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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: da9ef3c5 #496: Add methods to get/set ItemStacks in EquipmentSlots 3abebc9f #492: Let Tameable extend Animals rather than Entity 941111a0 #495: Expose ItemStack and hand used in PlayerShearEntityEvent 4fe19cae #494: InventoryView - Add missing Brewing FUEL_TIME CraftBukkit Changes:933e9094
#664: Add methods to get/set ItemStacks in EquipmentSlots18722312
#662: Expose ItemStack and hand used in PlayerShearEntityEvent
120 lines
5.1 KiB
Diff
120 lines
5.1 KiB
Diff
From 0000000000000000000000000000000000000000 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 13d99de2cd08de02215031a1f699110c13ef35ff..f54572773c25b6716a68166efa8d3fc8b22b6258 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 02d9c754b11d37282e93f3a20d354e3010a12744..d1424325d5efb2f25062341bb57946e9b594813e 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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@@ -1084,6 +1084,7 @@ 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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@@ -1108,11 +1109,25 @@ 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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