return ACT_VM_PRIMARYATTACK;
+
+	if ( m_nShotsFired < 3 )
+		return ACT_VM_RECOIL1;
+	
+	if ( m_nShotsFired < 4 )
+		return ACT_VM_RECOIL2;
+
+	return ACT_VM_RECOIL3;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : &tr - 
+//			nDamageType - 
+//-----------------------------------------------------------------------------
+void CWeaponAR2::DoImpactEffect( trace_t &tr, int nDamageType )
+{
+	CEffectData data;
+
+	data.m_vOrigin = tr.endpos + ( tr.plane.normal * 1.0f );
+	data.m_vNormal = tr.plane.normal;
+
+	DispatchEffect( "AR2Impact", data );
+
+	BaseClass::DoImpactEffect( tr, nDamageType );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CWeaponAR2::DelayedAttack( void )
+{
+	m_bShotDelayed = false;
+	
+	CBasePlayer *pOwner = ToBasePlayer( GetOwner() );
+	
+	if ( pOwner == NULL )
+		return;
+
+	// Deplete the clip completely
+	SendWeaponAnim( ACT_VM_SECONDARYATTACK );
+	m_flNextSecondaryAttack = pOwner->m_flNextAttack = gpGlobals->curtime + SequenceDuration();
+
+	// Register a muzzleflash for the AI
+	pOwner->DoMuzzleFlash();
+	pOwner->SetMuzzleFlashTime( gpGlobals->curtime + 0.5 );
+	
+	WeaponSound( WPN_DOUBLE );
+
+	pOwner->RumbleEffect(RUMBLE_SHOTGUN_DOUBLE, 0, RUMBLE_FLAG_RESTART );
+
+	// Fire the bullets
+	Vector vecSrc	 = pOwner->Weapon_ShootPosition( );
+	Vector vecAiming = pOwner->GetAutoaimVector( AUTOAIM_SCALE_DEFAULT );
+	Vector impactPoint = vecSrc + ( vecAiming * MAX_TRACE_LENGTH );
+
+	// Fire the bullets
+	Vector vecVelocity = vecAiming * 1000.0f;
+
+	// Fire the combine ball
+	CreateCombineBall(	vecSrc, 
+						vecVelocity, 
+						sk_weapon_ar2_alt_fire_radius.GetFloat(), 
+						sk_weapon_ar2_alt_fire_mass.GetFloat(),
+						sk_weapon_ar2_alt_fire_duration.GetFloat(),
+						pOwner );
+
+	// View effects
+	color32 white = {255, 255, 255, 64};
+	UTIL_ScreenFade( pOwner, white, 0.1, 0, FFADE_IN  );
+	
+	//Disorient the player
+	QAngle angles = pOwner->GetLocalAngles();
+
+	angles.x += random->RandomInt( -4, 4 );
+	angles.y += random->RandomInt( -4, 4 );
+	angles.z = 0;
+
+	pOwner->SnapEyeAngles( angles );
+	
+	pOwner->ViewPunch( QAngle( random->RandomInt( -8, -12 ), random->RandomInt( 1, 2 ), 0 ) );
+
+	// Decrease ammo
+	pOwner->RemoveAmmo( 1, m_iSecondaryAmmoType );
+
+	// Can shoot again immediately
+	m_flNextPrimaryAttack = gpGlobals->curtime + 0.5f;
+
+	// Can blow up after a short delay (so have time to release mouse button)
+	m_flNextSecondaryAttack = gpGlobals->curtime + 1.0f;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CWeaponAR2::SecondaryAttack( void )
+{
+	if ( m_bShotDelayed )
+		return;
+
+	// Cannot fire underwater
+	if ( GetOwner() && GetOwner()->GetWaterLevel() == 3 )
+	{
+		SendWeaponAnim( ACT_VM_DRYFIRE );
+		BaseClass::WeaponSound( EMPTY );
+		m_flNextSecondaryAttack = gpGlobals->curtime + 0.5f;
+		return;
+	}
+
+	m_bShotDelayed = true;
+	m_flNextPrimaryAttack = m_flNextSecondaryAttack = m_flDelayedFire = gpGlobals->curtime + 0.5f;
+
+	CBasePlayer *pPlayer = ToBasePlayer( GetOwner() );
+	if( pPlayer )
+	{
+		pPlayer->RumbleEffect(RUMBLE_AR2_ALT_FIRE, 0, RUMBLE_FLAG_RESTART );
+	}
+
+	SendWeaponAnim( ACT_VM_FIDGET );
+	WeaponSound( SPECIAL1 );
+
+	m_iSecondaryAttacks++;
+	gamestats->Event_WeaponFired( pPlayer, false, GetClassname() );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Override if we're waiting to release a shot
+// Output : Returns true on success, false on failure.
