Paper/patches/server/0006-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 a480e20ac456a3169c67d2d43c191b7807a8ef10..1427b76110a02cee15865173e06e7b7bb4231ae7 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -273,7 +273,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
 
         long l = minecraftserver.getWorldData().worldGenSettings().seed();
 
-        this.structureCheck = new StructureCheck(this.chunkSource.chunkScanner(), this.registryAccess(), minecraftserver.getStructureManager(), resourcekey, chunkgenerator, this, chunkgenerator.getBiomeSource(), l, datafixer);
+        this.structureCheck = new StructureCheck(this.chunkSource.chunkScanner(), this.registryAccess(), minecraftserver.getStructureManager(), this.getTypeKey(), chunkgenerator, this, chunkgenerator.getBiomeSource(), l, datafixer); // Paper - Fix missing CB diff
         this.structureFeatureManager = new StructureFeatureManager(this, this.serverLevelData.worldGenSettings(), this.structureCheck); // CraftBukkit
         if (this.dimensionType().createDragonFight()) {
             this.dragonFight = new EndDragonFight(this, this.serverLevelData.worldGenSettings().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 aef33a96cf8df9400cc60285ef1f7c5ded03b495..059c4c3b59f66ea2b2b23fe1eb106bf9447b607c 100644
--- a/src/main/java/net/minecraft/world/entity/Marker.java
+++ b/src/main/java/net/minecraft/world/entity/Marker.java
@@ -38,8 +38,9 @@ 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 ac1373b8c4411298f881f9d569bf984704eeadc4..469d3d7fb69829595abd221c700fcf79d2c42fd0 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
@@ -45,7 +45,7 @@ public class StructureCheck {
     private final Registry<Biome> biomes;
     private final Registry<ConfiguredStructureFeature<?, ?>> structureConfigs;
     private final StructureManager structureManager;
-    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 LevelHeightAccessor heightAccessor;
     private final BiomeSource biomeSource;
@@ -54,7 +54,7 @@ public class StructureCheck {
     private final Long2ObjectMap<Object2IntMap<ConfiguredStructureFeature<?, ?>>> loadedChunks = new Long2ObjectOpenHashMap<>();
     private final Map<ConfiguredStructureFeature<?, ?>, Long2BooleanMap> featureChecks = new HashMap<>();
 
-    public StructureCheck(ChunkScanAccess chunkIoWorker, RegistryAccess registryManager, StructureManager structureManager, ResourceKey<Level> worldKey, ChunkGenerator chunkGenerator, LevelHeightAccessor world, BiomeSource biomeSource, long seed, DataFixer dataFixer) {
+    public StructureCheck(ChunkScanAccess chunkIoWorker, RegistryAccess registryManager, StructureManager structureManager, ResourceKey<net.minecraft.world.level.dimension.LevelStem> worldKey, ChunkGenerator chunkGenerator, LevelHeightAccessor world, BiomeSource biomeSource, long seed, DataFixer dataFixer) { // Paper - fix missing CB diff
         this.storageAccess = chunkIoWorker;
         this.registryAccess = registryManager;
         this.structureManager = structureManager;
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index d29c6d0536619fab5a48fbb52115dac09e7d7ca3..66e8fea6bd10af2e19a4f49c556e66a63e6205b6 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2266,7 +2266,13 @@ 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/generator/CustomWorldChunkManager.java b/src/main/java/org/bukkit/craftbukkit/generator/CustomWorldChunkManager.java
index 6f1855d1fed73b694b0eaf581231359a66ae48e2..0238db9d5ffebe597534ec283f173ee2da19946d 100644
--- a/src/main/java/org/bukkit/craftbukkit/generator/CustomWorldChunkManager.java
+++ b/src/main/java/org/bukkit/craftbukkit/generator/CustomWorldChunkManager.java
@@ -45,8 +45,7 @@ public class CustomWorldChunkManager extends BiomeSource {
 
     @Override
     public BiomeSource withSeed(long seed) {
-        // TODO check method further
-        throw new UnsupportedOperationException("Cannot copy CustomWorldChunkManager");
+        return this; // Paper - Since this doesn't take a seed, no need to throw UOE
     }
 
     @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();
     }