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Improve biome-coloring and add support for 1.15 format chunks with 3d biomes

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This commit is contained in:
Blue (Lukas Rieger) 2020-02-08 17:21:13 +01:00
parent 38b5811a8e
commit f62130f2cc
8 changed files with 324 additions and 29 deletions
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3
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/Chunk.java
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@ -75,7 +75,8 @@ public static Chunk create(MCAWorld world, CompoundTag chunkTag) throws IOExcept
int version = chunkTag.getInt("DataVersion");
if (version <= 1343) return new ChunkAnvil112(world, chunkTag);
return new ChunkAnvil113(world, chunkTag);
if (version <= 1976) return new ChunkAnvil113(world, chunkTag);
return new ChunkAnvil115(world, chunkTag);
}
public static Chunk empty(MCAWorld world, Vector2i chunkPos) {

4
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/ChunkAnvil113.java
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@ -116,9 +116,9 @@ public LightData getLightData(Vector3i pos) {
public Biome getBiome(Vector3i pos) {
int x = pos.getX() & 0xF; // Math.floorMod(pos.getX(), 16)
int z = pos.getZ() & 0xF;
int biomeByteIndex = z * 16 + x;
int biomeIntIndex = z * 16 + x;
return biomeIdMapper.get(biomes[biomeByteIndex]);
return biomeIdMapper.get(biomes[biomeIntIndex]);
}
private class Section {

