Paper/patches/server/0634-Fix-incosistency-issue-with-empty-map-items-in-CB.patch
Jake Potrebic 2f92d4e00e
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appear 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:
01bb6ba7 PR-936: Add new PersistentDataContainer methods and clean up docs
bc145b90 PR-940: Create registry for banner pattern and cat type

CraftBukkit Changes:
cb2ea54de SPIGOT-7440, PR-1292: Fire EntityTeleportEvent for end gateways
4fea66e44 PR-1299: Add new PersistentDataContainer methods and clean up docs
b483a20db PR-1303: Create registry for banner pattern and cat type
4642dd526 SPIGOT-7535: Fix maps not having an ID and also call MapInitializeEvent in more places
2023-12-08 11:00:39 -08:00

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1.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Sun, 1 Aug 2021 09:49:06 +0100
Subject: [PATCH] Fix incosistency issue with empty map items in CB
diff --git a/src/main/java/net/minecraft/world/item/MapItem.java b/src/main/java/net/minecraft/world/item/MapItem.java
index d4b4da03dcd98336a15eaa045d6b0ce361b15b76..797415866a7f182d804f6b8e57ceb07a6ac2a20a 100644
--- a/src/main/java/net/minecraft/world/item/MapItem.java
+++ b/src/main/java/net/minecraft/world/item/MapItem.java
@@ -69,7 +69,7 @@ public class MapItem extends ComplexItem {
public static Integer getMapId(ItemStack stack) {
CompoundTag nbttagcompound = stack.getTag();
- return nbttagcompound != null && nbttagcompound.contains("map", 99) ? nbttagcompound.getInt("map") : -1; // CraftBukkit - make new maps for no tag
+ return nbttagcompound != null && nbttagcompound.contains("map", 99) ? nbttagcompound.getInt("map") : null; // CraftBukkit - make new maps for no tag // Paper - don't return invalid ID
}
public static int createNewSavedData(Level world, int x, int z, int scale, boolean showIcons, boolean unlimitedTracking, ResourceKey<Level> dimension) {
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaMap.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaMap.java
index 0c7280621cce9855dcc9569e0aefba77bfd555cb..0c7c67e1eea44487c52ebf650d35b3b43cd00c3a 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaMap.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaMap.java
@@ -133,6 +133,7 @@ class CraftMetaMap extends CraftMetaItem implements MapMeta {
@Override
public int getMapId() {
+ Preconditions.checkState(this.hasMapView(), "Item does not have map associated - check hasMapView() first!"); // Paper - more friendly message
return this.mapId;
}