Ported RandomTPAPI and /rtpd to 1.21.4

Author: Picono435

common/src/main/java/com/gmail/picono435/randomtp/api/RandomTPAPI.java

@@ -21,6 +21,8 @@
 import net.minecraft.world.level.block.Blocks;
 import net.minecraft.world.level.block.CactusBlock;
 import net.minecraft.world.level.block.LiquidBlock;
+import net.minecraft.world.level.portal.TeleportTransition;
+import net.minecraft.world.phys.Vec3;
 
 import java.util.*;
 import java.util.concurrent.ExecutorService;
@@ -107,7 +109,8 @@ public static Future<Boolean> randomTeleport(ServerPlayer player, ServerLevel wo
                 }
 
                 player.getServer().submit(() -> {
-                    player.teleportTo(world, mutableBlockPos.getX(), mutableBlockPos.getY(), mutableBlockPos.getZ(), player.getXRot(), player.getYRot());
+                    TeleportTransition teleportTransition = new TeleportTransition(world, mutableBlockPos.getCenter(), Vec3.ZERO, player.getYRot(), player.getXRot(), false, false, Set.of(), null);
+                    player.teleport(teleportTransition);
                     Component successful = Component.literal(Messages.getSuccessful().replaceAll("\\{playerName\\}", player.getName().getString()).replaceAll("\\{blockX\\}", "" + (int)player.position().x).replaceAll("\\{blockY\\}", "" + (int)player.position().y).replaceAll("\\{blockZ\\}", "" + (int)player.position().z).replaceAll("&", "§"));
                     player.sendSystemMessage(successful, false);
                 });

common/src/main/java/com/gmail/picono435/randomtp/commands/RTPDCommand.java

@@ -15,7 +15,7 @@
 import net.minecraft.network.chat.Component;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.ServerPlayer;
-import net.minecraft.world.level.portal.DimensionTransition;
+import net.minecraft.world.level.portal.TeleportTransition;
 
 public class RTPDCommand {
 
@@ -59,8 +59,8 @@ private static int runCommand(ServerPlayer p, ServerLevel dim) {
 					cooldowns.put(p.getName().getString(), System.currentTimeMillis());
 					return 1;
 				}
-				DimensionTransition dimensionTransition = new DimensionTransition(dim, p, DimensionTransition.DO_NOTHING);
-				p.changeDimension(dimensionTransition);
+				TeleportTransition teleportTransition = new TeleportTransition(dim, p, TeleportTransition.DO_NOTHING);
+				p.teleport(teleportTransition);
 				double cal = p.serverLevel().getWorldBorder().getSize()/2;
 				BigDecimal num = new BigDecimal(cal);
 				String maxDistance = num.toPlainString();