Method CanTrade

ogsr_engine/xrGame/trade2.cpp:17–64

#include "trade_parameters.h"

bool CTrade::CanTrade()
{
    CEntity* pEntity;

    m_nearest.clear();
    Level().ObjectSpace.GetNearest(m_nearest, pThis.base->Position(), 2.f, NULL);
    if (!m_nearest.empty())
    {
        for (u32 i = 0, n = m_nearest.size(); i < n; ++i)
        {
            // Может ли объект торговать
            pEntity = smart_cast<CEntity*>(m_nearest[i]);
            if (pEntity && !pEntity->g_Alive())
                return false;
            if (SetPartner(pEntity))
                break;
        }
    }

    if (!pPartner.base)
        return false;

    // Объект рядом
    float dist = pPartner.base->Position().distance_to(pThis.base->Position());
    if (dist < 0.5f || dist > 4.5f)
    {
        RemovePartner();
        return false;
    }

    // Объект смотрит на меня
    float yaw, pitch;
    float yaw2, pitch2;

    pThis.base->Direction().getHP(yaw, pitch);
    pPartner.base->Direction().getHP(yaw2, pitch2);
    yaw = angle_normalize(yaw);
    yaw2 = angle_normalize(yaw2);

    float Res = rad2deg(_abs(yaw - yaw2) < PI ? _abs(yaw - yaw2) : PI_MUL_2 - _abs(yaw - yaw2));
    if (Res < 165.f || Res > 195.f)
    {
        RemovePartner();
        return false;
    }

    return true;
}

void CTrade::TransferItem(CInventoryItem* pItem, bool bBuying, bool change_money)
{