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First working render with BlueNBT

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This commit is contained in:
Lukas Rieger (Blue) 2023-09-05 22:01:03 +02:00
parent c336036872
commit 5390a33fa3
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GPG Key ID: 2D09EC5ED2687FF2
21 changed files with 379 additions and 230 deletions
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8
BlueMapCore/build.gradle.kts
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@ -61,16 +61,22 @@ dependencies {
api ("commons-io:commons-io:2.5")
api ("org.spongepowered:configurate-hocon:4.1.2")
api ("org.spongepowered:configurate-gson:4.1.2")
api ("com.github.Querz:NBT:4.0")
//api ("com.github.Querz:NBT:4.0")
api ("com.github.BlueMap-Minecraft:BlueNBT:v1.2.0")
api ("org.apache.commons:commons-dbcp2:2.9.0")
api ("io.airlift:aircompressor:0.24")
api ("de.bluecolored.bluemap.api:BlueMapAPI")
compileOnly ("org.jetbrains:annotations:23.0.0")
compileOnly ("org.projectlombok:lombok:1.18.28")
annotationProcessor ("org.projectlombok:lombok:1.18.28")
testImplementation ("org.junit.jupiter:junit-jupiter:5.8.2")
testRuntimeOnly ("org.junit.jupiter:junit-jupiter-engine:5.8.2")
testCompileOnly ("org.projectlombok:lombok:1.18.28")
testAnnotationProcessor ("org.projectlombok:lombok:1.18.28")
}
spotless {

18
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/ChunkAnvil113.java
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@ -24,21 +24,12 @@
*/
package de.bluecolored.bluemap.core.mca;
import de.bluecolored.bluemap.core.logger.Logger;
import de.bluecolored.bluemap.core.world.Biome;
import de.bluecolored.bluemap.core.world.BlockState;
import de.bluecolored.bluemap.core.world.LightData;
import net.querz.nbt.*;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
@SuppressWarnings("FieldMayBeFinal")
public class ChunkAnvil113 extends MCAChunk {
public class ChunkAnvil113 /* extends MCAChunk */ {
private static final long[] EMPTY_LONG_ARRAY = new long[0];
/*
private boolean isGenerated;
private boolean hasLight;
private long inhabitedTime;
@ -48,6 +39,7 @@ public class ChunkAnvil113 extends MCAChunk {
private long[] oceanFloorHeights = EMPTY_LONG_ARRAY;
private long[] worldSurfaceHeights = EMPTY_LONG_ARRAY;
@SuppressWarnings("unchecked")
public ChunkAnvil113(MCAWorld world, CompoundTag chunkTag) {
super(world, chunkTag);
@ -255,4 +247,6 @@ public LightData getLightData(int x, int y, int z, LightData target) {
}
}
*/
}

17
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/ChunkAnvil115.java
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@ -24,21 +24,12 @@
*/
package de.bluecolored.bluemap.core.mca;
import de.bluecolored.bluemap.core.logger.Logger;
import de.bluecolored.bluemap.core.world.Biome;
import de.bluecolored.bluemap.core.world.BlockState;
import de.bluecolored.bluemap.core.world.LightData;
import net.querz.nbt.*;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
@SuppressWarnings("FieldMayBeFinal")
public class ChunkAnvil115 extends MCAChunk {
public class ChunkAnvil115 /* extends MCAChunk */ {
private static final long[] EMPTY_LONG_ARRAY = new long[0];
/*
private boolean isGenerated;
private boolean hasLight;
private long inhabitedTime;
@ -261,4 +252,6 @@ public LightData getLightData(int x, int y, int z, LightData target) {
}
}
*/
}

18
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/ChunkAnvil116.java
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@ -24,22 +24,12 @@
*/
package de.bluecolored.bluemap.core.mca;
import de.bluecolored.bluemap.core.logger.Logger;
import de.bluecolored.bluemap.core.world.Biome;
import de.bluecolored.bluemap.core.world.BlockState;
import de.bluecolored.bluemap.core.world.LightData;
import net.querz.nbt.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
@SuppressWarnings("FieldMayBeFinal")
public class ChunkAnvil116 extends MCAChunk {
public class ChunkAnvil116 /* extends MCAChunk */ {
private static final long[] EMPTY_LONG_ARRAY = new long[0];
/*
private boolean isGenerated;
private boolean hasLight;
@ -290,4 +280,6 @@ public LightData getLightData(int x, int y, int z, LightData target) {
}
}
*/
}