+//-----------------------------------------------------------------------------
+bool CWeaponAR2::CanHolster( void )
+{
+	if ( m_bShotDelayed )
+		return false;
+
+	return BaseClass::CanHolster();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Override if we're waiting to release a shot
+//-----------------------------------------------------------------------------
+bool CWeaponAR2::Reload( void )
+{
+	if ( m_bShotDelayed )
+		return false;
+
+	return BaseClass::Reload();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *pOperator - 
+//-----------------------------------------------------------------------------
+void CWeaponAR2::FireNPCPrimaryAttack( CBaseCombatCharacter *pOperator, bool bUseWeaponAngles )
+{
+	Vector vecShootOrigin, vecShootDir;
+
+	CAI_BaseNPC *npc = pOperator->MyNPCPointer();
+	ASSERT( npc != NULL );
+
+	if ( bUseWeaponAngles )
+	{
+		QAngle	angShootDir;
+		GetAttachment( LookupAttachment( "muzzle" ), vecShootOrigin, angShootDir );
+		AngleVectors( angShootDir, &vecShootDir );
+	}
+	else 
+	{
+		vecShootOrigin = pOperator->Weapon_ShootPosition();
+		vecShootDir = npc->GetActualShootTrajectory( vecShootOrigin );
+	}
+
+	WeaponSoundRealtime( SINGLE_NPC );
+
+	CSoundEnt::InsertSound( SOUND_COMBAT|SOUND_CONTEXT_GUNFIRE, pOperator->GetAbsOrigin(), SOUNDENT_VOLUME_MACHINEGUN, 0.2, pOperator, SOUNDENT_CHANNEL_WEAPON, pOperator->GetEnemy() );
+
+	pOperator->FireBullets( 1, vecShootOrigin, vecShootDir, VECTOR_CONE_PRECALCULATED, MAX_TRACE_LENGTH, m_iPrimaryAmmoType, 2 );
+
+	// NOTENOTE: This is overriden on the client-side
+	// pOperator->DoMuzzleFlash();
+
+	m_iClip1 = m_iClip1 - 1;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CWeaponAR2::FireNPCSecondaryAttack( CBaseCombatCharacter *pOperator, bool bUseWeaponAngles )
+{
+	WeaponSound( WPN_DOUBLE );
+
+	if ( !GetOwner() )
+		return;
+		
+	CAI_BaseNPC *pNPC = GetOwner()->MyNPCPointer();
+	if ( !pNPC )
+		return;
+	
+	// Fire!
+	Vector vecSrc;
+	Vector vecAiming;
+
+	if ( bUseWeaponAngles )
+	{
+		QAngle	angShootDir;
+		GetAttachment( LookupAttachment( "muzzle" ), vecSrc, angShootDir );
+		AngleVectors( angShootDir, &vecAiming );
+	}
+	else 
+	{
+		vecSrc = pNPC->Weapon_ShootPosition( );
+		
+		Vector vecTarget;
+
+		CNPC_Combine *pSoldier = dynamic_cast<CNPC_Combine *>( pNPC );
+		if ( pSoldier )
+		{
+			// In the distant misty past, elite soldiers tried to use bank shots.
+			// Therefore, we must ask them specifically what direction they are shooting.
+			vecTarget = pSoldier->GetAltFireTarget();
+		}
+		else
+		{
+			// All other users of the AR2 alt-fire shoot directly at their enemy.
