198 Zeilen
11 KiB
Diff
198 Zeilen
11 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sat, 19 Jun 2021 10:54:52 -0700
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Subject: [PATCH] Fix Codec log spam
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Mojang did NOT add dataconverters for world gen configurations
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that they CHANGED. So, the codec fails to parse old data.
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This fixes two instances:
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- IntProvider is new and Mojang did not account for old data.
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Thankfully, only ColumnPlace needed to be special cased.
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- TreeConfiguration had changes. Thankfully, they were
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only renames for one value and thankfully defaults could
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be provided for two new values (WITHOUT changing behavior).
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diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
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index a7ae331258b9d09795fcd20e6e633d4fa8bfb7fa..f9701ef4162868894a81f0d1ac9b58d00d9a2d65 100644
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--- a/src/main/java/net/minecraft/server/MCUtil.java
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+++ b/src/main/java/net/minecraft/server/MCUtil.java
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@@ -718,4 +718,70 @@ public final class MCUtil {
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public static int getTicketLevelFor(net.minecraft.world.level.chunk.ChunkStatus status) {
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return net.minecraft.server.level.ChunkMap.MAX_VIEW_DISTANCE + net.minecraft.world.level.chunk.ChunkStatus.getDistance(status);
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}
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+
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+ public static <A> com.mojang.serialization.MapCodec<A> fieldWithFallbacks(com.mojang.serialization.Codec<A> codec, String name, String ...fallback) {
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+ return com.mojang.serialization.MapCodec.of(
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+ new com.mojang.serialization.codecs.FieldEncoder<>(name, codec),
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+ new FieldFallbackDecoder<>(name, java.util.Arrays.asList(fallback), codec),
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+ () -> "FieldFallback[" + name + ": " + codec.toString() + "]"
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+ );
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+ }
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+
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+ // This is likely a common occurrence, sadly
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+ public static final class FieldFallbackDecoder<A> extends com.mojang.serialization.MapDecoder.Implementation<A> {
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+ protected final String name;
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+ protected final List<String> fallback;
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+ private final com.mojang.serialization.Decoder<A> elementCodec;
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+
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+ public FieldFallbackDecoder(final String name, final List<String> fallback, final com.mojang.serialization.Decoder<A> elementCodec) {
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+ this.name = name;
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+ this.fallback = fallback;
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+ this.elementCodec = elementCodec;
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+ }
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+
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+ @Override
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+ public <T> com.mojang.serialization.DataResult<A> decode(final com.mojang.serialization.DynamicOps<T> ops, final com.mojang.serialization.MapLike<T> input) {
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+ T value = input.get(name);
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+ if (value == null) {
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+ for (String fall : fallback) {
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+ value = input.get(fall);
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+ if (value != null) {
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+ break;
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+ }
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+ }
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+ if (value == null) {
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+ return com.mojang.serialization.DataResult.error("No key " + name + " in " + input);
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+ }
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+ }
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+ return elementCodec.parse(ops, value);
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+ }
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+
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+ @Override
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+ public <T> java.util.stream.Stream<T> keys(final com.mojang.serialization.DynamicOps<T> ops) {
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+ return java.util.stream.Stream.of(ops.createString(name));
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+ }
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+
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+ @Override
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+ public boolean equals(final Object o) {
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+ if (this == o) {
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+ return true;
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+ }
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+ if (o == null || getClass() != o.getClass()) {
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+ return false;
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+ }
