Get Forge 1.18 working

This commit is contained in:
Mike Primm 2021-12-02 00:28:41 -06:00
parent 98cfe350d5
commit ebdab5e706
3 changed files with 106 additions and 4 deletions

View File

@ -327,7 +327,10 @@ public class MapChunkCache118 extends AbstractMapChunkCache {
int b = bdata != null ? bdata.a(j) : 0;
cursect.biomes[j] = b < bpalette.size() ? BiomeMap.byBiomeName(bpalette.j(b)).getBiomeID() : -1;
}
lastsectwithbiome = cursect;
// Favor the Y=64 version
if ((secnum == 4) || (lastsectwithbiome == null)) {
lastsectwithbiome = cursect;
}
}
}
/* Get biome data */

View File

@ -3,6 +3,7 @@ package org.dynmap.forge_1_18;
import java.util.Arrays;
import java.util.LinkedList;
import org.dynmap.common.BiomeMap;
import org.dynmap.renderer.DynmapBlockState;
import org.dynmap.utils.DataBitsPacked;
@ -23,6 +24,7 @@ public class ChunkSnapshot
public int getBlockSkyLight(int x, int y, int z);
public int getBlockEmittedLight(int x, int y, int z);
public boolean isEmpty();
public int getBiome(int x, int y, int z);
}
private final int x, z;
@ -35,6 +37,7 @@ public class ChunkSnapshot
private final long inhabitedTicks;
private static final int BLOCKS_PER_SECTION = 16 * 16 * 16;
private static final int BIOMES_PER_SECTION = 4 * 4 * 4;
private static final int COLUMNS_PER_CHUNK = 16 * 16;
private static final byte[] emptyData = new byte[BLOCKS_PER_SECTION / 2];
private static final byte[] fullData = new byte[BLOCKS_PER_SECTION / 2];
@ -61,18 +64,24 @@ public class ChunkSnapshot
public boolean isEmpty() {
return true;
}
@Override
public int getBiome(int x, int y, int z) {
return BiomeMap.PLAINS.getBiomeID();
}
}
private static final EmptySection empty_section = new EmptySection();
private static class StdSection implements Section {
DynmapBlockState[] states;
int[] biomes;
byte[] skylight;
byte[] emitlight;
public StdSection() {
states = new DynmapBlockState[BLOCKS_PER_SECTION];
Arrays.fill(states, DynmapBlockState.AIR);
biomes = new int[BIOMES_PER_SECTION];
skylight = emptyData;
emitlight = emptyData;
}
@ -95,6 +104,10 @@ public class ChunkSnapshot
public boolean isEmpty() {
return false;
}
@Override
public int getBiome(int x, int y, int z) {
return BiomeMap.PLAINS.getBiomeID();
}
}
/**
* Construct empty chunk snapshot
@ -145,8 +158,10 @@ public class ChunkSnapshot
sections.add(empty_section);
sectcnt++;
}
//System.out.println("nbt.keys()=" + nbt.d().toString());
StdSection lastsectwithbiome = null;
/* Get sections */
ListTag sect = nbt.getList("Sections", 10);
ListTag sect = nbt.contains("sections") ? nbt.getList("sections", 10) : nbt.getList("Sections", 10);
for (int i = 0; i < sect.size(); i++) {
CompoundTag sec = sect.getCompound(i);
int secnum = sec.getByte("Y");
@ -214,11 +229,81 @@ public class ChunkSnapshot
}
}
}
else if (sec.contains("block_states")) { // 1.18
CompoundTag block_states = sec.getCompound("block_states");
// If we've block state data, process non-empty section
if (block_states.contains("data", 12)) {
long[] statelist = block_states.getLongArray("data");
ListTag plist = block_states.getList("palette", 10);
palette = new DynmapBlockState[plist.size()];
for (int pi = 0; pi < plist.size(); pi++) {
CompoundTag tc = plist.getCompound(pi);
String pname = tc.getString("Name");
if (tc.contains("Properties")) {
