087b7e7abf
This code was not tested and breaks in Release builds, reverting to restore
functionality of the nightly. All in-game menus do not work and generating
a world crashes.
This reverts commit a9be52c41a.
92 lines
2.4 KiB
C++
92 lines
2.4 KiB
C++
#include "stdafx.h"
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#include "ByteBuffer.h"
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#include "File.h"
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#include "ZoneFile.h"
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const int ZoneFile::slotsLength = ZonedChunkStorage::CHUNKS_PER_ZONE * ZonedChunkStorage::CHUNKS_PER_ZONE;
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ZoneFile::ZoneFile(int64_t key, File file, File entityFile) : slots(slotsLength)
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{
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lastUse = 0;
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this->key = key;
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this->file = file;
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// 4J - try/catch removed
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// try {
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this->entityFile = new NbtSlotFile(entityFile);
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// } catch (Exception e) {
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// System.out.println("Broken entity file: " + entityFile + " (" + e.toString() + "), replacing..");
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// entityFile.delete();
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// entityFile.createNewFile();
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// this.entityFile = new NbtSlotFile(entityFile);
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// }
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channel = CreateFile(wstringtofilename(file.getPath()), GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
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// 4J - try/catch removed
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// try {
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readHeader();
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// } catch (Exception e) {
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// e.printStackTrace();
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// throw new IOException("Broken zone file: " + file + ": " + e);
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// }
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}
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ZoneFile::~ZoneFile()
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{
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delete [] slots.data;
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}
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void ZoneFile::readHeader()
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{
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ZoneIo *zoneIo = new ZoneIo(channel, 0);
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ByteBuffer *bb = zoneIo->read(FILE_HEADER_SIZE);
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bb->flip();
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if (bb->remaining() < 5) return;
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int magic = bb->getInt();
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// if (magic != MAGIC_NUMBER) throw new IOException("Bad magic number: " + magic); // 4J - TODO
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short version = bb->getShort();
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// if (version != 0) throw new IOException("Bad version number: " + version); // 4J - TODO
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slotCount = bb->getShort();
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bb->getShortArray(slots);
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bb->position(bb->position() + slotsLength * 2);
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}
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void ZoneFile::writeHeader()
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{
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ZoneIo *zoneIo = new ZoneIo(channel, 0);
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ByteBuffer *bb = ByteBuffer::allocate(FILE_HEADER_SIZE);
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bb->order(ZonedChunkStorage::BYTEORDER);
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bb->putInt(MAGIC_NUMBER);
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bb->putShort((short) 0);
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bb->putShort((short) slotCount);
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bb->putShortArray(slots);
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bb->position(bb->position() + slots.length * 2);
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bb->flip();
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zoneIo->write(bb, FILE_HEADER_SIZE);
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}
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void ZoneFile::close()
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{
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CloseHandle(channel);
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entityFile->close();
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}
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ZoneIo *ZoneFile::getZoneIo(int slot)
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{
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if (slots[slot] == 0)
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{
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slots[slot] = ++slotCount;
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writeHeader();
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}
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int byteOffs = (slots[slot] - 1) * ZonedChunkStorage::CHUNK_SIZE_BYTES + FILE_HEADER_SIZE;
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return new ZoneIo(channel, byteOffs);
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}
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bool ZoneFile::containsSlot(int slot)
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{
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return slots[slot] > 0;
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} |