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Mirror von https://github.com/ViaVersion/ViaBackwards.git synchronisiert 2024-07-05 23:28:03 +02:00

Fix 1.17->1.16 heightmap conversion

Fixes ViaVersion/ViaVersion#2801
Dieser Commit ist enthalten in:
Nassim Jahnke 2022-01-22 11:52:09 +01:00
Ursprung 5593dfb8e5
Commit a8e767250a
Es konnte kein GPG-Schlüssel zu dieser Signatur gefunden werden
GPG-Schlüssel-ID: 6BE3B555EBC5982B

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@ -30,6 +30,9 @@ import com.viaversion.viaversion.api.minecraft.chunks.ChunkSection;
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.libs.opennbt.tag.builtin.CompoundTag;
import com.viaversion.viaversion.libs.opennbt.tag.builtin.LongArrayTag;
import com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag;
import com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ClientboundPackets1_16_2;
import com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ServerboundPackets1_16_2;
import com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.types.Chunk1_16_2Type;
@ -38,6 +41,8 @@ import com.viaversion.viaversion.protocols.protocol1_17to1_16_4.ClientboundPacke
import com.viaversion.viaversion.protocols.protocol1_17to1_16_4.ServerboundPackets1_17;
import com.viaversion.viaversion.protocols.protocol1_17to1_16_4.types.Chunk1_17Type;
import com.viaversion.viaversion.rewriter.BlockRewriter;
import com.viaversion.viaversion.util.CompactArrayUtil;
import com.viaversion.viaversion.util.MathUtil;
import java.util.ArrayList;
import java.util.Arrays;
@ -282,6 +287,16 @@ public final class BlockItemPackets1_17 extends ItemRewriter<Protocol1_16_4To1_1
ChunkSection[] sections = Arrays.copyOfRange(chunk.getSections(), startFromSection, startFromSection + 16);
chunk.setSections(sections);
CompoundTag heightMaps = chunk.getHeightMap();
for (Tag heightMapTag : heightMaps.values()) {
LongArrayTag heightMap = (LongArrayTag) heightMapTag;
int[] heightMapData = new int[256];
int bitsPerEntry = MathUtil.ceilLog2((currentWorldSectionHeight << 4) + 1);
// Shift back to 0 based and clamp to normal height with 9 bits
CompactArrayUtil.iterateCompactArrayWithPadding(bitsPerEntry, heightMapData.length, heightMap.getValue(), (i, v) -> heightMapData[i] = MathUtil.clamp(v + tracker.currentMinY(), 0, 255));
heightMap.setValue(CompactArrayUtil.createCompactArrayWithPadding(9, heightMapData.length, i -> heightMapData[i]));
}
for (int i = 0; i < 16; i++) {
ChunkSection section = sections[i];
if (section == null) continue;