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Meteor world gen (#4409)

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Start doing meteor world gen things
This commit is contained in:
Eutro
2020-06-12 10:36:45 +01:00
committed by GitHub
parent ae69ad6d8a
commit 65482357f7
33 changed files with 1099 additions and 1072 deletions
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src/main/java/appeng/services/compass/CompassReader.java
+7 -14
View File
@@ -19,28 +19,21 @@
package appeng.services.compass;
import java.io.File;
import com.google.common.base.Preconditions;
import net.minecraft.world.server.ServerWorld;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.Nonnull;
import com.google.common.base.Preconditions;
public final class CompassReader
{
private final Map<Long, CompassRegion> regions = new HashMap<>( 100 );
private final int dimensionId;
private final File worldCompassFolder;
private final ServerWorld world;
public CompassReader( final int dimensionId, @Nonnull final File worldCompassFolder )
public CompassReader( ServerWorld world )
{
Preconditions.checkNotNull( worldCompassFolder );
Preconditions.checkArgument( worldCompassFolder.isDirectory() );
this.dimensionId = dimensionId;
this.worldCompassFolder = worldCompassFolder;
this.world = Preconditions.checkNotNull( world );
}
public void close()
@@ -77,7 +70,7 @@ public final class CompassReader
if( cr == null )
{
cr = new CompassRegion( cx, cz, this.dimensionId, this.worldCompassFolder );
cr = new CompassRegion( world, cx, cz );
this.regions.put( pos, cr );
}
src/main/java/appeng/services/compass/CompassRegion.java
+56 -105
View File
@@ -19,38 +19,23 @@
package appeng.services.compass;
import java.io.File;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import javax.annotation.Nonnull;
import com.google.common.base.Preconditions;
import net.minecraft.nbt.CompoundNBT;
import net.minecraft.world.server.ServerWorld;
import net.minecraft.world.storage.WorldSavedData;
import appeng.core.worlddata.MeteorDataNameEncoder;
public final class CompassRegion
final class CompassRegion
{
private final int lowX;
private final int lowZ;
private final int world;
private final File worldCompassFolder;
private final MeteorDataNameEncoder encoder;
private final ServerWorld world;
private SaveData data;
private boolean hasFile = false;
private RandomAccessFile raf = null;
private ByteBuffer buffer;
public CompassRegion( final int cx, final int cz, final int worldID, @Nonnull final File worldCompassFolder )
public CompassRegion(ServerWorld world, final int cx, final int cz )
{
Preconditions.checkNotNull( worldCompassFolder );
Preconditions.checkArgument( worldCompassFolder.isDirectory() );
Preconditions.checkNotNull( world );
this.world = worldID;
this.worldCompassFolder = worldCompassFolder;
this.encoder = new MeteorDataNameEncoder( 0 );
this.world = world;
final int region_x = cx >> 10;
final int region_z = cz >> 10;
@@ -58,39 +43,26 @@ public final class CompassRegion
this.lowX = region_x << 10;
this.lowZ = region_z << 10;
this.openFile( false );
this.openData(false);
}
void close()
{
try
if( this.data != null )
{
if( this.hasFile )
{
this.buffer = null;
this.raf.close();
this.raf = null;
this.hasFile = false;
}
}
catch( final Throwable t )
{
throw new CompassException( t );
this.data = null;
}
}
boolean hasBeacon( int cx, int cz )
{
if( this.hasFile )
if( this.data != null )
{
cx &= 0x3FF;
cz &= 0x3FF;
final int val = this.read( cx, cz );
if( val != 0 )
{
return true;
}
return val != 0;
}
return false;
@@ -101,9 +73,9 @@ public final class CompassRegion
cx &= 0x3FF;
cz &= 0x3FF;
this.openFile( hasBeacon );
this.openData( hasBeacon );
if( this.hasFile )
if( this.data != null )
{
int val = this.read( cx, cz );
final int originalVal = val;
@@ -124,88 +96,67 @@ public final class CompassRegion
}
}
@Override
protected void finalize() throws Throwable
private void openData(final boolean create )
{
try
{
if( this.raf != null )
{
this.raf.close();
}
}
finally
{
super.finalize();
}
}
private void openFile( final boolean create )
{
if( this.hasFile )
if( this.data != null )
{
return;
}
final File file = this.getFile();
if( create || this.isFileExistent( file ) )
{
try
{
this.raf = new RandomAccessFile( file, "rw" );
final FileChannel fc = this.raf.getChannel();
this.buffer = fc.map( FileChannel.MapMode.READ_WRITE, 0, 0x400 * 0x400 );// fc.size() );
this.hasFile = true;
}
catch( final Throwable t )
{
throw new CompassException( t );
String name = this.lowX + "_" + this.lowZ;
if (create) {
this.data = world.getSavedData().getOrCreate(() -> new SaveData(name), name);
if (this.data.bitmap == null) {
this.data.bitmap = new byte[SaveData.BITMAP_LENGTH];
}
} else {
this.data = world.getSavedData().get(() -> new SaveData(name), name);
}
}
private File getFile()
{
final String fileName = this.encoder.encode( this.world, this.lowX, this.lowZ );
return new File( this.worldCompassFolder, fileName );
}
private boolean isFileExistent( final File file )
{
return file.exists() && file.isFile();
}
private int read( final int cx, final int cz )
{
try
{
return this.buffer.get( cx + cz * 0x400 );
// raf.seek( cx + cz * 0x400 );
// return raf.readByte();
return this.data.bitmap[cx + cz * 0x400];
}
catch( final IndexOutOfBoundsException outOfBounds )
{
return 0;
}
catch( final Throwable t )
{
throw new CompassException( t );
}
}
private void write( final int cx, final int cz, final int val )
{
try
{
this.buffer.put( cx + cz * 0x400, (byte) val );
// raf.seek( cx + cz * 0x400 );
// raf.writeByte( val );
}
catch( final Throwable t )
{
throw new CompassException( t );
}
this.data.bitmap[cx + cz * 0x400] = (byte) val;
this.data.markDirty();
}
private static class SaveData extends WorldSavedData {
private static final int BITMAP_LENGTH = 0x400 * 0x400;
private byte[] bitmap;
public SaveData(String name) {
super(name);
}
@Override
public void read(CompoundNBT nbt) {
this.bitmap = nbt.getByteArray("b");
if (this.bitmap.length != BITMAP_LENGTH) {
throw new IllegalStateException("Invalid bitmap length: " + bitmap.length);
}
}
@Override
public CompoundNBT write(CompoundNBT compound) {
compound.putByteArray("b", bitmap);
return compound;
}
}
}