Fix 1.20 Craftbukkit chunks

SpigotCore_20/build.gradle

@@ -0,0 +1,50 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2023  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+plugins {
+    id 'base'
+    id 'java'
+}
+
+group 'steamwar'
+version '1.0'
+
+compileJava.options.encoding = 'UTF-8'
+
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
+
+sourceSets {
+    main {
+        java {
+            srcDirs = ['src/']
+        }
+        resources {
+            srcDirs = ['src/']
+            exclude '**/*.java', '**/*.kt'
+        }
+    }
+}
+
+dependencies {
+    compileOnly project(":SpigotCore_Main")
+
+    compileOnly 'org.spigotmc:spigot-api:1.20-R0.1-SNAPSHOT'
+    compileOnly swdep("Spigot-1.20")
+}

SpigotCore_20/src/de/steamwar/core/CraftbukkitWrapper20.java

@@ -0,0 +1,42 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2023  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.core;
+
+import com.comphenix.tinyprotocol.Reflection;
+import com.comphenix.tinyprotocol.TinyProtocol;
+import net.minecraft.network.protocol.game.ClientboundLevelChunkWithLightPacket;
+import net.minecraft.world.level.World;
+import net.minecraft.world.level.chunk.Chunk;
+import net.minecraft.world.level.chunk.ChunkStatus;
+import net.minecraft.world.level.lighting.LevelLightEngine;
+import net.minecraft.world.level.lighting.LightEngine;
+import org.bukkit.entity.Player;
+
+public class CraftbukkitWrapper20 implements CraftbukkitWrapper.ICraftbukkitWrapper {
+
+    private static final Reflection.MethodInvoker getHandle = Reflection.getMethod("{obc}.CraftChunk", "getHandle", ChunkStatus.class);
+    private static final Reflection.MethodInvoker getLightEngine = Reflection.getTypedMethod(World.class, null, LightEngine.class);
+
+    @Override
+    public void sendChunk(Player p, int chunkX, int chunkZ) {
+        Chunk chunk = (Chunk) getHandle.invoke(p.getWorld().getChunkAt(chunkX, chunkZ), ChunkStatus.n);
+        TinyProtocol.instance.sendPacket(p, new ClientboundLevelChunkWithLightPacket(chunk, (LevelLightEngine) getLightEngine.invoke(chunk.r), null, null, true));
+    }
+}

build.gradle

@@ -75,6 +75,7 @@ dependencies {
     implementation project(":SpigotCore_15")
     implementation project(":SpigotCore_18")
     implementation project(":SpigotCore_19")
+    implementation project(":SpigotCore_20")
 
     implementation project(":CommonCore")
 }

settings.gradle

@@ -29,6 +29,7 @@ pluginManagement {
 rootProject.name = 'SpigotCore'
 
 include 'SpigotCore_Main'
+include 'SpigotCore_20'
 include 'SpigotCore_19'
 include 'SpigotCore_18'
 include 'SpigotCore_15'