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654b792caf
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing CraftBukkit Changes:a339310c#755: Fix NPE when calling getInventory() for virtual EnderChests2577f9bfIncrease outdated build delay1dabfdc8#754: Fix pre-1.16 serialized SkullMeta being broken on 1.16+, losing textures
58 lines
3.3 KiB
Diff
58 lines
3.3 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 60f03502a7fd622d2de3b2da9fe8014b289f3d31..9fc12595a566f216620a7fb296d2d30e22332689 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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@@ -436,6 +436,12 @@ 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/server/Explosion.java b/src/main/java/net/minecraft/server/Explosion.java
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index f263177e3d41fd5720c430be3dcb1b5e2adb0134..b7cfa6fb188d36ecbad0389bb51e5f1016b9eabd 100644
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--- a/src/main/java/net/minecraft/server/Explosion.java
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+++ b/src/main/java/net/minecraft/server/Explosion.java
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@@ -135,6 +135,15 @@ public class Explosion {
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if (f > 0.0F && this.l.a(this, this.world, 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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+ TileEntityPiston extension = (TileEntityPiston)this.world.getTileEntity(blockposition);
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+ if (extension.isHead()) {
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+ EnumDirection direction = iblockdata.get(BlockPistonExtension.FACING);
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+ set.add(blockposition.shift(direction.opposite()));
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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/server/TileEntityPiston.java b/src/main/java/net/minecraft/server/TileEntityPiston.java
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index 7d86f0fe55063f6875db9c6f99f4f72ed4144536..b0d52d7405ca24938ca753897f89e6fad575d04d 100644
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--- a/src/main/java/net/minecraft/server/TileEntityPiston.java
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+++ b/src/main/java/net/minecraft/server/TileEntityPiston.java
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@@ -42,6 +42,8 @@ public class TileEntityPiston extends TileEntity implements ITickable {
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return this.b;
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}
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+ public final boolean isHead() { return this.h(); } // Paper - OBFHELPER
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+
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public boolean h() {
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return this.g;
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}
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