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 288d8e687f26c8f9757db055751dded6025117d5..beb3901487525086eb3833ae51587d15c0a06036 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -2457,5 +2457,25 @@ public class ServerPlayer extends Player {
     }
     // 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.teleport(to);
+        } else {
+            this.server.getPlayerList().moveToWorld(this, toLevel, true, to, !toLevel.paperConfig.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 7192cc7e5a78af2a611bfd853972ac92a5490f23..d96c4d52282e69180273322cb9a83f7365667fe3 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -45,6 +45,7 @@ import net.minecraft.network.syncher.EntityDataAccessor;
 import net.minecraft.network.syncher.EntityDataSerializers;
 import net.minecraft.network.syncher.SynchedEntityData;
 import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.MCUtil;
 import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.ServerPlayer;
@@ -407,6 +408,7 @@ public abstract class LivingEntity extends Entity {
                     double d1 = this.level.getWorldBorder().getDamagePerBlock();
 
                     if (d1 > 0.0D) {
+                        if (level.purpurConfig.teleportIfOutsideBorder && this instanceof ServerPlayer) { ((ServerPlayer) this).teleport(MCUtil.toLocation(level, level.getSharedSpawnPos())); return; } // Purpur
                         this.hurt(DamageSource.IN_WALL, (float) Math.max(1, Mth.floor(-d0 * d1)));
                     }
                 }
diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
index 5f3cdb4f286e53afdce0d14209e0bb85138b22e6..2405f4b3db32d633b74ed555a7d088272fb197bc 100644
--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
@@ -227,6 +227,7 @@ public class PurpurWorldConfig {
     public boolean playersShouldCramToDeath = true;
     public String playerDeathExpDropEquation = "expLevel * 7";
     public int playerDeathExpDropMax = 100;
+    public boolean teleportIfOutsideBorder = false;
     private void playerSettings() {
         idleTimeoutKick = getBoolean("gameplay-mechanics.player.idle-timeout.kick-if-idle", idleTimeoutKick);
         idleTimeoutTickNearbyEntities = getBoolean("gameplay-mechanics.player.idle-timeout.tick-nearby-entities", idleTimeoutTickNearbyEntities);
@@ -237,6 +238,7 @@ public class PurpurWorldConfig {
         playersShouldCramToDeath = getBoolean("gameplay-mechanics.player.should-cram-to-death", playersShouldCramToDeath);
         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;