+			if ( !pNPC->GetEnemy() )
+				return;
+				
+			vecTarget = pNPC->GetEnemy()->BodyTarget( vecSrc );
+		}
+
+		vecAiming = vecTarget - vecSrc;
+		VectorNormalize( vecAiming );
+	}
+
+	Vector impactPoint = vecSrc + ( vecAiming * MAX_TRACE_LENGTH );
+
+	float flAmmoRatio = 1.0f;
+	float flDuration = RemapValClamped( flAmmoRatio, 0.0f, 1.0f, 0.5f, sk_weapon_ar2_alt_fire_duration.GetFloat() );
+	float flRadius = RemapValClamped( flAmmoRatio, 0.0f, 1.0f, 4.0f, sk_weapon_ar2_alt_fire_radius.GetFloat() );
+
+	// Fire the bullets
+	Vector vecVelocity = vecAiming * 1000.0f;
+
+	// Fire the combine ball
+	CreateCombineBall(	vecSrc, 
+		vecVelocity, 
+		flRadius, 
+		sk_weapon_ar2_alt_fire_mass.GetFloat(),
+		flDuration,
+		pNPC );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CWeaponAR2::Operator_ForceNPCFire( CBaseCombatCharacter *pOperator, bool bSecondary )
+{
+	if ( bSecondary )
+	{
+		FireNPCSecondaryAttack( pOperator, true );
+	}
+	else
+	{
+		// Ensure we have enough rounds in the clip
+		m_iClip1++;
+
+		FireNPCPrimaryAttack( pOperator, true );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *pEvent - 
+//			*pOperator - 
+//-----------------------------------------------------------------------------
+void CWeaponAR2::Operator_HandleAnimEvent( animevent_t *pEvent, CBaseCombatCharacter *pOperator )
+{
+	switch( pEvent->event )
+	{ 
+		case EVENT_WEAPON_AR2:
+			{
+				FireNPCPrimaryAttack( pOperator, false );
+			}
+			break;
+
+		case EVENT_WEAPON_AR2_ALTFIRE:
+			{
+				FireNPCSecondaryAttack( pOperator, false );
+			}
+			break;
+
+		default:
+			CBaseCombatWeapon::Operator_HandleAnimEvent( pEvent, pOperator );
+			break;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CWeaponAR2::AddViewKick( void )
+{
+	#define	EASY_DAMPEN			0.5f
+	#define	MAX_VERTICAL_KICK	8.0f	//Degrees
+	#define	SLIDE_LIMIT			5.0f	//Seconds
+	
+	//Get the view kick
+	CBasePlayer *pPlayer = ToBasePlayer( GetOwner() );
+
+	if (!pPlayer)
+		return;
+
+	float flDuration = m_fFireDuration;
+
+	if( g_pGameRules->GetAutoAimMode() == AUTOAIM_ON_CONSOLE )
+	{
+		// On the 360 (or in any configuration using the 360 aiming scheme), don't let the
+		// AR2 progressive into the late, highly inaccurate stages of its kick. Just
+		// spoof the time to make it look (to the kicking code) like we haven't been
+		// firing for very long.
+		flDuration = MIN( flDuration, 0.75f );
+	}
+
+	DoMachineGunKick( pPlayer, EASY_DAMPEN, MAX_VERTICAL_KICK, flDuration, SLIDE_LIMIT );
+}
+
+//-----------------------------------------------------------------------------
+const WeaponProficiencyInfo_t *CWeaponAR2::GetProficiencyValues()
+{
+	static WeaponProficiencyInfo_t proficiencyTable[] =
+	{
+		{ 7.0,		0.75	},
+		{ 5.00,		0.75	},
+		{ 3.0,		0.85	},
+		{ 5.0/3.0,	0.75	},
+		{ 1.00,		1.0		},
+	};
+
+	COMPILE_TIME_ASSERT( ARRAYSIZE(proficiencyTable) == WEAPON_PROFICIENCY_PERFECT + 1);
+
+	return proficiencyTable;
+}