Windcorp/JavaProgressia
Windcorp/JavaProgressia
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Fixes n Speed n Stuff

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-Better comparison for HashableVec3i
-Changed RandomAccessFile to MappedByteBuffer
-natFromInt now works properly
-better region selection
-Changes to make different strategies work
This commit is contained in:
opfromthestart 2021-08-19 10:47:16 -04:00
parent e4ced6507e
commit fae09edb16
2 changed files with 138 additions and 42 deletions
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11
src/main/java/ru/windcorp/progressia/common/util/HashableVec3i.java
View File

@ -20,7 +20,16 @@ public class HashableVec3i {
@Override
public boolean equals(Object comparee)
{
return hashCode() == comparee.hashCode();
if (comparee == null)
{
return false;
}
if (comparee.getClass() != HashableVec3i.class)
{
return false;
}
HashableVec3i compareeCast = (HashableVec3i) comparee;
return compareeCast.value == value;
}
}

169
src/main/java/ru/windcorp/progressia/test/TestWorldDiskIO.java
View File

@ -25,12 +25,15 @@ import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.EOFException;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.channels.Channels;
import java.nio.ByteBuffer;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
@ -57,7 +60,7 @@ public class TestWorldDiskIO {
private static final String formatFile = "world.format";
private static final Logger LOG = LogManager.getLogger("TestWorldDiskIO");
private static HashMap<HashableVec3i, RandomAccessFile> randomAccessMap;
private static HashMap<HashableVec3i, MappedByteBuffer> mappedByteMap;
private static final boolean ENABLE = true;
private static int maxSize = 1048576;
@ -75,8 +78,8 @@ public class TestWorldDiskIO {
private static int natFromInt(int loc) {
if (loc < 0)
return (-loc) << 1 + 1;
return loc << 1;
return -2*loc - 1;
return 2*loc;
}
/*
@ -89,10 +92,40 @@ public class TestWorldDiskIO {
*/
private static Vec3i getRegion(Vec3i chunkLoc) {
int x = chunkLoc.x;
if (x<0)
{
x /= regionSize.x;
x--;
}
else
{
x /= regionSize.x;
}
int y = chunkLoc.y;
if (y<0)
{
y /= regionSize.y;
y--;
}
else
{
y /= regionSize.y;
}
int z = chunkLoc.z;
if (z<0)
{
z /= regionSize.z;
z--;
}
else
{
z /= regionSize.z;
}
return new Vec3i(
natFromInt(chunkLoc.x / regionSize.x),
natFromInt(chunkLoc.y / regionSize.y),
natFromInt(chunkLoc.z / regionSize.z)
natFromInt(x),
natFromInt(y),
natFromInt(z)
);
}
@ -116,8 +149,18 @@ public class TestWorldDiskIO {
// regions.put(new Vec3i(0,0,0), new Vec3i(1,1,1));
}
public static int getAvailableSector(MappedByteBuffer mbb)
{
int sectorsUsed = 0;
for (int i=offsetBytes; i<(offsetBytes+1)*chunksPerRegion; i+= (offsetBytes+1))
{
sectorsUsed += mbb.get(i);
}
return sectorsUsed;
}
private static void setRegionSize(int format) {
randomAccessMap = new HashMap<HashableVec3i, RandomAccessFile>();
mappedByteMap = new HashMap<HashableVec3i, MappedByteBuffer>();
switch (format) {
case 0:
case 1:
@ -232,38 +275,54 @@ public class TestWorldDiskIO {
*/
RandomAccessFile output = randomAccessMap.get(new HashableVec3i(saveCoords));
MappedByteBuffer output = mappedByteMap.get(new HashableVec3i(saveCoords));
LOG.info("saveCoords {},{},{}", saveCoords.x, saveCoords.y, saveCoords.z);
if (output == null)
{
output = new RandomAccessFile(path.toFile(), "rw");
randomAccessMap.put(new HashableVec3i(saveCoords), output);
output = makeNew(path, new HashableVec3i(saveCoords));
}
// LOG.debug(output.read());
if (output.read() < 0) {
if (output.get() < 0) {
LOG.info("Making header");
output.writeChars("\0".repeat((offsetBytes + 1) * chunksPerRegion));
ByteBuffer headerBytes = ByteBuffer.allocate((offsetBytes + 1) * chunksPerRegion);
for (int i=0;i<(offsetBytes + 1) * chunksPerRegion;i++)
{
headerBytes.put(i, (byte) 0);
}
output.put(headerBytes);
}
Vec3i pos = getRegionLoc(chunk.getPosition());
int shortOffset = (offsetBytes + 1) * (pos.z + regionSize.z * (pos.y + regionSize.y * pos.x));
int fullOffset = (offsetBytes + 1) * (chunksPerRegion);
output.seek(shortOffset);
int offset = output.readInt();
int sectorLength = offset & 255;
offset = offset >> 8;
output.position(shortOffset);
int offset = 0;
for (int i = 0; i < offsetBytes; i++) {
