Function SlArray

src/saveload/saveload.cpp:1180–1214

* Save/Load the length of the array followed by the array of SL_VAR elements. * @param array The array being manipulated * @param length The length of the array in elements * @param conv VarType type of the atomic array (int, uint8_t, uint64_t, etc.) */

 * @param conv VarType type of the atomic array (int, uint8_t, uint64_t, etc.)
 */
static void SlArray(void *array, size_t length, VarType conv)
{
	switch (_sl.action) {
		case SLA_SAVE:
			SlWriteArrayLength(length);
			SlCopyInternal(array, length, conv);
			return;

		case SLA_LOAD_CHECK:
		case SLA_LOAD: {
			if (!IsSavegameVersionBefore(SLV_SAVELOAD_LIST_LENGTH)) {
				size_t sv_length = SlReadArrayLength();
				if (GetVarMemType(conv) == SLE_VAR_NULL) {
					/* We don't know this field, so we assume the length in the savegame is correct. */
					length = sv_length;
				} else if (sv_length != length) {
					/* If the SLE_ARR changes size, a savegame bump is required
					 * and the developer should have written conversion lines.
					 * Error out to make this more visible. */
					SlErrorCorrupt("Fixed-length array is of wrong length");
				}
			}

			SlCopyInternal(array, length, conv);
			return;
		}

		case SLA_PTRS:
		case SLA_NULL:
			return;

		default:
			NOT_REACHED();
	}
}

/**
 * Pointers cannot be saved to a savegame, so this functions gets