ViaVersion/common/src/main/java/com/viaversion/viaversion/protocols/protocol1_16_2to1_16_1/packets/WorldPackets.java

117 lines
5.8 KiB
Java

/*
* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
* Copyright (C) 2016-2023 ViaVersion and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.packets;
import com.viaversion.viaversion.api.minecraft.BlockChangeRecord;
import com.viaversion.viaversion.api.minecraft.BlockChangeRecord1_16_2;
import com.viaversion.viaversion.api.minecraft.chunks.Chunk;
import com.viaversion.viaversion.api.minecraft.chunks.ChunkSection;
import com.viaversion.viaversion.api.minecraft.chunks.DataPalette;
import com.viaversion.viaversion.api.minecraft.chunks.PaletteType;
import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
import com.viaversion.viaversion.api.protocol.remapper.PacketRemapper;
import com.viaversion.viaversion.api.type.Type;
import com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ClientboundPackets1_16_2;
import com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.Protocol1_16_2To1_16_1;
import com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.types.Chunk1_16_2Type;
import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.ClientboundPackets1_16;
import com.viaversion.viaversion.protocols.protocol1_16to1_15_2.types.Chunk1_16Type;
import com.viaversion.viaversion.rewriter.BlockRewriter;
import java.util.ArrayList;
import java.util.List;
public class WorldPackets {
private static final BlockChangeRecord[] EMPTY_RECORDS = new BlockChangeRecord[0];
public static void register(Protocol1_16_2To1_16_1 protocol) {
BlockRewriter<ClientboundPackets1_16> blockRewriter = new BlockRewriter<>(protocol, Type.POSITION1_14);
blockRewriter.registerBlockAction(ClientboundPackets1_16.BLOCK_ACTION);
blockRewriter.registerBlockChange(ClientboundPackets1_16.BLOCK_CHANGE);
blockRewriter.registerAcknowledgePlayerDigging(ClientboundPackets1_16.ACKNOWLEDGE_PLAYER_DIGGING);
protocol.registerClientbound(ClientboundPackets1_16.CHUNK_DATA, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
Chunk chunk = wrapper.read(new Chunk1_16Type());
wrapper.write(new Chunk1_16_2Type(), chunk);
for (int s = 0; s < chunk.getSections().length; s++) {
ChunkSection section = chunk.getSections()[s];
if (section == null) {
continue;
}
DataPalette palette = section.palette(PaletteType.BLOCKS);
for (int i = 0; i < palette.size(); i++) {
int mappedBlockStateId = protocol.getMappingData().getNewBlockStateId(palette.idByIndex(i));
palette.setIdByIndex(i, mappedBlockStateId);
}
}
});
}
});
protocol.registerClientbound(ClientboundPackets1_16.MULTI_BLOCK_CHANGE, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
wrapper.cancel();
int chunkX = wrapper.read(Type.INT);
int chunkZ = wrapper.read(Type.INT);
long chunkPosition = 0;
chunkPosition |= (chunkX & 0x3FFFFFL) << 42;
chunkPosition |= (chunkZ & 0x3FFFFFL) << 20;
List<BlockChangeRecord>[] sectionRecords = new List[16];
BlockChangeRecord[] blockChangeRecord = wrapper.read(Type.BLOCK_CHANGE_RECORD_ARRAY);
for (BlockChangeRecord record : blockChangeRecord) {
int chunkY = record.getY() >> 4;
List<BlockChangeRecord> list = sectionRecords[chunkY];
if (list == null) {
sectionRecords[chunkY] = (list = new ArrayList<>());
}
// Absolute y -> relative chunk section y
int blockId = protocol.getMappingData().getNewBlockStateId(record.getBlockId());
list.add(new BlockChangeRecord1_16_2(record.getSectionX(), record.getSectionY(), record.getSectionZ(), blockId));
}
// Now send separate packets for the different chunk sections
for (int chunkY = 0; chunkY < sectionRecords.length; chunkY++) {
List<BlockChangeRecord> sectionRecord = sectionRecords[chunkY];
if (sectionRecord == null) continue;
PacketWrapper newPacket = wrapper.create(ClientboundPackets1_16_2.MULTI_BLOCK_CHANGE);
newPacket.write(Type.LONG, chunkPosition | (chunkY & 0xFFFFFL));
newPacket.write(Type.BOOLEAN, false); // Ignore light updates
newPacket.write(Type.VAR_LONG_BLOCK_CHANGE_RECORD_ARRAY, sectionRecord.toArray(EMPTY_RECORDS));
newPacket.send(Protocol1_16_2To1_16_1.class);
}
});
}
});
blockRewriter.registerEffect(ClientboundPackets1_16.EFFECT, 1010, 2001);
}
}