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+ final FieldFallbackDecoder<?> that = (FieldFallbackDecoder<?>)o;
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+ return java.util.Objects.equals(name, that.name) && java.util.Objects.equals(elementCodec, that.elementCodec)
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+ && java.util.Objects.equals(fallback, that.fallback);
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+ }
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+
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+ @Override
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+ public int hashCode() {
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+ return java.util.Objects.hash(name, fallback, elementCodec);
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+ }
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+
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+ @Override
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+ public String toString() {
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+ return "FieldDecoder[" + name + ": " + elementCodec + ']';
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+ }
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+ }
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}
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diff --git a/src/main/java/net/minecraft/util/valueproviders/IntProvider.java b/src/main/java/net/minecraft/util/valueproviders/IntProvider.java
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index 020a19cd683dd3779c5116d12b3cdcd3b3ca69b4..c81a0eec12436c10869bfdcc21af09173f438331 100644
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--- a/src/main/java/net/minecraft/util/valueproviders/IntProvider.java
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+++ b/src/main/java/net/minecraft/util/valueproviders/IntProvider.java
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@@ -9,13 +9,44 @@ import net.minecraft.core.Registry;
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public abstract class IntProvider {
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private static final Codec<Either<Integer, IntProvider>> CONSTANT_OR_DISPATCH_CODEC = Codec.either(Codec.INT, Registry.INT_PROVIDER_TYPES.dispatch(IntProvider::getType, IntProviderType::codec));
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- public static final Codec<IntProvider> CODEC = CONSTANT_OR_DISPATCH_CODEC.xmap((either) -> {
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+ public static final Codec<IntProvider> CODEC_REAL = CONSTANT_OR_DISPATCH_CODEC.xmap((either) -> { // Paper - used by CODEC below
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return either.map(ConstantInt::of, (intProvider) -> {
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return intProvider;
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});
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}, (intProvider) -> {
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return intProvider.getType() == IntProviderType.CONSTANT ? Either.left(((ConstantInt)intProvider).getValue()) : Either.right(intProvider);
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});
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+ // Paper start
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+ public static final Codec<IntProvider> CODEC = new Codec<>() {
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+ @Override
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+ public <T> DataResult<com.mojang.datafixers.util.Pair<IntProvider, T>> decode(com.mojang.serialization.DynamicOps<T> ops, T input) {
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+ /*
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+ UniformInt:
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+ count -> { (old format)
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+ base, spread
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+ } -> {UniformInt} { (new format & type)
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+ base, base + spread
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+ } */
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+
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+
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+ if (ops.get(input, "base").result().isPresent() && ops.get(input, "spread").result().isPresent()) {
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+ // detected old format
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+ int base = ops.getNumberValue(ops.get(input, "base").result().get()).result().get().intValue();
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+ int spread = ops.getNumberValue(ops.get(input, "spread").result().get()).result().get().intValue();
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+ return DataResult.success(new com.mojang.datafixers.util.Pair<>(UniformInt.of(base, base + spread), input));
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+ }
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+
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+ // not old format, forward to real codec
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+ return CODEC_REAL.decode(ops, input);
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+ }
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+
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+ @Override
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+ public <T> DataResult<T> encode(IntProvider input, com.mojang.serialization.DynamicOps<T> ops, T prefix) {
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+ // forward to real codec
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+ return CODEC_REAL.encode(input, ops, prefix);
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+ }
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+ };
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+ // Paper end
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public static final Codec<IntProvider> NON_NEGATIVE_CODEC = codec(0, Integer.MAX_VALUE);
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public static final Codec<IntProvider> POSITIVE_CODEC = codec(1, Integer.MAX_VALUE);
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diff --git a/src/main/java/net/minecraft/world/level/levelgen/feature/blockplacers/ColumnPlacer.java b/src/main/java/net/minecraft/world/level/levelgen/feature/blockplacers/ColumnPlacer.java
