Files
Purpur/patches/server/0020-Player-invulnerabilities.patch
BillyGalbreath 9a15789561 Updated Upstream (Paper)
Upstream has released updates that appear to apply and compile correctly

Paper Changes:
PaperMC/Paper@52a60ad Updated Upstream (Bukkit/CraftBukkit) (#8172)
PaperMC/Paper@5deafd1 Teleportation API (#6562)
2022-07-22 16:44:39 -05:00

170 lines
9.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Sat, 2 May 2020 20:55:44 -0500
Subject: [PATCH] Player invulnerabilities
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index a11030df2eaaae4a0b5710f4d5d32033c30be9b1..70fe7e8a0e67c1c32cc33846c26020fe5b81f711 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -261,6 +261,7 @@ public class ServerPlayer extends Player {
// CraftBukkit end
public PlayerNaturallySpawnCreaturesEvent playerNaturallySpawnedEvent; // Paper
public boolean purpurClient = false; // Purpur
+ public boolean acceptingResourcePack = false; // Purpur
public double lastEntitySpawnRadiusSquared; // Paper - optimise isOutsideRange, this field is in blocks
public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleHashSet; // Paper
@@ -337,6 +338,7 @@ public class ServerPlayer extends Player {
this.bukkitPickUpLoot = true;
this.maxHealthCache = this.getMaxHealth();
this.cachedSingleMobDistanceMap = new com.destroystokyo.paper.util.PooledHashSets.PooledObjectLinkedOpenHashSet<>(this); // Paper
+ this.spawnInvulnerableTime = world.purpurConfig.playerSpawnInvulnerableTicks; // Purpur
}
// Paper start - Chunk priority
public BlockPos getPointInFront(double inFront) {
@@ -1019,6 +1021,12 @@ public class ServerPlayer extends Player {
}
+ // Purpur start
+ public boolean isSpawnInvulnerable() {
+ return spawnInvulnerableTime > 0 || frozen;
+ }
+ // Purpur end
+
@Override
public boolean hurt(DamageSource source, float amount) {
if (this.isInvulnerableTo(source)) {
@@ -1026,7 +1034,7 @@ public class ServerPlayer extends Player {
} else {
boolean flag = this.server.isDedicatedServer() && this.isPvpAllowed() && "fall".equals(source.msgId);
- if (!flag && this.spawnInvulnerableTime > 0 && source != DamageSource.OUT_OF_WORLD) {
+ if (!flag && isSpawnInvulnerable() && source != DamageSource.OUT_OF_WORLD) { // Purpur
return false;
} else {
if (source instanceof EntityDamageSource) {
@@ -1199,6 +1207,7 @@ public class ServerPlayer extends Player {
}
// Paper end
+ this.spawnInvulnerableTime = worldserver.purpurConfig.playerSpawnInvulnerableTicks; // Purpur
return this;
}
}
@@ -1992,6 +2001,7 @@ public class ServerPlayer extends Player {
}
public void sendTexturePack(String url, String hash, boolean required, @Nullable Component resourcePackPrompt) {
+ this.acceptingResourcePack = true; // Purpur
this.connection.send(new ClientboundResourcePackPacket(url, hash, required, resourcePackPrompt));
}
@@ -2517,9 +2527,17 @@ public class ServerPlayer extends Player {
@Override
public boolean isImmobile() {
- return super.isImmobile() || (this.connection != null && this.connection.isDisconnected()); // Paper
+ return super.isImmobile() || frozen || (this.connection != null && this.connection.isDisconnected()); // Paper // Purpur
}
+ // Purpur start
+ private boolean frozen = false;
+
+ public void setFrozen(boolean frozen) {
+ this.frozen = frozen;
+ }
+ // Purpur end
+
@Override
public Scoreboard getScoreboard() {
return this.getBukkitEntity().getScoreboard().getHandle();
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index bd7769c9511685bbf96e5bb80108a99508cb82d4..b51608b2eaaaa4bf4b89fbd379aa649c3a219c38 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2009,12 +2009,21 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
@Override
public void handleResourcePackResponse(ServerboundResourcePackPacket packet) {
PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
+ // Purpur start
+ if (player.level.purpurConfig.playerInvulnerableWhileAcceptingResourcePack && !this.player.acceptingResourcePack) {
