827cc63263
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: ffc8e4ca SPIGOT-5716: Clarify documentation of MultipleFacing CraftBukkit Changes: d07a78b1 SPIGOT-5716: Clarify documentation of MultipleFacing 46a13860 SPIGOT-5718: Block.BreakBlockNaturally does not reflect tool used 214ffea9 SPIGOT-5727: GameRule doImmediateRespawn cannot be set per-world Spigot Changes: 2f5d615f SPIGOT-5730: Modernise inventory patch a2bdb119 SPIGOT-5679: Add config option for end portal activation sound Closes #3352
119 lines
5.1 KiB
Diff
119 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 5086a854b84b05e5b9c0f5677051d19dfa42f343..426ca12970e0c75ba75eee6c3e3cdbf833730737 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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@@ -1078,6 +1078,7 @@ 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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@@ -1090,11 +1091,25 @@ 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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