One shot per click.

dlls/glock.cpp

@@ -127,6 +127,9 @@ void CGlock::SecondaryAttack( void )
 
 void CGlock::PrimaryAttack( void )
 {
+	if( FBitSet( m_pPlayer->m_afButtonLast, IN_ATTACK ) )
+		return;
+
 	GlockFire( 0.01, 0.2, TRUE );
 }
 

dlls/noffice/torch.cpp

@@ -101,6 +101,9 @@ void CTorch::Holster( int skiplocal /*= 0*/ )
 
 void CTorch::PrimaryAttack()
 {
+	if( FBitSet( m_pPlayer->m_afButtonLast, IN_ATTACK ) )
+		return;
+
 	SendWeaponAnim( TORCH_SWITCH );
 
 	EMIT_SOUND( ENT( pev ), CHAN_VOICE, "items/flashlight1.wav", VOL_NORM, ATTN_NORM );

dlls/shotgun.cpp

@@ -117,6 +117,9 @@ BOOL CShotgun::Deploy()
 
 void CShotgun::PrimaryAttack()
 {
+	if( FBitSet( m_pPlayer->m_afButtonLast, IN_ATTACK ) )
+		return;
+
 	// don't fire underwater
 	if( m_pPlayer->pev->waterlevel == 3 )
 	{