+ ServerGamePacketListenerImpl.LOGGER.info("Disconnecting {} due to resource pack packet exploitation attempt", this.player.getName());
+ this.disconnect(Component.translatable("multiplayer.texturePrompt.failure.line1")); // "Server resource pack couldn't be applied"
+ return;
+ }
+ // Purpur end
if (packet.getAction() == ServerboundResourcePackPacket.Action.DECLINED && this.server.isResourcePackRequired()) {
ServerGamePacketListenerImpl.LOGGER.info("Disconnecting {} due to resource pack rejection", this.player.getGameProfile().getName()); // Paper - Don't print component in resource pack rejection message
this.disconnect(Component.translatable("multiplayer.requiredTexturePrompt.disconnect"), org.bukkit.event.player.PlayerKickEvent.Cause.RESOURCE_PACK_REJECTION); // Paper - add cause
}
// Paper start
PlayerResourcePackStatusEvent.Status packStatus = PlayerResourcePackStatusEvent.Status.values()[packet.action.ordinal()];
+ if (player.level.purpurConfig.playerInvulnerableWhileAcceptingResourcePack) player.setFrozen(packStatus == PlayerResourcePackStatusEvent.Status.ACCEPTED); // Purpur
+ this.player.acceptingResourcePack = packStatus == PlayerResourcePackStatusEvent.Status.ACCEPTED; // Purpur
player.getBukkitEntity().setResourcePackStatus(packStatus);
this.cserver.getPluginManager().callEvent(new PlayerResourcePackStatusEvent(this.getCraftPlayer(), packStatus)); // CraftBukkit
// Paper end
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 5f5ec3269a5856aa9e00df475901f5d13da3c6f6..f8699be5fed37f86445f9ee513e737ba6bcec161 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -1007,6 +1007,8 @@ public abstract class PlayerList {
}
// Paper end
+ entityplayer1.spawnInvulnerableTime = entityplayer1.level.purpurConfig.playerSpawnInvulnerableTicks; // Purpur
+
// CraftBukkit end
return entityplayer1;
}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 271387c0f5e011846507a0dd8dbf2445ca2ff7ed..c5cb4060bbe39f6ae73170369e807789bfb2ae54 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -2901,5 +2901,20 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
public void resetIdleTimer() {
getHandle().resetLastActionTime();
}
+
+ @Override
+ public boolean isSpawnInvulnerable() {
+ return getHandle().isSpawnInvulnerable();
+ }
+
+ @Override
+ public int getSpawnInvulnerableTicks() {
+ return getHandle().spawnInvulnerableTime;
+ }
+
+ @Override
+ public void setSpawnInvulnerableTicks(int spawnInvulnerableTime) {
+ getHandle().spawnInvulnerableTime = spawnInvulnerableTime;
+ }
// Purpur end
}
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index 034205c6e2887aee5d879db46fcf95480e0d7908..6bb51d0ec5d110c8a6690c1df25a730d50df0f72 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -97,6 +97,8 @@ public class PurpurWorldConfig {
public boolean idleTimeoutCountAsSleeping = false;
public boolean idleTimeoutUpdateTabList = false;
public boolean idleTimeoutTargetPlayer = true;
+ public int playerSpawnInvulnerableTicks = 60;
+ public boolean playerInvulnerableWhileAcceptingResourcePack = false;
private void playerSettings() {
if (PurpurConfig.version < 19) {
boolean oldVal = getBoolean("gameplay-mechanics.player.idle-timeout.mods-target", idleTimeoutTargetPlayer);
@@ -108,6 +110,8 @@ public class PurpurWorldConfig {
idleTimeoutCountAsSleeping = getBoolean("gameplay-mechanics.player.idle-timeout.count-as-sleeping", idleTimeoutCountAsSleeping);
idleTimeoutUpdateTabList = getBoolean("gameplay-mechanics.player.idle-timeout.update-tab-list", idleTimeoutUpdateTabList);
idleTimeoutTargetPlayer = getBoolean("gameplay-mechanics.player.idle-timeout.mobs-target", idleTimeoutTargetPlayer);
+ playerSpawnInvulnerableTicks = getInt("gameplay-mechanics.player.spawn-invulnerable-ticks", playerSpawnInvulnerableTicks);
+ playerInvulnerableWhileAcceptingResourcePack = getBoolean("gameplay-mechanics.player.invulnerable-while-accepting-resource-pack", playerInvulnerableWhileAcceptingResourcePack);
}
public boolean babiesAreRidable = true;