184
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/ChunkAnvil118.java
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@ -25,75 +25,70 @@
package de.bluecolored.bluemap.core.mca;
import de.bluecolored.bluemap.core.logger.Logger;
import de.bluecolored.bluemap.core.mca.data.*;
import de.bluecolored.bluemap.core.world.Biome;
import de.bluecolored.bluemap.core.world.BlockState;
import de.bluecolored.bluemap.core.world.LightData;
import net.querz.nbt.*;
import java.util.*;
import java.util.Map.Entry;
@SuppressWarnings("FieldMayBeFinal")
public class ChunkAnvil118 extends MCAChunk {
private static final long[] EMPTY_LONG_ARRAY = new long[0];
private static final BlockState[] EMPTY_BLOCK_STATE_ARRAY = new BlockState[0];
private static final String[] EMPTY_STRING_ARRAY = new String[0];
private boolean isGenerated;
private boolean hasLight;
private final boolean isGenerated;
private final boolean hasLight;
private long inhabitedTime;
private final long inhabitedTime;
private int sectionMin, sectionMax;
private Section[] sections;
private final int sectionMin, sectionMax;
private final Section[] sections;
private long[] oceanFloorHeights = EMPTY_LONG_ARRAY;
private long[] worldSurfaceHeights = EMPTY_LONG_ARRAY;
private final long[] oceanFloorHeights;
private final long[] worldSurfaceHeights;
@SuppressWarnings("unchecked")
public ChunkAnvil118(MCAWorld world, CompoundTag chunkTag) {
super(world, chunkTag);
public ChunkAnvil118(MCAWorld world, ChunkData chunkData) {
super(world, chunkData);
String status = chunkTag.getString("Status");
this.isGenerated = status.equals("full") || status.equals("minecraft:full");
this.hasLight = isGenerated;
String status = chunkData.getStatus();
boolean generated = status.equals("minecraft:full") || status.equals("full");
this.hasLight = generated;
if (!generated && getWorld().isIgnoreMissingLightData())
generated = !status.equals("empty") && !status.equals("minecraft:empty");
this.isGenerated = generated;
this.inhabitedTime = chunkTag.getLong("InhabitedTime");
this.inhabitedTime = chunkData.getInhabitedTime();
if (!isGenerated && getWorld().isIgnoreMissingLightData()) {
isGenerated = !status.equals("empty") && !status.equals("minecraft:empty");
}
HeightmapsData heightmapsData = chunkData.getHeightmaps();
this.worldSurfaceHeights = heightmapsData.getWorldSurface();
this.oceanFloorHeights = heightmapsData.getOceanFloor();
if (chunkTag.containsKey("Heightmaps")) {
CompoundTag heightmapsTag = chunkTag.getCompoundTag("Heightmaps");
this.worldSurfaceHeights = heightmapsTag.getLongArray("WORLD_SURFACE");
this.oceanFloorHeights = heightmapsTag.getLongArray("OCEAN_FLOOR");
}
SectionData[] sectionDatas = chunkData.getSections();
if (sectionDatas != null && sectionDatas.length > 0) {
int min = Integer.MAX_VALUE;
int max = Integer.MIN_VALUE;
if (chunkTag.containsKey("sections")) {
this.sectionMin = Integer.MAX_VALUE;
this.sectionMax = Integer.MIN_VALUE;
// find section min/max y
for (SectionData sectionData : sectionDatas) {
int y = sectionData.getY();
if (min > y) min = y;
if (max < y) max = y;
}
ListTag<CompoundTag> sectionsTag = (ListTag<CompoundTag>) chunkTag.getListTag("sections");
ArrayList<Section> sectionList = new ArrayList<>(sectionsTag.size());
for (CompoundTag sectionTag : sectionsTag) {
Section section = new Section(sectionTag);
// load sections into ordered array
this.sections = new Section[1 + max - min];
for (SectionData sectionData : sectionDatas) {
Section section = new Section(sectionData);
int y = section.getSectionY();
if (sectionMin > y) sectionMin = y;
if (sectionMax < y) sectionMax = y;
if (min > y) min = y;
if (max < y) max = y;
sectionList.add(section);
sections[section.sectionY - min] = section;
}
sections = new Section[1 + sectionMax - sectionMin];
for (Section section : sectionList) {
sections[section.sectionY - sectionMin] = section;
}
this.sectionMin = min;
this.sectionMax = max;
} else {
sections = new Section[0];
this.sections = new Section[0];
this.sectionMin = 0;
this.sectionMax = 0;
}
}
@ -172,77 +167,33 @@ private Section getSection(int y) {
}
private static class Section {
private int sectionY;
private byte[] blockLight;
private byte[] skyLight;
private long[] blocks = EMPTY_LONG_ARRAY;
private long[] biomes = EMPTY_LONG_ARRAY;
private BlockState[] blockPalette = EMPTY_BLOCK_STATE_ARRAY;
private String[] biomePalette = EMPTY_STRING_ARRAY;
private final int sectionY;
private final byte[] blockLight;
private final byte[] skyLight;
private final long[] blocks;
private final long[] biomes;
private final BlockState[] blockPalette;
private final String[] biomePalette;
private int bitsPerBlock, bitsPerBiome;
private final int bitsPerBlock, bitsPerBiome;
@SuppressWarnings("unchecked")
public Section(CompoundTag sectionData) {
this.sectionY = sectionData.get("Y", NumberTag.class).asInt();
this.blockLight = sectionData.getByteArray("BlockLight");
this.skyLight = sectionData.getByteArray("SkyLight");
public Section(SectionData sectionData) {
this.sectionY = sectionData.getY();
this.blockLight = sectionData.getBlockLight();
this.skyLight = sectionData.getSkyLight();
// blocks
CompoundTag blockStatesTag = sectionData.getCompoundTag("block_states");
if (blockStatesTag != null) {
// block data
this.blocks = blockStatesTag.getLongArray("data");
BlockStatesData blockStates = sectionData.getBlockStates();
this.blocks = blockStates.getData();
this.blockPalette = blockStates.getPalette();
// block palette
ListTag<CompoundTag> paletteTag = (ListTag<CompoundTag>) blockStatesTag.getListTag("palette");
if (paletteTag != null) {
this.blockPalette = new BlockState[paletteTag.size()];
for (int i = 0; i < this.blockPalette.length; i++) {
blockPalette[i] = readBlockStatePaletteEntry(paletteTag.get(i));
}
}
}
// biomes
CompoundTag biomesTag = sectionData.getCompoundTag("biomes");
if (biomesTag != null) {
// biomes data
this.biomes = biomesTag.getLongArray("data");
// biomes palette
ListTag<StringTag> paletteTag = (ListTag<StringTag>) biomesTag.getListTag("palette");
if (paletteTag != null) {
this.biomePalette = new String[paletteTag.size()];
for (int i = 0; i < this.biomePalette.length; i++) {
biomePalette[i] = paletteTag.get(i).getValue();
}
}
}
if (blocks.length < 256 && blocks.length > 0) blocks = Arrays.copyOf(blocks, 256);
if (blockLight.length < 2048 && blockLight.length > 0) blockLight = Arrays.copyOf(blockLight, 2048);
if (skyLight.length < 2048 && skyLight.length > 0) skyLight = Arrays.copyOf(skyLight, 2048);
BiomesData biomesData = sectionData.getBiomes();
this.biomes = biomesData.getData();
this.biomePalette = biomesData.getPalette();
this.bitsPerBlock = this.blocks.length >> 6; // available longs * 64 (bits per long) / 4096 (blocks per section) (floored result)
this.bitsPerBiome = MCAMath.ceilLog2(this.biomePalette.length);
}
private BlockState readBlockStatePaletteEntry(CompoundTag paletteEntry) {
String id = paletteEntry.getString("Name");
if (BlockState.AIR.getFormatted().equals(id)) return BlockState.AIR; //shortcut to save time and memory
Map<String, String> properties = new LinkedHashMap<>();
if (paletteEntry.containsKey("Properties")) {
CompoundTag propertiesTag = paletteEntry.getCompoundTag("Properties");
for (Entry<String, Tag<?>> property : propertiesTag) {
properties.put(property.getKey().toLowerCase(), ((StringTag) property.getValue()).getValue().toLowerCase());
}
}
return new BlockState(id, properties);
}
public int getSectionY() {
return sectionY;
}
@ -251,10 +202,7 @@ public BlockState getBlockState(int x, int y, int z) {
if (blockPalette.length == 1) return blockPalette[0];
if (blocks.length == 0) return BlockState.AIR;
x &= 0xF; y &= 0xF; z &= 0xF; // Math.floorMod(pos.getX(), 16)
int blockIndex = y * 256 + z * 16 + x;
int blockIndex = (y & 0xF) << 8 | (z & 0xF) << 4 | x & 0xF;
long value = MCAMath.getValueFromLongArray(blocks, blockIndex, bitsPerBlock);
if (value >= blockPalette.length) {
Logger.global.noFloodWarning("palettewarning", "Got block-palette value " + value + " but palette has size of " + blockPalette.length + "! (Future occasions of this error will not be logged)");
@ -267,9 +215,7 @@ public BlockState getBlockState(int x, int y, int z) {
public LightData getLightData(int x, int y, int z, LightData target) {
if (blockLight.length == 0 && skyLight.length == 0) return target.set(0, 0);
x &= 0xF; y &= 0xF; z &= 0xF; // Math.floorMod(pos.getX(), 16)
int blockByteIndex = y * 256 + z * 16 + x;
int blockByteIndex = (y & 0xF) << 8 | (z & 0xF) << 4 | x & 0xF;
int blockHalfByteIndex = blockByteIndex >> 1; // blockByteIndex / 2
boolean largeHalf = (blockByteIndex & 0x1) != 0; // (blockByteIndex % 2) == 0
@ -283,11 +229,7 @@ public String getBiome(int x, int y, int z) {
if (biomePalette.length == 0) return Biome.DEFAULT.getValue();
if (biomePalette.length == 1 || biomes.length == 0) return biomePalette[0];
x = (x & 0xF) / 4; // Math.floorMod(pos.getX(), 16) / 4
z = (z & 0xF) / 4;
y = (y & 0xF) / 4;
int biomeIndex = y * 16 + z * 4 + x;
int biomeIndex = (y & 0b1100) << 2 | z & 0b1100 | (x & 0b1100) >> 2;
long value = MCAMath.getValueFromLongArray(biomes, biomeIndex, bitsPerBiome);
if (value >= biomePalette.length) {
Logger.global.noFloodWarning("biomepalettewarning", "Got biome-palette value " + value + " but palette has size of " + biomePalette.length + "! (Future occasions of this error will not be logged)");

