Paper/patches/server/0008-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 482ae4d9699891af2ea04a34c979a944d7d29a2c..2b94db53d9046299d1d4b39bce06002039a1800f 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -296,7 +296,7 @@ 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/animal/camel/Camel.java b/src/main/java/net/minecraft/world/entity/animal/camel/Camel.java
index 869f60e9407ed1c5bee536ef91a21f4d11f8f964..3aa98f7c282cb4884589cb83b1546b924e66f096 100644
--- a/src/main/java/net/minecraft/world/entity/animal/camel/Camel.java
+++ b/src/main/java/net/minecraft/world/entity/animal/camel/Camel.java
@@ -445,9 +445,9 @@ public class Camel extends AbstractHorse implements PlayerRideableJumping, Saddl
     }
 
     @Override
-    protected void actuallyHurt(DamageSource source, float amount) {
+    protected boolean damageEntity0(DamageSource source, float amount) { // Paper - fix CB method rename issue
         this.standUpInstantly();
-        super.actuallyHurt(source, amount);
+        return super.damageEntity0(source, amount); // Paper - fix CB method rename issue
     }
 
     @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 161ad6ab1443b2ce33a2d7d91d189c855db0453b..15a9736a870055d639d03063c7cf67fd769fff36 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
@@ -43,7 +43,7 @@ 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;
@@ -53,7 +53,7 @@ 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/CraftLootTable.java b/src/main/java/org/bukkit/craftbukkit/CraftLootTable.java
index 6ab2fd523b7f4e5cacef4ebb95f6812f391985d1..85133c388eff009ea1ffa391824b6556f7bf2014 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftLootTable.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftLootTable.java
@@ -174,4 +174,11 @@ public class CraftLootTable implements org.bukkit.loot.LootTable {
         org.bukkit.loot.LootTable table = (org.bukkit.loot.LootTable) obj;
         return table.getKey().equals(this.getKey());
     }
+
+    // Paper start - satisfy equals/hashCode contract
+    @Override
+    public int hashCode() {
+        return java.util.Objects.hash(key);
+    }
+    // Paper end
 }
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 3a0f31f25f4956248b708ae736b6604d0b957647..ead95ec10f93918215ea88d43aa5ad9e451ec3db 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2454,7 +2454,13 @@ public final class CraftServer implements Server {
         Preconditions.checkArgument(key != null, "NamespacedKey key cannot be null");
 
         LootDataManager registry = this.getServer().getLootData();
-        return new CraftLootTable(key, registry.getLootTable(CraftNamespacedKey.toMinecraft(key)));
+        // Paper start - honor method contract
+        final ResourceLocation lootTableKey = CraftNamespacedKey.toMinecraft(key);
+        if (registry.getLootTable(lootTableKey) == net.minecraft.world.level.storage.loot.LootTable.EMPTY) {
+            return null;
+        }
+        return new CraftLootTable(key, registry.getLootTable(lootTableKey));
+        // Paper end
     }
 
     @Override
diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
index 098b5d68cd910ae95a3512c8921b9465d9446d3b..fc9406f5f85c1f6180dbb666129a264b2baa55a3 100644
--- a/src/main/java/org/bukkit/craftbukkit/Main.java
+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
@@ -122,6 +122,7 @@ public class Main {
 
                 this.acceptsAll(Main.asList("forceUpgrade"), "Whether to force a world upgrade");
                 this.acceptsAll(Main.asList("eraseCache"), "Whether to force cache erase during world upgrade");
+                this.accepts("safeMode", "Loads level with vanilla datapack only"); // Paper
                 this.acceptsAll(Main.asList("nogui"), "Disables the graphical console");
 
                 this.acceptsAll(Main.asList("nojline"), "Disables jline and emulates the vanilla console");
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 5ac25dab93fd4c9e9533c80d1ca3d93446d7a365..245ad120a36b6defca7e6889faae1ca5fc33d0c7 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();
     }