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Mirror von https://github.com/PaperMC/Paper.git synchronisiert 2024-12-15 19:10:09 +01:00
Paper/Remapped-Spigot-Server-Patches/0554-Prevent-headless-pistons-from-being-created.patch
2021-06-11 13:56:17 +02:00

75 Zeilen
4.4 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: commandblockguy <commandblockguy1@gmail.com>
Date: Fri, 14 Aug 2020 14:44:14 -0500
Subject: [PATCH] Prevent headless pistons from being created
Prevent headless pistons from being created by explosions or tree/mushroom growth.
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index fdbd8b89bb8bf3b61f60b812b90483c98a3d5ccb..faa1b775e45563b93ac1d5b904938b1f5ad8d80c 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -441,6 +441,12 @@ public class PaperConfig {
set("settings.unsupported-settings.allow-tnt-duplication", null);
}
+ public static boolean allowHeadlessPistons;
+ private static void allowHeadlessPistons() {
+ config.set("settings.unsupported-settings.allow-headless-pistons-readme", "This setting controls if players should be able to create headless pistons.");
+ allowHeadlessPistons = getBoolean("settings.unsupported-settings.allow-headless-pistons", false);
+ }
+
public static int playerAutoSaveRate = -1;
public static int maxPlayerAutoSavePerTick = 10;
private static void playerAutoSaveRate() {
diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
index 0f0a5fa2be5a7c69291b593a04cad83e069ba5b1..f7ca5294fe571770e3b0036e92563c5a099f76b1 100644
--- a/src/main/java/net/minecraft/world/level/Explosion.java
+++ b/src/main/java/net/minecraft/world/level/Explosion.java
@@ -15,6 +15,7 @@ import java.util.Random;
import java.util.Set;
import javax.annotation.Nullable;
import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
import net.minecraft.core.Vec3i;
import net.minecraft.core.particles.ParticleTypes;
import net.minecraft.server.level.ServerLevel;
@@ -35,6 +36,8 @@ import net.minecraft.world.level.block.BaseFireBlock;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.piston.PistonHeadBlock;
+import net.minecraft.world.level.block.piston.PistonMovingBlockEntity;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.material.FluidState;
import net.minecraft.world.level.storage.loot.LootContext;
@@ -161,6 +164,15 @@ public class Explosion {
if (f > 0.0F && this.damageCalculator.a(this, this.level, blockposition, iblockdata, f) && blockposition.getY() < 256 && blockposition.getY() >= 0) { // CraftBukkit - don't wrap explosions
set.add(blockposition);
+ // Paper start - prevent headless pistons from forming
+ if (!com.destroystokyo.paper.PaperConfig.allowHeadlessPistons && iblockdata.getBlock() == Blocks.MOVING_PISTON) {
+ BlockEntity extension = this.level.getBlockEntity(blockposition);
+ if (extension instanceof PistonMovingBlockEntity && ((PistonMovingBlockEntity) extension).isHead()) {
+ Direction direction = iblockdata.getValue(PistonHeadBlock.FACING);
+ set.add(blockposition.relative(direction.getOpposite()));
+ }
+ }
+ // Paper end
}
d4 += d0 * 0.30000001192092896D;
diff --git a/src/main/java/net/minecraft/world/level/block/piston/PistonMovingBlockEntity.java b/src/main/java/net/minecraft/world/level/block/piston/PistonMovingBlockEntity.java
index 001e90da8b09e16b6df4849a5bac4f4821000c94..81f3c6fb7bab9de364537d3f3b2ea0f32795e5f1 100644
--- a/src/main/java/net/minecraft/world/level/block/piston/PistonMovingBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/piston/PistonMovingBlockEntity.java
@@ -65,6 +65,8 @@ public class PistonMovingBlockEntity extends BlockEntity implements TickableBloc
return this.direction;
}
+ public final boolean isHead() { return this.isSourcePiston(); } // Paper - OBFHELPER
+
public boolean isSourcePiston() {
return this.isSourcePiston;
}