21
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/MCAChunk.java
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@ -24,10 +24,10 @@
*/
package de.bluecolored.bluemap.core.mca;
import de.bluecolored.bluemap.core.mca.data.ChunkData;
import de.bluecolored.bluemap.core.world.BlockState;
import de.bluecolored.bluemap.core.world.Chunk;
import de.bluecolored.bluemap.core.world.LightData;
import net.querz.nbt.CompoundTag;
import java.io.IOException;
@ -46,9 +46,9 @@ protected MCAChunk(MCAWorld world) {
this.dataVersion = -1;
}
protected MCAChunk(MCAWorld world, CompoundTag chunkTag) {
protected MCAChunk(MCAWorld world, ChunkData chunkData) {
this.world = world;
dataVersion = chunkTag.getInt("DataVersion");
dataVersion = chunkData.getDataVersion();
}
@Override
@ -90,13 +90,16 @@ protected MCAWorld getWorld() {
return world;
}
public static MCAChunk create(MCAWorld world, CompoundTag chunkTag) throws IOException {
int version = chunkTag.getInt("DataVersion");
public static MCAChunk create(MCAWorld world, ChunkData chunkData) throws IOException {
int version = chunkData.getDataVersion();
if (version < 2200) return new ChunkAnvil113(world, chunkTag);
if (version < 2500) return new ChunkAnvil115(world, chunkTag);
if (version < 2844) return new ChunkAnvil116(world, chunkTag);
return new ChunkAnvil118(world, chunkTag);
/*
if (version < 2200) return new ChunkAnvil113(world, chunkData);
if (version < 2500) return new ChunkAnvil115(world, chunkData);
if (version < 2844) return new ChunkAnvil116(world, chunkData);
*/
return new ChunkAnvil118(world, chunkData);
}
@Override

