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89d51d5f29
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
108 lines
5.3 KiB
Diff
108 lines
5.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
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Date: Sun, 5 Dec 2021 14:58:17 -0500
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Subject: [PATCH] Expand FallingBlock API
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- add auto expire setting
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- add setter for block data
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- add accessors for block state
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== AT ==
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public net.minecraft.world.entity.item.FallingBlockEntity blockState
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Co-authored-by: Lukas Planz <lukas.planz@web.de>
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diff --git a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
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index c0477f913867c67809978a4f240303151d81e6ea..a52c2fc38fd97ffa1684270443646d605ec35830 100644
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--- a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
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@@ -67,6 +67,7 @@ public class FallingBlockEntity extends Entity {
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@Nullable
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public CompoundTag blockData;
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protected static final EntityDataAccessor<BlockPos> DATA_START_POS = SynchedEntityData.defineId(FallingBlockEntity.class, EntityDataSerializers.BLOCK_POS);
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+ public boolean autoExpire = true; // Paper - Expand FallingBlock API
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public FallingBlockEntity(EntityType<? extends FallingBlockEntity> type, Level world) {
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super(type, world);
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@@ -169,7 +170,7 @@ public class FallingBlockEntity extends Entity {
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}
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if (!this.onGround() && !flag1) {
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- if (!this.level().isClientSide && (this.time > 100 && (blockposition.getY() <= this.level().getMinBuildHeight() || blockposition.getY() > this.level().getMaxBuildHeight()) || this.time > 600)) {
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+ if (!this.level().isClientSide && ((this.time > 100 && autoExpire) && (blockposition.getY() <= this.level().getMinBuildHeight() || blockposition.getY() > this.level().getMaxBuildHeight()) || (this.time > 600 && autoExpire))) { // Paper - Expand FallingBlock API
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if (this.dropItem && this.level().getGameRules().getBoolean(GameRules.RULE_DOENTITYDROPS)) {
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this.spawnAtLocation((ItemLike) block);
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}
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@@ -315,6 +316,7 @@ public class FallingBlockEntity extends Entity {
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}
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nbt.putBoolean("CancelDrop", this.cancelDrop);
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+ if (!autoExpire) {nbt.putBoolean("Paper.AutoExpire", false);} // Paper - Expand FallingBlock API
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}
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@Override
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@@ -342,6 +344,11 @@ public class FallingBlockEntity extends Entity {
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this.blockState = Blocks.SAND.defaultBlockState();
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}
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+ // Paper start - Expand FallingBlock API
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+ if (nbt.contains("Paper.AutoExpire")) {
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+ this.autoExpire = nbt.getBoolean("Paper.AutoExpire");
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+ }
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+ // Paper end - Expand FallingBlock API
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}
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public void setHurtsEntities(float fallHurtAmount, int fallHurtMax) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftFallingBlock.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftFallingBlock.java
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index a7a3f74b846112d752fe04162b30805961457b11..1359d25a32b4a5d5e8e68ce737bd19f7b5afaf69 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftFallingBlock.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftFallingBlock.java
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@@ -33,6 +33,31 @@ public class CraftFallingBlock extends CraftEntity implements FallingBlock {
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public BlockData getBlockData() {
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return CraftBlockData.fromData(this.getHandle().getBlockState());
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}
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+ // Paper start - Expand FallingBlock API
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+ @Override
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+ public void setBlockData(final BlockData blockData) {
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+ Preconditions.checkArgument(blockData != null, "blockData");
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+ final net.minecraft.world.level.block.state.BlockState oldState = this.getHandle().blockState, newState = ((CraftBlockData) blockData).getState();
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+ this.getHandle().blockState = newState;
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+ this.getHandle().blockData = null;
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+
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+ if (oldState != newState) this.update();
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+ }
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+
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+ @Override
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+ public org.bukkit.block.BlockState getBlockState() {
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+ return org.bukkit.craftbukkit.block.CraftBlockStates.getBlockState(this.getHandle().blockState, this.getHandle().blockData);
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+ }
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+
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+ @Override
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+ public void setBlockState(final org.bukkit.block.BlockState blockState) {
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+ Preconditions.checkArgument(blockState != null, "blockState");
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+ // Calls #update if needed, the block data compound tag is not synced with the client and hence can be mutated after the sync with clients.
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+ // The call also clears any potential old block data.
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+ this.setBlockData(blockState.getBlockData());
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+ if (blockState instanceof final org.bukkit.craftbukkit.block.CraftBlockEntityState<?> tileEntity) this.getHandle().blockData = tileEntity.getSnapshotNBT();
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+ }
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+ // Paper end - Expand FallingBlock API
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@Override
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public boolean getDropItem() {
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@@ -101,4 +126,15 @@ public class CraftFallingBlock extends CraftEntity implements FallingBlock {
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this.setHurtEntities(true);
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}
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}
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+ // Paper start - Expand FallingBlock API
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+ @Override
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+ public boolean doesAutoExpire() {
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+ return this.getHandle().autoExpire;
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+ }
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+
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+ @Override
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+ public void shouldAutoExpire(boolean autoExpires) {
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+ this.getHandle().autoExpire = autoExpires;
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+ }
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+ // Paper end - Expand FallingBlock API
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}
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