112 lines
4.0 KiB
Java
112 lines
4.0 KiB
Java
package us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.types;
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import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
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import io.netty.buffer.ByteBuf;
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import us.myles.ViaVersion.api.Via;
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import us.myles.ViaVersion.api.minecraft.Environment;
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import us.myles.ViaVersion.api.minecraft.chunks.BaseChunk;
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import us.myles.ViaVersion.api.minecraft.chunks.Chunk;
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import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
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import us.myles.ViaVersion.api.type.PartialType;
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import us.myles.ViaVersion.api.type.Type;
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import us.myles.ViaVersion.api.type.types.minecraft.BaseChunkType;
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import us.myles.ViaVersion.api.type.types.version.Types1_9;
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import us.myles.ViaVersion.protocols.protocol1_10to1_9_3.Protocol1_10To1_9_3_4;
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import us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld;
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import java.util.ArrayList;
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import java.util.BitSet;
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public class Chunk1_9_1_2Type extends PartialType<Chunk, ClientWorld> {
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public Chunk1_9_1_2Type(ClientWorld clientWorld) {
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super(clientWorld, Chunk.class);
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}
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@Override
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public Chunk read(ByteBuf input, ClientWorld world) throws Exception {
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boolean replacePistons = world.getUser().getProtocolInfo().getPipeline().contains(Protocol1_10To1_9_3_4.class) && Via.getConfig().isReplacePistons();
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int replacementId = Via.getConfig().getPistonReplacementId();
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int chunkX = input.readInt();
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int chunkZ = input.readInt();
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boolean groundUp = input.readBoolean();
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int primaryBitmask = Type.VAR_INT.read(input);
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// Size (unused)
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Type.VAR_INT.read(input);
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BitSet usedSections = new BitSet(16);
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ChunkSection[] sections = new ChunkSection[16];
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// Calculate section count from bitmask
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for (int i = 0; i < 16; i++) {
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if ((primaryBitmask & (1 << i)) != 0) {
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usedSections.set(i);
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}
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}
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// Read sections
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for (int i = 0; i < 16; i++) {
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if (!usedSections.get(i)) continue; // Section not set
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ChunkSection section = Types1_9.CHUNK_SECTION.read(input);
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sections[i] = section;
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section.readBlockLight(input);
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if (world.getEnvironment() == Environment.NORMAL) {
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section.readSkyLight(input);
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}
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if (replacePistons) {
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section.replacePaletteEntry(36, replacementId);
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}
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}
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int[] biomeData = groundUp ? new int[256] : null;
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if (groundUp) {
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for (int i = 0; i < 256; i++) {
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biomeData[i] = input.readByte() & 0xFF;
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}
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}
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return new BaseChunk(chunkX, chunkZ, groundUp, primaryBitmask, sections, biomeData, new ArrayList<CompoundTag>());
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}
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@Override
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public void write(ByteBuf output, ClientWorld world, Chunk chunk) throws Exception {
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output.writeInt(chunk.getX());
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output.writeInt(chunk.getZ());
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output.writeBoolean(chunk.isFullChunk());
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Type.VAR_INT.write(output, chunk.getBitmask());
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ByteBuf buf = output.alloc().buffer();
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try {
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for (int i = 0; i < 16; i++) {
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ChunkSection section = chunk.getSections()[i];
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if (section == null) continue; // Section not set
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Types1_9.CHUNK_SECTION.write(buf, section);
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section.writeBlockLight(buf);
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if (!section.hasSkyLight()) continue; // No sky light, we're done here.
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section.writeSkyLight(buf);
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}
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buf.readerIndex(0);
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Type.VAR_INT.write(output, buf.readableBytes() + (chunk.isBiomeData() ? 256 : 0));
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output.writeBytes(buf);
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} finally {
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buf.release(); // release buffer
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}
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// Write biome data
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if (chunk.isBiomeData()) {
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for (int biome : chunk.getBiomeData()) {
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output.writeByte((byte) biome);
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}
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}
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}
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@Override
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public Class<? extends Type> getBaseClass() {
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return BaseChunkType.class;
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}
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}
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