namespace NPartyExpDistribute
{
	struct FPartyTotaler
	{
		int		total;
		int		member_count;
		int		x, y;

		FPartyTotaler(LPCHARACTER center)
			: total(0), member_count(0), x(center->GetX()), y(center->GetY())
		{};

		void operator () (LPCHARACTER ch)
		{
			if (DISTANCE_APPROX(ch->GetX() - x, ch->GetY() - y) <= PARTY_DEFAULT_RANGE)
			{
				if (LC_IsYMIR())
					total += ch->GetLevel();
				else
					total += party_exp_distribute_table[ch->GetLevel()];

				++member_count;
			}
		}
	};

	struct FPartyDistributor
	{
		int		total;
		LPCHARACTER	c;
		int		x, y;
		DWORD		_iExp;
		int		m_iMode;
		int		m_iMemberCount;

		FPartyDistributor(LPCHARACTER center, int member_count, int total, DWORD iExp, int iMode)
			: total(total), c(center), x(center->GetX()), y(center->GetY()), _iExp(iExp), m_iMode(iMode), m_iMemberCount(member_count)
			{
				if (m_iMemberCount == 0)
					m_iMemberCount = 1;
			};

		void operator () (LPCHARACTER ch)
		{
			if (DISTANCE_APPROX(ch->GetX() - x, ch->GetY() - y) <= PARTY_DEFAULT_RANGE)
			{
				DWORD iExp2 = 0;

				switch (m_iMode)
				{
					case PARTY_EXP_DISTRIBUTION_NON_PARITY:
						if (LC_IsYMIR())
							iExp2 = (DWORD) ((_iExp * ch->GetLevel()) / total);
						else
							iExp2 = (DWORD) (_iExp * (float) party_exp_distribute_table[ch->GetLevel()] / total);
						break;

					case PARTY_EXP_DISTRIBUTION_PARITY:
						iExp2 = _iExp / m_iMemberCount;
						break;

					default:
						sys_err("Unknown party exp distribution mode %d", m_iMode);
						return;
				}

				GiveExp(c, ch, iExp2);
			}
		}
	};
}