234
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/ChunkAnvil115.java Normal file
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@ -0,0 +1,234 @@
/*
* This file is part of BlueMap, licensed under the MIT License (MIT).
*
* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package de.bluecolored.bluemap.core.mca;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import com.flowpowered.math.vector.Vector3i;
import de.bluecolored.bluemap.core.logger.Logger;
import de.bluecolored.bluemap.core.mca.mapping.BiomeMapper;
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.ByteArrayTag;
import net.querz.nbt.CompoundTag;
import net.querz.nbt.IntArrayTag;
import net.querz.nbt.ListTag;
import net.querz.nbt.StringTag;
import net.querz.nbt.Tag;
import net.querz.nbt.mca.MCAUtil;
public class ChunkAnvil115 extends Chunk {
private BiomeMapper biomeIdMapper;
private boolean isGenerated;
private Section[] sections;
private int[] biomes;
@SuppressWarnings("unchecked")
public ChunkAnvil115(MCAWorld world, CompoundTag chunkTag) {
super(world, chunkTag);
biomeIdMapper = getWorld().getBiomeIdMapper();
CompoundTag levelData = chunkTag.getCompoundTag("Level");
String status = levelData.getString("Status");
isGenerated = status.equals("full") || status.equals("spawn"); // full is normal fully generated and spawn seems to be converted from old format but not yet loaded if you optimized your world
sections = new Section[32]; //32 supports a max world-height of 512 which is the max that the hightmaps of Minecraft V1.13+ can store with 9 bits, i believe?
if (levelData.containsKey("Sections")) {
for (CompoundTag sectionTag : ((ListTag<CompoundTag>) levelData.getListTag("Sections"))) {
Section section = new Section(sectionTag);
if (section.getSectionY() >= 0) sections[section.getSectionY()] = section;
}
}
Tag<?> tag = levelData.get("Biomes"); //tag can be byte-array or int-array
if (tag instanceof ByteArrayTag) {
byte[] bs = ((ByteArrayTag) tag).getValue();
biomes = new int[bs.length];
for (int i = 0; i < bs.length; i++) {
biomes[i] = bs[i] & 0xFF;
}
}
else if (tag instanceof IntArrayTag) {
biomes = ((IntArrayTag) tag).getValue();
}
if (biomes == null || biomes.length == 0) {
biomes = new int[2048];
}
}
@Override
public boolean isGenerated() {
return isGenerated;
}
@Override
public BlockState getBlockState(Vector3i pos) {
int sectionY = MCAUtil.blockToChunk(pos.getY());
Section section = this.sections[sectionY];
if (section == null) return BlockState.AIR;
return section.getBlockState(pos);
}
@Override
public LightData getLightData(Vector3i pos) {
int sectionY = MCAUtil.blockToChunk(pos.getY());
Section section = this.sections[sectionY];
if (section == null) return LightData.FULL;
return section.getLightData(pos);
}
@Override
public Biome getBiome(Vector3i pos) {
int x = (pos.getX() & 0xF) / 4; // Math.floorMod(pos.getX(), 16)
int z = (pos.getZ() & 0xF) / 4;
int y = pos.getY() / 4;
int biomeIntIndex = y * 16 + z * 4 + x;
return biomeIdMapper.get(biomes[biomeIntIndex]);
}
private class Section {
private static final String AIR_ID = "minecraft:air";
private int sectionY;
private byte[] blockLight;
private byte[] skyLight;
private long[] blocks;
private BlockState[] palette;
@SuppressWarnings("unchecked")
public Section(CompoundTag sectionData) {
this.sectionY = sectionData.getByte("Y");
this.blockLight = sectionData.getByteArray("BlockLight");
if (blockLight.length == 0) blockLight = new byte[2048];
this.skyLight = sectionData.getByteArray("SkyLight");
if (skyLight.length == 0) skyLight = new byte[2048];
this.blocks = sectionData.getLongArray("BlockStates");
//read block palette
ListTag<CompoundTag> paletteTag = (ListTag<CompoundTag>) sectionData.getListTag("Palette");
if (paletteTag != null) {
this.palette = new BlockState[paletteTag.size()];
for (int i = 0; i < this.palette.length; i++) {
CompoundTag stateTag = paletteTag.get(i);
String id = stateTag.getString("Name"); //shortcut to save time and memory
if (id.equals(AIR_ID)) {
palette[i] = BlockState.AIR;
continue;
}
Map<String, String> properties = new HashMap<>();
if (stateTag.containsKey("Properties")) {
CompoundTag propertiesTag = stateTag.getCompoundTag("Properties");
for (Entry<String, Tag<?>> property : propertiesTag) {
properties.put(property.getKey().toLowerCase(), ((StringTag) property.getValue()).getValue().toLowerCase());
}
}
palette[i] = new BlockState(id, properties);
}
} else {
this.palette = new BlockState[0];
}
}
public int getSectionY() {
return sectionY;
}
public BlockState getBlockState(Vector3i pos) {
if (blocks.length == 0) return BlockState.AIR;
int x = pos.getX() & 0xF; // Math.floorMod(pos.getX(), 16)
int y = pos.getY() & 0xF;
int z = pos.getZ() & 0xF;
int blockIndex = y * 256 + z * 16 + x;
int bitsPerBlock = blocks.length * 64 / 4096; //64 bits per long and 4096 blocks per section
int index = blockIndex * bitsPerBlock;
int firstLong = index >> 6; // index / 64
int bitoffset = index & 0x3F; // Math.floorMod(index, 64)
long value = blocks[firstLong] >>> bitoffset;
if (bitoffset > 0 && firstLong + 1 < blocks.length) {
long value2 = blocks[firstLong + 1];
value2 = value2 << -bitoffset;
value = value | value2;
}
value = value & (0xFFFFFFFFFFFFFFFFL >>> -bitsPerBlock);
if (value >= palette.length) {
Logger.global.noFloodWarning("palettewarning", "Got palette value " + value + " but palette has size of " + palette.length + " (Future occasions of this error will not be logged)");
return BlockState.MISSING;
}
return palette[(int) value];
}
public LightData getLightData(Vector3i pos) {
int x = pos.getX() & 0xF; // Math.floorMod(pos.getX(), 16)
int y = pos.getY() & 0xF;
int z = pos.getZ() & 0xF;
int blockByteIndex = y * 256 + z * 16 + x;
int blockHalfByteIndex = blockByteIndex >> 1; // blockByteIndex / 2
boolean largeHalf = (blockByteIndex & 0x1) != 0; // (blockByteIndex % 2) == 0
int blockLight = getByteHalf(this.blockLight[blockHalfByteIndex], largeHalf);
int skyLight = getByteHalf(this.skyLight[blockHalfByteIndex], largeHalf);
return new LightData(skyLight, blockLight);
}
/**
* Extracts the 4 bits of the left (largeHalf = <code>true</code>) or the right (largeHalf = <code>false</code>) side of the byte stored in <code>value</code>.<br>
* The value is treated as an unsigned byte.
*/
private int getByteHalf(int value, boolean largeHalf) {
value = value & 0xFF;
if (largeHalf) {
value = value >> 4;
}
value = value & 0xF;
return value;
}
}
}

13
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/mca/MCAWorld.java
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@ -149,6 +149,19 @@ public BlockState getBlockState(Vector3i pos) {
}
}
@Override
public Biome getBiome(Vector3i pos) {
try {
Vector2i chunkPos = blockToChunk(pos);
Chunk chunk = getChunk(chunkPos);
return chunk.getBiome(pos);
} catch (IOException ex) {
throw new RuntimeException("Unexpected IO-Exception trying to read world-data!", ex);
}
}
@Override
public Block getBlock(Vector3i pos) {
if (pos.getY() < getMinY()) {