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index 05bba5410fbd9f8e333584ccbd65a909f3040322..82859e1b048ba8a96cc67e085e9ed01b6bd3a6cd 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/feature/blockplacers/ColumnPlacer.java
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+++ b/src/main/java/net/minecraft/world/level/levelgen/feature/blockplacers/ColumnPlacer.java
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@@ -10,11 +10,28 @@ import net.minecraft.world.level.LevelAccessor;
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import net.minecraft.world.level.block.state.BlockState;
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public class ColumnPlacer extends BlockPlacer {
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+ // Paper start
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public static final Codec<ColumnPlacer> CODEC = RecordCodecBuilder.create((instance) -> {
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- return instance.group(IntProvider.NON_NEGATIVE_CODEC.fieldOf("size").forGetter((columnPlacer) -> {
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- return columnPlacer.size;
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- })).apply(instance, ColumnPlacer::new);
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+ return instance.group(
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+ IntProvider.NON_NEGATIVE_CODEC.optionalFieldOf("size").forGetter((columnPlacer) -> {
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+ return java.util.Optional.of(columnPlacer.size);
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+ }),
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+ Codec.INT.optionalFieldOf("min_size").forGetter((columnPlacer) -> {
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+ return java.util.Optional.empty();
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+ }),
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+ Codec.INT.optionalFieldOf("extra_size").forGetter((columnPlacer) -> {
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+ return java.util.Optional.empty();
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+ })
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+ ).apply(instance, ColumnPlacer::new);
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});
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+ public ColumnPlacer(java.util.Optional<IntProvider> size, java.util.Optional<Integer> minSize, java.util.Optional<Integer> extraSize) {
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+ if (size.isPresent()) {
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+ this.size = size.get();
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+ } else {
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+ this.size = net.minecraft.util.valueproviders.BiasedToBottomInt.of(minSize.get().intValue(), minSize.get().intValue() + extraSize.get().intValue());
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+ }
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+ }
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+ // Paper end
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private final IntProvider size;
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public ColumnPlacer(IntProvider size) {
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diff --git a/src/main/java/net/minecraft/world/level/levelgen/feature/configurations/TreeConfiguration.java b/src/main/java/net/minecraft/world/level/levelgen/feature/configurations/TreeConfiguration.java
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index 5da68897148192905c2747676c1ee2ee649f923f..b990099cf274f8cb0d96c139345cf0bf328affd6 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/feature/configurations/TreeConfiguration.java
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+++ b/src/main/java/net/minecraft/world/level/levelgen/feature/configurations/TreeConfiguration.java
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@@ -18,13 +18,13 @@ public class TreeConfiguration implements FeatureConfiguration {
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return treeConfiguration.trunkProvider;
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}), TrunkPlacer.CODEC.fieldOf("trunk_placer").forGetter((treeConfiguration) -> {
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return treeConfiguration.trunkPlacer;
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- }), BlockStateProvider.CODEC.fieldOf("foliage_provider").forGetter((treeConfiguration) -> {
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+ }), net.minecraft.server.MCUtil.fieldWithFallbacks(BlockStateProvider.CODEC, "foliage_provider", "leaves_provider").forGetter((treeConfiguration) -> { // Paper - provide fallback for rename
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return treeConfiguration.foliageProvider;
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- }), BlockStateProvider.CODEC.fieldOf("sapling_provider").forGetter((treeConfiguration) -> {
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+ }), BlockStateProvider.CODEC.optionalFieldOf("sapling_provider", new SimpleStateProvider(Blocks.OAK_SAPLING.defaultBlockState())).forGetter((treeConfiguration) -> { // Paper - provide default - it looks like for now this is OK because it's just used to check canSurvive. Same check happens in 1.16.5 for the default we provide - so it should retain behavior...
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return treeConfiguration.saplingProvider;
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}), FoliagePlacer.CODEC.fieldOf("foliage_placer").forGetter((treeConfiguration) -> {
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return treeConfiguration.foliagePlacer;
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- }), BlockStateProvider.CODEC.fieldOf("dirt_provider").forGetter((treeConfiguration) -> {
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+ }), BlockStateProvider.CODEC.optionalFieldOf("dirt_provider", new SimpleStateProvider(Blocks.DIRT.defaultBlockState())).forGetter((treeConfiguration) -> { // Paper - provide defaults, old data DOES NOT have this key (thankfully ALL OLD DATA used DIRT)
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return treeConfiguration.dirtProvider;
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}), FeatureSize.CODEC.fieldOf("minimum_size").forGetter((treeConfiguration) -> {
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return treeConfiguration.minimumSize;
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