Function zGridUpdateEnt

src/SB/Game/zGrid.cpp:205–281

WIP

// WIP
void zGridUpdateEnt(xEnt* ent)
{
    if (!zGridInitted)
        return;

    S32 oversize = 0;
    xGrid* grid = NULL;

    // case 2 and 3 need to use `cntlzw` but are `mr` currently
    switch (ent->gridb.ingrid)
    {
    case 1:
        grid = &colls_grid;
        break;
    case 2:
        oversize = (2 - ent->gridb.oversize) >> 5 & 0xFF;
        grid = &colls_oso_grid;
        break;
    case 3:
        oversize = (1 - ent->gridb.oversize) >> 5 & 0xFF;
        grid = &npcs_grid;
        break;
    default:
        break;
    }

    if ((ent->chkby & 0x98) == 0)
    {
        if ((ent->baseType == eBaseTypePickup) && (grid != NULL))
        {
            if (oversize == 0)
            {
                xGridUpdate(grid, ent);
            }
            else if (ent->collType == XENT_COLLTYPE_NPC)
            {
                oversize = xGridEntIsTooBig(&npcs_grid, ent);
                if (oversize)
                {
                    ent->gridb.oversize = 1;
                }
                else
                {
                    ent->gridb.oversize = 0;
                }
                xGridAdd(&npcs_grid, ent);
            }
            else
            {
                oversize = xGridEntIsTooBig(&colls_grid, ent);
                if (oversize)
                {
                    oversize = xGridEntIsTooBig(&colls_oso_grid, ent);
                    if (oversize)
                    {
                        ent->gridb.oversize = 2;
                    }
                    else