89d51d5f29
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
64 Zeilen
3.5 KiB
Diff
64 Zeilen
3.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: JRoy <joshroy126@gmail.com>
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Date: Wed, 15 Jul 2020 21:42:52 -0400
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Subject: [PATCH] Fix SPIGOT-5989
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Before this fix, if a player was respawning to a respawn anchor and
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the respawn location was modified away from the anchor with the
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PlayerRespawnEvent, the anchor would still lose some charge.
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This fixes that by checking if the modified spawn location is
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still at a respawn anchor.
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diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
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index d0e158235915e4efc8bda99d552d029cd8680035..b43dd483d99a0021ccb0a2e690e19aec5f4da606 100644
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--- a/src/main/java/net/minecraft/server/players/PlayerList.java
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+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
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@@ -805,6 +805,7 @@ public abstract class PlayerList {
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// Paper start - Add PlayerPostRespawnEvent
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boolean isBedSpawn = false;
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boolean isRespawn = false;
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+ boolean isLocAltered = false; // Paper - Fix SPIGOT-5989
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// Paper end - Add PlayerPostRespawnEvent
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// CraftBukkit start - fire PlayerRespawnEvent
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@@ -815,7 +816,7 @@ public abstract class PlayerList {
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Optional optional;
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if (blockposition != null) {
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- optional = net.minecraft.world.entity.player.Player.findRespawnPositionAndUseSpawnBlock(worldserver1, blockposition, f, flag1, flag);
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+ optional = net.minecraft.world.entity.player.Player.findRespawnPositionAndUseSpawnBlock(worldserver1, blockposition, f, flag1, true); // Paper - Fix SPIGOT-5989
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} else {
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optional = Optional.empty();
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}
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@@ -859,7 +860,12 @@ public abstract class PlayerList {
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}
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// Spigot End
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- location = respawnEvent.getRespawnLocation();
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+ // Paper start - Fix SPIGOT-5989
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+ if (!location.equals(respawnEvent.getRespawnLocation()) ) {
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+ location = respawnEvent.getRespawnLocation();
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+ isLocAltered = true;
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+ }
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+ // Paper end - Fix SPIGOT-5989
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if (!flag) entityplayer.reset(); // SPIGOT-4785
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isRespawn = true; // Paper - Add PlayerPostRespawnEvent
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} else {
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@@ -897,8 +903,14 @@ public abstract class PlayerList {
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}
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// entityplayer1.initInventoryMenu();
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entityplayer1.setHealth(entityplayer1.getHealth());
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- if (flag2) {
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- entityplayer1.connection.send(new ClientboundSoundPacket(SoundEvents.RESPAWN_ANCHOR_DEPLETE, SoundSource.BLOCKS, (double) blockposition.getX(), (double) blockposition.getY(), (double) blockposition.getZ(), 1.0F, 1.0F, worldserver1.getRandom().nextLong()));
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+ // Paper start - Fix SPIGOT-5989
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+ if (flag2 && !isLocAltered) {
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+ if (!flag1) {
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+ BlockState data = worldserver1.getBlockState(blockposition);
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+ worldserver1.setBlock(blockposition, data.setValue(net.minecraft.world.level.block.RespawnAnchorBlock.CHARGE, data.getValue(net.minecraft.world.level.block.RespawnAnchorBlock.CHARGE) - 1), 3);
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+ }
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+ entityplayer1.connection.send(new ClientboundSoundPacket(SoundEvents.RESPAWN_ANCHOR_DEPLETE, SoundSource.BLOCKS, (double) location.getX(), (double) location.getY(), (double) location.getZ(), 1.0F, 1.0F, worldserver1.getRandom().nextLong()));
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+ // Paper end - Fix SPIGOT-5989
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}
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// Added from changeDimension
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this.sendAllPlayerInfo(entityplayer); // Update health, etc...
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