C++ pszAmmo1函数代码示例

/*
=====================
CBasePlayerWeapon :: CanDeploy
=====================
*/
bool CBasePlayerWeapon::CanDeploy() const
{
	bool bHasAmmo = false;

	if ( !pszAmmo1() )
	{
		// this weapon doesn't use ammo, can always deploy.
		return true;
	}

	if ( pszAmmo1() )
	{
		bHasAmmo |= (m_pPlayer->m_rgAmmo[m_iPrimaryAmmoType] != 0);
	}
	if ( pszAmmo2() )
	{
		bHasAmmo |= (m_pPlayer->m_rgAmmo[m_iSecondaryAmmoType] != 0);
	}
	if (m_iClip > 0)
	{
		bHasAmmo |= 1;
	}
	if (!bHasAmmo)
	{
		return false;
	}

	return true;
}

BOOL CBasePlayerWeapon :: CanDeploy( void )
{
	BOOL bHasAmmo = 0;

	if ( !pszAmmo1() )
	{
		// this weapon doesn't use ammo, can always deploy.
		return TRUE;
	}

	if ( pszAmmo1() )
	{
		bHasAmmo |= (m_pPlayer->m_rgAmmo[m_iPrimaryAmmoType] != 0);
	}
	if ( pszAmmo2() )
	{
		bHasAmmo |= (m_pPlayer->m_rgAmmo[m_iSecondaryAmmoType] != 0);
	}
	if (m_iClip > 0)
	{
		bHasAmmo |= 1;
	}
	if (!bHasAmmo)
	{
		return FALSE;
	}

	return TRUE;
}

//=========================================================
// called by the new item with the existing item as parameter
//
// if we call ExtractAmmo(), it's because the player is picking up this type of weapon for 
// the first time. If it is spawned by the world, m_iDefaultAmmo will have a default ammo amount in it.
// if  this is a weapon dropped by a dying player, has 0 m_iDefaultAmmo, which means only the ammo in 
// the weapon clip comes along. 
//=========================================================
int CBasePlayerWeapon::ExtractAmmo( CBasePlayerWeapon *pWeapon )
{
	int			iReturn;

	if ( pszAmmo1() != NULL )
	{
		// blindly call with m_iDefaultAmmo. It's either going to be a value or zero. If it is zero,
		// we only get the ammo in the weapon's clip, which is what we want. 
		iReturn = pWeapon->AddPrimaryAmmo( m_iDefaultAmmo, (char *)pszAmmo1(), iMaxClip(), iMaxAmmo1() );
		m_iDefaultAmmo = 0;
	}

	if ( pszAmmo2() != NULL )
	{
		iReturn = pWeapon->AddSecondaryAmmo( 0, (char *)pszAmmo2(), iMaxAmmo2() );
	}

	return iReturn;
}

//=========================================================
// called by the new item's class with the existing item as parameter
//=========================================================
int CBasePlayerWeapon::ExtractClipAmmo( CBasePlayerWeapon *pWeapon )
{
	int			iAmmo;

	if ( m_iClip == WEAPON_NOCLIP )
	{
		iAmmo = 0;// guns with no clips always come empty if they are second-hand
	}
	else
	{
		iAmmo = m_iClip;
	}
	
	return pWeapon->m_pPlayer->GiveAmmo( iAmmo, (char *)pszAmmo1(), iMaxAmmo1() ); // , &m_iPrimaryAmmoType
}

int CBasePlayerWeapon::AddToPlayer( CBasePlayer *pPlayer )
{
	int bResult = CBasePlayerItem::AddToPlayer( pPlayer );

	pPlayer->pev->weapons |= (1<<m_iId);

	if ( !m_iPrimaryAmmoType )
	{
		m_iPrimaryAmmoType = pPlayer->GetAmmoIndex( pszAmmo1() );
		m_iSecondaryAmmoType = pPlayer->GetAmmoIndex( pszAmmo2() );
	}


	if (bResult)
		return AddWeapon( );
	return FALSE;
}

int CBasePlayerWeapon::AddToPlayer( CBasePlayer *pPlayer )
{
	if (!UTIL_IsMasterTriggered(m_sMaster, pPlayer))		//
		return FALSE;										// AJH allows for locked weapons

	int bResult = CBasePlayerItem::AddToPlayer( pPlayer );

	pPlayer->pev->weapons |= (1<<m_iId);

	if ( !m_iPrimaryAmmoType )
	{
		m_iPrimaryAmmoType = pPlayer->GetAmmoIndex( pszAmmo1() );
		m_iSecondaryAmmoType = pPlayer->GetAmmoIndex( pszAmmo2() );
	}


	if (bResult)
	{
		return AddWeapon( );
	}
	return FALSE;
}

void CShotgun::BuyPrimaryAmmo( void )
{
	BuyAmmo(8, (char*)pszAmmo1(), COST_ASSAULT_AMMO);
}

