Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-15 02:50:09 +01:00
a0b8b886c8
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
CraftBukkit Changes:
d5a72960 SPIGOT-6063: ConsoleSender sending extra lines in Java 13+
Spigot Changes:
2740d5ae Rebuild patches
104 Zeilen
6.3 KiB
Diff
104 Zeilen
6.3 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: Sat, 25 Apr 2020 06:46:35 -0400
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Subject: [PATCH] Fix numerous item duplication issues and teleport issues
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This notably fixes the newest "Donkey Dupe", but also fixes a lot
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of dupe bugs in general around nether portals and entity world transfer
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We also fix item duplication generically by anytime we clone an item
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to drop it on the ground, destroy the source item.
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This avoid an itemstack ever existing twice in the world state pre
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clean up stage.
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So even if something NEW comes up, it would be impossible to drop the
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same item twice because the source was destroyed.
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diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
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index 61633d5be6d16546b0780da7e726c9898c97ce10..79ef156b669cd11b9c4f5e281a71bc066557c8f0 100644
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--- a/src/main/java/net/minecraft/server/Entity.java
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+++ b/src/main/java/net/minecraft/server/Entity.java
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@@ -1870,11 +1870,12 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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} else {
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// CraftBukkit start - Capture drops for death event
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if (this instanceof EntityLiving && !((EntityLiving) this).forceDrops) {
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- ((EntityLiving) this).drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asBukkitCopy(itemstack));
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+ ((EntityLiving) this).drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack)); // Paper - mirror so we can destroy it later
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return null;
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}
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// CraftBukkit end
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- EntityItem entityitem = new EntityItem(this.world, this.locX(), this.locY() + (double) f, this.locZ(), itemstack);
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+ EntityItem entityitem = new EntityItem(this.world, this.locX(), this.locY() + (double) f, this.locZ(), itemstack.cloneItemStack()); // Paper - clone so we can destroy original
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+ itemstack.setCount(0); // Paper - destroy this item - if this ever leaks due to game bugs, ensure it doesn't dupe
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entityitem.defaultPickupDelay();
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// CraftBukkit start
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@@ -2518,6 +2519,12 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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@Nullable
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public Entity teleportTo(WorldServer worldserver, BlockPosition location) {
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// CraftBukkit end
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+ // Paper start - fix bad state entities causing dupes
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+ if (!isAlive() || !valid) {
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+ LOGGER.warn("Illegal Entity Teleport " + this + " to " + worldserver + ":" + location, new Throwable());
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+ return null;
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+ }
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+ // Paper end
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if (this.world instanceof WorldServer && !this.dead) {
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this.world.getMethodProfiler().enter("changeDimension");
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// CraftBukkit start
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@@ -2553,7 +2560,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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entity.bukkitEntity = this.getBukkitEntity();
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if (this instanceof EntityInsentient) {
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- ((EntityInsentient) this).unleash(true, false); // Unleash to prevent duping of leads.
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+ ((EntityInsentient) this).unleash(true, true); // Paper drop lead
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}
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// CraftBukkit end
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}
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@@ -2673,7 +2680,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
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}
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public boolean canPortal() {
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- return true;
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+ return isAlive() && valid; // Paper
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}
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public float a(Explosion explosion, IBlockAccess iblockaccess, BlockPosition blockposition, IBlockData iblockdata, Fluid fluid, float f) {
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diff --git a/src/main/java/net/minecraft/server/EntityArmorStand.java b/src/main/java/net/minecraft/server/EntityArmorStand.java
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index 5c3d2bbf7b2ae22347d251c90c85388779c2cd44..937fa3c69a5cba2fc2fa4506dc34ff8a37dae19c 100644
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--- a/src/main/java/net/minecraft/server/EntityArmorStand.java
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+++ b/src/main/java/net/minecraft/server/EntityArmorStand.java
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@@ -559,7 +559,7 @@ public class EntityArmorStand extends EntityLiving {
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for (i = 0; i < this.handItems.size(); ++i) {
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itemstack = (ItemStack) this.handItems.get(i);
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if (!itemstack.isEmpty()) {
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- drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asBukkitCopy(itemstack)); // CraftBukkit - add to drops
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+ drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack)); // CraftBukkit - add to drops // Paper - mirror so we can destroy it later - though this call site was safe
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this.handItems.set(i, ItemStack.b);
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}
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}
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@@ -567,7 +567,7 @@ public class EntityArmorStand extends EntityLiving {
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for (i = 0; i < this.armorItems.size(); ++i) {
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itemstack = (ItemStack) this.armorItems.get(i);
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if (!itemstack.isEmpty()) {
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- drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asBukkitCopy(itemstack)); // CraftBukkit - add to drops
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+ drops.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack)); // CraftBukkit - add to drops // Paper - mirror so we can destroy it later - though this call site was safe
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this.armorItems.set(i, ItemStack.b);
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}
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
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index ded7ac09b161135885189e1fb71403ef4856ad30..65de5c4e5ffb993d85af2410c44d0149878b6859 100644
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--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
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+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
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@@ -811,7 +811,8 @@ public class CraftEventFactory {
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for (org.bukkit.inventory.ItemStack stack : event.getDrops()) {
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if (stack == null || stack.getType() == Material.AIR || stack.getAmount() == 0) continue;
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- world.dropItem(entity.getLocation(), stack);
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+ world.dropItem(entity.getLocation(), stack); // Paper - note: dropItem already clones due to this being bukkit -> NMS
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+ if (stack instanceof CraftItemStack) stack.setAmount(0); // Paper - destroy this item - if this ever leaks due to game bugs, ensure it doesn't dupe, but don't nuke bukkit stacks of manually added items
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}
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return event;
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