Fix build.

cl_dll/hl/hl_baseentity.cpp

@@ -314,6 +314,7 @@ int CBasePlayerItem::Restore( class CRestore & ) { return 1; }
 int CBasePlayerItem::Save( class CSave & ) { return 1; }
 int CBasePlayerWeapon::Restore( class CRestore & ) { return 1; }
 int CBasePlayerWeapon::Save( class CSave & ) { return 1; }
+float CBasePlayerWeapon::GetNextAttackDelay( float flTime ) { return flTime; }
 void CBasePlayerItem::SetObjectCollisionBox( void ) { }
 void CBasePlayerItem::FallInit( void ) { }
 void CBasePlayerItem::FallThink( void ) { }

dlls/weapons.cpp

@@ -625,6 +625,11 @@ void CBasePlayerWeapon::ItemPostFrame( void )
 		m_fInReload = FALSE;
 	}
 
+	if( !( m_pPlayer->pev->button & IN_ATTACK ) )
+	{
+		m_flLastFireTime = 0.0f;
+	}
+
 	if( ( m_pPlayer->pev->button & IN_ATTACK2 ) && CanAttack( m_flNextSecondaryAttack, gpGlobals->time, UseDecrement() ) )
 	{
 		if( pszAmmo2() && !m_pPlayer->m_rgAmmo[SecondaryAmmoIndex()] )
@@ -963,6 +968,7 @@ BOOL CBasePlayerWeapon::DefaultDeploy( char *szViewModel, char *szWeaponModel, i
 
 	m_pPlayer->m_flNextAttack = UTIL_WeaponTimeBase() + 0.5;
 	m_flTimeWeaponIdle = UTIL_WeaponTimeBase() + 1.0;
+	m_flLastFireTime = 0.0f;
 
 	return TRUE;
 }
@@ -1150,6 +1156,37 @@ void CBasePlayerWeapon::RetireWeapon( void )
 	g_pGameRules->GetNextBestWeapon( m_pPlayer, this );
 }
 
+//=========================================================================
+// GetNextAttackDelay - An accurate way of calcualting the next attack time.
+//=========================================================================
+float CBasePlayerWeapon::GetNextAttackDelay( float delay )
+{		
+	if( m_flLastFireTime == 0 || m_flNextPrimaryAttack == -1 )
+	{
+		// At this point, we are assuming that the client has stopped firing
+		// and we are going to reset our book keeping variables.
+		m_flLastFireTime = gpGlobals->time;
+		m_flPrevPrimaryAttack = delay;
+	}
+
+	// calculate the time between this shot and the previous
+	float flTimeBetweenFires = gpGlobals->time - m_flLastFireTime;
+	float flCreep = 0.0f;
+	if( flTimeBetweenFires > 0 )
+		flCreep = flTimeBetweenFires - m_flPrevPrimaryAttack; // postive or negative
+
+	// save the last fire time
+	m_flLastFireTime = gpGlobals->time;
+
+	float flNextAttack = UTIL_WeaponTimeBase() + delay - flCreep;
+	// we need to remember what the m_flNextPrimaryAttack time is set to for each shot, 
+	// store it as m_flPrevPrimaryAttack.
+	m_flPrevPrimaryAttack = flNextAttack - UTIL_WeaponTimeBase();
+	//char szMsg[256];
+	//_snprintf( szMsg, sizeof(szMsg), "next attack time: %0.4f\n", gpGlobals->time + flNextAttack );
+	//OutputDebugString( szMsg );
+	return flNextAttack;
+}
 //*********************************************************
 // weaponbox code:
 //*********************************************************

dlls/weapons.h

@@ -335,6 +335,7 @@ public:
 	void PrintState( void );
 
 	virtual CBasePlayerItem *GetWeaponPtr( void ) { return (CBasePlayerItem *)this; };
+	float GetNextAttackDelay( float delay );
 
 	float m_flPumpTime;
 	int		m_fInSpecialReload;									// Are we in the middle of a reload for the shotguns
@@ -349,6 +350,10 @@ public:
 	int		m_fInReload;										// Are we in the middle of a reload;
 
 	int		m_iDefaultAmmo;// how much ammo you get when you pick up this weapon as placed by a level designer.
+
+	// hle time creep vars
+	float m_flPrevPrimaryAttack;
+	float m_flLastFireTime;
 };
 
 class CBasePlayerAmmo : public CBaseEntity