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Code Issues Projects Releases Wiki Activity

Support for tile entities saving (BlockHandler)

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This commit is contained in:
TheMode 2021-06-22 18:02:50 +02:00
parent fc6e147919
commit 5f2b3df20e
2 changed files with 25 additions and 38 deletions
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60
src/main/java/net/minestom/server/instance/AnvilLoader.java
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@ -2,12 +2,15 @@ package net.minestom.server.instance;
import net.minestom.server.MinecraftServer;
import net.minestom.server.instance.block.Block;
import net.minestom.server.instance.block.BlockHandler;
import net.minestom.server.utils.chunk.ChunkCallback;
import net.minestom.server.world.biomes.Biome;
import net.minestom.server.world.biomes.BiomeManager;
import org.jetbrains.annotations.NotNull;
import org.jglrxavpok.hephaistos.mca.*;
import org.jglrxavpok.hephaistos.nbt.NBTCompound;
import org.jglrxavpok.hephaistos.nbt.NBTList;
import org.jglrxavpok.hephaistos.nbt.NBTTypes;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -40,7 +43,7 @@ public class AnvilLoader implements IChunkLoader {
}
@Override
public boolean loadChunk(Instance instance, int chunkX, int chunkZ, ChunkCallback callback) {
public boolean loadChunk(@NotNull Instance instance, int chunkX, int chunkZ, ChunkCallback callback) {
LOGGER.debug("Attempt loading at {} {}", chunkX, chunkZ);
if (!Files.exists(path)) {
// No world folder
@ -79,7 +82,7 @@ public class AnvilLoader implements IChunkLoader {
// Blocks
{
placeBlocks(chunk, fileChunk);
loadBlocks(chunk, fileChunk);
loadTileEntities(chunk, fileChunk);
}
@ -131,7 +134,7 @@ public class AnvilLoader implements IChunkLoader {
}
}
private void placeBlocks(Chunk chunk, ChunkColumn fileChunk) {
private void loadBlocks(Chunk chunk, ChunkColumn fileChunk) {
for (int x = 0; x < Chunk.CHUNK_SIZE_X; x++) {
for (int z = 0; z < Chunk.CHUNK_SIZE_Z; z++) {
for (int y = 0; y < 256; y++) { // TODO don't hardcode height
@ -209,54 +212,37 @@ public class AnvilLoader implements IChunkLoader {
callback.run();
}
private void saveTileEntities(Chunk chunk, ChunkColumn fileChunk) {
/*NBTList<NBTCompound> tileEntities = new NBTList<>(NBTTypes.TAG_Compound);
for (var index : chunk.getBlockEntities()) {
int x = ChunkUtils.blockIndexToChunkPositionX(index);
int y = ChunkUtils.blockIndexToChunkPositionY(index);
int z = ChunkUtils.blockIndexToChunkPositionZ(index);
position.setX(x);
position.setY(y);
position.setZ(z);
CustomBlock customBlock = chunk.getCustomBlock(x, y, z);
if (customBlock instanceof VanillaBlock) {
NBTCompound nbt = new NBTCompound();
nbt.setInt("x", x);
nbt.setInt("y", y);
nbt.setInt("z", z);
nbt.setByte("keepPacked", (byte) 0);
Block block = Block.fromStateId(customBlock.getDefaultBlockStateId());
Data data = chunk.getBlockData(ChunkUtils.getBlockIndex(x, y, z));
customBlock.writeBlockEntity(position, data, nbt);
if (block.hasBlockEntity()) {
nbt.setString("id", block.getBlockEntityName().toString());
tileEntities.add(nbt);
} else {
LOGGER.warn("Tried to save block entity for a block which is not a block entity? Block is {} at {},{},{}", customBlock, x, y, z);
}
}
}
fileChunk.setTileEntities(tileEntities);*/
}
private void save(Chunk chunk, ChunkColumn chunkColumn) {
NBTList<NBTCompound> tileEntities = new NBTList<>(NBTTypes.TAG_Compound);
chunkColumn.setGenerationStatus(ChunkColumn.GenerationStatus.Full);
// TODO: other elements to save
saveTileEntities(chunk, chunkColumn);
for (int x = 0; x < Chunk.CHUNK_SIZE_X; x++) {
for (int z = 0; z < Chunk.CHUNK_SIZE_Z; z++) {
for (int y = 0; y < 256; y++) { // TODO don't hardcode world height
final Block block = chunk.getBlock(x, y, z);
// Block
BlockState state = new BlockState(block.name(), block.properties());
chunkColumn.setBlockState(x, y, z, state);
// Biome
int index = ((y >> 2) & 63) << 4 | ((z >> 2) & 3) << 2 | ((x >> 2) & 3); // https://wiki.vg/Chunk_Format#Biomes
Biome biome = chunk.getBiomes()[index];
chunkColumn.setBiome(x, 0, z, biome.getId());
// Tile entity
final BlockHandler handler = block.handler();
if (handler != null) {
NBTCompound nbt = Objects.requireNonNullElseGet(block.nbt(), NBTCompound::new);
nbt.setString("id", handler.getNamespaceId().asString());
nbt.setInt("x", x);
nbt.setInt("y", y);
nbt.setInt("z", z);
nbt.setByte("keepPacked", (byte) 0);
tileEntities.add(nbt);
}
}
}
}
chunkColumn.setTileEntities(tileEntities);
}
}

3
src/test/java/demo/block/CampfireHandler.java
View File

@ -27,8 +27,9 @@ public class CampfireHandler implements BlockHandler {
@Override
public @Nullable List<ItemStack> read(@NotNull TagReadable reader) {
NBTList<NBTCompound> item = reader.getTag(internal);
if (item == null)
return null;
List<ItemStack> result = new ArrayList<>();
assert item != null;
item.forEach(nbtCompound -> {
int amount = nbtCompound.getAsByte("Count");
String id = nbtCompound.getString("id");