offset *= 256;
offset += output.get();
}
ByteBuffer readOffset = ByteBuffer.allocate(offsetBytes);
int sectorLength = output.get();
if (sectorLength == 0) {
int outputLen = (int) output.length();
offset = (int) (outputLen - fullOffset) / sectorSize + 1;
output.seek(shortOffset);
output.writeInt(offset << 8);
output.seek(outputLen);
/*
* while (output.length()<fullOffset+sectorSize*offset)
* {
* output.write((int) (output.length()%256));
* }
*/
output.setLength(fullOffset + offset * sectorSize);
//int outputLen = (int) output.size();
//offset = (int) (outputLen - fullOffset) / sectorSize + 1;
offset = getAvailableSector(output);
output.position(shortOffset);
//readInt.putInt(offset<<8);
for (int i=0;i<offsetBytes;i++)
{
readOffset.put(offsetBytes-i-1, (byte) (offset<<8));
}
output.put(readOffset);
/*output.position(outputLen);
while (output.size()<fullOffset+sectorSize*offset)
{
output.write(ByteBuffer.wrap( new byte[]{0} ));
}*/
//output.setLength(fullOffset + offset * sectorSize);
// output.write(200);
}
@ -301,11 +360,11 @@ public class TestWorldDiskIO {
byte tempData[] = tempDataStream.toByteArray();
output.seek((long) fullOffset + sectorSize * offset);
output.write(tempData);
output.position( fullOffset + sectorSize * offset);
output.put(ByteBuffer.wrap( tempData));
output.seek(shortOffset + offsetBytes);
output.write((int) tempData.length / sectorSize + 1);
output.position(shortOffset + offsetBytes);
output.put(ByteBuffer.wrap( new byte[] {(byte) (tempData.length / sectorSize + 1)}));
// LOG.info("Used {} sectors",(int)
// tempData.length/sectorSize + 1);
@ -316,6 +375,23 @@ public class TestWorldDiskIO {
}
}
private static MappedByteBuffer makeNew(Path path, Object hashObj) {
try
{
RandomAccessFile raf = new RandomAccessFile(path.toFile(), "rw");
FileChannel fc = raf.getChannel();
MappedByteBuffer output = fc.map(FileChannel.MapMode.READ_WRITE, 0, maxSize*chunksPerRegion);
output.limit(maxSize*chunksPerRegion);
mappedByteMap.put((HashableVec3i) hashObj, output);
return output;
}
catch (IOException e)
{
LOG.warn("bad things");
}
return null;
}
private static void writeGenerationHint(ChunkData chunk, DataOutputStream output, Server server)
throws IOException {
server.getWorld().getGenerator().writeGenerationHint(output, chunk.getGenerationHint());
@ -535,13 +611,17 @@ public class TestWorldDiskIO {
private static ChunkData loadRegion(Path path, Vec3i chunkPos, WorldData world, Server server)
throws IOException,
DecodingException {
try
{
Vec3i streamCoords = getRegion(chunkPos);
RandomAccessFile input = randomAccessMap.get(new HashableVec3i(streamCoords));
MappedByteBuffer input = mappedByteMap.get(new HashableVec3i(streamCoords));
LOG.info("streamCoords {},{},{}", streamCoords.x,streamCoords.y,streamCoords.z);
if (input == null)
{
input = new RandomAccessFile(path.toFile(), "rw");
randomAccessMap.put(new HashableVec3i(streamCoords), input);
//input = new RandomAccessFile(path.toFile(), "rw");
//input = Files.newByteChannel(path);
input = makeNew(path, new HashableVec3i(streamCoords));
}
// LOG.info(path.toString());
@ -549,19 +629,19 @@ public class TestWorldDiskIO {
int shortOffset = (offsetBytes + 1) * (pos.z + regionSize.z * (pos.y + regionSize.y * pos.x));
int fullOffset = (offsetBytes + 1) * (chunksPerRegion);
input.seek(shortOffset);
input.position(shortOffset);
int offset = 0;
for (int i = 0; i < offsetBytes; i++) {
offset *= 256;
offset += input.read();
offset += input.get();
}
int sectorLength = input.read();
input.seek(fullOffset + sectorSize * offset);
int sectorLength = input.get();
input.position(fullOffset + sectorSize * offset);
// LOG.info("Read {} sectors", sectorLength);
byte tempData[] = new byte[sectorSize * sectorLength];
input.read(tempData);
input.get(tempData);
DataInputStream trueInput = new DataInputStream(
new InflaterInputStream(new BufferedInputStream(new ByteArrayInputStream(tempData)))
@ -570,6 +650,13 @@ public class TestWorldDiskIO {
readGenerationHint(chunk, trueInput, server);
return chunk;
}
catch (EOFException e)
{
LOG.warn("Reached end of file");
e.printStackTrace();
}
return null;
}
private static void readGenerationHint(ChunkData chunk, DataInputStream input, Server server)
throws IOException,