Fix: Piston listener on Fabric/NeoForge (#4899)

* Fix: Sticky pistons not retracting on Geyser-Spigot/turning visually into normal pistons on all other platforms

* Initial attempt: Mod piston listener

* fix piston retracting
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chris 2024-07-30 10:26:02 +02:00 committed by GitHub
parent 45f96a03e7
commit efe2736635
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GPG key ID: B5690EEEBB952194
7 changed files with 148 additions and 12 deletions

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@ -16,6 +16,7 @@ afterEvaluate {
dependencies { dependencies {
api(projects.core) api(projects.core)
compileOnly(libs.mixin) compileOnly(libs.mixin)
compileOnly(libs.mixinextras)
// Only here to suppress "unknown enum constant EnvType.CLIENT" warnings. DO NOT USE! // Only here to suppress "unknown enum constant EnvType.CLIENT" warnings. DO NOT USE!
compileOnly(libs.fabric.loader) compileOnly(libs.fabric.loader)

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@ -0,0 +1,127 @@
/*
* Copyright (c) 2024 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.geyser.platform.mod.mixin.server;
import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
import com.llamalad7.mixinextras.sugar.Share;
import com.llamalad7.mixinextras.sugar.ref.LocalRef;
import it.unimi.dsi.fastutil.objects.Object2ObjectArrayMap;
import it.unimi.dsi.fastutil.objects.Object2ObjectMap;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.piston.PistonBaseBlock;
import net.minecraft.world.level.block.state.BlockState;
import org.cloudburstmc.math.vector.Vector3i;
import org.geysermc.geyser.GeyserImpl;
import org.geysermc.geyser.session.GeyserSession;
import org.geysermc.geyser.session.cache.PistonCache;
import org.geysermc.geyser.translator.level.block.entity.PistonBlockEntity;
import org.geysermc.mcprotocollib.protocol.data.game.level.block.value.PistonValueType;
import org.spongepowered.asm.mixin.Final;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.Unique;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
@Mixin(PistonBaseBlock.class)
public class PistonBaseBlockMixin {
@Shadow
@Final
private boolean isSticky;
@ModifyExpressionValue(method = "moveBlocks",
at = @At(value = "INVOKE", target = "Lcom/google/common/collect/Maps;newHashMap()Ljava/util/HashMap;")
)
private HashMap<BlockPos, BlockState> geyser$onMapCreate(HashMap<BlockPos, BlockState> original, @Share("pushBlocks") LocalRef<Map<BlockPos, BlockState>> localRef) {
localRef.set(original);
return original;
}
@Inject(method = "moveBlocks",
at = @At(value = "INVOKE", target = "Lnet/minecraft/world/level/block/piston/PistonStructureResolver;getToDestroy()Ljava/util/List;")
)
private void geyser$onBlocksMove(Level level, BlockPos blockPos, Direction direction, boolean isExtending, CallbackInfoReturnable<Boolean> cir, @Share("pushBlocks") LocalRef<Map<BlockPos, BlockState>> localRef) {
PistonValueType type = isExtending ? PistonValueType.PUSHING : PistonValueType.PULLING;
boolean sticky = this.isSticky;
Object2ObjectMap<Vector3i, org.geysermc.geyser.level.block.type.BlockState> attachedBlocks = new Object2ObjectArrayMap<>();
boolean blocksFilled = false;
for (Map.Entry<UUID, GeyserSession> entry : GeyserImpl.getInstance().getSessionManager().getSessions().entrySet()) {
Player player = level.getPlayerByUUID(entry.getKey());
//noinspection resource
if (player == null || !player.level().equals(level)) {
continue;
}
GeyserSession session = entry.getValue();
int dX = Math.abs(blockPos.getX() - player.getBlockX()) >> 4;
int dZ = Math.abs(blockPos.getZ() - player.getBlockZ()) >> 4;
if ((dX * dX + dZ * dZ) > session.getServerRenderDistance() * session.getServerRenderDistance()) {
// Ignore pistons outside the player's render distance
continue;
}
// Trying to grab the blocks from the world like other platforms would result in the moving piston block
// being returned instead.
if (!blocksFilled) {
Map<BlockPos, net.minecraft.world.level.block.state.BlockState> blocks = localRef.get();
for (Map.Entry<BlockPos, BlockState> blockStateEntry : blocks.entrySet()) {
int blockStateId = Block.BLOCK_STATE_REGISTRY.getId(blockStateEntry.getValue());
org.geysermc.geyser.level.block.type.BlockState state = org.geysermc.geyser.level.block.type.BlockState.of(blockStateId);
attachedBlocks.put(geyser$fromBlockPos(blockStateEntry.getKey()), state);
}
blocksFilled = true;
}
org.geysermc.geyser.level.physics.Direction orientation = org.geysermc.geyser.level.physics.Direction.VALUES[direction.ordinal()];
Vector3i position = geyser$fromBlockPos(blockPos);
session.executeInEventLoop(() -> {
PistonCache pistonCache = session.getPistonCache();
PistonBlockEntity blockEntity = pistonCache.getPistons().computeIfAbsent(position, pos ->
new PistonBlockEntity(session, position, orientation, sticky, !isExtending));
blockEntity.setAction(type, attachedBlocks);
});
}
}
@Unique
private static Vector3i geyser$fromBlockPos(BlockPos pos) {
return Vector3i.from(pos.getX(), pos.getY(), pos.getZ());
}
}

