PaperMC/patches/server/0007-CB-fixes.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Fri, 25 Feb 2022 07:14:48 -0800
Subject: [PATCH] CB fixes

* Missing Level -> LevelStem generic in StructureCheck
  Need to use the right for injectDatafixingContext (Spottedleaf)

* Removed incorrect parent perm for `minecraft.debugstick.always` (Machine_Maker)

* Fixed method signature of Marker#addPassenger (Machine_Maker)

* Removed unneeded UOE in CustomWorldChunkManager (extends BiomeSource) (Machine_Maker)

* Honor Server#getLootTable method contract (Machine_Maker)

Co-authored-by: Spottedleaf <Spottedleaf@users.noreply.github.com>

diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index ae219be37c5fcec3dd3f8b08819551003e66d351..8309eb14140ebcf62ae7be1dfa0177ac7fcf83d7 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -294,7 +294,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
 
         long l = minecraftserver.getWorldData().worldGenOptions().seed();
 
-        this.structureCheck = new StructureCheck(this.chunkSource.chunkScanner(), this.registryAccess(), minecraftserver.getStructureManager(), resourcekey, chunkgenerator, this.chunkSource.randomState(), this, chunkgenerator.getBiomeSource(), l, datafixer);
+        this.structureCheck = new StructureCheck(this.chunkSource.chunkScanner(), this.registryAccess(), minecraftserver.getStructureManager(), this.getTypeKey(), chunkgenerator, this.chunkSource.randomState(), this, chunkgenerator.getBiomeSource(), l, datafixer); // Paper - Fix missing CB diff
         this.structureManager = new StructureManager(this, this.serverLevelData.worldGenOptions(), this.structureCheck); // CraftBukkit
         if ((this.dimension() == Level.END && this.dimensionTypeRegistration().is(BuiltinDimensionTypes.END)) || env == org.bukkit.World.Environment.THE_END) { // CraftBukkit - Allow to create EnderDragonBattle in default and custom END
             this.dragonFight = new EndDragonFight(this, this.serverLevelData.worldGenOptions().seed(), this.serverLevelData.endDragonFightData()); // CraftBukkit
diff --git a/src/main/java/net/minecraft/world/entity/Marker.java b/src/main/java/net/minecraft/world/entity/Marker.java
index d9f07a311ec5a253bdfb681414e1f8033a576a23..6f110ece5686d1fc73b93fb9e0a73f2c1bcf4586 100644
--- a/src/main/java/net/minecraft/world/entity/Marker.java
+++ b/src/main/java/net/minecraft/world/entity/Marker.java
@@ -39,8 +39,9 @@ public class Marker extends Entity {
     }
 
     @Override
-    protected void addPassenger(Entity passenger) {
+    protected boolean addPassenger(Entity passenger) { // Paper - fix upstream
         passenger.stopRiding();
+        return false; // Paper - fix upstream
     }
 
     @Override
diff --git a/src/main/java/net/minecraft/world/level/levelgen/structure/StructureCheck.java b/src/main/java/net/minecraft/world/level/levelgen/structure/StructureCheck.java
index 99af167b02c1291f9f5fd1a195a3eb65de87002b..874f7ea643d27eec47d51a10ad472af7e8ec402e 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/structure/StructureCheck.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/structure/StructureCheck.java
@@ -44,7 +44,7 @@ public class StructureCheck {
     private final Registry<Biome> biomes;
     private final Registry<Structure> structureConfigs;
     private final StructureTemplateManager structureTemplateManager;
-    private final ResourceKey<Level> dimension;
+    private final ResourceKey<net.minecraft.world.level.dimension.LevelStem> dimension; // Paper - fix missing CB diff
     private final ChunkGenerator chunkGenerator;
     private final RandomState randomState;
     private final LevelHeightAccessor heightAccessor;
@@ -54,7 +54,7 @@ public class StructureCheck {
     private final Long2ObjectMap<Object2IntMap<Structure>> loadedChunks = new Long2ObjectOpenHashMap<>();
     private final Map<Structure, Long2BooleanMap> featureChecks = new HashMap<>();
 
-    public StructureCheck(ChunkScanAccess chunkIoWorker, RegistryAccess registryManager, StructureTemplateManager structureTemplateManager, ResourceKey<Level> worldKey, ChunkGenerator chunkGenerator, RandomState noiseConfig, LevelHeightAccessor world, BiomeSource biomeSource, long seed, DataFixer dataFixer) {
+    public StructureCheck(ChunkScanAccess chunkIoWorker, RegistryAccess registryManager, StructureTemplateManager structureTemplateManager, ResourceKey<net.minecraft.world.level.dimension.LevelStem> worldKey, ChunkGenerator chunkGenerator, RandomState noiseConfig, LevelHeightAccessor world, BiomeSource biomeSource, long seed, DataFixer dataFixer) { // Paper - fix missing CB diff
         this.storageAccess = chunkIoWorker;
         this.registryAccess = registryManager;
         this.structureTemplateManager = structureTemplateManager;
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 7faf3100253b7b1fd7119cf83238d8a349e7a6bb..2d3e0eed3ef5ac3853ede30bd67866d2a6e87508 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2302,7 +2302,13 @@ public final class CraftServer implements Server {
         Validate.notNull(key, "NamespacedKey cannot be null");
 
         LootTables registry = this.getServer().getLootTables();
-        return new CraftLootTable(key, registry.get(CraftNamespacedKey.toMinecraft(key)));
+        // Paper start - honor method contract
+        final ResourceLocation lootTableKey = CraftNamespacedKey.toMinecraft(key);
+        if (!registry.getIds().contains(lootTableKey)) {
+            return null;
+        }
+        return new CraftLootTable(key, registry.get(lootTableKey));
+        // Paper end
     }
 
     @Override
diff --git a/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java b/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java
index c93eec7a81ed83dc9190417dd51acb2780d3b60d..70d3949616c63038ad3e9bd1069db5ea2fb3f3b8 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/permissions/CraftDefaultPermissions.java
@@ -15,7 +15,7 @@ public final class CraftDefaultPermissions {
         DefaultPermissions.registerPermission(CraftDefaultPermissions.ROOT + ".nbt.place", "Gives the user the ability to place restricted blocks with NBT in creative", org.bukkit.permissions.PermissionDefault.OP, parent);
         DefaultPermissions.registerPermission(CraftDefaultPermissions.ROOT + ".nbt.copy", "Gives the user the ability to copy NBT in creative", org.bukkit.permissions.PermissionDefault.TRUE, parent);
         DefaultPermissions.registerPermission(CraftDefaultPermissions.ROOT + ".debugstick", "Gives the user the ability to use the debug stick in creative", org.bukkit.permissions.PermissionDefault.OP, parent);
-        DefaultPermissions.registerPermission(CraftDefaultPermissions.ROOT + ".debugstick.always", "Gives the user the ability to use the debug stick in all game modes", org.bukkit.permissions.PermissionDefault.FALSE, parent);
+        DefaultPermissions.registerPermission(CraftDefaultPermissions.ROOT + ".debugstick.always", "Gives the user the ability to use the debug stick in all game modes", org.bukkit.permissions.PermissionDefault.FALSE/* , parent */); // Paper - should not have this parent, as it's not a "vanilla" utility
         // Spigot end
         parent.recalculatePermissibles();
     }