Method CreateField

engine/Poseidon/Game/OperMapDoor.cpp:576–831

#define OBJ_HEIGHT_SOLDIER 0.5

void OperField::CreateField(int mask)
{
    OperItem* item;
    int ix, iz, i;
    const float maxWater = -0.5;
    for (iz = 0; iz < OperItemRange; iz++)
    {
        for (ix = 0; ix < OperItemRange; ix++)
        {
            item = &_items[iz][ix];
            item->_searchID = 0;
            item->_type = OITNormal;
            item->_typeSoldier = OITNormal;
            if (mask & MASK_USE_BUFFER)
            {
                // sample center of the grid squares
                float xt = _x * LandGrid + ix * OperItemGrid + OperItemGrid * 0.5f;
                float zt = _z * LandGrid + iz * OperItemGrid + OperItemGrid * 0.5f;
                // note: all samples are in the same grid
                // SurfaceY may be optimized for contant grid
                float yt = GLandscape->SurfaceY(xt, zt);
                if (yt < maxWater)
                {
                    item->_typeSoldier = OITWater;
                    item->_type = OITWater;
                }
            }
        }
    }

    Object* obj;
    // avoid
    for (ix = _x - 1; ix <= _x + 1; ix++)
    {
        for (iz = _z - 1; iz <= _z + 1; iz++)
        {
            if (InRange(ix, iz))
            {
                const ObjectList& list = GLOB_LAND->GetObjects(iz, ix);
                for (i = 0; i < list.Size(); i++)
                {
                    obj = list[i];
                    if (obj == nullptr)
                    {
                        continue;
                    }
                    LODShape* shape = obj->GetShape();
                    if (!shape)
                    {
                        continue;
                    }
                    if (obj->GetMass() < 5.0)
                    {
                        continue;
                    }
                    if (!obj->HasGeometry())
                    {
                        continue;