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Workaround pre 1.16.2 MC-68487

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Fixes #255
This commit is contained in:
KennyTV 2020-09-03 00:17:41 +02:00
parent e9ace2dd6b
commit ececd96718
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1 changed files with 57 additions and 0 deletions
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core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_16_1to1_16_2/packets/BlockItemPackets1_16_2.java
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@ -6,6 +6,7 @@ import nl.matsv.viabackwards.protocol.protocol1_16_1to1_16_2.Protocol1_16_1To1_1
import nl.matsv.viabackwards.protocol.protocol1_16_1to1_16_2.data.BackwardsMappings;
import us.myles.ViaVersion.api.minecraft.BlockChangeRecord;
import us.myles.ViaVersion.api.minecraft.BlockChangeRecord1_8;
import us.myles.ViaVersion.api.minecraft.Position;
import us.myles.ViaVersion.api.minecraft.chunks.Chunk;
import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
import us.myles.ViaVersion.api.remapper.PacketRemapper;
@ -18,6 +19,12 @@ import us.myles.ViaVersion.protocols.protocol1_16_2to1_16_1.types.Chunk1_16_2Typ
import us.myles.ViaVersion.protocols.protocol1_16to1_15_2.ServerboundPackets1_16;
import us.myles.ViaVersion.protocols.protocol1_16to1_15_2.data.RecipeRewriter1_16;
import us.myles.ViaVersion.protocols.protocol1_16to1_15_2.types.Chunk1_16Type;
import us.myles.viaversion.libs.opennbt.tag.builtin.CompoundTag;
import us.myles.viaversion.libs.opennbt.tag.builtin.IntArrayTag;
import us.myles.viaversion.libs.opennbt.tag.builtin.IntTag;
import us.myles.viaversion.libs.opennbt.tag.builtin.ListTag;
import us.myles.viaversion.libs.opennbt.tag.builtin.StringTag;
import us.myles.viaversion.libs.opennbt.tag.builtin.Tag;
public class BlockItemPackets1_16_2 extends nl.matsv.viabackwards.api.rewriters.ItemRewriter<Protocol1_16_1To1_16_2> {
@ -78,6 +85,29 @@ public class BlockItemPackets1_16_2 extends nl.matsv.viabackwards.api.rewriters.
section.setPaletteEntry(j, Protocol1_16_1To1_16_2.getNewBlockStateId(old));
}
}
for (CompoundTag blockEntity : chunk.getBlockEntities()) {
if (blockEntity == null) continue;
IntTag x = blockEntity.get("x");
IntTag y = blockEntity.get("y");
IntTag z = blockEntity.get("z");
if (x != null && y != null && z != null) {
handleBlockEntity(blockEntity, new Position(x.getValue(), y.getValue().shortValue(), z.getValue()));
}
}
});
}
});
protocol.registerOutgoing(ClientboundPackets1_16_2.BLOCK_ENTITY_DATA, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
Position position = wrapper.passthrough(Type.POSITION1_14);
wrapper.passthrough(Type.UNSIGNED_BYTE);
handleBlockEntity(wrapper.passthrough(Type.NBT), position);
});
}
});
@ -121,6 +151,33 @@ public class BlockItemPackets1_16_2 extends nl.matsv.viabackwards.api.rewriters.
});
}
private void handleBlockEntity(CompoundTag tag, Position position) {
StringTag idTag = tag.get("id");
if (idTag == null) return;
if (idTag.getValue().equals("minecraft:skull")) {
// Workaround an old client bug: MC-68487
Tag skullOwnerTag = tag.get("SkullOwner");
if (!(skullOwnerTag instanceof CompoundTag)) return;
CompoundTag skullOwnerCompoundTag = (CompoundTag) skullOwnerTag;
if (!skullOwnerCompoundTag.contains("Id")) return;
CompoundTag properties = skullOwnerCompoundTag.get("Properties");
if (properties == null) return;
ListTag textures = properties.get("textures");
if (textures == null) return;
CompoundTag first = textures.size() > 0 ? textures.get(0) : null;
if (first == null) return;
// Make the client cache the skinprofile over this uuid
int hashCode = first.get("Value").getValue().hashCode();
int[] uuidIntArray = {hashCode, 0, 0, 0}; //TODO split texture in 4 for a lower collision chance
skullOwnerCompoundTag.put(new IntArrayTag("Id", uuidIntArray));
}
}
public static int getNewItemId(int id) {
int newId = MappingData.oldToNewItems.get(id);
if (newId == -1) {