/*
=====================
CBasePlayerWeapon::ItemPostFrame

Handles weapon firing, reloading, etc.
=====================
*/
void CBasePlayerWeapon::ItemPostFrame( void )
{
	WeaponTick();

	if( ( m_fInReload ) && ( m_pPlayer->m_flNextAttack <= UTIL_WeaponTimeBase() ) )
	{
#ifdef SERVER_DLL // FIXME, need ammo on client to make this work right
		// complete the reload. 
		int j = min( iMaxClip() - m_iClip, m_pPlayer->m_rgAmmo[ PrimaryAmmoIndex() ] );

		// Add them to the clip
		m_iClip += j;
		m_pPlayer->m_rgAmmo[ PrimaryAmmoIndex() ] -= j;
#else	
		m_iClip += 10;
#endif

		m_fInReload = false;
	}

#ifdef SERVER_DLL
	if( !m_pPlayer->GetButtons().Any( IN_ATTACK ) )
	{
		m_flLastFireTime = 0.0f;
	}
#endif

	if( m_pPlayer->GetButtons().Any( IN_ATTACK2 ) && CanAttack( m_flNextSecondaryAttack, gpGlobals->time, IsPredicted() ) )
	{
		if( pszAmmo2() && !m_pPlayer->m_rgAmmo[ SecondaryAmmoIndex() ] )
		{
			m_bFireOnEmpty = true;
		}

		SecondaryAttack();
		m_pPlayer->GetButtons().ClearFlags( IN_ATTACK2 );
	}
	else if( m_pPlayer->GetButtons().Any( IN_ATTACK ) && CanAttack( m_flNextPrimaryAttack, gpGlobals->time, IsPredicted() ) )
	{
		if( ( m_iClip == 0 && pszAmmo1() ) || ( iMaxClip() == -1 && !m_pPlayer->m_rgAmmo[ PrimaryAmmoIndex() ] ) )
		{
			m_bFireOnEmpty = true;
		}

		PrimaryAttack();
	}
	else if( m_pPlayer->GetButtons().Any( IN_RELOAD ) && iMaxClip() != WEAPON_NOCLIP && !m_fInReload )
	{
		// reload when reload is pressed, or if no buttons are down and weapon is empty.
		Reload();
	}
	else if( !m_pPlayer->GetButtons().Any( IN_ATTACK | IN_ATTACK2 ) )
	{
		// no fire buttons down

		m_bFireOnEmpty = false;

		//Only the server checks for weapon switching. - Solokiller
#ifdef SERVER_DLL
		if( !IsUseable() && m_flNextPrimaryAttack < ( IsPredicted() ? 0.0 : gpGlobals->time ) )
		{
			// weapon isn't useable, switch.
			if( !( iFlags() & ITEM_FLAG_NOAUTOSWITCHEMPTY ) && g_pGameRules->GetNextBestWeapon( m_pPlayer, this ) )
			{
				m_flNextPrimaryAttack = ( IsPredicted() ? 0.0 : gpGlobals->time ) + 0.3;
				return;
			}
		}
		else
#endif
		{
			// weapon is useable. Reload if empty and weapon has waited as long as it has to after firing
			if( m_iClip == 0 && !( iFlags() & ITEM_FLAG_NOAUTORELOAD ) && CanReload( m_flNextPrimaryAttack, gpGlobals->time, IsPredicted() ) )
			{
				Reload();
				return;
			}
		}

		WeaponIdle();
		return;
	}

	// catch all
	if( ShouldWeaponIdle() )
	{
		WeaponIdle();
	}
}

void CBasePlayerWeapon::ItemPostFrame( void )
{
	if ((m_fInReload) && ( m_pPlayer->m_flNextAttack <= UTIL_WeaponTimeBase() ) )
	{
		// complete the reload. 
		int j = min( iMaxClip() - m_iClip, m_pPlayer->m_rgAmmo[m_iPrimaryAmmoType]);	

		// Add them to the clip
		m_iClip += j;
		m_pPlayer->m_rgAmmo[m_iPrimaryAmmoType] -= j;

		m_pPlayer->TabulateAmmo();

		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()] )
		{
			m_fFireOnEmpty = TRUE;
		}

		m_pPlayer->TabulateAmmo();
		SecondaryAttack();
		m_pPlayer->pev->button &= ~IN_ATTACK2;
	}
	else if ((m_pPlayer->pev->button & IN_ATTACK) && CanAttack( m_flNextPrimaryAttack, gpGlobals->time, UseDecrement() ) )
	{
		if ( (m_iClip == 0 && pszAmmo1()) || (iMaxClip() == -1 && !m_pPlayer->m_rgAmmo[PrimaryAmmoIndex()] ) )
		{
			m_fFireOnEmpty = TRUE;
		}

