From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <spottedleaf@spottedleaf.dev>
Date: Sun, 17 May 2020 23:52:38 -0700
Subject: [PATCH] Improve paper prevent moving into unloaded chunk check

Check the AABB of the move

diff --git a/src/main/java/net/minecraft/server/network/PlayerConnection.java b/src/main/java/net/minecraft/server/network/PlayerConnection.java
index 6ad075907d56a8f41ca3a7b82ff90a6d3ad9f1d4..de6e6152795f4f01c8b79def423f1cb59906a7f7 100644
--- a/src/main/java/net/minecraft/server/network/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/network/PlayerConnection.java
@@ -570,7 +570,9 @@ public class PlayerConnection implements PacketListenerPlayIn {
                 speed *= 2f; // TODO: Get the speed of the vehicle instead of the player
 
                 // Paper start - Prevent moving into unloaded chunks
-                if (player.world.paperConfig.preventMovingIntoUnloadedChunks && worldserver.getChunkIfLoadedImmediately((int) Math.floor(packetplayinvehiclemove.getX()) >> 4, (int) Math.floor(packetplayinvehiclemove.getZ()) >> 4) == null) {
+                if (player.world.paperConfig.preventMovingIntoUnloadedChunks // Tuinity - improve this check
+                        && (!worldserver.areChunksLoadedForMove(this.player.getBoundingBoxAt(this.player.locX(), this.player.locY(), this.player.locZ()).expand(toX - this.player.locX(), toY - this.player.locY(), toZ - this.player.locZ()))) // Tuinity - improve this check
+                    || !worldserver.areChunksLoadedForMove(entity.getBoundingBoxAt(entity.locX(), entity.locY(), entity.locZ()).expand(toX - entity.locX(), toY - entity.locY(), toZ - entity.locZ()))) { // Tuinity - improve this check
                     this.networkManager.sendPacket(new PacketPlayOutVehicleMove(entity));
                     return;
                 }
@@ -1289,7 +1291,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
                                 speed = player.abilities.walkSpeed * 10f;
                             }
                             // Paper start - Prevent moving into unloaded chunks
-                            if (player.world.paperConfig.preventMovingIntoUnloadedChunks && (this.player.locX() != toX || this.player.locZ() != toZ) && worldserver.getChunkIfLoadedImmediately((int) Math.floor(toX) >> 4, (int) Math.floor(toZ) >> 4) == null) { // Paper - use getIfLoadedImmediately
+                            if (player.world.paperConfig.preventMovingIntoUnloadedChunks && !((WorldServer)this.player.world).areChunksLoadedForMove(this.player.getBoundingBoxAt(this.player.locX(), this.player.locY(), this.player.locZ()).expand(toX - this.player.locX(), toY - this.player.locY(), toZ - this.player.locZ()))) { // Paper - use getIfLoadedImmediately // Tuinity - improve this check
                                 this.internalTeleport(this.player.locX(), this.player.locY(), this.player.locZ(), this.player.yaw, this.player.pitch, Collections.emptySet());
                                 return;
                             }