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Fix NPEs caused by custom head blocks from Polymer (#4764)

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* Add null checks to fix NPEs caused by custom head blocks from Polymer

* Make sure block state is never null, remove now unnecessary null checks

* Remove unnecessary default fallback in skull block entity translator
This commit is contained in:
Eclipse 2024-06-20 14:46:54 +00:00 committed by GitHub
parent 2e6cf2f4ca
commit ded6f6bb7c
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GPG key ID: B5690EEEBB952194
6 changed files with 15 additions and 13 deletions
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2
core/src/main/java/org/geysermc/geyser/entity/type/player/SkullPlayerEntity.java
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@ -152,7 +152,7 @@ public class SkullPlayerEntity extends PlayerEntity {
case EAST -> x -= 0.24f;
}
} else {
rotation = (180f + (blockState.getValue(Properties.ROTATION_16) * 22.5f)) % 360;
rotation = (180f + blockState.getValue(Properties.ROTATION_16, 0) * 22.5f) % 360;
}
moveAbsolute(Vector3f.from(x, y, z), rotation, 0, rotation, true, true);

10
core/src/main/java/org/geysermc/geyser/level/block/type/BlockState.java
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@ -25,6 +25,7 @@
package org.geysermc.geyser.level.block.type;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
import org.geysermc.geyser.level.block.property.Property;
import org.geysermc.geyser.registry.BlockRegistries;
@ -184,7 +185,14 @@ public final class BlockState {
return builder.toString();
}
/**
* Null-safe method that looks up a Java block state ID in the BLOCK_STATES registry, and defaults to air if not found.
*
* @param javaId the Java block state ID to look up.
* @return the corresponding block state, or air if the given ID wasn't registered and returned null.
*/
@NonNull
public static BlockState of(int javaId) {
return BlockRegistries.BLOCK_STATES.get(javaId);
return BlockRegistries.BLOCK_STATES.getOrDefault(javaId, BlockRegistries.BLOCK_STATES.get(Block.JAVA_AIR_ID));
}
}

4
core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/entity/player/BedrockActionTranslator.java
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@ -160,7 +160,7 @@ public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket
LevelEventPacket startBreak = new LevelEventPacket();
startBreak.setType(LevelEvent.BLOCK_START_BREAK);
startBreak.setPosition(vector.toFloat());
double breakTime = BlockUtils.getSessionBreakTime(session, BlockRegistries.BLOCK_STATES.getOrDefault(blockState, BlockState.of(Block.JAVA_AIR_ID)).block()) * 20;
double breakTime = BlockUtils.getSessionBreakTime(session, BlockState.of(blockState).block()) * 20;
// If the block is custom or the breaking item is custom, we must keep track of break time ourselves
GeyserItemStack item = session.getPlayerInventory().getItemInHand();
@ -211,7 +211,7 @@ public class BedrockActionTranslator extends PacketTranslator<PlayerActionPacket
LevelEventPacket updateBreak = new LevelEventPacket();
updateBreak.setType(LevelEvent.BLOCK_UPDATE_BREAK);
updateBreak.setPosition(vectorFloat);
double breakTime = BlockUtils.getSessionBreakTime(session, BlockRegistries.BLOCK_STATES.getOrDefault(breakingBlock, BlockState.of(Block.JAVA_AIR_ID)).block()) * 20;
double breakTime = BlockUtils.getSessionBreakTime(session, BlockState.of(breakingBlock).block()) * 20;
// If the block is custom, we must keep track of when it should break ourselves