19
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/MCAMath.java
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@ -24,8 +24,18 @@
*/
package de.bluecolored.bluemap.core.mca;
import com.google.gson.reflect.TypeToken;
import de.bluecolored.bluemap.core.mca.deserializer.BlockStateDeserializer;
import de.bluecolored.bluemap.core.world.BlockState;
import de.bluecolored.bluenbt.BlueNBT;
public class MCAMath {
public static final BlueNBT BLUENBT = new BlueNBT();
static {
BLUENBT.register(TypeToken.get(BlockState.class), new BlockStateDeserializer());
}
/**
* Having a long array where each long contains as many values as fit in it without overflowing, returning the "valueIndex"-th value when each value has "bitsPerValue" bits.
*/
@ -34,6 +44,7 @@ public static long getValueFromLongArray(long[] data, int valueIndex, int bitsPe
int longIndex = valueIndex / valuesPerLong;
int bitIndex = (valueIndex % valuesPerLong) * bitsPerValue;
if (longIndex >= data.length) return 0;
long value = data[longIndex] >>> bitIndex;
return value & (0xFFFFFFFFFFFFFFFFL >>> -bitsPerValue);
@ -63,12 +74,8 @@ public static long getValueFromLongStream(long[] data, int valueIndex, int bitsP
* The value is treated as an unsigned byte.
*/
public static int getByteHalf(int value, boolean largeHalf) {
value = value & 0xFF;
if (largeHalf) {
value = value >> 4;
}
value = value & 0xF;
return value;
if (largeHalf) return value >> 4 & 0xF;
return value & 0xF;
}
public static int ceilLog2(int n) {