88
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/resourcepack/BlockColorCalculator.java
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@ -28,6 +28,7 @@
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.function.Function;
@ -36,11 +37,13 @@
import com.flowpowered.math.vector.Vector2f;
import com.flowpowered.math.vector.Vector2i;
import com.flowpowered.math.vector.Vector3f;
import com.flowpowered.math.vector.Vector3i;
import de.bluecolored.bluemap.core.util.ConfigUtils;
import de.bluecolored.bluemap.core.util.MathUtils;
import de.bluecolored.bluemap.core.world.Biome;
import de.bluecolored.bluemap.core.world.Block;
import de.bluecolored.bluemap.core.world.World;
import ninja.leaping.configurate.ConfigurationNode;
public class BlockColorCalculator {
@ -97,31 +100,28 @@ public Vector3f getBlockColor(Block block){
public Vector3f getWaterAverageColor(Block block){
Vector3f color = Vector3f.ZERO;
for (int x = -1; x <= 1; x++){
for (int z = -1; z <= 1; z++){
color = color.add(block.getRelativeBlock(x, 0, z).getBiome().getWaterColor());
}
int count = 0;
for (Biome biome : iterateAverageBiomes(block)) {
color = color.add(biome.getWaterColor());
count++;
}
return color.div(9f);
return color.div(count);
}
public Vector3f getFoliageAverageColor(Block block){
Vector3f color = Vector3f.ZERO;
for (int x = -1; x <= 1; x++){
for (int z = -1; z <= 1; z++){
color = color.add(getFoliageColor(block.getRelativeBlock(x, 0, z)));
}
int blocksAboveSeaLevel = Math.max(block.getPosition().getY() - block.getWorld().getSeaLevel(), 0);
int count = 0;
for (Biome biome : iterateAverageBiomes(block)) {
color = color.add(getFoliageColor(biome, blocksAboveSeaLevel));
count++;
}
return color.div(9f);
}
public Vector3f getFoliageColor(Block block){
int blocksAboveSeaLevel = Math.max(block.getPosition().getY() - block.getWorld().getSeaLevel(), 0);
return getFoliageColor(block.getBiome(), blocksAboveSeaLevel);
return color.div(count);
}
public Vector3f getFoliageColor(Biome biome, int blocksAboveSeaLevel){
@ -134,18 +134,15 @@ public Vector3f getFoliageColor(Biome biome, int blocksAboveSeaLevel){
public Vector3f getGrassAverageColor(Block block){
Vector3f color = Vector3f.ZERO;
for (int x = -1; x <= 1; x++){
for (int z = -1; z <= 1; z++){
color = color.add(getGrassColor(block.getRelativeBlock(x, 0, z)));
}
int blocksAboveSeaLevel = Math.max(block.getPosition().getY() - block.getWorld().getSeaLevel(), 0);
int count = 0;
for (Biome biome : iterateAverageBiomes(block)) {
color = color.add(getGrassColor(biome, blocksAboveSeaLevel));
count++;
}
return color.div(9f);
}
public Vector3f getGrassColor(Block block){
int blocksAboveSeaLevel = Math.max(block.getPosition().getY() - block.getWorld().getSeaLevel(), 0);
return getGrassColor(block.getBiome(), blocksAboveSeaLevel);
return color.div(count);
}
public Vector3f getGrassColor(Biome biome, int blocksAboveSeaLevel){
@ -168,6 +165,45 @@ private Vector2f getColorMapPosition(Biome biome, int blocksAboveSeaLevel){
float adjHumidity = (float) GenericMath.clamp(biome.getHumidity(), 0d, 1d) * adjTemp;
return new Vector2f(1 - adjTemp, 1 - adjHumidity);
}
private Iterable<Biome> iterateAverageBiomes(Block block){
Vector3i pos = block.getPosition();
Vector3i radius = new Vector3i(2, 1, 2);
final World world = block.getWorld();
final int sx = pos.getX() - radius.getX(),
sy = pos.getY() - radius.getY(),
sz = pos.getZ() - radius.getZ();
final int mx = pos.getX() + radius.getX(),
my = pos.getY() + radius.getY(),
mz = pos.getZ() + radius.getZ();
return () -> new Iterator<Biome>() {
private int x = sx,
y = sy,
z = sz;
@Override
public boolean hasNext() {
return z < mz || y < my || x < mx;
}
@Override
public Biome next() {
x++;
if (x > mx) {
x = sx;
y++;
}
if (y > my) {
y = sy;
z++;
}
return world.getBiome(new Vector3i(x, y, z));
}
};
}
public BufferedImage getFoliageMap() {
return foliageMap;

5
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/world/SlicedWorld.java
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@ -79,6 +79,11 @@ public int getMinY() {
return world.getMinY();
}
@Override
public Biome getBiome(Vector3i pos) {
return world.getBiome(pos);
}
@Override
public Block getBlock(Vector3i pos) {
if (!isInside(pos)) return createAirBlock(pos);

5
BlueMapCore/src/main/java/de/bluecolored/bluemap/core/world/World.java
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@ -56,6 +56,11 @@ default int getMaxY() {
default int getMinY() {
return 0;
}
/**
* Returns the Biome on the specified position or the default biome if the block is not generated yet.
*/
Biome getBiome(Vector3i pos);
/**
* Returns the Block on the specified position or an air-block if the block is not generated yet.

1
BlueMapCore/src/main/resources/blockColors.json
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@ -1,6 +1,7 @@
{
"default": "@foliage",
"minecraft:water": "@water",
"minecraft:cauldron": "@water",
"minecraft:grass_block": "@grass",
"minecraft:grass": "@grass",
"minecraft:tall_grass": "@grass",