StringBuilder statestr = new StringBuilder();
CompoundTag prop = tc.getCompound("Properties");
for (String pid : prop.getAllKeys()) {
if (statestr.length() > 0) statestr.append(',');
statestr.append(pid).append('=').append(prop.get(pid).getAsString());
}
palette[pi] = DynmapBlockState.getStateByNameAndState(pname, statestr.toString());
}
if (palette[pi] == null) {
palette[pi] = DynmapBlockState.getBaseStateByName(pname);
}
if (palette[pi] == null) {
palette[pi] = DynmapBlockState.AIR;
}
}
SimpleBitStorage db = null;
DataBitsPacked dbp = null;
int bitsperblock = (statelist.length * 64) / 4096;
int expectedStatelistLength = (4096 + (64 / bitsperblock) - 1) / (64 / bitsperblock);
if (statelist.length == expectedStatelistLength) {
db = new SimpleBitStorage(bitsperblock, 4096, statelist);
}
else {
bitsperblock = (statelist.length * 64) / 4096;
dbp = new DataBitsPacked(bitsperblock, 4096, statelist);
}
if (bitsperblock > 8) { // Not palette
for (int j = 0; j < 4096; j++) {
int v = db != null ? db.get(j) : dbp.getAt(j);
states[j] = DynmapBlockState.getStateByGlobalIndex(v);
}
}
else {
for (int j = 0; j < 4096; j++) {
int v = db != null ? db.get(j) : dbp.getAt(j);
states[j] = (v < palette.length) ? palette[v] : DynmapBlockState.AIR;
}
}
}
}
if (sec.contains("BlockLight")) {
cursect.emitlight = sec.getByteArray("BlockLight");
}
if (sec.contains("SkyLight")) {
cursect.skylight = sec.getByteArray("SkyLight");
}
// If section biome palette
if (sec.contains("biomes")) {
CompoundTag nbtbiomes = sec.getCompound("biomes");
long[] bdataPacked = nbtbiomes.getLongArray("data");
ListTag bpalette = nbtbiomes.getList("palette", 8);
SimpleBitStorage bdata = null;
if (bdataPacked.length > 0)
bdata = new SimpleBitStorage(bdataPacked.length, 64, bdataPacked);
for (int j = 0; j < 64; j++) {
int b = bdata != null ? bdata.get(j) : 0;
cursect.biomes[j] = b < bpalette.size() ? BiomeMap.byBiomeName(bpalette.getString(b)).getBiomeID() : -1;
}
// Favor the Y=64 version
if ((secnum == 4) || (lastsectwithbiome == null)) {
lastsectwithbiome = cursect;
}
}
}
/* Get biome data */
@ -245,6 +330,17 @@ public class ChunkSnapshot
}
}
}
else { // Make up 2D version for now
if (lastsectwithbiome != null) {
// For now, just pad the grid with the first 16
for (int i = 0; i < COLUMNS_PER_CHUNK; i++) {
int off = ((i >> 4) & 0xC) + ((i >> 2) & 0x3);
int bv = lastsectwithbiome.biomes[off]; // Offset to y=64
if (bv < 0) bv = 0;
this.biome[i] = bv;
}
}
}
// Finalize sections array
this.section = sections.toArray(new Section[sections.size()]);
this.sectionOffset = sectoff;

View File

@ -860,7 +860,9 @@ public class ForgeMapChunkCache extends MapChunkCache {
try {
CompoundTag rslt = cps.chunkMap.readChunk(new ChunkPos(x, z));
if (rslt != null) {
rslt = rslt.getCompound("Level");
if (rslt.contains("Level")) {
rslt = rslt.getCompound("Level");
}
// Don't load uncooked chunks
String stat = rslt.getString("Status");
ChunkStatus cs = ChunkStatus.byName(stat);
@ -1080,8 +1082,9 @@ public class ForgeMapChunkCache extends MapChunkCache {
DynIntHashMap tileData;
if (vis) { // If visible
CompoundTag nbt = ChunkSerializer.write(w, ch);
if (nbt != null)
if ((nbt != null) && nbt.contains("Level")) {
nbt = nbt.getCompound("Level");
}
SnapshotRec ssr = prepChunkSnapshot(chunk, nbt);
ss = ssr.ss;
tileData = ssr.tileData;