Function SlCalcObjMemberLength

src/saveload/saveload.cpp:1663–1708

}

size_t SlCalcObjMemberLength(const void *object, const SaveLoad &sld)
{
	assert(_sl.action == SLA_SAVE);

	if (!SlIsObjectValidInSavegame(sld)) return 0;

	switch (sld.cmd) {
		case SL_VAR: return SlCalcConvFileLen(sld.conv);
		case SL_REF: return SlCalcRefLen();
		case SL_ARR: return SlCalcArrayLen(sld.length, sld.conv);
		case SL_REFLIST: return SlCalcRefListLen(GetVariableAddress(object, sld), sld.conv);
		case SL_REFVECTOR: return SlCalcRefVectorLen(GetVariableAddress(object, sld), sld.conv);
		case SL_DEQUE: return SlCalcDequeLen(GetVariableAddress(object, sld), sld.conv);
		case SL_VECTOR: return SlCalcVectorLen(GetVariableAddress(object, sld), sld.conv);
		case SL_STDSTR: return SlCalcStdStringLen(GetVariableAddress(object, sld));
		case SL_SAVEBYTE: return 1; // a byte is logically of size 1
		case SL_NULL: return SlCalcConvFileLen(sld.conv) * sld.length;

		case SL_STRUCT:
		case SL_STRUCTLIST: {
			NeedLength old_need_length = _sl.need_length;
			size_t old_obj_len = _sl.obj_len;

			_sl.need_length = NL_CALCLENGTH;
			_sl.obj_len = 0;

			/* Pretend that we are saving to collect the object size. Other
			 * means are difficult, as we don't know the length of the list we
			 * are about to store. */
			sld.handler->Save(const_cast<void *>(object));
			size_t length = _sl.obj_len;

			_sl.obj_len = old_obj_len;
			_sl.need_length = old_need_length;

			if (sld.cmd == SL_STRUCT) {
				length += SlGetArrayLength(1);
			}

			return length;
		}

		default: NOT_REACHED();
	}
	return 0;
}

static bool SlObjectMember(void *object, const SaveLoad &sld)
{