		m_pPlayer->TabulateAmmo();
		PrimaryAttack();
	}
	else if ( m_pPlayer->pev->button & IN_RELOAD && iMaxClip() != WEAPON_NOCLIP && !m_fInReload ) 
	{
		// reload when reload is pressed, or if no buttons are down and weapon is empty.
		Reload();
	}
	else if ( !(m_pPlayer->pev->button & (IN_ATTACK|IN_ATTACK2) ) )
	{
		// no fire buttons down

		m_fFireOnEmpty = FALSE;

		if ( !IsUseable() && m_flNextPrimaryAttack < ( UseDecrement() ? 0.0 : gpGlobals->time ) ) 
		{
			// weapon isn't useable, switch.
			if ( !(iFlags() & ITEM_FLAG_NOAUTOSWITCHEMPTY) && g_pGameRules->GetNextBestWeapon( m_pPlayer, this ) )
			{
				m_flNextPrimaryAttack = ( UseDecrement() ? 0.0 : gpGlobals->time ) + 0.3;
				return;
			}
		}
		else
		{
			// weapon is useable. Reload if empty and weapon has waited as long as it has to after firing
			if ( m_iClip == 0 && !(iFlags() & ITEM_FLAG_NOAUTORELOAD) && m_flNextPrimaryAttack < ( UseDecrement() ? 0.0 : gpGlobals->time ) )
			{
				Reload();
				return;
			}
		}

		WeaponIdle( );
		return;
	}
	
	// catch all
	if ( ShouldWeaponIdle() )
	{
		WeaponIdle();
	}
}

void CGauss::BuyPrimaryAmmo( void )
{
	BuyAmmo(40, (char*)pszAmmo1(), COST_ENERGY_AMMO);
}

void CFroster::BuyPrimaryAmmo( void )
{
	BuyAmmo(50, (char*)pszAmmo1(), COST_HEAVY_AMMO);
}

void CFLAMETHROWER::BuyPrimaryAmmo( void )
{
	BuyAmmo(100, (char*)pszAmmo1(), COST_HEAVY_AMMO);
}

/*
=====================
CBasePlayerWeapon::ItemPostFrame

Handles weapon firing, reloading, etc.
=====================
*/
void CBasePlayerWeapon::ItemPostFrame( void )
{
	if ((m_fInReload) && (m_pPlayer->m_flNextAttack <= 0.0))
	{
#if 0 // FIXME, need ammo on client to make this work right
		// complete the reload. 
		int j = min( iMaxClip() - m_iClip, m_pPlayer->m_rgAmmo[m_iPrimaryAmmoType]);	

		// Add them to the clip
		m_iClip += j;
		m_pPlayer->m_rgAmmo[m_iPrimaryAmmoType] -= j;
#else	
		m_iClip += 10;
#endif
		m_fInReload = FALSE;
	}

	if ((m_pPlayer->pev->button & IN_ATTACK2) && (m_flNextSecondaryAttack <= 0.0))
	{
		if ( pszAmmo2() && !m_pPlayer->m_rgAmmo[SecondaryAmmoIndex()] )
		{
			m_fFireOnEmpty = TRUE;
		}

		SecondaryAttack();
		m_pPlayer->pev->button &= ~IN_ATTACK2;
	}
	else if ((m_pPlayer->pev->button & IN_ATTACK) && (m_flNextPrimaryAttack <= 0.0))
	{
		if ( (m_iClip == 0 && pszAmmo1()) || (iMaxClip() == -1 && !m_pPlayer->m_rgAmmo[PrimaryAmmoIndex()] ) )
		{
			m_fFireOnEmpty = TRUE;
		}

		PrimaryAttack();
	}
	else if ( m_pPlayer->pev->button & IN_RELOAD && iMaxClip() != WEAPON_NOCLIP && !m_fInReload ) 
	{
		// reload when reload is pressed, or if no buttons are down and weapon is empty.
		Reload();
	}
	else if ( !(m_pPlayer->pev->button & (IN_ATTACK|IN_ATTACK2) ) )
	{
		// no fire buttons down

		m_fFireOnEmpty = FALSE;

		if ( !m_bPlayedIdleAnim )
		{
			m_bPlayedIdleAnim = TRUE;
		
			if ( m_pPlayer->m_iQuakeWeapon == IT_LIGHTNING )
				 PLAYBACK_EVENT_FULL( FEV_NOTHOST, m_pPlayer->edict(), m_pPlayer->m_usLightning, 0, (float *)&m_pPlayer->pev->origin, (float *)&m_pPlayer->pev->angles, 0.0, 0.0, 0, 1, 0, 0 );
		}

		WeaponIdle( );
		return;
	}
	
	// catch all
	if ( ShouldWeaponIdle() )
	{
		WeaponIdle();
	}
}

void CBiorifle::BuyPrimaryAmmo( void )
{
	BuyAmmo(18, (char*)pszAmmo1(), COST_HEAVY_AMMO);
}

void CWHL::BuyPrimaryAmmo( void )
{
    BuyAmmo(1, (char*)pszAmmo1(), COST_ASSAULT_AMMO_SEC);
}