Adding crazy world reset

src/de/steamwar/spectatesystem/util/BlockTextCreator.java

@@ -37,7 +37,7 @@ public class BlockTextCreator {
 
     private static BlockArrayClipboard[] createText(String text){
         List<BlockArrayClipboard> result = new ArrayList<>();
-        for(char c : text.toCharArray()){
+        for(char c : text.toUpperCase().toCharArray()){
             try {
                 result.add((BlockArrayClipboard) new SpongeSchematicReader(new NBTInputStream(new GZIPInputStream(new FileInputStream(new File(SpectateSystem.get().getDataFolder(), "text/" + c + ".schem"))))).read());
             } catch (FileNotFoundException e) {
@@ -96,7 +96,7 @@ public class BlockTextCreator {
         Paster.replaceTeamColor(
                 WorldEdit.getInstance().getEditSessionFactory().getEditSession(WORLD, -1),
                 c,
-                x, y, z, length, 6, 0);
+                x - length / 2, y, z, length, 6, 0);
     }
 
     private static void pasteForTeam(int teamId, int x, int z, boolean rotate, String color){

src/de/steamwar/spectatesystem/util/WorldLoader.java

@@ -19,10 +19,20 @@
 
 package de.steamwar.spectatesystem.util;
 
+import de.steamwar.spectatesystem.Config;
 import de.steamwar.spectatesystem.SpectateSystem;
 import de.steamwar.spectatesystem.elements.REntity;
+import net.minecraft.server.v1_15_R1.Block;
+import net.minecraft.server.v1_15_R1.BlockPosition;
+import net.minecraft.server.v1_15_R1.IBlockData;
+import net.minecraft.server.v1_15_R1.WorldServer;
 import org.bukkit.Bukkit;
 import org.bukkit.World;
+import org.bukkit.WorldCreator;
+import org.bukkit.craftbukkit.v1_15_R1.CraftChunk;
+import org.bukkit.craftbukkit.v1_15_R1.CraftWorld;
+
+import java.util.Objects;
 
 public class WorldLoader {
     private WorldLoader(){}
@@ -32,17 +42,35 @@ public class WorldLoader {
     public static void reloadWorld(){
         Bukkit.getScheduler().runTask(SpectateSystem.get(), () -> {
             REntity.removeAll();
-            /*
+
-            Chunk[] chunks = world.getLoadedChunks();
+            WorldServer cworld = ((CraftWorld)world).getHandle();
-            PlayerChunkMap playerChunkMap = ((CraftWorld)world).getHandle().getChunkProvider().playerChunkMap;
+            WorldServer backup = ((CraftWorld) Objects.requireNonNull(new WorldCreator(world.getName() + "-backup").createWorld())).getHandle();
-            for(long l : playerChunkMap.updatingChunks.keySet())
+
-                playerChunkMap.unloadQueue.add(l);
+            for(int cX = Config.ArenaMinX / 16; cX <= Config.ArenaMaxX / 16; cX++){
-            System.out.println(world.getLoadedChunks().length);
+                for(int cZ = Config.ArenaMinZ / 16; cZ <= Config.ArenaMaxZ / 16; cZ++){
-            for(Chunk chunk: chunks){
+                    long start = System.currentTimeMillis();
-                //world.getChunkAt(chunk.getX(), chunk.getZ());
+                    int changedBlocks = 0;
-                for(Player player : Bukkit.getOnlinePlayers())
+                    net.minecraft.server.v1_15_R1.Chunk cchunk = ((CraftChunk) world.getChunkAt(cX, cZ)).getHandle();
-                    ((CraftPlayer)player).getHandle().playerConnection.sendPacket(new PacketPlayOutMapChunk(((CraftChunk)chunk).getHandle(), 65535));
+                    for(int y = 255; y >= 0; y--){ // y top down to reduce lightning calculations
-            }*/
+                        for(int x = cX * 16; x < (cX + 1) * 16; x++){
+                            for(int z = cZ; z < (cZ + 1) * 16; z++){
+                                BlockPosition blockPos = new BlockPosition(x, y, z);
+                                IBlockData backupBlock = backup.getType(blockPos);
+                                if(Block.REGISTRY_ID.getId(backupBlock) == Block.REGISTRY_ID.getId(cchunk.getType(blockPos)))
+                                    continue;
+
+                                changedBlocks++;
+                                cchunk.removeTileEntity(blockPos);
+                                cworld.setTypeAndData(blockPos, backupBlock, 1042);
+                                cworld.getChunkProvider().flagDirty(blockPos);
+                            }
+                        }
+                    }
+                    System.out.println("Resetted " + changedBlocks + " in " + (System.currentTimeMillis() - start) + "ms");
+                }
+            }
+
+            Bukkit.unloadWorld(world.getName() + "-backup", false);
         });
     }
 }