//=========================================================
// IsUseable - this function determines whether or not a
// weapon is useable by the player in its current state.
// (does it have ammo loaded? do I have any ammo for the
// weapon?, etc)
//=========================================================
BOOL CBasePlayerWeapon :: IsUseable( void )
{
if ( m_iClip <= 0 )
{
if ( m_pPlayer->m_rgAmmo[ PrimaryAmmoIndex() ] <= 0 && iMaxAmmo1() != -1 )
{
// clip is empty (or nonexistant) and the player has no more ammo of this type.
return FALSE;
}
}
return TRUE;
}
//=========================================================
// 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
}
//=========================================================
// 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;
}
