From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Gabriele C Date: Mon, 22 Oct 2018 17:34:10 +0200 Subject: [PATCH] Add option to prevent players from moving into unloaded chunks #1551 diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java index f280dbff4a09bc611a9ca565c6d697d08801f53b..fbf3ccfb347a5ba6e895339e9576629d940d1aa4 100644 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java @@ -396,4 +396,9 @@ public class PaperWorldConfig { waterOverLavaFlowSpeed = getInt("water-over-lava-flow-speed", 5); log("Water over lava flow speed: " + waterOverLavaFlowSpeed); } + + public boolean preventMovingIntoUnloadedChunks = false; + private void preventMovingIntoUnloadedChunks() { + preventMovingIntoUnloadedChunks = getBoolean("prevent-moving-into-unloaded-chunks", false); + } } diff --git a/src/main/java/net/minecraft/server/network/PlayerConnection.java b/src/main/java/net/minecraft/server/network/PlayerConnection.java index 9a5f510d3a43df40934efb56d24956dee2c62380..f48683ef9afe3e5d0e0e5959c698152e9086632b 100644 --- a/src/main/java/net/minecraft/server/network/PlayerConnection.java +++ b/src/main/java/net/minecraft/server/network/PlayerConnection.java @@ -543,6 +543,13 @@ 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) { + this.networkManager.sendPacket(new PacketPlayOutVehicleMove(entity)); + return; + } + // Paper end + if (d10 - d9 > Math.max(100.0D, Math.pow((double) (org.spigotmc.SpigotConfig.movedTooQuicklyMultiplier * (float) i * speed), 2)) && !this.isExemptPlayer()) { // CraftBukkit end PlayerConnection.LOGGER.warn("{} (vehicle of {}) moved too quickly! {},{},{}", entity.getDisplayName().getString(), this.player.getDisplayName().getString(), d6, d7, d8); @@ -1141,9 +1148,9 @@ public class PlayerConnection implements PacketListenerPlayIn { double d1 = this.player.locY(); double d2 = this.player.locZ(); double d3 = this.player.locY(); - double d4 = packetplayinflying.a(this.player.locX()); + double d4 = packetplayinflying.a(this.player.locX());double toX = d4; // Paper - OBFHELPER double d5 = packetplayinflying.b(this.player.locY()); - double d6 = packetplayinflying.c(this.player.locZ()); + double d6 = packetplayinflying.c(this.player.locZ());double toZ = d6; // Paper - OBFHELPER float f = packetplayinflying.a(this.player.yaw); float f1 = packetplayinflying.b(this.player.pitch); double d7 = d4 - this.l; @@ -1182,6 +1189,12 @@ public class PlayerConnection implements PacketListenerPlayIn { } else { 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.isChunkLoaded((int) Math.floor(toX) >> 4, (int) Math.floor(toZ) >> 4)) { + this.internalTeleport(this.player.locX(), this.player.locY(), this.player.locZ(), this.player.yaw, this.player.pitch, Collections.emptySet()); + return; + } + // Paper end if (!this.player.H() && (!this.player.getWorldServer().getGameRules().getBoolean(GameRules.DISABLE_ELYTRA_MOVEMENT_CHECK) || !this.player.isGliding())) { float f2 = this.player.isGliding() ? 300.0F : 100.0F;