e38eceb42a
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 Spigot Changes: a19903d2 SPIGOT-520: Add option to disable player data saving
119 lines
5.2 KiB
Diff
119 lines
5.2 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 d30c4d5a4ee83e21ba9269c0b92af2b72b85d3cc..3a292bccb2295bf7ae46fc3d7e5c9c63a72f403d 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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@@ -307,6 +307,7 @@ 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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@@ -324,13 +325,28 @@ 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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@@ -389,6 +405,19 @@ 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 3655b3d48da865931507e8588830567ffef1cdac..254f2567f36ced5c4309ea2df7952772bb279390 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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@@ -1044,6 +1044,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
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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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@@ -1056,11 +1057,25 @@ public class WorldServer extends World implements GeneratorAccessSeed {
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throw (IllegalStateException) SystemUtils.c((Throwable) (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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