30
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/MCAWorld.java
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@ -31,15 +31,12 @@
import de.bluecolored.bluemap.api.debug.DebugDump;
import de.bluecolored.bluemap.core.BlueMap;
import de.bluecolored.bluemap.core.logger.Logger;
import de.bluecolored.bluemap.core.mca.data.LevelData;
import de.bluecolored.bluemap.core.mca.region.RegionType;
import de.bluecolored.bluemap.core.util.Vector2iCache;
import de.bluecolored.bluemap.core.world.*;
import net.querz.nbt.CompoundTag;
import net.querz.nbt.NBTUtil;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
@ -47,6 +44,7 @@
import java.util.Collections;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.zip.GZIPInputStream;
@DebugDump
public class MCAWorld implements World {
@ -84,20 +82,18 @@ public MCAWorld(Path worldFolder, int skyLight, boolean ignoreMissingLightData)
.expireAfterWrite(1, TimeUnit.MINUTES)
.build(this::loadChunk);
try {
Path levelFile = resolveLevelFile(worldFolder);
CompoundTag level = (CompoundTag) NBTUtil.readTag(levelFile.toFile());
CompoundTag levelData = level.getCompoundTag("Data");
this.name = levelData.getString("LevelName");
Path levelFile = resolveLevelFile(worldFolder);
try (InputStream in = new GZIPInputStream(new BufferedInputStream(Files.newInputStream(levelFile)))) {
LevelData level = MCAMath.BLUENBT.read(in, LevelData.class);
LevelData.Data levelData = level.getData();
this.name = levelData.getLevelName();
this.spawnPoint = new Vector3i(
levelData.getInt("SpawnX"),
levelData.getInt("SpawnY"),
levelData.getInt("SpawnZ")
levelData.getSpawnX(),
levelData.getSpawnY(),
levelData.getSpawnZ()
);
} catch (ClassCastException | NullPointerException ex) {
throw new IOException("Invalid level.dat format!", ex);
} catch (IOException ex) {
throw new IOException("Failed to read level.dat!", ex);
}
}