4
core/src/main/java/org/geysermc/geyser/translator/protocol/java/level/JavaBlockDestructionTranslator.java
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@ -27,9 +27,7 @@ package org.geysermc.geyser.translator.protocol.java.level;
import org.cloudburstmc.protocol.bedrock.data.LevelEvent;
import org.cloudburstmc.protocol.bedrock.packet.LevelEventPacket;
import org.geysermc.geyser.level.block.type.Block;
import org.geysermc.geyser.level.block.type.BlockState;
import org.geysermc.geyser.registry.BlockRegistries;
import org.geysermc.geyser.registry.type.ItemMapping;
import org.geysermc.geyser.session.GeyserSession;
import org.geysermc.geyser.translator.protocol.PacketTranslator;
@ -43,7 +41,7 @@ public class JavaBlockDestructionTranslator extends PacketTranslator<Clientbound
@Override
public void translate(GeyserSession session, ClientboundBlockDestructionPacket packet) {
int state = session.getGeyser().getWorldManager().getBlockAt(session, packet.getPosition().getX(), packet.getPosition().getY(), packet.getPosition().getZ());
int breakTime = (int) (65535 / Math.ceil(BlockUtils.getBreakTime(session, BlockRegistries.BLOCK_STATES.getOrDefault(state, BlockState.of(Block.JAVA_AIR_ID)).block(), ItemMapping.AIR, null, false) * 20));
int breakTime = (int) (65535 / Math.ceil(BlockUtils.getBreakTime(session, BlockState.of(state).block(), ItemMapping.AIR, null, false) * 20));
LevelEventPacket levelEventPacket = new LevelEventPacket();
levelEventPacket.setPosition(packet.getPosition().toFloat());
levelEventPacket.setType(LevelEvent.BLOCK_START_BREAK);

5
core/src/main/java/org/geysermc/geyser/translator/protocol/java/level/JavaBlockEntityDataTranslator.java
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@ -33,9 +33,7 @@ import org.cloudburstmc.protocol.bedrock.data.structure.StructureMirror;
import org.cloudburstmc.protocol.bedrock.data.structure.StructureRotation;
import org.cloudburstmc.protocol.bedrock.packet.ContainerOpenPacket;
import org.cloudburstmc.protocol.bedrock.packet.UpdateBlockPacket;
import org.geysermc.geyser.level.block.Blocks;
import org.geysermc.geyser.level.block.type.BlockState;
import org.geysermc.geyser.registry.BlockRegistries;
import org.geysermc.geyser.session.GeyserSession;
import org.geysermc.geyser.translator.level.block.entity.BlockEntityTranslator;
import org.geysermc.geyser.translator.level.block.entity.SkullBlockEntityTranslator;
@ -59,8 +57,7 @@ public class JavaBlockEntityDataTranslator extends PacketTranslator<ClientboundB
BlockEntityTranslator translator = BlockEntityUtils.getBlockEntityTranslator(type);
// The Java block state is used in BlockEntityTranslator.translateTag() to make up for some inconsistencies
// between Java block states and Bedrock block entity data
BlockState blockState = BlockRegistries.BLOCK_STATES.getOrDefault(session.getGeyser().getWorldManager().getBlockAt(session, packet.getPosition()),
Blocks.AIR.defaultBlockState());
BlockState blockState = session.getGeyser().getWorldManager().blockAt(session, packet.getPosition());
if (blockState.block().blockEntityType() != type) {
return;

3
core/src/main/java/org/geysermc/geyser/translator/protocol/java/level/JavaLevelChunkWithLightTranslator.java
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@ -39,7 +39,6 @@ import org.cloudburstmc.protocol.bedrock.data.definitions.BlockDefinition;
import org.cloudburstmc.protocol.bedrock.packet.LevelChunkPacket;
import org.geysermc.geyser.entity.type.ItemFrameEntity;
import org.geysermc.geyser.level.BedrockDimension;
import org.geysermc.geyser.level.block.Blocks;
import org.geysermc.geyser.level.block.type.Block;
import org.geysermc.geyser.level.block.type.BlockState;
import org.geysermc.geyser.level.chunk.BlockStorage;
@ -399,7 +398,7 @@ public class JavaLevelChunkWithLightTranslator extends PacketTranslator<Clientbo
// Get the Java block state ID from block entity position
DataPalette section = javaChunks[(y >> 4) - yOffset];
BlockState blockState = BlockRegistries.BLOCK_STATES.getOrDefault(section.get(x, y & 0xF, z), Blocks.AIR.defaultBlockState());
BlockState blockState = BlockState.of(section.get(x, y & 0xF, z));
// Note that, since 1.20.5, tags can be null, but Bedrock still needs a default tag to render the item
// Also, some properties - like banner base colors - are part of the tag and is processed here.