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 71d96fad8cceb9f5699620510b9b8cc4a6fa94f2..3833be24c44c0da3ffcfc1929e2c4a4b2ef40a1b 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -3026,4 +3026,28 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player imple
         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.world.entity.RelativeMovement.class));
+        } else {
+            // TODO: 1-21: check later - Paper removed it from "Expand PlayerRespawnEvent, fix passed parameter issues" path
+            //this.server.getPlayerList().respawn(this, toLevel, true, to, !toLevel.paperConfig().environment.disableTeleportationSuffocationCheck, org.bukkit.event.player.PlayerRespawnEvent.RespawnReason.DEATH);
+            this.server.getPlayerList().respawn(this, true, RemovalReason.KILLED, org.bukkit.event.player.PlayerRespawnEvent.RespawnReason.DEATH, to);
+        }
+    }
+    // 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 b183a9e42178ff02c5d70abacee3cfaa7b7b93c3..d9215a42c8dd761fa04269c936ed0cca3d96ff84 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -462,6 +462,7 @@ 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) { serverPlayer.teleport(io.papermc.paper.util.MCUtil.toLocation(level(), ((ServerLevel) level()).getSharedSpawnPos())); return; } // Purpur
                             this.hurt(this.damageSources().outOfBorder(), (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 7c7d8e3d3e2a9dca29d489fa2ce3cf101a07e124..9ffa9b0f96787f80d755afa793e4548fb80a0cd5 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -242,6 +242,7 @@ public class PurpurWorldConfig {
     public boolean idleTimeoutTargetPlayer = true;
     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);
@@ -255,6 +256,7 @@ public class PurpurWorldConfig {
         idleTimeoutTargetPlayer = getBoolean("gameplay-mechanics.player.idle-timeout.mobs-target", idleTimeoutTargetPlayer);
         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;