12
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/PackedIntArrayAccess.java
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@ -72,7 +72,8 @@ public class PackedIntArrayAccess {
private final long[] data;
private final long maxValue;
private final int elementsPerLong, indexScale, indexOffset, indexShift;
private final int elementsPerLong, indexShift;
private final long indexScale, indexOffset;
public PackedIntArrayAccess(int bitsPerElement, long[] data) {
this.bitsPerElement = bitsPerElement;
@ -82,22 +83,21 @@ public PackedIntArrayAccess(int bitsPerElement, long[] data) {
this.elementsPerLong = (char)(64 / this.bitsPerElement);
int i = 3 * (this.elementsPerLong - 1);
this.indexScale = INDEX_PARAMETERS[i];
this.indexOffset = INDEX_PARAMETERS[i + 1];
this.indexScale = Integer.toUnsignedLong(INDEX_PARAMETERS[i]);
this.indexOffset = Integer.toUnsignedLong(INDEX_PARAMETERS[i + 1]);
this.indexShift = INDEX_PARAMETERS[i + 2];
}
public int get(int i) {
int j = this.storageIndex(i);
if (j >= this.data.length) return 0;
long l = this.data[j];
int k = (i - j * this.elementsPerLong) * this.bitsPerElement;
return (int)(l >> k & this.maxValue);
}
public int storageIndex(int i) {
long l = Integer.toUnsignedLong(this.indexScale);
long m = Integer.toUnsignedLong(this.indexOffset);
return (int) ((long) i * l + m >> 32 >> this.indexShift);
return (int) ((long) i * this.indexScale + this.indexOffset >> 32 >> this.indexShift);
}
}

14
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/data/BiomesData.java Normal file
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@ -0,0 +1,14 @@
package de.bluecolored.bluemap.core.mca.data;
import lombok.Getter;
@Getter
@SuppressWarnings("FieldMayBeFinal")
public class BiomesData {
private static final String[] EMPTY_STRING_ARRAY = new String[0];
private static final long[] EMPTY_LONG_ARRAY = new long[0];
private String[] palette = EMPTY_STRING_ARRAY;
private long[] data = EMPTY_LONG_ARRAY;
}

15
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/data/BlockStatesData.java Normal file
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@ -0,0 +1,15 @@
package de.bluecolored.bluemap.core.mca.data;
import de.bluecolored.bluemap.core.world.BlockState;
import lombok.Getter;
@Getter
@SuppressWarnings("FieldMayBeFinal")
public class BlockStatesData {
private static final long[] EMPTY_LONG_ARRAY = new long[0];
private static final BlockState[] EMPTY_BLOCKSTATE_ARRAY = new BlockState[0];
private BlockState[] palette = EMPTY_BLOCKSTATE_ARRAY;
private long[] data = EMPTY_LONG_ARRAY;
}

17
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/data/ChunkData.java Normal file
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@ -0,0 +1,17 @@
package de.bluecolored.bluemap.core.mca.data;
import lombok.Getter;
import org.jetbrains.annotations.Nullable;
@Getter
@SuppressWarnings("FieldMayBeFinal")
public class ChunkData {
private static final HeightmapsData EMPTY_HEIGHTMAPS_DATA = new HeightmapsData();
private int dataVersion = 0;
private String status = "none";
private long inhabitedTime = 0;
private HeightmapsData heightmaps = EMPTY_HEIGHTMAPS_DATA;
private @Nullable SectionData[] sections = null;
}

17
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/data/HeightmapsData.java Normal file
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@ -0,0 +1,17 @@
package de.bluecolored.bluemap.core.mca.data;
import de.bluecolored.bluenbt.NBTName;
import lombok.Getter;
@Getter
@SuppressWarnings("FieldMayBeFinal")
public class HeightmapsData {
private static final long[] EMPTY_LONG_ARRAY = new long[0];
@NBTName("WORLD_SURFACE")
private long[] worldSurface = EMPTY_LONG_ARRAY;
@NBTName("OCEAN_FLOOR")
private long[] oceanFloor = EMPTY_LONG_ARRAY;
}

19
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/data/LevelData.java Normal file
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@ -0,0 +1,19 @@
package de.bluecolored.bluemap.core.mca.data;
import lombok.Getter;
@Getter
@SuppressWarnings("FieldMayBeFinal")
public class LevelData {
private Data data = new Data();
@Getter
public static class Data {
private String levelName = "world";
private int spawnX = 0, spawnY = 0, spawnZ = 0;
}
}

20
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/data/SectionData.java Normal file
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@ -0,0 +1,20 @@
package de.bluecolored.bluemap.core.mca.data;
import de.bluecolored.bluenbt.NBTName;
import lombok.Getter;
@Getter
@SuppressWarnings("FieldMayBeFinal")
public class SectionData {
private static final byte[] EMPTY_BYTE_ARRAY = new byte[0];
private static final BlockStatesData EMPTY_BLOCKSTATESDATA = new BlockStatesData();
private static final BiomesData EMPTY_BIOMESDATA = new BiomesData();
private int y = 0;
private byte[] blockLight = EMPTY_BYTE_ARRAY;
private byte[] skyLight = EMPTY_BYTE_ARRAY;
@NBTName("block_states")
private BlockStatesData blockStates = EMPTY_BLOCKSTATESDATA;
private BiomesData biomes = EMPTY_BIOMESDATA;
}

