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diff --git a/game/server/hl2/basehlcombatweapon.h b/game/server/hl2/basehlcombatweapon.h
new file mode 100644
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+++ b/game/server/hl2/basehlcombatweapon.h
@@ -0,0 +1,97 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "basehlcombatweapon_shared.h"
+
+#ifndef BASEHLCOMBATWEAPON_H
+#define BASEHLCOMBATWEAPON_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+//=========================================================
+// Machine gun base class
+//=========================================================
+abstract_class CHLMachineGun : public CBaseHLCombatWeapon
+{
+public:
+	DECLARE_CLASS( CHLMachineGun, CBaseHLCombatWeapon );
+	DECLARE_DATADESC();
+
+	CHLMachineGun();
+	
+	DECLARE_SERVERCLASS();
+
+	void	PrimaryAttack( void );
+
+	// Default calls through to m_hOwner, but plasma weapons can override and shoot projectiles here.
+	virtual void	ItemPostFrame( void );
+	virtual void	FireBullets( const FireBulletsInfo_t &info );
+	virtual float	GetFireRate( void ) = 0;
+	virtual int		WeaponRangeAttack1Condition( float flDot, float flDist );
+	virtual bool	Deploy( void );
+
+	virtual const Vector &GetBulletSpread( void );
+
+	int				WeaponSoundRealtime( WeaponSound_t shoot_type );
+
+	// utility function
+	static void DoMachineGunKick( CBasePlayer *pPlayer, float dampEasy, float maxVerticleKickAngle, float fireDurationTime, float slideLimitTime );
+
+protected:
+
+	int	m_nShotsFired;	// Number of consecutive shots fired
+
+	float	m_flNextSoundTime;	// real-time clock of when to make next sound
+};
+
+//=========================================================
+// Machine guns capable of switching between full auto and 
+// burst fire modes.
+//=========================================================
+// Mode settings for select fire weapons
+enum
+{
+	FIREMODE_FULLAUTO = 1,
+	FIREMODE_SEMI,
+	FIREMODE_3RNDBURST,
+};
+
+//=========================================================
+//	>> CHLSelectFireMachineGun
+//=========================================================
+class CHLSelectFireMachineGun : public CHLMachineGun
+{
+	DECLARE_CLASS( CHLSelectFireMachineGun, CHLMachineGun );
+public:
+
+	CHLSelectFireMachineGun( void );
+	
+	DECLARE_SERVERCLASS();
+
+	virtual float	GetBurstCycleRate( void );
+	virtual float	GetFireRate( void );
+
+	virtual bool	Deploy( void );
+	virtual void	WeaponSound( WeaponSound_t shoot_type, float soundtime = 0.0f );
+
+	DECLARE_DATADESC();
+
+	virtual int		GetBurstSize( void ) { return 3; };
+
+	void			BurstThink( void );
+
+	virtual void	PrimaryAttack( void );
+	virtual void	SecondaryAttack( void );
+
+	virtual int		WeaponRangeAttack1Condition( float flDot, float flDist );
+	virtual int		WeaponRangeAttack2Condition( float flDot, float flDist );
+
+protected:
+	int m_iBurstSize;
+	int	m_iFireMode;
+};
+#endif // BASEHLCOMBATWEAPON_H