mirror of https://github.com/webbukkit/dynmap.git
105 lines
3.0 KiB
Java
105 lines
3.0 KiB
Java
package org.dynmap.forge_1_16_5;
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import java.util.List;
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import net.minecraft.nbt.CompoundNBT;
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import net.minecraft.util.math.ChunkPos;
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import net.minecraft.world.chunk.AbstractChunkProvider;
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import net.minecraft.world.chunk.ChunkStatus;
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import net.minecraft.world.chunk.IChunk;
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import net.minecraft.world.chunk.storage.ChunkSerializer;
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import net.minecraft.world.server.ServerChunkProvider;
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import net.minecraft.world.server.ServerWorld;
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import org.dynmap.DynmapChunk;
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import org.dynmap.Log;
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import org.dynmap.common.chunk.GenericChunk;
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import org.dynmap.common.chunk.GenericChunkCache;
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import org.dynmap.common.chunk.GenericMapChunkCache;
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/**
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* Container for managing chunks - dependent upon using chunk snapshots, since rendering is off server thread
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*/
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public class ForgeMapChunkCache extends GenericMapChunkCache {
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private ServerWorld w;
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private ServerChunkProvider cps;
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/**
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* Construct empty cache
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*/
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public ForgeMapChunkCache(GenericChunkCache cc) {
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super(cc);
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init();
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}
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private boolean isLitChunk(CompoundNBT nbt) {
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if ((nbt != null) && nbt.contains("Level")) {
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nbt = nbt.getCompound("Level");
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}
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if (nbt != null) {
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String stat = nbt.getString("Status");
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ChunkStatus cs = ChunkStatus.byName(stat);
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if ((stat != null) && cs.isAtLeast(ChunkStatus.LIGHT)) { // ChunkStatus.LIGHT
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return true;
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}
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}
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return false;
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}
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// Load generic chunk from existing and already loaded chunk
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protected GenericChunk getLoadedChunk(DynmapChunk chunk) {
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GenericChunk gc = null;
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IChunk ch = cps.getChunk(chunk.x, chunk.z, ChunkStatus.FULL, false);
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if (ch != null) {
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CompoundNBT nbt = ChunkSerializer.write(w, ch);
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if (isLitChunk(nbt)) {
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gc = parseChunkFromNBT(new NBT.NBTCompound(nbt));
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}
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}
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return gc;
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}
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// Load generic chunk from unloaded chunk
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protected GenericChunk loadChunk(DynmapChunk chunk) {
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GenericChunk gc = null;
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CompoundNBT nbt = readChunk(chunk.x, chunk.z);
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// If read was good
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if (isLitChunk(nbt)) {
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gc = parseChunkFromNBT(new NBT.NBTCompound(nbt));
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}
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return gc;
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}
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public void setChunks(ForgeWorld dw, List<DynmapChunk> chunks) {
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this.w = (ServerWorld) dw.getWorld();
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if (dw.isLoaded()) {
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/* Check if world's provider is ServerChunkProvider */
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AbstractChunkProvider cp = this.w.getChunkProvider();
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if (cp instanceof ServerChunkProvider) {
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cps = (ServerChunkProvider)cp;
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}
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else {
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Log.severe("Error: world " + dw.getName() + " has unsupported chunk provider");
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}
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}
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super.setChunks(dw, chunks);
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}
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private CompoundNBT readChunk(int x, int z) {
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try {
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CompoundNBT rslt = cps.chunkManager.readChunk(new ChunkPos(x, z));
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if (rslt != null) {
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if (rslt.contains("Level")) {
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rslt = rslt.getCompound("Level");
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}
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}
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if (!isLitChunk(rslt)) {
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rslt = null;
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}
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return rslt;
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} catch (Exception exc) {
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Log.severe(String.format("Error reading chunk: %s,%d,%d", dw.getName(), x, z), exc);
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return null;
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}
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}
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}
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