From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Mon, 13 Jul 2020 11:40:00 -0500
Subject: [PATCH] Add option to teleport to spawn if outside world border


diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 60485e1d5abcc01698f364592d43d5dbc461cb7f..8dfc4763df3cd207e7200828f8237f680b47f986 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -2644,4 +2644,26 @@ public class ServerPlayer extends Player {
         return (CraftPlayer) super.getBukkitEntity();
     }
     // CraftBukkit end
+
+    // Purpur start
+    public void teleport(Location to) {
+        this.ejectPassengers();
+        this.stopRiding(true);
+
+        if (this.isSleeping()) {
+            this.stopSleepInBed(true, false);
+        }
+
+        if (this.containerMenu != this.inventoryMenu) {
+            this.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.TELEPORT);
+        }
+
+        ServerLevel toLevel = ((CraftWorld) to.getWorld()).getHandle();
+        if (this.level == toLevel) {
+            this.connection.internalTeleport(to.getX(), to.getY(), to.getZ(), to.getYaw(), to.getPitch(), java.util.EnumSet.noneOf(net.minecraft.network.protocol.game.ClientboundPlayerPositionPacket.RelativeArgument.class), true);
+        } else {
+            this.server.getPlayerList().respawn(this, toLevel, true, to, !toLevel.paperConfig().environment.disableTeleportationSuffocationCheck);
+        }
+    }
+    // Purpur end
 }
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 063ba101f751deecfbd7708b767e952fc4a273a3..e41d27f486c5efa1269822c177bc2f1214d27b58 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -410,6 +410,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
                         double d1 = this.level.getWorldBorder().getDamagePerBlock();
 
                         if (d1 > 0.0D) {
+                        if (level.purpurConfig.teleportIfOutsideBorder && this instanceof ServerPlayer) { ((ServerPlayer) this).teleport(io.papermc.paper.util.MCUtil.toLocation(level, ((ServerLevel) level).getSharedSpawnPos())); return; } // Purpur
                             this.hurt(this.damageSources().inWall(), (float) Math.max(1, Mth.floor(-d0 * d1)));
                         }
                     }
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index bf122a8219ed6259f7f1face69fbf246a1fcdc4d..2cbab8dc920fff0d1573072b791f39debd61a710 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -246,6 +246,7 @@ public class PurpurWorldConfig {
     public boolean playerInvulnerableWhileAcceptingResourcePack = false;
     public String playerDeathExpDropEquation = "expLevel * 7";
     public int playerDeathExpDropMax = 100;
+    public boolean teleportIfOutsideBorder = false;
     private void playerSettings() {
         if (PurpurConfig.version < 19) {
             boolean oldVal = getBoolean("gameplay-mechanics.player.idle-timeout.mods-target", idleTimeoutTargetPlayer);
@@ -261,6 +262,7 @@ public class PurpurWorldConfig {
         playerInvulnerableWhileAcceptingResourcePack = getBoolean("gameplay-mechanics.player.invulnerable-while-accepting-resource-pack", playerInvulnerableWhileAcceptingResourcePack);
         playerDeathExpDropEquation = getString("gameplay-mechanics.player.exp-dropped-on-death.equation", playerDeathExpDropEquation);
         playerDeathExpDropMax = getInt("gameplay-mechanics.player.exp-dropped-on-death.maximum", playerDeathExpDropMax);
+        teleportIfOutsideBorder = getBoolean("gameplay-mechanics.player.teleport-if-outside-border", teleportIfOutsideBorder);
     }
 
     public boolean silkTouchEnabled = false;