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@ -5,6 +5,7 @@
"compatibilityLevel": "JAVA_17", "compatibilityLevel": "JAVA_17",
"mixins": [ "mixins": [
"server.BlockPlaceMixin", "server.BlockPlaceMixin",
"server.PistonBaseBlockMixin",
"server.ServerConnectionListenerMixin" "server.ServerConnectionListenerMixin"
], ],
"server": [ "server": [

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@ -129,7 +129,7 @@ public final class BlockRegistryPopulator {
NbtMapBuilder builder = vanillaBlockStates.get(i).toBuilder(); NbtMapBuilder builder = vanillaBlockStates.get(i).toBuilder();
builder.remove("version"); // Remove all nbt tags which are not needed for differentiating states builder.remove("version"); // Remove all nbt tags which are not needed for differentiating states
builder.remove("name_hash"); // Quick workaround - was added in 1.19.20 builder.remove("name_hash"); // Quick workaround - was added in 1.19.20
builder.remove("network_id"); // Added in 1.19.80 - ???? builder.remove("network_id"); // Added in 1.19.80
builder.remove("block_id"); // Added in 1.20.60 builder.remove("block_id"); // Added in 1.20.60
//noinspection UnstableApiUsage //noinspection UnstableApiUsage
builder.putCompound("states", statesInterner.intern((NbtMap) builder.remove("states"))); builder.putCompound("states", statesInterner.intern((NbtMap) builder.remove("states")));

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@ -37,7 +37,6 @@ import org.cloudburstmc.math.vector.Vector3i;
import org.cloudburstmc.nbt.NbtMap; import org.cloudburstmc.nbt.NbtMap;
import org.cloudburstmc.nbt.NbtMapBuilder; import org.cloudburstmc.nbt.NbtMapBuilder;
import org.cloudburstmc.protocol.bedrock.packet.UpdateBlockPacket; import org.cloudburstmc.protocol.bedrock.packet.UpdateBlockPacket;
import org.geysermc.geyser.api.util.PlatformType;
import org.geysermc.geyser.level.block.BlockStateValues; import org.geysermc.geyser.level.block.BlockStateValues;
import org.geysermc.geyser.level.block.Blocks; import org.geysermc.geyser.level.block.Blocks;
import org.geysermc.geyser.level.block.property.Properties; import org.geysermc.geyser.level.block.property.Properties;
@ -230,8 +229,8 @@ public class PistonBlockEntity {
BlockState state = session.getGeyser().getWorldManager().blockAt(session, blockInFront); BlockState state = session.getGeyser().getWorldManager().blockAt(session, blockInFront);
if (state.is(Blocks.PISTON_HEAD)) { if (state.is(Blocks.PISTON_HEAD)) {
ChunkUtils.updateBlock(session, Block.JAVA_AIR_ID, blockInFront); ChunkUtils.updateBlock(session, Block.JAVA_AIR_ID, blockInFront);
} else if ((session.getGeyser().getPlatformType() == PlatformType.SPIGOT || session.getErosionHandler().isActive()) && state.is(Blocks.AIR)) { } else if ((session.getGeyser().getWorldManager().hasOwnChunkCache() || session.getErosionHandler().isActive()) && state.is(Blocks.AIR)) {
// Spigot removes the piston head from the cache, but we need to send the block update ourselves // The platform removes the piston head from the cache, but we need to send the block update ourselves
ChunkUtils.updateBlock(session, Block.JAVA_AIR_ID, blockInFront); ChunkUtils.updateBlock(session, Block.JAVA_AIR_ID, blockInFront);
} }
} }

