57dd397155
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 Bukkit Changes: b999860d SPIGOT-2304: Add LootGenerateEvent CraftBukkit Changes: 77fd87e4 SPIGOT-2304: Implement LootGenerateEvent a1a705ee SPIGOT-5566: Doused campfires & fires should call EntityChangeBlockEvent 41712edd SPIGOT-5707: PersistentDataHolder not Persistent on API dropped Item
123 lines
5 KiB
Diff
123 lines
5 KiB
Diff
From eb17a9e3291d12df5f3a007c85644bcdbdaca564 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 26 Jul 2018 00:11:12 -0400
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Subject: [PATCH] Prevent Saving Bad entities to chunks
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See https://github.com/PaperMC/Paper/issues/1223
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Minecraft is saving invalid entities to the chunk files.
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Avoid saving bad data, and also make improvements to handle
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loading these chunks. Any invalid entity will be instant killed,
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so lets avoid adding it to the world...
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This lets us be safer about the dupe UUID resolver too, as now
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we can ignore instant killed entities and avoid risk of duplicating
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an invalid entity.
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This should reduce log occurrences of dupe uuid messages.
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diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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index 13d99de2cd..f54572773c 100644
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--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
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@@ -300,6 +300,7 @@ public class ChunkRegionLoader {
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nbttagcompound1.set("TileEntities", nbttaglist1);
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NBTTagList nbttaglist2 = new NBTTagList();
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+ java.util.List<Entity> toUpdate = new java.util.ArrayList<>(); // Paper
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if (ichunkaccess.getChunkStatus().getType() == ChunkStatus.Type.LEVELCHUNK) {
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Chunk chunk = (Chunk) ichunkaccess;
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@@ -311,13 +312,28 @@ public class ChunkRegionLoader {
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while (iterator1.hasNext()) {
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Entity entity = (Entity) iterator1.next();
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NBTTagCompound nbttagcompound4 = new NBTTagCompound();
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-
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+ // Paper start
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+ if ((int) Math.floor(entity.locX()) >> 4 != chunk.getPos().x || (int) Math.floor(entity.locZ()) >> 4 != chunk.getPos().z) {
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+ toUpdate.add(entity);
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+ continue;
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+ }
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+ if (entity.dead || hasPlayerPassenger(entity)) {
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+ continue;
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+ }
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+ // Paper end
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if (entity.d(nbttagcompound4)) {
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chunk.d(true);
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nbttaglist2.add(nbttagcompound4);
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}
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}
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}
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+
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+ // Paper start - move entities to the correct chunk
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+ for (Entity entity : toUpdate) {
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+ worldserver.chunkCheck(entity);
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+ }
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+ // Paper end
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+
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} else {
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ProtoChunk protochunk = (ProtoChunk) ichunkaccess;
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@@ -373,6 +389,19 @@ public class ChunkRegionLoader {
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nbttagcompound1.set("Structures", a(chunkcoordintpair, ichunkaccess.h(), ichunkaccess.v()));
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return nbttagcompound;
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}
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+ // Paper start - this is saved with the player
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+ private static boolean hasPlayerPassenger(Entity entity) {
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+ for (Entity passenger : entity.passengers) {
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+ if (passenger instanceof EntityPlayer) {
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+ return true;
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+ }
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+ if (hasPlayerPassenger(passenger)) {
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+ return true;
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+ }
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+ }
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+ return false;
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+ }
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+ // Paper end
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public static ChunkStatus.Type a(@Nullable NBTTagCompound nbttagcompound) {
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if (nbttagcompound != null) {
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diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
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index 6ce7f77a5e..87762b1725 100644
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--- a/src/main/java/net/minecraft/server/WorldServer.java
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+++ b/src/main/java/net/minecraft/server/WorldServer.java
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@@ -1085,6 +1085,7 @@ public class WorldServer extends World {
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List[] aentityslice = chunk.getEntitySlices(); // Spigot
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int i = aentityslice.length;
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+ java.util.List<Entity> toMoveChunks = new java.util.ArrayList<>(); // Paper
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for (int j = 0; j < i; ++j) {
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List<Entity> entityslice = aentityslice[j]; // Spigot
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Iterator iterator = entityslice.iterator();
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@@ -1109,11 +1110,25 @@ public class WorldServer extends World {
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throw (IllegalStateException) SystemUtils.c(new IllegalStateException("Removing entity while ticking!"));
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}
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+ // Paper start - move out entities that shouldn't be in this chunk before it unloads
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+ if (!entity.dead && (int) Math.floor(entity.locX()) >> 4 != chunk.getPos().x || (int) Math.floor(entity.locZ()) >> 4 != chunk.getPos().z) {
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+ toMoveChunks.add(entity);
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+ continue;
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+ }
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+ // Paper end
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+
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this.entitiesById.remove(entity.getId());
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this.unregisterEntity(entity);
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+
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+ if (entity.dead) iterator.remove(); // Paper - don't save dead entities during unload
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}
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}
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}
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+ // Paper start - move out entities that shouldn't be in this chunk before it unloads
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+ for (Entity entity : toMoveChunks) {
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+ this.chunkCheck(entity);
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+ }
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+ // Paper end
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}
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--
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2.26.2
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