44
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/deserializer/BlockStateDeserializer.java Normal file
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@ -0,0 +1,44 @@
package de.bluecolored.bluemap.core.mca.deserializer;
import de.bluecolored.bluemap.core.world.BlockState;
import de.bluecolored.bluenbt.NBTReader;
import de.bluecolored.bluenbt.TypeDeserializer;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Map;
public class BlockStateDeserializer implements TypeDeserializer<BlockState> {
@Override
public BlockState read(NBTReader reader) throws IOException {
reader.beginCompound();
String id = null;
Map<String, String> properties = null;
while (reader.hasNext()) {
String name = reader.name();
if (name.equals("Name")){
id = reader.nextString();
} else if (name.equals("Properties")) {
properties = new LinkedHashMap<>();
reader.beginCompound();
while (reader.hasNext())
properties.put(reader.name(), reader.nextString());
reader.endCompound();
} else {
reader.skip();
}
}
reader.endCompound();
if (id == null) throw new IOException("Invalid BlockState, Name is missing!");
if (properties == null)
return new BlockState(id);
return new BlockState(id, properties);
}
}

14
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/region/LinearRegion.java
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@ -27,13 +27,13 @@
import com.flowpowered.math.vector.Vector2i;
import de.bluecolored.bluemap.core.logger.Logger;
import de.bluecolored.bluemap.core.mca.MCAChunk;
import de.bluecolored.bluemap.core.mca.MCAMath;
import de.bluecolored.bluemap.core.mca.MCAWorld;
import de.bluecolored.bluemap.core.mca.data.ChunkData;
import de.bluecolored.bluemap.core.world.Chunk;
import de.bluecolored.bluemap.core.world.EmptyChunk;
import de.bluecolored.bluemap.core.world.Region;
import io.airlift.compress.zstd.ZstdInputStream;
import net.querz.nbt.CompoundTag;
import net.querz.nbt.Tag;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
@ -120,14 +120,8 @@ public Chunk loadChunk(int chunkX, int chunkZ, boolean ignoreMissingLightData) t
dis.skipBytes(((1024 - pos - 1) << 3) + 4); // Skip current chunk 0 and unneeded other chunks zero/size
dis.skipBytes(skip); // Skip unneeded chunks data
Tag<?> tag = Tag.deserialize(dis, Tag.DEFAULT_MAX_DEPTH);
if (tag instanceof CompoundTag) {
MCAChunk chunk = MCAChunk.create(world, (CompoundTag) tag);
if (!chunk.isGenerated()) return EmptyChunk.INSTANCE;
return chunk;
} else {
throw new IOException("Invalid data tag: " + (tag == null ? "null" : tag.getClass().getName()));
}
ChunkData chunkData = MCAMath.BLUENBT.read(dis, ChunkData.class);
return MCAChunk.create(world, chunkData);
}
} catch (RuntimeException e) {
throw new IOException(e);