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@ -82,16 +82,22 @@ public class JavaBlockEventTranslator extends PacketTranslator<ClientboundBlockE
Direction direction = Direction.fromPistonValue(pistonValue.getDirection()); Direction direction = Direction.fromPistonValue(pistonValue.getDirection());
PistonCache pistonCache = session.getPistonCache(); PistonCache pistonCache = session.getPistonCache();
if (session.getGeyser().getPlatformType() == PlatformType.SPIGOT || session.getErosionHandler().isActive()) { if (session.getGeyser().getWorldManager().hasOwnChunkCache() || session.getErosionHandler().isActive()) {
// Mostly handled in the GeyserPistonEvents class // Mostly handled in the GeyserPistonEvents class (Spigot) / the PistonBlockBaseMixin (Mod platforms)
// Retracting sticky pistons is an exception, since the event is not called on Spigot from 1.13.2 - 1.17.1 // However, the retracting event is not fully covered. (Spigot)
// See https://github.com/PaperMC/Paper/blob/6fa1983e9ce177a4a412d5b950fd978620174777/patches/server/0304-Fire-BlockPistonRetractEvent-for-all-empty-pistons.patch // Mod platforms only handle pistons moving blocks; not the retracting of pistons.
if (action == PistonValueType.PULLING || action == PistonValueType.CANCELLED_MID_PUSH) { if (action == PistonValueType.PULLING || action == PistonValueType.CANCELLED_MID_PUSH) {
BlockState pistonBlock = session.getGeyser().getWorldManager().blockAt(session, position); BlockState pistonBlock = session.getGeyser().getWorldManager().blockAt(session, position);
if (!isSticky(pistonBlock)) {
// Retracting sticky pistons is an exception, since the event is not called on Spigot from 1.13.2 - 1.17.1
// See https://github.com/PaperMC/Paper/blob/6fa1983e9ce177a4a412d5b950fd978620174777/patches/server/0304-Fire-BlockPistonRetractEvent-for-all-empty-pistons.patch
boolean isSticky = isSticky(pistonBlock);
if (session.getGeyser().getPlatformType() == PlatformType.SPIGOT && !isSticky) {
return; return;
} }
if (action != PistonValueType.CANCELLED_MID_PUSH) {
// Only sticky pistons that don't pull any blocks are affected
if (action != PistonValueType.CANCELLED_MID_PUSH && isSticky) {
Vector3i blockInFrontPos = position.add(direction.getUnitVector()); Vector3i blockInFrontPos = position.add(direction.getUnitVector());
int blockInFront = session.getGeyser().getWorldManager().getBlockAt(session, blockInFrontPos); int blockInFront = session.getGeyser().getWorldManager().getBlockAt(session, blockInFrontPos);
if (blockInFront != Block.JAVA_AIR_ID) { if (blockInFront != Block.JAVA_AIR_ID) {
@ -99,7 +105,7 @@ public class JavaBlockEventTranslator extends PacketTranslator<ClientboundBlockE
return; return;
} }
} }
PistonBlockEntity blockEntity = pistonCache.getPistons().computeIfAbsent(position, pos -> new PistonBlockEntity(session, pos, direction, true, true)); PistonBlockEntity blockEntity = pistonCache.getPistons().computeIfAbsent(position, pos -> new PistonBlockEntity(session, pos, direction, isSticky, true));
if (blockEntity.getAction() != action) { if (blockEntity.getAction() != action) {
blockEntity.setAction(action, Object2ObjectMaps.emptyMap()); blockEntity.setAction(action, Object2ObjectMaps.emptyMap());
} }

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@ -33,6 +33,7 @@ fabric-api = "0.100.1+1.21"
fabric-permissions = "0.2-SNAPSHOT" fabric-permissions = "0.2-SNAPSHOT"
neoforge-minecraft = "21.0.0-beta" neoforge-minecraft = "21.0.0-beta"
mixin = "0.8.5" mixin = "0.8.5"
mixinextras = "0.3.5"
minecraft = "1.21" minecraft = "1.21"
# plugin versions # plugin versions
@ -89,6 +90,7 @@ folia-api = { group = "dev.folia", name = "folia-api", version.ref = "folia" }
paper-mojangapi = { group = "io.papermc.paper", name = "paper-mojangapi", version.ref = "folia" } paper-mojangapi = { group = "io.papermc.paper", name = "paper-mojangapi", version.ref = "folia" }
mixin = { group = "org.spongepowered", name = "mixin", version.ref = "mixin" } mixin = { group = "org.spongepowered", name = "mixin", version.ref = "mixin" }
mixinextras = { module = "io.github.llamalad7:mixinextras-common", version.ref = "mixinextras" }
minecraft = { group = "com.mojang", name = "minecraft", version.ref = "minecraft" } minecraft = { group = "com.mojang", name = "minecraft", version.ref = "minecraft" }