geforkt von Mirrors/Paper
4104545b11
"It was from a different time before books were as jank as they are now. As time has gone on they've only proven to be worse and worse."
75 Zeilen
4.4 KiB
Diff
75 Zeilen
4.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: commandblockguy <commandblockguy1@gmail.com>
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Date: Fri, 14 Aug 2020 14:44:14 -0500
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Subject: [PATCH] Prevent headless pistons from being created
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Prevent headless pistons from being created by explosions or tree/mushroom growth.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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index fdbd8b89bb8bf3b61f60b812b90483c98a3d5ccb..faa1b775e45563b93ac1d5b904938b1f5ad8d80c 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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@@ -441,6 +441,12 @@ public class PaperConfig {
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set("settings.unsupported-settings.allow-tnt-duplication", null);
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}
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+ public static boolean allowHeadlessPistons;
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+ private static void allowHeadlessPistons() {
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+ config.set("settings.unsupported-settings.allow-headless-pistons-readme", "This setting controls if players should be able to create headless pistons.");
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+ allowHeadlessPistons = getBoolean("settings.unsupported-settings.allow-headless-pistons", false);
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+ }
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+
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public static int playerAutoSaveRate = -1;
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public static int maxPlayerAutoSavePerTick = 10;
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private static void playerAutoSaveRate() {
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diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
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index a12af10e28f2d023ba6f916b5e7a53539416713f..822a8dbfaea0a312c4eb2849f2386ecd401b13e9 100644
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--- a/src/main/java/net/minecraft/world/level/Explosion.java
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+++ b/src/main/java/net/minecraft/world/level/Explosion.java
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@@ -15,6 +15,7 @@ import java.util.Random;
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import java.util.Set;
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import javax.annotation.Nullable;
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import net.minecraft.core.BlockPos;
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+import net.minecraft.core.Direction;
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import net.minecraft.core.Vec3i;
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import net.minecraft.core.particles.ParticleTypes;
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import net.minecraft.server.level.ServerLevel;
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@@ -35,6 +36,8 @@ import net.minecraft.world.level.block.BaseFireBlock;
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import net.minecraft.world.level.block.Block;
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import net.minecraft.world.level.block.Blocks;
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import net.minecraft.world.level.block.entity.BlockEntity;
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+import net.minecraft.world.level.block.piston.PistonHeadBlock;
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+import net.minecraft.world.level.block.piston.PistonMovingBlockEntity;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.gameevent.GameEvent;
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import net.minecraft.world.level.material.FluidState;
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@@ -189,6 +192,15 @@ public class Explosion {
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if (f > 0.0F && this.damageCalculator.shouldBlockExplode(this, this.level, blockposition, iblockdata, f) && blockposition.getY() < 256 && blockposition.getY() >= 0) { // CraftBukkit - don't wrap explosions
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set.add(blockposition);
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+ // Paper start - prevent headless pistons from forming
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+ if (!com.destroystokyo.paper.PaperConfig.allowHeadlessPistons && iblockdata.getBlock() == Blocks.MOVING_PISTON) {
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+ BlockEntity extension = this.level.getBlockEntity(blockposition);
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+ if (extension instanceof PistonMovingBlockEntity && ((PistonMovingBlockEntity) extension).isHead()) {
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+ Direction direction = iblockdata.getValue(PistonHeadBlock.FACING);
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+ set.add(blockposition.relative(direction.getOpposite()));
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+ }
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+ }
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+ // Paper end
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}
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d4 += d0 * 0.30000001192092896D;
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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
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index 87bedba9ab495edcce289c6665271d92b7165944..985f1112963c3b644a88788a6b4f8a9bd5f5c11a 100644
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--- a/src/main/java/net/minecraft/world/level/block/piston/PistonMovingBlockEntity.java
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+++ b/src/main/java/net/minecraft/world/level/block/piston/PistonMovingBlockEntity.java
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@@ -66,6 +66,8 @@ public class PistonMovingBlockEntity extends BlockEntity {
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return this.direction;
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}
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+ public final boolean isHead() { return this.isSourcePiston(); } // Paper - OBFHELPER
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+
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public boolean isSourcePiston() {
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return this.isSourcePiston;
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}
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