34
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/region/MCARegion.java
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@ -27,13 +27,13 @@
import com.flowpowered.math.vector.Vector2i;
import de.bluecolored.bluemap.core.logger.Logger;
import de.bluecolored.bluemap.core.mca.MCAChunk;
import de.bluecolored.bluemap.core.mca.MCAMath;
import de.bluecolored.bluemap.core.mca.MCAWorld;
import de.bluecolored.bluemap.core.mca.data.ChunkData;
import de.bluecolored.bluemap.core.storage.Compression;
import de.bluecolored.bluemap.core.world.Chunk;
import de.bluecolored.bluemap.core.world.EmptyChunk;
import de.bluecolored.bluemap.core.world.Region;
import net.querz.nbt.CompoundTag;
import net.querz.nbt.Tag;
import net.querz.nbt.mca.CompressionType;
import java.io.*;
import java.nio.file.Files;
@ -86,25 +86,23 @@ public Chunk loadChunk(int chunkX, int chunkZ, boolean ignoreMissingLightData) t
raf.seek(offset + 4); // +4 skip chunk size
byte compressionTypeByte = raf.readByte();
CompressionType compressionType = compressionTypeByte == 3 ?
CompressionType.NONE :
CompressionType.getFromID(compressionTypeByte);
if (compressionType == null) {
throw new IOException("Invalid compression type " + compressionTypeByte);
byte compressionByte = raf.readByte();
Compression compression;
switch (compressionByte) {
case 0:
case 3: compression = Compression.NONE; break;
case 1: compression = Compression.GZIP; break;
case 2: compression = Compression.DEFLATE; break;
default: throw new IOException("Invalid compression type " + compressionByte);
}
DataInputStream dis = new DataInputStream(new BufferedInputStream(compressionType.decompress(new FileInputStream(raf.getFD()))));
Tag<?> tag = Tag.deserialize(dis, Tag.DEFAULT_MAX_DEPTH);
if (tag instanceof CompoundTag) {
MCAChunk chunk = MCAChunk.create(world, (CompoundTag) tag);
if (!chunk.isGenerated()) return EmptyChunk.INSTANCE;
return chunk;
} else {
throw new IOException("Invalid data tag: " + (tag == null ? "null" : tag.getClass().getName()));
}
DataInputStream dis = new DataInputStream(new BufferedInputStream(compression.decompress(new FileInputStream(raf.getFD()))));
ChunkData chunkData = MCAMath.BLUENBT.read(dis, ChunkData.class);
return MCAChunk.create(world, chunkData);
} catch (RuntimeException e) {
Logger.global.logError("Failed to load Chunk!", e);
throw new IOException(e);
}
}

16
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/resourcepack/Dimension.java Normal file
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@ -0,0 +1,16 @@
package de.bluecolored.bluemap.core.mca.resourcepack;
import de.bluecolored.bluemap.api.debug.DebugDump;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
@NoArgsConstructor
@AllArgsConstructor
@Getter
@DebugDump
public class Dimension {
private String type = "minecraft:overworld";
}

65
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/resourcepack/DimensionType.java Normal file
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@ -0,0 +1,65 @@
package de.bluecolored.bluemap.core.mca.resourcepack;
import de.bluecolored.bluemap.api.debug.DebugDump;
import lombok.*;
@NoArgsConstructor
@AllArgsConstructor
@Getter
@DebugDump
public class DimensionType {
private static final DimensionType OVERWORLD = new DimensionType();
private static final DimensionType NETHER = new DimensionType(
true,
false,
8.0,
false,
true,
0.1f,
128,
0,
256,
"#minecraft:infiniburn_nether",
"minecraft:the_nether"
);
private static final DimensionType END = new DimensionType(
false,
false,
1.0,
false,
false,
0,
256,
0,
256,
"#minecraft:infiniburn_end",
"minecraft:the_end"
);
private static final DimensionType OVERWORLD_CAVES = new DimensionType(
false,
true,
1.0,
true,
true,
0,
256,
-64,
384,
"#minecraft:infiniburn_overworld",
"minecraft:overworld"
);
private boolean ultrawarm = false;
private boolean natural = true;
private double coordinateScale = 1.0;
private boolean hasSkylight = true;
private boolean hasCeiling = false;
private float ambientLight = 0;
private int logicalHeight = 256;
private int minY = -64;
private int height = 384;
private String infiniburn = "#minecraft:infiniburn_overworld";
private String effects = "minecraft:overworld";
}

7
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/storage/Compression.java
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@ -31,16 +31,13 @@
import java.io.InputStream;
import java.io.OutputStream;
import java.util.NoSuchElementException;
import java.util.zip.DeflaterInputStream;
import java.util.zip.DeflaterOutputStream;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
import java.util.zip.*;
public enum Compression {
NONE("none", "", out -> out, in -> in),
GZIP("gzip", ".gz", GZIPOutputStream::new, GZIPInputStream::new),
DEFLATE("deflate", ".deflate", DeflaterOutputStream::new, DeflaterInputStream::new),
DEFLATE("deflate", ".deflate", DeflaterOutputStream::new, InflaterInputStream::new),
ZSTD("zstd", ".zst", ZstdOutputStream::new, ZstdInputStream::new);
private final String typeId;